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-rw-r--r--arch/ia64/Kconfig8
-rw-r--r--arch/ia64/ia32/binfmt_elf32.c2
-rw-r--r--arch/ia64/ia32/ia32_entry.S4
-rw-r--r--arch/ia64/ia32/ia32priv.h4
-rw-r--r--arch/ia64/ia32/sys_ia32.c91
-rw-r--r--arch/ia64/include/asm/a.out.h32
-rw-r--r--arch/ia64/include/asm/dma-mapping.h4
-rw-r--r--arch/ia64/include/asm/elf.h2
-rw-r--r--arch/ia64/include/asm/kvm_host.h6
-rw-r--r--arch/ia64/include/asm/siginfo.h5
-rw-r--r--arch/ia64/include/asm/statfs.h52
-rw-r--r--arch/ia64/kernel/smpboot.c1
-rw-r--r--arch/ia64/kvm/Kconfig2
-rw-r--r--arch/ia64/kvm/Makefile6
-rw-r--r--arch/ia64/kvm/irq.h31
-rw-r--r--arch/ia64/kvm/kvm-ia64.c66
-rw-r--r--arch/ia64/kvm/kvm_minstate.h23
-rw-r--r--arch/ia64/kvm/optvfault.S181
-rw-r--r--arch/ia64/kvm/process.c4
-rw-r--r--arch/ia64/kvm/vcpu.h26
-rw-r--r--arch/ia64/kvm/vmm_ivt.S39
-rw-r--r--arch/ia64/kvm/vtlb.c23
-rw-r--r--arch/ia64/mm/init.c1
23 files changed, 321 insertions, 292 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 48e496fe1e7..3b7aa38254a 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -60,14 +60,6 @@ config RWSEM_XCHGADD_ALGORITHM
bool
default y
-config ARCH_HAS_ILOG2_U32
- bool
- default n
-
-config ARCH_HAS_ILOG2_U64
- bool
- default n
-
config HUGETLB_PAGE_SIZE_VARIABLE
bool
depends on HUGETLB_PAGE
diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c
index 4f0c30c38e9..f92bdaac897 100644
--- a/arch/ia64/ia32/binfmt_elf32.c
+++ b/arch/ia64/ia32/binfmt_elf32.c
@@ -41,7 +41,7 @@ randomize_stack_top(unsigned long stack_top);
#define elf_map elf32_map
#undef SET_PERSONALITY
-#define SET_PERSONALITY(ex, ibcs2) elf32_set_personality()
+#define SET_PERSONALITY(ex) elf32_set_personality()
#define elf_read_implies_exec(ex, have_pt_gnu_stack) (!(have_pt_gnu_stack))
diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S
index ff88c48c5d1..53505bb0477 100644
--- a/arch/ia64/ia32/ia32_entry.S
+++ b/arch/ia64/ia32/ia32_entry.S
@@ -251,8 +251,8 @@ ia32_syscall_table:
data8 compat_sys_setrlimit /* 75 */
data8 compat_sys_old_getrlimit
data8 compat_sys_getrusage
- data8 sys32_gettimeofday
- data8 sys32_settimeofday
+ data8 compat_sys_gettimeofday
+ data8 compat_sys_settimeofday
data8 sys32_getgroups16 /* 80 */
data8 sys32_setgroups16
data8 sys32_old_select
diff --git a/arch/ia64/ia32/ia32priv.h b/arch/ia64/ia32/ia32priv.h
index dd0c53687a9..0f15349c3c6 100644
--- a/arch/ia64/ia32/ia32priv.h
+++ b/arch/ia64/ia32/ia32priv.h
@@ -332,8 +332,8 @@ void ia64_elf32_init(struct pt_regs *regs);
#define ELF_PLATFORM NULL
#ifdef __KERNEL__
-# define SET_PERSONALITY(EX,IBCS2) \
- (current->personality = (IBCS2) ? PER_SVR4 : PER_LINUX)
+# define SET_PERSONALITY(EX) \
+ (current->personality = PER_LINUX)
#endif
#define IA32_EFLAG 0x200
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index bf196cbb379..f4430bb4bbd 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -118,41 +118,6 @@ sys32_execve (char __user *name, compat_uptr_t __user *argv, compat_uptr_t __use
return error;
}
-int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf)
-{
- compat_ino_t ino;
- int err;
-
- if ((u64) stat->size > MAX_NON_LFS ||
- !old_valid_dev(stat->dev) ||
- !old_valid_dev(stat->rdev))
- return -EOVERFLOW;
-
- ino = stat->ino;
- if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino)
- return -EOVERFLOW;
-
- if (clear_user(ubuf, sizeof(*ubuf)))
- return -EFAULT;
-
- err = __put_user(old_encode_dev(stat->dev), &ubuf->st_dev);
- err |= __put_user(ino, &ubuf->st_ino);
- err |= __put_user(stat->mode, &ubuf->st_mode);
- err |= __put_user(stat->nlink, &ubuf->st_nlink);
- err |= __put_user(high2lowuid(stat->uid), &ubuf->st_uid);
- err |= __put_user(high2lowgid(stat->gid), &ubuf->st_gid);
- err |= __put_user(old_encode_dev(stat->rdev), &ubuf->st_rdev);
- err |= __put_user(stat->size, &ubuf->st_size);
- err |= __put_user(stat->atime.tv_sec, &ubuf->st_atime);
- err |= __put_user(stat->atime.tv_nsec, &ubuf->st_atime_nsec);
- err |= __put_user(stat->mtime.tv_sec, &ubuf->st_mtime);
- err |= __put_user(stat->mtime.tv_nsec, &ubuf->st_mtime_nsec);
- err |= __put_user(stat->ctime.tv_sec, &ubuf->st_ctime);
