diff options
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_dev.h')
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_dev.h | 437 |
1 files changed, 437 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h new file mode 100644 index 000000000000..56b2bfb5adb1 --- /dev/null +++ b/drivers/infiniband/hw/mthca/mthca_dev.h @@ -0,0 +1,437 @@ +/* + * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * $Id: mthca_dev.h 1349 2004-12-16 21:09:43Z roland $ + */ + +#ifndef MTHCA_DEV_H +#define MTHCA_DEV_H + +#include <linux/spinlock.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/dma-mapping.h> +#include <asm/semaphore.h> + +#include "mthca_provider.h" +#include "mthca_doorbell.h" + +#define DRV_NAME "ib_mthca" +#define PFX DRV_NAME ": " +#define DRV_VERSION "0.06-pre" +#define DRV_RELDATE "November 8, 2004" + +/* Types of supported HCA */ +enum { + TAVOR, /* MT23108 */ + ARBEL_COMPAT, /* MT25208 in Tavor compat mode */ + ARBEL_NATIVE /* MT25208 with extended features */ +}; + +enum { + MTHCA_FLAG_DDR_HIDDEN = 1 << 1, + MTHCA_FLAG_SRQ = 1 << 2, + MTHCA_FLAG_MSI = 1 << 3, + MTHCA_FLAG_MSI_X = 1 << 4, + MTHCA_FLAG_NO_LAM = 1 << 5 +}; + +enum { + MTHCA_MAX_PORTS = 2 +}; + +enum { + MTHCA_EQ_CONTEXT_SIZE = 0x40, + MTHCA_CQ_CONTEXT_SIZE = 0x40, + MTHCA_QP_CONTEXT_SIZE = 0x200, + MTHCA_RDB_ENTRY_SIZE = 0x20, + MTHCA_AV_SIZE = 0x20, + MTHCA_MGM_ENTRY_SIZE = 0x40, + + /* Arbel FW gives us these, but we need them for Tavor */ + MTHCA_MPT_ENTRY_SIZE = 0x40, + MTHCA_MTT_SEG_SIZE = 0x40, +}; + +enum { + MTHCA_EQ_CMD, + MTHCA_EQ_ASYNC, + MTHCA_EQ_COMP, + MTHCA_NUM_EQ +}; + +struct mthca_cmd { + int use_events; + struct semaphore hcr_sem; + struct semaphore poll_sem; + struct semaphore event_sem; + int max_cmds; + spinlock_t context_lock; + int free_head; + struct mthca_cmd_context *context; + u16 token_mask; +}; + +struct mthca_limits { + int num_ports; + int vl_cap; + int mtu_cap; + int gid_table_len; + int pkey_table_len; + int local_ca_ack_delay; + int num_uars; + int max_sg; + int num_qps; + int reserved_qps; + int num_srqs; + int reserved_srqs; + int num_eecs; + int reserved_eecs; + int num_cqs; + int reserved_cqs; + int num_eqs; + int reserved_eqs; + int num_mpts; + int num_mtt_segs; + int mtt_seg_size; + int reserved_mtts; + int reserved_mrws; + int reserved_uars; + int num_mgms; + int num_amgms; + int reserved_mcgs; + int num_pds; + int reserved_pds; +}; + +struct mthca_alloc { + u32 last; + u32 top; + u32 max; + u32 mask; + spinlock_t lock; + unsigned long *table; +}; + +struct mthca_array { + struct { + void **page; + int used; + } *page_list; +}; + +struct mthca_uar_table { + struct mthca_alloc alloc; + u64 uarc_base; + int uarc_size; +}; + +struct mthca_pd_table { + struct mthca_alloc alloc; +}; + +struct mthca_mr_table { + struct mthca_alloc mpt_alloc; + int max_mtt_order; + unsigned long **mtt_buddy; + u64 mtt_base; + struct mthca_icm_table *mtt_table; + struct mthca_icm_table *mpt_table; +}; + +struct mthca_eq_table { + struct mthca_alloc alloc; + void __iomem *clr_int; + u32 clr_mask; + u32 arm_mask; + struct mthca_eq eq[MTHCA_NUM_EQ]; + u64 icm_virt; + struct page *icm_page; + dma_addr_t icm_dma; + int have_irq; + u8 inta_pin; +}; + +struct mthca_cq_table { + struct mthca_alloc alloc; + spinlock_t lock; + struct mthca_array cq; + struct mthca_icm_table *table; +}; + +struct mthca_qp_table { + struct mthca_alloc alloc; + u32 rdb_base; + int rdb_shift; + int sqp_start; + spinlock_t lock; + struct mthca_array qp; + struct mthca_icm_table *qp_table; + struct mthca_icm_table *eqp_table; +}; + +struct mthca_av_table { + struct pci_pool *pool; + int num_ddr_avs; + u64 ddr_av_base; + void __iomem *av_map; + struct