diff options
Diffstat (limited to 'include/linux')
936 files changed, 7685 insertions, 9056 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 98440df7fe42..451e7b544342 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -1,21 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * acpi.h - ACPI Interface * * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #ifndef _LINUX_ACPI_H @@ -23,6 +10,7 @@ #include <linux/errno.h> #include <linux/ioport.h> /* for struct resource */ +#include <linux/irqdomain.h> #include <linux/resource_ext.h> #include <linux/device.h> #include <linux/property.h> @@ -327,6 +315,12 @@ int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); void acpi_set_irq_model(enum acpi_irq_model_id model, struct fwnode_handle *fwnode); +struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, + unsigned int size, + struct fwnode_handle *fwnode, + const struct irq_domain_ops *ops, + void *host_data); + #ifdef CONFIG_X86_IO_APIC extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); #else @@ -926,31 +920,21 @@ static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) #endif #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) -int acpi_dev_suspend_late(struct device *dev); int acpi_subsys_prepare(struct device *dev); void acpi_subsys_complete(struct device *dev); int acpi_subsys_suspend_late(struct device *dev); int acpi_subsys_suspend_noirq(struct device *dev); -int acpi_subsys_resume_noirq(struct device *dev); -int acpi_subsys_resume_early(struct device *dev); int acpi_subsys_suspend(struct device *dev); int acpi_subsys_freeze(struct device *dev); -int acpi_subsys_freeze_late(struct device *dev); -int acpi_subsys_freeze_noirq(struct device *dev); -int acpi_subsys_thaw_noirq(struct device *dev); +int acpi_subsys_poweroff(struct device *dev); #else -static inline int acpi_dev_resume_early(struct device *dev) { return 0; } static inline int acpi_subsys_prepare(struct device *dev) { return 0; } static inline void acpi_subsys_complete(struct device *dev) {} static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } -static inline int acpi_subsys_resume_noirq(struct device *dev) { return 0; } -static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } static inline int acpi_subsys_suspend(struct device *dev) { return 0; } static inline int acpi_subsys_freeze(struct device *dev) { return 0; } -static inline int acpi_subsys_freeze_late(struct device *dev) { return 0; } -static inline int acpi_subsys_freeze_noirq(struct device *dev) { return 0; } -static inline int acpi_subsys_thaw_noirq(struct device *dev) { return 0; } +static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } #endif #ifdef CONFIG_ACPI @@ -1316,6 +1300,7 @@ static inline int lpit_read_residency_count_address(u64 *address) #ifdef CONFIG_ACPI_PPTT int find_acpi_cpu_topology(unsigned int cpu, int level); int find_acpi_cpu_topology_package(unsigned int cpu); +int find_acpi_cpu_topology_hetero_id(unsigned int cpu); int find_acpi_cpu_cache_topology(unsigned int cpu, int level); #else static inline int find_acpi_cpu_topology(unsigned int cpu, int level) @@ -1326,6 +1311,10 @@ static inline int find_acpi_cpu_topology_package(unsigned int cpu) { return -EINVAL; } +static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) +{ + return -EINVAL; +} static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level) { return -EINVAL; diff --git a/include/linux/acpi_dma.h b/include/linux/acpi_dma.h index 329436d38e66..72cedb916a9c 100644 --- a/include/linux/acpi_dma.h +++ b/include/linux/acpi_dma.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * ACPI helpers for DMA request / controller * @@ -5,10 +6,6 @@ * * Copyright (C) 2013, Intel Corporation * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_ACPI_DMA_H diff --git a/include/linux/acpi_iort.h b/include/linux/acpi_iort.h index 723e4dfa1c14..8e7e2ec37f1b 100644 --- a/include/linux/acpi_iort.h +++ b/include/linux/acpi_iort.h @@ -1,19 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2016, Semihalf * Author: Tomasz Nowicki <tn@semihalf.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 Temple - * Place - Suite 330, Boston, MA 02111-1307 USA. */ #ifndef __ACPI_IORT_H__ diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h index f99b74a6e4ca..26f0ecf401ea 100644 --- a/include/linux/amba/bus.h +++ b/include/linux/amba/bus.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/include/amba/bus.h * @@ -6,10 +7,6 @@ * region or that is derived from a PrimeCell. * * Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef ASMARM_AMBA_H #define ASMARM_AMBA_H diff --git a/include/linux/amba/kmi.h b/include/linux/amba/kmi.h index a39e5be751b3..94dd727f1aea 100644 --- a/include/linux/amba/kmi.h +++ b/include/linux/amba/kmi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * linux/include/asm-arm/hardware/amba_kmi.h * @@ -5,21 +6,6 @@ * * Copyright (C) 2000 Deep Blue Solutions Ltd. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * * --------------------------------------------------------------------------- * From ARM PrimeCell(tm) PS2 Keyboard/Mouse Interface (PL050) Technical * Reference Manual - ARM DDI 0143B - see http://www.arm.com/ diff --git a/include/linux/amba/pl022.h b/include/linux/amba/pl022.h index 854b7294f6c6..131b27c97209 100644 --- a/include/linux/amba/pl022.h +++ b/include/linux/amba/pl022.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/linux/amba/pl022.h * @@ -10,16 +11,6 @@ * linux-2.6.17-rc3-mm1/drivers/spi/pxa2xx_spi.c * Initial adoption to PL022 by: * Sachin Verma <sachin.verma@st.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef _SSP_PL022_H diff --git a/include/linux/amba/pl080.h b/include/linux/amba/pl080.h index ab036b6b1804..e192d546639b 100644 --- a/include/linux/amba/pl080.h +++ b/include/linux/amba/pl080.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* include/linux/amba/pl080.h * * Copyright 2008 Openmoko, Inc. @@ -6,10 +7,6 @@ * Ben Dooks <ben@simtec.co.uk> * * ARM PrimeCell PL080 DMA controller - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ /* Note, there are some Samsung updates to this controller block which diff --git a/include/linux/amba/pl08x.h b/include/linux/amba/pl08x.h index 79d1bcee738d..3100e0debcdd 100644 --- a/include/linux/amba/pl08x.h +++ b/include/linux/amba/pl08x.h @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/amba/pl08x.h - ARM PrimeCell DMA Controller driver * * Copyright (C) 2005 ARM Ltd * Copyright (C) 2010 ST-Ericsson SA * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * pl08x information required by platform code * * Please credit ARM.com diff --git a/include/linux/amba/pl093.h b/include/linux/amba/pl093.h index 2983e3671adb..b17166e3b49a 100644 --- a/include/linux/amba/pl093.h +++ b/include/linux/amba/pl093.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* linux/amba/pl093.h * * Copyright (c) 2008 Simtec Electronics @@ -6,10 +7,6 @@ * * AMBA PL093 SSMC (synchronous static memory controller) * See DDI0236.pdf (r0p4) for more details - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #define SMB_BANK(x) ((x) * 0x20) /* each bank control set is 0x20 apart */ diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h index ad0965e21a5e..a1307b58cc2c 100644 --- a/include/linux/amba/serial.h +++ b/include/linux/amba/serial.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * linux/include/asm-arm/hardware/serial_amba.h * @@ -5,20 +6,6 @@ * * Copyright (C) ARM Limited * Copyright (C) 2000 Deep Blue Solutions Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef ASM_ARM_HARDWARE_SERIAL_AMBA_H #define ASM_ARM_HARDWARE_SERIAL_AMBA_H diff --git a/include/linux/amd-iommu.h b/include/linux/amd-iommu.h index 09751d349963..4a4d00646040 100644 --- a/include/linux/amd-iommu.h +++ b/include/linux/amd-iommu.h @@ -1,20 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2007-2010 Advanced Micro Devices, Inc. * Author: Joerg Roedel <joerg.roedel@amd.com> * Leo Duran <leo.duran@amd.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef _ASM_X86_AMD_IOMMU_H diff --git a/include/linux/apm-emulation.h b/include/linux/apm-emulation.h index e6d800358dd6..94c036957948 100644 --- a/include/linux/apm-emulation.h +++ b/include/linux/apm-emulation.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* -*- linux-c -*- * * (C) 2003 zecke@handhelds.org * - * GPL version 2 - * * based on arch/arm/kernel/apm.c * factor out the information needed by architectures to provide * apm status diff --git a/include/linux/apple-gmux.h b/include/linux/apple-gmux.h index 714186de8c36..ddb10aa67b14 100644 --- a/include/linux/apple-gmux.h +++ b/include/linux/apple-gmux.h @@ -1,18 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * apple-gmux.h - microcontroller built into dual GPU MacBook Pro & Mac Pro * Copyright (C) 2015 Lukas Wunner <lukas@wunner.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #ifndef LINUX_APPLE_GMUX_H diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h index d9bdc1a7f4e7..1cfe05ea1d89 100644 --- a/include/linux/arch_topology.h +++ b/include/linux/arch_topology.h @@ -18,7 +18,7 @@ DECLARE_PER_CPU(unsigned long, cpu_scale); struct sched_domain; static inline -unsigned long topology_get_cpu_scale(struct sched_domain *sd, int cpu) +unsigned long topology_get_cpu_scale(int cpu) { return per_cpu(cpu_scale, cpu); } diff --git a/include/linux/arm-cci.h b/include/linux/arm-cci.h index 521ec1f2e6bc..d0e44201d855 100644 --- a/include/linux/arm-cci.h +++ b/include/linux/arm-cci.h @@ -1,21 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * CCI cache coherent interconnect support * * Copyright (C) 2013 ARM Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __LINUX_ARM_CCI_H diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h index 18863d56273c..080012a6f025 100644 --- a/include/linux/arm-smccc.h +++ b/include/linux/arm-smccc.h @@ -1,15 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2015, Linaro Limited - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef __LINUX_ARM_SMCCC_H #define __LINUX_ARM_SMCCC_H diff --git a/include/linux/async.h b/include/linux/async.h index f81d6dbffe68..0a17cd27f348 100644 --- a/include/linux/async.h +++ b/include/linux/async.h @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * async.h: Asynchronous function calls for boot performance * * (C) Copyright 2009 Intel Corporation * Author: Arjan van de Ven <arjan@linux.intel.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; version 2 - * of the License. */ #ifndef __ASYNC_H__ #define __ASYNC_H__ diff --git a/include/linux/async_tx.h b/include/linux/async_tx.h index 28e3cf1465ab..75e582b8d2d9 100644 --- a/include/linux/async_tx.h +++ b/include/linux/async_tx.h @@ -1,19 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright © 2006, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * */ #ifndef _ASYNC_TX_H_ #define _ASYNC_TX_H_ diff --git a/include/linux/atmel_pdc.h b/include/linux/atmel_pdc.h index 63499ce806ea..00a766b5ee96 100644 --- a/include/linux/atmel_pdc.h +++ b/include/linux/atmel_pdc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/linux/atmel_pdc.h * @@ -6,11 +7,6 @@ * * Peripheral Data Controller (PDC) registers. * Based on AT91RM9200 datasheet revision E. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef ATMEL_PDC_H diff --git a/include/linux/attribute_container.h b/include/linux/attribute_container.h index 896c6892f327..d12bb2153cd6 100644 --- a/include/linux/attribute_container.h +++ b/include/linux/attribute_container.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * attribute_container.h - a generic container for all classes * * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com> - * - * This file is licensed under GPLv2 */ #ifndef _ATTRIBUTE_CONTAINER_H_ diff --git a/include/linux/audit.h b/include/linux/audit.h index 43a23e28ba23..97d0925454df 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -1,24 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* audit.h -- Auditing support * * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina. * All Rights Reserved. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * Written by Rickard E. (Rik) Faith <faith@redhat.com> - * */ #ifndef _LINUX_AUDIT_H_ #define _LINUX_AUDIT_H_ @@ -196,6 +182,9 @@ static inline unsigned int audit_get_sessionid(struct task_struct *tsk) } extern u32 audit_enabled; + +extern int audit_signal_info(int sig, struct task_struct *t); + #else /* CONFIG_AUDIT */ static inline __printf(4, 5) void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, @@ -249,6 +238,12 @@ static inline unsigned int audit_get_sessionid(struct task_struct *tsk) } #define audit_enabled AUDIT_OFF + +static inline int audit_signal_info(int sig, struct task_struct *t) +{ + return 0; +} + #endif /* CONFIG_AUDIT */ #ifdef CONFIG_AUDIT_COMPAT_GENERIC diff --git a/include/linux/avf/virtchnl.h b/include/linux/avf/virtchnl.h index 7605b5919c3a..ca956b672ac0 100644 --- a/include/linux/avf/virtchnl.h +++ b/include/linux/avf/virtchnl.h @@ -1,23 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver * Copyright(c) 2013 - 2014 Intel Corporation. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along - * with this program. If not, see <http://www.gnu.org/licenses/>. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * * Contact Information: * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 @@ -75,12 +61,14 @@ enum virtchnl_status_code { #define VIRTCHNL_ERR_PARAM VIRTCHNL_STATUS_ERR_PARAM #define VIRTCHNL_STATUS_NOT_SUPPORTED VIRTCHNL_STATUS_ERR_NOT_SUPPORTED +#define VIRTCHNL_LINK_SPEED_2_5GB_SHIFT 0x0 #define VIRTCHNL_LINK_SPEED_100MB_SHIFT 0x1 #define VIRTCHNL_LINK_SPEED_1000MB_SHIFT 0x2 #define VIRTCHNL_LINK_SPEED_10GB_SHIFT 0x3 #define VIRTCHNL_LINK_SPEED_40GB_SHIFT 0x4 #define VIRTCHNL_LINK_SPEED_20GB_SHIFT 0x5 #define VIRTCHNL_LINK_SPEED_25GB_SHIFT 0x6 +#define VIRTCHNL_LINK_SPEED_5GB_SHIFT 0x7 enum virtchnl_link_speed { VIRTCHNL_LINK_SPEED_UNKNOWN = 0, @@ -90,6 +78,8 @@ enum virtchnl_link_speed { VIRTCHNL_LINK_SPEED_40GB = BIT(VIRTCHNL_LINK_SPEED_40GB_SHIFT), VIRTCHNL_LINK_SPEED_20GB = BIT(VIRTCHNL_LINK_SPEED_20GB_SHIFT), VIRTCHNL_LINK_SPEED_25GB = BIT(VIRTCHNL_LINK_SPEED_25GB_SHIFT), + VIRTCHNL_LINK_SPEED_2_5GB = BIT(VIRTCHNL_LINK_SPEED_2_5GB_SHIFT), + VIRTCHNL_LINK_SPEED_5GB = BIT(VIRTCHNL_LINK_SPEED_5GB_SHIFT), }; /* for hsplit_0 field of Rx HMC context */ diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h index 07e02d6df5ad..6a1a8a314d85 100644 --- a/include/linux/backing-dev-defs.h +++ b/include/linux/backing-dev-defs.h @@ -203,7 +203,6 @@ struct backing_dev_info { #ifdef CONFIG_DEBUG_FS struct dentry *debug_dir; - struct dentry *debug_stats; #endif }; diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h index f31521dcb09a..338aa27e4773 100644 --- a/include/linux/balloon_compaction.h +++ b/include/linux/balloon_compaction.h @@ -64,6 +64,10 @@ extern struct page *balloon_page_alloc(void); extern void balloon_page_enqueue(struct balloon_dev_info *b_dev_info, struct page *page); extern struct page *balloon_page_dequeue(struct balloon_dev_info *b_dev_info); +extern size_t balloon_page_list_enqueue(struct balloon_dev_info *b_dev_info, + struct list_head *pages); +extern size_t balloon_page_list_dequeue(struct balloon_dev_info *b_dev_info, + struct list_head *pages, size_t n_req_pages); static inline void balloon_devinfo_init(struct balloon_dev_info *balloon) { diff --git a/include/linux/bch.h b/include/linux/bch.h index 295b4ef153bb..aa765af85c38 100644 --- a/include/linux/bch.h +++ b/include/linux/bch.h @@ -1,19 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Generic binary BCH encoding/decoding library * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 51 - * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * * Copyright © 2011 Parrot S.A. * * Author: Ivan Djelic <ivan.djelic@parrot.com> diff --git a/include/linux/bcm47xx_nvram.h b/include/linux/bcm47xx_nvram.h index a414a2b53e41..53b31f69b74a 100644 --- a/include/linux/bcm47xx_nvram.h +++ b/include/linux/bcm47xx_nvram.h @@ -1,8 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #ifndef __BCM47XX_NVRAM_H diff --git a/include/linux/bcm47xx_sprom.h b/include/linux/bcm47xx_sprom.h index c06b47c84e1a..b0f4424f34fc 100644 --- a/include/linux/bcm47xx_sprom.h +++ b/include/linux/bcm47xx_sprom.h @@ -1,8 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #ifndef __BCM47XX_SPROM_H diff --git a/include/linux/bio.h b/include/linux/bio.h index 0f23b5682640..3cdb84cdc488 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -102,9 +102,23 @@ static inline void *bio_data(struct bio *bio) return NULL; } -static inline bool bio_full(struct bio *bio) +/** + * bio_full - check if the bio is full + * @bio: bio to check + * @len: length of one segment to be added + * + * Return true if @bio is full and one segment with @len bytes can't be + * added to the bio, otherwise return false + */ +static inline bool bio_full(struct bio *bio, unsigned len) { - return bio->bi_vcnt >= bio->bi_max_vecs; + if (bio->bi_vcnt >= bio->bi_max_vecs) + return true; + + if (bio->bi_iter.bi_size > UINT_MAX - len) + return true; + + return false; } static inline bool bio_next_segment(const struct bio *bio, @@ -408,7 +422,6 @@ static inline void bio_wouldblock_error(struct bio *bio) } struct request_queue; -extern int bio_phys_segments(struct request_queue *, struct bio *); extern int submit_bio_wait(struct bio *bio); extern void bio_advance(struct bio *, unsigned); @@ -423,10 +436,11 @@ extern int bio_add_page(struct bio *, struct page *, unsigned int,unsigned int); extern int bio_add_pc_page(struct request_queue *, struct bio *, struct page *, unsigned int, unsigned int); bool __bio_try_merge_page(struct bio *bio, struct page *page, - unsigned int len, unsigned int off, bool same_page); + unsigned int len, unsigned int off, bool *same_page); void __bio_add_page(struct bio *bio, struct page *page, unsigned int len, unsigned int off); int bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter); +void bio_release_pages(struct bio *bio, bool mark_dirty); struct rq_map_data; extern struct bio *bio_map_user_iov(struct request_queue *, struct iov_iter *, gfp_t); @@ -444,17 +458,6 @@ void generic_end_io_acct(struct request_queue *q, int op, struct hd_struct *part, unsigned long start_time); -#ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE -# error "You should define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE for your platform" -#endif -#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE -extern void bio_flush_dcache_pages(struct bio *bi); -#else -static inline void bio_flush_dcache_pages(struct bio *bi) -{ -} -#endif - extern void bio_copy_data_iter(struct bio *dst, struct bvec_iter *dst_iter, struct bio *src, struct bvec_iter *src_iter); extern void bio_copy_data(struct bio *dst, struct bio *src); diff --git a/include/linux/bitfield.h b/include/linux/bitfield.h index 3f1ef4450a7c..4bbb5f1c8b5b 100644 --- a/include/linux/bitfield.h +++ b/include/linux/bitfield.h @@ -1,15 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2014 Felix Fietkau <nbd@nbd.name> * Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef _LINUX_BITFIELD_H diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h index 76c61318fda5..33f23a858438 100644 --- a/include/linux/blk-cgroup.h +++ b/include/linux/blk-cgroup.h @@ -63,19 +63,17 @@ struct blkcg { /* * blkg_[rw]stat->aux_cnt is excluded for local stats but included for - * recursive. Used to carry stats of dead children, and, for blkg_rwstat, - * to carry result values from read and sum operations. + * recursive. Used to carry stats of dead children. */ -struct blkg_stat { - struct percpu_counter cpu_cnt; - atomic64_t aux_cnt; -}; - struct blkg_rwstat { struct percpu_counter cpu_cnt[BLKG_RWSTAT_NR]; atomic64_t aux_cnt[BLKG_RWSTAT_NR]; }; +struct blkg_rwstat_sample { + u64 cnt[BLKG_RWSTAT_NR]; +}; + /* * A blkcg_gq (blkg) is association between a block cgroup (blkcg) and a * request_queue (q). This is used by blkcg policies which need to track @@ -198,6 +196,13 @@ int blkcg_activate_policy(struct request_queue *q, void blkcg_deactivate_policy(struct request_queue *q, const struct blkcg_policy *pol); +static inline u64 blkg_rwstat_read_counter(struct blkg_rwstat *rwstat, + unsigned int idx) +{ + return atomic64_read(&rwstat->aux_cnt[idx]) + + percpu_counter_sum_positive(&rwstat->cpu_cnt[idx]); +} + const char *blkg_dev_name(struct blkcg_gq *blkg); void blkcg_print_blkgs(struct seq_file *sf, struct blkcg *blkcg, u64 (*prfill)(struct seq_file *, @@ -206,8 +211,7 @@ void blkcg_print_blkgs(struct seq_file *sf, struct blkcg *blkcg, bool show_total); u64 __blkg_prfill_u64(struct seq_file *sf, struct blkg_policy_data *pd, u64 v); u64 __blkg_prfill_rwstat(struct seq_file *sf, struct blkg_policy_data *pd, - const struct blkg_rwstat *rwstat); -u64 blkg_prfill_stat(struct seq_file *sf, struct blkg_policy_data *pd, int off); + const struct blkg_rwstat_sample *rwstat); u64 blkg_prfill_rwstat(struct seq_file *sf, struct blkg_policy_data *pd, int off); int blkg_print_stat_bytes(struct seq_file *sf, void *v); @@ -215,10 +219,8 @@ int blkg_print_stat_ios(struct seq_file *sf, void *v); int blkg_print_stat_bytes_recursive(struct seq_file *sf, void *v); int blkg_print_stat_ios_recursive(struct seq_file *sf, void *v); -u64 blkg_stat_recursive_sum(struct blkcg_gq *blkg, - struct blkcg_policy *pol, int off); -struct blkg_rwstat blkg_rwstat_recursive_sum(struct blkcg_gq *blkg, - struct blkcg_policy *pol, int off); +void blkg_rwstat_recursive_sum(struct blkcg_gq *blkg, struct blkcg_policy *pol, + int off, struct blkg_rwstat_sample *sum); struct blkg_conf_ctx { struct gendisk *disk; @@ -569,69 +571,6 @@ static inline void blkg_put(struct blkcg_gq *blkg) if (((d_blkg) = __blkg_lookup(css_to_blkcg(pos_css), \ (p_blkg)->q, false))) -static inline int blkg_stat_init(struct blkg_stat *stat, gfp_t gfp) -{ - int ret; - - ret = percpu_counter_init(&stat->cpu_cnt, 0, gfp); - if (ret) - return ret; - - atomic64_set(&stat->aux_cnt, 0); - return 0; -} - -static inline void blkg_stat_exit(struct blkg_stat *stat) -{ - percpu_counter_destroy(&stat->cpu_cnt); -} - -/** - * blkg_stat_add - add a value to a blkg_stat - * @stat: target blkg_stat - * @val: value to add - * - * Add @val to @stat. The caller must ensure that IRQ on the same CPU - * don't re-enter this function for the same counter. - */ -static inline void blkg_stat_add(struct blkg_stat *stat, uint64_t val) -{ - percpu_counter_add_batch(&stat->cpu_cnt, val, BLKG_STAT_CPU_BATCH); -} - -/** - * blkg_stat_read - read the current value of a blkg_stat - * @stat: blkg_stat to read - */ -static inline uint64_t blkg_stat_read(struct blkg_stat *stat) -{ - return percpu_counter_sum_positive(&stat->cpu_cnt); -} - -/** - * blkg_stat_reset - reset a blkg_stat - * @stat: blkg_stat to reset - */ -static inline void blkg_stat_reset(struct blkg_stat *stat) -{ - percpu_counter_set(&stat->cpu_cnt, 0); - atomic64_set(&stat->aux_cnt, 0); -} - -/** - * blkg_stat_add_aux - add a blkg_stat into another's aux count - * @to: the destination blkg_stat - * @from: the source - * - * Add @from's count including the aux one to @to's aux count. - */ -static inline void blkg_stat_add_aux(struct blkg_stat *to, - struct blkg_stat *from) -{ - atomic64_add(blkg_stat_read(from) + atomic64_read(&from->aux_cnt), - &to->aux_cnt); -} - static inline int blkg_rwstat_init(struct blkg_rwstat *rwstat, gfp_t gfp) { int i, ret; @@ -693,15 +632,14 @@ static inline void blkg_rwstat_add(struct blkg_rwstat *rwstat, * * Read the current snapshot of @rwstat and return it in the aux counts. */ -static inline struct blkg_rwstat blkg_rwstat_read(struct blkg_rwstat *rwstat) +static inline void blkg_rwstat_read(struct blkg_rwstat *rwstat, + struct blkg_rwstat_sample *result) { - struct blkg_rwstat result; int i; for (i = 0; i < BLKG_RWSTAT_NR; i++) - atomic64_set(&result.aux_cnt[i], - percpu_counter_sum_positive(&rwstat->cpu_cnt[i])); - return result; + result->cnt[i] = + percpu_counter_sum_positive(&rwstat->cpu_cnt[i]); } /** @@ -714,10 +652,10 @@ static inline struct blkg_rwstat blkg_rwstat_read(struct blkg_rwstat *rwstat) */ static inline uint64_t blkg_rwstat_total(struct blkg_rwstat *rwstat) { - struct blkg_rwstat tmp = blkg_rwstat_read(rwstat); + struct blkg_rwstat_sample tmp = { }; - return atomic64_read(&tmp.aux_cnt[BLKG_RWSTAT_READ]) + - atomic64_read(&tmp.aux_cnt[BLKG_RWSTAT_WRITE]); + blkg_rwstat_read(rwstat, &tmp); + return tmp.cnt[BLKG_RWSTAT_READ] + tmp.cnt[BLKG_RWSTAT_WRITE]; } /** diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 15d1aa53d96c..3fa1fa59f9b2 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -306,7 +306,7 @@ void blk_mq_delay_kick_requeue_list(struct request_queue *q, unsigned long msecs bool blk_mq_complete_request(struct request *rq); void blk_mq_complete_request_sync(struct request *rq); bool blk_mq_bio_list_merge(struct request_queue *q, struct list_head *list, - struct bio *bio); + struct bio *bio, unsigned int nr_segs); bool blk_mq_queue_stopped(struct request_queue *q); void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx); void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx); diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 95202f80676c..6a53799c3fe2 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -154,11 +154,6 @@ struct bio { blk_status_t bi_status; u8 bi_partno; - /* Number of segments in this BIO after - * physical address coalescing is performed. - */ - unsigned int bi_phys_segments; - struct bvec_iter bi_iter; atomic_t __bi_remaining; @@ -210,7 +205,6 @@ struct bio { */ enum { BIO_NO_PAGE_REF, /* don't put release vec pages */ - BIO_SEG_VALID, /* bi_phys_segments valid */ BIO_CLONED, /* doesn't own data */ BIO_BOUNCED, /* bio is a bounce bio */ BIO_USER_MAPPED, /* contains user pages */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 592669bcc536..0c482371c8b3 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -137,11 +137,11 @@ struct request { unsigned int cmd_flags; /* op and common flags */ req_flags_t rq_flags; + int tag; int internal_tag; /* the following two fields are internal, NEVER access directly */ unsigned int __data_len; /* total data len */ - int tag; sector_t __sector; /* sector cursor */ struct bio *bio; @@ -828,7 +828,6 @@ extern void blk_unregister_queue(struct gendisk *disk); extern blk_qc_t generic_make_request(struct bio *bio); extern blk_qc_t direct_make_request(struct bio *bio); extern void blk_rq_init(struct request_queue *q, struct request *rq); -extern void blk_init_request_from_bio(struct request *req, struct bio *bio); extern void blk_put_request(struct request *); extern struct request *blk_get_request(struct request_queue *, unsigned int op, blk_mq_req_flags_t flags); @@ -842,7 +841,6 @@ extern blk_status_t blk_insert_cloned_request(struct request_queue *q, struct request *rq); extern int blk_rq_append_bio(struct request *rq, struct bio **bio); extern void blk_queue_split(struct request_queue *, struct bio **); -extern void blk_recount_segments(struct request_queue *, struct bio *); extern int scsi_verify_blk_ioctl(struct block_device *, unsigned int); extern int scsi_cmd_blk_ioctl(struct block_device *, fmode_t, unsigned int, void __user *); @@ -867,6 +865,9 @@ extern void blk_execute_rq(struct request_queue *, struct gendisk *, extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *, struct request *, int, rq_end_io_fn *); +/* Helper to convert REQ_OP_XXX to its string format XXX */ +extern const char *blk_op_str(unsigned int op); + int blk_status_to_errno(blk_status_t status); blk_status_t errno_to_blk_status(int errno); @@ -1026,21 +1027,9 @@ void blk_steal_bios(struct bio_list *list, struct request *rq); * * blk_update_request() completes given number of bytes and updates * the request without completing it. - * - * blk_end_request() and friends. __blk_end_request() must be called - * with the request queue spinlock acquired. - * - * Several drivers define their own end_request and call - * blk_end_request() for parts of the original function. - * This prevents code duplication in drivers. */ extern bool blk_update_request(struct request *rq, blk_status_t error, unsigned int nr_bytes); -extern void blk_end_request_all(struct request *rq, blk_status_t error); -extern bool __blk_end_request(struct request *rq, blk_status_t error, - unsigned int nr_bytes); -extern void __blk_end_request_all(struct request *rq, blk_status_t error); -extern bool __blk_end_request_cur(struct request *rq, blk_status_t error); extern void __blk_complete_request(struct request *); extern void blk_abort_request(struct request *); diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h index cb3c6b3b89c8..169fd25f6bc2 100644 --- a/include/linux/bpf-cgroup.h +++ b/include/linux/bpf-cgroup.h @@ -6,6 +6,7 @@ #include <linux/errno.h> #include <linux/jump_label.h> #include <linux/percpu.h> +#include <linux/percpu-refcount.h> #include <linux/rbtree.h> #include <uapi/linux/bpf.h> @@ -71,11 +72,17 @@ struct cgroup_bpf { u32 flags[MAX_BPF_ATTACH_TYPE]; /* temp storage for effective prog array used by prog_attach/detach */ - struct bpf_prog_array __rcu *inactive; + struct bpf_prog_array *inactive; + + /* reference counter used to detach bpf programs after cgroup removal */ + struct percpu_ref refcnt; + + /* cgroup_bpf is released using a work queue */ + struct work_struct release_work; }; -void cgroup_bpf_put(struct cgroup *cgrp); int cgroup_bpf_inherit(struct cgroup *cgrp); +void cgroup_bpf_offline(struct cgroup *cgrp); int __cgroup_bpf_attach(struct cgroup *cgrp, struct bpf_prog *prog, enum bpf_attach_type type, u32 flags); @@ -117,6 +124,14 @@ int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head, loff_t *ppos, void **new_buf, enum bpf_attach_type type); +int __cgroup_bpf_run_filter_setsockopt(struct sock *sock, int *level, + int *optname, char __user *optval, + int *optlen, char **kernel_optval); +int __cgroup_bpf_run_filter_getsockopt(struct sock *sk, int level, + int optname, char __user *optval, + int __user *optlen, int max_optlen, + int retval); + static inline enum bpf_cgroup_storage_type cgroup_storage_type( struct bpf_map *map) { @@ -238,6 +253,12 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, t_ctx) \ BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP6_SENDMSG, t_ctx) +#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr) \ + BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP4_RECVMSG, NULL) + +#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr) \ + BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP6_RECVMSG, NULL) + #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) \ ({ \ int __ret = 0; \ @@ -273,6 +294,38 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, __ret; \ }) +#define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ + kernel_optval) \ +({ \ + int __ret = 0; \ + if (cgroup_bpf_enabled) \ + __ret = __cgroup_bpf_run_filter_setsockopt(sock, level, \ + optname, optval, \ + optlen, \ + kernel_optval); \ + __ret; \ +}) + +#define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) \ +({ \ + int __ret = 0; \ + if (cgroup_bpf_enabled) \ + get_user(__ret, optlen); \ + __ret; \ +}) + +#define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, optlen, \ + max_optlen, retval) \ +({ \ + int __ret = retval; \ + if (cgroup_bpf_enabled) \ + __ret = __cgroup_bpf_run_filter_getsockopt(sock, level, \ + optname, optval, \ + optlen, max_optlen, \ + retval); \ + __ret; \ +}) + int cgroup_bpf_prog_attach(const union bpf_attr *attr, enum bpf_prog_type ptype, struct bpf_prog *prog); int cgroup_bpf_prog_detach(const union bpf_attr *attr, @@ -283,8 +336,8 @@ int cgroup_bpf_prog_query(const union bpf_attr *attr, struct bpf_prog; struct cgroup_bpf {}; -static inline void cgroup_bpf_put(struct cgroup *cgrp) {} static inline int cgroup_bpf_inherit(struct cgroup *cgrp) { return 0; } +static inline void cgroup_bpf_offline(struct cgroup *cgrp) {} static inline int cgroup_bpf_prog_attach(const union bpf_attr *attr, enum bpf_prog_type ptype, @@ -339,9 +392,16 @@ static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map, #define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr) ({ 0; }) #define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, t_ctx) ({ 0; }) #define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, t_ctx) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr) ({ 0; }) #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; }) #define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(type,major,minor,access) ({ 0; }) #define BPF_CGROUP_RUN_PROG_SYSCTL(head,table,write,buf,count,pos,nbuf) ({ 0; }) +#define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \ + optlen, max_optlen, retval) ({ retval; }) +#define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ + kernel_optval) ({ 0; }) #define for_each_cgroup_storage_type(stype) for (; false; ) diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 4fb3aa2dc975..18f4cc2c6acd 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -1,8 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #ifndef _LINUX_BPF_H #define _LINUX_BPF_H 1 @@ -66,6 +63,11 @@ struct bpf_map_ops { u64 imm, u32 *off); }; +struct bpf_map_memory { + u32 pages; + struct user_struct *user; +}; + struct bpf_map { /* The first two cachelines with read-mostly members of which some * are also accessed in fast-path (e.g. ops, max_entries). @@ -86,7 +88,7 @@ struct bpf_map { u32 btf_key_type_id; u32 btf_value_type_id; struct btf *btf; - u32 pages; + struct bpf_map_memory memory; bool unpriv_array; bool frozen; /* write-once */ /* 48 bytes hole */ @@ -94,8 +96,7 @@ struct bpf_map { /* The 3rd and 4th cacheline with misc members to avoid false sharing * particularly with refcounting. */ - struct user_struct *user ____cacheline_aligned; - atomic_t refcnt; + atomic_t refcnt ____cacheline_aligned; atomic_t usercnt; struct work_struct work; char name[BPF_OBJ_NAME_LEN]; @@ -276,6 +277,7 @@ enum bpf_reg_type { PTR_TO_TCP_SOCK, /* reg points to struct tcp_sock */ PTR_TO_TCP_SOCK_OR_NULL, /* reg points to struct tcp_sock or NULL */ PTR_TO_TP_BUFFER, /* reg points to a writable raw tp's buffer */ + PTR_TO_XDP_SOCK, /* reg points to struct xdp_sock */ }; /* The information passed from prog-specific *_is_valid_access @@ -370,6 +372,7 @@ struct bpf_prog_aux { u32 id; u32 func_cnt; /* used by non-func prog as the number of func progs */ u32 func_idx; /* 0 for non-func prog, the index in func array for func prog */ + bool verifier_zext; /* Zero extensions has been inserted by verifier. */ bool offload_requested; struct bpf_prog **func; void *jit_data; /* JIT specific data. arch dependent */ @@ -513,17 +516,18 @@ struct bpf_prog_array { }; struct bpf_prog_array *bpf_prog_array_alloc(u32 prog_cnt, gfp_t flags); -void bpf_prog_array_free(struct bpf_prog_array __rcu *progs); -int bpf_prog_array_length(struct bpf_prog_array __rcu *progs); -int bpf_prog_array_copy_to_user(struct bpf_prog_array __rcu *progs, +void bpf_prog_array_free(struct bpf_prog_array *progs); +int bpf_prog_array_length(struct bpf_prog_array *progs); +bool bpf_prog_array_is_empty(struct bpf_prog_array *array); +int bpf_prog_array_copy_to_user(struct bpf_prog_array *progs, __u32 __user *prog_ids, u32 cnt); -void bpf_prog_array_delete_safe(struct bpf_prog_array __rcu *progs, +void bpf_prog_array_delete_safe(struct bpf_prog_array *progs, struct bpf_prog *old_prog); -int bpf_prog_array_copy_info(struct bpf_prog_array __rcu *array, +int bpf_prog_array_copy_info(struct bpf_prog_array *array, u32 *prog_ids, u32 request_cnt, u32 *prog_cnt); -int bpf_prog_array_copy(struct bpf_prog_array __rcu *old_array, +int bpf_prog_array_copy(struct bpf_prog_array *old_array, struct bpf_prog *exclude_prog, struct bpf_prog *include_prog, struct bpf_prog_array **new_array); @@ -551,6 +555,56 @@ _out: \ _ret; \ }) +/* To be used by __cgroup_bpf_run_filter_skb for EGRESS BPF progs + * so BPF programs can request cwr for TCP packets. + * + * Current cgroup skb programs can only return 0 or 1 (0 to drop the + * packet. This macro changes the behavior so the low order bit + * indicates whether the packet should be dropped (0) or not (1) + * and the next bit is a congestion notification bit. This could be + * used by TCP to call tcp_enter_cwr() + * + * Hence, new allowed return values of CGROUP EGRESS BPF programs are: + * 0: drop packet + * 1: keep packet + * 2: drop packet and cn + * 3: keep packet and cn + * + * This macro then converts it to one of the NET_XMIT or an error + * code that is then interpreted as drop packet (and no cn): + * 0: NET_XMIT_SUCCESS skb should be transmitted + * 1: NET_XMIT_DROP skb should be dropped and cn + * 2: NET_XMIT_CN skb should be transmitted and cn + * 3: -EPERM skb should be dropped + */ +#define BPF_PROG_CGROUP_INET_EGRESS_RUN_ARRAY(array, ctx, func) \ + ({ \ + struct bpf_prog_array_item *_item; \ + struct bpf_prog *_prog; \ + struct bpf_prog_array *_array; \ + u32 ret; \ + u32 _ret = 1; \ + u32 _cn = 0; \ + preempt_disable(); \ + rcu_read_lock(); \ + _array = rcu_dereference(array); \ + _item = &_array->items[0]; \ + while ((_prog = READ_ONCE(_item->prog))) { \ + bpf_cgroup_storage_set(_item->cgroup_storage); \ + ret = func(_prog, ctx); \ + _ret &= (ret & 1); \ + _cn |= (ret & 2); \ + _item++; \ + } \ + rcu_read_unlock(); \ + preempt_enable(); \ + if (_ret) \ + _ret = (_cn ? NET_XMIT_CN : NET_XMIT_SUCCESS); \ + else \ + _ret = (_cn ? NET_XMIT_DROP : -EPERM); \ + _ret; \ + }) + #define BPF_PROG_RUN_ARRAY(array, ctx, func) \ __BPF_PROG_RUN_ARRAY(array, ctx, func, false) @@ -595,15 +649,17 @@ struct bpf_map *__bpf_map_get(struct fd f); struct bpf_map * __must_check bpf_map_inc(struct bpf_map *map, bool uref); void bpf_map_put_with_uref(struct bpf_map *map); void bpf_map_put(struct bpf_map *map); -int bpf_map_precharge_memlock(u32 pages); int bpf_map_charge_memlock(struct bpf_map *map, u32 pages); void bpf_map_uncharge_memlock(struct bpf_map *map, u32 pages); +int bpf_map_charge_init(struct bpf_map_memory *mem, size_t size); +void bpf_map_charge_finish(struct bpf_map_memory *mem); +void bpf_map_charge_move(struct bpf_map_memory *dst, + struct bpf_map_memory *src); void *bpf_map_area_alloc(size_t size, int numa_node); void bpf_map_area_free(void *base); void bpf_map_init_from_attr(struct bpf_map *map, union bpf_attr *attr); extern int sysctl_unprivileged_bpf_disabled; -extern int sysctl_bpf_stats_enabled; int bpf_map_new_fd(struct bpf_map *map, int flags); int bpf_prog_new_fd(struct bpf_prog *prog); @@ -996,6 +1052,7 @@ extern const struct bpf_func_proto bpf_spin_unlock_proto; extern const struct bpf_func_proto bpf_get_local_storage_proto; extern const struct bpf_func_proto bpf_strtol_proto; extern const struct bpf_func_proto bpf_strtoul_proto; +extern const struct bpf_func_proto bpf_tcp_sock_proto; /* Shared helpers among cBPF and eBPF. */ void bpf_user_rnd_init_once(void); @@ -1044,6 +1101,15 @@ u32 bpf_tcp_sock_convert_ctx_access(enum bpf_access_type type, struct bpf_insn *insn_buf, struct bpf_prog *prog, u32 *target_size); + +bool bpf_xdp_sock_is_valid_access(int off, int size, enum bpf_access_type type, + struct bpf_insn_access_aux *info); + +u32 bpf_xdp_sock_convert_ctx_access(enum bpf_access_type type, + const struct bpf_insn *si, + struct bpf_insn *insn_buf, + struct bpf_prog *prog, + u32 *target_size); #else static inline bool bpf_tcp_sock_is_valid_access(int off, int size, enum bpf_access_type type, @@ -1060,6 +1126,21 @@ static inline u32 bpf_tcp_sock_convert_ctx_access(enum bpf_access_type type, { return 0; } +static inline bool bpf_xdp_sock_is_valid_access(int off, int size, + enum bpf_access_type type, + struct bpf_insn_access_aux *info) +{ + return false; +} + +static inline u32 bpf_xdp_sock_convert_ctx_access(enum bpf_access_type type, + const struct bpf_insn *si, + struct bpf_insn *insn_buf, + struct bpf_prog *prog, + u32 *target_size) +{ + return 0; +} #endif /* CONFIG_INET */ #endif /* _LINUX_BPF_H */ diff --git a/include/linux/bpf_types.h b/include/linux/bpf_types.h index 5a9975678d6f..eec5aeeeaf92 100644 --- a/include/linux/bpf_types.h +++ b/include/linux/bpf_types.h @@ -30,6 +30,7 @@ BPF_PROG_TYPE(BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, raw_tracepoint_writable) #ifdef CONFIG_CGROUP_BPF BPF_PROG_TYPE(BPF_PROG_TYPE_CGROUP_DEVICE, cg_dev) BPF_PROG_TYPE(BPF_PROG_TYPE_CGROUP_SYSCTL, cg_sysctl) +BPF_PROG_TYPE(BPF_PROG_TYPE_CGROUP_SOCKOPT, cg_sockopt) #endif #ifdef CONFIG_BPF_LIRC_MODE2 BPF_PROG_TYPE(BPF_PROG_TYPE_LIRC_MODE2, lirc_mode2) diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 1305ccbd8fe6..5fe99f322b1c 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -1,8 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #ifndef _LINUX_BPF_VERIFIER_H #define _LINUX_BPF_VERIFIER_H 1 @@ -36,9 +33,11 @@ */ enum bpf_reg_liveness { REG_LIVE_NONE = 0, /* reg hasn't been read or written this branch */ - REG_LIVE_READ, /* reg was read, so we're sensitive to initial value */ - REG_LIVE_WRITTEN, /* reg was written first, screening off later reads */ - REG_LIVE_DONE = 4, /* liveness won't be updating this register anymore */ + REG_LIVE_READ32 = 0x1, /* reg was read, so we're sensitive to initial value */ + REG_LIVE_READ64 = 0x2, /* likewise, but full 64-bit content matters */ + REG_LIVE_READ = REG_LIVE_READ32 | REG_LIVE_READ64, + REG_LIVE_WRITTEN = 0x4, /* reg was written first, screening off later reads */ + REG_LIVE_DONE = 0x8, /* liveness won't be updating this register anymore */ }; struct bpf_reg_state { @@ -131,7 +130,14 @@ struct bpf_reg_state { * pointing to bpf_func_state. */ u32 frameno; + /* Tracks subreg definition. The stored value is the insn_idx of the + * writing insn. This is safe because subreg_def is used before any insn + * patching which only happens after main verification finished. + */ + s32 subreg_def; enum bpf_reg_liveness live; + /* if (!precise && SCALAR_VALUE) min/max/tnum don't affect safety */ + bool precise; }; enum bpf_stack_slot_type { @@ -183,13 +189,77 @@ struct bpf_func_state { struct bpf_stack_state *stack; }; +struct bpf_idx_pair { + u32 prev_idx; + u32 idx; +}; + #define MAX_CALL_FRAMES 8 struct bpf_verifier_state { /* call stack tracking */ struct bpf_func_state *frame[MAX_CALL_FRAMES]; + struct bpf_verifier_state *parent; + /* + * 'branches' field is the number of branches left to explore: + * 0 - all possible paths from this state reached bpf_exit or + * were safely pruned + * 1 - at least one path is being explored. + * This state hasn't reached bpf_exit + * 2 - at least two paths are being explored. + * This state is an immediate parent of two children. + * One is fallthrough branch with branches==1 and another + * state is pushed into stack (to be explored later) also with + * branches==1. The parent of this state has branches==1. + * The verifier state tree connected via 'parent' pointer looks like: + * 1 + * 1 + * 2 -> 1 (first 'if' pushed into stack) + * 1 + * 2 -> 1 (second 'if' pushed into stack) + * 1 + * 1 + * 1 bpf_exit. + * + * Once do_check() reaches bpf_exit, it calls update_branch_counts() + * and the verifier state tree will look: + * 1 + * 1 + * 2 -> 1 (first 'if' pushed into stack) + * 1 + * 1 -> 1 (second 'if' pushed into stack) + * 0 + * 0 + * 0 bpf_exit. + * After pop_stack() the do_check() will resume at second 'if'. + * + * If is_state_visited() sees a state with branches > 0 it means + * there is a loop. If such state is exactly equal to the current state + * it's an infinite loop. Note states_equal() checks for states + * equvalency, so two states being 'states_equal' does not mean + * infinite loop. The exact comparison is provided by + * states_maybe_looping() function. It's a stronger pre-check and + * much faster than states_equal(). + * + * This algorithm may not find all possible infinite loops or + * loop iteration count may be too high. + * In such cases BPF_COMPLEXITY_LIMIT_INSNS limit kicks in. + */ + u32 branches; + u32 insn_idx; u32 curframe; u32 active_spin_lock; bool speculative; + + /* first and last insn idx of this verifier state */ + u32 first_insn_idx; + u32 last_insn_idx; + /* jmp history recorded from first to last. + * backtracking is using it to go from last to first. + * For most states jmp_history_cnt is [0-3]. + * For loops can go up to ~40. + */ + struct bpf_idx_pair *jmp_history; + u32 jmp_history_cnt; }; #define bpf_get_spilled_reg(slot, frame) \ @@ -232,7 +302,9 @@ struct bpf_insn_aux_data { int ctx_field_size; /* the ctx field size for load insn, maybe 0 */ int sanitize_stack_off; /* stack slot to be cleared */ bool seen; /* this insn was processed by the verifier */ + bool zext_dst; /* this insn zero extends dst reg */ u8 alu_state; /* used in combination with alu_limit */ + bool prune_point; unsigned int orig_idx; /* original instruction index */ }; @@ -302,7 +374,9 @@ struct bpf_verifier_env { } cfg; u32 subprog_cnt; /* number of instructions analyzed by the verifier */ - u32 insn_processed; + u32 prev_insn_processed, insn_processed; + /* number of jmps, calls, exits analyzed so far */ + u32 prev_jmps_processed, jmps_processed; /* total verification time */ u64 verification_time; /* maximum number of verifier states kept in 'branching' instructions */ diff --git a/include/linux/c2port.h b/include/linux/c2port.h index f2736348ca26..4e93bc63c27a 100644 --- a/include/linux/c2port.h +++ b/include/linux/c2port.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Silicon Labs C2 port Linux support * * Copyright (c) 2007 Rodolfo Giometti <giometti@linux.it> * Copyright (c) 2007 Eurotech S.p.A. <info@eurotech.it> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation */ #define C2PORT_NAME_LEN 32 diff --git a/include/linux/cacheinfo.h b/include/linux/cacheinfo.h index 70e19bc6cc9f..46b92cd61d0c 100644 --- a/include/linux/cacheinfo.h +++ b/include/linux/cacheinfo.h @@ -17,6 +17,8 @@ enum cache_type { CACHE_TYPE_UNIFIED = BIT(2), }; +extern unsigned int coherency_max_size; + /** * struct cacheinfo - represent a cache leaf node * @id: This cache's id. It is unique among caches with the same (type, level). diff --git a/include/linux/can/dev/peak_canfd.h b/include/linux/can/dev/peak_canfd.h index 46dceef2cfa6..511a37302fea 100644 --- a/include/linux/can/dev/peak_canfd.h +++ b/include/linux/can/dev/peak_canfd.h @@ -1,17 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * CAN driver for PEAK System micro-CAN based adapters * * Copyright (C) 2003-2011 PEAK System-Technik GmbH * Copyright (C) 2011-2013 Stephane Grosjean <s.grosjean@peak-system.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published - * by the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #ifndef PUCAN_H #define PUCAN_H diff --git a/include/linux/can/led.h b/include/linux/can/led.h index 2746f7c2f87d..7c3cfd798c56 100644 --- a/include/linux/can/led.h +++ b/include/linux/can/led.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2012, Fabio Baltieri <fabio.baltieri@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef _CAN_LED_H diff --git a/include/linux/can/rx-offload.h b/include/linux/can/rx-offload.h index 8268811a697e..9daa1119ea42 100644 --- a/include/linux/can/rx-offload.h +++ b/include/linux/can/rx-offload.h @@ -1,17 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/can/rx-offload.h * * Copyright (c) 2014 David Jander, Protonic Holland * Copyright (c) 2014-2017 Pengutronix, Marc Kleine-Budde <kernel@pengutronix.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the version 2 of the GNU General Public License - * as published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef _CAN_RX_OFFLOAD_H diff --git a/include/linux/cb710.h b/include/linux/cb710.h index 8cc10411bab2..60de3fedd3a7 100644 --- a/include/linux/cb710.h +++ b/include/linux/cb710.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * cb710/cb710.h * * Copyright by Michał Mirosław, 2008-2009 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef LINUX_CB710_DRIVER_H #define LINUX_CB710_DRIVER_H @@ -129,10 +126,6 @@ void cb710_dump_regs(struct cb710_chip *chip, unsigned dump); * cb710/sgbuf2.h * * Copyright by Michał Mirosław, 2008-2009 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef LINUX_CB710_SG_H #define LINUX_CB710_SG_H diff --git a/include/linux/ccp.h b/include/linux/ccp.h index 7e9c991c95e0..55cb455cfcb0 100644 --- a/include/linux/ccp.h +++ b/include/linux/ccp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * AMD Cryptographic Coprocessor (CCP) driver * @@ -5,10 +6,6 @@ * * Author: Tom Lendacky <thomas.lendacky@amd.com> * Author: Gary R Hook <gary.hook@amd.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __CCP_H__ diff --git a/include/linux/ceph/debugfs.h b/include/linux/ceph/debugfs.h index fa5f9b7f5dbb..cf5e840eec71 100644 --- a/include/linux/ceph/debugfs.h +++ b/include/linux/ceph/debugfs.h @@ -19,9 +19,9 @@ static const struct file_operations name##_fops = { \ }; /* debugfs.c */ -extern int ceph_debugfs_init(void); +extern void ceph_debugfs_init(void); extern void ceph_debugfs_cleanup(void); -extern int ceph_debugfs_client_init(struct ceph_client *client); +extern void ceph_debugfs_client_init(struct ceph_client *client); extern void ceph_debugfs_client_cleanup(struct ceph_client *client); #endif diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 77258d276f93..c5311935239d 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -89,6 +89,11 @@ enum { * Enable cpuset controller in v1 cgroup to use v2 behavior. */ CGRP_ROOT_CPUSET_V2_MODE = (1 << 4), + + /* + * Enable legacy local memory.events. + */ + CGRP_ROOT_MEMORY_LOCAL_EVENTS = (1 << 5), }; /* cftype->flags */ @@ -216,6 +221,7 @@ struct css_set { */ struct list_head tasks; struct list_head mg_tasks; + struct list_head dying_tasks; /* all css_task_iters currently walking this cset */ struct list_head task_iters; @@ -618,7 +624,7 @@ struct cftype { /* * Control Group subsystem type. - * See Documentation/cgroup-v1/cgroups.txt for details + * See Documentation/cgroup-v1/cgroups.rst for details */ struct cgroup_subsys { struct cgroup_subsys_state *(*css_alloc)(struct cgroup_subsys_state *parent_css); diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index c0077adeea83..2af9b1b419f1 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -43,6 +43,9 @@ /* walk all threaded css_sets in the domain */ #define CSS_TASK_ITER_THREADED (1U << 1) +/* internal flags */ +#define CSS_TASK_ITER_SKIPPED (1U << 16) + /* a css_task_iter should be treated as an opaque object */ struct css_task_iter { struct cgroup_subsys *ss; @@ -57,6 +60,7 @@ struct css_task_iter { struct list_head *task_pos; struct list_head *tasks_head; struct list_head *mg_tasks_head; + struct list_head *dying_tasks_head; struct css_set *cur_cset; struct css_set *cur_dcset; @@ -127,6 +131,8 @@ void cgroup_free(struct task_struct *p); int cgroup_init_early(void); int cgroup_init(void); +int cgroup_parse_float(const char *input, unsigned dec_shift, s64 *v); + /* * Iteration helpers and macros. */ @@ -487,7 +493,7 @@ static inline struct cgroup_subsys_state *task_css(struct task_struct *task, * * Find the css for the (@task, @subsys_id) combination, increment a * reference on and return it. This function is guaranteed to return a - * valid css. + * valid css. The returned css may already have been offlined. */ static inline struct cgroup_subsys_state * task_get_css(struct task_struct *task, int subsys_id) @@ -497,7 +503,13 @@ task_get_css(struct task_struct *task, int subsys_id) rcu_read_lock(); while (true) { css = task_css(task, subsys_id); - if (likely(css_tryget_online(css))) + /* + * Can't use css_tryget_online() here. A task which has + * PF_EXITING set may stay associated with an offline css. + * If such task calls this function, css_tryget_online() + * will keep failing. + */ + if (likely(css_tryget(css))) break; cpu_relax(); } @@ -924,4 +936,22 @@ static inline bool cgroup_task_frozen(struct task_struct *task) #endif /* !CONFIG_CGROUPS */ +#ifdef CONFIG_CGROUP_BPF +static inline void cgroup_bpf_get(struct cgroup *cgrp) +{ + percpu_ref_get(&cgrp->bpf.refcnt); +} + +static inline void cgroup_bpf_put(struct cgroup *cgrp) +{ + percpu_ref_put(&cgrp->bpf.refcnt); +} + +#else /* CONFIG_CGROUP_BPF */ + +static inline void cgroup_bpf_get(struct cgroup *cgrp) {} +static inline void cgroup_bpf_put(struct cgroup *cgrp) {} + +#endif /* CONFIG_CGROUP_BPF */ + #endif /* _LINUX_CGROUP_H */ diff --git a/include/linux/cgroup_rdma.h b/include/linux/cgroup_rdma.h index ef1bae2983f3..80edae03c313 100644 --- a/include/linux/cgroup_rdma.h +++ b/include/linux/cgroup_rdma.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2016 Parav Pandit <pandit.parav@gmail.com> - * - * This file is subject to the terms and conditions of version 2 of the GNU - * General Public License. See the file COPYING in the main directory of the - * Linux distribution for more details. */ #ifndef _CGROUP_RDMA_H diff --git a/include/linux/clk.h b/include/linux/clk.h index f689fc58d7be..c8e3325868bd 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/include/linux/clk.h * * Copyright (C) 2004 ARM Limited. * Written by Deep Blue Solutions Limited. * Copyright (C) 2011-2012 Linaro Ltd <mturquette@linaro.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_CLK_H #define __LINUX_CLK_H diff --git a/include/linux/clk/at91_pmc.h b/include/linux/clk/at91_pmc.h index 44e8fc30b889..390437887b46 100644 --- a/include/linux/clk/at91_pmc.h +++ b/include/linux/clk/at91_pmc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/linux/clk/at91_pmc.h * @@ -6,11 +7,6 @@ * * Power Management Controller (PMC) - System peripherals registers. * Based on AT91RM9200 datasheet revision E. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef AT91_PMC_H diff --git a/include/linux/clk/mxs.h b/include/linux/clk/mxs.h index 5138a90e018c..2674e607ffb1 100644 --- a/include/linux/clk/mxs.h +++ b/include/linux/clk/mxs.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2013 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_CLK_MXS_H diff --git a/include/linux/clk/sunxi-ng.h b/include/linux/clk/sunxi-ng.h index 990f760f70e5..3cd14acde0a1 100644 --- a/include/linux/clk/sunxi-ng.h +++ b/include/linux/clk/sunxi-ng.h @@ -1,14 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2017 Chen-Yu Tsai. All rights reserved. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef _LINUX_CLK_SUNXI_NG_H_ diff --git a/include/linux/clk/tegra.h b/include/linux/clk/tegra.h index afb9edfa5d58..b8aef62cc3f5 100644 --- a/include/linux/clk/tegra.h +++ b/include/linux/clk/tegra.h @@ -1,17 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __LINUX_CLK_TEGRA_H_ diff --git a/include/linux/clk/zynq.h b/include/linux/clk/zynq.h index 7a5633b71533..a198dd9255a4 100644 --- a/include/linux/clk/zynq.h +++ b/include/linux/clk/zynq.h @@ -1,20 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2013 Xilinx Inc. * Copyright (C) 2012 National Instruments - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __LINUX_CLK_ZYNQ_H_ diff --git a/include/linux/clkdev.h b/include/linux/clkdev.h index ccb32af5848b..fd06b2780a22 100644 --- a/include/linux/clkdev.h +++ b/include/linux/clkdev.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * include/linux/clkdev.h * * Copyright (C) 2008 Russell King. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Helper for the clk API to assist looking up a struct clk. */ #ifndef __CLKDEV_H diff --git a/include/linux/clock_cooling.h b/include/linux/clock_cooling.h index 4d1019d56f7f..b5cebf766e02 100644 --- a/include/linux/clock_cooling.h +++ b/include/linux/clock_cooling.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/include/linux/clock_cooling.h * @@ -9,15 +10,6 @@ * Highly based on cpu_cooling.c. * Copyright (C) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com) * Copyright (C) 2012 Amit Daniel <amit.kachhap@linaro.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #ifndef __CPU_COOLING_H__ diff --git a/include/linux/cnt32_to_63.h b/include/linux/cnt32_to_63.h index aa629bce9033..064428479f2d 100644 --- a/include/linux/cnt32_to_63.h +++ b/include/linux/cnt32_to_63.h @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Extend a 32-bit counter to 63 bits * * Author: Nicolas Pitre * Created: December 3, 2006 * Copyright: MontaVista Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. */ #ifndef __LINUX_CNT32_TO_63_H__ diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index 19e58b9138a0..095d55c3834d 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -112,6 +112,8 @@ struct ftrace_likely_data { #if defined(CC_USING_HOTPATCH) #define notrace __attribute__((hotpatch(0, 0))) +#elif defined(CC_USING_PATCHABLE_FUNCTION_ENTRY) +#define notrace __attribute__((patchable_function_entry(0, 0))) #else #define notrace __attribute__((__no_instrument_function__)) #endif diff --git a/include/linux/concap.h b/include/linux/concap.h deleted file mode 100644 index 977acb3d1fb2..000000000000 --- a/include/linux/concap.h +++ /dev/null @@ -1,112 +0,0 @@ -/* $Id: concap.h,v 1.3.2.2 2004/01/12 23:08:35 keil Exp $ - * - * Copyright 1997 by Henner Eisen <eis@baty.hanse.de> - * - * This software may be used and distributed according to the terms - * of the GNU General Public License, incorporated herein by reference. - */ - -#ifndef _LINUX_CONCAP_H -#define _LINUX_CONCAP_H - -#include <linux/skbuff.h> -#include <linux/netdevice.h> - -/* Stuff to support encapsulation protocols genericly. The encapsulation - protocol is processed at the uppermost layer of the network interface. - - Based on a ideas developed in a 'synchronous device' thread in the - linux-x25 mailing list contributed by Alan Cox, Thomasz Motylewski - and Jonathan Naylor. - - For more documetation on this refer to Documentation/isdn/README.concap -*/ - -struct concap_proto_ops; -struct concap_device_ops; - -/* this manages all data needed by the encapsulation protocol - */ -struct concap_proto{ - struct net_device *net_dev; /* net device using our service */ - struct concap_device_ops *dops; /* callbacks provided by device */ - struct concap_proto_ops *pops; /* callbacks provided by us */ - spinlock_t lock; - int flags; - void *proto_data; /* protocol specific private data, to - be accessed via *pops methods only*/ - /* - : - whatever - : - */ -}; - -/* Operations to be supported by the net device. Called by the encapsulation - * protocol entity. No receive method is offered because the encapsulation - * protocol directly calls netif_rx(). - */ -struct concap_device_ops{ - - /* to request data is submitted by device*/ - int (*data_req)(struct concap_proto *, struct sk_buff *); - - /* Control methods must be set to NULL by devices which do not - support connection control.*/ - /* to request a connection is set up */ - int (*connect_req)(struct concap_proto *); - - /* to request a connection is released */ - int (*disconn_req)(struct concap_proto *); -}; - -/* Operations to be supported by the encapsulation protocol. Called by - * device driver. - */ -struct concap_proto_ops{ - - /* create a new encapsulation protocol instance of same type */ - struct concap_proto * (*proto_new) (void); - - /* delete encapsulation protocol instance and free all its resources. - cprot may no loger be referenced after calling this */ - void (*proto_del)(struct concap_proto *cprot); - - /* initialize the protocol's data. To be called at interface startup - or when the device driver resets the interface. All services of the - encapsulation protocol may be used after this*/ - int (*restart)(struct concap_proto *cprot, - struct net_device *ndev, - struct concap_device_ops *dops); - - /* inactivate an encapsulation protocol instance. The encapsulation - protocol may not call any *dops methods after this. */ - int (*close)(struct concap_proto *cprot); - - /* process a frame handed down to us by upper layer */ - int (*encap_and_xmit)(struct concap_proto *cprot, struct sk_buff *skb); - - /* to be called for each data entity received from lower layer*/ - int (*data_ind)(struct concap_proto *cprot, struct sk_buff *skb); - - /* to be called when a connection was set up/down. - Protocols that don't process these primitives might fill in - dummy methods here */ - int (*connect_ind)(struct concap_proto *cprot); - int (*disconn_ind)(struct concap_proto *cprot); - /* - Some network device support functions, like net_header(), rebuild_header(), - and others, that depend solely on the encapsulation protocol, might - be provided here, too. The net device would just fill them in its - corresponding fields when it is opened. - */ -}; - -/* dummy restart/close/connect/reset/disconn methods - */ -extern int concap_nop(struct concap_proto *cprot); - -/* dummy submit method - */ -extern int concap_drop_skb(struct concap_proto *cprot, struct sk_buff *skb); -#endif diff --git a/include/linux/configfs.h b/include/linux/configfs.h index 90b90f8baf99..fa9490a8874c 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h @@ -1,23 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* -*- mode: c; c-basic-offset: 8; -*- * vim: noexpandtab sw=8 ts=8 sts=0: * * configfs.h - definitions for the device driver filesystem * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. - * * Based on sysfs: * sysfs is Copyright (C) 2001, 2002, 2003 Patrick Mochel * diff --git a/include/linux/connector.h b/include/linux/connector.h index 032102b19645..1d72ef76f24f 100644 --- a/include/linux/connector.h +++ b/include/linux/connector.h @@ -1,22 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * connector.h * * 2004-2005 Copyright (c) Evgeniy Polyakov <zbr@ioremap.net> * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __CONNECTOR_H #define __CONNECTOR_H diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h index ed798e114663..24d4c16e3ae0 100644 --- a/include/linux/console_struct.h +++ b/include/linux/console_struct.h @@ -168,9 +168,6 @@ extern void vc_SAK(struct work_struct *work); #define CUR_DEFAULT CUR_UNDERLINE -static inline bool con_is_visible(const struct vc_data *vc) -{ - return *vc->vc_display_fg == vc; -} +bool con_is_visible(const struct vc_data *vc); #endif /* _LINUX_CONSOLE_STRUCT_H */ diff --git a/include/linux/container.h b/include/linux/container.h index 3c03e6fd2035..0cc2ee91905c 100644 --- a/include/linux/container.h +++ b/include/linux/container.