- err |= __put_user(stat->ctime.tv_nsec, &ubuf->st_ctime_nsec);
- err |= __put_user(stat->blksize, &ubuf->st_blksize);
- err |= __put_user(stat->blocks, &ubuf->st_blocks);
- return err;
-}
#if PAGE_SHIFT > IA32_PAGE_SHIFT
@@ -1148,68 +1113,12 @@ sys32_pipe (int __user *fd)
return retval;
}
-static inline long
-get_tv32 (struct timeval *o, struct compat_timeval __user *i)
-{
- return (!access_ok(VERIFY_READ, i, sizeof(*i)) ||
- (__get_user(o->tv_sec, &i->tv_sec) | __get_user(o->tv_usec, &i->tv_usec)));
-}
-
-static inline long
-put_tv32 (struct compat_timeval __user *o, struct timeval *i)
-{
- return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) ||
- (__put_user(i->tv_sec, &o->tv_sec) | __put_user(i->tv_usec, &o->tv_usec)));
-}
-
asmlinkage unsigned long
sys32_alarm (unsigned int seconds)
{
return alarm_setitimer(seconds);
}
-/* Translations due to time_t size differences. Which affects all
- sorts of things, like timeval and itimerval. */
-
-extern struct timezone sys_tz;
-
-asmlinkage long
-sys32_gettimeofday (struct compat_timeval __user *tv, struct timezone __user *tz)
-{
- if (tv) {
- struct timeval ktv;
- do_gettimeofday(&ktv);
- if (put_tv32(tv, &ktv))
- return -EFAULT;
- }
- if (tz) {
- if (copy_to_user(tz, &sys_tz, sizeof(sys_tz)))
- return -EFAULT;
- }
- return 0;
-}
-
-asmlinkage long
-sys32_settimeofday (struct compat_timeval __user *tv, struct timezone __user *tz)
-{
- struct timeval ktv;
- struct timespec kts;
- struct timezone ktz;
-
- if (tv) {
- if (get_tv32(&ktv, tv))
- return -EFAULT;
- kts.tv_sec = ktv.tv_sec;
- kts.tv_nsec = ktv.tv_usec * 1000;
- }
- if (tz) {
- if (copy_from_user(&ktz, tz, sizeof(ktz)))
- return -EFAULT;
- }
-
- return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
-}
-
struct sel_arg_struct {
unsigned int n;
unsigned int inp;
diff --git a/arch/ia64/include/asm/a.out.h b/arch/ia64/include/asm/a.out.h
deleted file mode 100644
index 193dcfb6759..00000000000
--- a/arch/ia64/include/asm/a.out.h
+++ /dev/null
@@ -1,32 +0,0 @@
-#ifndef _ASM_IA64_A_OUT_H
-#define _ASM_IA64_A_OUT_H
-
-/*
- * No a.out format has been (or should be) defined so this file is
- * just a dummy that allows us to get binfmt_elf compiled. It
- * probably would be better to clean up binfmt_elf.c so it does not
- * necessarily depend on there being a.out support.
- *
- * Modified 1998-2002
- * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co.
- */
-
-#include <linux/types.h>
-
-struct exec {
- unsigned long a_info;
- unsigned long a_text;
- unsigned long a_data;
- unsigned long a_bss;
- unsigned long a_entry;
-};
-
-#define N_TXTADDR(x) 0
-#define N_DATADDR(x) 0
-#define N_BSSADDR(x) 0
-#define N_DRSIZE(x) 0
-#define N_TRSIZE(x) 0
-#define N_SYMSIZE(x) 0
-#define N_TXTOFF(x) 0
-
-#endif /* _ASM_IA64_A_OUT_H */
diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
index 9f0df9bd46b..06ff1ba2146 100644
--- a/arch/ia64/include/asm/dma-mapping.h
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -8,7 +8,9 @@
#include <asm/machvec.h>
#include <linux/scatterlist.h>
-#define dma_alloc_coherent platform_dma_alloc_coherent
+#define dma_alloc_coherent(dev, size, handle, gfp) \
+ platform_dma_alloc_coherent(dev, size, handle, (gfp) | GFP_DMA)
+
/* coherent mem. is cheap */
static inline void *
dma_alloc_noncoherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h
index 2acb6b6543c..86eddee029c 100644
--- a/arch/ia64/include/asm/elf.h
+++ b/arch/ia64/include/asm/elf.h
@@ -202,7 +202,7 @@ extern void ia64_elf_core_copy_regs (struct pt_regs *src, elf_gregset_t dst);
relevant until we have real hardware to play with... */
#define ELF_PLATFORM NULL
-#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX)
+#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
#define elf_read_implies_exec(ex, executable_stack) \
((executable_stack!=EXSTACK_DISABLE_X) && ((ex).e_flags & EF_IA_64_LINUX_EXECUTABLE_STACK) != 0)
diff --git a/arch/ia64/include/asm/kvm_host.h b/arch/ia64/include/asm/kvm_host.h
index 1efe513a994..85db124d37f 100644
--- a/arch/ia64/include/asm/kvm_host.h
+++ b/arch/ia64/include/asm/kvm_host.h
@@ -132,7 +132,7 @@
#define GPFN_IOSAPIC (4UL << 60) /* IOSAPIC base */