mthca_alloc alloc; +}; + +struct mthca_mcg_table { + struct semaphore sem; + struct mthca_alloc alloc; + struct mthca_icm_table *table; +}; + +struct mthca_dev { + struct ib_device ib_dev; + struct pci_dev *pdev; + + int hca_type; + unsigned long mthca_flags; + unsigned long device_cap_flags; + + u32 rev_id; + + /* firmware info */ + u64 fw_ver; + union { + struct { + u64 fw_start; + u64 fw_end; + } tavor; + struct { + u64 clr_int_base; + u64 eq_arm_base; + u64 eq_set_ci_base; + struct mthca_icm *fw_icm; + struct mthca_icm *aux_icm; + u16 fw_pages; + } arbel; + } fw; + + u64 ddr_start; + u64 ddr_end; + + MTHCA_DECLARE_DOORBELL_LOCK(doorbell_lock) + struct semaphore cap_mask_mutex; + + void __iomem *hcr; + void __iomem *kar; + void __iomem *clr_base; + union { + struct { + void __iomem *ecr_base; + } tavor; + struct { + void __iomem *eq_arm; + void __iomem *eq_set_ci_base; + } arbel; + } eq_regs; + + struct mthca_cmd cmd; + struct mthca_limits limits; + + struct mthca_uar_table uar_table; + struct mthca_pd_table pd_table; + struct mthca_mr_table mr_table; + struct mthca_eq_table eq_table; + struct mthca_cq_table cq_table; + struct mthca_qp_table qp_table; + struct mthca_av_table av_table; + struct mthca_mcg_table mcg_table; + + struct mthca_uar driver_uar; + struct mthca_db_table *db_tab; + struct mthca_pd driver_pd; + struct mthca_mr driver_mr; + + struct ib_mad_agent *send_agent[MTHCA_MAX_PORTS][2]; + struct ib_ah *sm_ah[MTHCA_MAX_PORTS]; + spinlock_t sm_lock; +}; + +#define mthca_dbg(mdev, format, arg...) \ + dev_dbg(&mdev->pdev->dev, format, ## arg) +#define mthca_err(mdev, format, arg...) \ + dev_err(&mdev->pdev->dev, format, ## arg) +#define mthca_info(mdev, format, arg...) \ + dev_info(&mdev->pdev->dev, format, ## arg) +#define mthca_warn(mdev, format, arg...) \ + dev_warn(&mdev->pdev->dev, format, ## arg) + +extern void __buggy_use_of_MTHCA_GET(void); +extern void __buggy_use_of_MTHCA_PUT(void); + +#define MTHCA_GET(dest, source, offset) \ + do { \ + void *__p = (char *) (source) + (offset); \ + switch (sizeof (dest)) { \ + case 1: (dest) = *(u8 *) __p; break; \ + case 2: (dest) = be16_to_cpup(__p); break; \ + case 4: (dest) = be32_to_cpup(__p); break; \ + case 8: (dest) = be64_to_cpup(__p); break; \ + default: __buggy_use_of_MTHCA_GET(); \ + } \ + } while (0) + +#define MTHCA_PUT(dest, source, offset) \ + do { \ + __typeof__(source) *__p = \ + (__typeof__(source) *) ((char *) (dest) + (offset)); \ + switch (sizeof(source)) { \ + case 1: *__p = (source); break; \ + case 2: *__p = cpu_to_be16(source); break; \ + case 4: *__p = cpu_to_be32(source); break; \ + case 8: *__p = cpu_to_be64(source); break; \ + default: __buggy_use_of_MTHCA_PUT(); \ + } \ + } while (0) + +int mthca_reset(struct mthca_dev *mdev); + +u32 mthca_alloc(struct mthca_alloc *alloc); +void mthca_free(struct mthca_alloc *alloc, u32 obj); +int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask, + u32 reserved); +void mthca_alloc_cleanup(struct mthca_alloc *alloc); +void *mthca_array_get(struct mthca_array *array, int index); +int mthca_array_set(struct mthca_array *array, int index, void *value); +void mthca_array_clear(struct mthca_array *array, int index); +int mthca_array_init(struct mthca_array *array, int nent); +void mthca_array_cleanup(struct mthca_array *array, int nent); + +int mthca_init_uar_table(struct mthca_dev *dev); +int mthca_init_pd_table(struct mthca_dev *dev); +int mthca_init_mr_table(struct mthca_dev *dev); +int mthca_init_eq_table(struct mthca_dev *dev); +int mthca_init_cq_table(struct mthca_dev *dev); +int mthca_init_qp_table(struct mthca_dev *dev); +int mthca_init_av_table(struct mthca_dev *dev); +int mthca_init_mcg_table(struct