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Definitions for container bus type. * * Copyright (C) 2013, Intel Corporation * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/device.h> diff --git a/include/linux/coresight.h b/include/linux/coresight.h index 62a520df8add..a2b68823717b 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -91,15 +91,11 @@ union coresight_dev_subtype { /** * struct coresight_platform_data - data harvested from the DT specification - * @cpu: the CPU a source belongs to. Only applicable for ETM/PTMs. - * @name: name of the component as shown under sysfs. * @nr_inport: number of input ports for this component. * @nr_outport: number of output ports for this component. * @conns: Array of nr_outport connections from this component */ struct coresight_platform_data { - int cpu; - const char *name; int nr_inport; int nr_outport; struct coresight_connection *conns; @@ -110,11 +106,12 @@ struct coresight_platform_data { * @type: as defined by @coresight_dev_type. * @subtype: as defined by @coresight_dev_subtype. * @ops: generic operations for this component, as defined - by @coresight_ops. + * by @coresight_ops. * @pdata: platform data collected from DT. * @dev: The device entity associated to this component. * @groups: operations specific to this component. These will end up - in the component's sysfs sub-directory. + * in the component's sysfs sub-directory. + * @name: name for the coresight device, also shown under sysfs. */ struct coresight_desc { enum coresight_dev_type type; @@ -123,28 +120,27 @@ struct coresight_desc { struct coresight_platform_data *pdata; struct device *dev; const struct attribute_group **groups; + const char *name; }; /** * struct coresight_connection - representation of a single connection * @outport: a connection's output port number. - * @chid_name: remote component's name. * @child_port: remote component's port number @output is connected to. + * @chid_fwnode: remote component's fwnode handle. * @child_dev: a @coresight_device representation of the component connected to @outport. */ struct coresight_connection { int outport; - const char *child_name; int child_port; + struct fwnode_handle *child_fwnode; struct coresight_device *child_dev; }; /** * struct coresight_device - representation of a device as used by the framework - * @conns: array of coresight_connections associated to this component. - * @nr_inport: number of input port associated to this component. - * @nr_outport: number of output port associated to this component. + * @pdata: Platform data with device connections associated to this device. * @type: as defined by @coresight_dev_type. * @subtype: as defined by @coresight_dev_subtype. * @ops: generic operations for this component, as defined @@ -159,9 +155,7 @@ struct coresight_connection { * @ea: Device attribute for sink representation under PMU directory. */ struct coresight_device { - struct coresight_connection *conns; - int nr_inport; - int nr_outport; + struct coresight_platform_data *pdata; enum coresight_dev_type type; union coresight_dev_subtype subtype; const struct coresight_ops *ops; @@ -174,6 +168,28 @@ struct coresight_device { struct dev_ext_attribute *ea; }; +/* + * coresight_dev_list - Mapping for devices to "name" index for device + * names. + * + * @nr_idx: Number of entries already allocated. + * @pfx: Prefix pattern for device name. + * @fwnode_list: Array of fwnode_handles associated with each allocated + * index, upto nr_idx entries. + */ +struct coresight_dev_list { + int nr_idx; + const char *pfx; + struct fwnode_handle **fwnode_list; +}; + +#define DEFINE_CORESIGHT_DEVLIST(var, dev_pfx) \ +static struct coresight_dev_list (var) = { \ + .pfx = dev_pfx, \ + .nr_idx = 0, \ + .fwnode_list = NULL, \ +} + #define to_coresight_device(d) container_of(d, struct coresight_device, dev) #define source_ops(csdev) csdev->ops->source_ops @@ -267,7 +283,8 @@ extern int coresight_claim_device_unlocked(void __iomem *base); extern void coresight_disclaim_device(void __iomem *base); extern void coresight_disclaim_device_unlocked(void __iomem *base); - +extern char *coresight_alloc_device_name(struct coresight_dev_list *devs, + struct device *dev); #else static inline struct coresight_device * coresight_register(struct coresight_desc *desc) { return NULL; } @@ -292,16 +309,8 @@ static inline void coresight_disclaim_device_unlocked(void __iomem *base) {} #endif -#ifdef CONFIG_OF -extern int of_coresight_get_cpu(const struct device_node *node); -extern struct coresight_platform_data * -of_get_coresight_platform_data(struct device *dev, - const struct device_node *node); -#else -static inline int of_coresight_get_cpu(const struct device_node *node) -{ return 0; } -static inline struct coresight_platform_data *of_get_coresight_platform_data( - struct device *dev, const struct device_node *node) { return NULL; } -#endif +extern int coresight_get_cpu(struct device *dev); + +struct coresight_platform_data *coresight_get_platform_data(struct device *dev); #endif diff --git a/include/linux/cper.h b/include/linux/cper.h index cc4980bb0f65..4f005d95ce88 100644 --- a/include/linux/cper.h +++ b/include/linux/cper.h @@ -1,21 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * UEFI Common Platform Error Record * * Copyright (C) 2010, Intel Corp. * Author: Huang Ying <ying.huang@intel.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef LINUX_CPER_H diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 3813fe45effd..fcb1386bb0d4 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -201,10 +201,14 @@ enum cpuhp_smt_control { extern enum cpuhp_smt_control cpu_smt_control; extern void cpu_smt_disable(bool force); extern void cpu_smt_check_topology(void); +extern int cpuhp_smt_enable(void); +extern int cpuhp_smt_disable(enum cpuhp_smt_control ctrlval); #else # define cpu_smt_control (CPU_SMT_NOT_IMPLEMENTED) static inline void cpu_smt_disable(bool force) { } static inline void cpu_smt_check_topology(void) { } +static inline int cpuhp_smt_enable(void) { return 0; } +static inline int cpuhp_smt_disable(enum cpuhp_smt_control ctrlval) { return 0; } #endif /* diff --git a/include/linux/cpu_cooling.h b/include/linux/cpu_cooling.h index de0dafb9399d..bae54bb7c048 100644 --- a/include/linux/cpu_cooling.h +++ b/include/linux/cpu_cooling.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/include/linux/cpu_cooling.h * @@ -5,18 +6,6 @@ * Copyright (C) 2012 Amit Daniel <amit.kachhap@linaro.org> * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/include/linux/cpu_pm.h b/include/linux/cpu_pm.h index 455b233dd3b1..552b8f9ea05e 100644 --- a/include/linux/cpu_pm.h +++ b/include/linux/cpu_pm.h @@ -1,18 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2011 Google, Inc. * * Author: * Colin Cross <ccross@android.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef _LINUX_CPU_PM_H diff --git a/include/linux/cpu_rmap.h b/include/linux/cpu_rmap.h index bdd18caa6c94..02edeafcb2bf 100644 --- a/include/linux/cpu_rmap.h +++ b/include/linux/cpu_rmap.h @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef __LINUX_CPU_RMAP_H #define __LINUX_CPU_RMAP_H /* * cpu_rmap.c: CPU affinity reverse-map support * Copyright 2011 Solarflare Communications Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation, incorporated herein by reference. */ #include <linux/cpumask.h> diff --git a/include/linux/cpufeature.h b/include/linux/cpufeature.h index 84d3c81b5978..6aff540ee9e5 100644 --- a/include/linux/cpufeature.h +++ b/include/linux/cpufeature.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2014 Linaro Ltd. <ard.biesheuvel@linaro.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_CPUFEATURE_H diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index d01a74fbc4db..46b167fba155 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/include/linux/cpufreq.h * * Copyright (C) 2001 Russell King * (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef _LINUX_CPUFREQ_H #define _LINUX_CPUFREQ_H @@ -409,6 +406,12 @@ int cpufreq_unregister_driver(struct cpufreq_driver *driver_data); const char *cpufreq_get_current_driver(void); void *cpufreq_get_driver_data(void); +static inline int cpufreq_thermal_control_enabled(struct cpufreq_driver *drv) +{ + return IS_ENABLED(CONFIG_CPU_THERMAL) && + (drv->flags & CPUFREQ_IS_COOLING_DEV); +} + static inline void cpufreq_verify_within_limits(struct cpufreq_policy *policy, unsigned int min, unsigned int max) { diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 6a381594608c..068793a619ca 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -101,6 +101,7 @@ enum cpuhp_state { CPUHP_AP_IRQ_BCM2836_STARTING, CPUHP_AP_IRQ_MIPS_GIC_STARTING, CPUHP_AP_ARM_MVEBU_COHERENCY, + CPUHP_AP_MICROCODE_LOADER, CPUHP_AP_PERF_X86_AMD_UNCORE_STARTING, CPUHP_AP_PERF_X86_STARTING, CPUHP_AP_PERF_X86_AMD_IBS_STARTING, @@ -115,10 +116,10 @@ enum cpuhp_state { CPUHP_AP_PERF_ARM_ACPI_STARTING, CPUHP_AP_PERF_ARM_STARTING, CPUHP_AP_ARM_L2X0_STARTING, + CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING, CPUHP_AP_ARM_ARCH_TIMER_STARTING, CPUHP_AP_ARM_GLOBAL_TIMER_STARTING, CPUHP_AP_JCORE_TIMER_STARTING, - CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING, CPUHP_AP_ARM_TWD_STARTING, CPUHP_AP_QCOM_TIMER_STARTING, CPUHP_AP_TEGRA_TIMER_STARTING, @@ -175,6 +176,7 @@ enum cpuhp_state { CPUHP_AP_WATCHDOG_ONLINE, CPUHP_AP_WORKQUEUE_ONLINE, CPUHP_AP_RCUTREE_ONLINE, + CPUHP_AP_BASE_CACHEINFO_ONLINE, CPUHP_AP_ONLINE_DYN, CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30, CPUHP_AP_X86_HPET_ONLINE, diff --git a/include/linux/crc-itu-t.h b/include/linux/crc-itu-t.h index a9953c762eee..a4367051e192 100644 --- a/include/linux/crc-itu-t.h +++ b/include/linux/crc-itu-t.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * crc-itu-t.h - CRC ITU-T V.41 routine * @@ -5,9 +6,6 @@ * Width 16 * Poly 0x1021 (x^16 + x^12 + x^15 + 1) * Init 0 - * - * This source code is licensed under the GNU General Public License, - * Version 2. See the file COPYING for more details. */ #ifndef CRC_ITU_T_H diff --git a/include/linux/crc16.h b/include/linux/crc16.h index 9443c084f881..9fa74529b317 100644 --- a/include/linux/crc16.h +++ b/include/linux/crc16.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * crc16.h - CRC-16 routine * @@ -7,9 +8,6 @@ * Init 0 * * Copyright (c) 2005 Ben Gardner <bgardner@wabtec.com> - * - * This source code is licensed under the GNU General Public License, - * Version 2. See the file COPYING for more details. */ #ifndef __CRC16_H diff --git a/include/linux/crypto.h b/include/linux/crypto.h index f2565a103158..19ea3a371d7b 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Scatterlist Cryptographic API. * @@ -7,12 +8,6 @@ * * Portions derived from Cryptoapi, by Alexander Kjeldaas <astor@fast.no> * and Nettle, by Niels Möller. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * */ #ifndef _LINUX_CRYPTO_H #define _LINUX_CRYPTO_H @@ -54,7 +49,6 @@ #define CRYPTO_ALG_TYPE_SCOMPRESS 0x0000000b #define CRYPTO_ALG_TYPE_RNG 0x0000000c #define CRYPTO_ALG_TYPE_AKCIPHER 0x0000000d -#define CRYPTO_ALG_TYPE_DIGEST 0x0000000e #define CRYPTO_ALG_TYPE_HASH 0x0000000e #define CRYPTO_ALG_TYPE_SHASH 0x0000000e #define CRYPTO_ALG_TYPE_AHASH 0x0000000f @@ -328,6 +322,17 @@ struct cipher_alg { void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); }; +/** + * struct compress_alg - compression/decompression algorithm + * @coa_compress: Compress a buffer of specified length, storing the resulting + * data in the specified buffer. Return the length of the + * compressed data in dlen. + * @coa_decompress: Decompress the source buffer, storing the uncompressed + * data in the specified buffer. The length of the data is + * returned in dlen. + * + * All fields are mandatory. + */ struct compress_alg { int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen); diff --git a/include/linux/cs5535.h b/include/linux/cs5535.h index cfe83239d7f0..2be1120174eb 100644 --- a/include/linux/cs5535.h +++ b/include/linux/cs5535.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * AMD CS5535/CS5536 definitions * Copyright (C) 2006 Advanced Micro Devices, Inc. * Copyright (C) 2009 Andres Salomon <dilinger@collabora.co.uk> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. */ #ifndef _CS5535_H diff --git a/include/linux/dcache.h b/include/linux/dcache.h index f14e587c5d5d..5e0eadf7de55 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -153,7 +153,7 @@ struct dentry_operations { * Locking rules for dentry_operations callbacks are to be found in * Documentation/filesystems/Locking. Keep it updated! * - * FUrther descriptions are found in Documentation/filesystems/vfs.txt. + * FUrther descriptions are found in Documentation/filesystems/vfs.rst. * Keep it updated too! */ @@ -568,7 +568,7 @@ static inline struct dentry *d_backing_dentry(struct dentry *upper) * If dentry is on a union/overlay, then return the underlying, real dentry. * Otherwise return the dentry itself. * - * See also: Documentation/filesystems/vfs.txt + * See also: Documentation/filesystems/vfs.rst */ static inline struct dentry *d_real(struct dentry *dentry, const struct inode *inode) diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h index 3b0ba54cc4d5..58424eb3b329 100644 --- a/include/linux/debugfs.h +++ b/include/linux/debugfs.h @@ -133,9 +133,8 @@ struct dentry *debugfs_create_regset32(const char *name, umode_t mode, void debugfs_print_regs32(struct seq_file *s, const struct debugfs_reg32 *regs, int nregs, void __iomem *base, char *prefix); -struct dentry *debugfs_create_u32_array(const char *name, umode_t mode, - struct dentry *parent, - u32 *array, u32 elements); +void debugfs_create_u32_array(const char *name, umode_t mode, + struct dentry *parent, u32 *array, u32 elements); struct dentry *debugfs_create_devm_seqfile(struct device *dev, const char *name, struct dentry *parent, @@ -353,11 +352,10 @@ static inline bool debugfs_initialized(void) return false; } -static inline struct dentry *debugfs_create_u32_array(const char *name, umode_t mode, - struct dentry *parent, - u32 *array, u32 elements) +static inline void debugfs_create_u32_array(const char *name, umode_t mode, + struct dentry *parent, u32 *array, + u32 elements) { - return ERR_PTR(-ENODEV); } static inline struct dentry *debugfs_create_devm_seqfile(struct device *dev, diff --git a/include/linux/delayacct.h b/include/linux/delayacct.h index 577d1b25fccd..2d3bdcccf5eb 100644 --- a/include/linux/delayacct.h +++ b/include/linux/delayacct.h @@ -1,17 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* delayacct.h - per-task delay accounting * * Copyright (C) Shailabh Nagar, IBM Corp. 2006 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * */ #ifndef _LINUX_DELAYACCT_H diff --git a/include/linux/devcoredump.h b/include/linux/devcoredump.h index 269521f143ac..c008169ed2c6 100644 --- a/include/linux/devcoredump.h +++ b/include/linux/devcoredump.h @@ -1,21 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* - * This file is provided under the GPLv2 license. - * - * GPL LICENSE SUMMARY - * * Copyright(c) 2015 Intel Deutschland GmbH - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * The full GNU General Public License is included in this distribution - * in the file called COPYING. */ #ifndef __DEVCOREDUMP_H #define __DEVCOREDUMP_H diff --git a/include/linux/devfreq-event.h b/include/linux/devfreq-event.h index 4db00b02ca3f..29fc0dd735ae 100644 --- a/include/linux/devfreq-event.h +++ b/include/linux/devfreq-event.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * devfreq-event: a framework to provide raw data and events of devfreq devices * * Copyright (C) 2014 Samsung Electronics * Author: Chanwoo Choi <cw00.choi@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_DEVFREQ_EVENT_H__ diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index fbffa74bfc1b..2bae9ed3c783 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * devfreq: Generic Dynamic Voltage and Frequency Scaling (DVFS) Framework * for Non-CPU Devices. * * Copyright (C) 2011 Samsung Electronics * MyungJoo Ham <myungjoo.ham@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_DEVFREQ_H__ diff --git a/include/linux/device.h b/include/linux/device.h index e85264fb6616..5eabfa0c4dee 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -42,6 +42,7 @@ struct iommu_ops; struct iommu_group; struct iommu_fwspec; struct dev_pin_info; +struct iommu_param; struct bus_attribute { struct attribute attr; @@ -163,11 +164,13 @@ void subsys_dev_iter_init(struct subsys_dev_iter *iter, struct device *subsys_dev_iter_next(struct subsys_dev_iter *iter); void subsys_dev_iter_exit(struct subsys_dev_iter *iter); +int device_match_of_node(struct device *dev, const void *np); + int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data, int (*fn)(struct device *dev, void *data)); struct device *bus_find_device(struct bus_type *bus, struct device *start, - void *data, - int (*match)(struct device *dev, void *data)); + const void *data, + int (*match)(struct device *dev, const void *data)); struct device *bus_find_device_by_name(struct bus_type *bus, struct device *start, const char *name); @@ -336,11 +339,12 @@ extern int __must_check driver_for_each_device(struct device_driver *drv, int (*fn)(struct device *dev, void *)); struct device *driver_find_device(struct device_driver *drv, - struct device *start, void *data, - int (*match)(struct device *dev, void *data)); + struct device *start, const void *data, + int (*match)(struct device *dev, const void *data)); void driver_deferred_probe_add(struct device *dev); int driver_deferred_probe_check_state(struct device *dev); +int driver_deferred_probe_check_state_continue(struct device *dev); /** * struct subsys_interface - interfaces to device functions @@ -704,7 +708,8 @@ extern unsigned long devm_get_free_pages(struct device *dev, gfp_t gfp_mask, unsigned int order); extern void devm_free_pages(struct device *dev, unsigned long addr); -void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res); +void __iomem *devm_ioremap_resource(struct device *dev, + const struct resource *res); void __iomem *devm_of_iomap(struct device *dev, struct device_node *node, int index, @@ -713,6 +718,7 @@ void __iomem *devm_of_iomap(struct device *dev, /* allows to add/remove a custom action to devres stack */ int devm_add_action(struct device *dev, void (*action)(void *), void *data); void devm_remove_action(struct device *dev, void (*action)(void *), void *data); +void devm_release_action(struct device *dev, void (*action)(void *), void *data); static inline int devm_add_action_or_reset(struct device *dev, void (*action)(void *), void *data) @@ -959,6 +965,7 @@ struct dev_links_info { * device (i.e. the bus driver that discovered the device). * @iommu_group: IOMMU group the device belongs to. * @iommu_fwspec: IOMMU-specific properties supplied by firmware. + * @iommu_param: Per device generic IOMMU runtime data * * @offline_disabled: If set, the device is permanently online. * @offline: Set after successful invocation of bus type's .offline(). @@ -1052,6 +1059,7 @@ struct device { void (*release)(struct device *dev); struct iommu_group *iommu_group; struct iommu_fwspec *iommu_fwspec; + struct iommu_param *iommu_param; bool offline_disabled:1; bool offline:1; @@ -1250,6 +1258,8 @@ extern int device_for_each_child_reverse(struct device *dev, void *data, int (*fn)(struct device *dev, void *data)); extern struct device *device_find_child(struct device *dev, void *data, int (*match)(struct device *dev, void *data)); +extern struct device *device_find_child_by_name(struct device *parent, + const char *name); extern int device_rename(struct device *dev, const char *new_name); extern int device_move(struct device *dev, struct device *new_parent, enum dpm_order dpm_order); diff --git a/include/linux/digsig.h b/include/linux/digsig.h index 6f85a070bb45..594fc66a395a 100644 --- a/include/linux/digsig.h +++ b/include/linux/digsig.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2011 Nokia Corporation * Copyright (C) 2011 Intel Corporation @@ -5,11 +6,6 @@ * Author: * Dmitry Kasatkin <dmitry.kasatkin@nokia.com> * <dmitry.kasatkin@intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, version 2 of the License. - * */ #ifndef _DIGSIG_H diff --git a/include/linux/dim.h b/include/linux/dim.h new file mode 100644 index 000000000000..aa9bdd47a648 --- /dev/null +++ b/include/linux/dim.h @@ -0,0 +1,366 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* Copyright (c) 2019 Mellanox Technologies. */ + +#ifndef DIM_H +#define DIM_H + +#include <linux/module.h> + +/** + * Number of events between DIM iterations. + * Causes a moderation of the algorithm run. + */ +#define DIM_NEVENTS 64 + +/** + * Is a difference between values justifies taking an action. + * We consider 10% difference as significant. + */ +#define IS_SIGNIFICANT_DIFF(val, ref) \ + (((100UL * abs((val) - (ref))) / (ref)) > 10) + +/** + * Calculate the gap between two values. + * Take wrap-around and variable size into consideration. + */ +#define BIT_GAP(bits, end, start) ((((end) - (start)) + BIT_ULL(bits)) \ + & (BIT_ULL(bits) - 1)) + +/** + * Structure for CQ moderation values. + * Used for communications between DIM and its consumer. + * + * @usec: CQ timer suggestion (by DIM) + * @pkts: CQ packet counter suggestion (by DIM) + * @cq_period_mode: CQ priod count mode (from CQE/EQE) + */ +struct dim_cq_moder { + u16 usec; + u16 pkts; + u16 comps; + u8 cq_period_mode; +}; + +/** + * Structure for DIM sample data. + * Used for communications between DIM and its consumer. + * + * @time: Sample timestamp + * @pkt_ctr: Number of packets + * @byte_ctr: Number of bytes + * @event_ctr: Number of events + */ +struct dim_sample { + ktime_t time; + u32 pkt_ctr; + u32 byte_ctr; + u16 event_ctr; + u32 comp_ctr; +}; + +/** + * Structure for DIM stats. + * Used for holding current measured rates. + * + * @ppms: Packets per msec + * @bpms: Bytes per msec + * @epms: Events per msec + */ +struct dim_stats { + int ppms; /* packets per msec */ + int bpms; /* bytes per msec */ + int epms; /* events per msec */ + int cpms; /* completions per msec */ + int cpe_ratio; /* ratio of completions to events */ +}; + +/** + * Main structure for dynamic interrupt moderation (DIM). + * Used for holding all information about a specific DIM instance. + * + * @state: Algorithm state (see below) + * @prev_stats: Measured rates from previous iteration (for comparison) + * @start_sample: Sampled data at start of current iteration + * @work: Work to perform on action required + * @profile_ix: Current moderation profile + * @mode: CQ period count mode + * @tune_state: Algorithm tuning state (see below) + * @steps_right: Number of steps taken towards higher moderation + * @steps_left: Number of steps taken towards lower moderation + * @tired: Parking depth counter + */ +struct dim { + u8 state; + struct dim_stats prev_stats; + struct dim_sample start_sample; + struct dim_sample measuring_sample; + struct work_struct work; + u8 profile_ix; + u8 mode; + u8 tune_state; + u8 steps_right; + u8 steps_left; + u8 tired; +}; + +/** + * enum dim_cq_period_mode + * + * These are the modes for CQ period count. + * + * @DIM_CQ_PERIOD_MODE_START_FROM_EQE: Start counting from EQE + * @DIM_CQ_PERIOD_MODE_START_FROM_CQE: Start counting from CQE (implies timer reset) + * @DIM_CQ_PERIOD_NUM_MODES: Number of modes + */ +enum { + DIM_CQ_PERIOD_MODE_START_FROM_EQE = 0x0, + DIM_CQ_PERIOD_MODE_START_FROM_CQE = 0x1, + DIM_CQ_PERIOD_NUM_MODES +}; + +/** + * enum dim_state + * + * These are the DIM algorithm states. + * These will determine if the algorithm is in a valid state to start an iteration. + * + * @DIM_START_MEASURE: This is the first iteration (also after applying a new profile) + * @DIM_MEASURE_IN_PROGRESS: Algorithm is already in progress - check if + * need to perform an action + * @DIM_APPLY_NEW_PROFILE: DIM consumer is currently applying a profile - no need to measure + */ +enum { + DIM_START_MEASURE, + DIM_MEASURE_IN_PROGRESS, + DIM_APPLY_NEW_PROFILE, +}; + +/** + * enum dim_tune_state + * + * These are the DIM algorithm tune states. + * These will determine which action the algorithm should perform. + * + * @DIM_PARKING_ON_TOP: Algorithm found a local top point - exit on significant difference + * @DIM_PARKING_TIRED: Algorithm found a deep top point - don't exit if tired > 0 + * @DIM_GOING_RIGHT: Algorithm is currently trying higher moderation levels + * @DIM_GOING_LEFT: Algorithm is currently trying lower moderation levels + */ +enum { + DIM_PARKING_ON_TOP, + DIM_PARKING_TIRED, + DIM_GOING_RIGHT, + DIM_GOING_LEFT, +}; + +/** + * enum dim_stats_state + * + * These are the DIM algorithm statistics states. + * These will determine the verdict of current iteration. + * + * @DIM_STATS_WORSE: Current iteration shows worse performance than before + * @DIM_STATS_WORSE: Current iteration shows same performance than before + * @DIM_STATS_WORSE: Current iteration shows better performance than before + */ +enum { + DIM_STATS_WORSE, + DIM_STATS_SAME, + DIM_STATS_BETTER, +}; + +/** + * enum dim_step_result + * + * These are the DIM algorithm step results. + * These describe the result of a step. + * + * @DIM_STEPPED: Performed a regular step + * @DIM_TOO_TIRED: Same kind of step was done multiple times - should go to + * tired parking + * @DIM_ON_EDGE: Stepped to the most left/right profile + */ +enum { + DIM_STEPPED, + DIM_TOO_TIRED, + DIM_ON_EDGE, +}; + +/** + * dim_on_top - check if current state is a good place to stop (top location) + * @dim: DIM context + * + * Check if current profile is a good place to park at. + * This will result in reducing the DIM checks frequency as we assume we + * shouldn't probably change profiles, unless traffic pattern wasn't changed. + */ +bool dim_on_top(struct dim *dim); + +/** + * dim_turn - change profile alterning direction + * @dim: DIM context + * + * Go left if we were going right and vice-versa. + * Do nothing if currently parking. + */ +void dim_turn(struct dim *dim); + +/** + * dim_park_on_top - enter a parking state on a top location + * @dim: DIM context + * + * Enter parking state. + * Clear all movement history. + */ +void dim_park_on_top(struct dim *dim); + +/** + * dim_park_tired - enter a tired parking state + * @dim: DIM context + * + * Enter parking state. + * Clear all movement history and cause DIM checks frequency to reduce. + */ +void dim_park_tired(struct dim *dim); + +/** + * dim_calc_stats - calculate the difference between two samples + * @start: start sample + * @end: end sample + * @curr_stats: delta between samples + * + * Calculate the delta between two samples (in data rates). + * Takes into consideration counter wrap-around. + */ +void dim_calc_stats(struct dim_sample *start, struct dim_sample *end, + struct dim_stats *curr_stats); + +/** + * dim_update_sample - set a sample's fields with give values + * @event_ctr: number of events to set + * @packets: number of packets to set + * @bytes: number of bytes to set + * @s: DIM sample + */ +static inline void +dim_update_sample(u16 event_ctr, u64 packets, u64 bytes, struct dim_sample *s) +{ + s->time = ktime_get(); + s->pkt_ctr = packets; + s->byte_ctr = bytes; + s->event_ctr = event_ctr; +} + +/** + * dim_update_sample_with_comps - set a sample's fields with given + * values including the completion parameter + * @event_ctr: number of events to set + * @packets: number of packets to set + * @bytes: number of bytes to set + * @comps: number of completions to set + * @s: DIM sample + */ +static inline void +dim_update_sample_with_comps(u16 event_ctr, u64 packets, u64 bytes, u64 comps, + struct dim_sample *s) +{ + dim_update_sample(event_ctr, packets, bytes, s); + s->comp_ctr = comps; +} + +/* Net DIM */ + +/* + * Net DIM profiles: + * There are different set of profiles for each CQ period mode. + * There are different set of profiles for RX/TX CQs. + * Each profile size must be of NET_DIM_PARAMS_NUM_PROFILES + */ +#define NET_DIM_PARAMS_NUM_PROFILES 5 +#define NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE 256 +#define NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE 128 +#define NET_DIM_DEF_PROFILE_CQE 1 +#define NET_DIM_DEF_PROFILE_EQE 1 + +#define NET_DIM_RX_EQE_PROFILES { \ + {1, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {8, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {64, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {128, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {256, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ +} + +#define NET_DIM_RX_CQE_PROFILES { \ + {2, 256}, \ + {8, 128}, \ + {16, 64}, \ + {32, 64}, \ + {64, 64} \ +} + +#define NET_DIM_TX_EQE_PROFILES { \ + {1, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {8, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {32, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {64, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {128, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE} \ +} + +#define NET_DIM_TX_CQE_PROFILES { \ + {5, 128}, \ + {8, 64}, \ + {16, 32}, \ + {32, 32}, \ + {64, 32} \ +} + +static const struct dim_cq_moder +rx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES] = { + NET_DIM_RX_EQE_PROFILES, + NET_DIM_RX_CQE_PROFILES, +}; + +static const struct dim_cq_moder +tx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES] = { + NET_DIM_TX_EQE_PROFILES, + NET_DIM_TX_CQE_PROFILES, +}; + +/** + * net_dim_get_rx_moderation - provide a CQ moderation object for the given RX profile + * @cq_period_mode: CQ period mode + * @ix: Profile index + */ +struct dim_cq_moder net_dim_get_rx_moderation(u8 cq_period_mode, int ix); + +/** + * net_dim_get_def_rx_moderation - provide the default RX moderation + * @cq_period_mode: CQ period mode + */ +struct dim_cq_moder net_dim_get_def_rx_moderation(u8 cq_period_mode); + +/** + * net_dim_get_tx_moderation - provide a CQ moderation object for the given TX profile + * @cq_period_mode: CQ period mode + * @ix: Profile index + */ +struct dim_cq_moder net_dim_get_tx_moderation(u8 cq_period_mode, int ix); + +/** + * net_dim_get_def_tx_moderation - provide the default TX moderation + * @cq_period_mode: CQ period mode + */ +struct dim_cq_moder net_dim_get_def_tx_moderation(u8 cq_period_mode); + +/** + * net_dim - main DIM algorithm entry point + * @dim: DIM instance information + * @end_sample: Current data measurement + * + * Called by the consumer. + * This is the main logic of the algorithm, where data is processed in order to decide on next + * required action. + */ +void net_dim(struct dim *dim, struct dim_sample end_sample); + +#endif /* DIM_H */ diff --git a/include/linux/dlm.h b/include/linux/dlm.h index d02da2c6fc1a..ff951e9f6f20 100644 --- a/include/linux/dlm.h +++ b/include/linux/dlm.h @@ -1,12 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /****************************************************************************** ******************************************************************************* ** ** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. ** Copyright (C) 2004-2011 Red Hat, Inc. All rights reserved. ** -** This copyrighted material is made available to anyone wishing to use, -** modify, copy, or redistribute it subject to the terms and conditions -** of the GNU General Public License v.2. ** ******************************************************************************* ******************************************************************************/ diff --git a/include/linux/dlm_plock.h b/include/linux/dlm_plock.h index 95ad387a7769..e6d76e8715a6 100644 --- a/include/linux/dlm_plock.h +++ b/include/linux/dlm_plock.