net/mlx5: move rearm and clock queue SQ creation to common
authorMichael Baum <michaelba@nvidia.com>
Wed, 6 Jan 2021 08:19:36 +0000 (08:19 +0000)
committerFerruh Yigit <ferruh.yigit@intel.com>
Thu, 14 Jan 2021 09:12:36 +0000 (10:12 +0100)
Using common function for DevX SQ creation for rearm and clock queue.

Signed-off-by: Michael Baum <michaelba@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
drivers/net/mlx5/mlx5.h
drivers/net/mlx5/mlx5_txpp.c

index 079cbca..0a0a943 100644 (file)
@@ -615,15 +615,9 @@ struct mlx5_txpp_wq {
        uint32_t cq_ci:24;
        uint32_t arm_sn:2;
        /* Send Queue related data.*/
-       struct mlx5_devx_obj *sq;
-       void *sq_umem;
-       union {
-               volatile void *sq_buf;
-               volatile struct mlx5_wqe *wqes;
-       };
+       struct mlx5_devx_sq sq_obj;
        uint16_t sq_size; /* Number of WQEs in the queue. */
        uint16_t sq_ci; /* Next WQE to execute. */
-       volatile uint32_t *sq_dbrec;
 };
 
 /* Tx packet pacing internal timestamp. */
index bd679c2..b38482d 100644 (file)
@@ -129,12 +129,7 @@ mlx5_txpp_alloc_pp_index(struct mlx5_dev_ctx_shared *sh)
 static void
 mlx5_txpp_destroy_send_queue(struct mlx5_txpp_wq *wq)
 {
-       if (wq->sq)
-               claim_zero(mlx5_devx_cmd_destroy(wq->sq));
-       if (wq->sq_umem)
-               claim_zero(mlx5_os_umem_dereg(wq->sq_umem));
-       if (wq->sq_buf)
-               mlx5_free((void *)(uintptr_t)wq->sq_buf);
+       mlx5_devx_sq_destroy(&wq->sq_obj);
        mlx5_devx_cq_destroy(&wq->cq_obj);
        memset(wq, 0, sizeof(*wq));
 }
@@ -163,6 +158,7 @@ static void
 mlx5_txpp_doorbell_rearm_queue(struct mlx5_dev_ctx_shared *sh, uint16_t ci)
 {
        struct mlx5_txpp_wq *wq = &sh->txpp.rearm_queue;
+       struct mlx5_wqe *wqe = (struct mlx5_wqe *)(uintptr_t)wq->sq_obj.wqes;
        union {
                uint32_t w32[2];
                uint64_t w64;
@@ -171,11 +167,11 @@ mlx5_txpp_doorbell_rearm_queue(struct mlx5_dev_ctx_shared *sh, uint16_t ci)
 
        wq->sq_ci = ci + 1;
        cs.w32[0] = rte_cpu_to_be_32(rte_be_to_cpu_32
-                  (wq->wqes[ci & (wq->sq_size - 1)].ctrl[0]) | (ci - 1) << 8);
-       cs.w32[1] = wq->wqes[ci & (wq->sq_size - 1)].ctrl[1];
+                       (wqe[ci & (wq->sq_size - 1)].ctrl[0]) | (ci - 1) << 8);
+       cs.w32[1] = wqe[ci & (wq->sq_size - 1)].ctrl[1];
        /* Update SQ doorbell record with new SQ ci. */
        rte_compiler_barrier();
-       *wq->sq_dbrec = rte_cpu_to_be_32(wq->sq_ci);
+       *wq->sq_obj.db_rec = rte_cpu_to_be_32(wq->sq_ci);
        /* Make sure the doorbell record is updated. */
        rte_wmb();
        /* Write to doorbel register to start processing. */
@@ -188,7 +184,7 @@ static void
 mlx5_txpp_fill_wqe_rearm_queue(struct mlx5_dev_ctx_shared *sh)
 {
        struct mlx5_txpp_wq *wq = &sh->txpp.rearm_queue;
-       struct mlx5_wqe *wqe = (struct mlx5_wqe *)(uintptr_t)wq->wqes;
+       struct mlx5_wqe *wqe = (struct mlx5_wqe *)(uintptr_t)wq->sq_obj.wqes;
        uint32_t i;
 
