| // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB |
| /* |
| * Copyright (c) 2013-2020, Mellanox Technologies inc. All rights reserved. |
| */ |
| |
| #include <linux/gfp.h> |
| #include <linux/mlx5/qp.h> |
| #include <linux/mlx5/driver.h> |
| #include "mlx5_ib.h" |
| #include "qp.h" |
| |
| static int mlx5_core_drain_dct(struct mlx5_ib_dev *dev, |
| struct mlx5_core_dct *dct); |
| |
| static struct mlx5_core_rsc_common * |
| mlx5_get_rsc(struct mlx5_qp_table *table, u32 rsn) |
| { |
| struct mlx5_core_rsc_common *common; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&table->lock, flags); |
| |
| common = radix_tree_lookup(&table->tree, rsn); |
| if (common) |
| refcount_inc(&common->refcount); |
| |
| spin_unlock_irqrestore(&table->lock, flags); |
| |
| return common; |
| } |
| |
| void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common) |
| { |
| if (refcount_dec_and_test(&common->refcount)) |
| complete(&common->free); |
| } |
| |
| static u64 qp_allowed_event_types(void) |
| { |
| u64 mask; |
| |
| mask = BIT(MLX5_EVENT_TYPE_PATH_MIG) | |
| BIT(MLX5_EVENT_TYPE_COMM_EST) | |
| BIT(MLX5_EVENT_TYPE_SQ_DRAINED) | |
| BIT(MLX5_EVENT_TYPE_SRQ_LAST_WQE) | |
| BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR) | |
| BIT(MLX5_EVENT_TYPE_PATH_MIG_FAILED) | |
| BIT(MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR) | |
| BIT(MLX5_EVENT_TYPE_WQ_ACCESS_ERROR); |
| |
| return mask; |
| } |
| |
| static u64 rq_allowed_event_types(void) |
| { |
| u64 mask; |
| |
| mask = BIT(MLX5_EVENT_TYPE_SRQ_LAST_WQE) | |
| BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR); |
| |
| return mask; |
| } |
| |
| static u64 sq_allowed_event_types(void) |
| { |
| return BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR); |
| } |
| |
| static u64 dct_allowed_event_types(void) |
| { |
| return BIT(MLX5_EVENT_TYPE_DCT_DRAINED); |
| } |
| |
| static bool is_event_type_allowed(int rsc_type, int event_type) |
| { |
| switch (rsc_type) { |
| case MLX5_EVENT_QUEUE_TYPE_QP: |
| return BIT(event_type) & qp_allowed_event_types(); |
| case MLX5_EVENT_QUEUE_TYPE_RQ: |
| return BIT(event_type) & rq_allowed_event_types(); |
| case MLX5_EVENT_QUEUE_TYPE_SQ: |
| return BIT(event_type) & sq_allowed_event_types(); |
| case MLX5_EVENT_QUEUE_TYPE_DCT: |
| return BIT(event_type) & dct_allowed_event_types(); |
| default: |
| WARN(1, "Event arrived for unknown resource type"); |
| return false; |
| } |
| } |
| |
| static int rsc_event_notifier(struct notifier_block *nb, |
| unsigned long type, void *data) |
| { |
| struct mlx5_core_rsc_common *common; |
| struct mlx5_qp_table *table; |
| struct mlx5_core_dct *dct; |
| u8 event_type = (u8)type; |
| struct mlx5_core_qp *qp; |
| struct mlx5_eqe *eqe; |
| u32 rsn; |
| |
| switch (event_type) { |
| case MLX5_EVENT_TYPE_DCT_DRAINED: |
| eqe = data; |
| rsn = be32_to_cpu(eqe->data.dct.dctn) & 0xffffff; |
| rsn |= (MLX5_RES_DCT << MLX5_USER_INDEX_LEN); |
| break; |
| case MLX5_EVENT_TYPE_PATH_MIG: |
| case MLX5_EVENT_TYPE_COMM_EST: |
| case MLX5_EVENT_TYPE_SQ_DRAINED: |
| case MLX5_EVENT_TYPE_SRQ_LAST_WQE: |