#define GPFN_LEGACY_IO (5UL << 60) /* Legacy I/O base */
#define GPFN_GFW (6UL << 60) /* Guest Firmware */
-#define GPFN_HIGH_MMIO (7UL << 60) /* High MMIO range */
+#define GPFN_PHYS_MMIO (7UL << 60) /* Directed MMIO Range */
#define GPFN_IO_MASK (7UL << 60) /* Guest pfn is I/O type */
#define GPFN_INV_MASK (1UL << 63) /* Guest pfn is invalid */
@@ -413,6 +413,10 @@ struct kvm_arch {
struct kvm_ioapic *vioapic;
struct kvm_vm_stat stat;
struct kvm_sal_data rdv_sal_data;
+
+ struct list_head assigned_dev_head;
+ struct dmar_domain *intel_iommu_domain;
+ struct hlist_head irq_ack_notifier_list;
};
union cpuid3_t {
diff --git a/arch/ia64/include/asm/siginfo.h b/arch/ia64/include/asm/siginfo.h
index 9294e4b0c8b..118d4297900 100644
--- a/arch/ia64/include/asm/siginfo.h
+++ b/arch/ia64/include/asm/siginfo.h
@@ -113,11 +113,6 @@ typedef struct siginfo {
#undef NSIGSEGV
#define NSIGSEGV 3
-/*
- * SIGTRAP si_codes
- */
-#define TRAP_BRANCH (__SI_FAULT|3) /* process taken branch trap */
-#define TRAP_HWBKPT (__SI_FAULT|4) /* hardware breakpoint or watchpoint */
#undef NSIGTRAP
#define NSIGTRAP 4
diff --git a/arch/ia64/include/asm/statfs.h b/arch/ia64/include/asm/statfs.h
index 811097974f3..1e589669de5 100644
--- a/arch/ia64/include/asm/statfs.h
+++ b/arch/ia64/include/asm/statfs.h
@@ -8,55 +8,13 @@
* David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
*/
-#ifndef __KERNEL_STRICT_NAMES
-# include <linux/types.h>
-typedef __kernel_fsid_t fsid_t;
-#endif
-
/*
- * This is ugly --- we're already 64-bit, so just duplicate the definitions
+ * We need compat_statfs64 to be packed, because the i386 ABI won't
+ * add padding at the end to bring it to a multiple of 8 bytes, but
+ * the IA64 ABI will.
*/
-struct statfs {
- long f_type;
- long f_bsize;
- long f_blocks;
- long f_bfree;
- long f_bavail;
- long f_files;
- long f_ffree;
- __kernel_fsid_t f_fsid;
- long f_namelen;
- long f_frsize;
- long f_spare[5];
-};
-
-
-struct statfs64 {
- long f_type;
- long f_bsize;
- long f_blocks;
- long f_bfree;
- long f_bavail;
- long f_files;
- long f_ffree;
- __kernel_fsid_t f_fsid;
- long f_namelen;
- long f_frsize;
- long f_spare[5];
-};
+#define ARCH_PACK_COMPAT_STATFS64 __attribute__((packed,aligned(4)))
-struct compat_statfs64 {
- __u32 f_type;
- __u32 f_bsize;
- __u64 f_blocks;
- __u64 f_bfree;
- __u64 f_bavail;
- __u64 f_files;
- __u64 f_ffree;
- __kernel_fsid_t f_fsid;
- __u32 f_namelen;
- __u32 f_frsize;
- __u32 f_spare[5];
-} __attribute__((packed));
+#include <asm-generic/statfs.h>
#endif /* _ASM_IA64_STATFS_H */
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index d8f05e504fb..1dcbb85fc4e 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -401,6 +401,7 @@ smp_callin (void)
spin_lock(&vector_lock);
/* Setup the per cpu irq handling data structures */
__setup_vector_irq(cpuid);
+ notify_cpu_starting(cpuid);
cpu_set(cpuid, cpu_online_map);
per_cpu(cpu_state, cpuid) = CPU_ONLINE;
spin_unlock(&vector_lock);
diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig
index 7914e482850..8e99fed6b3f 100644
--- a/arch/ia64/kvm/Kconfig
+++ b/arch/ia64/kvm/Kconfig
@@ -46,4 +46,6 @@ config KVM_INTEL
config KVM_TRACE
bool
+source drivers/virtio/Kconfig
+
endif # VIRTUALIZATION
diff --git a/arch/ia64/kvm/Makefile b/arch/ia64/kvm/Makefile
index bf22fb9e6dc..cf37f8f490c 100644
--- a/arch/ia64/kvm/Makefile
+++ b/arch/ia64/kvm/Makefile
@@ -44,7 +44,11 @@ EXTRA_CFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/
EXTRA_AFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/
common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \
- coalesced_mmio.o)
+ coalesced_mmio.o irq_comm.o)
+
+ifeq ($(CONFIG_DMAR),y)
+common-objs += $(addprefix ../../../virt/kvm/, vtd.o)
+endif
kvm-objs := $(common-objs) kvm-ia64.o kvm_fw.o
obj-$(CONFIG_KVM) += kvm.o
diff --git a/arch/ia64/kvm/irq.h b/arch/ia64/kvm/irq.h
new file mode 100644
index 00000000000..c6786e8b1bf
--- /dev/null
+++ b/arch/ia64/kvm/irq.h
@@ -0,0 +1,31 @@
+/*
+ * irq.h: In-kernel interrupt controller related definitions
+ * Copyright (c) 2008, 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.