        for (i = 0; i < wq->sq_size; i += 2) {
@@ -199,7 +195,7 @@ mlx5_txpp_fill_wqe_rearm_queue(struct mlx5_dev_ctx_shared *sh)
                /* Build SEND_EN request with slave WQE index. */
                cs = &wqe[i + 0].cseg;
                cs->opcode = RTE_BE32(MLX5_OPCODE_SEND_EN | 0);
-               cs->sq_ds = rte_cpu_to_be_32((wq->sq->id << 8) | 2);
+               cs->sq_ds = rte_cpu_to_be_32((wq->sq_obj.sq->id << 8) | 2);
                cs->flags = RTE_BE32(MLX5_COMP_ALWAYS <<
                                     MLX5_COMP_MODE_OFFSET);
                cs->misc = RTE_BE32(0);
@@ -207,11 +203,12 @@ mlx5_txpp_fill_wqe_rearm_queue(struct mlx5_dev_ctx_shared *sh)
                index = (i * MLX5_TXPP_REARM / 2 + MLX5_TXPP_REARM) &
                        ((1 << MLX5_WQ_INDEX_WIDTH) - 1);
                qs->max_index = rte_cpu_to_be_32(index);
-               qs->qpn_cqn = rte_cpu_to_be_32(sh->txpp.clock_queue.sq->id);
+               qs->qpn_cqn =
+                          rte_cpu_to_be_32(sh->txpp.clock_queue.sq_obj.sq->id);
                /* Build WAIT request with slave CQE index. */
                cs = &wqe[i + 1].cseg;
                cs->opcode = RTE_BE32(MLX5_OPCODE_WAIT | 0);
-               cs->sq_ds = rte_cpu_to_be_32((wq->sq->id << 8) | 2);
+               cs->sq_ds = rte_cpu_to_be_32((wq->sq_obj.sq->id << 8) | 2);
                cs->flags = RTE_BE32(MLX5_COMP_ONLY_ERR <<
                                     MLX5_COMP_MODE_OFFSET);
                cs->misc = RTE_BE32(0);
@@ -228,21 +225,23 @@ mlx5_txpp_fill_wqe_rearm_queue(struct mlx5_dev_ctx_shared *sh)
 static int
 mlx5_txpp_create_rearm_queue(struct mlx5_dev_ctx_shared *sh)
 {
-       struct mlx5_devx_create_sq_attr sq_attr = { 0 };
+       struct mlx5_devx_create_sq_attr sq_attr = {
+               .cd_master = 1,
+               .state = MLX5_SQC_STATE_RST,
+               .tis_lst_sz = 1,
+               .tis_num = sh->tis->id,
+               .wq_attr = (struct mlx5_devx_wq_attr){
+                       .pd = sh->pdn,
+                       .uar_page = mlx5_os_get_devx_uar_page_id(sh->tx_uar),
+               },
+       };
        struct mlx5_devx_modify_sq_attr msq_attr = { 0 };
        struct mlx5_devx_cq_attr cq_attr = {
                .uar_page_id = mlx5_os_get_devx_uar_page_id(sh->tx_uar),
        };
        struct mlx5_txpp_wq *wq = &sh->txpp.rearm_queue;
-       size_t page_size;
-       uint32_t umem_size, umem_dbrec;
        int ret;
 
-       page_size = rte_mem_page_size();
-       if (page_size == (size_t)-1) {
-               DRV_LOG(ERR, "Failed to get mem page size");
-               return -ENOMEM;
-       }
        /* Create completion queue object for Rearm Queue. */
        ret = mlx5_devx_cq_create(sh->ctx, &wq->cq_obj,
                                  log2above(MLX5_TXPP_REARM_CQ_SIZE), &cq_attr,
@@ -253,63 +252,25 @@ mlx5_txpp_create_rearm_queue(struct mlx5_dev_ctx_shared *sh)
        }
        wq->cq_ci = 0;
        wq->arm_sn = 0;
-       /*
-        * Allocate memory buffer for Send Queue WQEs.
