| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Roland Dreier | 2319 | 88.24% | 43 | 55.13% |
| Jack Morgenstein | 96 | 3.65% | 10 | 12.82% |
| Michael S. Tsirkin | 88 | 3.35% | 8 | 10.26% |
| Eli Cohen | 74 | 2.82% | 4 | 5.13% |
| Ira Weiny | 14 | 0.53% | 2 | 2.56% |
| Bart Van Assche | 12 | 0.46% | 1 | 1.28% |
| Adrian Bunk | 6 | 0.23% | 1 | 1.28% |
| Leon Romanovsky | 4 | 0.15% | 2 | 2.56% |
| Mark Bloch | 4 | 0.15% | 1 | 1.28% |
| Matt Porter | 3 | 0.11% | 1 | 1.28% |
| Sean Hefty | 2 | 0.08% | 1 | 1.28% |
| Romain Perier | 2 | 0.08% | 1 | 1.28% |
| Dasaratharaman Chandramouli | 2 | 0.08% | 1 | 1.28% |
| Matthew Wilcox | 1 | 0.04% | 1 | 1.28% |
| Arnd Bergmann | 1 | 0.04% | 1 | 1.28% |
| Total | 2628 | 78 |
/* * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved. * Copyright (c) 2005 Mellanox Technologies. All rights reserved. * Copyright (c) 2004 Voltaire, Inc. 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. */ #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 <linux/timer.h> #include <linux/mutex.h> #include <linux/list.h> #include <linux/semaphore.h> #include "mthca_provider.h" #include "mthca_doorbell.h" #define DRV_NAME "ib_mthca" #define PFX DRV_NAME ": " #define DRV_VERSION "1.0" #define DRV_RELDATE "April 4, 2008" enum { MTHCA_FLAG_DDR_HIDDEN = 1 << 1, MTHCA_FLAG_SRQ = 1 << 2, MTHCA_FLAG_MSI_X = 1 << 3, MTHCA_FLAG_NO_LAM = 1 << 4, MTHCA_FLAG_FMR = 1 << 5, MTHCA_FLAG_MEMFREE = 1 << 6, MTHCA_FLAG_PCIE = 1 << 7, MTHCA_FLAG_SINAI_OPT = 1 << 8 }; enum { MTHCA_MAX_PORTS = 2 }; enum { MTHCA_BOARD_ID_LEN = 64 }; 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 = 0x100, /* Arbel FW gives us these, but we need them for Tavor */ MTHCA_MPT_ENTRY_SIZE = 0x40, MTHCA_MTT_SEG_SIZE = 0x40, MTHCA_QP_PER_MGM = 4 * (MTHCA_MGM_ENTRY_SIZE / 16 - 2) }; enum { MTHCA_EQ_CMD, MTHCA_EQ_ASYNC, MTHCA_EQ_COMP, MTHCA_NUM_EQ }; enum { MTHCA_OPCODE_NOP = 0x00, MTHCA_OPCODE_RDMA_WRITE = 0x08, MTHCA_OPCODE_RDMA_WRITE_IMM = 0x09, MTHCA_OPCODE_SEND = 0x0a, MTHCA_OPCODE_SEND_IMM = 0x0b, MTHCA_OPCODE_RDMA_READ = 0x10, MTHCA_OPCODE_ATOMIC_CS = 0x11, MTHCA_OPCODE_ATOMIC_FA = 0x12, MTHCA_OPCODE_BIND_MW = 0x18, }; enum { MTHCA_CMD_USE_EVENTS = 1 << 0, MTHCA_CMD_POST_DOORBELLS = 1 << 1 }; enum { MTHCA_CMD_NUM_DBELL_DWORDS = 8 }; struct mthca_cmd { struct dma_pool *pool; struct mutex hcr_mutex; 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; u32 flags; void __iomem *dbell_map; u16 dbell_offsets[MTHCA_CMD_NUM_DBELL_DWORDS]; }; 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 max_wqes; int max_desc_sz; int max_qp_init_rdma; int reserved_qps; int num_srqs; int max_srq_wqes; int max_srq_sge; int reserved_srqs; int num_eecs; int reserved_eecs; int num_cqs; int max_cqes; int reserved_cqs; int num_eqs; int reserved_eqs; int num_mpts; int num_mtt_segs; int mtt_seg_size; int fmr_reserved_mtts; int reserved_mtts; int reserved_mrws; int reserved_uars; int num_mgms; int num_amgms; int reserved_mcgs; int num_pds; int reserved_pds; u32 page_size_cap; u32 flags; u16 stat_rate_support; u8 port_width_cap; }; 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_buddy { unsigned long **bits; int *num_free; int max_order; spinlock_t lock; }; struct mthca_mr_table { struct mthca_alloc mpt_alloc; struct mthca_buddy mtt_buddy; struct mthca_buddy *fmr_mtt_buddy; u64 mtt_base; u64 mpt_base; struct mthca_icm_table *mtt_table; struct mthca_icm_table *mpt_table; struct { void __iomem *mpt_base; void __iomem *mtt_base; struct mthca_buddy mtt_buddy; } tavor_fmr; }; 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_srq_table { struct mthca_alloc alloc; spinlock_t lock; struct mthca_array srq; 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_icm_table *rdb_table; }; struct mthca_av_table { struct dma_pool *pool; int num_ddr_avs; u64 ddr_av_base; void __iomem *av_map; struct mthca_alloc alloc; }; struct mthca_mcg_table { struct mutex mutex; struct mthca_alloc alloc; struct mthca_icm_table *table; }; struct mthca_catas_err { u64 addr; u32 __iomem *map; u32 size; struct timer_list timer; struct list_head list; }; extern struct mutex mthca_device_mutex; 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; char board_id[MTHCA_BOARD_ID_LEN]; /* 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 mutex 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_srq_table srq_table; struct mthca_qp_table qp_table; struct mthca_av_table av_table; struct mthca_mcg_table mcg_table; struct mthca_catas_err catas_err; 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; u8 rate[MTHCA_MAX_PORTS]; bool active; }; #ifdef CONFIG_INFINIBAND_MTHCA_DEBUG extern int mthca_debug_level; #define mthca_dbg(mdev, format, arg...) \ do { \ if (mthca_debug_level) \ dev_printk(KERN_DEBUG, &mdev->pdev->dev, format, ## arg); \ } while (0) #else /* CONFIG_INFINIBAND_MTHCA_DEBUG */ #define mthca_dbg(mdev, format, arg...) do { (void) mdev; } while (0) #endif /* CONFIG_INFINIBAND_MTHCA_DEBUG */ #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 { \ void *__d = ((char *) (dest) + (offset)); \ switch (sizeof(source)) { \ case 1: *(u8 *) __d = (source); break; \ case 2: *(__be16 *) __d = cpu_to_be16(source); break; \ case 4: *(__be32 *) __d = cpu_to_be32(source); break; \ case 8: *(__be64 *) __d = 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_buf_alloc(struct mthca_dev *dev, int size, int max_direct, union mthca_buf *buf, int *is_direct, struct mthca_pd *pd, int hca_write, struct mthca_mr *mr); void mthca_buf_free(struct mthca_dev *dev, int size, union mthca_buf *buf, int is_direct, struct mthca_mr *mr); 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_srq_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_srq_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); void mthca_start_catas_poll(struct mthca_dev *dev); void mthca_stop_catas_poll(struct mthca_dev *dev); int __mthca_restart_one(struct pci_dev *pdev); int mthca_catas_init(void); void mthca_catas_cleanup(void); 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, int privileged, struct mthca_pd *pd); void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd); int mthca_write_mtt_size(struct mthca_dev *dev); struct mthca_mtt *mthca_alloc_mtt(struct mthca_dev *dev, int size); void mthca_free_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt); int mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt, int start_index, u64 *buffer_list, int list_len); int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift, u64 iova, u64 total_size, u32 access, struct mthca_mr *mr); 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_flags flags); int mthca_arbel_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); int mthca_init_cq(struct mthca_dev *dev, int nent, struct mthca_ucontext *ctx, u32 pdn, struct mthca_cq *cq); void mthca_free_cq(struct mthca_dev *dev, struct mthca_cq *cq); void mthca_cq_completion(struct mthca_dev *dev, u32 cqn); void mthca_cq_event(struct mthca_dev *dev, u32 cqn, enum ib_event_type event_type); void mthca_cq_clean(struct mthca_dev *dev, struct mthca_cq *cq, u32 qpn, struct mthca_srq *srq); void mthca_cq_resize_copy_cqes(struct mthca_cq *cq); int mthca_alloc_cq_buf(struct mthca_dev *dev, struct mthca_cq_buf *buf, int nent); void mthca_free_cq_buf(struct mthca_dev *dev, struct mthca_cq_buf *buf, int cqe); int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd, struct ib_srq_attr *attr, struct mthca_srq *srq, struct ib_udata *udata); void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq); int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); int mthca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); int mthca_max_srq_sge(struct mthca_dev *dev); void mthca_srq_event(struct mthca_dev *dev, u32 srqn, enum ib_event_type event_type); void mthca_free_srq_wqe(struct mthca_srq *srq, u32 wqe_addr); int mthca_tavor_post_srq_recv(struct ib_srq *srq, const struct ib_recv_wr *wr, const struct ib_recv_wr **bad_wr); int mthca_arbel_post_srq_recv(struct ib_srq *srq, const struct ib_recv_wr *wr, const struct ib_recv_wr **bad_wr); void mthca_qp_event(struct mthca_dev *dev, u32 qpn, enum ib_event_type event_type); int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr); int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask, struct ib_udata *udata); int mthca_tavor_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, const struct ib_send_wr **bad_wr); int mthca_tavor_post_receive(struct ib_qp *ibqp, const struct ib_recv_wr *wr, const struct ib_recv_wr **bad_wr); int mthca_arbel_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, const struct ib_send_wr **bad_wr); int mthca_arbel_post_receive(struct ib_qp *ibqp, const struct ib_recv_wr *wr, const struct ib_recv_wr **bad_wr); void mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send, int index, int *dbd, __be32 *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 ib_qp_cap *cap, struct mthca_qp *qp, struct ib_udata *udata); 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, struct ib_qp_cap *cap, int qpn, u32 port, struct mthca_qp *qp, struct ib_udata *udata); 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 rdma_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_ah_query(struct ib_ah *ibah, struct rdma_ah_attr *attr); int mthca_ah_grh_present(struct mthca_ah *ah); u8 mthca_get_rate(struct mthca_dev *dev, int static_rate, u32 port); enum ib_rate mthca_rate_to_ib(struct mthca_dev *dev, u8 mthca_rate, u32 port); 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, u32 port_num, const struct ib_wc *in_wc, const struct ib_grh *in_grh, const struct ib_mad *in, struct ib_mad *out, size_t *out_mad_size, u16 *out_mad_pkey_index); 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); } static inline int mthca_is_memfree(struct mthca_dev *dev) { return dev->mthca_flags & MTHCA_FLAG_MEMFREE; } #endif /* MTHCA_DEV_H */
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