From: Ram Amrani <Ram.Amrani@xxxxxxxxxx>
Introducing main, responsible for initializing the driver
and allocating the user context.
Signed-off-by: Ram Amrani <Ram.Amrani@xxxxxxxxxx>
---
providers/qedr/qelr.h | 320 +++++++++++++++++++++++++++++++++++++++++++++
providers/qedr/qelr_main.c | 286 ++++++++++++++++++++++++++++++++++++++++
providers/qedr/qelr_main.h | 83 ++++++++++++
3 files changed, 689 insertions(+)
create mode 100644 providers/qedr/qelr.h
create mode 100644 providers/qedr/qelr_main.c
create mode 100644 providers/qedr/qelr_main.h
diff --git a/providers/qedr/qelr.h b/providers/qedr/qelr.h
new file mode 100644
index 0000000..e321195
--- /dev/null
+++ b/providers/qedr/qelr.h
@@ -0,0 +1,320 @@
+/*
+ * Copyright (c) 2015-2016 QLogic Corporation
+ *
+ * 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 __QELR_H__
+#define __QELR_H__
+
+#include <inttypes.h>
+#include <stddef.h>
+#include <endian.h>
+#include <ccan/minmax.h>
+
+#include <infiniband/driver.h>
+#include <infiniband/arch.h>
+
+#define writel(b, p) (*(uint32_t *)(p) = (b))
+#define writeq(b, p) (*(uint64_t *)(p) = (b))
+
+#include "qelr_hsi.h"
+#include "qelr_chain.h"
+
+#define qelr_err(format, arg...) printf(format, ##arg)
+
+extern uint32_t qelr_dp_level;
+extern uint32_t qelr_dp_module;
+
+enum DP_MODULE {
+ QELR_MSG_CQ = 0x10000,
+ QELR_MSG_RQ = 0x20000,
+ QELR_MSG_SQ = 0x40000,
+ QELR_MSG_QP = (QELR_MSG_SQ | QELR_MSG_RQ),
+ QELR_MSG_MR = 0x80000,
+ QELR_MSG_INIT = 0x100000,
+ /* to be added...up to 0x8000000 */
+};
+
+enum DP_LEVEL {
+ QELR_LEVEL_VERBOSE = 0x0,
+ QELR_LEVEL_INFO = 0x1,
+ QELR_LEVEL_NOTICE = 0x2,
+ QELR_LEVEL_ERR = 0x3,
+};
+
+#define DP_ERR(fd, fmt, ...) \
+do { \
+ fprintf(fd, "[%s:%d]" fmt, \
+ __func__, __LINE__, \
+ ##__VA_ARGS__); \
+ fflush(fd); \
+} while (0)
+
+#define DP_NOTICE(fd, fmt, ...) \
+do { \
+ if (qelr_dp_level <= QELR_LEVEL_NOTICE) {\
+ fprintf(fd, "[%s:%d]" fmt, \
+ __func__, __LINE__, \
+ ##__VA_ARGS__); \
+ fflush(fd); } \
+} while (0)
+
+#define DP_INFO(fd, fmt, ...) \
+do { \
+ if (qelr_dp_level <= QELR_LEVEL_INFO) { \
+ fprintf(fd, "[%s:%d]" fmt, \
+ __func__, __LINE__, \
+ ##__VA_ARGS__); fflush(fd); \
+ } \
+} while (0)
+
+#define DP_VERBOSE(fd, module, fmt, ...) \
+do { \
+ if ((qelr_dp_level <= QELR_LEVEL_VERBOSE) && \
+ (qelr_dp_module & (module))) { \
+ fprintf(fd, "[%s:%d]" fmt, \
+ __func__, __LINE__, \
+ ##__VA_ARGS__); fflush(fd); } \
+} while (0)
+
+#define ROUND_UP_X(_val, _x) \
+ (((unsigned long)(_val) + ((_x)-1)) & (long)~((_x)-1))
+
+struct qelr_buf {
+ void *addr;
+ size_t len; /* a 64 uint is used as s preparation
+ * for double layer pbl.