mthca_dev *dev); + +void mthca_cleanup_uar_table(struct mthca_dev *dev); +void mthca_cleanup_pd_table(struct mthca_dev *dev); +void mthca_cleanup_mr_table(struct mthca_dev *dev); +void mthca_cleanup_eq_table(struct mthca_dev *dev); +void mthca_cleanup_cq_table(struct mthca_dev *dev); +void mthca_cleanup_qp_table(struct mthca_dev *dev); +void mthca_cleanup_av_table(struct mthca_dev *dev); +void mthca_cleanup_mcg_table(struct mthca_dev *dev); + +int mthca_register_device(struct mthca_dev *dev); +void mthca_unregister_device(struct mthca_dev *dev); + +int mthca_uar_alloc(struct mthca_dev *dev, struct mthca_uar *uar); +void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar); + +int mthca_pd_alloc(struct mthca_dev *dev, struct mthca_pd *pd); +void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd); + +int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd, + u32 access, struct mthca_mr *mr); +int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd, + u64 *buffer_list, int buffer_size_shift, + int list_len, u64 iova, u64 total_size, + u32 access, struct mthca_mr *mr); +void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr); + +int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt); +void mthca_unmap_eq_icm(struct mthca_dev *dev); + +int mthca_poll_cq(struct ib_cq *ibcq, int num_entries, + struct ib_wc *entry); +int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify); +int mthca_arbel_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify); +int mthca_init_cq(struct mthca_dev *dev, int nent, + struct mthca_cq *cq); +void mthca_free_cq(struct mthca_dev *dev, + struct mthca_cq *cq); +void mthca_cq_event(struct mthca_dev *dev, u32 cqn); +void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn); + +void mthca_qp_event(struct mthca_dev *dev, u32 qpn, + enum ib_event_type event_type); +int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask); +int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, + struct ib_send_wr **bad_wr); +int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr, + struct ib_recv_wr **bad_wr); +int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, + struct ib_send_wr **bad_wr); +int mthca_arbel_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr, + struct ib_recv_wr **bad_wr); +int mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send, + int index, int *dbd, u32 *new_wqe); +int mthca_alloc_qp(struct mthca_dev *dev, + struct mthca_pd *pd, + struct mthca_cq *send_cq, + struct mthca_cq *recv_cq, + enum ib_qp_type type, + enum ib_sig_type send_policy, + struct mthca_qp *qp); +int mthca_alloc_sqp(struct mthca_dev *dev, + struct mthca_pd *pd, + struct mthca_cq *send_cq, + struct mthca_cq *recv_cq, + enum ib_sig_type send_policy, + int qpn, + int port, + struct mthca_sqp *sqp); +void mthca_free_qp(struct mthca_dev *dev, struct mthca_qp *qp); +int mthca_create_ah(struct mthca_dev *dev, + struct mthca_pd *pd, + struct ib_ah_attr *ah_attr, + struct mthca_ah *ah); +int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah); +int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah, + struct ib_ud_header *header); + +int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid); +int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid); + +int mthca_process_mad(struct ib_device *ibdev, + int mad_flags, + u8 port_num, + struct ib_wc *in_wc, + struct ib_grh *in_grh, + struct ib_mad *in_mad, + struct ib_mad *out_mad); +int mthca_create_agents(struct mthca_dev *dev); +void mthca_free_agents(struct mthca_dev *dev); + +static inline struct mthca_dev *to_mdev(struct ib_device *ibdev) +{ + return container_of(ibdev, struct mthca_dev, ib_dev); +} + +#endif /* MTHCA_DEV_H */ |