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2005-2008 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License v.2. */ #ifndef __DLM_PLOCK_DOT_H__ #define __DLM_PLOCK_DOT_H__ diff --git a/include/linux/dm9000.h b/include/linux/dm9000.h index 841925fbfe8a..df0341dbb451 100644 --- a/include/linux/dm9000.h +++ b/include/linux/dm9000.h @@ -1,14 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* include/linux/dm9000.h * * Copyright (c) 2004 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * Header file for dm9000 platform data - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #ifndef __DM9000_PLATFORM_DATA diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index 58725f890b5b..9b84114f74ce 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Header file for dma buffer sharing framework. * @@ -8,18 +9,6 @@ * Arnd Bergmann <arnd@arndb.de>, Rob Clark <rob@ti.com> and * Daniel Vetter <daniel@ffwll.ch> for their support in creation and * refining of this idea. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __DMA_BUF_H__ #define __DMA_BUF_H__ diff --git a/include/linux/dma-contiguous.h b/include/linux/dma-contiguous.h index 6665fa03c0d1..c05d4e661489 100644 --- a/include/linux/dma-contiguous.h +++ b/include/linux/dma-contiguous.h @@ -50,6 +50,7 @@ #ifdef __KERNEL__ #include <linux/device.h> +#include <linux/mm.h> struct cma; struct page; @@ -111,6 +112,8 @@ struct page *dma_alloc_from_contiguous(struct device *dev, size_t count, unsigned int order, bool no_warn); bool dma_release_from_contiguous(struct device *dev, struct page *pages, int count); +struct page *dma_alloc_contiguous(struct device *dev, size_t size, gfp_t gfp); +void dma_free_contiguous(struct device *dev, struct page *page, size_t size); #else @@ -153,6 +156,22 @@ bool dma_release_from_contiguous(struct device *dev, struct page *pages, return false; } +/* Use fallback alloc() and free() when CONFIG_DMA_CMA=n */ +static inline struct page *dma_alloc_contiguous(struct device *dev, size_t size, + gfp_t gfp) +{ + int node = dev ? dev_to_node(dev) : NUMA_NO_NODE; + size_t align = get_order(PAGE_ALIGN(size)); + + return alloc_pages_node(node, gfp, align); +} + +static inline void dma_free_contiguous(struct device *dev, struct page *page, + size_t size) +{ + __free_pages(page, get_order(size)); +} + #endif #endif diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h index cb422cbe587d..4208f94d93f7 100644 --- a/include/linux/dma-debug.h +++ b/include/linux/dma-debug.h @@ -1,20 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2008 Advanced Micro Devices, Inc. * * Author: Joerg Roedel <joerg.roedel@amd.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __DMA_DEBUG_H diff --git a/include/linux/dma-fence-array.h b/include/linux/dma-fence-array.h index c0ff417b4770..303dd712220f 100644 --- a/include/linux/dma-fence-array.h +++ b/include/linux/dma-fence-array.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * fence-array: aggregates fence to be waited together * @@ -6,15 +7,6 @@ * Authors: * Gustavo Padovan <gustavo@padovan.org> * Christian König <christian.koenig@amd.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #ifndef __LINUX_DMA_FENCE_ARRAY_H diff --git a/include/linux/dma-fence-chain.h b/include/linux/dma-fence-chain.h index 934a442db8ac..10462a029da2 100644 --- a/include/linux/dma-fence-chain.h +++ b/include/linux/dma-fence-chain.h @@ -1,18 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * fence-chain: chain fences together in a timeline * * Copyright (C) 2018 Advanced Micro Devices, Inc. * Authors: * Christian König <christian.koenig@amd.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #ifndef __LINUX_DMA_FENCE_CHAIN_H diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h index 974717d6ac0c..05d29dbc7e62 100644 --- a/include/linux/dma-fence.h +++ b/include/linux/dma-fence.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Fence mechanism for dma-buf to allow for asynchronous dma access * @@ -7,15 +8,6 @@ * Authors: * Rob Clark <robdclark@gmail.com> * Maarten Lankhorst <maarten.lankhorst@canonical.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #ifndef __LINUX_DMA_FENCE_H diff --git a/include/linux/dma-iommu.h b/include/linux/dma-iommu.h index 476e0c54de2d..2112f21f73d8 100644 --- a/include/linux/dma-iommu.h +++ b/include/linux/dma-iommu.h @@ -1,74 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2014-2015 ARM Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __DMA_IOMMU_H #define __DMA_IOMMU_H -#ifdef __KERNEL__ +#include <linux/errno.h> #include <linux/types.h> -#include <asm/errno.h> #ifdef CONFIG_IOMMU_DMA #include <linux/dma-mapping.h> #include <linux/iommu.h> #include <linux/msi.h> -int iommu_dma_init(void); - /* Domain management interface for IOMMU drivers */ int iommu_get_dma_cookie(struct iommu_domain *domain); int iommu_get_msi_cookie(struct iommu_domain *domain, dma_addr_t base); void iommu_put_dma_cookie(struct iommu_domain *domain); /* Setup call for arch DMA mapping code */ -int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base, - u64 size, struct device *dev); - -/* General helpers for DMA-API <-> IOMMU-API interaction */ -int dma_info_to_prot(enum dma_data_direction dir, bool coherent, - unsigned long attrs); - -/* - * These implement the bulk of the relevant DMA mapping callbacks, but require - * the arch code to take care of attributes and cache maintenance - */ -struct page **iommu_dma_alloc(struct device *dev, size_t size, gfp_t gfp, - unsigned long attrs, int prot, dma_addr_t *handle, - void (*flush_page)(struct device *, const void *, phys_addr_t)); -void iommu_dma_free(struct device *dev, struct page **pages, size_t size, - dma_addr_t *handle); - -int iommu_dma_mmap(struct page **pages, size_t size, struct vm_area_struct *vma); - -dma_addr_t iommu_dma_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, int prot); -int iommu_dma_map_sg(struct device *dev, struct scatterlist *sg, - int nents, int prot); - -/* - * Arch code with no special attribute handling may use these - * directly as DMA mapping callbacks for simplicity - */ -void iommu_dma_unmap_page(struct device *dev, dma_addr_t handle, size_t size, - enum dma_data_direction dir, unsigned long attrs); -void iommu_dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir, unsigned long attrs); -dma_addr_t iommu_dma_map_resource(struct device *dev, phys_addr_t phys, - size_t size, enum dma_data_direction dir, unsigned long attrs); -void iommu_dma_unmap_resource(struct device *dev, dma_addr_t handle, - size_t size, enum dma_data_direction dir, unsigned long attrs); +void iommu_setup_dma_ops(struct device *dev, u64 dma_base, u64 size); /* The DMA API isn't _quite_ the whole story, though... */ /* @@ -86,16 +37,16 @@ void iommu_dma_compose_msi_msg(struct msi_desc *desc, void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list); -#else +#else /* CONFIG_IOMMU_DMA */ struct iommu_domain; struct msi_desc; struct msi_msg; struct device; -static inline int iommu_dma_init(void) +static inline void iommu_setup_dma_ops(struct device *dev, u64 dma_base, + u64 size) { - return 0; } static inline int iommu_get_dma_cookie(struct iommu_domain *domain) @@ -128,5 +79,4 @@ static inline void iommu_dma_get_resv_regions(struct device *dev, struct list_he } #endif /* CONFIG_IOMMU_DMA */ -#endif /* __KERNEL__ */ #endif /* __DMA_IOMMU_H */ diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 6309a721394b..8d13e28a8e07 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -729,13 +729,6 @@ static inline int dma_set_seg_boundary(struct device *dev, unsigned long mask) return -EIO; } -#ifndef dma_max_pfn -static inline unsigned long dma_max_pfn(struct device *dev) -{ - return (*dev->dma_mask >> PAGE_SHIFT) + dev->dma_pfn_offset; -} -#endif - static inline int dma_get_cache_alignment(void) { #ifdef ARCH_DMA_MINALIGN diff --git a/include/linux/dma-noncoherent.h b/include/linux/dma-noncoherent.h index 9741767e400f..3813211a9aad 100644 --- a/include/linux/dma-noncoherent.h +++ b/include/linux/dma-noncoherent.h @@ -20,6 +20,22 @@ static inline bool dev_is_dma_coherent(struct device *dev) } #endif /* CONFIG_ARCH_HAS_DMA_COHERENCE_H */ +/* + * Check if an allocation needs to be marked uncached to be coherent. + */ +static __always_inline bool dma_alloc_need_uncached(struct device *dev, + unsigned long attrs) +{ + if (dev_is_dma_coherent(dev)) + return false; + if (attrs & DMA_ATTR_NO_KERNEL_MAPPING) + return false; + if (IS_ENABLED(CONFIG_DMA_NONCOHERENT_CACHE_SYNC) && + (attrs & DMA_ATTR_NON_CONSISTENT)) + return false; + return true; +} + void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs); void arch_dma_free(struct device *dev, size_t size, void *cpu_addr, @@ -80,4 +96,7 @@ static inline void arch_dma_prep_coherent(struct page *page, size_t size) } #endif /* CONFIG_ARCH_HAS_DMA_PREP_COHERENT */ +void *uncached_kernel_address(void *addr); +void *cached_kernel_address(void *addr); + #endif /* _LINUX_DMA_NONCOHERENT_H */ diff --git a/include/linux/dma/hsu.h b/include/linux/dma/hsu.h index 197eec63e501..a6b7bc707356 100644 --- a/include/linux/dma/hsu.h +++ b/include/linux/dma/hsu.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Driver for the High Speed UART DMA * * Copyright (C) 2015 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef _DMA_HSU_H diff --git a/include/linux/dma/ipu-dma.h b/include/linux/dma/ipu-dma.h index 18031115c668..6969391580d2 100644 --- a/include/linux/dma/ipu-dma.h +++ b/include/linux/dma/ipu-dma.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2008 * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de> * * Copyright (C) 2005-2007 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_DMA_IPU_DMA_H diff --git a/include/linux/dma/qcom_bam_dma.h b/include/linux/dma/qcom_bam_dma.h index 077d43a358e5..68fc0e643b1b 100644 --- a/include/linux/dma/qcom_bam_dma.h +++ b/include/linux/dma/qcom_bam_dma.h @@ -1,14 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2016-2017, The Linux Foundation. All rights reserved. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef _QCOM_BAM_DMA_H diff --git a/include/linux/dmar.h b/include/linux/dmar.h index f8af1d770520..a7cf3599d9a1 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -1,19 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2006, Intel Corporation. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 Temple - * Place - Suite 330, Boston, MA 02111-1307 USA. - * * Copyright (C) Ashok Raj <ashok.raj@intel.com> * Copyright (C) Shaohua Li <shaohua.li@intel.com> */ @@ -104,12 +92,14 @@ static inline bool dmar_rcu_check(void) #define dmar_rcu_dereference(p) rcu_dereference_check((p), dmar_rcu_check()) -#define for_each_dev_scope(a, c, p, d) \ - for ((p) = 0; ((d) = (p) < (c) ? dmar_rcu_dereference((a)[(p)].dev) : \ - NULL, (p) < (c)); (p)++) +#define for_each_dev_scope(devs, cnt, i, tmp) \ + for ((i) = 0; ((tmp) = (i) < (cnt) ? \ + dmar_rcu_dereference((devs)[(i)].dev) : NULL, (i) < (cnt)); \ + (i)++) -#define for_each_active_dev_scope(a, c, p, d) \ - for_each_dev_scope((a), (c), (p), (d)) if (!(d)) { continue; } else +#define for_each_active_dev_scope(devs, cnt, i, tmp) \ + for_each_dev_scope((devs), (cnt), (i), (tmp)) \ + if (!(tmp)) { continue; } else extern int dmar_table_init(void); extern int dmar_dev_scope_init(void); diff --git a/include/linux/dns_resolver.h b/include/linux/dns_resolver.h index f2b3ae22e6b7..976cbbdb2832 100644 --- a/include/linux/dns_resolver.h +++ b/include/linux/dns_resolver.h @@ -26,7 +26,8 @@ #include <uapi/linux/dns_resolver.h> -extern int dns_query(const char *type, const char *name, size_t namelen, +struct net; +extern int dns_query(struct net *net, const char *type, const char *name, size_t namelen, const char *options, char **_result, time64_t *_expiry, bool invalidate); diff --git a/include/linux/dsa/8021q.h b/include/linux/dsa/8021q.h index 3911e0586478..0aa803c451a3 100644 --- a/include/linux/dsa/8021q.h +++ b/include/linux/dsa/8021q.h @@ -20,9 +20,6 @@ int dsa_port_setup_8021q_tagging(struct dsa_switch *ds, int index, struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev, u16 tpid, u16 tci); -struct sk_buff *dsa_8021q_rcv(struct sk_buff *skb, struct net_device *netdev, - struct packet_type *pt, u16 *tpid, u16 *tci); - u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port); u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port); @@ -31,6 +28,8 @@ int dsa_8021q_rx_switch_id(u16 vid); int dsa_8021q_rx_source_port(u16 vid); +struct sk_buff *dsa_8021q_remove_header(struct sk_buff *skb); + #else int dsa_port_setup_8021q_tagging(struct dsa_switch *ds, int index, @@ -45,12 +44,6 @@ struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev, return NULL; } -struct sk_buff *dsa_8021q_rcv(struct sk_buff *skb, struct net_device *netdev, - struct packet_type *pt, u16 *tpid, u16 *tci) -{ - return NULL; -} - u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port) { return 0; @@ -71,6 +64,11 @@ int dsa_8021q_rx_source_port(u16 vid) return 0; } +struct sk_buff *dsa_8021q_remove_header(struct sk_buff *skb) +{ + return NULL; +} + #endif /* IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q) */ #endif /* _NET_DSA_8021Q_H */ diff --git a/include/linux/dsa/sja1105.h b/include/linux/dsa/sja1105.h index 603a02e5a8cb..79435cfc20eb 100644 --- a/include/linux/dsa/sja1105.h +++ b/include/linux/dsa/sja1105.h @@ -12,6 +12,7 @@ #include <net/dsa.h> #define ETH_P_SJA1105 ETH_P_DSA_8021Q +#define ETH_P_SJA1105_META 0x0008 /* IEEE 802.3 Annex 57A: Slow Protocols PDUs (01:80:C2:xx:xx:xx) */ #define SJA1105_LINKLOCAL_FILTER_A 0x0180C2000000ull @@ -20,20 +21,41 @@ #define SJA1105_LINKLOCAL_FILTER_B 0x011B19000000ull #define SJA1105_LINKLOCAL_FILTER_B_MASK 0xFFFFFF000000ull -enum sja1105_frame_type { - SJA1105_FRAME_TYPE_NORMAL = 0, - SJA1105_FRAME_TYPE_LINK_LOCAL, +/* Source and Destination MAC of follow-up meta frames. + * Whereas the choice of SMAC only affects the unique identification of the + * switch as sender of meta frames, the DMAC must be an address that is present + * in the DSA master port's multicast MAC filter. + * 01-80-C2-00-00-0E is a good choice for this, as all profiles of IEEE 1588 + * over L2 use this address for some purpose already. + */ +#define SJA1105_META_SMAC 0x222222222222ull +#define SJA1105_META_DMAC 0x0180C200000Eull + +/* Global tagger data: each struct sja1105_port has a reference to + * the structure defined in struct sja1105_private. + */ +struct sja1105_tagger_data { + struct sk_buff_head skb_rxtstamp_queue; + struct work_struct rxtstamp_work; + struct sk_buff *stampable_skb; + /* Protects concurrent access to the meta state machine + * from taggers running on multiple ports on SMP systems + */ + spinlock_t meta_lock; + bool hwts_rx_en; }; struct sja1105_skb_cb { - enum sja1105_frame_type type; + u32 meta_tstamp; }; #define SJA1105_SKB_CB(skb) \ ((struct sja1105_skb_cb *)DSA_SKB_CB_PRIV(skb)) struct sja1105_port { + struct sja1105_tagger_data *data; struct dsa_port *dp; + bool hwts_tx_en; int mgmt_slot; }; diff --git a/include/linux/dw_apb_timer.h b/include/linux/dw_apb_timer.h index 4334106f44c3..14f072edbca5 100644 --- a/include/linux/dw_apb_timer.h +++ b/include/linux/dw_apb_timer.h @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * (C) Copyright 2009 Intel Corporation * Author: Jacob Pan (jacob.jun.pan@intel.com) * * Shared with ARM platforms, Jamie Iles, Picochip 2011 * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Support for the Synopsys DesignWare APB Timers. */ #ifndef __DW_APB_TIMER_H__ diff --git a/include/linux/edd.h b/include/linux/edd.h index 83d4371ec996..1c16fbcb81c0 100644 --- a/include/linux/edd.h +++ b/include/linux/edd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/include/linux/edd.h * Copyright (C) 2002, 2003, 2004 Dell Inc. @@ -16,16 +17,6 @@ * transferred into the edd structure, and in drivers/firmware/edd.c, that * information is used to identify BIOS boot disk. The code in setup.S * is very sensitive to the size of these structures. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License v2.0 as published by - * the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef _LINUX_EDD_H #define _LINUX_EDD_H diff --git a/include/linux/eeprom_93cx6.h b/include/linux/eeprom_93cx6.h index eb0b1988050a..c860c72a921d 100644 --- a/include/linux/eeprom_93cx6.h +++ b/include/linux/eeprom_93cx6.h @@ -1,21 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Copyright (C) 2004 - 2006 rt2x00 SourceForge Project <http://rt2x00.serialmonkey.com> - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the - Free Software Foundation, Inc., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* diff --git a/include/linux/efi.h b/include/linux/efi.h index 6ebc2098cfe1..f87fabea4a85 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -689,6 +689,7 @@ void efi_native_runtime_setup(void); #define LINUX_EFI_LOADER_ENTRY_GUID EFI_GUID(0x4a67b082, 0x0a4c, 0x41cf, 0xb6, 0xc7, 0x44, 0x0b, 0x29, 0xbb, 0x8c, 0x4f) #define LINUX_EFI_RANDOM_SEED_TABLE_GUID EFI_GUID(0x1ce1e5bc, 0x7ceb, 0x42f2, 0x81, 0xe5, 0x8a, 0xad, 0xf1, 0x80, 0xf5, 0x7b) #define LINUX_EFI_TPM_EVENT_LOG_GUID EFI_GUID(0xb7799cb0, 0xeca2, 0x4943, 0x96, 0x67, 0x1f, 0xae, 0x07, 0xb7, 0x47, 0xfa) +#define LINUX_EFI_TPM_FINAL_LOG_GUID EFI_GUID(0x1e2ed096, 0x30e2, 0x4254, 0xbd, 0x89, 0x86, 0x3b, 0xbe, 0xf8, 0x23, 0x25) #define LINUX_EFI_MEMRESERVE_TABLE_GUID EFI_GUID(0x888eb0c6, 0x8ede, 0x4ff5, 0xa8, 0xf0, 0x9a, 0xee, 0x5c, 0xb9, 0x77, 0xc2) typedef struct { @@ -996,6 +997,7 @@ extern struct efi { unsigned long mem_attr_table; /* memory attributes table */ unsigned long rng_seed; /* UEFI firmware random seed */ unsigned long tpm_log; /* TPM2 Event Log table */ + unsigned long tpm_final_log; /* TPM2 Final Events Log table */ unsigned long mem_reserve; /* Linux EFI memreserve table */ efi_get_time_t *get_time; efi_set_time_t *set_time; @@ -1706,12 +1708,20 @@ struct linux_efi_random_seed { struct linux_efi_tpm_eventlog { u32 size; + u32 final_events_preboot_size; u8 version; u8 log[]; }; extern int efi_tpm_eventlog_init(void); +struct efi_tcg2_final_events_table { + u64 version; + u64 nr_events; + u8 events[]; +}; +extern int efi_tpm_final_log_size; + /* * efi_runtime_service() function identifiers. * "NONE" is used by efi_recover_from_page_fault() to check if the page diff --git a/include/linux/elevator.h b/include/linux/elevator.h index 6e8bc53740f0..169bb2e02516 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -34,7 +34,7 @@ struct elevator_mq_ops { void (*depth_updated)(struct blk_mq_hw_ctx *); bool (*allow_merge)(struct request_queue *, struct request *, struct bio *); - bool (*bio_merge)(struct blk_mq_hw_ctx *, struct bio *); + bool (*bio_merge)(struct blk_mq_hw_ctx *, struct bio *, unsigned int); int (*request_merge)(struct request_queue *q, struct request **, struct bio *); void (*request_merged)(struct request_queue *, struct request *, enum elv_merge); void (*requests_merged)(struct request_queue *, struct request *, struct request *); diff --git a/include/linux/elf-fdpic.h b/include/linux/elf-fdpic.h index 386440317b0c..3bea95a1af53 100644 --- a/include/linux/elf-fdpic.h +++ b/include/linux/elf-fdpic.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* FDPIC ELF load map * * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_ELF_FDPIC_H diff --git a/include/linux/enclosure.h b/include/linux/enclosure.h index a4cf57cd0f75..564e96f625ff 100644 --- a/include/linux/enclosure.h +++ b/include/linux/enclosure.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Enclosure Services * @@ -5,18 +6,6 @@ * **----------------------------------------------------------------------------- ** -** This program is free software; you can redistribute it and/or -** modify it under the terms of the GNU General Public License -** version 2 as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -** GNU General Public License for more details. -** -** You should have received a copy of the GNU General Public License -** along with this program; if not, write to the Free Software -** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. ** **----------------------------------------------------------------------------- */ diff --git a/include/linux/energy_model.h b/include/linux/energy_model.h index aa027f7bcb3e..73f8c3cb9588 100644 --- a/include/linux/energy_model.h +++ b/include/linux/energy_model.h @@ -89,7 +89,7 @@ static inline unsigned long em_pd_energy(struct em_perf_domain *pd, * like schedutil. */ cpu = cpumask_first(to_cpumask(pd->cpus)); - scale_cpu = arch_scale_cpu_capacity(NULL, cpu); + scale_cpu = arch_scale_cpu_capacity(cpu); cs = &pd->table[pd->nr_cap_states - 1]; freq = map_util_freq(max_util, cs->frequency, scale_cpu); diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h index 25c0d049336f..f6564b572d77 100644 --- a/include/linux/etherdevice.h +++ b/include/linux/etherdevice.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. NET is implemented using the BSD Socket @@ -12,12 +13,6 @@ * * Relocated to include/linux where it belongs by Alan Cox * <gw4pts@gw4pts.ampr.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * */ #ifndef _LINUX_ETHERDEVICE_H #define _LINUX_ETHERDEVICE_H diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index e6ebc9761822..95991e4300bf 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -260,6 +260,15 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, * will remain unchanged. * Returns a negative error code or zero. An error code must be returned * if at least one unsupported change was requested. + * @get_rxfh_context: Get the contents of the RX flow hash indirection table, + * hash key, and/or hash function assiciated to the given rss context. + * Returns a negative error code or zero. + * @set_rxfh_context: Create, remove and configure RSS contexts. Allows setting + * the contents of the RX flow hash indirection table, hash key, and/or + * hash function associated to the given context. Arguments which are set + * to %NULL or zero will remain unchanged. + * Returns a negative error code or zero. An error code must be returned + * if at least one unsupported change was requested. * @get_channels: Get number of channels. * @set_channels: Set number of channels. Returns a negative error code or * zero. diff --git a/include/linux/eventpoll.h b/include/linux/eventpoll.h index 2f14ac73d01d..bc6d79b00c4e 100644 --- a/include/linux/eventpoll.h +++ b/include/linux/eventpoll.h @@ -1,14 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/linux/eventpoll.h ( Efficient event polling implementation ) * Copyright (C) 2001,...,2006 Davide Libenzi * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * Davide Libenzi <davidel@xmailserver.org> - * */ #ifndef _LINUX_EVENTPOLL_H #define _LINUX_EVENTPOLL_H diff --git a/include/linux/extcon-provider.h b/include/linux/extcon-provider.h index 2feca5881fa7..1c143d200caa 100644 --- a/include/linux/extcon-provider.h +++ b/include/linux/extcon-provider.h @@ -1,18 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * External Connector (extcon) framework * - linux/include/linux/extcon-provider.h for extcon provider device driver. * * Copyright (C) 2017 Samsung Electronics * Author: Chanwoo Choi <cw00.choi@samsung.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef __LINUX_EXTCON_PROVIDER_H__ diff --git a/include/linux/extcon.h b/include/linux/extcon.h index 7f033b1ea568..2bdf643d8593 100644 --- a/include/linux/extcon.h +++ b/include/linux/extcon.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * External Connector (extcon) framework * - linux/include/linux/extcon.h for extcon consumer device driver. @@ -12,15 +13,6 @@ * based on switch class driver * Copyright (C) 2008 Google, Inc. * Author: Mike Lockwood <lockwood@android.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef __LINUX_EXTCON_H__ diff --git a/include/linux/extcon/extcon-adc-jack.h b/include/linux/extcon/extcon-adc-jack.h index 2aa32075bca1..19b437e9c080 100644 --- a/include/linux/extcon/extcon-adc-jack.h +++ b/include/linux/extcon/extcon-adc-jack.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * include/linux/extcon/extcon-adc-jack.h * @@ -5,11 +6,6 @@ * * Copyright (C) 2012 Samsung Electronics * MyungJoo Ham <myungjoo.ham@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #ifndef _EXTCON_ADC_JACK_H_ diff --git a/include/linux/fault-inject.h b/include/linux/fault-inject.h index 7e6c77740413..e525f6957c49 100644 --- a/include/linux/fault-inject.h +++ b/include/linux/fault-inject.h @@ -11,7 +11,7 @@ /* * For explanation of the elements of this struct, see - * Documentation/fault-injection/fault-injection.txt + * Documentation/fault-injection/fault-injection.rst */ struct fault_attr { unsigned long probability; diff --git a/include/linux/fb.h b/include/linux/fb.h index f52ef0ad6781..303771264644 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -126,39 +126,15 @@ struct fb_cursor_user { /* The resolution of the passed in fb_info about to change */ #define FB_EVENT_MODE_CHANGE 0x01 -/* The display on this fb_info is being suspended, no access to the - * framebuffer is allowed any more after that call returns - */ -#define FB_EVENT_SUSPEND 0x02 -/* The display on this fb_info was resumed, you can restore the display - * if you own it - */ -#define FB_EVENT_RESUME 0x03 -/* An entry from the modelist was removed */ -#define FB_EVENT_MODE_DELETE 0x04 -/* A driver registered itself */ + +#ifdef CONFIG_GUMSTIX_AM200EPD +/* only used by mach-pxa/am200epd.c */ #define FB_EVENT_FB_REGISTERED 0x05 -/* A driver unregistered itself */ #define FB_EVENT_FB_UNREGISTERED 0x06 -/* CONSOLE-SPECIFIC: get console to framebuffer mapping */ -#define FB_EVENT_GET_CONSOLE_MAP 0x07 -/* CONSOLE-SPECIFIC: set console to framebuffer mapping */ -#define FB_EVENT_SET_CONSOLE_MAP 0x08 -/* A hardware display blank change occurred */ +#endif + +/* A display blank is requested */ #define FB_EVENT_BLANK 0x09 -/* Private modelist is to be replaced */ -#define FB_EVENT_NEW_MODELIST 0x0A -/* The resolution of the passed in fb_info about to change and - all vc's should be changed */ -#define FB_EVENT_MODE_CHANGE_ALL 0x0B -/* A software display blank change occurred */ -#define FB_EVENT_CONBLANK 0x0C -/* Get drawing requirements */ -#define FB_EVENT_GET_REQ 0x0D -/* Unbind from the console if possible */ -#define FB_EVENT_FB_UNBIND 0x0E -/* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga_switcheroo */ -#define FB_EVENT_REMAP_ALL_CONSOLE 0x0F /* A hardware display blank early change occurred */ #define FB_EARLY_EVENT_BLANK 0x10 /* A hardware display blank revert early change occurred */ @@ -633,8 +609,8 @@ extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf, /* drivers/video/fbmem.c */ extern int register_framebuffer(struct fb_info *fb_info); -extern int unregister_framebuffer(struct fb_info *fb_info); -extern int unlink_framebuffer(struct fb_info *fb_info); +extern void unregister_framebuffer(struct fb_info *fb_info); +extern void unlink_framebuffer(struct fb_info *fb_info); extern int remove_conflicting_pci_framebuffers(struct pci_dev *pdev, int res_id, const char *name); extern int remove_conflicting_framebuffers(struct apertures_struct *a, @@ -660,7 +636,10 @@ extern struct class *fb_class; for (i = 0; i < FB_MAX; i++) \ if (!registered_fb[i]) {} else -extern int lock_fb_info(struct fb_info *info); +static inline void lock_fb_info(struct fb_info *info) +{ + mutex_lock(&info->lock); +} static inline void unlock_fb_info(struct fb_info *info) { diff --git a/include/linux/fbcon.h b/include/linux/fbcon.h index f68a7db14165..ff5596dd30f8 100644 --- a/include/linux/fbcon.h +++ b/include/linux/fbcon.h @@ -4,9 +4,39 @@ #ifdef CONFIG_FRAMEBUFFER_CONSOLE void __init fb_console_init(void); void __exit fb_console_exit(void); +int fbcon_fb_registered(struct fb_info *info); +void fbcon_fb_unregistered(struct fb_info *info); +void fbcon_fb_unbind(struct fb_info *info); +void fbcon_suspended(struct fb_info *info); +void fbcon_resumed(struct fb_info *info); +int fbcon_mode_deleted(struct fb_info *info, + struct fb_videomode *mode); +void fbcon_new_modelist(struct fb_info *info); +void fbcon_get_requirement(struct fb_info *info, + struct fb_blit_caps *caps); +void fbcon_fb_blanked(struct fb_info *info, int blank); +void fbcon_update_vcs(struct fb_info *info, bool all); +void fbcon_remap_all(struct fb_info *info); +int fbcon_set_con2fb_map_ioctl(void __user *argp); +int fbcon_get_con2fb_map_ioctl(void __user *argp); #else static inline void fb_console_init(void) {} static inline void fb_console_exit(void) {} +static inline int fbcon_fb_registered(struct fb_info *info) { return 0; } +static inline void fbcon_fb_unregistered(struct fb_info *info) {} +static inline void fbcon_fb_unbind(struct fb_info *info) {} +static inline void fbcon_suspended(struct fb_info *info) {} +static inline void fbcon_resumed(struct fb_info *info) {} +static inline int fbcon_mode_deleted(struct fb_info *info, + struct fb_videomode *mode) { return 0; } +static inline void fbcon_new_modelist(struct fb_info *info) {} +static inline void fbcon_get_requirement(struct fb_info *info, + struct fb_blit_caps *caps) {} +static inline void fbcon_fb_blanked(struct fb_info *info, int blank) {} +static inline void fbcon_update_vcs(struct fb_info *info, bool all) {} +static inline void fbcon_remap_all(struct fb_info *info) {} +static inline int fbcon_set_con2fb_map_ioctl(void __user *argp) { return 0; } +static inline int fbcon_get_con2fb_map_ioctl(void __user *argp) { return 0; } #endif #endif /* _LINUX_FBCON_H */ diff --git a/include/linux/fcdevice.h b/include/linux/fcdevice.h index 5009fa16b5d8..3d14ebe59dc9 100644 --- a/include/linux/fcdevice.h +++ b/include/linux/fcdevice.