+ */
+};
+
+struct qelr_device {
+ struct ibv_device ibv_dev;
+};
+
+struct qelr_devctx {
+ struct ibv_context ibv_ctx;
+ FILE *dbg_fp;
+ void *db_addr;
+ uint64_t db_pa;
+ uint32_t db_size;
+ uint8_t disable_edpm;
+ uint32_t kernel_page_size;
+
+ uint32_t max_send_wr;
+ uint32_t max_recv_wr;
+ uint32_t sges_per_send_wr;
+ uint32_t sges_per_recv_wr;
+ int max_cqes;
+};
+
+struct qelr_pd {
+ struct ibv_pd ibv_pd;
+ uint32_t pd_id;
+};
+
+struct qelr_mr {
+ struct ibv_mr ibv_mr;
+};
+
+union db_prod64 {
+ struct rdma_pwm_val32_data data;
+ uint64_t raw;
+};
+
+struct qelr_cq {
+ struct ibv_cq ibv_cq; /* must be first */
+
+ struct qelr_chain chain;
+
+ void *db_addr;
+ union db_prod64 db;
+
+ uint8_t chain_toggle;
+ union rdma_cqe *latest_cqe;
+ union rdma_cqe *toggle_cqe;
+
+ uint8_t arm_flags;
+};
+
+enum qelr_qp_state {
+ QELR_QPS_RST,
+ QELR_QPS_INIT,
+ QELR_QPS_RTR,
+ QELR_QPS_RTS,
+ QELR_QPS_SQD,
+ QELR_QPS_ERR,
+ QELR_QPS_SQE
+};
+
+union db_prod32 {
+ struct rdma_pwm_val16_data data;
+ uint32_t raw;
+};
+
+struct qelr_qp_hwq_info {
+ /* WQE */
+ struct qelr_chain chain;
+ uint8_t max_sges;
+
+ /* WQ */
+ uint16_t prod;
+ uint16_t wqe_cons;
+ uint16_t cons;
+ uint16_t max_wr;
+
+ /* DB */
+ void *db; /* Doorbell address */
+ void *edpm_db;
+ union db_prod32 db_data; /* Doorbell data */
+
+ uint16_t icid;
+};
+
+struct qelr_rdma_ext {
+ uint64_t remote_va;
+ uint32_t remote_key;
+ uint32_t dma_length;
+};
+
+/* rdma extension, invalidate / immediate data + padding, inline data... */
+#define QELR_MAX_DPM_PAYLOAD (sizeof(struct qelr_rdma_ext) + sizeof(uint64_t) +\
+ ROCE_REQ_MAX_INLINE_DATA_SIZE)
+struct qelr_edpm {
+ union {
+ struct db_roce_dpm_data data;
+ uint64_t raw;
+ } msg;
+
+ uint8_t dpm_payload[QELR_MAX_DPM_PAYLOAD];
+ uint32_t dpm_payload_size;
+ uint32_t dpm_payload_offset;
+ uint8_t is_edpm;
+ struct qelr_rdma_ext *rdma_ext;
+};
+
+struct qelr_qp {
+ struct ibv_qp ibv_qp;
+ pthread_spinlock_t q_lock;
+ enum qelr_qp_state state; /* QP state */
+
+ struct qelr_qp_hwq_info sq;
+ struct qelr_qp_hwq_info rq;
+ struct {
+ uint64_t wr_id;
+ enum ibv_wc_opcode opcode;
+ uint32_t bytes_len;
+ uint8_t wqe_size;
+ uint8_t signaled;
+ } *wqe_wr_id;
+
+ struct {
+ uint64_t wr_id;
+ uint8_t wqe_size;
+ } *rqe_wr_id;
+
+ struct qelr_edpm edpm;
+ uint8_t prev_wqe_size;
+ uint32_t max_inline_data;
+ uint32_t qp_id;
+ int sq_sig_all;
+ int atomic_supported;
+
+};
+
+static inline struct qelr_devctx *get_qelr_ctx(struct ibv_context *ibctx)
+{
+ return container_of(ibctx, struct qelr_devctx, ibv_ctx);
+}
+
+static inline struct qelr_device *get_qelr_dev(struct ibv_device *ibdev)
