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Diffstat (limited to 'drivers/infiniband/include/ib_verbs.h')
-rw-r--r--drivers/infiniband/include/ib_verbs.h1365
1 files changed, 0 insertions, 1365 deletions
diff --git a/drivers/infiniband/include/ib_verbs.h b/drivers/infiniband/include/ib_verbs.h
deleted file mode 100644
index 5d24edaa66e..00000000000
--- a/drivers/infiniband/include/ib_verbs.h
+++ /dev/null
@@ -1,1365 +0,0 @@
-/*
- * Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved.
- * Copyright (c) 2004 Infinicon Corporation. All rights reserved.
- * Copyright (c) 2004 Intel Corporation. All rights reserved.
- * Copyright (c) 2004 Topspin Corporation. All rights reserved.
- * Copyright (c) 2004 Voltaire Corporation. All rights reserved.
- * Copyright (c) 2005 Cisco Systems. 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: ib_verbs.h 1349 2004-12-16 21:09:43Z roland $
- */
-
-#if !defined(IB_VERBS_H)
-#define IB_VERBS_H
-
-#include <linux/types.h>
-#include <linux/device.h>
-
-#include <asm/atomic.h>
-#include <asm/scatterlist.h>
-#include <asm/uaccess.h>
-
-union ib_gid {
- u8 raw[16];
- struct {
- u64 subnet_prefix;
- u64 interface_id;
- } global;
-};
-
-enum ib_node_type {
- IB_NODE_CA = 1,
- IB_NODE_SWITCH,
- IB_NODE_ROUTER
-};
-
-enum ib_device_cap_flags {
- IB_DEVICE_RESIZE_MAX_WR = 1,
- IB_DEVICE_BAD_PKEY_CNTR = (1<<1),
- IB_DEVICE_BAD_QKEY_CNTR = (1<<2),
- IB_DEVICE_RAW_MULTI = (1<<3),
- IB_DEVICE_AUTO_PATH_MIG = (1<<4),
- IB_DEVICE_CHANGE_PHY_PORT = (1<<5),
- IB_DEVICE_UD_AV_PORT_ENFORCE = (1<<6),
- IB_DEVICE_CURR_QP_STATE_MOD = (1<<7),
- IB_DEVICE_SHUTDOWN_PORT = (1<<8),
- IB_DEVICE_INIT_TYPE = (1<<9),
- IB_DEVICE_PORT_ACTIVE_EVENT = (1<<10),
- IB_DEVICE_SYS_IMAGE_GUID = (1<<11),
- IB_DEVICE_RC_RNR_NAK_GEN = (1<<12),
- IB_DEVICE_SRQ_RESIZE = (1<<13),
- IB_DEVICE_N_NOTIFY_CQ = (1<<14),
-};
-
-enum ib_atomic_cap {
- IB_ATOMIC_NONE,
- IB_ATOMIC_HCA,
- IB_ATOMIC_GLOB
-};
-
-struct ib_device_attr {
- u64 fw_ver;
- u64 node_guid;
- u64 sys_image_guid;
- u64 max_mr_size;
- u64 page_size_cap;
- u32 vendor_id;
- u32 vendor_part_id;
- u32 hw_ver;
- int max_qp;
- int max_qp_wr;
- int device_cap_flags;
- int max_sge;
- int max_sge_rd;
- int max_cq;
- int max_cqe;
- int max_mr;
- int max_pd;
- int max_qp_rd_atom;
- int max_ee_rd_atom;
- int max_res_rd_atom;
- int max_qp_init_rd_atom;
- int max_ee_init_rd_atom;
- enum ib_atomic_cap atomic_cap;
- int max_ee;
- int max_rdd;
- int max_mw;
- int max_raw_ipv6_qp;
- int max_raw_ethy_qp;
- int max_mcast_grp;
- int max_mcast_qp_attach;
- int max_total_mcast_qp_attach;
- int max_ah;
- int max_fmr;
- int max_map_per_fmr;
- int max_srq;
- int max_srq_wr;
- int max_srq_sge;
- u16 max_pkeys;
- u8 local_ca_ack_delay;
-};
-
-enum ib_mtu {
- IB_MTU_256 = 1,
- IB_MTU_512 = 2,
- IB_MTU_1024 = 3,
- IB_MTU_2048 = 4,
- IB_MTU_4096 = 5
-};
-
-static inline int ib_mtu_enum_to_int(enum ib_mtu mtu)
-{
- switch (mtu) {
- case IB_MTU_256: return 256;
- case IB_MTU_512: return 512;
- case IB_MTU_1024: return 1024;
- case IB_MTU_2048: return 2048;
- case IB_MTU_4096: return 4096;
- default: return -1;
- }
-}
-
-enum ib_port_state {
- IB_PORT_NOP = 0,
- IB_PORT_DOWN = 1,
- IB_PORT_INIT = 2,
- IB_PORT_ARMED = 3,
- IB_PORT_ACTIVE = 4,
- IB_PORT_ACTIVE_DEFER = 5
-};
-
-enum ib_port_cap_flags {
- IB_PORT_SM = 1 << 1,
- IB_PORT_NOTICE_SUP = 1 << 2,
- IB_PORT_TRAP_SUP = 1 << 3,
- IB_PORT_OPT_IPD_SUP = 1 << 4,
- IB_PORT_AUTO_MIGR_SUP = 1 << 5,
- IB_PORT_SL_MAP_SUP = 1 << 6,
- IB_PORT_MKEY_NVRAM = 1 << 7,
- IB_PORT_PKEY_NVRAM = 1 << 8,
- IB_PORT_LED_INFO_SUP = 1 << 9,
- IB_PORT_SM_DISABLED = 1 << 10,
- IB_PORT_SYS_IMAGE_GUID_SUP = 1 << 11,