+ *
+ * Authors:
+ * Xiantao Zhang <xiantao.zhang@intel.com>
+ *
+ */
+
+#ifndef __IRQ_H
+#define __IRQ_H
+
+static inline int irqchip_in_kernel(struct kvm *kvm)
+{
+ return 1;
+}
+
+#endif
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index cd0d1a7284b..c0699f0e35a 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -31,6 +31,7 @@
#include <linux/bitops.h>
#include <linux/hrtimer.h>
#include <linux/uaccess.h>
+#include <linux/intel-iommu.h>
#include <asm/pgtable.h>
#include <asm/gcc_intrin.h>
@@ -45,6 +46,7 @@
#include "iodev.h"
#include "ioapic.h"
#include "lapic.h"
+#include "irq.h"
static unsigned long kvm_vmm_base;
static unsigned long kvm_vsa_base;
@@ -179,12 +181,16 @@ int kvm_dev_ioctl_check_extension(long ext)
switch (ext) {
case KVM_CAP_IRQCHIP:
case KVM_CAP_USER_MEMORY:
+ case KVM_CAP_MP_STATE:
r = 1;
break;
case KVM_CAP_COALESCED_MMIO:
r = KVM_COALESCED_MMIO_PAGE_OFFSET;
break;
+ case KVM_CAP_IOMMU:
+ r = intel_iommu_found();
+ break;
default:
r = 0;
}
@@ -771,6 +777,7 @@ static void kvm_init_vm(struct kvm *kvm)
*/
kvm_build_io_pmt(kvm);
+ INIT_LIST_HEAD(&kvm->arch.assigned_dev_head);
}
struct kvm *kvm_arch_create_vm(void)
@@ -1334,6 +1341,10 @@ static void kvm_release_vm_pages(struct kvm *kvm)
void kvm_arch_destroy_vm(struct kvm *kvm)
{
+ kvm_iommu_unmap_guest(kvm);
+#ifdef KVM_CAP_DEVICE_ASSIGNMENT
+ kvm_free_all_assigned_devices(kvm);
+#endif
kfree(kvm->arch.vioapic);
kvm_release_vm_pages(kvm);
kvm_free_physmem(kvm);
@@ -1435,17 +1446,24 @@ int kvm_arch_set_memory_region(struct kvm *kvm,
int user_alloc)
{
unsigned long i;
- struct page *page;
+ unsigned long pfn;
int npages = mem->memory_size >> PAGE_SHIFT;
struct kvm_memory_slot *memslot = &kvm->memslots[mem->slot];
unsigned long base_gfn = memslot->base_gfn;
for (i = 0; i < npages; i++) {
- page = gfn_to_page(kvm, base_gfn + i);
- kvm_set_pmt_entry(kvm, base_gfn + i,
- page_to_pfn(page) << PAGE_SHIFT,
- _PAGE_AR_RWX|_PAGE_MA_WB);
- memslot->rmap[i] = (unsigned long)page;
+ pfn = gfn_to_pfn(kvm, base_gfn + i);
+ if (!kvm_is_mmio_pfn(pfn)) {
+ kvm_set_pmt_entry(kvm, base_gfn + i,
+ pfn << PAGE_SHIFT,
+ _PAGE_AR_RWX | _PAGE_MA_WB);
+ memslot->rmap[i] = (unsigned long)pfn_to_page(pfn);
+ } else {
+ kvm_set_pmt_entry(kvm, base_gfn + i,
+ GPFN_PHYS_MMIO | (pfn << PAGE_SHIFT),
+ _PAGE_MA_UC);
+ memslot->rmap[i] = 0;
+ }
}
return 0;
@@ -1789,11 +1807,43 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu,
struct kvm_mp_state *mp_state)
{
- return -EINVAL;
+ vcpu_load(vcpu);
+ mp_state->mp_state = vcpu->arch.mp_state;
+ vcpu_put(vcpu);
+ return 0;
+}
+
+static int vcpu_reset(struct kvm_vcpu *vcpu)
+{
+ int r;
+ long psr;
+ local_irq_save(psr);
+ r = kvm_insert_vmm_mapping(vcpu);
+ if (r)
+ goto fail;
+
+ vcpu->arch.launched = 0;
+ kvm_arch_vcpu_uninit(vcpu);
+ r = kvm_arch_vcpu_init(vcpu);
+ if (r)
+ goto fail;
+
+ kvm_purge_vmm_mapping(vcpu);
+ r = 0;
+fail:
+ local_irq_restore(psr);
+ return r;
}
int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
struct kvm_mp_state *mp_state)
{
- return -EINVAL;
+ int r = 0;
+
+ vcpu_load(vcpu);
+ vcpu->arch.mp_state = mp_state->mp_state;
+ if (vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED)
+ r = vcpu_reset(vcpu);
+ vcpu_put(vcpu);
+ return r;
}
diff --git a/arch/ia64/kvm/kvm_minstate.h b/arch/ia64/kvm/kvm_minstate.h
index 13980d9b8bc..2cc41d17cf9 100644
--- a/arch/ia64/kvm/kvm_minstate.h
+++ b/arch/ia64/kvm/kvm_minstate.h
@@ -50,27 +50,18 @@
#define PAL_VSA_SYNC_READ \
/* begin to call pal vps sync_read */ \
+{.mii; \
add r25 = VMM_VPD_BASE_OFFSET, r21; \
- adds r20 = VMM_VCPU_VSA_BASE_OFFSET, r21; /* entry point */ \
+ nop 0x0; \
+ mov r24=ip; \
;; \
+} \
+{.mmb \
+ add r24=0x20, r24; \
ld8 r25 = [r25]; /* read vpd base */ \
- ld8 r20 = [r20]; \
- ;; \
- add r20 = PAL_VPS_SYNC_READ,r20; \
- ;; \
-{ .mii; \
- nop 0x0; \
- mov r24 = ip; \
- mov b0 = r20; \
+ br.cond.sptk kvm_vps_sync_read; /*call the service*/ \
;; \
}; \
-{ .mmb; \
- add r24 = 0x20, r24; \
- nop 0x0; \
- br.cond.sptk b0; /* call the service */ \
- ;; \
-};
-
#define KVM_MINSTATE_GET_CURRENT(reg) mov reg=r21
diff --git a/arch/ia64/kvm/optvfault.S b/arch/ia64/kvm/optvfault.S
index e4f15d641b2..634abad979b 100644
--- a/arch/ia64/kvm/optvfault.S
+++ b/arch/ia64/kvm/optvfault.S
@@ -1,9 +1,12 @@
/*
- * arch/ia64/vmx/optvfault.S
+ * arch/ia64/kvm/optvfault.S
* optimize virtualization fault handler
*
* Copyright (C) 2006 Intel Co
* Xuefei Xu (Anthony Xu) <anthony.xu@intel.com>
+ * Copyright (C) 2008 Intel Co
+ * Add the support for Tukwila processors.