+{
+ return container_of(ibdev, struct qelr_device, ibv_dev);
+}
+
+static inline struct qelr_qp *get_qelr_qp(struct ibv_qp *ibqp)
+{
+ return container_of(ibqp, struct qelr_qp, ibv_qp);
+}
+
+static inline struct qelr_pd *get_qelr_pd(struct ibv_pd *ibpd)
+{
+ return container_of(ibpd, struct qelr_pd, ibv_pd);
+}
+
+static inline struct qelr_cq *get_qelr_cq(struct ibv_cq *ibcq)
+{
+ return container_of(ibcq, struct qelr_cq, ibv_cq);
+}
+
+#define SET_FIELD(value, name, flag) \
+ do { \
+ (value) &= ~(name ## _MASK << name ## _SHIFT); \
+ (value) |= ((flag) << (name ## _SHIFT)); \
+ } while (0)
+
+#define SET_FIELD2(value, name, flag) \
+ ((value) |= ((flag) << (name ## _SHIFT)))
+
+#define GET_FIELD(value, name) \
+ (((value) >> (name ## _SHIFT)) & name ## _MASK)
+
+#define ROCE_WQE_ELEM_SIZE sizeof(struct rdma_sq_sge)
+
+#define QELR_RESP_IMM (RDMA_CQE_RESPONDER_IMM_FLG_MASK << \
+ RDMA_CQE_RESPONDER_IMM_FLG_SHIFT)
+#define QELR_RESP_RDMA (RDMA_CQE_RESPONDER_RDMA_FLG_MASK << \
+ RDMA_CQE_RESPONDER_RDMA_FLG_SHIFT)
+#define QELR_RESP_RDMA_IMM (QELR_RESP_IMM | QELR_RESP_RDMA)
+
+#define round_up(_val, _x) \
+ (((unsigned long)(_val) + ((_x)-1)) & (long)~((_x)-1))
+
+#define TYPEPTR_ADDR_SET(type_ptr, field, vaddr) \
+ do { \
+ (type_ptr)->field.hi = htole32(U64_HI(vaddr)); \
+ (type_ptr)->field.lo = htole32(U64_LO(vaddr)); \
+ } while (0)
+
+#define RQ_SGE_SET(sge, vaddr, vlength, vflags) \
+ do { \
+ TYPEPTR_ADDR_SET(sge, addr, vaddr); \
+ (sge)->length = htole32(vlength); \
+ (sge)->flags = htole32(vflags); \
+ } while (0)
+
+#define U64_HI(val) ((uint32_t)(((uint64_t)(val)) >> 32))
+#define U64_LO(val) ((uint32_t)(((uint64_t)(val)) & 0xffffffff))
+#define HILO_U64(hi, lo) ((((uint64_t)(hi)) << 32) + (lo))
+
+#define QELR_MAX_RQ_WQE_SIZE (RDMA_MAX_SGE_PER_RQ_WQE)
+#define QELR_MAX_SQ_WQE_SIZE (ROCE_REQ_MAX_SINGLE_SQ_WQE_SIZE / \
+ ROCE_WQE_ELEM_SIZE)
+
+#endif /* __QELR_H__ */
diff --git a/providers/qedr/qelr_main.c b/providers/qedr/qelr_main.c
new file mode 100644
index 0000000..386d7e6
--- /dev/null
+++ b/providers/qedr/qelr_main.c
@@ -0,0 +1,286 @@
+/*
+ * Copyright (c) 2015-2016 QLogic Corporation
+ *
+ * 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.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/mman.h>
+#include <pthread.h>
+
+#include "qelr.h"
+#include "qelr_main.h"
+#include "qelr_abi.h"
+#include "qelr_chain.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#define PCI_VENDOR_ID_QLOGIC (0x1077)
+#define PCI_DEVICE_ID_QLOGIC_57980S (0x1629)
+#define PCI_DEVICE_ID_QLOGIC_57980S_40 (0x1634)
+#define PCI_DEVICE_ID_QLOGIC_57980S_10 (0x1666)