- IB_PORT_PKEY_SW_EXT_PORT_TRAP_SUP = 1 << 12,
- IB_PORT_CM_SUP = 1 << 16,
- IB_PORT_SNMP_TUNNEL_SUP = 1 << 17,
- IB_PORT_REINIT_SUP = 1 << 18,
- IB_PORT_DEVICE_MGMT_SUP = 1 << 19,
- IB_PORT_VENDOR_CLASS_SUP = 1 << 20,
- IB_PORT_DR_NOTICE_SUP = 1 << 21,
- IB_PORT_CAP_MASK_NOTICE_SUP = 1 << 22,
- IB_PORT_BOOT_MGMT_SUP = 1 << 23,
- IB_PORT_LINK_LATENCY_SUP = 1 << 24,
- IB_PORT_CLIENT_REG_SUP = 1 << 25
-};
-
-enum ib_port_width {
- IB_WIDTH_1X = 1,
- IB_WIDTH_4X = 2,
- IB_WIDTH_8X = 4,
- IB_WIDTH_12X = 8
-};
-
-static inline int ib_width_enum_to_int(enum ib_port_width width)
-{
- switch (width) {
- case IB_WIDTH_1X: return 1;
- case IB_WIDTH_4X: return 4;
- case IB_WIDTH_8X: return 8;
- case IB_WIDTH_12X: return 12;
- default: return -1;
- }
-}
-
-struct ib_port_attr {
- enum ib_port_state state;
- enum ib_mtu max_mtu;
- enum ib_mtu active_mtu;
- int gid_tbl_len;
- u32 port_cap_flags;
- u32 max_msg_sz;
- u32 bad_pkey_cntr;
- u32 qkey_viol_cntr;
- u16 pkey_tbl_len;
- u16 lid;
- u16 sm_lid;
- u8 lmc;
- u8 max_vl_num;
- u8 sm_sl;
- u8 subnet_timeout;
- u8 init_type_reply;
- u8 active_width;
- u8 active_speed;
- u8 phys_state;
-};
-
-enum ib_device_modify_flags {
- IB_DEVICE_MODIFY_SYS_IMAGE_GUID = 1
-};
-
-struct ib_device_modify {
- u64 sys_image_guid;
-};
-
-enum ib_port_modify_flags {
- IB_PORT_SHUTDOWN = 1,
- IB_PORT_INIT_TYPE = (1<<2),
- IB_PORT_RESET_QKEY_CNTR = (1<<3)
-};
-
-struct ib_port_modify {
- u32 set_port_cap_mask;
- u32 clr_port_cap_mask;
- u8 init_type;
-};
-
-enum ib_event_type {
- IB_EVENT_CQ_ERR,
- IB_EVENT_QP_FATAL,
- IB_EVENT_QP_REQ_ERR,
- IB_EVENT_QP_ACCESS_ERR,
- IB_EVENT_COMM_EST,
- IB_EVENT_SQ_DRAINED,
- IB_EVENT_PATH_MIG,
- IB_EVENT_PATH_MIG_ERR,
- IB_EVENT_DEVICE_FATAL,
- IB_EVENT_PORT_ACTIVE,
- IB_EVENT_PORT_ERR,
- IB_EVENT_LID_CHANGE,
- IB_EVENT_PKEY_CHANGE,
- IB_EVENT_SM_CHANGE
-};
-
-struct ib_event {
- struct ib_device *device;
- union {
- struct ib_cq *cq;
- struct ib_qp *qp;
- u8 port_num;
- } element;
- enum ib_event_type event;
-};
-
-struct ib_event_handler {
- struct ib_device *device;
- void (*handler)(struct ib_event_handler *, struct ib_event *);
- struct list_head list;
-};
-
-#define INIT_IB_EVENT_HANDLER(_ptr, _device, _handler) \
- do { \
- (_ptr)->device = _device; \
- (_ptr)->handler = _handler; \
- INIT_LIST_HEAD(&(_ptr)->list); \
- } while (0)
-
-struct ib_global_route {
- union ib_gid dgid;
- u32 flow_label;
- u8 sgid_index;
- u8 hop_limit;
- u8 traffic_class;
-};
-
-struct ib_grh {
- u32 version_tclass_flow;
- u16 paylen;
- u8 next_hdr;
- u8 hop_limit;
- union ib_gid sgid;
- union ib_gid dgid;
-};
-
-enum {
- IB_MULTICAST_QPN = 0xffffff
-};
-
-enum ib_ah_flags {
- IB_AH_GRH = 1
-};
-
-struct ib_ah_attr {
- struct ib_global_route grh;
- u16 dlid;
- u8 sl;
- u8 src_path_bits;
- u8 static_rate;
- u8 ah_flags;
- u8 port_num;
-};
-
-enum ib_wc_status {
- IB_WC_SUCCESS,
- IB_WC_LOC_LEN_ERR,
- IB_WC_LOC_QP_OP_ERR,
- IB_WC_LOC_EEC_OP_ERR,
- IB_WC_LOC_PROT_ERR,
- IB_WC_WR_FLUSH_ERR,
- IB_WC_MW_BIND_ERR,
- IB_WC_BAD_RESP_ERR,
- IB_WC_LOC_ACCESS_ERR,
- IB_WC_REM_INV_REQ_ERR,
- IB_WC_REM_ACCESS_ERR,
- IB_WC_REM_OP_ERR,
- IB_WC_RETRY_EXC_ERR,
- IB_WC_RNR_RETRY_EXC_ERR,
- IB_WC_LOC_RDD_VIOL_ERR,
- IB_WC_REM_INV_RD_REQ_ERR,
- IB_WC_REM_ABORT_ERR,
- IB_WC_INV_EECN_ERR,
- IB_WC_INV_EEC_STATE_ERR,
- IB_WC_FATAL_ERR,
- IB_WC_RESP_TIMEOUT_ERR,
- IB_WC_GENERAL_ERR
-};
-
-enum ib_wc_opcode {
- IB_WC_SEND,
- IB_WC_RDMA_WRITE,
- IB_WC_RDMA_READ,
- IB_WC_COMP_SWAP,
- IB_WC_FETCH_ADD,
- IB_WC_BIND_MW,
-/*
- * Set value of IB_WC_RECV so consumers can test if a completion is a
- * receive by testing (opcode & IB_WC_RECV).