+ * Xiantao Zhang <xiantao.zhang@intel.com>
*/
#include <asm/asmmacro.h>
@@ -20,6 +23,98 @@
#define ACCE_MOV_TO_PSR
#define ACCE_THASH
+#define VMX_VPS_SYNC_READ \
+ add r16=VMM_VPD_BASE_OFFSET,r21; \
+ mov r17 = b0; \
+ mov r18 = r24; \
+ mov r19 = r25; \
+ mov r20 = r31; \
+ ;; \
+{.mii; \
+ ld8 r16 = [r16]; \
+ nop 0x0; \
+ mov r24 = ip; \
+ ;; \
+}; \
+{.mmb; \
+ add r24=0x20, r24; \
+ mov r25 =r16; \
+ br.sptk.many kvm_vps_sync_read; \
+}; \
+ mov b0 = r17; \
+ mov r24 = r18; \
+ mov r25 = r19; \
+ mov r31 = r20
+
+ENTRY(kvm_vps_entry)
+ adds r29 = VMM_VCPU_VSA_BASE_OFFSET,r21
+ ;;
+ ld8 r29 = [r29]
+ ;;
+ add r29 = r29, r30
+ ;;
+ mov b0 = r29
+ br.sptk.many b0
+END(kvm_vps_entry)
+
+/*
+ * Inputs:
+ * r24 : return address
+ * r25 : vpd
+ * r29 : scratch
+ *
+ */
+GLOBAL_ENTRY(kvm_vps_sync_read)
+ movl r30 = PAL_VPS_SYNC_READ
+ ;;
+ br.sptk.many kvm_vps_entry
+END(kvm_vps_sync_read)
+
+/*
+ * Inputs:
+ * r24 : return address
+ * r25 : vpd
+ * r29 : scratch
+ *
+ */
+GLOBAL_ENTRY(kvm_vps_sync_write)
+ movl r30 = PAL_VPS_SYNC_WRITE
+ ;;
+ br.sptk.many kvm_vps_entry
+END(kvm_vps_sync_write)
+
+/*
+ * Inputs:
+ * r23 : pr
+ * r24 : guest b0
+ * r25 : vpd
+ *
+ */
+GLOBAL_ENTRY(kvm_vps_resume_normal)
+ movl r30 = PAL_VPS_RESUME_NORMAL
+ ;;
+ mov pr=r23,-2
+ br.sptk.many kvm_vps_entry
+END(kvm_vps_resume_normal)
+
+/*
+ * Inputs:
+ * r23 : pr
+ * r24 : guest b0
+ * r25 : vpd
+ * r17 : isr
+ */
+GLOBAL_ENTRY(kvm_vps_resume_handler)
+ movl r30 = PAL_VPS_RESUME_HANDLER
+ ;;
+ ld8 r27=[r25]
+ shr r17=r17,IA64_ISR_IR_BIT
+ ;;
+ dep r27=r17,r27,63,1 // bit 63 of r27 indicate whether enable CFLE
+ mov pr=r23,-2
+ br.sptk.many kvm_vps_entry
+END(kvm_vps_resume_handler)
+
//mov r1=ar3
GLOBAL_ENTRY(kvm_asm_mov_from_ar)
#ifndef ACCE_MOV_FROM_AR
@@ -157,11 +252,11 @@ GLOBAL_ENTRY(kvm_asm_rsm)
#ifndef ACCE_RSM
br.many kvm_virtualization_fault_back
#endif
- add r16=VMM_VPD_BASE_OFFSET,r21
+ VMX_VPS_SYNC_READ
+ ;;
extr.u r26=r25,6,21
extr.u r27=r25,31,2
;;
- ld8 r16=[r16]
extr.u r28=r25,36,1
dep r26=r27,r26,21,2
;;
@@ -196,7 +291,7 @@ GLOBAL_ENTRY(kvm_asm_rsm)
tbit.nz p6,p0=r23,0
;;
tbit.z.or p6,p0=r26,IA64_PSR_DT_BIT
- (p6) br.dptk kvm_resume_to_guest
+ (p6) br.dptk kvm_resume_to_guest_with_sync
;;
add r26=VMM_VCPU_META_RR0_OFFSET,r21
add r27=VMM_VCPU_META_RR0_OFFSET+8,r21
@@ -212,7 +307,7 @@ GLOBAL_ENTRY(kvm_asm_rsm)
mov rr[r28]=r27
;;
srlz.d
- br.many kvm_resume_to_guest
+ br.many kvm_resume_to_guest_with_sync
END(kvm_asm_rsm)
@@ -221,11 +316,11 @@ GLOBAL_ENTRY(kvm_asm_ssm)
#ifndef ACCE_SSM
br.many kvm_virtualization_fault_back
#endif
- add r16=VMM_VPD_BASE_OFFSET,r21
+ VMX_VPS_SYNC_READ
+ ;;
extr.u r26=r25,6,21
extr.u r27=r25,31,2
;;
- ld8 r16=[r16]
extr.u r28=r25,36,1
dep r26=r27,r26,21,2
;; //r26 is imm24
@@ -271,7 +366,7 @@ kvm_asm_ssm_1:
tbit.nz p6,p0=r29,IA64_PSR_I_BIT
;;
tbit.z.or p6,p0=r19,IA64_PSR_I_BIT
- (p6) br.dptk kvm_resume_to_guest
+ (p6) br.dptk kvm_resume_to_guest_with_sync
;;
add r29=VPD_VTPR_START_OFFSET,r16