+#define PCI_DEVICE_ID_QLOGIC_57980S_MF (0x1636)
+#define PCI_DEVICE_ID_QLOGIC_57980S_100 (0x1644)
+#define PCI_DEVICE_ID_QLOGIC_57980S_50 (0x1654)
+#define PCI_DEVICE_ID_QLOGIC_57980S_25 (0x1656)
+#define PCI_DEVICE_ID_QLOGIC_57980S_IOV (0x1664)
+#define PCI_DEVICE_ID_QLOGIC_AH_50G (0x8070)
+#define PCI_DEVICE_ID_QLOGIC_AH_10G (0x8071)
+#define PCI_DEVICE_ID_QLOGIC_AH_40G (0x8072)
+#define PCI_DEVICE_ID_QLOGIC_AH_25G (0x8073)
+#define PCI_DEVICE_ID_QLOGIC_AH_IOV (0x8090)
+
+uint32_t qelr_dp_level;
+uint32_t qelr_dp_module;
+
+#define QHCA(d) \
+ { .vendor = PCI_VENDOR_ID_QLOGIC, \
+ .device = PCI_DEVICE_ID_QLOGIC_##d }
+
+struct {
+ unsigned int vendor;
+ unsigned int device;
+} hca_table[] = {
+ QHCA(57980S),
+ QHCA(57980S_40),
+ QHCA(57980S_10),
+ QHCA(57980S_MF),
+ QHCA(57980S_100),
+ QHCA(57980S_50),
+ QHCA(57980S_25),
+ QHCA(57980S_IOV),
+ QHCA(AH_50G),
+ QHCA(AH_10G),
+ QHCA(AH_40G),
+ QHCA(AH_25G),
+ QHCA(AH_IOV),
+};
+
+static struct ibv_context *qelr_alloc_context(struct ibv_device *, int);
+static void qelr_free_context(struct ibv_context *);
+
+static struct ibv_context_ops qelr_ctx_ops = {
+ .query_device = qelr_query_device,
+ .query_port = qelr_query_port,
+ .alloc_pd = qelr_alloc_pd,
+ .dealloc_pd = qelr_dealloc_pd,
+ .reg_mr = qelr_reg_mr,
+ .dereg_mr = qelr_dereg_mr,
+ .create_cq = qelr_create_cq,
+ .poll_cq = qelr_poll_cq,
+ .req_notify_cq = qelr_arm_cq,
+ .cq_event = qelr_cq_event,
+ .destroy_cq = qelr_destroy_cq,
+ .create_qp = qelr_create_qp,
+ .query_qp = qelr_query_qp,
+ .modify_qp = qelr_modify_qp,
+ .destroy_qp = qelr_destroy_qp,
+ .post_send = qelr_post_send,
+ .post_recv = qelr_post_recv,
+ .async_event = qelr_async_event,
+};
+
+static struct ibv_device_ops qelr_dev_ops = {
+ .alloc_context = qelr_alloc_context,
+ .free_context = qelr_free_context
+};
+
+static void qelr_open_debug_file(struct qelr_devctx *ctx)
+{
+ char *env;
+
+ env = getenv("QELR_DEBUG_FILE");
+ if (!env) {
+ ctx->dbg_fp = stderr;
+ DP_VERBOSE(ctx->dbg_fp, QELR_MSG_INIT,
+ "Debug file opened: stderr\n");
+ return;
+ }
+
+ ctx->dbg_fp = fopen(env, "aw+");
+ if (!ctx->dbg_fp) {
+ fprintf(stderr, "Failed opening debug file %s, using stderr\n",
+ env);
+ ctx->dbg_fp = stderr;
+ DP_VERBOSE(ctx->dbg_fp, QELR_MSG_INIT,
+ "Debug file opened: stderr\n");
+ return;
+ }
+
+ DP_VERBOSE(ctx->dbg_fp, QELR_MSG_INIT, "Debug file opened: %s\n", env);
+}
+
+static void qelr_close_debug_file(struct qelr_devctx *ctx)
+{
+ if (ctx->dbg_fp && ctx->dbg_fp != stderr)
+ fclose(ctx->dbg_fp);
+}
+
+static void qelr_set_debug_mask(void)
+{
+ char *env;
+
+ qelr_dp_level = QELR_LEVEL_NOTICE;