- */
- IB_WC_RECV = 1 << 7,
- IB_WC_RECV_RDMA_WITH_IMM
-};
-
-enum ib_wc_flags {
- IB_WC_GRH = 1,
- IB_WC_WITH_IMM = (1<<1)
-};
-
-struct ib_wc {
- u64 wr_id;
- enum ib_wc_status status;
- enum ib_wc_opcode opcode;
- u32 vendor_err;
- u32 byte_len;
- __be32 imm_data;
- u32 qp_num;
- u32 src_qp;
- int wc_flags;
- u16 pkey_index;
- u16 slid;
- u8 sl;
- u8 dlid_path_bits;
- u8 port_num; /* valid only for DR SMPs on switches */
-};
-
-enum ib_cq_notify {
- IB_CQ_SOLICITED,
- IB_CQ_NEXT_COMP
-};
-
-struct ib_qp_cap {
- u32 max_send_wr;
- u32 max_recv_wr;
- u32 max_send_sge;
- u32 max_recv_sge;
- u32 max_inline_data;
-};
-
-enum ib_sig_type {
- IB_SIGNAL_ALL_WR,
- IB_SIGNAL_REQ_WR
-};
-
-enum ib_qp_type {
- /*
- * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
- * here (and in that order) since the MAD layer uses them as
- * indices into a 2-entry table.
- */
- IB_QPT_SMI,
- IB_QPT_GSI,
-
- IB_QPT_RC,
- IB_QPT_UC,
- IB_QPT_UD,
- IB_QPT_RAW_IPV6,
- IB_QPT_RAW_ETY
-};
-
-struct ib_qp_init_attr {
- void (*event_handler)(struct ib_event *, void *);
- void *qp_context;
- struct ib_cq *send_cq;
- struct ib_cq *recv_cq;
- struct ib_srq *srq;
- struct ib_qp_cap cap;
- enum ib_sig_type sq_sig_type;
- enum ib_qp_type qp_type;
- u8 port_num; /* special QP types only */
-};
-
-enum ib_rnr_timeout {
- IB_RNR_TIMER_655_36 = 0,
- IB_RNR_TIMER_000_01 = 1,
- IB_RNR_TIMER_000_02 = 2,
- IB_RNR_TIMER_000_03 = 3,
- IB_RNR_TIMER_000_04 = 4,
- IB_RNR_TIMER_000_06 = 5,
- IB_RNR_TIMER_000_08 = 6,
- IB_RNR_TIMER_000_12 = 7,
- IB_RNR_TIMER_000_16 = 8,
- IB_RNR_TIMER_000_24 = 9,
- IB_RNR_TIMER_000_32 = 10,
- IB_RNR_TIMER_000_48 = 11,
- IB_RNR_TIMER_000_64 = 12,
- IB_RNR_TIMER_000_96 = 13,
- IB_RNR_TIMER_001_28 = 14,
- IB_RNR_TIMER_001_92 = 15,
- IB_RNR_TIMER_002_56 = 16,
- IB_RNR_TIMER_003_84 = 17,
- IB_RNR_TIMER_005_12 = 18,
- IB_RNR_TIMER_007_68 = 19,
- IB_RNR_TIMER_010_24 = 20,
- IB_RNR_TIMER_015_36 = 21,
- IB_RNR_TIMER_020_48 = 22,
- IB_RNR_TIMER_030_72 = 23,
- IB_RNR_TIMER_040_96 = 24,
- IB_RNR_TIMER_061_44 = 25,
- IB_RNR_TIMER_081_92 = 26,
- IB_RNR_TIMER_122_88 = 27,
- IB_RNR_TIMER_163_84 = 28,
- IB_RNR_TIMER_245_76 = 29,
- IB_RNR_TIMER_327_68 = 30,
- IB_RNR_TIMER_491_52 = 31
-};
-
-enum ib_qp_attr_mask {
- IB_QP_STATE = 1,
- IB_QP_CUR_STATE = (1<<1),
- IB_QP_EN_SQD_ASYNC_NOTIFY = (1<<2),
- IB_QP_ACCESS_FLAGS = (1<<3),
- IB_QP_PKEY_INDEX = (1<<4),
- IB_QP_PORT = (1<<5),
- IB_QP_QKEY = (1<<6),
- IB_QP_AV = (1<<7),
- IB_QP_PATH_MTU = (1<<8),
- IB_QP_TIMEOUT = (1<<9),
- IB_QP_RETRY_CNT = (1<<10),
- IB_QP_RNR_RETRY = (1<<11),
- IB_QP_RQ_PSN = (1<<12),
- IB_QP_MAX_QP_RD_ATOMIC = (1<<13),
- IB_QP_ALT_PATH = (1<<14),
- IB_QP_MIN_RNR_TIMER = (1<<15),
- IB_QP_SQ_PSN = (1<<16),
- IB_QP_MAX_DEST_RD_ATOMIC = (1<<17),
- IB_QP_PATH_MIG_STATE = (1<<18),
- IB_QP_CAP = (1<<19),
- IB_QP_DEST_QPN = (1<<20)
-};
-
-enum ib_qp_state {
- IB_QPS_RESET,
- IB_QPS_INIT,
- IB_QPS_RTR,
- IB_QPS_RTS,
- IB_QPS_SQD,
- IB_QPS_SQE,
- IB_QPS_ERR
-};
-
-enum ib_mig_state {
- IB_MIG_MIGRATED,
- IB_MIG_REARM,
- IB_MIG_ARMED
-};
-
-struct ib_qp_attr {
- enum ib_qp_state qp_state;
- enum ib_qp_state cur_qp_state;
- enum ib_mtu path_mtu;
- enum ib_mig_state path_mig_state;
- u32 qkey;
- u32 rq_psn;
- u32 sq_psn;
- u32 dest_qp_num;
- int qp_access_flags;
- struct ib_qp_cap cap;
- struct ib_ah_attr ah_attr;
- struct ib_ah_attr alt_ah_attr;
- u16 pkey_index;
- u16 alt_pkey_index;
- u8 en_sqd_async_notify;
- u8 sq_draining;
- u8 max_rd_atomic;
- u8 max_dest_rd_atomic;
- u8 min_rnr_timer;
- u8 port_num;
- u8 timeout;
- u8 retry_cnt;
- u8 rnr_retry;
- u8 alt_port_num;
- u8 alt_timeout;
-};
-
-enum ib_wr_opcode {
- IB_WR_RDMA_WRITE,
- IB_WR_RDMA_WRITE_WITH_IMM,
- IB_WR_SEND,
- IB_WR_SEND_WITH_IMM,
- IB_WR_RDMA_READ,
- IB_WR_ATOMIC_CMP_AND_SWP,
- IB_WR_ATOMIC_FETCH_AND_ADD
-};
-
-enum ib_send_flags {
- IB_SEND_FENCE = 1,
- IB_SEND_SIGNALED = (1<<1),
- IB_SEND_SOLICITED = (1<<2),
- IB_SEND_INLINE = (1<<3)
-};
-
-struct ib_sge {
- u64 addr;
- u32 length;
- u32 lkey;
-};
-
-struct ib_send_wr {
- struct ib_send_wr *next;
- u64 wr_id;
- struct ib_sge *sg_list;
- int num_sge;
- enum ib_wr_opcode opcode;
- int send_flags;
- __be32 imm_data;
- union {
- struct {
- u64 remote_addr;
- u32 rkey;
- } rdma;
- struct {
- u64 remote_addr;
- u64 compare_add;
- u64 swap;
- u32 rkey;
- } atomic;
- struct {
- struct ib_ah *ah;