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. NET is implemented using the BSD Socket @@ -12,13 +13,7 @@ * Relocated to include/linux where it belongs by Alan Cox * <gw4pts@gw4pts.ampr.org> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * * WARNING: This move may well be temporary. This file will get merged with others RSN. - * */ #ifndef _LINUX_FCDEVICE_H #define _LINUX_FCDEVICE_H diff --git a/include/linux/fddidevice.h b/include/linux/fddidevice.h index 32c22cfb238b..906ee446db92 100644 --- a/include/linux/fddidevice.h +++ b/include/linux/fddidevice.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -13,11 +14,6 @@ * Ross Biro * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> * Alan Cox, <gw4pts@gw4pts.ampr.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_FDDIDEVICE_H #define _LINUX_FDDIDEVICE_H diff --git a/include/linux/fec.h b/include/linux/fec.h index 1454a503622d..9aaf53f07269 100644 --- a/include/linux/fec.h +++ b/include/linux/fec.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* include/linux/fec.h * * Copyright (c) 2009 Orex Computed Radiography @@ -6,10 +7,6 @@ * Copyright (C) 2010 Freescale Semiconductor, Inc. * * Header file for the FEC platform data - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_FEC_H__ #define __LINUX_FEC_H__ diff --git a/include/linux/filter.h b/include/linux/filter.h index 7148bab96943..6d944369ca87 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -160,6 +160,20 @@ struct ctl_table_header; .off = 0, \ .imm = IMM }) +/* Special form of mov32, used for doing explicit zero extension on dst. */ +#define BPF_ZEXT_REG(DST) \ + ((struct bpf_insn) { \ + .code = BPF_ALU | BPF_MOV | BPF_X, \ + .dst_reg = DST, \ + .src_reg = DST, \ + .off = 0, \ + .imm = 1 }) + +static inline bool insn_is_zext(const struct bpf_insn *insn) +{ + return insn->code == (BPF_ALU | BPF_MOV | BPF_X) && insn->imm == 1; +} + /* BPF_LD_IMM64 macro encodes single 'load 64-bit immediate' insn */ #define BPF_LD_IMM64(DST, IMM) \ BPF_LD_IMM64_RAW(DST, 0, IMM) @@ -512,7 +526,8 @@ struct bpf_prog { blinded:1, /* Was blinded */ is_func:1, /* program is a bpf function */ kprobe_override:1, /* Do we override a kprobe? */ - has_callchain_buf:1; /* callchain buffer allocated? */ + has_callchain_buf:1, /* callchain buffer allocated? */ + enforce_expected_attach_type:1; /* Enforce expected_attach_type checking at attach time */ enum bpf_prog_type type; /* Type of BPF program */ enum bpf_attach_type expected_attach_type; /* For some prog types */ u32 len; /* Number of filter blocks */ @@ -563,8 +578,9 @@ struct bpf_skb_data_end { }; struct bpf_redirect_info { - u32 ifindex; u32 flags; + u32 tgt_index; + void *tgt_value; struct bpf_map *map; struct bpf_map *map_to_flush; u32 kern_flags; @@ -731,6 +747,12 @@ bpf_ctx_narrow_access_ok(u32 off, u32 size, u32 size_default) return size <= size_default && (size & (size - 1)) == 0; } +#define bpf_ctx_wide_store_ok(off, size, type, field) \ + (size == sizeof(__u64) && \ + off >= offsetof(type, field) && \ + off + sizeof(__u64) <= offsetofend(type, field) && \ + off % sizeof(__u64) == 0) + #define bpf_classic_proglen(fprog) (fprog->len * sizeof(fprog->filter[0])) static inline void bpf_prog_lock_ro(struct bpf_prog *fp) @@ -811,6 +833,7 @@ u64 __bpf_call_base(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5); struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog); void bpf_jit_compile(struct bpf_prog *prog); +bool bpf_jit_needs_zext(void); bool bpf_helper_changes_pkt_data(void *func); static inline bool bpf_dump_raw_ok(void) @@ -1183,4 +1206,14 @@ struct bpf_sysctl_kern { u64 tmp_reg; }; +struct bpf_sockopt_kern { + struct sock *sk; + u8 *optval; + u8 *optval_end; + s32 level; + s32 optname; + s32 optlen; + s32 retval; +}; + #endif /* __LINUX_FILTER_H__ */ diff --git a/include/linux/firmware-map.h b/include/linux/firmware-map.h index 71d4fa721db9..3e1077e99002 100644 --- a/include/linux/firmware-map.h +++ b/include/linux/firmware-map.h @@ -1,17 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * include/linux/firmware-map.h: * Copyright (C) 2008 SUSE LINUX Products GmbH * by Bernhard Walle <bernhard.walle@gmx.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License v2.0 as published by - * the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef _LINUX_FIRMWARE_MAP_H #define _LINUX_FIRMWARE_MAP_H diff --git a/include/linux/firmware/meson/meson_sm.h b/include/linux/firmware/meson/meson_sm.h index f98c20dd266e..7613bf7c9442 100644 --- a/include/linux/firmware/meson/meson_sm.h +++ b/include/linux/firmware/meson/meson_sm.h @@ -1,13 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2016 Endless Mobile, Inc. * Author: Carlo Caione <carlo@endlessm.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef _MESON_SM_FW_H_ diff --git a/include/linux/firmware/trusted_foundations.h b/include/linux/firmware/trusted_foundations.h index 4064e7c74715..2549a2db56aa 100644 --- a/include/linux/firmware/trusted_foundations.h +++ b/include/linux/firmware/trusted_foundations.h @@ -1,15 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) 2013, NVIDIA Corporation. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ /* diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 1262ea6a1f4b..778abbbc7d94 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -46,7 +46,6 @@ #define ZYNQMP_PM_CAPABILITY_ACCESS 0x1U #define ZYNQMP_PM_CAPABILITY_CONTEXT 0x2U #define ZYNQMP_PM_CAPABILITY_WAKEUP 0x4U -#define ZYNQMP_PM_CAPABILITY_POWER 0x8U /* * Firmware FPGA Manager flags diff --git a/include/linux/fixp-arith.h b/include/linux/fixp-arith.h index d4686fe1cac7..8396013785ef 100644 --- a/include/linux/fixp-arith.h +++ b/include/linux/fixp-arith.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef _FIXP_ARITH_H #define _FIXP_ARITH_H @@ -11,19 +12,6 @@ */ /* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Should you need to contact me, the author, you can do so by * e-mail - mail your message to <johann.deneux@gmail.com> diff --git a/include/linux/flat.h b/include/linux/flat.h index 569b67d64d5c..83977c0ce3de 100644 --- a/include/linux/flat.h +++ b/include/linux/flat.h @@ -10,8 +10,41 @@ #ifndef _LINUX_FLAT_H #define _LINUX_FLAT_H -#include <uapi/linux/flat.h> -#include <asm/flat.h> +#define FLAT_VERSION 0x00000004L + +/* + * To make everything easier to port and manage cross platform + * development, all fields are in network byte order. + */ + +struct flat_hdr { + char magic[4]; + __be32 rev; /* version (as above) */ + __be32 entry; /* Offset of first executable instruction + with text segment from beginning of file */ + __be32 data_start; /* Offset of data segment from beginning of + file */ + __be32 data_end; /* Offset of end of data segment from beginning + of file */ + __be32 bss_end; /* Offset of end of bss segment from beginning + of file */ + + /* (It is assumed that data_end through bss_end forms the bss segment.) */ + + __be32 stack_size; /* Size of stack, in bytes */ + __be32 reloc_start; /* Offset of relocation records from beginning of + file */ + __be32 reloc_count; /* Number of relocation records */ + __be32 flags; + __be32 build_date; /* When the program/library was built */ + __u32 filler[5]; /* Reservered, set to zero */ +}; + +#define FLAT_FLAG_RAM 0x0001 /* load program entirely into RAM */ +#define FLAT_FLAG_GOTPIC 0x0002 /* program is PIC with GOT */ +#define FLAT_FLAG_GZIP 0x0004 /* all but the header is compressed */ +#define FLAT_FLAG_GZDATA 0x0008 /* only data/relocs are compressed (for XIP) */ +#define FLAT_FLAG_KTRACE 0x0010 /* output useful kernel trace for debugging */ /* * While it would be nice to keep this header clean, users of older @@ -22,28 +55,21 @@ * with the format above, except to fix bugs with old format support. */ -#include <asm/byteorder.h> - #define OLD_FLAT_VERSION 0x00000002L #define OLD_FLAT_RELOC_TYPE_TEXT 0 #define OLD_FLAT_RELOC_TYPE_DATA 1 #define OLD_FLAT_RELOC_TYPE_BSS 2 typedef union { - unsigned long value; + u32 value; struct { -# if defined(mc68000) && !defined(CONFIG_COLDFIRE) - signed long offset : 30; - unsigned long type : 2; -# define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */ +#if defined(__LITTLE_ENDIAN_BITFIELD) || \ + (defined(mc68000) && !defined(CONFIG_COLDFIRE)) + s32 offset : 30; + u32 type : 2; # elif defined(__BIG_ENDIAN_BITFIELD) - unsigned long type : 2; - signed long offset : 30; -# define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */ -# elif defined(__LITTLE_ENDIAN_BITFIELD) - signed long offset : 30; - unsigned long type : 2; -# define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */ + u32 type : 2; + s32 offset : 30; # else # error "Unknown bitfield order for flat files." # endif diff --git a/include/linux/fmc-sdb.h b/include/linux/fmc-sdb.h deleted file mode 100644 index bec899f0867c..000000000000 --- a/include/linux/fmc-sdb.h +++ /dev/null @@ -1,39 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * This file is separate from sdb.h, because I want that one to remain - * unchanged (as far as possible) from the official sdb distribution - * - * This file and associated functionality are a playground for me to - * understand stuff which will later be implemented in more generic places. - */ -#include <linux/sdb.h> - -/* This is the union of all currently defined types */ -union sdb_record { - struct sdb_interconnect ic; - struct sdb_device dev; - struct sdb_bridge bridge; - struct sdb_integration integr; - struct sdb_empty empty; - struct sdb_synthesis synthesis; - struct sdb_repo_url repo_url; -}; - -struct fmc_device; - -/* Every sdb table is turned into this structure */ -struct sdb_array { - int len; - int level; - unsigned long baseaddr; - struct fmc_device *fmc; /* the device that hosts it */ - struct sdb_array *parent; /* NULL at root */ - union sdb_record *record; /* copies of the struct */ - struct sdb_array **subtree; /* only valid for bridge items */ -}; - -extern int fmc_scan_sdb_tree(struct fmc_device *fmc, unsigned long address); -extern void fmc_show_sdb_tree(const struct fmc_device *fmc); -extern signed long fmc_find_sdb_device(struct sdb_array *tree, uint64_t vendor, - uint32_t device, unsigned long *sz); -extern int fmc_free_sdb_tree(struct fmc_device *fmc); diff --git a/include/linux/fmc.h b/include/linux/fmc.h deleted file mode 100644 index b355f3806f3f..000000000000 --- a/include/linux/fmc.h +++ /dev/null @@ -1,269 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright (C) 2012 CERN (www.cern.ch) - * Author: Alessandro Rubini <rubini@gnudd.com> - * - * This work is part of the White Rabbit project, a research effort led - * by CERN, the European Institute for Nuclear Research. - */ -#ifndef __LINUX_FMC_H__ -#define __LINUX_FMC_H__ -#include <linux/types.h> -#include <linux/moduleparam.h> -#include <linux/device.h> -#include <linux/list.h> -#include <linux/interrupt.h> -#include <linux/io.h> - -struct fmc_device; -struct fmc_driver; - -/* - * This bus abstraction is developed separately from drivers, so we need - * to check the version of the data structures we receive. - */ - -#define FMC_MAJOR 3 -#define FMC_MINOR 0 -#define FMC_VERSION ((FMC_MAJOR << 16) | FMC_MINOR) -#define __FMC_MAJOR(x) ((x) >> 16) -#define __FMC_MINOR(x) ((x) & 0xffff) - -/* - * The device identification, as defined by the IPMI FRU (Field Replaceable - * Unit) includes four different strings to describe the device. Here we - * only match the "Board Manufacturer" and the "Board Product Name", - * ignoring the "Board Serial Number" and "Board Part Number". All 4 are - * expected to be strings, so they are treated as zero-terminated C strings. - * Unspecified string (NULL) means "any", so if both are unspecified this - * is a catch-all driver. So null entries are allowed and we use array - * and length. This is unlike pci and usb that use null-terminated arrays - */ -struct fmc_fru_id { - char *manufacturer; - char *product_name; -}; - -/* - * If the FPGA is already programmed (think Etherbone or the second - * SVEC slot), we can match on SDB devices in the memory image. This - * match uses an array of devices that must all be present, and the - * match is based on vendor and device only. Further checks are expected - * to happen in the probe function. Zero means "any" and catch-all is allowed. - */ -struct fmc_sdb_one_id { - uint64_t vendor; - uint32_t device; -}; -struct fmc_sdb_id { - struct fmc_sdb_one_id *cores; - int cores_nr; -}; - -struct fmc_device_id { - struct fmc_fru_id *fru_id; - int fru_id_nr; - struct fmc_sdb_id *sdb_id; - int sdb_id_nr; -}; - -/* This sizes the module_param_array used by generic module parameters */ -#define FMC_MAX_CARDS 32 - -/* The driver is a pretty simple thing */ -struct fmc_driver { - unsigned long version; - struct device_driver driver; - int (*probe)(struct fmc_device *); - int (*remove)(struct fmc_device *); - const struct fmc_device_id id_table; - /* What follows is for generic module parameters */ - int busid_n; - int busid_val[FMC_MAX_CARDS]; - int gw_n; - char *gw_val[FMC_MAX_CARDS]; -}; -#define to_fmc_driver(x) container_of((x), struct fmc_driver, driver) - -/* These are the generic parameters, that drivers may instantiate */ -#define FMC_PARAM_BUSID(_d) \ - module_param_array_named(busid, _d.busid_val, int, &_d.busid_n, 0444) -#define FMC_PARAM_GATEWARE(_d) \ - module_param_array_named(gateware, _d.gw_val, charp, &_d.gw_n, 0444) - -/* - * Drivers may need to configure gpio pins in the carrier. To read input - * (a very uncommon operation, and definitely not in the hot paths), just - * configure one gpio only and get 0 or 1 as retval of the config method - */ -struct fmc_gpio { - char *carrier_name; /* name or NULL for virtual pins */ - int gpio; - int _gpio; /* internal use by the carrier */ - int mode; /* GPIOF_DIR_OUT etc, from <linux/gpio.h> */ - int irqmode; /* IRQF_TRIGGER_LOW and so on */ -}; - -/* The numbering of gpio pins allows access to raw pins or virtual roles */ -#define FMC_GPIO_RAW(x) (x) /* 4096 of them */ -#define __FMC_GPIO_IS_RAW(x) ((x) < 0x1000) -#define FMC_GPIO_IRQ(x) ((x) + 0x1000) /* 256 of them */ -#define FMC_GPIO_LED(x) ((x) + 0x1100) /* 256 of them */ -#define FMC_GPIO_KEY(x) ((x) + 0x1200) /* 256 of them */ -#define FMC_GPIO_TP(x) ((x) + 0x1300) /* 256 of them */ -#define FMC_GPIO_USER(x) ((x) + 0x1400) /* 256 of them */ -/* We may add SCL and SDA, or other roles if the need arises */ - -/* GPIOF_DIR_IN etc are missing before 3.0. copy from <linux/gpio.h> */ -#ifndef GPIOF_DIR_IN -# define GPIOF_DIR_OUT (0 << 0) -# define GPIOF_DIR_IN (1 << 0) -# define GPIOF_INIT_LOW (0 << 1) -# define GPIOF_INIT_HIGH (1 << 1) -#endif - -/* - * The operations are offered by each carrier and should make driver - * design completely independent of the carrier. Named GPIO pins may be - * the exception. - */ -struct fmc_operations { - uint32_t (*read32)(struct fmc_device *fmc, int offset); - void (*write32)(struct fmc_device *fmc, uint32_t value, int offset); - int (*validate)(struct fmc_device *fmc, struct fmc_driver *drv); - int (*reprogram_raw)(struct fmc_device *f, struct fmc_driver *d, - void *gw, unsigned long len); - int (*reprogram)(struct fmc_device *f, struct fmc_driver *d, char *gw); - int (*irq_request)(struct fmc_device *fmc, irq_handler_t h, - char *name, int flags); - void (*irq_ack)(struct fmc_device *fmc); - int (*irq_free)(struct fmc_device *fmc); - int (*gpio_config)(struct fmc_device *fmc, struct fmc_gpio *gpio, - int ngpio); - int (*read_ee)(struct fmc_device *fmc, int pos, void *d, int l); - int (*write_ee)(struct fmc_device *fmc, int pos, const void *d, int l); -}; - -/* Prefer this helper rather than calling of fmc->reprogram directly */ -int fmc_reprogram_raw(struct fmc_device *fmc, struct fmc_driver *d, - void *gw, unsigned long len, int sdb_entry); -extern int fmc_reprogram(struct fmc_device *f, struct fmc_driver *d, char *gw, - int sdb_entry); - -/* - * The device reports all information needed to access hw. - * - * If we have eeprom_len and not contents, the core reads it. - * Then, parsing of identifiers is done by the core which fills fmc_fru_id.. - * Similarly a device that must be matched based on SDB cores must - * fill the entry point and the core will scan the bus (FIXME: sdb match) - */ -struct fmc_device { - unsigned long version; - unsigned long flags; - struct module *owner; /* char device must pin it */ - struct fmc_fru_id id; /* for EEPROM-based match */ - struct fmc_operations *op; /* carrier-provided */ - int irq; /* according to host bus. 0 == none */ - int eeprom_len; /* Usually 8kB, may be less */ - int eeprom_addr; /* 0x50, 0x52 etc */ - uint8_t *eeprom; /* Full contents or leading part */ - char *carrier_name; /* "SPEC" or similar, for special use */ - void *carrier_data; /* "struct spec *" or equivalent */ - __iomem void *fpga_base; /* May be NULL (Etherbone) */ - __iomem void *slot_base; /* Set by the driver */ - struct fmc_device **devarray; /* Allocated by the bus */ - int slot_id; /* Index in the slot array */ - int nr_slots; /* Number of slots in this carrier */ - unsigned long memlen; /* Used for the char device */ - struct device dev; /* For Linux use */ - struct device *hwdev; /* The underlying hardware device */ - unsigned long sdbfs_entry; - struct sdb_array *sdb; - uint32_t device_id; /* Filled by the device */ - char *mezzanine_name; /* Defaults to ``fmc'' */ - void *mezzanine_data; - - struct dentry *dbg_dir; - struct dentry *dbg_sdb_dump; -}; -#define to_fmc_device(x) container_of((x), struct fmc_device, dev) - -#define FMC_DEVICE_HAS_GOLDEN 1 -#define FMC_DEVICE_HAS_CUSTOM 2 -#define FMC_DEVICE_NO_MEZZANINE 4 -#define FMC_DEVICE_MATCH_SDB 8 /* fmc-core must scan sdb in fpga */ - -/* - * If fpga_base can be used, the carrier offers no readl/writel methods, and - * this expands to a single, fast, I/O access. - */ -static inline uint32_t fmc_readl(struct fmc_device *fmc, int offset) -{ - if (unlikely(fmc->op->read32)) - return fmc->op->read32(fmc, offset); - return readl(fmc->fpga_base + offset); -} -static inline void fmc_writel(struct fmc_device *fmc, uint32_t val, int off) -{ - if (unlikely(fmc->op->write32)) - fmc->op->write32(fmc, val, off); - else - writel(val, fmc->fpga_base + off); -} - -/* pci-like naming */ -static inline void *fmc_get_drvdata(const struct fmc_device *fmc) -{ - return dev_get_drvdata(&fmc->dev); -} - -static inline void fmc_set_drvdata(struct fmc_device *fmc, void *data) -{ - dev_set_drvdata(&fmc->dev, data); -} - -struct fmc_gateware { - void *bitstream; - unsigned long len; -}; - -/* The 5 access points */ -extern int fmc_driver_register(struct fmc_driver *drv); -extern void fmc_driver_unregister(struct fmc_driver *drv); -extern int fmc_device_register(struct fmc_device *tdev); -extern int fmc_device_register_gw(struct fmc_device *tdev, - struct fmc_gateware *gw); -extern void fmc_device_unregister(struct fmc_device *tdev); - -/* Three more for device sets, all driven by the same FPGA */ -extern int fmc_device_register_n(struct fmc_device **devs, int n); -extern int fmc_device_register_n_gw(struct fmc_device **devs, int n, - struct fmc_gateware *gw); -extern void fmc_device_unregister_n(struct fmc_device **devs, int n); - -/* Internal cross-calls between files; not exported to other modules */ -extern int fmc_match(struct device *dev, struct device_driver *drv); -extern int fmc_fill_id_info(struct fmc_device *fmc); -extern void fmc_free_id_info(struct fmc_device *fmc); -extern void fmc_dump_eeprom(const struct fmc_device *fmc); - -/* helpers for FMC operations */ -extern int fmc_irq_request(struct fmc_device *fmc, irq_handler_t h, - char *name, int flags); -extern void fmc_irq_free(struct fmc_device *fmc); -extern void fmc_irq_ack(struct fmc_device *fmc); -extern int fmc_validate(struct fmc_device *fmc, struct fmc_driver *drv); -extern int fmc_gpio_config(struct fmc_device *fmc, struct fmc_gpio *gpio, - int ngpio); -extern int fmc_read_ee(struct fmc_device *fmc, int pos, void *d, int l); -extern int fmc_write_ee(struct fmc_device *fmc, int pos, const void *d, int l); - -/* helpers for FMC operations */ -extern int fmc_irq_request(struct fmc_device *fmc, irq_handler_t h, - char *name, int flags); -extern void fmc_irq_free(struct fmc_device *fmc); -extern void fmc_irq_ack(struct fmc_device *fmc); -extern int fmc_validate(struct fmc_device *fmc, struct fmc_driver *drv); - -#endif /* __LINUX_FMC_H__ */ diff --git a/include/linux/fs.h b/include/linux/fs.h index f7fdfe93e25d..75f2ed289a3f 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -694,7 +694,7 @@ struct inode { atomic_t i_count; atomic_t i_dio_count; atomic_t i_writecount; -#ifdef CONFIG_IMA +#if defined(CONFIG_IMA) || defined(CONFIG_FILE_LOCKING) atomic_t i_readcount; /* struct files open RO */ #endif union { @@ -1019,8 +1019,6 @@ struct file_lock_operations { }; struct lock_manager_operations { - int (*lm_compare_owner)(struct file_lock *, struct file_lock *); - unsigned long (*lm_owner_key)(struct file_lock *); fl_owner_t (*lm_get_owner)(fl_owner_t); void (*lm_put_owner)(fl_owner_t); void (*lm_notify)(struct file_lock *); /* unblock callback */ @@ -1769,7 +1767,7 @@ struct block_device_operations; /* * These flags control the behavior of the remap_file_range function pointer. * If it is called with len == 0 that means "remap to end of source file". - * See Documentation/filesystems/vfs.txt for more details about this call. + * See Documentation/filesystems/vfs.rst for more details about this call. * * REMAP_FILE_DEDUP: only remap if contents identical (i.e. deduplicate) * REMAP_FILE_CAN_SHORTEN: caller can handle a shortened request @@ -1889,6 +1887,9 @@ extern ssize_t vfs_readv(struct file *, const struct iovec __user *, unsigned long, loff_t *, rwf_t); extern ssize_t vfs_copy_file_range(struct file *, loff_t , struct file *, loff_t, size_t, unsigned int); +extern ssize_t generic_copy_file_range(struct file *file_in, loff_t pos_in, + struct file *file_out, loff_t pos_out, + size_t len, unsigned int flags); extern int generic_remap_file_range_prep(struct file *file_in, loff_t pos_in, struct file *file_out, loff_t pos_out, loff_t *count, @@ -2174,6 +2175,8 @@ static inline void file_accessed(struct file *file) touch_atime(&file->f_path); } +extern int file_modified(struct file *file); + int sync_inode(struct inode *inode, struct writeback_control *wbc); int sync_inode_metadata(struct inode *inode, int wait); @@ -2184,6 +2187,7 @@ struct file_system_type { #define FS_BINARY_MOUNTDATA 2 #define FS_HAS_SUBTYPE 4 #define FS_USERNS_MOUNT 8 /* Can be mounted by userns root */ +#define FS_DISALLOW_NOTIFY_PERM 16 /* Disable fanotify permission events */ #define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move() during rename() internally. */ int (*init_fs_context)(struct fs_context *); const struct fs_parameter_description *parameters; @@ -2712,6 +2716,8 @@ extern int filemap_flush(struct address_space *); extern int filemap_fdatawait_keep_errors(struct address_space *mapping); extern int filemap_fdatawait_range(struct address_space *, loff_t lstart, loff_t lend); +extern int filemap_fdatawait_range_keep_errors(struct address_space *mapping, + loff_t start_byte, loff_t end_byte); static inline int filemap_fdatawait(struct address_space *mapping) { @@ -2890,7 +2896,7 @@ static inline bool inode_is_open_for_write(const struct inode *inode) return atomic_read(&inode->i_writecount) > 0; } -#ifdef CONFIG_IMA +#if defined(CONFIG_IMA) || defined(CONFIG_FILE_LOCKING) static inline void i_readcount_dec(struct inode *inode) { BUG_ON(!atomic_read(&inode->i_readcount)); @@ -3046,6 +3052,10 @@ extern ssize_t generic_write_checks(struct kiocb *, struct iov_iter *); extern int generic_remap_checks(struct file *file_in, loff_t pos_in, struct file *file_out, loff_t pos_out, loff_t *count, unsigned int remap_flags); +extern int generic_file_rw_checks(struct file *file_in, struct file *file_out); +extern int generic_copy_file_checks(struct file *file_in, loff_t pos_in, + struct file *file_out, loff_t pos_out, + size_t *count, unsigned int flags); extern ssize_t generic_file_read_iter(struct kiocb *, struct iov_iter *); extern ssize_t __generic_file_write_iter(struct kiocb *, struct iov_iter *); extern ssize_t generic_file_write_iter(struct kiocb *, struct iov_iter *); @@ -3546,4 +3556,16 @@ static inline struct sock *io_uring_get_socket(struct file *file) } #endif +int vfs_ioc_setflags_prepare(struct inode *inode, unsigned int oldflags, + unsigned int flags); + +int vfs_ioc_fssetxattr_check(struct inode *inode, const struct fsxattr *old_fa, + struct fsxattr *fa); + +static inline void simple_fill_fsxattr(struct fsxattr *fa, __u32 xflags) +{ + memset(fa, 0, sizeof(*fa)); + fa->fsx_xflags = xflags; +} + #endif /* _LINUX_FS_H */ diff --git a/include/linux/fs_context.h b/include/linux/fs_context.h index d476ff0c10df..4933187d5b9a 100644 --- a/include/linux/fs_context.h +++ b/include/linux/fs_context.h @@ -81,7 +81,7 @@ struct fs_parameter { * Superblock creation fills in ->root whereas reconfiguration begins with this * already set. * - * See Documentation/filesystems/mounting.txt + * See Documentation/filesystems/mount_api.txt */ struct fs_context { const struct fs_context_operations *ops; diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h index 610815e3f1aa..d5ba431b5d63 100644 --- a/include/linux/fscache-cache.h +++ b/include/linux/fscache-cache.h @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* General filesystem caching backing cache interface * * Copyright (C) 2004-2007 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * * NOTE!!! See: * * Documentation/filesystems/caching/backend-api.txt diff --git a/include/linux/fscache.h b/include/linux/fscache.h index 84b90a79d75a..ad044c0cb1f3 100644 --- a/include/linux/fscache.h +++ b/include/linux/fscache.h @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* General filesystem caching interface * * Copyright (C) 2004-2007 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * * NOTE!!! See: * * Documentation/filesystems/caching/netfs-api.txt diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h index f7680ef1abd2..bd8f207a2fb6 100644 --- a/include/linux/fscrypt.h +++ b/include/linux/fscrypt.h @@ -63,16 +63,13 @@ struct fscrypt_operations { unsigned int max_namelen; }; +/* Decryption work */ struct fscrypt_ctx { union { struct { - struct page *bounce_page; /* Ciphertext page */ - struct page *control_page; /* Original page */ - } w; - struct { struct bio *bio; struct work_struct work; - } r; + }; struct list_head free_list; /* Free list */ }; u8 flags; /* Flags */ @@ -106,18 +103,33 @@ static inline void fscrypt_handle_d_move(struct dentry *dentry) extern void fscrypt_enqueue_decrypt_work(struct work_struct *); extern struct fscrypt_ctx *fscrypt_get_ctx(gfp_t); extern void fscrypt_release_ctx(struct fscrypt_ctx *); -extern struct page *fscrypt_encrypt_page(const struct inode *, struct page *, - unsigned int, unsigned int, - u64, gfp_t); -extern int fscrypt_decrypt_page(const struct inode *, struct page *, unsigned int, - unsigned int, u64); -static inline struct page *fscrypt_control_page(struct page *page) +extern struct page *fscrypt_encrypt_pagecache_blocks(struct page *page, + unsigned int len, + unsigned int offs, + gfp_t gfp_flags); +extern int fscrypt_encrypt_block_inplace(const struct inode *inode, + struct page *page, unsigned int len, + unsigned int offs, u64 lblk_num, + gfp_t gfp_flags); + +extern int fscrypt_decrypt_pagecache_blocks(struct page *page, unsigned int len, + unsigned int offs); +extern int fscrypt_decrypt_block_inplace(const struct inode *inode, + struct page *page, unsigned int len, + unsigned int offs, u64 lblk_num); + +static inline bool fscrypt_is_bounce_page(struct page *page) +{ + return page->mapping == NULL; +} + +static inline struct page *fscrypt_pagecache_page(struct page *bounce_page) { - return ((struct fscrypt_ctx *)page_private(page))->w.control_page; + return (struct page *)page_private(bounce_page); } -extern void fscrypt_restore_control_page(struct page *); +extern void fscrypt_free_bounce_page(struct page *bounce_page); /* policy.c */ extern int fscrypt_ioctl_set_policy(struct file *, const void __user *); @@ -223,7 +235,6 @@ static inline bool fscrypt_match_name(const struct fscrypt_name *fname, extern void fscrypt_decrypt_bio(struct bio *); extern void fscrypt_enqueue_decrypt_bio(struct fscrypt_ctx *ctx, struct bio *bio); -extern void fscrypt_pullback_bio_page(struct page **, bool); extern int fscrypt_zeroout_range(const struct inode *, pgoff_t, sector_t, unsigned int); @@ -283,32 +294,51 @@ static inline void fscrypt_release_ctx(struct fscrypt_ctx *ctx) return; } -static inline struct page *fscrypt_encrypt_page(const struct inode *inode, +static inline struct page *fscrypt_encrypt_pagecache_blocks(struct page *page, + unsigned int len, + unsigned int offs, + gfp_t gfp_flags) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline int fscrypt_encrypt_block_inplace(const struct inode *inode, struct page *page, unsigned int len, - unsigned int offs, - u64 lblk_num, gfp_t gfp_flags) + unsigned int offs, u64 lblk_num, + gfp_t gfp_flags) { - return ERR_PTR(-EOPNOTSUPP); + return -EOPNOTSUPP; +} + +static inline int fscrypt_decrypt_pagecache_blocks(struct page *page, + unsigned int len, + unsigned int offs) +{ + return -EOPNOTSUPP; } -static inline int fscrypt_decrypt_page(const struct inode *inode, - struct page *page, - unsigned int len, unsigned int offs, - u64 lblk_num) +static inline int fscrypt_decrypt_block_inplace(const struct inode *inode, + struct page *page, + unsigned int len, + unsigned int offs, u64 lblk_num) { return -EOPNOTSUPP; } -static inline struct page *fscrypt_control_page(struct page *page) +static inline bool fscrypt_is_bounce_page(struct page *page) +{ + return false; +} + +static inline struct page *fscrypt_pagecache_page(struct page *bounce_page) { WARN_ON_ONCE(1); return ERR_PTR(-EINVAL); } -static inline void fscrypt_restore_control_page(struct page *page) +static inline void fscrypt_free_bounce_page(struct page *bounce_page) { - return; } /* policy.c */ @@ -410,11 +440,6 @@ static inline void fscrypt_enqueue_decrypt_bio(struct fscrypt_ctx *ctx, { } -static inline void fscrypt_pullback_bio_page(struct page **page, bool restore) -{ - return; -} - static inline int fscrypt_zeroout_range(const struct inode *inode, pgoff_t lblk, sector_t pblk, unsigned int len) { @@ -692,4 +717,15 @@ static inline int fscrypt_encrypt_symlink(struct inode *inode, return 0; } +/* If *pagep is a bounce page, free it and set *pagep to the pagecache page */ +static inline void fscrypt_finalize_bounce_page(struct page **pagep) +{ + struct page *page = *pagep; + + if (fscrypt_is_bounce_page(page)) { + *pagep = fscrypt_pagecache_page(page); + fscrypt_free_bounce_page(page); + } +} + #endif /* _LINUX_FSCRYPT_H */ diff --git a/include/linux/fsi-sbefifo.h b/include/linux/fsi-sbefifo.h index 13f9ebeaa25e..a9935e806f8e 100644 --- a/include/linux/fsi-sbefifo.h +++ b/include/linux/fsi-sbefifo.h @@ -1,16 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * SBEFIFO FSI Client device driver * * Copyright (C) IBM Corporation 2017 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERGCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef LINUX_FSI_SBEFIFO_H diff --git a/include/linux/fsi.h b/include/linux/fsi.h index ec3be0d5b786..3df8c54868df 100644 --- a/include/linux/fsi.h +++ b/include/linux/fsi.h @@ -1,15 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* FSI device & driver interfaces * * Copyright (C) IBM Corporation 2016 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef LINUX_FSI_H diff --git a/include/linux/fsl-diu-fb.h b/include/linux/fsl-diu-fb.h index c46eab5bc893..9a55ddc0d277 100644 --- a/include/linux/fsl-diu-fb.h +++ b/include/linux/fsl-diu-fb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. * @@ -9,12 +10,6 @@ * York Sun <yorksun@freescale.com> * * Based on imxfb.c Copyright (C) 2004 S.Hauer, Pengutronix - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #ifndef __FSL_DIU_FB_H__ diff --git a/include/linux/fsl/bestcomm/gen_bd.h b/include/linux/fsl/bestcomm/gen_bd.h index de47260e69da..aeb312a1cd00 100644 --- a/include/linux/fsl/bestcomm/gen_bd.h +++ b/include/linux/fsl/bestcomm/gen_bd.h @@ -1,16 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Header for Bestcomm General Buffer Descriptor tasks driver * - * * Copyright (C) 2007 Sylvain Munaut <tnt@246tNt.com> * Copyright (C) 2006 AppSpec Computer Technologies Corp. * Jeff Gibbons <jeff.gibbons@appspec.