+ qelr_dp_module = 0;
+
+ env = getenv("QELR_DP_LEVEL");
+ if (env)
+ qelr_dp_level = atoi(env);
+
+ env = getenv("QELR_DP_MODULE");
+ if (env)
+ qelr_dp_module = atoi(env);
+}
+
+static struct ibv_context *qelr_alloc_context(struct ibv_device *ibdev,
+ int cmd_fd)
+{
+ struct qelr_devctx *ctx;
+ struct qelr_get_context cmd;
+ struct qelr_alloc_ucontext_resp resp;
+
+ ctx = calloc(1, sizeof(struct qelr_devctx));
+ if (!ctx)
+ return NULL;
+ memset(&resp, 0, sizeof(resp));
+
+ ctx->ibv_ctx.cmd_fd = cmd_fd;
+
+ qelr_open_debug_file(ctx);
+ qelr_set_debug_mask();
+
+ if (ibv_cmd_get_context(&ctx->ibv_ctx,
+ (struct ibv_get_context *)&cmd, sizeof(cmd),
+ &resp.ibv_resp, sizeof(resp)))
+ goto cmd_err;
+
+ ctx->kernel_page_size = sysconf(_SC_PAGESIZE);
+ ctx->ibv_ctx.device = ibdev;
+ ctx->ibv_ctx.ops = qelr_ctx_ops;
+ ctx->db_pa = resp.db_pa;
+ ctx->db_size = resp.db_size;
+ ctx->max_send_wr = resp.max_send_wr;
+ ctx->max_recv_wr = resp.max_recv_wr;
+ ctx->sges_per_send_wr = resp.sges_per_send_wr;
+ ctx->sges_per_recv_wr = resp.sges_per_recv_wr;
+ ctx->max_cqes = resp.max_cqes;
+
+ ctx->db_addr = mmap(NULL, ctx->db_size, PROT_WRITE, MAP_SHARED,
+ cmd_fd, ctx->db_pa);
+
+ if (ctx->db_addr == MAP_FAILED) {
+ int errsv = errno;
+
+ DP_ERR(ctx->dbg_fp,
+ "alloc context: doorbell mapping failed resp.db_pa = %llx resp.db_size=%d context->cmd_fd=%d errno=%d\n",
+ resp.db_pa, resp.db_size, cmd_fd, errsv);
+ goto cmd_err;
+ }
+
+ return &ctx->ibv_ctx;
+
+cmd_err:
+ qelr_err("%s: Failed to allocate context for device.\n", __func__);
+ qelr_close_debug_file(ctx);
+ free(ctx);
+ return NULL;
+}
+
+static void qelr_free_context(struct ibv_context *ibctx)
+{
+ struct qelr_devctx *ctx = get_qelr_ctx(ibctx);
+
+ if (ctx->db_addr)
+ munmap(ctx->db_addr, ctx->db_size);
+
+ qelr_close_debug_file(ctx);
+ free(ctx);
+}
+
+struct ibv_device *qelr_driver_init(const char *uverbs_sys_path,
+ int abi_version)
+{
+ char value[16];
+ struct qelr_device *dev;
+ unsigned int vendor, device;
+ int i;
+
+ if (ibv_read_sysfs_file(uverbs_sys_path, "device/vendor",
+ value, sizeof(value)) < 0)
+ return NULL;
+
+ sscanf(value, "%i", &vendor);
+
+ if (ibv_read_sysfs_file(uverbs_sys_path, "device/device",
+ value, sizeof(value)) < 0)
+ return NULL;
+
+ sscanf(value, "%i", &device);
+
+ for (i = 0; i < sizeof(hca_table) / sizeof(hca_table[0]); ++i)
+ if (vendor == hca_table[i].vendor &&
+ device == hca_table[i].device)
+ goto found;
+
+ return NULL;
+found:
+ if (abi_version != QELR_ABI_VERSION) {
+ fprintf(stderr,
+ "Fatal: libqedr ABI version %d of %s is not supported.\n",