- struct ib_mad_hdr *mad_hdr;
- u32 remote_qpn;
- u32 remote_qkey;
- int timeout_ms; /* valid for MADs only */
- int retries; /* valid for MADs only */
- u16 pkey_index; /* valid for GSI only */
- u8 port_num; /* valid for DR SMPs on switch only */
- } ud;
- } wr;
-};
-
-struct ib_recv_wr {
- struct ib_recv_wr *next;
- u64 wr_id;
- struct ib_sge *sg_list;
- int num_sge;
-};
-
-enum ib_access_flags {
- IB_ACCESS_LOCAL_WRITE = 1,
- IB_ACCESS_REMOTE_WRITE = (1<<1),
- IB_ACCESS_REMOTE_READ = (1<<2),
- IB_ACCESS_REMOTE_ATOMIC = (1<<3),
- IB_ACCESS_MW_BIND = (1<<4)
-};
-
-struct ib_phys_buf {
- u64 addr;
- u64 size;
-};
-
-struct ib_mr_attr {
- struct ib_pd *pd;
- u64 device_virt_addr;
- u64 size;
- int mr_access_flags;
- u32 lkey;
- u32 rkey;
-};
-
-enum ib_mr_rereg_flags {
- IB_MR_REREG_TRANS = 1,
- IB_MR_REREG_PD = (1<<1),
- IB_MR_REREG_ACCESS = (1<<2)
-};
-
-struct ib_mw_bind {
- struct ib_mr *mr;
- u64 wr_id;
- u64 addr;
- u32 length;
- int send_flags;
- int mw_access_flags;
-};
-
-struct ib_fmr_attr {
- int max_pages;
- int max_maps;
- u8 page_size;
-};
-
-struct ib_ucontext {
- struct ib_device *device;
- struct list_head pd_list;
- struct list_head mr_list;
- struct list_head mw_list;
- struct list_head cq_list;
- struct list_head qp_list;
- struct list_head srq_list;
- struct list_head ah_list;
- spinlock_t lock;
-};
-
-struct ib_uobject {
- u64 user_handle; /* handle given to us by userspace */
- struct ib_ucontext *context; /* associated user context */
- struct list_head list; /* link to context's list */
- u32 id; /* index into kernel idr */
-};
-
-struct ib_umem {
- unsigned long user_base;
- unsigned long virt_base;
- size_t length;
- int offset;
- int page_size;
- int writable;
- struct list_head chunk_list;
-};
-
-struct ib_umem_chunk {
- struct list_head list;
- int nents;
- int nmap;
- struct scatterlist page_list[0];
-};
-
-struct ib_udata {
- void __user *inbuf;
- void __user *outbuf;
- size_t inlen;
- size_t outlen;
-};
-
-#define IB_UMEM_MAX_PAGE_CHUNK \
- ((PAGE_SIZE - offsetof(struct ib_umem_chunk, page_list)) / \
- ((void *) &((struct ib_umem_chunk *) 0)->page_list[1] - \
- (void *) &((struct ib_umem_chunk *) 0)->page_list[0]))
-
-struct ib_umem_object {
- struct ib_uobject uobject;
- struct ib_umem umem;
-};
-
-struct ib_pd {
- struct ib_device *device;
- struct ib_uobject *uobject;
- atomic_t usecnt; /* count all resources */
-};
-
-struct ib_ah {
- struct ib_device *device;
- struct ib_pd *pd;
- struct ib_uobject *uobject;
-};
-
-typedef void (*ib_comp_handler)(struct ib_cq *cq, void *cq_context);
-
-struct ib_cq {
- struct ib_device *device;
- struct ib_uobject *uobject;
- ib_comp_handler comp_handler;
- void (*event_handler)(struct ib_event *, void *);
- void * cq_context;
- int cqe;
- atomic_t usecnt; /* count number of work queues */
-};
-
-struct ib_srq {
- struct ib_device *device;
- struct ib_uobject *uobject;
- struct ib_pd *pd;
- void *srq_context;
- atomic_t usecnt;
-};
-
-struct ib_qp {
- struct ib_device *device;
- struct ib_pd *pd;
- struct ib_cq *send_cq;
- struct ib_cq *recv_cq;
- struct ib_srq *srq;
- struct ib_uobject *uobject;
- void (*event_handler)(struct ib_event *, void *);
- void *qp_context;
- u32 qp_num;
- enum ib_qp_type qp_type;
-};
-
-struct ib_mr {
- struct ib_device *device;
- struct ib_pd *pd;
- struct ib_uobject *uobject;
- u32 lkey;
- u32 rkey;
- atomic_t usecnt; /* count number of MWs */
-};
-
-struct ib_mw {
- struct ib_device *device;
- struct ib_pd *pd;
- struct ib_uobject *uobject;
- u32 rkey;
-};
-
-struct ib_fmr {
- struct ib_device *device;
- struct ib_pd *pd;
- struct list_head list;
- u32 lkey;
- u32 rkey;
-};
-
-struct ib_mad;
-struct ib_grh;
-
-enum ib_process_mad_flags {
- IB_MAD_IGNORE_MKEY = 1,
- IB_MAD_IGNORE_BKEY = 2,
- IB_MAD_IGNORE_ALL = IB_MAD_IGNORE_MKEY | IB_MAD_IGNORE_BKEY
-};
-
-enum ib_mad_result {
- IB_MAD_RESULT_FAILURE = 0, /* (!SUCCESS is the important flag) */
- IB_MAD_RESULT_SUCCESS = 1 << 0, /* MAD was successfully processed */
- IB_MAD_RESULT_REPLY = 1 << 1, /* Reply packet needs to be sent */
- IB_MAD_RESULT_CONSUMED = 1 << 2 /* Packet consumed: stop processing */
-};
-
-#define IB_DEVICE_NAME_MAX 64
-
-struct ib_cache {
- rwlock_t lock;
- struct ib_event_handler event_handler;
- struct ib_pkey_cache **pkey_cache;
- struct ib_gid_cache **gid_cache;
-};
-
-struct ib_device {