-        * There should be no WQE leftovers in the cyclic queue.
-        */
        wq->sq_size = MLX5_TXPP_REARM_SQ_SIZE;
        MLX5_ASSERT(wq->sq_size == (1 << log2above(wq->sq_size)));
-       umem_size =  MLX5_WQE_SIZE * wq->sq_size;
-       umem_dbrec = RTE_ALIGN(umem_size, MLX5_DBR_SIZE);
-       umem_size += MLX5_DBR_SIZE;
-       wq->sq_buf = mlx5_malloc(MLX5_MEM_RTE | MLX5_MEM_ZERO, umem_size,
-                                page_size, sh->numa_node);
-       if (!wq->sq_buf) {
-               DRV_LOG(ERR, "Failed to allocate memory for Rearm Queue.");
-               rte_errno = ENOMEM;
-               goto error;
-       }
-       /* Register allocated buffer in user space with DevX. */
-       wq->sq_umem = mlx5_os_umem_reg(sh->ctx,
-                                              (void *)(uintptr_t)wq->sq_buf,
-                                              umem_size,
-                                              IBV_ACCESS_LOCAL_WRITE);
-       if (!wq->sq_umem) {
-               rte_errno = errno;
-               DRV_LOG(ERR, "Failed to register umem for Rearm Queue.");
-               goto error;
-       }
        /* Create send queue object for Rearm Queue. */
-       sq_attr.state = MLX5_SQC_STATE_RST;
-       sq_attr.tis_lst_sz = 1;
-       sq_attr.tis_num = sh->tis->id;
        sq_attr.cqn = wq->cq_obj.cq->id;
-       sq_attr.cd_master = 1;
-       sq_attr.wq_attr.uar_page = mlx5_os_get_devx_uar_page_id(sh->tx_uar);
-       sq_attr.wq_attr.wq_type = MLX5_WQ_TYPE_CYCLIC;
-       sq_attr.wq_attr.pd = sh->pdn;
-       sq_attr.wq_attr.log_wq_stride = rte_log2_u32(MLX5_WQE_SIZE);
-       sq_attr.wq_attr.log_wq_sz = rte_log2_u32(wq->sq_size);
-       sq_attr.wq_attr.dbr_umem_valid = 1;
-       sq_attr.wq_attr.dbr_addr = umem_dbrec;
-       sq_attr.wq_attr.dbr_umem_id = mlx5_os_get_umem_id(wq->sq_umem);
-       sq_attr.wq_attr.wq_umem_valid = 1;
-       sq_attr.wq_attr.wq_umem_id = mlx5_os_get_umem_id(wq->sq_umem);
-       sq_attr.wq_attr.wq_umem_offset = 0;
-       wq->sq = mlx5_devx_cmd_create_sq(sh->ctx, &sq_attr);
-       if (!wq->sq) {
+       /* There should be no WQE leftovers in the cyclic queue. */
+       ret = mlx5_devx_sq_create(sh->ctx, &wq->sq_obj,
+                                 log2above(MLX5_TXPP_REARM_SQ_SIZE), &sq_attr,
+                                 sh->numa_node);
+       if (ret) {
                rte_errno = errno;
                DRV_LOG(ERR, "Failed to create SQ for Rearm Queue.");
                goto error;
        }
-       wq->sq_dbrec = RTE_PTR_ADD(wq->sq_buf, umem_dbrec +
-                                  MLX5_SND_DBR * sizeof(uint32_t));
        /* Build the WQEs in the Send Queue before goto Ready state. */
        mlx5_txpp_fill_wqe_rearm_queue(sh);
        /* Change queue state to ready. */
        msq_attr.sq_state = MLX5_SQC_STATE_RST;
        msq_attr.state = MLX5_SQC_STATE_RDY;