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * */ #ifndef __BESTCOMM_GEN_BD_H__ diff --git a/include/linux/fsl/guts.h b/include/linux/fsl/guts.h index 1fc0edd71c52..0ac27b233f12 100644 --- a/include/linux/fsl/guts.h +++ b/include/linux/fsl/guts.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /** * Freecale 85xx and 86xx Global Utilties register set * @@ -5,11 +6,6 @@ * Timur Tabi <timur@freescale.com> * * Copyright 2004,2007,2012 Freescale Semiconductor, Inc - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #ifndef __FSL_GUTS_H__ diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h index 5da56a674f2f..5d231ce8709b 100644 --- a/include/linux/fsl_devices.h +++ b/include/linux/fsl_devices.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/linux/fsl_devices.h * @@ -7,11 +8,6 @@ * Maintainer: Kumar Gala <galak@kernel.crashing.org> * * Copyright 2004,2012 Freescale Semiconductor, Inc - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #ifndef _FSL_DEVICE_H_ @@ -102,6 +98,7 @@ struct fsl_usb2_platform_data { unsigned has_fsl_erratum_14:1; unsigned has_fsl_erratum_a005275:1; unsigned has_fsl_erratum_a005697:1; + unsigned has_fsl_erratum_a006918:1; unsigned check_phy_clk_valid:1; /* register save area for suspend/resume */ diff --git a/include/linux/fsl_ifc.h b/include/linux/fsl_ifc.h index 5f343b796ad9..0af96a45e903 100644 --- a/include/linux/fsl_ifc.h +++ b/include/linux/fsl_ifc.h @@ -1,22 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Freescale Integrated Flash Controller * * Copyright 2011 Freescale Semiconductor, Inc * * Author: Dipen Dudhat <dipen.dudhat@freescale.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __ASM_FSL_IFC_H diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h index 94972e8eb6d1..a2d5d175d3c1 100644 --- a/include/linux/fsnotify.h +++ b/include/linux/fsnotify.h @@ -189,6 +189,19 @@ static inline void fsnotify_link(struct inode *dir, struct inode *inode, struct } /* + * fsnotify_unlink - 'name' was unlinked + * + * Caller must make sure that dentry->d_name is stable. + */ +static inline void fsnotify_unlink(struct inode *dir, struct dentry *dentry) +{ + /* Expected to be called before d_delete() */ + WARN_ON_ONCE(d_is_negative(dentry)); + + fsnotify_dirent(dir, dentry, FS_DELETE); +} + +/* * fsnotify_mkdir - directory 'name' was created */ static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry) @@ -199,6 +212,19 @@ static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry) } /* + * fsnotify_rmdir - directory 'name' was removed + * + * Caller must make sure that dentry->d_name is stable. + */ +static inline void fsnotify_rmdir(struct inode *dir, struct dentry *dentry) +{ + /* Expected to be called before d_delete() */ + WARN_ON_ONCE(d_is_negative(dentry)); + + fsnotify_dirent(dir, dentry, FS_DELETE | FS_ISDIR); +} + +/* * fsnotify_access - file was read */ static inline void fsnotify_access(struct file *file) diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index a9f9dcc1e515..2de3b2ddd19a 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -292,7 +292,9 @@ typedef struct fsnotify_mark_connector __rcu *fsnotify_connp_t; */ struct fsnotify_mark_connector { spinlock_t lock; - unsigned int type; /* Type of object [lock] */ + unsigned short type; /* Type of object [lock] */ +#define FSNOTIFY_CONN_FLAG_HAS_FSID 0x01 + unsigned short flags; /* flags [lock] */ __kernel_fsid_t fsid; /* fsid of filesystem containing object */ union { /* Object pointer [lock] */ @@ -355,7 +357,6 @@ extern int __fsnotify_parent(const struct path *path, struct dentry *dentry, __u extern void __fsnotify_inode_delete(struct inode *inode); extern void __fsnotify_vfsmount_delete(struct vfsmount *mnt); extern void fsnotify_sb_delete(struct super_block *sb); -extern void fsnotify_nameremove(struct dentry *dentry, int isdir); extern u32 fsnotify_get_cookie(void); static inline int fsnotify_inode_watches_children(struct inode *inode) @@ -525,9 +526,6 @@ static inline void __fsnotify_vfsmount_delete(struct vfsmount *mnt) static inline void fsnotify_sb_delete(struct super_block *sb) {} -static inline void fsnotify_nameremove(struct dentry *dentry, int isdir) -{} - static inline void fsnotify_update_flags(struct dentry *dentry) {} diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index faebf0ca0686..a11c8c56c78b 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * fwnode.h - Firmware device node object handle type definition. * * Copyright (C) 2015, Intel Corporation * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef _LINUX_FWNODE_H_ diff --git a/include/linux/gameport.h b/include/linux/gameport.h index bb7de09e8d57..69081d899492 100644 --- a/include/linux/gameport.h +++ b/include/linux/gameport.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 1999-2002 Vojtech Pavlik - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #ifndef _GAMEPORT_H #define _GAMEPORT_H diff --git a/include/linux/genalloc.h b/include/linux/genalloc.h index dd0a452373e7..4bd583bd6934 100644 --- a/include/linux/genalloc.h +++ b/include/linux/genalloc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Basic general purpose allocator for managing special purpose * memory, for example, memory that is not managed by the regular @@ -21,9 +22,6 @@ * the allocator can NOT be used in NMI handler. So code uses the * allocator in NMI handler should depend on * CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG. - * - * This source code is licensed under the GNU General Public License, - * Version 2. See the file COPYING for more details. */ @@ -75,6 +73,7 @@ struct gen_pool_chunk { struct list_head next_chunk; /* next chunk in pool */ atomic_long_t avail; phys_addr_t phys_addr; /* physical starting address of memory chunk */ + void *owner; /* private data to retrieve at alloc time */ unsigned long start_addr; /* start address of memory chunk */ unsigned long end_addr; /* end address of memory chunk (inclusive) */ unsigned long bits[0]; /* bitmap for allocating memory chunk */ @@ -96,8 +95,15 @@ struct genpool_data_fixed { extern struct gen_pool *gen_pool_create(int, int); extern phys_addr_t gen_pool_virt_to_phys(struct gen_pool *pool, unsigned long); -extern int gen_pool_add_virt(struct gen_pool *, unsigned long, phys_addr_t, - size_t, int); +extern int gen_pool_add_owner(struct gen_pool *, unsigned long, phys_addr_t, + size_t, int, void *); + +static inline int gen_pool_add_virt(struct gen_pool *pool, unsigned long addr, + phys_addr_t phys, size_t size, int nid) +{ + return gen_pool_add_owner(pool, addr, phys, size, nid, NULL); +} + /** * gen_pool_add - add a new chunk of special memory to the pool * @pool: pool to add new memory chunk to @@ -116,12 +122,56 @@ static inline int gen_pool_add(struct gen_pool *pool, unsigned long addr, return gen_pool_add_virt(pool, addr, -1, size, nid); } extern void gen_pool_destroy(struct gen_pool *); -extern unsigned long gen_pool_alloc(struct gen_pool *, size_t); -extern unsigned long gen_pool_alloc_algo(struct gen_pool *, size_t, - genpool_algo_t algo, void *data); +unsigned long gen_pool_alloc_algo_owner(struct gen_pool *pool, size_t size, + genpool_algo_t algo, void *data, void **owner); + +static inline unsigned long gen_pool_alloc_owner(struct gen_pool *pool, + size_t size, void **owner) +{ + return gen_pool_alloc_algo_owner(pool, size, pool->algo, pool->data, + owner); +} + +static inline unsigned long gen_pool_alloc_algo(struct gen_pool *pool, + size_t size, genpool_algo_t algo, void *data) +{ + return gen_pool_alloc_algo_owner(pool, size, algo, data, NULL); +} + +/** + * gen_pool_alloc - allocate special memory from the pool + * @pool: pool to allocate from + * @size: number of bytes to allocate from the pool + * + * Allocate the requested number of bytes from the specified pool. + * Uses the pool allocation function (with first-fit algorithm by default). + * Can not be used in NMI handler on architectures without + * NMI-safe cmpxchg implementation. + */ +static inline unsigned long gen_pool_alloc(struct gen_pool *pool, size_t size) +{ + return gen_pool_alloc_algo(pool, size, pool->algo, pool->data); +} + extern void *gen_pool_dma_alloc(struct gen_pool *pool, size_t size, dma_addr_t *dma); -extern void gen_pool_free(struct gen_pool *, unsigned long, size_t); +extern void *gen_pool_dma_alloc_algo(struct gen_pool *pool, size_t size, + dma_addr_t *dma, genpool_algo_t algo, void *data); +extern void *gen_pool_dma_alloc_align(struct gen_pool *pool, size_t size, + dma_addr_t *dma, int align); +extern void *gen_pool_dma_zalloc(struct gen_pool *pool, size_t size, dma_addr_t *dma); +extern void *gen_pool_dma_zalloc_algo(struct gen_pool *pool, size_t size, + dma_addr_t *dma, genpool_algo_t algo, void *data); +extern void *gen_pool_dma_zalloc_align(struct gen_pool *pool, size_t size, + dma_addr_t *dma, int align); +extern void gen_pool_free_owner(struct gen_pool *pool, unsigned long addr, + size_t size, void **owner); +static inline void gen_pool_free(struct gen_pool *pool, unsigned long addr, + size_t size) +{ + gen_pool_free_owner(pool, addr, size, NULL); +} + extern void gen_pool_for_each_chunk(struct gen_pool *, void (*)(struct gen_pool *, struct gen_pool_chunk *, void *), void *); extern size_t gen_pool_avail(struct gen_pool *); diff --git a/include/linux/generic-radix-tree.h b/include/linux/generic-radix-tree.h index 3a91130a4fbd..02393c0c98f9 100644 --- a/include/linux/generic-radix-tree.h +++ b/include/linux/generic-radix-tree.h @@ -2,7 +2,7 @@ #define _LINUX_GENERIC_RADIX_TREE_H /** - * DOC: Generic radix trees/sparse arrays: + * DOC: Generic radix trees/sparse arrays * * Very simple and minimalistic, supporting arbitrary size entries up to * PAGE_SIZE. diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index a1d273c96016..8d58386aadd5 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -18,6 +18,7 @@ struct seq_file; struct gpio_device; struct module; enum gpiod_flags; +enum gpio_lookup_flags; #ifdef CONFIG_GPIOLIB @@ -102,13 +103,6 @@ struct gpio_irq_chip { unsigned int num_parents; /** - * @parent_irq: - * - * For use by gpiochip_set_cascaded_irqchip() - */ - unsigned int parent_irq; - - /** * @parents: * * A list of interrupt parents of a GPIO chip. This is owned by the @@ -167,7 +161,7 @@ struct gpio_irq_chip { */ void (*irq_disable)(struct irq_data *data); }; -#endif +#endif /* CONFIG_GPIOLIB_IRQCHIP */ /** * struct gpio_chip - abstract a GPIO controller @@ -200,6 +194,8 @@ struct gpio_irq_chip { * @dbg_show: optional routine to show contents in debugfs; default code * will be used when this is omitted, but custom code can show extra * state (such as pullup/pulldown configuration). + * @init_valid_mask: optional routine to initialize @valid_mask, to be used if + * not all GPIOs are valid. * @base: identifies the first GPIO number handled by this chip; * or, if negative during registration, requests dynamic ID allocation. * DEPRECATION: providing anything non-negative and nailing the base @@ -307,7 +303,7 @@ struct gpio_chip { spinlock_t bgpio_lock; unsigned long bgpio_data; unsigned long bgpio_dir; -#endif +#endif /* CONFIG_GPIO_GENERIC */ #ifdef CONFIG_GPIOLIB_IRQCHIP /* @@ -322,7 +318,7 @@ struct gpio_chip { * used to handle IRQs for most practical cases. */ struct gpio_irq_chip irq; -#endif +#endif /* CONFIG_GPIOLIB_IRQCHIP */ /** * @need_valid_mask: @@ -369,7 +365,7 @@ struct gpio_chip { */ int (*of_xlate)(struct gpio_chip *gc, const struct of_phandle_args *gpiospec, u32 *flags); -#endif +#endif /* CONFIG_OF_GPIO */ }; extern const char *gpiochip_is_requested(struct gpio_chip *chip, @@ -412,7 +408,7 @@ extern int gpiochip_add_data_with_key(struct gpio_chip *chip, void *data, }) #else #define gpiochip_add_data(chip, data) gpiochip_add_data_with_key(chip, data, NULL, NULL) -#endif +#endif /* CONFIG_LOCKDEP */ static inline int gpiochip_add(struct gpio_chip *chip) { @@ -467,7 +463,7 @@ int bgpio_init(struct gpio_chip *gc, struct device *dev, #define BGPIOF_READ_OUTPUT_REG_SET BIT(4) /* reg_set stores output value */ #define BGPIOF_NO_OUTPUT BIT(5) /* only input */ -#endif +#endif /* CONFIG_GPIO_GENERIC */ #ifdef CONFIG_GPIOLIB_IRQCHIP @@ -537,7 +533,7 @@ static inline int gpiochip_irqchip_add_nested(struct gpio_chip *gpiochip, handler, type, true, &lock_key, &request_key); } -#else +#else /* ! CONFIG_LOCKDEP */ static inline int gpiochip_irqchip_add(struct gpio_chip *gpiochip, struct irq_chip *irqchip, unsigned int first_irq, @@ -588,7 +584,7 @@ int gpiochip_add_pingroup_range(struct gpio_chip *chip, unsigned int gpio_offset, const char *pin_group); void gpiochip_remove_pin_ranges(struct gpio_chip *chip); -#else +#else /* ! CONFIG_PINCTRL */ static inline int gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name, @@ -614,7 +610,8 @@ gpiochip_remove_pin_ranges(struct gpio_chip *chip) struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *chip, u16 hwnum, const char *label, - enum gpiod_flags flags); + enum gpio_lookup_flags lflags, + enum gpiod_flags dflags); void gpiochip_free_own_desc(struct gpio_desc *desc); void devprop_gpiochip_set_names(struct gpio_chip *chip, diff --git a/include/linux/gpio/gpio-reg.h b/include/linux/gpio/gpio-reg.h index 5c6efd394cb0..39b888c40b39 100644 --- a/include/linux/gpio/gpio-reg.h +++ b/include/linux/gpio/gpio-reg.h @@ -11,4 +11,4 @@ struct gpio_chip *gpio_reg_init(struct device *dev, void __iomem *reg, int gpio_reg_resume(struct gpio_chip *gc); -#endif +#endif /* GPIO_REG_H */ diff --git a/include/linux/gpio/machine.h b/include/linux/gpio/machine.h index 35f299d1f6a7..1ebe5be05d5f 100644 --- a/include/linux/gpio/machine.h +++ b/include/linux/gpio/machine.h @@ -97,7 +97,7 @@ void gpiod_add_lookup_table(struct gpiod_lookup_table *table); void gpiod_add_lookup_tables(struct gpiod_lookup_table **tables, size_t n); void gpiod_remove_lookup_table(struct gpiod_lookup_table *table); void gpiod_add_hogs(struct gpiod_hog *hogs); -#else +#else /* ! CONFIG_GPIOLIB */ static inline void gpiod_add_lookup_table(struct gpiod_lookup_table *table) {} static inline @@ -105,6 +105,6 @@ void gpiod_add_lookup_tables(struct gpiod_lookup_table **tables, size_t n) {} static inline void gpiod_remove_lookup_table(struct gpiod_lookup_table *table) {} static inline void gpiod_add_hogs(struct gpiod_hog *hogs) {} -#endif +#endif /* CONFIG_GPIOLIB */ #endif /* __LINUX_GPIO_MACHINE_H */ diff --git a/include/linux/hdlc.h b/include/linux/hdlc.h index 97585d9679f3..cacc4dd27794 100644 --- a/include/linux/hdlc.h +++ b/include/linux/hdlc.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Generic HDLC support routines for Linux * * Copyright (C) 1999-2005 Krzysztof Halasa <khc@pm.waw.pl> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. */ #ifndef __HDLC_H #define __HDLC_H diff --git a/include/linux/hid-debug.h b/include/linux/hid-debug.h index 2d6100edf204..ea7b23d13bfd 100644 --- a/include/linux/hid-debug.h +++ b/include/linux/hid-debug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef __HID_DEBUG_H #define __HID_DEBUG_H @@ -6,20 +7,6 @@ */ /* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #ifdef CONFIG_DEBUG_FS diff --git a/include/linux/hid-roccat.h b/include/linux/hid-roccat.h index 24e1ca01f9a0..3214fb0815fc 100644 --- a/include/linux/hid-roccat.h +++ b/include/linux/hid-roccat.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef __HID_ROCCAT_H #define __HID_ROCCAT_H @@ -6,10 +7,6 @@ */ /* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. */ #include <linux/hid.h> diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h index dc12f5c4b076..46bcef380446 100644 --- a/include/linux/hid-sensor-hub.h +++ b/include/linux/hid-sensor-hub.h @@ -1,20 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * HID Sensors Driver * Copyright (c) 2012, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * */ #ifndef _HID_SENSORS_HUB_H #define _HID_SENSORS_HUB_H diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h index 76033e0420a7..d82a97e311d3 100644 --- a/include/linux/hid-sensor-ids.h +++ b/include/linux/hid-sensor-ids.h @@ -1,20 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * HID Sensors Driver * Copyright (c) 2012, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * */ #ifndef _HID_SENSORS_IDS_H #define _HID_SENSORS_IDS_H diff --git a/include/linux/hid.h b/include/linux/hid.h index ae9da674b749..d770ab1a0479 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -1,22 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) 1999 Andreas Gal * Copyright (c) 2000-2001 Vojtech Pavlik * Copyright (c) 2006-2007 Jiri Kosina */ /* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Should you need to contact me, the author, you can do so either by * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: diff --git a/include/linux/hiddev.h b/include/linux/hiddev.h index 921622222957..2164c03d2c72 100644 --- a/include/linux/hiddev.h +++ b/include/linux/hiddev.h @@ -1,22 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) 1999-2000 Vojtech Pavlik * * Sponsored by SuSE */ /* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Should you need to contact me, the author, you can do so either by * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail: diff --git a/include/linux/hidraw.h b/include/linux/hidraw.h index ddf52612eed8..cd67f4ca5599 100644 --- a/include/linux/hidraw.h +++ b/include/linux/hidraw.h @@ -1,15 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2007 Jiri Kosina */ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - */ #ifndef _HIDRAW_H #define _HIDRAW_H diff --git a/include/linux/hippidevice.h b/include/linux/hippidevice.h index 402f99e328d4..9dc01f7ab5b4 100644 --- a/include/linux/hippidevice.h +++ b/include/linux/hippidevice.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -14,11 +15,6 @@ * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> * Alan Cox, <gw4pts@gw4pts.ampr.org> * Lawrence V. Stefani, <stefani@lkg.dec.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_HIPPIDEVICE_H #define _LINUX_HIPPIDEVICE_H diff --git a/include/linux/hmm.h b/include/linux/hmm.h index 51ec27a84668..044a36d7c3f8 100644 --- a/include/linux/hmm.h +++ b/include/linux/hmm.h @@ -1,16 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright 2013 Red Hat Inc. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Authors: Jérôme Glisse <jglisse@redhat.com> */ /* diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 2e8957eac4d4..4971100a8cab 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -12,8 +12,8 @@ #ifndef _LINUX_HRTIMER_H #define _LINUX_HRTIMER_H +#include <linux/hrtimer_defs.h> #include <linux/rbtree.h> -#include <linux/ktime.h> #include <linux/init.h> #include <linux/list.h> #include <linux/percpu.h> @@ -298,26 +298,12 @@ struct clock_event_device; extern void hrtimer_interrupt(struct clock_event_device *dev); -/* - * The resolution of the clocks. The resolution value is returned in - * the clock_getres() system call to give application programmers an - * idea of the (in)accuracy of timers. Timer values are rounded up to - * this resolution values. - */ -# define HIGH_RES_NSEC 1 -# define KTIME_HIGH_RES (HIGH_RES_NSEC) -# define MONOTONIC_RES_NSEC HIGH_RES_NSEC -# define KTIME_MONOTONIC_RES KTIME_HIGH_RES - extern void clock_was_set_delayed(void); extern unsigned int hrtimer_resolution; #else -# define MONOTONIC_RES_NSEC LOW_RES_NSEC -# define KTIME_MONOTONIC_RES KTIME_LOW_RES - #define hrtimer_resolution (unsigned int)LOW_RES_NSEC static inline void clock_was_set_delayed(void) { } diff --git a/include/linux/hrtimer_defs.h b/include/linux/hrtimer_defs.h new file mode 100644 index 000000000000..2d3e3c5fb946 --- /dev/null +++ b/include/linux/hrtimer_defs.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_HRTIMER_DEFS_H +#define _LINUX_HRTIMER_DEFS_H + +#include <linux/ktime.h> + +#ifdef CONFIG_HIGH_RES_TIMERS + +/* + * The resolution of the clocks. The resolution value is returned in + * the clock_getres() system call to give application programmers an + * idea of the (in)accuracy of timers. Timer values are rounded up to + * this resolution values. + */ +# define HIGH_RES_NSEC 1 +# define KTIME_HIGH_RES (HIGH_RES_NSEC) +# define MONOTONIC_RES_NSEC HIGH_RES_NSEC +# define KTIME_MONOTONIC_RES KTIME_HIGH_RES + +#else + +# define MONOTONIC_RES_NSEC LOW_RES_NSEC +# define KTIME_MONOTONIC_RES KTIME_LOW_RES + +#endif + +#endif diff --git a/include/linux/hsi/hsi.h b/include/linux/hsi/hsi.h index 57402544b53f..6ca92bff02c6 100644 --- a/include/linux/hsi/hsi.h +++ b/include/linux/hsi/hsi.h @@ -1,23 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * HSI core header file. * * Copyright (C) 2010 Nokia Corporation. All rights reserved. * * Contact: Carlos Chinea <carlos.chinea@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA */ #ifndef __LINUX_HSI_H__ diff --git a/include/linux/hsi/ssi_protocol.h b/include/linux/hsi/ssi_protocol.h index 1433651be0dc..2d6f3cfa7dea 100644 --- a/include/linux/hsi/ssi_protocol.h +++ b/include/linux/hsi/ssi_protocol.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * ssip_slave.h * @@ -6,20 +7,6 @@ * Copyright (C) 2010 Nokia Corporation. All rights reserved. * * Contact: Carlos Chinea <carlos.chinea@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA */ #ifndef __LINUX_SSIP_SLAVE_H__ diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index edf476c8cfb9..edfca4278319 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -16,29 +16,11 @@ struct user_struct; struct mmu_gather; #ifndef is_hugepd -/* - * Some architectures requires a hugepage directory format that is - * required to support multiple hugepage sizes. For example - * a4fe3ce76 "powerpc/mm: Allow more flexible layouts for hugepage pagetables" - * introduced the same on powerpc. This allows for a more flexible hugepage - * pagetable layout. - */ typedef struct { unsigned long pd; } hugepd_t; #define is_hugepd(hugepd) (0) #define __hugepd(x) ((hugepd_t) { (x) }) -static inline int gup_huge_pd(hugepd_t hugepd, unsigned long addr, - unsigned pdshift, unsigned long end, - int write, struct page **pages, int *nr) -{ - return 0; -} -#else -extern int gup_huge_pd(hugepd_t hugepd, unsigned long addr, - unsigned pdshift, unsigned long end, - int write, struct page **pages, int *nr); #endif - #ifdef CONFIG_HUGETLB_PAGE #include <linux/mempolicy.h> @@ -608,22 +590,92 @@ static inline void huge_ptep_modify_prot_commit(struct vm_area_struct *vma, #else /* CONFIG_HUGETLB_PAGE */ struct hstate {}; -#define alloc_huge_page(v, a, r) NULL -#define alloc_huge_page_node(h, nid) NULL -#define alloc_huge_page_nodemask(h, preferred_nid, nmask) NULL -#define alloc_huge_page_vma(h, vma, address) NULL -#define alloc_bootmem_huge_page(h) NULL -#define hstate_file(f) NULL -#define hstate_sizelog(s) NULL -#define hstate_vma(v) NULL -#define hstate_inode(i) NULL -#define page_hstate(page) NULL -#define huge_page_size(h) PAGE_SIZE -#define huge_page_mask(h) PAGE_MASK -#define vma_kernel_pagesize(v) PAGE_SIZE -#define vma_mmu_pagesize(v) PAGE_SIZE -#define huge_page_order(h) 0 -#define huge_page_shift(h) PAGE_SHIFT + +static inline struct page *alloc_huge_page(struct vm_area_struct *vma, + unsigned long addr, + int avoid_reserve) +{ + return NULL; +} + +static inline struct page *alloc_huge_page_node(struct hstate *h, int nid) +{ + return NULL; +} + +static inline struct page * +alloc_huge_page_nodemask(struct hstate *h, int preferred_nid, nodemask_t *nmask) +{ + return NULL; +} + +static inline struct page *alloc_huge_page_vma(struct hstate *h, + struct vm_area_struct *vma, + unsigned long address) +{ + return NULL; +} + +static inline int __alloc_bootmem_huge_page(struct hstate *h) +{ + return 0; +} + +static inline struct hstate *hstate_file(struct file *f) +{ + return NULL; +} + +static inline struct hstate *hstate_sizelog(int page_size_log) +{ + return NULL; +} + +static inline struct hstate *hstate_vma(struct vm_area_struct *vma) +{ + return NULL; +} + +static inline struct hstate *hstate_inode(struct inode *i) +{ + return NULL; +} + +static inline struct hstate *page_hstate(struct page *page) +{ + return NULL; +} + +static inline unsigned long huge_page_size(struct hstate *h) +{ + return PAGE_SIZE; +} + +static inline unsigned long huge_page_mask(struct hstate *h) +{ + return PAGE_MASK; +} + +static inline unsigned long vma_kernel_pagesize(struct vm_area_struct *vma) +{ + return PAGE_SIZE; +} + +static inline unsigned long vma_mmu_pagesize(struct vm_area_struct *vma) +{ + return PAGE_SIZE; +} + +static inline unsigned int huge_page_order(struct hstate *h) +{ + return 0; +} + +static inline unsigned int huge_page_shift(struct hstate *h) +{ + return PAGE_SHIFT; +} + static inline bool hstate_is_gigantic(struct hstate *h) { return false; diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h index 2b949fa501e1..04c36b7a61dd 100644 --- a/include/linux/hwmon.h +++ b/include/linux/hwmon.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* hwmon.h - part of lm_sensors, Linux kernel modules for hardware monitoring @@ -6,9 +7,6 @@ Copyright (C) 2005 Mark M. Hoffman <mhoffman@lightlink.com> - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. */ #ifndef _HWMON_H_ diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 8b9a93c99c9b..6256cc34c4a6 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -1,25 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * * Copyright (c) 2011, Microsoft Corporation. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 Temple - * Place - Suite 330, Boston, MA 02111-1307 USA. - * * Authors: * Haiyang Zhang <haiyangz@microsoft.com> * Hank Janssen <hjanssen@microsoft.com> * K. Y. Srinivasan <kys@microsoft.com> - * */ #ifndef _HYPERV_H diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 1308126fc384..e982b8913b73 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -14,6 +14,7 @@ #ifndef _LINUX_I2C_H #define _LINUX_I2C_H +#include <linux/acpi.h> /* for acpi_handle */ #include <linux/mod_devicetable.h> #include <linux/device.h> /* for struct device */ #include <linux/sched.h> /* for completion */ @@ -981,6 +982,7 @@ bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, u32 i2c_acpi_find_bus_speed(struct device *dev); struct i2c_client *i2c_acpi_new_device(struct device *dev, int index, struct i2c_board_info *info); +struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle); #else static inline bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, struct acpi_resource_i2c_serialbus **i2c) @@ -996,6 +998,10 @@ static inline struct i2c_client *i2c_acpi_new_device(struct device *dev, { return NULL; } +static inline struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle) +{ + return NULL; +} #endif /* CONFIG_ACPI */ #endif /* _LINUX_I2C_H */ diff --git a/include/linux/i3c/master.h b/include/linux/i3c/master.h index f13fd8b1dd79..1f08fa8d69d2 100644 --- a/include/linux/i3c/master.h +++ b/include/linux/i3c/master.h @@ -48,7 +48,7 @@ struct i3c_i2c_dev_desc { #define I3C_LVR_I2C_INDEX(x) ((x) << 5) #define I3C_LVR_I2C_FM_MODE BIT(4) -#define I2C_MAX_ADDR GENMASK(9, 0) +#define I2C_MAX_ADDR GENMASK(6, 0) /** * struct i2c_dev_boardinfo - I2C device board information @@ -250,12 +250,17 @@ struct i3c_device { * the bus. The only impact in this mode is that the * high SCL pulse has to stay below 50ns to trick I2C * devices when transmitting I3C frames + * @I3C_BUS_MODE_MIXED_LIMITED: I2C devices without 50ns spike filter are + * present on the bus. However they allow + * compliance up to the maximum SDR SCL clock + * frequency. * @I3C_BUS_MODE_MIXED_SLOW: I2C devices without 50ns spike filter are present * on the bus */ enum i3c_bus_mode { I3C_BUS_MODE_PURE, I3C_BUS_MODE_MIXED_FAST, + I3C_BUS_MODE_MIXED_LIMITED, I3C_BUS_MODE_MIXED_SLOW, }; @@ -390,8 +395,6 @@ struct i3c_bus { * and i2c_put_dma_safe_msg_buf() helpers provided by the I2C * framework. * This method is mandatory. - * @i2c_funcs: expose the supported I2C functionalities. - * This method is mandatory. * @request_ibi: attach an IBI handler to an I3C device. This implies defining * an IBI handler and the constraints of the IBI (maximum payload * length and number of pre-allocated slots). @@ -437,7 +440,6 @@ struct i3c_master_controller_ops { void (*detach_i2c_dev)(struct i2c_dev_desc *dev); int (*i2c_xfers)(struct i2c_dev_desc *dev, const struct i2c_msg *xfers, int nxfers); - u32 (*i2c_funcs)(struct i3c_master_controller *master); int (*request_ibi)(struct i3c_dev_desc *dev, const struct i3c_ibi_setup *req); void (*free_ibi)(struct i3c_dev_desc *dev); diff --git a/include/linux/i8042.h b/include/linux/i8042.h index d98780ca9604..0261e2fb3636 100644 --- a/include/linux/i8042.h +++ b/include/linux/i8042.h @@ -1,11 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef _LINUX_I8042_H #define _LINUX_I8042_H -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ #include <linux/types.h> diff --git a/include/linux/icmp.h b/include/linux/icmp.h index efc18490627a..2d8aaf7d4b9e 100644 --- a/include/linux/icmp.h +++ b/include/linux/icmp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -8,11 +9,6 @@ * Version: @(#)icmp.h 1.0.3 04/28/93 * * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_ICMP_H #define _LINUX_ICMP_H diff --git a/include/linux/idr.h b/include/linux/idr.h index 60daf34b625d..4ec8986e5dfb 100644 --- a/include/linux/idr.h +++ b/include/linux/idr.h @@ -1,9 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * include/linux/idr.h * * 2002-10-18 written by Jim Houston jim.houston@ccur.com * Copyright (C) 2002 by Concurrent Computer Corporation - * Distributed under the GNU GPL license version 2. * * Small id to pointer translation service avoiding fixed sized * tables. @@ -191,14 +191,17 @@ static inline void idr_preload_end(void) * idr_for_each_entry_ul() - Iterate over an IDR's elements of a given type. * @idr: IDR handle. * @entry: The type * to use as cursor. + * @tmp: A temporary placeholder for ID. * @id: Entry ID. * * @entry and @id do not need to be initialized before the loop, and * after normal termination @entry is left with the value NULL. This * is convenient for a "not found" value. */ -#define idr_for_each_entry_ul(idr, entry, id) \ - for (id = 0; ((entry) = idr_get_next_ul(idr, &(id))) != NULL; ++id) +#define idr_for_each_entry_ul(idr, entry, tmp, id) \ + for (tmp = 0, id = 0; \ + tmp <= id && ((entry) = idr_get_next_ul(idr, &(id))) != NULL; \ + tmp = id, ++id) /** * idr_for_each_entry_continue() - Continue iteration over an IDR's elements of a given type @@ -213,6 +216,20 @@ static inline void idr_preload_end(void) entry; \ ++id, (entry) = idr_get_next((idr), &(id))) +/** + * idr_for_each_entry_continue_ul() - Continue iteration over an IDR's elements of a given type + * @idr: IDR handle. + * @entry: The type * to use as a cursor. + * @tmp: A temporary placeholder for ID. + * @id: Entry ID. + * + * Continue to iterate over entries, continuing after the current position. + */ +#define idr_for_each_entry_continue_ul(idr, entry, tmp, id) \ + for (tmp = id; \ + tmp <= id && ((entry) = idr_get_next_ul(idr, &(id))) != NULL; \ + tmp = id, ++id) + /* * IDA - ID Allocator, use when translation from id to pointer isn't necessary. */ diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 61f0a316c6ac..8511fadc0935 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * IEEE 802.11 defines * @@ -9,10 +10,6 @@ * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH * Copyright (c) 2016 - 2017 Intel Deutschland GmbH * Copyright (c) 2018 - 2019 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef LINUX_IEEE80211_H @@ -2612,6 +2609,7 @@ enum ieee80211_key_len { #define FILS_ERP_MAX_RRK_LEN 64 #define PMK_MAX_LEN 64 +#define SAE_PASSWORD_MAX_LEN 128 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */ enum ieee80211_pub_actioncode { @@ -2712,6 +2710,13 @@ enum ieee80211_tdls_actioncode { #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5) #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6) +/* + * When set, indicates that the AP is able to tolerate 26-tone RU UL + * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the + * 26-tone RU UL OFDMA transmissions as radar pulses). + */ +#define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7) + /* Defines support for enhanced multi-bssid advertisement*/ #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(1) diff --git a/include/linux/ieee802154.h b/include/linux/ieee802154.h index ddb890174a0e..95c831162212 100644 --- a/include/linux/ieee802154.h +++ b/include/linux/ieee802154.h @@ -1,17 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * IEEE802.15.4-2003 specification * * Copyright (C) 2007, 2008 Siemens AG * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Written by: * Pavel Smolenskiy <pavel.smolenskiy@gmail.com> * Maxim Gorbachyov <maxim.gorbachev@siemens.com> diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h index e44746de95cd..bf5c5f32c65e 100644 --- a/include/linux/if_arp.h +++ b/include/linux/if_arp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -14,11 +15,6 @@ * Florian La Roche, * Jonathan Layes <layes@loran.com> * Arnaldo Carvalho de Melo <acme@conectiva.com.br> ARPHRD_HWX25 - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IF_ARP_H #define _LINUX_IF_ARP_H diff --git a/include/linux/if_bridge.h b/include/linux/if_bridge.h index ef0819ced0fc..9e57c4411734 100644 --- a/include/linux/if_bridge.h +++ b/include/linux/if_bridge.h @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Linux ethernet bridge * * Authors: * Lennert Buytenhek <buytenh@gnu.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IF_BRIDGE_H #define _LINUX_IF_BRIDGE_H @@ -92,6 +88,8 @@ static inline bool br_multicast_router(const struct net_device *dev) #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_VLAN_FILTERING) bool br_vlan_enabled(const struct net_device *dev); int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid); +int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid); +int br_vlan_get_proto(const struct net_device *dev, u16 *p_proto); int br_vlan_get_info(const struct net_device *dev, u16 vid, struct bridge_vlan_info *p_vinfo); #else @@ -105,6 +103,16 @@ static inline int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid) return -EINVAL; } +static inline int br_vlan_get_proto(const struct net_device *dev, u16 *p_proto) +{ + return -EINVAL; +} + +static inline int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid) +{ + return -EINVAL; +} + static inline int br_vlan_get_info(const struct net_device *dev, u16 vid, struct bridge_vlan_info *p_vinfo) { diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index 548fd535fd02..76cf11e905e1 100644 --- a/include/linux/if_ether.h +++ b/include/linux/if_ether.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -11,11 +12,6 @@ * Donald Becker, <becker@super.org> * Alan Cox, <alan@lxorguk.ukuu.org.uk> * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IF_ETHER_H #define _LINUX_IF_ETHER_H diff --git a/include/linux/if_fddi.h b/include/linux/if_fddi.h index f5550b3eeeab..c796f452d646 100644 --- a/include/linux/if_fddi.h +++ b/include/linux/if_fddi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -15,11 +16,6 @@ * Alan Cox, <alan@lxorguk.ukuu.org.uk> * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk> * Peter De Schrijver, <stud11@cc4.kuleuven.ac.be> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IF_FDDI_H #define _LINUX_IF_FDDI_H diff --git a/include/linux/if_frad.h b/include/linux/if_frad.h index 82a1b4e93570..52224de798aa 100644 --- a/include/linux/if_frad.h +++ b/include/linux/if_frad.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * DLCI/FRAD Definitions for Frame Relay Access Devices. DLCI devices are * created for each DLCI associated with a FRAD. The FRAD driver @@ -14,11 +15,6 @@ * 0.15 Mike McLagan changed structure defs (packed) * re-arranged flags * added DLCI_RET vars - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _FRAD_H_ #define _FRAD_H_ diff --git a/include/linux/if_pppol2tp.h b/include/linux/if_pppol2tp.h index 0fb71e532b2c..96d40942e5a3 100644 --- a/include/linux/if_pppol2tp.h +++ b/include/linux/if_pppol2tp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /*************************************************************************** * Linux PPP over L2TP (PPPoL2TP) Socket Implementation (RFC 2661) * @@ -5,11 +6,6 @@ * (l2tp_ppp.c). All version information wrt this file is located in l2tp_ppp.c * * License: - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * */ #ifndef __LINUX_IF_PPPOL2TP_H #define __LINUX_IF_PPPOL2TP_H diff --git a/include/linux/if_pppox.h b/include/linux/if_pppox.h index ba7a9b0c7c57..8b728750a625 100644 --- a/include/linux/if_pppox.h +++ b/include/linux/if_pppox.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /*************************************************************************** * Linux PPP over X - Generic PPP transport layer sockets * Linux PPP over Ethernet (PPPoE) Socket Implementation (RFC 2516) @@ -6,11 +7,6 @@ * (pppox.c). All version information wrt this file is located in pppox.c * * License: - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * */ #ifndef __LINUX_IF_PPPOX_H #define __LINUX_IF_PPPOX_H diff --git a/include/linux/if_rmnet.h b/include/linux/if_rmnet.h new file mode 100644 index 000000000000..b4f5403383fc --- /dev/null +++ b/include/linux/if_rmnet.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0-only + * Copyright (c) 2013-2019, The Linux Foundation. All rights reserved. + */ + +#ifndef _LINUX_IF_RMNET_H_ +#define _LINUX_IF_RMNET_H_ + +struct rmnet_map_header { +#if defined(__LITTLE_ENDIAN_BITFIELD) + u8 pad_len:6; + u8 reserved_bit:1; + u8 cd_bit:1; +#elif defined (__BIG_ENDIAN_BITFIELD) + u8 cd_bit:1; + u8 reserved_bit:1; + u8 pad_len:6; +#else +#error "Please fix <asm/byteorder.h>" +#endif + u8 mux_id; + __be16 pkt_len; +} __aligned(1); + +struct rmnet_map_dl_csum_trailer { + u8 reserved1; +#if defined(__LITTLE_ENDIAN_BITFIELD) + u8 valid:1; + u8 reserved2:7; +#elif defined (__BIG_ENDIAN_BITFIELD) + u8 reserved2:7; + u8 valid:1; +#else +#error "Please fix <asm/byteorder.h>" +#endif + u16 csum_start_offset; + u16 csum_length; + __be16 csum_value; +} __aligned(1); + +struct rmnet_map_ul_csum_header { + __be16 csum_start_offset; +#if defined(__LITTLE_ENDIAN_BITFIELD) + u16 csum_insert_offset:14; + u16 udp_ip4_ind:1; + u16 csum_enabled:1; +#elif defined (__BIG_ENDIAN_BITFIELD) + u16 csum_enabled:1; + u16 udp_ip4_ind:1; + u16 csum_insert_offset:14; +#else +#error "Please fix <asm/byteorder.h>" +#endif +} __aligned(1); + +#endif /* !(_LINUX_IF_RMNET_H_) */ diff --git a/include/linux/if_tap.h b/include/linux/if_tap.h index 8e66866c11be..915a187cfabd 100644 --- a/include/linux/if_tap.h +++ b/include/linux/if_tap.h @@ -62,7 +62,6 @@ struct tap_dev { struct tap_queue { struct sock sk; struct socket sock; - struct socket_wq wq; int vnet_hdr_sz; struct tap_dev __rcu *tap; struct file *file; diff --git a/include/linux/if_team.h b/include/linux/if_team.h index ac42da56f7a2..06faa066496f 100644 --- a/include/linux/if_team.h +++ b/include/linux/if_team.h @@ -1,11 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/linux/if_team.h - Network team device driver header * Copyright (c) 2011 Jiri Pirko <jpirko@redhat.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef _LINUX_IF_TEAM_H_ #define _LINUX_IF_TEAM_H_ diff --git a/include/linux/if_tun.h b/include/linux/if_tun.h index 12e3eebf0ce6..5bda8cf457b6 100644 --- a/include/linux/if_tun.h +++ b/include/linux/if_tun.h @@ -1,16 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Universal TUN/TAP device driver. * Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef __IF_TUN_H #define __IF_TUN_H diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 4cca4da7a6de..244278d5c222 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -1,13 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * VLAN An implementation of 802.1Q VLAN tagging. * * Authors: Ben Greear <greearb@candelatech.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * */ #ifndef _LINUX_IF_VLAN_H_ #define _LINUX_IF_VLAN_H_ diff --git a/include/linux/igmp.h b/include/linux/igmp.h index 9c94b2ea789c..463047d0190b 100644 --- a/include/linux/igmp.h +++ b/include/linux/igmp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Linux NET3: Internet Group Management Protocol [IGMP] * @@ -5,12 +6,6 @@ * Alan Cox <alan@lxorguk.ukuu.org.uk> * * Extended to talk the BSD extended IGMP protocol of mrouted 3.6 - * - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IGMP_H #define _LINUX_IGMP_H @@ -65,8 +60,8 @@ struct ip_mc_socklist { struct ip_sf_list { struct ip_sf_list *sf_next; - __be32 sf_inaddr; unsigned long sf_count[2]; /* include/exclude counts */ + __be32 sf_inaddr; unsigned char sf_gsresp; /* include in g & s response? */ unsigned char sf_oldin; /* change state */ unsigned char sf_crcount; /* retrans. left to send */ diff --git a/include/linux/iio/accel/kxcjk_1013.h b/include/linux/iio/accel/kxcjk_1013.h index fd1d540ea62d..8c3c78bc9f91 100644 --- a/include/linux/iio/accel/kxcjk_1013.h +++ b/include/linux/iio/accel/kxcjk_1013.h @@ -1,15 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * KXCJK-1013 3-axis accelerometer Interface * Copyright (c) 2014, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #ifndef __IIO_KXCJK_1013_H__ diff --git a/include/linux/iio/adc/ad_sigma_delta.h b/include/linux/iio/adc/ad_sigma_delta.h index 6e9fb1932dde..7716fa0c9fce 100644 --- a/include/linux/iio/adc/ad_sigma_delta.h +++ b/include/linux/iio/adc/ad_sigma_delta.h @@ -1,10 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Support code for Analog Devices Sigma-Delta ADCs * * Copyright 2012 Analog Devices Inc. * Author: Lars-Peter Clausen <lars@metafoo.de> - * - * Licensed under the GPL-2. */ #ifndef __AD_SIGMA_DELTA_H__ #define __AD_SIGMA_DELTA_H__ diff --git a/include/linux/iio/buffer-dma.h b/include/linux/iio/buffer-dma.h index 67c75372b691..016d8a068353 100644 --- a/include/linux/iio/buffer-dma.h +++ b/include/linux/iio/buffer-dma.h @@ -1,8 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2013-2015 Analog Devices Inc. * Author: Lars-Peter Clausen <lars@metafoo.de> - * - * Licensed under the GPL-2. */ #ifndef __INDUSTRIALIO_DMA_BUFFER_H__ diff --git a/include/linux/iio/buffer-dmaengine.h b/include/linux/iio/buffer-dmaengine.h index 5dcddf427bb0..b3a57444a886 100644 --- a/include/linux/iio/buffer-dmaengine.h +++ b/include/linux/iio/buffer-dmaengine.h @@ -1,8 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright 2014-2015 Analog Devices Inc. * Author: Lars-Peter Clausen <lars@metafoo.de> - * - * Licensed under the GPL-2 or later. */ #ifndef __IIO_DMAENGINE_H__ diff --git a/include/linux/iio/buffer.h b/include/linux/iio/buffer.h index 48767c776119..fbba4093f06c 100644 --- a/include/linux/iio/buffer.h +++ b/include/linux/iio/buffer.h @@ -1,10 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* The industrial I/O core - generic buffer interfaces. * * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #ifndef _IIO_BUFFER_GENERIC_H_ diff --git a/include/linux/iio/common/cros_ec_sensors_core.h b/include/linux/iio/common/cros_ec_sensors_core.h index ce16445411ac..0c636b9fe8d7 100644 --- a/include/linux/iio/common/cros_ec_sensors_core.h +++ b/include/linux/iio/common/cros_ec_sensors_core.h @@ -1,16 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * ChromeOS EC sensor hub * * Copyright (C) 2016 Google, Inc - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef __CROS_EC_SENSORS_CORE_H diff --git a/include/linux/iio/common/ssp_sensors.h b/include/linux/iio/common/ssp_sensors.h index f4d1b0edb432..06c9b4b563b3 100644 --- a/include/linux/iio/common/ssp_sensors.h +++ b/include/linux/iio/common/ssp_sensors.h @@ -1,16 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2014, Samsung Electronics Co. Ltd. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef _SSP_SENSORS_H_ #define _SSP_SENSORS_H_ diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h index 45e9667f0a8c..2948ac99e2da 100644 --- a/include/linux/iio/common/st_sensors.h +++ b/include/linux/iio/common/st_sensors.h @@ -1,11 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * STMicroelectronics sensors library driver * * Copyright 2012-2013 STMicroelectronics Inc. * * Denis Ciocca <denis.ciocca@st.com> - * - * Licensed under the GPL-2. */ #ifndef ST_SENSORS_H diff --git a/include/linux/iio/common/st_sensors_i2c.h b/include/linux/iio/common/st_sensors_i2c.h index 0a2c25e06d1f..5ada89944698 100644 --- a/include/linux/iio/common/st_sensors_i2c.h +++ b/include/linux/iio/common/st_sensors_i2c.h @@ -1,11 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * STMicroelectronics sensors i2c library driver * * Copyright 2012-2013 STMicroelectronics Inc. * * Denis Ciocca <denis.ciocca@st.com> - * - * Licensed under the GPL-2. */ #ifndef ST_SENSORS_I2C_H diff --git a/include/linux/iio/common/st_sensors_spi.h b/include/linux/iio/common/st_sensors_spi.h index d964a3563dc6..6020f7167859 100644 --- a/include/linux/iio/common/st_sensors_spi.h +++ b/include/linux/iio/common/st_sensors_spi.h @@ -1,11 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * STMicroelectronics sensors spi library driver * * Copyright 2012-2013 STMicroelectronics Inc. * * Denis Ciocca <denis.ciocca@st.com> - * - * Licensed under the GPL-2. */ #ifndef ST_SENSORS_SPI_H diff --git a/include/linux/iio/configfs.h b/include/linux/iio/configfs.h index 93befd67c15c..84cab3f47e80 100644 --- a/include/linux/iio/configfs.h +++ b/include/linux/iio/configfs.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Industrial I/O configfs support * * Copyright (c) 2015 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #ifndef __IIO_CONFIGFS #define __IIO_CONFIGFS diff --git a/include/linux/iio/consumer.h b/include/linux/iio/consumer.h index b2d34831ed7c..2bde8c912d4d 100644 --- a/include/linux/iio/consumer.h +++ b/include/linux/iio/consumer.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Industrial I/O in kernel consumer interface * * Copyright (c) 2011 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #ifndef _IIO_INKERN_CONSUMER_H_ #define _IIO_INKERN_CONSUMER_H_ diff --git a/include/linux/iio/dac/ad5504.h b/include/linux/iio/dac/ad5504.h index 43895376a9ca..9f23c90486ee 100644 --- a/include/linux/iio/dac/ad5504.h +++ b/include/linux/iio/dac/ad5504.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * AD5504 SPI DAC driver * * Copyright 2011 Analog Devices Inc. - * - * Licensed under the GPL-2. */ #ifndef SPI_AD5504_H_ diff --git a/include/linux/iio/dac/ad5791.h b/include/linux/iio/dac/ad5791.h index 45ee281c6660..02966553f71e 100644 --- a/include/linux/iio/dac/ad5791.h +++ b/include/linux/iio/dac/ad5791.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * AD5791 SPI DAC driver * * Copyright 2011 Analog Devices Inc. - * - * Licensed under the GPL-2. */ #ifndef SPI_AD5791_H_ diff --git a/include/linux/iio/dac/max517.h b/include/linux/iio/dac/max517.h index 7668716cd73c..4923645a18fd 100644 --- a/include/linux/iio/dac/max517.h +++ b/include/linux/iio/dac/max517.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * MAX517 DAC driver * * Copyright 2011 Roland Stigge <stigge@antcom.de> - * - * Licensed under the GPL-2 or later. */ #ifndef IIO_DAC_MAX517_H_ #define IIO_DAC_MAX517_H_ diff --git a/include/linux/iio/dac/mcp4725.h b/include/linux/iio/dac/mcp4725.h index 628b2cf54c50..e9801c8d49c0 100644 --- a/include/linux/iio/dac/mcp4725.h +++ b/include/linux/iio/dac/mcp4725.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * MCP4725 DAC driver * * Copyright (C) 2012 Peter Meerwald <pmeerw@pmeerw.net> - * - * Licensed under the GPL-2 or later. */ #ifndef IIO_DAC_MCP4725_H_ diff --git a/include/linux/iio/driver.h b/include/linux/iio/driver.h index f54a7bcdefe3..36de60a5da7a 100644 --- a/include/linux/iio/driver.h +++ b/include/linux/iio/driver.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Industrial I/O in kernel access map interface. * * Copyright (c) 2011 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #ifndef _IIO_INKERN_H_ diff --git a/include/linux/iio/events.h b/include/linux/iio/events.h index 8ad87d1c5340..a4558c45a548 100644 --- a/include/linux/iio/events.h +++ b/include/linux/iio/events.h @@ -1,10 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* The industrial I/O - event passing to userspace * * Copyright (c) 2008-2011 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #ifndef _IIO_EVENTS_H_ #define _IIO_EVENTS_H_ diff --git a/include/linux/iio/frequency/ad9523.h b/include/linux/iio/frequency/ad9523.h index 621b93c0bcf9..ff22a0ac15f5 100644 --- a/include/linux/iio/frequency/ad9523.h +++ b/include/linux/iio/frequency/ad9523.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * AD9523 SPI Low Jitter Clock Generator * * Copyright 2012 Analog Devices Inc. - * - * Licensed under the GPL-2. */ #ifndef IIO_FREQUENCY_AD9523_H_ diff --git a/include/linux/iio/frequency/adf4350.h b/include/linux/iio/frequency/adf4350.h index ffd8c8f90928..ce9490bfeb89 100644 --- a/include/linux/iio/frequency/adf4350.h +++ b/include/linux/iio/frequency/adf4350.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * ADF4350/ADF4351 SPI PLL driver * * Copyright 2012-2013 Analog Devices Inc. - * - * Licensed under the GPL-2. */ #ifndef IIO_PLL_ADF4350_H_ diff --git a/include/linux/iio/gyro/itg3200.h b/include/linux/iio/gyro/itg3200.h index 0a30fddccfb3..a602fe7b84fa 100644 --- a/include/linux/iio/gyro/itg3200.h +++ b/include/linux/iio/gyro/itg3200.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * itg3200.h -- support InvenSense ITG3200 * Digital 3-Axis Gyroscope driver @@ -5,10 +6,6 @@ * Copyright (c) 2011 Christian Strobel <christian.strobel@iis.fraunhofer.de> * Copyright (c) 2011 Manuel Stahl <manuel.stahl@iis.fraunhofer.de> * Copyright (c) 2012 Thorsten Nowak <thorsten.nowak@iis.fraunhofer.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef I2C_ITG3200_H_ diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index bb10c1bee301..8e132cf819e4 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* The industrial I/O core * * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #ifndef _INDUSTRIAL_IO_H_ #define _INDUSTRIAL_IO_H_ diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h index 469a493f7ae0..3428d06b2f44 100644 --- a/include/linux/iio/imu/adis.h +++ b/include/linux/iio/imu/adis.h @@ -1,10 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Common library for ADIS16XXX devices * * Copyright 2012 Analog Devices Inc. * Author: Lars-Peter Clausen <lars@metafoo.de> - * - * Licensed under the GPL-2 or later. */ #ifndef __IIO_ADIS_H__ diff --git a/include/linux/iio/machine.h b/include/linux/iio/machine.h index 5e1cfa75f652..fe7ccbb81184 100644 --- a/include/linux/iio/machine.h +++ b/include/linux/iio/machine.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Industrial I/O in kernel access map definitions for board files. * * Copyright (c) 2011 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #ifndef __LINUX_IIO_MACHINE_H__ diff --git a/include/linux/iio/sw_device.h b/include/linux/iio/sw_device.h index 8642b91a7577..eff1e6b2595c 100644 --- a/include/linux/iio/sw_device.h +++ b/include/linux/iio/sw_device.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Industrial I/O software device interface * * Copyright (c) 2016 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #ifndef __IIO_SW_DEVICE diff --git a/include/linux/iio/sw_trigger.h b/include/linux/iio/sw_trigger.h index 0c43738a9e24..47de2443e984 100644 --- a/include/linux/iio/sw_trigger.h +++ b/include/linux/iio/sw_trigger.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Industrial I/O software trigger interface * * Copyright (c) 2015 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #ifndef __IIO_SW_TRIGGER diff --git a/include/linux/iio/sysfs.h b/include/linux/iio/sysfs.h index ce9426c507fd..b532c875bc24 100644 --- a/include/linux/iio/sysfs.h +++ b/include/linux/iio/sysfs.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* The industrial I/O core * *Copyright (c) 2008 Jonathan Cameron * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * * General attributes */ diff --git a/include/linux/iio/timer/stm32-lptim-trigger.h b/include/linux/iio/timer/stm32-lptim-trigger.h index 464458d20b16..a34dcf6a6001 100644 --- a/include/linux/iio/timer/stm32-lptim-trigger.h +++ b/include/linux/iio/timer/stm32-lptim-trigger.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) STMicroelectronics 2017 * * Author: Fabrice Gasnier <fabrice.gasnier@st.com> - * - * License terms: GNU General Public License (GPL), version 2 */ #ifndef _STM32_LPTIM_TRIGGER_H_ diff --git a/include/linux/iio/timer/stm32-timer-trigger.h b/include/linux/iio/timer/stm32-timer-trigger.h index cbb7c7ae6c0c..37572e4dc73a 100644 --- a/include/linux/iio/timer/stm32-timer-trigger.h +++ b/include/linux/iio/timer/stm32-timer-trigger.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) STMicroelectronics 2016 * * Author: Benjamin Gaignard <benjamin.gaignard@st.com> - * - * License terms: GNU General Public License (GPL), version 2 */ #ifndef _STM32_TIMER_TRIGGER_H_ diff --git a/include/linux/iio/trigger.h b/include/linux/iio/trigger.h index b19b7204ef84..84995e2967ac 100644 --- a/include/linux/iio/trigger.h +++ b/include/linux/iio/trigger.h @@ -1,10 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* The industrial I/O core, trigger handling functions * * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #include <linux/irq.h> #include <linux/module.h> diff --git a/include/linux/iio/trigger_consumer.h b/include/linux/iio/trigger_consumer.h index c4f8c7409666..c3c6ba5ec423 100644 --- a/include/linux/iio/trigger_consumer.h +++ b/include/linux/iio/trigger_consumer.h @@ -1,10 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* The industrial I/O core, trigger consumer functions * * Copyright (c) 2008-2011 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #ifndef __LINUX_IIO_TRIGGER_CONSUMER_H__ diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h index 6eb3d683ef62..fa824e160f35 100644 --- a/include/linux/iio/types.h +++ b/include/linux/iio/types.h @@ -1,10 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* industrial I/O data types needed both in and out of kernel * * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #ifndef _IIO_TYPES_H_ diff --git a/include/linux/ima.h b/include/linux/ima.h index fd9f7cf4cdf5..a20ad398d260 100644 --- a/include/linux/ima.h +++ b/include/linux/ima.h @@ -1,10 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2008 IBM Corporation * Author: Mimi Zohar <zohar@us.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, version 2 of the License. */ #ifndef _LINUX_IMA_H @@ -26,6 +23,7 @@ extern int ima_read_file(struct file *file, enum kernel_read_file_id id); extern int ima_post_read_file(struct file *file, void *buf, loff_t size, enum kernel_read_file_id id); extern void ima_post_path_mknod(struct dentry *dentry); +extern void ima_kexec_cmdline(const void *buf, int size); #ifdef CONFIG_IMA_KEXEC extern void ima_add_kexec_buffer(struct kimage *image); @@ -92,6 +90,7 @@ static inline void ima_post_path_mknod(struct dentry *dentry) return; } +static inline void ima_kexec_cmdline(const void *buf, int size) {} #endif /* CONFIG_IMA */ #ifndef CONFIG_IMA_KEXEC diff --git a/include/linux/imx-media.h b/include/linux/imx-media.h index 77221ecad6fc..e017e1779118 100644 --- a/include/linux/imx-media.h +++ b/include/linux/imx-media.h @@ -1,10 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) 2014-2017 Mentor Graphics Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the - * License, or (at your option) any later version */ #ifndef __LINUX_IMX_MEDIA_H__ diff --git a/include/linux/in.h b/include/linux/in.h index 435e7f2a513a..1873ef642605 100644 --- a/include/linux/in.h +++ b/include/linux/in.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -9,11 +10,6 @@ * * Authors: Original taken from the GNU Project <netinet/in.h> file. * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IN_H #define _LINUX_IN_H @@ -67,7 +63,7 @@ static inline bool ipv4_is_all_snoopers(__be32 addr) static inline bool ipv4_is_zeronet(__be32 addr) { - return (addr & htonl(0xff000000)) == htonl(0x00000000); + return (addr == 0); } /* Special-Use IPv4 Addresses (RFC3330) */ diff --git a/include/linux/in6.h b/include/linux/in6.h index 34edf1f6c9a3..0777a21cbf86 100644 --- a/include/linux/in6.h +++ b/include/linux/in6.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Types and definitions for AF_INET6 * Linux INET6 implementation @@ -11,11 +12,6 @@ * * Advanced Sockets API for IPv6 * <draft-stevens-advanced-api-00.txt> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IN6_H #define _LINUX_IN6_H diff --git a/include/linux/inet.h b/include/linux/inet.h index 97defc1139e9..bd8276e96e60 100644 --- a/include/linux/inet.h +++ b/include/linux/inet.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Swansea University Computer Society NET3 * @@ -33,11 +34,6 @@ * $Id: udp.h,v 0.8.4.1 1992/11/10 00:17:18 bir7 Exp $ * $Id: we.c,v 0.8.4.10 1993/01/23 18:00:11 bir7 Exp $ * $Id: wereg.h,v 0.8.4.1 1992/11/10 00:17:18 bir7 Exp $ - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_INET_H #define _LINUX_INET_H diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h index 367dc2a0f84a..3515ca64e638 100644 --- a/include/linux/inetdevice.h +++ b/include/linux/inetdevice.h @@ -26,7 +26,7 @@ struct in_device { struct net_device *dev; refcount_t refcnt; int dead; - struct in_ifaddr *ifa_list; /* IP ifaddr chain */ + struct in_ifaddr __rcu *ifa_list;/* IP ifaddr chain */ struct ip_mc_list __rcu *mc_list; /* IP multicast filter chain */ struct ip_mc_list __rcu * __rcu *mc_hash; @@ -136,7 +136,7 @@ static inline void ipv4_devconf_setall(struct in_device *in_dev) struct in_ifaddr { struct hlist_node hash; - struct in_ifaddr *ifa_next; + struct in_ifaddr __rcu *ifa_next; struct in_device *ifa_dev; struct rcu_head rcu_head; __be32 ifa_local; @@ -186,7 +186,7 @@ __be32 inet_confirm_addr(struct net *net, struct in_device *in_dev, __be32 dst, struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix, __be32 mask); struct in_ifaddr *inet_lookup_ifaddr_rcu(struct net *net, __be32 addr); -static __inline__ bool inet_ifa_match(__be32 addr, struct in_ifaddr *ifa) +static inline bool inet_ifa_match(__be32 addr, const struct in_ifaddr *ifa) { return !