- struct device *dma_device;
-
- char name[IB_DEVICE_NAME_MAX];
-
- struct list_head event_handler_list;
- spinlock_t event_handler_lock;
-
- struct list_head core_list;
- struct list_head client_data_list;
- spinlock_t client_data_lock;
-
- struct ib_cache cache;
-
- u32 flags;
-
- int (*query_device)(struct ib_device *device,
- struct ib_device_attr *device_attr);
- int (*query_port)(struct ib_device *device,
- u8 port_num,
- struct ib_port_attr *port_attr);
- int (*query_gid)(struct ib_device *device,
- u8 port_num, int index,
- union ib_gid *gid);
- int (*query_pkey)(struct ib_device *device,
- u8 port_num, u16 index, u16 *pkey);
- int (*modify_device)(struct ib_device *device,
- int device_modify_mask,
- struct ib_device_modify *device_modify);
- int (*modify_port)(struct ib_device *device,
- u8 port_num, int port_modify_mask,
- struct ib_port_modify *port_modify);
- struct ib_ucontext * (*alloc_ucontext)(struct ib_device *device,
- struct ib_udata *udata);
- int (*dealloc_ucontext)(struct ib_ucontext *context);
- int (*mmap)(struct ib_ucontext *context,
- struct vm_area_struct *vma);
- struct ib_pd * (*alloc_pd)(struct ib_device *device,
- struct ib_ucontext *context,
- struct ib_udata *udata);
- int (*dealloc_pd)(struct ib_pd *pd);
- struct ib_ah * (*create_ah)(struct ib_pd *pd,
- struct ib_ah_attr *ah_attr);
- int (*modify_ah)(struct ib_ah *ah,
- struct ib_ah_attr *ah_attr);
- int (*query_ah)(struct ib_ah *ah,
- struct ib_ah_attr *ah_attr);
- int (*destroy_ah)(struct ib_ah *ah);
- struct ib_qp * (*create_qp)(struct ib_pd *pd,
- struct ib_qp_init_attr *qp_init_attr,
- struct ib_udata *udata);
- int (*modify_qp)(struct ib_qp *qp,
- struct ib_qp_attr *qp_attr,
- int qp_attr_mask);
- int (*query_qp)(struct ib_qp *qp,
- struct ib_qp_attr *qp_attr,
- int qp_attr_mask,
- struct ib_qp_init_attr *qp_init_attr);
- int (*destroy_qp)(struct ib_qp *qp);
- int (*post_send)(struct ib_qp *qp,
- struct ib_send_wr *send_wr,
- struct ib_send_wr **bad_send_wr);
- int (*post_recv)(struct ib_qp *qp,
- struct ib_recv_wr *recv_wr,
- struct ib_recv_wr **bad_recv_wr);
- struct ib_cq * (*create_cq)(struct ib_device *device, int cqe,
- struct ib_ucontext *context,
- struct ib_udata *udata);
- int (*destroy_cq)(struct ib_cq *cq);
- int (*resize_cq)(struct ib_cq *cq, int *cqe);
- int (*poll_cq)(struct ib_cq *cq, int num_entries,
- struct ib_wc *wc);
- int (*peek_cq)(struct ib_cq *cq, int wc_cnt);
- int (*req_notify_cq)(struct ib_cq *cq,
- enum ib_cq_notify cq_notify);
- int (*req_ncomp_notif)(struct ib_cq *cq,
- int wc_cnt);
- struct ib_mr * (*get_dma_mr)(struct ib_pd *pd,
- int mr_access_flags);
- struct ib_mr * (*reg_phys_mr)(struct ib_pd *pd,
- struct ib_phys_buf *phys_buf_array,
- int num_phys_buf,
- int mr_access_flags,
- u64 *iova_start);
- struct ib_mr * (*reg_user_mr)(struct ib_pd *pd,
- struct ib_umem *region,
- int mr_access_flags,
- struct ib_udata *udata);
- int (*query_mr)(struct ib_mr *mr,
- struct ib_mr_attr *mr_attr);
- int (*dereg_mr)(struct ib_mr *mr);
- int (*rereg_phys_mr)(struct ib_mr *mr,
- int mr_rereg_mask,
- struct ib_pd *pd,
- struct ib_phys_buf *phys_buf_array,
- int num_phys_buf,
- int mr_access_flags,
- u64 *iova_start);
- struct ib_mw * (*alloc_mw)(struct ib_pd *pd);
- int (*bind_mw)(struct ib_qp *qp,
- struct ib_mw *mw,
- struct ib_mw_bind *mw_bind);
- int (*dealloc_mw)(struct ib_mw *mw);
- struct ib_fmr * (*alloc_fmr)(struct ib_pd *pd,
- int mr_access_flags,
- struct ib_fmr_attr *fmr_attr);
- int (*map_phys_fmr)(struct ib_fmr *fmr,
- u64 *page_list, int list_len,
- u64 iova);
- int (*unmap_fmr)(struct list_head *fmr_list);
- int (*dealloc_fmr)(struct ib_fmr *fmr);
- int (*attach_mcast)(struct ib_qp *qp,
- union ib_gid *gid,
- u16 lid);
- int (*detach_mcast)(struct ib_qp *qp,
- union ib_gid *gid,
- u16 lid);
- int (*process_mad)(struct ib_device *device,
- int process_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);
-
- struct module *owner;
- struct class_device class_dev;
- struct kobject ports_parent;
- struct list_head port_list;
-
- enum {
- IB_DEV_UNINITIALIZED,
- IB_DEV_REGISTERED,
- IB_DEV_UNREGISTERED
- } reg_state;
-
- u8 node_type;
- u8 phys_port_cnt;
-};
-
-struct ib_client {
- char *name;
- void (*add) (struct ib_device *);
- void (*remove)(struct ib_device *);
-
- struct list_head list;
-};
-