-       ret = mlx5_devx_cmd_modify_sq(wq->sq, &msq_attr);
+       ret = mlx5_devx_cmd_modify_sq(wq->sq_obj.sq, &msq_attr);
        if (ret) {
                DRV_LOG(ERR, "Failed to set SQ ready state Rearm Queue.");
                goto error;
@@ -326,7 +287,7 @@ static void
 mlx5_txpp_fill_wqe_clock_queue(struct mlx5_dev_ctx_shared *sh)
 {
        struct mlx5_txpp_wq *wq = &sh->txpp.clock_queue;
-       struct mlx5_wqe *wqe = (struct mlx5_wqe *)(uintptr_t)wq->wqes;
+       struct mlx5_wqe *wqe = (struct mlx5_wqe *)(uintptr_t)wq->sq_obj.wqes;
        struct mlx5_wqe_cseg *cs = &wqe->cseg;
        uint32_t wqe_size, opcode, i;
        uint8_t *dst;
@@ -344,7 +305,7 @@ mlx5_txpp_fill_wqe_clock_queue(struct mlx5_dev_ctx_shared *sh)
                opcode = MLX5_OPCODE_NOP;
        }
        cs->opcode = rte_cpu_to_be_32(opcode | 0); /* Index is ignored. */
-       cs->sq_ds = rte_cpu_to_be_32((wq->sq->id << 8) |
+       cs->sq_ds = rte_cpu_to_be_32((wq->sq_obj.sq->id << 8) |
                                     (wqe_size / MLX5_WSEG_SIZE));
        cs->flags = RTE_BE32(MLX5_COMP_ALWAYS << MLX5_COMP_MODE_OFFSET);
        cs->misc = RTE_BE32(0);
@@ -413,10 +374,11 @@ mlx5_txpp_fill_wqe_clock_queue(struct mlx5_dev_ctx_shared *sh)
        }
 wcopy:
        /* Duplicate the pattern to the next WQEs. */
-       dst = (uint8_t *)(uintptr_t)wq->sq_buf;
+       dst = (uint8_t *)(uintptr_t)wq->sq_obj.umem_buf;
        for (i = 1; i < MLX5_TXPP_CLKQ_SIZE; i++) {
                dst += wqe_size;
-               rte_memcpy(dst, (void *)(uintptr_t)wq->sq_buf, wqe_size);
+               rte_memcpy(dst, (void *)(uintptr_t)wq->sq_obj.umem_buf,
+                          wqe_size);
        }
 }
 
@@ -432,15 +394,8 @@ mlx5_txpp_create_clock_queue(struct mlx5_dev_ctx_shared *sh)
                .uar_page_id = mlx5_os_get_devx_uar_page_id(sh->tx_uar),
        };
        struct mlx5_txpp_wq *wq = &sh->txpp.clock_queue;
-       size_t page_size;
-       uint32_t umem_size, umem_dbrec;
        int ret;
 
-       page_size = rte_mem_page_size();
-       if (page_size == (size_t)-1) {
-               DRV_LOG(ERR, "Failed to get mem page size");
-               return -ENOMEM;
-       }
        sh->txpp.tsa = mlx5_malloc(MLX5_MEM_RTE | MLX5_MEM_ZERO,
                                   MLX5_TXPP_REARM_SQ_SIZE *
                                   sizeof(struct mlx5_txpp_ts),
@@ -473,26 +428,6 @@ mlx5_txpp_create_clock_queue(struct mlx5_dev_ctx_shared *sh)
        }
        /* There should not be WQE leftovers in the cyclic queue. */
        MLX5_ASSERT(wq->sq_size == (1 << log2above(wq->sq_size)));
-       umem_size =  MLX5_WQE_SIZE * wq->sq_size;
-       umem_dbrec = RTE_ALIGN(umem_size, MLX5_DBR_SIZE);
-       umem_size += MLX5_DBR_SIZE;
-       wq->sq_buf = mlx5_malloc(MLX5_MEM_RTE | MLX5_MEM_ZERO, umem_size,
-                                page_size, sh->numa_node);