((addr^ifa->ifa_address)&ifa->ifa_mask); } @@ -206,14 +206,13 @@ static __inline__ bool bad_mask(__be32 mask, __be32 addr) return false; } -#define for_primary_ifa(in_dev) { struct in_ifaddr *ifa; \ - for (ifa = (in_dev)->ifa_list; ifa && !(ifa->ifa_flags&IFA_F_SECONDARY); ifa = ifa->ifa_next) +#define in_dev_for_each_ifa_rtnl(ifa, in_dev) \ + for (ifa = rtnl_dereference((in_dev)->ifa_list); ifa; \ + ifa = rtnl_dereference(ifa->ifa_next)) -#define for_ifa(in_dev) { struct in_ifaddr *ifa; \ - for (ifa = (in_dev)->ifa_list; ifa; ifa = ifa->ifa_next) - - -#define endfor_ifa(in_dev) } +#define in_dev_for_each_ifa_rcu(ifa, in_dev) \ + for (ifa = rcu_dereference((in_dev)->ifa_list); ifa; \ + ifa = rcu_dereference(ifa->ifa_next)) static inline struct in_device *__in_dev_get_rcu(const struct net_device *dev) { diff --git a/include/linux/input-polldev.h b/include/linux/input-polldev.h index 2465182670db..14821fd231c0 100644 --- a/include/linux/input-polldev.h +++ b/include/linux/input-polldev.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef _INPUT_POLLDEV_H #define _INPUT_POLLDEV_H /* * Copyright (c) 2007 Dmitry Torokhov - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #include <linux/input.h> diff --git a/include/linux/input.h b/include/linux/input.h index 7c7516eb7d76..510e78558c10 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 1999-2002 Vojtech Pavlik - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #ifndef _INPUT_H #define _INPUT_H diff --git a/include/linux/input/ad714x.h b/include/linux/input/ad714x.h index d388d857bf14..20aea668b007 100644 --- a/include/linux/input/ad714x.h +++ b/include/linux/input/ad714x.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/linux/input/ad714x.h * @@ -7,8 +8,6 @@ * information. * * Copyright 2009-2011 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. */ #ifndef __LINUX_INPUT_AD714X_H__ diff --git a/include/linux/input/adp5589.h b/include/linux/input/adp5589.h index 1a05eee15e67..c0523af96893 100644 --- a/include/linux/input/adp5589.h +++ b/include/linux/input/adp5589.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Analog Devices ADP5589/ADP5585 I/O Expander and QWERTY Keypad Controller * * Copyright 2010-2011 Analog Devices Inc. - * - * Licensed under the GPL-2. */ #ifndef _ADP5589_H diff --git a/include/linux/input/adxl34x.h b/include/linux/input/adxl34x.h index 010d98175efa..7efc9008f316 100644 --- a/include/linux/input/adxl34x.h +++ b/include/linux/input/adxl34x.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/linux/input/adxl34x.h * @@ -6,8 +7,6 @@ * device's "struct device" holds this information. * * Copyright 2009 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. */ #ifndef __LINUX_INPUT_ADXL34X_H__ diff --git a/include/linux/input/as5011.h b/include/linux/input/as5011.h index 1affd0ddfa9d..5fba52a56cd6 100644 --- a/include/linux/input/as5011.h +++ b/include/linux/input/as5011.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef _AS5011_H #define _AS5011_H /* * Copyright (c) 2010, 2011 Fabien Marteau <fabien.marteau@armadeus.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ struct as5011_platform_data { diff --git a/include/linux/input/auo-pixcir-ts.h b/include/linux/input/auo-pixcir-ts.h index 5049f21928e4..ed0776997a7a 100644 --- a/include/linux/input/auo-pixcir-ts.h +++ b/include/linux/input/auo-pixcir-ts.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Driver for AUO in-cell touchscreens * @@ -7,17 +8,6 @@ * * Copyright (c) 2008 QUALCOMM Incorporated. * Copyright (c) 2008 QUALCOMM USA, INC. - * - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef __AUO_PIXCIR_TS_H__ diff --git a/include/linux/input/bu21013.h b/include/linux/input/bu21013.h index 6230d76bde5d..7e5b7e978e8a 100644 --- a/include/linux/input/bu21013.h +++ b/include/linux/input/bu21013.h @@ -1,7 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson SA 2010 * Author: Naveen Kumar G <naveen.gaddipati@stericsson.com> for ST-Ericsson - * License terms:GNU General Public License (GPL) version 2 */ #ifndef _BU21013_H diff --git a/include/linux/input/cma3000.h b/include/linux/input/cma3000.h index cbbaac27d311..aaab51fa909f 100644 --- a/include/linux/input/cma3000.h +++ b/include/linux/input/cma3000.h @@ -1,20 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * VTI CMA3000_Dxx Accelerometer driver * * Copyright (C) 2010 Texas Instruments * Author: Hemanth V <hemanthv@ti.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef _LINUX_CMA3000_H diff --git a/include/linux/input/cyttsp.h b/include/linux/input/cyttsp.h index 586c8c95dcb0..118b9af6e01a 100644 --- a/include/linux/input/cyttsp.h +++ b/include/linux/input/cyttsp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Header file for: * Cypress TrueTouch(TM) Standard Product (TTSP) touchscreen drivers. @@ -9,22 +10,7 @@ * Copyright (C) 2009, 2010, 2011 Cypress Semiconductor, Inc. * Copyright (C) 2012 Javier Martinez Canillas <javier@dowhile0.org> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2, and only version 2, as published by the - * Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * * Contact Cypress Semiconductor at www.cypress.com (kev@cypress.com) - * */ #ifndef _CYTTSP_H_ #define _CYTTSP_H_ diff --git a/include/linux/input/kxtj9.h b/include/linux/input/kxtj9.h index d415579b56fe..46e231986fde 100644 --- a/include/linux/input/kxtj9.h +++ b/include/linux/input/kxtj9.h @@ -1,20 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2011 Kionix, Inc. * Written by Chris Hudson <chudson@kionix.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - * 02111-1307, USA */ #ifndef __KXTJ9_H__ diff --git a/include/linux/input/mt.h b/include/linux/input/mt.h index 3f4bf60b0bb5..9e409bb13642 100644 --- a/include/linux/input/mt.h +++ b/include/linux/input/mt.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef _INPUT_MT_H #define _INPUT_MT_H @@ -5,10 +6,6 @@ * Input Multitouch Library * * Copyright (c) 2010 Henrik Rydberg - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #include <linux/input.h> diff --git a/include/linux/input/navpoint.h b/include/linux/input/navpoint.h index 45050eb34de3..d464ffb4db52 100644 --- a/include/linux/input/navpoint.h +++ b/include/linux/input/navpoint.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2012 Paul Parsons <lost.distance@yahoo.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ struct navpoint_platform_data { diff --git a/include/linux/input/samsung-keypad.h b/include/linux/input/samsung-keypad.h index f25619bfd8a8..ab6b97114c08 100644 --- a/include/linux/input/samsung-keypad.h +++ b/include/linux/input/samsung-keypad.h @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Samsung Keypad platform data definitions * * Copyright (C) 2010 Samsung Electronics Co.Ltd * Author: Joonyoung Shim <jy0922.shim@samsung.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #ifndef __SAMSUNG_KEYPAD_H diff --git a/include/linux/input/sparse-keymap.h b/include/linux/input/sparse-keymap.h index c7346e33d958..d25d1452dc6e 100644 --- a/include/linux/input/sparse-keymap.h +++ b/include/linux/input/sparse-keymap.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef _SPARSE_KEYMAP_H #define _SPARSE_KEYMAP_H /* * Copyright (c) 2009 Dmitry Torokhov - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #define KE_END 0 /* Indicates end of keymap */ diff --git a/include/linux/input/touchscreen.h b/include/linux/input/touchscreen.h index 09d22ccb9e41..fe66e2b58f62 100644 --- a/include/linux/input/touchscreen.h +++ b/include/linux/input/touchscreen.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2014 Sebastian Reichel <sre@kernel.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #ifndef _TOUCHSCREEN_H diff --git a/include/linux/integrity.h b/include/linux/integrity.h index 54c853ec2fd1..2271939c5c31 100644 --- a/include/linux/integrity.h +++ b/include/linux/integrity.h @@ -1,10 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2009 IBM Corporation * Author: Mimi Zohar <zohar@us.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, version 2 of the License. */ #ifndef _LINUX_INTEGRITY_H diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 6925a18a5ca3..f2ae8a006ff8 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -1,22 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright © 2006-2015, Intel Corporation. * * Authors: Ashok Raj <ashok.raj@intel.com> * Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> * David Woodhouse <David.Woodhouse@intel.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 Temple - * Place - Suite 330, Boston, MA 02111-1307 USA. */ #ifndef _INTEL_IOMMU_H_ @@ -447,6 +435,12 @@ enum { #define VTD_FLAG_TRANS_PRE_ENABLED (1 << 0) #define VTD_FLAG_IRQ_REMAP_PRE_ENABLED (1 << 1) +extern int intel_iommu_sm; + +#define sm_supported(iommu) (intel_iommu_sm && ecap_smts((iommu)->ecap)) +#define pasid_supported(iommu) (sm_supported(iommu) && \ + ecap_pasid((iommu)->ecap)) + struct pasid_entry; struct pasid_state_entry; struct page_req_dsc; @@ -654,7 +648,6 @@ extern int qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu); extern int dmar_ir_support(void); -struct dmar_domain *get_valid_domain_for_dev(struct device *dev); void *alloc_pgtable_page(int node); void free_pgtable_page(void *vaddr); struct intel_iommu *domain_get_iommu(struct dmar_domain *domain); diff --git a/include/linux/intel-ish-client-if.h b/include/linux/intel-ish-client-if.h index 16255c2ca2f4..0d6b4bc191c5 100644 --- a/include/linux/intel-ish-client-if.h +++ b/include/linux/intel-ish-client-if.h @@ -103,6 +103,7 @@ void ishtp_put_device(struct ishtp_cl_device *cl_dev); void ishtp_get_device(struct ishtp_cl_device *cl_dev); void ishtp_set_drvdata(struct ishtp_cl_device *cl_device, void *data); void *ishtp_get_drvdata(struct ishtp_cl_device *cl_device); +struct ishtp_cl_device *ishtp_dev_to_cl_device(struct device *dev); int ishtp_register_event_cb(struct ishtp_cl_device *device, void (*read_cb)(struct ishtp_cl_device *)); struct ishtp_fw_client *ishtp_fw_cl_get_client(struct ishtp_device *dev, diff --git a/include/linux/intel-pti.h b/include/linux/intel-pti.h index 2710d72de3c9..fcd841a90f2f 100644 --- a/include/linux/intel-pti.h +++ b/include/linux/intel-pti.h @@ -1,15 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) Intel 2011 * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * The PTI (Parallel Trace Interface) driver directs trace data routed from diff --git a/include/linux/intel-svm.h b/include/linux/intel-svm.h index e3f76315ca4d..94f047a8a845 100644 --- a/include/linux/intel-svm.h +++ b/include/linux/intel-svm.h @@ -1,16 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright © 2015 Intel Corporation. * * Authors: David Woodhouse <David.Woodhouse@intel.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #ifndef __INTEL_SVM_H__ @@ -57,7 +49,7 @@ struct svm_dev_ops { /** * intel_svm_bind_mm() - Bind the current process to a PASID - * @dev: Device to be granted acccess + * @dev: Device to be granted access * @pasid: Address for allocated PASID * @flags: Flags. Later for requesting supervisor mode, etc. * @ops: Callbacks to device driver diff --git a/include/linux/interval_tree_generic.h b/include/linux/interval_tree_generic.h index 1f97ce26cccc..855476145fe1 100644 --- a/include/linux/interval_tree_generic.h +++ b/include/linux/interval_tree_generic.h @@ -1,20 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Interval Trees (C) 2012 Michel Lespinasse <walken@google.com> - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA include/linux/interval_tree_generic.h */ diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h index 58df02bd93c9..6e125e9b4187 100644 --- a/include/linux/io-mapping.h +++ b/include/linux/io-mapping.h @@ -1,18 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright © 2008 Keith Packard <keithp@keithp.com> - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef _LINUX_IO_MAPPING_H diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h index 76969a564831..b5a450a3bb47 100644 --- a/include/linux/io-pgtable.h +++ b/include/linux/io-pgtable.h @@ -44,6 +44,8 @@ struct iommu_gather_ops { * tables. * @ias: Input address (iova) size, in bits. * @oas: Output address (paddr) size, in bits. + * @coherent_walk A flag to indicate whether or not page table walks made + * by the IOMMU are coherent with the CPU caches. * @tlb: TLB management callbacks for this set of tables. * @iommu_dev: The device representing the DMA configuration for the * page table walker. @@ -68,11 +70,6 @@ struct io_pgtable_cfg { * when the SoC is in "4GB mode" and they can only access the high * remap of DRAM (0x1_00000000 to 0x1_ffffffff). * - * IO_PGTABLE_QUIRK_NO_DMA: Guarantees that the tables will only ever - * be accessed by a fully cache-coherent IOMMU or CPU (e.g. for a - * software-emulated IOMMU), such that pagetable updates need not - * be treated as explicit DMA data. - * * IO_PGTABLE_QUIRK_NON_STRICT: Skip issuing synchronous leaf TLBIs * on unmap, for DMA domains using the flush queue mechanism for * delayed invalidation. @@ -81,12 +78,12 @@ struct io_pgtable_cfg { #define IO_PGTABLE_QUIRK_NO_PERMS BIT(1) #define IO_PGTABLE_QUIRK_TLBI_ON_MAP BIT(2) #define IO_PGTABLE_QUIRK_ARM_MTK_4GB BIT(3) - #define IO_PGTABLE_QUIRK_NO_DMA BIT(4) - #define IO_PGTABLE_QUIRK_NON_STRICT BIT(5) + #define IO_PGTABLE_QUIRK_NON_STRICT BIT(4) unsigned long quirks; unsigned long pgsize_bitmap; unsigned int ias; unsigned int oas; + bool coherent_walk; const struct iommu_gather_ops *tlb; struct device *iommu_dev; diff --git a/include/linux/io.h b/include/linux/io.h index 32e30e8fb9db..9876e5801a9d 100644 --- a/include/linux/io.h +++ b/include/linux/io.h @@ -1,18 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2006 PathScale, Inc. All Rights Reserved. - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef _LINUX_IO_H diff --git a/include/linux/iomap.h b/include/linux/iomap.h index 2103b94cb1bf..1df9ea187a9a 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -35,6 +35,7 @@ struct vm_fault; #define IOMAP_F_NEW 0x01 /* blocks have been newly allocated */ #define IOMAP_F_DIRTY 0x02 /* uncommitted metadata */ #define IOMAP_F_BUFFER_HEAD 0x04 /* file system requires buffer heads */ +#define IOMAP_F_SIZE_CHANGED 0x08 /* file size has changed */ /* * Flags that only need to be reported for IOMAP_REPORT requests: diff --git a/include/linux/iommu.h b/include/linux/iommu.h index a815cf6f6f47..fdc355ccc570 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -1,19 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2007-2008 Advanced Micro Devices, Inc. * Author: Joerg Roedel <joerg.roedel@amd.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __LINUX_IOMMU_H @@ -25,6 +13,7 @@ #include <linux/errno.h> #include <linux/err.h> #include <linux/of.h> +#include <uapi/linux/iommu.h> #define IOMMU_READ (1 << 0) #define IOMMU_WRITE (1 << 1) @@ -41,6 +30,12 @@ * if the IOMMU page table format is equivalent. */ #define IOMMU_PRIV (1 << 5) +/* + * Non-coherent masters on few Qualcomm SoCs can use this page protection flag + * to set correct cacheability attributes to use an outer level of cache - + * last level cache, aka system cache. + */ +#define IOMMU_QCOM_SYS_CACHE (1 << 6) struct iommu_ops; struct iommu_group; @@ -49,6 +44,7 @@ struct device; struct iommu_domain; struct notifier_block; struct iommu_sva; +struct iommu_fault_event; /* iommu fault flags */ #define IOMMU_FAULT_READ 0x0 @@ -58,6 +54,7 @@ typedef int (*iommu_fault_handler_t)(struct iommu_domain *, struct device *, unsigned long, int, void *); typedef int (*iommu_mm_exit_handler_t)(struct device *dev, struct iommu_sva *, void *); +typedef int (*iommu_dev_fault_handler_t)(struct iommu_fault *, void *); struct iommu_domain_geometry { dma_addr_t aperture_start; /* First address that can be mapped */ @@ -135,6 +132,12 @@ enum iommu_attr { enum iommu_resv_type { /* Memory regions which must be mapped 1:1 at all times */ IOMMU_RESV_DIRECT, + /* + * Memory regions which are advertised to be 1:1 but are + * commonly considered relaxable in some conditions, + * for instance in device assignment use case (USB, Graphics) + */ + IOMMU_RESV_DIRECT_RELAXABLE, /* Arbitrary "never map this or give it to a device" address ranges */ IOMMU_RESV_RESERVED, /* Hardware MSI region (untranslated) */ @@ -224,6 +227,7 @@ struct iommu_sva_ops { * @sva_bind: Bind process address space to device * @sva_unbind: Unbind process address space from device * @sva_get_pasid: Get PASID associated to a SVA handle + * @page_response: handle page request response * @pgsize_bitmap: bitmap of all possible supported page sizes */ struct iommu_ops { @@ -284,6 +288,10 @@ struct iommu_ops { void (*sva_unbind)(struct iommu_sva *handle); int (*sva_get_pasid)(struct iommu_sva *handle); + int (*page_response)(struct device *dev, + struct iommu_fault_event *evt, + struct iommu_page_response *msg); + unsigned long pgsize_bitmap; }; @@ -301,6 +309,48 @@ struct iommu_device { struct device *dev; }; +/** + * struct iommu_fault_event - Generic fault event + * + * Can represent recoverable faults such as a page requests or + * unrecoverable faults such as DMA or IRQ remapping faults. + * + * @fault: fault descriptor + * @list: pending fault event list, used for tracking responses + */ +struct iommu_fault_event { + struct iommu_fault fault; + struct list_head list; +}; + +/** + * struct iommu_fault_param - per-device IOMMU fault data + * @handler: Callback function to handle IOMMU faults at device level + * @data: handler private data + * @faults: holds the pending faults which needs response + * @lock: protect pending faults list + */ +struct iommu_fault_param { + iommu_dev_fault_handler_t handler; + void *data; + struct list_head faults; + struct mutex lock; +}; + +/** + * struct iommu_param - collection of per-device IOMMU data + * + * @fault_param: IOMMU detected device fault reporting data + * + * TODO: migrate other per device data pointers under iommu_dev_data, e.g. + * struct iommu_group *iommu_group; + * struct iommu_fwspec *iommu_fwspec; + */ +struct iommu_param { + struct mutex lock; + struct iommu_fault_param *fault_param; +}; + int iommu_device_register(struct iommu_device *iommu); void iommu_device_unregister(struct iommu_device *iommu); int iommu_device_sysfs_add(struct iommu_device *iommu, @@ -362,6 +412,7 @@ extern void iommu_set_fault_handler(struct iommu_domain *domain, extern void iommu_get_resv_regions(struct device *dev, struct list_head *list); extern void iommu_put_resv_regions(struct device *dev, struct list_head *list); extern int iommu_request_dm_for_dev(struct device *dev); +extern int iommu_request_dma_domain_for_dev(struct device *dev); extern struct iommu_resv_region * iommu_alloc_resv_region(phys_addr_t start, size_t length, int prot, enum iommu_resv_type type); @@ -390,6 +441,17 @@ extern int iommu_group_register_notifier(struct iommu_group *group, struct notifier_block *nb); extern int iommu_group_unregister_notifier(struct iommu_group *group, struct notifier_block *nb); +extern int iommu_register_device_fault_handler(struct device *dev, + iommu_dev_fault_handler_t handler, + void *data); + +extern int iommu_unregister_device_fault_handler(struct device *dev); + +extern int iommu_report_device_fault(struct device *dev, + struct iommu_fault_event *evt); +extern int iommu_page_response(struct device *dev, + struct iommu_page_response *msg); + extern int iommu_group_id(struct iommu_group *group); extern struct iommu_group *iommu_group_get_for_dev(struct device *dev); extern struct iommu_domain *iommu_group_default_domain(struct iommu_group *); @@ -504,6 +566,7 @@ struct iommu_ops {}; struct iommu_group {}; struct iommu_fwspec {}; struct iommu_device {}; +struct iommu_fault_param {}; static inline bool iommu_present(struct bus_type *bus) { @@ -626,6 +689,11 @@ static inline int iommu_request_dm_for_dev(struct device *dev) return -ENODEV; } +static inline int iommu_request_dma_domain_for_dev(struct device *dev) +{ + return -ENODEV; +} + static inline int iommu_attach_group(struct iommu_domain *domain, struct iommu_group *group) { @@ -697,6 +765,31 @@ static inline int iommu_group_unregister_notifier(struct iommu_group *group, return 0; } +static inline +int iommu_register_device_fault_handler(struct device *dev, + iommu_dev_fault_handler_t handler, + void *data) +{ + return -ENODEV; +} + +static inline int iommu_unregister_device_fault_handler(struct device *dev) +{ + return 0; +} + +static inline +int iommu_report_device_fault(struct device *dev, struct iommu_fault_event *evt) +{ + return -ENODEV; +} + +static inline int iommu_page_response(struct device *dev, + struct iommu_page_response *msg) +{ + return -ENODEV; +} + static inline int iommu_group_id(struct iommu_group *group) { return -ENODEV; diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h index b1d861caca16..35e15dfd4155 100644 --- a/include/linux/iopoll.h +++ b/include/linux/iopoll.h @@ -1,15 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2012-2014 The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef _LINUX_IOPOLL_H @@ -30,7 +21,7 @@ * @cond: Break condition (usually involving @val) * @sleep_us: Maximum time to sleep between reads in us (0 * tight-loops). Should be less than ~20ms since usleep_range - * is used (see Documentation/timers/timers-howto.txt). + * is used (see Documentation/timers/timers-howto.rst). * @timeout_us: Timeout in us, 0 means never timeout * * Returns 0 on success and -ETIMEDOUT upon a timeout. In either @@ -69,7 +60,7 @@ * @cond: Break condition (usually involving @val) * @delay_us: Time to udelay between reads in us (0 tight-loops). Should * be less than ~10us since udelay is used (see - * Documentation/timers/timers-howto.txt). + * Documentation/timers/timers-howto.rst). * @timeout_us: Timeout in us, 0 means never timeout * * Returns 0 on success and -ETIMEDOUT upon a timeout. In either diff --git a/include/linux/ioport.h b/include/linux/ioport.h index da0ebaec25f0..5db386cfc2d4 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -12,6 +12,7 @@ #ifndef __ASSEMBLY__ #include <linux/compiler.h> #include <linux/types.h> +#include <linux/bits.h> /* * Resources are tree-like, allowing * nesting etc.. @@ -133,6 +134,15 @@ enum { IORES_DESC_PERSISTENT_MEMORY_LEGACY = 5, IORES_DESC_DEVICE_PRIVATE_MEMORY = 6, IORES_DESC_DEVICE_PUBLIC_MEMORY = 7, + IORES_DESC_RESERVED = 8, +}; + +/* + * Flags controlling ioremap() behavior. + */ +enum { + IORES_MAP_SYSTEM_RAM = BIT(0), + IORES_MAP_ENCRYPTED = BIT(1), }; /* helpers to define resources */ diff --git a/include/linux/iova.h b/include/linux/iova.h index 28a5128405f8..781b96ac706f 100644 --- a/include/linux/iova.h +++ b/include/linux/iova.h @@ -1,11 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2006, Intel Corporation. * - * This file is released under the GPLv2. - * * Copyright (C) 2006-2008 Intel Corporation * Author: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> - * */ #ifndef _IOVA_H_ diff --git a/include/linux/ip.h b/include/linux/ip.h index 482b7b7c9f30..3d9c6750af62 100644 --- a/include/linux/ip.h +++ b/include/linux/ip.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -8,11 +9,6 @@ * Version: @(#)ip.h 1.0.2 04/28/93 * * Authors: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IP_H #define _LINUX_IP_H diff --git a/include/linux/ipack.h b/include/linux/ipack.h index 8bddc3fbdddf..2c6936b8371f 100644 --- a/include/linux/ipack.h +++ b/include/linux/ipack.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Industry-pack bus. * * Copyright (C) 2011-2012 CERN (www.cern.ch) * Author: Samuel Iglesias Gonsalvez <siglesias@igalia.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; version 2 of the License. */ #include <linux/mod_devicetable.h> diff --git a/include/linux/ipv6_route.h b/include/linux/ipv6_route.h index 25b5f1f5e780..5711e246c39c 100644 --- a/include/linux/ipv6_route.h +++ b/include/linux/ipv6_route.h @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Linux INET6 implementation * * Authors: * Pedro Roque <roque@di.fc.ul.pt> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IPV6_ROUTE_H #define _LINUX_IPV6_ROUTE_H diff --git a/include/linux/irqbypass.h b/include/linux/irqbypass.h index f0f5d2671509..9bdb2a781841 100644 --- a/include/linux/irqbypass.h +++ b/include/linux/irqbypass.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * IRQ offload/bypass manager * * Copyright (C) 2015 Red Hat, Inc. * Copyright (c) 2015 Linaro Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef IRQBYPASS_H #define IRQBYPASS_H diff --git a/include/linux/irqchip/arm-gic-common.h b/include/linux/irqchip/arm-gic-common.h index 9a1a479a2bf4..b9850f5f1906 100644 --- a/include/linux/irqchip/arm-gic-common.h +++ b/include/linux/irqchip/arm-gic-common.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * include/linux/irqchip/arm-gic-common.h * * Copyright (C) 2016 ARM Limited, All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_IRQCHIP_ARM_GIC_COMMON_H #define __LINUX_IRQCHIP_ARM_GIC_COMMON_H @@ -39,4 +36,9 @@ struct gic_kvm_info { const struct gic_kvm_info *gic_get_kvm_info(void); +struct irq_domain; +struct fwnode_handle; +int gicv2m_init(struct fwnode_handle *parent_handle, + struct irq_domain *parent); + #endif /* __LINUX_IRQCHIP_ARM_GIC_COMMON_H */ diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index c7e3e39224c6..67c4b9806d43 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -1,19 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2013, 2014 ARM Limited, All Rights Reserved. * Author: Marc Zyngier <marc.zyngier@arm.com> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __LINUX_IRQCHIP_ARM_GIC_V3_H #define __LINUX_IRQCHIP_ARM_GIC_V3_H diff --git a/include/linux/irqchip/arm-gic-v4.h b/include/linux/irqchip/arm-gic-v4.h index fa683ea5c769..e6b155713b47 100644 --- a/include/linux/irqchip/arm-gic-v4.h +++ b/include/linux/irqchip/arm-gic-v4.h @@ -1,18 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2016,2017 ARM Limited, All Rights Reserved. * Author: Marc Zyngier <marc.zyngier@arm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __LINUX_IRQCHIP_ARM_GIC_V4_H diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h index 0f049b384ccd..5686711b0f40 100644 --- a/include/linux/irqchip/arm-gic.h +++ b/include/linux/irqchip/arm-gic.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * include/linux/irqchip/arm-gic.h * * Copyright (C) 2002 ARM Limited, All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_IRQCHIP_ARM_GIC_H #define __LINUX_IRQCHIP_ARM_GIC_H @@ -160,9 +157,6 @@ int gic_of_init_child(struct device *dev, struct gic_chip_data **gic, int irq); */ void gic_init(void __iomem *dist , void __iomem *cpu); -int gicv2m_init(struct fwnode_handle *parent_handle, - struct irq_domain *parent); - void gic_send_sgi(unsigned int cpu_id, unsigned int irq); int gic_get_cpu_id(unsigned int cpu); void gic_migrate_target(unsigned int new_cpu_id); diff --git a/include/linux/irqchip/arm-vic.h b/include/linux/irqchip/arm-vic.h index ba46c794b4e5..a158b97242c7 100644 --- a/include/linux/irqchip/arm-vic.h +++ b/include/linux/irqchip/arm-vic.h @@ -1,21 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * arch/arm/include/asm/hardware/vic.h * * Copyright (c) ARM Limited 2003. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __ASM_ARM_HARDWARE_VIC_H #define __ASM_ARM_HARDWARE_VIC_H diff --git a/include/linux/irqchip/chained_irq.h b/include/linux/irqchip/chained_irq.h index adf4c30f3af6..dd8b3c476666 100644 --- a/include/linux/irqchip/chained_irq.h +++ b/include/linux/irqchip/chained_irq.h @@ -1,19 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Chained IRQ handlers support. * * Copyright (C) 2011 ARM Ltd. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __IRQCHIP_CHAINED_IRQ_H #define __IRQCHIP_CHAINED_IRQ_H diff --git a/include/linux/irqchip/ingenic.h b/include/linux/irqchip/ingenic.h index 0ee319a4029d..146558853ad4 100644 --- a/include/linux/irqchip/ingenic.h +++ b/include/linux/irqchip/ingenic.h @@ -1,15 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * */ #ifndef __LINUX_IRQCHIP_INGENIC_H__ diff --git a/include/linux/irqchip/irq-bcm2836.h b/include/linux/irqchip/irq-bcm2836.h index 218a6e1b18d8..f224d6f9e550 100644 --- a/include/linux/irqchip/irq-bcm2836.h +++ b/include/linux/irqchip/irq-bcm2836.h @@ -1,17 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Root interrupt controller for the BCM2836 (Raspberry Pi 2). * * Copyright 2015 Broadcom - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #define LOCAL_CONTROL 0x000 diff --git a/include/linux/irqchip/irq-omap-intc.h b/include/linux/irqchip/irq-omap-intc.h index f19ccee7749f..216e5adf80ce 100644 --- a/include/linux/irqchip/irq-omap-intc.h +++ b/include/linux/irqchip/irq-omap-intc.h @@ -1,18 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /** * irq-omap-intc.h - INTC Idle Functions * * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com * * Author: Felipe Balbi <balbi@ti.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef __INCLUDE_LINUX_IRQCHIP_IRQ_OMAP_INTC_H diff --git a/include/linux/irqchip/irq-partition-percpu.h b/include/linux/irqchip/irq-partition-percpu.h index 87433a5d1285..a783ddb58444 100644 --- a/include/linux/irqchip/irq-partition-percpu.h +++ b/include/linux/irqchip/irq-partition-percpu.h @@ -1,18 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2016 ARM Limited, All Rights Reserved. * Author: Marc Zyngier <marc.zyngier@arm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/fwnode.h> diff --git a/include/linux/irqchip/irq-sa11x0.h b/include/linux/irqchip/irq-sa11x0.h index 15db6829c1e4..68fd2d73b683 100644 --- a/include/linux/irqchip/irq-sa11x0.h +++ b/include/linux/irqchip/irq-sa11x0.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Generic IRQ handling for the SA11x0. * * Copyright (C) 2015 Dmitry Eremin-Solenikov * Copyright (C) 1999-2001 Nicolas Pitre - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __INCLUDE_LINUX_IRQCHIP_IRQ_SA11x0_H diff --git a/include/linux/irqchip/mxs.h b/include/linux/irqchip/mxs.h index 9039a538a919..4f447e3f0f3a 100644 --- a/include/linux/irqchip/mxs.h +++ b/include/linux/irqchip/mxs.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2013 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_IRQCHIP_MXS_H diff --git a/include/linux/iscsi_boot_sysfs.h b/include/linux/iscsi_boot_sysfs.h index 10923d730486..5f244d3f1472 100644 --- a/include/linux/iscsi_boot_sysfs.h +++ b/include/linux/iscsi_boot_sysfs.h @@ -1,17 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Export the iSCSI boot info to userland via sysfs. * |