-struct ib_device *ib_alloc_device(size_t size);
-void ib_dealloc_device(struct ib_device *device);
-
-int ib_register_device (struct ib_device *device);
-void ib_unregister_device(struct ib_device *device);
-
-int ib_register_client (struct ib_client *client);
-void ib_unregister_client(struct ib_client *client);
-
-void *ib_get_client_data(struct ib_device *device, struct ib_client *client);
-void ib_set_client_data(struct ib_device *device, struct ib_client *client,
- void *data);
-
-static inline int ib_copy_from_udata(void *dest, struct ib_udata *udata, size_t len)
-{
- return copy_from_user(dest, udata->inbuf, len) ? -EFAULT : 0;
-}
-
-static inline int ib_copy_to_udata(struct ib_udata *udata, void *src, size_t len)
-{
- return copy_to_user(udata->outbuf, src, len) ? -EFAULT : 0;
-}
-
-int ib_register_event_handler (struct ib_event_handler *event_handler);
-int ib_unregister_event_handler(struct ib_event_handler *event_handler);
-void ib_dispatch_event(struct ib_event *event);
-
-int ib_query_device(struct ib_device *device,
- struct ib_device_attr *device_attr);
-
-int ib_query_port(struct ib_device *device,
- u8 port_num, struct ib_port_attr *port_attr);
-
-int ib_query_gid(struct ib_device *device,
- u8 port_num, int index, union ib_gid *gid);
-
-int ib_query_pkey(struct ib_device *device,
- u8 port_num, u16 index, u16 *pkey);
-
-int ib_modify_device(struct ib_device *device,
- int device_modify_mask,
- struct ib_device_modify *device_modify);
-
-int ib_modify_port(struct ib_device *device,
- u8 port_num, int port_modify_mask,
- struct ib_port_modify *port_modify);
-
-/**
- * ib_alloc_pd - Allocates an unused protection domain.
- * @device: The device on which to allocate the protection domain.
- *
- * A protection domain object provides an association between QPs, shared
- * receive queues, address handles, memory regions, and memory windows.
- */
-struct ib_pd *ib_alloc_pd(struct ib_device *device);
-
-/**
- * ib_dealloc_pd - Deallocates a protection domain.
- * @pd: The protection domain to deallocate.
- */
-int ib_dealloc_pd(struct ib_pd *pd);
-
-/**
- * ib_create_ah - Creates an address handle for the given address vector.
- * @pd: The protection domain associated with the address handle.
- * @ah_attr: The attributes of the address vector.
- *
- * The address handle is used to reference a local or global destination
- * in all UD QP post sends.
- */
-struct ib_ah *ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
-
-/**
- * ib_create_ah_from_wc - Creates an address handle associated with the
- * sender of the specified work completion.
- * @pd: The protection domain associated with the address handle.
- * @wc: Work completion information associated with a received message.
- * @grh: References the received global route header. This parameter is
- * ignored unless the work completion indicates that the GRH is valid.
- * @port_num: The outbound port number to associate with the address.
- *
- * The address handle is used to reference a local or global destination
- * in all UD QP post sends.
- */
-struct ib_ah *ib_create_ah_from_wc(struct ib_pd *pd, struct ib_wc *wc,
- struct ib_grh *grh, u8 port_num);
-
-/**
- * ib_modify_ah - Modifies the address vector associated with an address
- * handle.
- * @ah: The address handle to modify.
- * @ah_attr: The new address vector attributes to associate with the
- * address handle.
- */
-int ib_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
-
-/**
- * ib_query_ah - Queries the address vector associated with an address
- * handle.
- * @ah: The address handle to query.
- * @ah_attr: The address vector attributes associated with the address
- * handle.
- */
-int ib_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
-
-/**
- * ib_destroy_ah - Destroys an address handle.
- * @ah: The address handle to destroy.
- */
-int ib_destroy_ah(struct ib_ah *ah);
-
-/**
- * ib_create_qp - Creates a QP associated with the specified protection
- * domain.
- * @pd: The protection domain associated with the QP.
- * @qp_init_attr: A list of initial attributes required to create the QP.
- */
-struct ib_qp *ib_create_qp(struct ib_pd *pd,
- struct ib_qp_init_attr *qp_init_attr);
-
-/**
- * ib_modify_qp - Modifies the attributes for the specified QP and then
- * transitions the QP to the given state.
- * @qp: The QP to modify.