add r30=VPD_VHPI_START_OFFSET,r16
@@ -286,7 +381,7 @@ kvm_asm_ssm_1:
;;
cmp.gt p6,p0=r30,r17
(p6) br.dpnt.few kvm_asm_dispatch_vexirq
- br.many kvm_resume_to_guest
+ br.many kvm_resume_to_guest_with_sync
END(kvm_asm_ssm)
@@ -295,10 +390,9 @@ GLOBAL_ENTRY(kvm_asm_mov_to_psr)
#ifndef ACCE_MOV_TO_PSR
br.many kvm_virtualization_fault_back
#endif
- add r16=VMM_VPD_BASE_OFFSET,r21
- extr.u r26=r25,13,7 //r2
+ VMX_VPS_SYNC_READ
;;
- ld8 r16=[r16]
+ extr.u r26=r25,13,7 //r2
addl r20=@gprel(asm_mov_from_reg),gp
;;
adds r30=kvm_asm_mov_to_psr_back-asm_mov_from_reg,r20
@@ -374,7 +468,7 @@ kvm_asm_mov_to_psr_1:
;;
tbit.nz.or p6,p0=r17,IA64_PSR_I_BIT
tbit.z.or p6,p0=r30,IA64_PSR_I_BIT
- (p6) br.dpnt.few kvm_resume_to_guest
+ (p6) br.dpnt.few kvm_resume_to_guest_with_sync
;;
add r29=VPD_VTPR_START_OFFSET,r16
add r30=VPD_VHPI_START_OFFSET,r16
@@ -389,13 +483,29 @@ kvm_asm_mov_to_psr_1:
;;
cmp.gt p6,p0=r30,r17
(p6) br.dpnt.few kvm_asm_dispatch_vexirq
- br.many kvm_resume_to_guest
+ br.many kvm_resume_to_guest_with_sync
END(kvm_asm_mov_to_psr)
ENTRY(kvm_asm_dispatch_vexirq)
//increment iip
+ mov r17 = b0
+ mov r18 = r31
+{.mii
+ add r25=VMM_VPD_BASE_OFFSET,r21
+ nop 0x0
+ mov r24 = ip
+ ;;
+}
+{.mmb
+ add r24 = 0x20, r24
+ ld8 r25 = [r25]
+ br.sptk.many kvm_vps_sync_write
+}
+ mov b0 =r17
mov r16=cr.ipsr
+ mov r31 = r18
+ mov r19 = 37
;;
extr.u r17=r16,IA64_PSR_RI_BIT,2
tbit.nz p6,p7=r16,IA64_PSR_RI_BIT+1
@@ -435,25 +545,31 @@ GLOBAL_ENTRY(kvm_asm_thash)
;;
kvm_asm_thash_back1:
shr.u r23=r19,61 // get RR number
- adds r25=VMM_VCPU_VRR0_OFFSET,r21 // get vcpu->arch.vrr[0]'s addr
+ adds r28=VMM_VCPU_VRR0_OFFSET,r21 // get vcpu->arch.vrr[0]'s addr
adds r16=VMM_VPD_VPTA_OFFSET,r16 // get vpta
;;
- shladd r27=r23,3,r25 // get vcpu->arch.vrr[r23]'s addr
+ shladd r27=r23,3,r28 // get vcpu->arch.vrr[r23]'s addr
ld8 r17=[r16] // get PTA
mov r26=1
;;
- extr.u r29=r17,2,6 // get pta.size
- ld8 r25=[r27] // get vcpu->arch.vrr[r23]'s value
+ extr.u r29=r17,2,6 // get pta.size
+ ld8 r28=[r27] // get vcpu->arch.vrr[r23]'s value
;;
- extr.u r25=r25,2,6 // get rr.ps
+ mov b0=r24
+ //Fallback to C if pta.vf is set
+ tbit.nz p6,p0=r17, 8
+ ;;
+ (p6) mov r24=EVENT_THASH
+ (p6) br.cond.dpnt.many kvm_virtualization_fault_back
+ extr.u r28=r28,2,6 // get rr.ps
shl r22=r26,r29 // 1UL << pta.size
;;
- shr.u r23=r19,r25 // vaddr >> rr.ps
+ shr.u r23=r19,r28 // vaddr >> rr.ps
adds r26=3,r29 // pta.size + 3
shl r27=r17,3 // pta << 3
;;
shl r23=r23,3 // (vaddr >> rr.ps) << 3
- shr.u r27=r27,r26 // (pta << 3) >> (pta.size+3)
+ shr.u r27=r27,r26 // (pta << 3) >> (pta.size+3)
movl r16=7<<61
;;
adds r22=-1,r22 // (1UL << pta.size) - 1
@@ -724,6 +840,29 @@ END(asm_mov_from_reg)
* r31: pr
* r24: b0
*/
+ENTRY(kvm_resume_to_guest_with_sync)
+ adds r19=VMM_VPD_BASE_OFFSET,r21
+ mov r16 = r31
+ mov r17 = r24
+ ;;
+{.mii
+ ld8 r25 =[r19]
+ nop 0x0
+ mov r24 = ip
+ ;;
+}
+{.mmb
+ add r24 =0x20, r24
+ nop 0x0
+ br.sptk.many kvm_vps_sync_write
+}
+
+ mov r31 = r16
+ mov r24 =r17
+ ;;