+ abi_version, uverbs_sys_path);
+ return NULL;
+ }
+
+ dev = malloc(sizeof(*dev));
+ if (!dev) {
+ qelr_err("%s() Fatal: fail allocate device for libqedr\n",
+ __func__);
+ return NULL;
+ }
+
+ bzero(dev, sizeof(*dev));
+
+ dev->ibv_dev.ops = qelr_dev_ops;
+
+ return &dev->ibv_dev;
+}
+
+static __attribute__ ((constructor))
+void qelr_register_driver(void)
+{
+ ibv_register_driver("qelr", qelr_driver_init);
+}
diff --git a/providers/qedr/qelr_main.h b/providers/qedr/qelr_main.h
new file mode 100644
index 0000000..1f65be6
--- /dev/null
+++ b/providers/qedr/qelr_main.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2015-2016 QLogic Corporation
+ *
+ * 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 __QELR_MAIN_H__
+#define __QELR_MAIN_H__
+
+#include <inttypes.h>
+#include <stddef.h>
+#include <endian.h>
+
+#include <infiniband/driver.h>
+#include <infiniband/arch.h>
+
+struct ibv_device *qelr_driver_init(const char *, int);
+
+int qelr_query_device(struct ibv_context *, struct ibv_device_attr *);
+int qelr_query_port(struct ibv_context *, uint8_t, struct ibv_port_attr *);
+
+struct ibv_pd *qelr_alloc_pd(struct ibv_context *);
+int qelr_dealloc_pd(struct ibv_pd *);
+
+struct ibv_mr *qelr_reg_mr(struct ibv_pd *, void *, size_t,
+ int ibv_access_flags);
+int qelr_dereg_mr(struct ibv_mr *);
+
+struct ibv_cq *qelr_create_cq(struct ibv_context *, int,
+ struct ibv_comp_channel *, int);
+int qelr_destroy_cq(struct ibv_cq *);
+int qelr_poll_cq(struct ibv_cq *, int, struct ibv_wc *);
+void qelr_cq_event(struct ibv_cq *);
+int qelr_arm_cq(struct ibv_cq *, int);
+
+int qelr_query_srq(struct ibv_srq *ibv_srq, struct ibv_srq_attr *attr);
+int qelr_modify_srq(struct ibv_srq *ibv_srq, struct ibv_srq_attr *attr,
+ int attr_mask);
+struct ibv_srq *qelr_create_srq(struct ibv_pd *, struct ibv_srq_init_attr *);
+int qelr_destroy_srq(struct ibv_srq *ibv_srq);
+int qelr_post_srq_recv(struct ibv_srq *, struct ibv_recv_wr *,
+ struct ibv_recv_wr **bad_wr);
+
+struct ibv_qp *qelr_create_qp(struct ibv_pd *, struct ibv_qp_init_attr *);
+int qelr_modify_qp(struct ibv_qp *, struct ibv_qp_attr *,
+ int ibv_qp_attr_mask);
+int qelr_query_qp(struct ibv_qp *qp, struct ibv_qp_attr *attr, int attr_mask,
+ struct ibv_qp_init_attr *init_attr);
+int qelr_destroy_qp(struct ibv_qp *);
+
+int qelr_post_send(struct ibv_qp *, struct ibv_send_wr *,
+ struct ibv_send_wr **);
+int qelr_post_recv(struct ibv_qp *, struct ibv_recv_wr *,
+ struct ibv_recv_wr **);
+
+void qelr_async_event(struct ibv_async_event *event);
+#endif /* __QELR_MAIN_H__ */
--
2.7.4
--
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