- * @qp_attr: On input, specifies the QP attributes to modify. On output,
- * the current values of selected QP attributes are returned.
- * @qp_attr_mask: A bit-mask used to specify which attributes of the QP
- * are being modified.
- */
-int ib_modify_qp(struct ib_qp *qp,
- struct ib_qp_attr *qp_attr,
- int qp_attr_mask);
-
-/**
- * ib_query_qp - Returns the attribute list and current values for the
- * specified QP.
- * @qp: The QP to query.
- * @qp_attr: The attributes of the specified QP.
- * @qp_attr_mask: A bit-mask used to select specific attributes to query.
- * @qp_init_attr: Additional attributes of the selected QP.
- *
- * The qp_attr_mask may be used to limit the query to gathering only the
- * selected attributes.
- */
-int ib_query_qp(struct ib_qp *qp,
- struct ib_qp_attr *qp_attr,
- int qp_attr_mask,
- struct ib_qp_init_attr *qp_init_attr);
-
-/**
- * ib_destroy_qp - Destroys the specified QP.
- * @qp: The QP to destroy.
- */
-int ib_destroy_qp(struct ib_qp *qp);
-
-/**
- * ib_post_send - Posts a list of work requests to the send queue of
- * the specified QP.
- * @qp: The QP to post the work request on.
- * @send_wr: A list of work requests to post on the send queue.
- * @bad_send_wr: On an immediate failure, this parameter will reference
- * the work request that failed to be posted on the QP.
- */
-static inline int ib_post_send(struct ib_qp *qp,
- struct ib_send_wr *send_wr,
- struct ib_send_wr **bad_send_wr)
-{
- return qp->device->post_send(qp, send_wr, bad_send_wr);
-}
-
-/**
- * ib_post_recv - Posts a list of work requests to the receive queue of
- * the specified QP.
- * @qp: The QP to post the work request on.
- * @recv_wr: A list of work requests to post on the receive queue.
- * @bad_recv_wr: On an immediate failure, this parameter will reference
- * the work request that failed to be posted on the QP.
- */
-static inline int ib_post_recv(struct ib_qp *qp,
- struct ib_recv_wr *recv_wr,
- struct ib_recv_wr **bad_recv_wr)
-{
- return qp->device->post_recv(qp, recv_wr, bad_recv_wr);
-}
-
-/**
- * ib_create_cq - Creates a CQ on the specified device.
- * @device: The device on which to create the CQ.
- * @comp_handler: A user-specified callback that is invoked when a
- * completion event occurs on the CQ.
- * @event_handler: A user-specified callback that is invoked when an
- * asynchronous event not associated with a completion occurs on the CQ.
- * @cq_context: Context associated with the CQ returned to the user via
- * the associated completion and event handlers.
- * @cqe: The minimum size of the CQ.
- *
- * Users can examine the cq structure to determine the actual CQ size.
- */
-struct ib_cq *ib_create_cq(struct ib_device *device,
- ib_comp_handler comp_handler,
- void (*event_handler)(struct ib_event *, void *),
- void *cq_context, int cqe);
-
-/**
- * ib_resize_cq - Modifies the capacity of the CQ.
- * @cq: The CQ to resize.
- * @cqe: The minimum size of the CQ.
- *
- * Users can examine the cq structure to determine the actual CQ size.
- */
-int ib_resize_cq(struct ib_cq *cq, int cqe);
-
-/**
- * ib_destroy_cq - Destroys the specified CQ.
- * @cq: The CQ to destroy.
- */
-int ib_destroy_cq(struct ib_cq *cq);
-
-/**
- * ib_poll_cq - poll a CQ for completion(s)
- * @cq:the CQ being polled
- * @num_entries:maximum number of completions to return
- * @wc:array of at least @num_entries &struct ib_wc where completions
- * will be returned
- *
- * Poll a CQ for (possibly multiple) completions. If the return value
- * is < 0, an error occurred. If the return value is >= 0, it is the
- * number of completions returned. If the return value is
- * non-negative and < num_entries, then the CQ was emptied.
- */
-static inline int ib_poll_cq(struct ib_cq *cq, int num_entries,
- struct ib_wc *wc)
-{
- return cq->device->poll_cq(cq, num_entries, wc);
-}
-
-/**
- * ib_peek_cq - Returns the number of unreaped completions currently
- * on the specified CQ.
- * @cq: The CQ to peek.
- * @wc_cnt: A minimum number of unreaped completions to check for.
- *
- * If the number of unreaped completions is greater than or equal to wc_cnt,
- * this function returns wc_cnt, otherwise, it returns the actual number of
- * unreaped completions.
- */
-int ib_peek_cq(struct ib_cq *cq, int wc_cnt);
-
-/**
- * ib_req_notify_cq - Request completion notification on a CQ.
- * @cq: The CQ to generate an event for.
- * @cq_notify: If set to %IB_CQ_SOLICITED, completion notification will
- * occur on the next solicited event. If set to %IB_CQ_NEXT_COMP,
- * notification will occur on the next completion.
- */
-static inline int ib_req_notify_cq(struct ib_cq *cq,
- enum ib_cq_notify cq_notify)
-{
- return cq->device->req_notify_cq(cq, cq_notify);
-}
-
-/**
- * ib_req_ncomp_notif - Request completion notification when there are
- * at least the specified number of unreaped completions on the CQ.
- * @cq: The CQ to generate an event for.
- * @wc_cnt: The number of unreaped completions that should be on the
- * CQ before an event is generated.
- */
-static inline int ib_req_ncomp_notif(struct ib_cq *cq, int wc_cnt)
-{
- return cq->device->req_ncomp_notif ?
- cq->device->req_ncomp_notif(cq, wc_cnt) :
- -ENOSYS;
-}
-
-/**
- * ib_get_dma_mr - Returns a memory region for system memory that is
- * usable for DMA.
- * @pd: The protection domain associated with the memory region.
- * @mr_access_flags: Specifies the memory access rights.