+ br.sptk.many kvm_resume_to_guest
+END(kvm_resume_to_guest_with_sync)
+
ENTRY(kvm_resume_to_guest)
adds r16 = VMM_VCPU_SAVED_GP_OFFSET,r21
;;
diff --git a/arch/ia64/kvm/process.c b/arch/ia64/kvm/process.c
index 5a33f7ed29a..3417783ae16 100644
--- a/arch/ia64/kvm/process.c
+++ b/arch/ia64/kvm/process.c
@@ -962,9 +962,9 @@ static void kvm_do_resume_op(struct kvm_vcpu *vcpu)
void vmm_transition(struct kvm_vcpu *vcpu)
{
ia64_call_vsa(PAL_VPS_SAVE, (unsigned long)vcpu->arch.vpd,
- 0, 0, 0, 0, 0, 0);
+ 1, 0, 0, 0, 0, 0);
vmm_trampoline(&vcpu->arch.guest, &vcpu->arch.host);
ia64_call_vsa(PAL_VPS_RESTORE, (unsigned long)vcpu->arch.vpd,
- 0, 0, 0, 0, 0, 0);
+ 1, 0, 0, 0, 0, 0);
kvm_do_resume_op(vcpu);
}
diff --git a/arch/ia64/kvm/vcpu.h b/arch/ia64/kvm/vcpu.h
index b0fcfb62c49..341e3fee280 100644
--- a/arch/ia64/kvm/vcpu.h
+++ b/arch/ia64/kvm/vcpu.h
@@ -313,21 +313,21 @@ static inline void vcpu_set_tr(struct thash_data *trp, u64 pte, u64 itir,
trp->rid = rid;
}
-extern u64 kvm_lookup_mpa(u64 gpfn);
-extern u64 kvm_gpa_to_mpa(u64 gpa);
-
-/* Return I/O type if trye */
-#define __gpfn_is_io(gpfn) \
- ({ \
- u64 pte, ret = 0; \
- pte = kvm_lookup_mpa(gpfn); \
- if (!(pte & GPFN_INV_MASK)) \
- ret = pte & GPFN_IO_MASK; \
- ret; \
- })
+extern u64 kvm_get_mpt_entry(u64 gpfn);
+/* Return I/ */
+static inline u64 __gpfn_is_io(u64 gpfn)
+{
+ u64 pte;
+ pte = kvm_get_mpt_entry(gpfn);
+ if (!(pte & GPFN_INV_MASK)) {
+ pte = pte & GPFN_IO_MASK;
+ if (pte != GPFN_PHYS_MMIO)
+ return pte;
+ }
+ return 0;
+}
#endif
-
#define IA64_NO_FAULT 0
#define IA64_FAULT 1
diff --git a/arch/ia64/kvm/vmm_ivt.S b/arch/ia64/kvm/vmm_ivt.S
index 3ee5f481c06..c1d7251a148 100644
--- a/arch/ia64/kvm/vmm_ivt.S
+++ b/arch/ia64/kvm/vmm_ivt.S
@@ -1261,11 +1261,6 @@ kvm_rse_clear_invalid:
adds r19=VMM_VPD_VPSR_OFFSET,r18
;;
ld8 r19=[r19] //vpsr
- adds r20=VMM_VCPU_VSA_BASE_OFFSET,r21
- ;;
- ld8 r20=[r20]
- ;;
-//vsa_sync_write_start
mov r25=r18
adds r16= VMM_VCPU_GP_OFFSET,r21
;;
@@ -1274,10 +1269,7 @@ kvm_rse_clear_invalid:
;;
add r24=r24,r16
;;
- add r16=PAL_VPS_SYNC_WRITE,r20
- ;;
- mov b0=r16
- br.cond.sptk b0 // call the service
+ br.sptk.many kvm_vps_sync_write // call the service
;;
END(ia64_leave_hypervisor)
// fall through
@@ -1288,28 +1280,15 @@ GLOBAL_ENTRY(ia64_vmm_entry)
* r17:cr.isr
* r18:vpd
* r19:vpsr
- * r20:__vsa_base
* r22:b0
* r23:predicate
*/
mov r24=r22
mov r25=r18
tbit.nz p1,p2 = r19,IA64_PSR_IC_BIT // p1=vpsr.ic
+ (p1) br.cond.sptk.few kvm_vps_resume_normal
+ (p2) br.cond.sptk.many kvm_vps_resume_handler
;;
- (p1) add r29=PAL_VPS_RESUME_NORMAL,r20
- (p1) br.sptk.many ia64_vmm_entry_out
- ;;
- tbit.nz p1,p2 = r17,IA64_ISR_IR_BIT //p1=cr.isr.ir
- ;;
- (p1) add r29=PAL_VPS_RESUME_NORMAL,r20
- (p2) add r29=PAL_VPS_RESUME_HANDLER,r20
- (p2) ld8 r26=[r25]
- ;;
-ia64_vmm_entry_out:
- mov pr=r23,-2
- mov b0=r29
- ;;
- br.cond.sptk b0 // call pal service
END(ia64_vmm_entry)
@@ -1376,6 +1355,9 @@ GLOBAL_ENTRY(vmm_reset_entry)
//set up ipsr, iip, vpd.vpsr, dcr