-       if (!wq->sq_buf) {
-               DRV_LOG(ERR, "Failed to allocate memory for Clock Queue.");
-               rte_errno = ENOMEM;
-               goto error;
-       }
-       /* Register allocated buffer in user space with DevX. */
-       wq->sq_umem = mlx5_os_umem_reg(sh->ctx,
-                                              (void *)(uintptr_t)wq->sq_buf,
-                                              umem_size,
-                                              IBV_ACCESS_LOCAL_WRITE);
-       if (!wq->sq_umem) {
-               rte_errno = errno;
-               DRV_LOG(ERR, "Failed to register umem for Clock Queue.");
-               goto error;
-       }
        /* Create send queue object for Clock Queue. */
        if (sh->txpp.test) {
                sq_attr.tis_lst_sz = 1;
@@ -503,37 +438,25 @@ mlx5_txpp_create_clock_queue(struct mlx5_dev_ctx_shared *sh)
                sq_attr.non_wire = 1;
                sq_attr.static_sq_wq = 1;
        }
-       sq_attr.state = MLX5_SQC_STATE_RST;
        sq_attr.cqn = wq->cq_obj.cq->id;
        sq_attr.packet_pacing_rate_limit_index = sh->txpp.pp_id;
        sq_attr.wq_attr.cd_slave = 1;
        sq_attr.wq_attr.uar_page = mlx5_os_get_devx_uar_page_id(sh->tx_uar);
-       sq_attr.wq_attr.wq_type = MLX5_WQ_TYPE_CYCLIC;
        sq_attr.wq_attr.pd = sh->pdn;
-       sq_attr.wq_attr.log_wq_stride = rte_log2_u32(MLX5_WQE_SIZE);
-       sq_attr.wq_attr.log_wq_sz = rte_log2_u32(wq->sq_size);
-       sq_attr.wq_attr.dbr_umem_valid = 1;
-       sq_attr.wq_attr.dbr_addr = umem_dbrec;
-       sq_attr.wq_attr.dbr_umem_id = mlx5_os_get_umem_id(wq->sq_umem);
-       sq_attr.wq_attr.wq_umem_valid = 1;
-       sq_attr.wq_attr.wq_umem_id = mlx5_os_get_umem_id(wq->sq_umem);
-       /* umem_offset must be zero for static_sq_wq queue. */
-       sq_attr.wq_attr.wq_umem_offset = 0;
-       wq->sq = mlx5_devx_cmd_create_sq(sh->ctx, &sq_attr);
-       if (!wq->sq) {
+       ret = mlx5_devx_sq_create(sh->ctx, &wq->sq_obj, log2above(wq->sq_size),
+                                 &sq_attr, sh->numa_node);
+       if (ret) {
                rte_errno = errno;
                DRV_LOG(ERR, "Failed to create SQ for Clock Queue.");
                goto error;
        }
-       wq->sq_dbrec = RTE_PTR_ADD(wq->sq_buf, umem_dbrec +
-                                  MLX5_SND_DBR * sizeof(uint32_t));
        /* Build the WQEs in the Send Queue before goto Ready state. */
        mlx5_txpp_fill_wqe_clock_queue(sh);
        /* Change queue state to ready. */
        msq_attr.sq_state = MLX5_SQC_STATE_RST;
        msq_attr.state = MLX5_SQC_STATE_RDY;
        wq->sq_ci = 0;
-       ret = mlx5_devx_cmd_modify_sq(wq->sq, &msq_attr);
+       ret = mlx5_devx_cmd_modify_sq(wq->sq_obj.sq, &msq_attr);
        if (ret) {
                DRV_LOG(ERR, "Failed to set SQ ready state Clock Queue.");
                goto error;