- */
-struct ib_mr *ib_get_dma_mr(struct ib_pd *pd, int mr_access_flags);
-
-/**
- * ib_reg_phys_mr - Prepares a virtually addressed memory region for use
- * by an HCA.
- * @pd: The protection domain associated assigned to the registered region.
- * @phys_buf_array: Specifies a list of physical buffers to use in the
- * memory region.
- * @num_phys_buf: Specifies the size of the phys_buf_array.
- * @mr_access_flags: Specifies the memory access rights.
- * @iova_start: The offset of the region's starting I/O virtual address.
- */
-struct ib_mr *ib_reg_phys_mr(struct ib_pd *pd,
- struct ib_phys_buf *phys_buf_array,
- int num_phys_buf,
- int mr_access_flags,
- u64 *iova_start);
-
-/**
- * ib_rereg_phys_mr - Modifies the attributes of an existing memory region.
- * Conceptually, this call performs the functions deregister memory region
- * followed by register physical memory region. Where possible,
- * resources are reused instead of deallocated and reallocated.
- * @mr: The memory region to modify.
- * @mr_rereg_mask: A bit-mask used to indicate which of the following
- * properties of the memory region are being modified.
- * @pd: If %IB_MR_REREG_PD is set in mr_rereg_mask, this field specifies
- * the new protection domain to associated with the memory region,
- * otherwise, this parameter is ignored.
- * @phys_buf_array: If %IB_MR_REREG_TRANS is set in mr_rereg_mask, this
- * field specifies a list of physical buffers to use in the new
- * translation, otherwise, this parameter is ignored.
- * @num_phys_buf: If %IB_MR_REREG_TRANS is set in mr_rereg_mask, this
- * field specifies the size of the phys_buf_array, otherwise, this
- * parameter is ignored.
- * @mr_access_flags: If %IB_MR_REREG_ACCESS is set in mr_rereg_mask, this
- * field specifies the new memory access rights, otherwise, this
- * parameter is ignored.
- * @iova_start: The offset of the region's starting I/O virtual address.
- */
-int ib_rereg_phys_mr(struct ib_mr *mr,
- int mr_rereg_mask,
- struct ib_pd *pd,
- struct ib_phys_buf *phys_buf_array,
- int num_phys_buf,
- int mr_access_flags,
- u64 *iova_start);
-
-/**
- * ib_query_mr - Retrieves information about a specific memory region.
- * @mr: The memory region to retrieve information about.
- * @mr_attr: The attributes of the specified memory region.
- */
-int ib_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr);
-
-/**
- * ib_dereg_mr - Deregisters a memory region and removes it from the
- * HCA translation table.
- * @mr: The memory region to deregister.
- */
-int ib_dereg_mr(struct ib_mr *mr);
-
-/**
- * ib_alloc_mw - Allocates a memory window.
- * @pd: The protection domain associated with the memory window.
- */
-struct ib_mw *ib_alloc_mw(struct ib_pd *pd);
-
-/**
- * ib_bind_mw - Posts a work request to the send queue of the specified
- * QP, which binds the memory window to the given address range and
- * remote access attributes.
- * @qp: QP to post the bind work request on.
- * @mw: The memory window to bind.
- * @mw_bind: Specifies information about the memory window, including
- * its address range, remote access rights, and associated memory region.
- */
-static inline int ib_bind_mw(struct ib_qp *qp,
- struct ib_mw *mw,
- struct ib_mw_bind *mw_bind)
-{
- /* XXX reference counting in corresponding MR? */
- return mw->device->bind_mw ?
- mw->device->bind_mw(qp, mw, mw_bind) :
- -ENOSYS;
-}
-
-/**
- * ib_dealloc_mw - Deallocates a memory window.
- * @mw: The memory window to deallocate.
- */
-int ib_dealloc_mw(struct ib_mw *mw);
-
-/**
- * ib_alloc_fmr - Allocates a unmapped fast memory region.
- * @pd: The protection domain associated with the unmapped region.
- * @mr_access_flags: Specifies the memory access rights.
- * @fmr_attr: Attributes of the unmapped region.
- *
- * A fast memory region must be mapped before it can be used as part of
- * a work request.
- */
-struct ib_fmr *ib_alloc_fmr(struct ib_pd *pd,
- int mr_access_flags,
- struct ib_fmr_attr *fmr_attr);
-
-/**
- * ib_map_phys_fmr - Maps a list of physical pages to a fast memory region.
- * @fmr: The fast memory region to associate with the pages.
- * @page_list: An array of physical pages to map to the fast memory region.
- * @list_len: The number of pages in page_list.
- * @iova: The I/O virtual address to use with the mapped region.
- */
-static inline int ib_map_phys_fmr(struct ib_fmr *fmr,
- u64 *page_list, int list_len,
- u64 iova)
-{
- return fmr->device->map_phys_fmr(fmr, page_list, list_len, iova);
-}
-
-/**
- * ib_unmap_fmr - Removes the mapping from a list of fast memory regions.
- * @fmr_list: A linked list of fast memory regions to unmap.
- */
-int ib_unmap_fmr(struct list_head *fmr_list);
-
-/**
- * ib_dealloc_fmr - Deallocates a fast memory region.
- * @fmr: The fast memory region to deallocate.
- */
-int ib_dealloc_fmr(struct ib_fmr *fmr);
-
-/**
- * ib_attach_mcast - Attaches the specified QP to a multicast group.
- * @qp: QP to attach to the multicast group. The QP must be type
- * IB_QPT_UD.
- * @gid: Multicast group GID.
- * @lid: Multicast group LID in host byte order.
- *
- * In order to send and receive multicast packets, subnet
- * administration must have created the multicast group and configured
- * the fabric appropriately. The port associated with the specified
- * QP must also be a member of the multicast group.
- */
-int ib_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
-
-/**
- * ib_detach_mcast - Detaches the specified QP from a multicast group.
- * @qp: QP to detach from the multicast group.
- * @gid: Multicast group GID.
- * @lid: Multicast group LID in host byte order.
- */
-int ib_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
-
-#endif /* IB_VERBS_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 06:04:31 +0000