// For IPSR: it/dt/rt=1, i/ic=1, si=1, vm/bn=1
// For DCR: all bits 0
+ bsw.0
+ ;;
+ mov r21 =r13
adds r14=-VMM_PT_REGS_SIZE, r12
;;
movl r6=0x501008826000 // IPSR dt/rt/it:1;i/ic:1, si:1, vm/bn:1
@@ -1387,12 +1369,6 @@ GLOBAL_ENTRY(vmm_reset_entry)
;;
srlz.i
;;
- bsw.0
- ;;
- mov r21 =r13
- ;;
- bsw.1
- ;;
mov ar.rsc = 0
;;
flushrs
@@ -1406,12 +1382,9 @@ GLOBAL_ENTRY(vmm_reset_entry)
ld8 r1 = [r20]
;;
mov cr.iip=r4
- ;;
adds r16=VMM_VPD_BASE_OFFSET,r13
- adds r20=VMM_VCPU_VSA_BASE_OFFSET,r13
;;
ld8 r18=[r16]
- ld8 r20=[r20]
;;
adds r19=VMM_VPD_VPSR_OFFSET,r18
;;
diff --git a/arch/ia64/kvm/vtlb.c b/arch/ia64/kvm/vtlb.c
index def4576d22b..e22b93361e0 100644
--- a/arch/ia64/kvm/vtlb.c
+++ b/arch/ia64/kvm/vtlb.c
@@ -390,7 +390,7 @@ void thash_purge_entries_remote(struct kvm_vcpu *v, u64 va, u64 ps)
u64 translate_phy_pte(u64 *pte, u64 itir, u64 va)
{
- u64 ps, ps_mask, paddr, maddr;
+ u64 ps, ps_mask, paddr, maddr, io_mask;
union pte_flags phy_pte;
ps = itir_ps(itir);
@@ -398,8 +398,9 @@ u64 translate_phy_pte(u64 *pte, u64 itir, u64 va)
phy_pte.val = *pte;
paddr = *pte;
paddr = ((paddr & _PAGE_PPN_MASK) & ps_mask) | (va & ~ps_mask);
- maddr = kvm_lookup_mpa(paddr >> PAGE_SHIFT);
- if (maddr & GPFN_IO_MASK) {
+ maddr = kvm_get_mpt_entry(paddr >> PAGE_SHIFT);
+ io_mask = maddr & GPFN_IO_MASK;
+ if (io_mask && (io_mask != GPFN_PHYS_MMIO)) {
*pte |= VTLB_PTE_IO;
return -1;
}
@@ -418,7 +419,7 @@ int thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir,
u64 ifa, int type)
{
u64 ps;
- u64 phy_pte;
+ u64 phy_pte, io_mask, index;
union ia64_rr vrr, mrr;
int ret = 0;
@@ -426,13 +427,16 @@ int thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir,
vrr.val = vcpu_get_rr(v, ifa);
mrr.val = ia64_get_rr(ifa);
+ index = (pte & _PAGE_PPN_MASK) >> PAGE_SHIFT;
+ io_mask = kvm_get_mpt_entry(index) & GPFN_IO_MASK;
phy_pte = translate_phy_pte(&pte, itir, ifa);
/* Ensure WB attribute if pte is related to a normal mem page,
* which is required by vga acceleration since qemu maps shared
* vram buffer with WB.
*/
- if (!(pte & VTLB_PTE_IO) && ((pte & _PAGE_MA_MASK) != _PAGE_MA_NAT)) {
+ if (!(pte & VTLB_PTE_IO) && ((pte & _PAGE_MA_MASK) != _PAGE_MA_NAT) &&
+ io_mask != GPFN_PHYS_MMIO) {
pte &= ~_PAGE_MA_MASK;
phy_pte &= ~_PAGE_MA_MASK;
}
@@ -566,12 +570,19 @@ void thash_init(struct thash_cb *hcb, u64 sz)
}
}
-u64 kvm_lookup_mpa(u64 gpfn)
+u64 kvm_get_mpt_entry(u64 gpfn)
{
u64 *base = (u64 *) KVM_P2M_BASE;
return *(base + gpfn);
}
+u64 kvm_lookup_mpa(u64 gpfn)
+{
+ u64 maddr;
+ maddr = kvm_get_mpt_entry(gpfn);
+ return maddr&_PAGE_PPN_MASK;
+}
+
u64 kvm_gpa_to_mpa(u64 gpa)
{
u64 pte = kvm_lookup_mpa(gpa >> PAGE_SHIFT);
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 200100ea761..f482a9098e3 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -21,7 +21,6 @@
#include <linux/bitops.h>
#include <linux/kexec.h>
-#include <asm/a.out.h>
#include <asm/dma.h>
#include <asm/ia32.h>
#include <asm/io.h>
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-28 09:32:57 +0000