| case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: |
| case MLX5_EVENT_TYPE_PATH_MIG_FAILED: |
| case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: |
| case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: |
| eqe = data; |
| rsn = be32_to_cpu(eqe->data.qp_srq.qp_srq_n) & 0xffffff; |
| rsn |= (eqe->data.qp_srq.type << MLX5_USER_INDEX_LEN); |
| break; |
| default: |
| return NOTIFY_DONE; |
| } |
| |
| table = container_of(nb, struct mlx5_qp_table, nb); |
| common = mlx5_get_rsc(table, rsn); |
| if (!common) |
| return NOTIFY_OK; |
| |
| if (!is_event_type_allowed((rsn >> MLX5_USER_INDEX_LEN), event_type)) |
| goto out; |
| |
| switch (common->res) { |
| case MLX5_RES_QP: |
| case MLX5_RES_RQ: |
| case MLX5_RES_SQ: |
| qp = (struct mlx5_core_qp *)common; |
| qp->event(qp, event_type); |
| break; |
| case MLX5_RES_DCT: |
| dct = (struct mlx5_core_dct *)common; |
| if (event_type == MLX5_EVENT_TYPE_DCT_DRAINED) |
| complete(&dct->drained); |
| break; |
| default: |
| break; |
| } |
| out: |
| mlx5_core_put_rsc(common); |
| |
| return NOTIFY_OK; |
| } |
| |
| static int create_resource_common(struct mlx5_ib_dev *dev, |
| struct mlx5_core_qp *qp, int rsc_type) |
| { |
| struct mlx5_qp_table *table = &dev->qp_table; |
| int err; |
| |
| qp->common.res = rsc_type; |
| spin_lock_irq(&table->lock); |
| err = radix_tree_insert(&table->tree, |
| qp->qpn | (rsc_type << MLX5_USER_INDEX_LEN), |
| qp); |
| spin_unlock_irq(&table->lock); |
| if (err) |
| return err; |
| |
| refcount_set(&qp->common.refcount, 1); |
| init_completion(&qp->common.free); |
| qp->pid = current->pid; |
| |
| return 0; |
| } |
| |
| static void destroy_resource_common(struct mlx5_ib_dev *dev, |
| struct mlx5_core_qp *qp) |
| { |
| struct mlx5_qp_table *table = &dev->qp_table; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&table->lock, flags); |
| radix_tree_delete(&table->tree, |
| qp->qpn | (qp->common.res << MLX5_USER_INDEX_LEN)); |
| spin_unlock_irqrestore(&table->lock, flags); |
| mlx5_core_put_rsc((struct mlx5_core_rsc_common *)qp); |
| wait_for_completion(&qp->common.free); |
| } |
| |
| static int _mlx5_core_destroy_dct(struct mlx5_ib_dev *dev, |
| struct mlx5_core_dct *dct, bool need_cleanup) |
| { |
| u32 in[MLX5_ST_SZ_DW(destroy_dct_in)] = {}; |
| struct mlx5_core_qp *qp = &dct->mqp; |
| int err; |
| |
| err = mlx5_core_drain_dct(dev, dct); |
| if (err) { |
| if (dev->mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) |
| goto destroy; |
| |
| return err; |
| } |
| wait_for_completion(&dct->drained); |
| destroy: |
| if (need_cleanup) |
| destroy_resource_common(dev, &dct->mqp); |
| MLX5_SET(destroy_dct_in, in, opcode, MLX5_CMD_OP_DESTROY_DCT); |
| MLX5_SET(destroy_dct_in, in, dctn, qp->qpn); |
| MLX5_SET(destroy_dct_in, in, uid, qp->uid); |
| err = mlx5_cmd_exec_in(dev->mdev, destroy_dct, in); |
| return err; |
| } |
| |
| int mlx5_core_create_dct(struct mlx5_ib_dev *dev, struct mlx5_core_dct *dct, |
| u32 *in, int inlen, u32 *out, int outlen) |
| { |
| struct mlx5_core_qp *qp = &dct->mqp; |
| int err; |
| |
| init_completion(&dct->drained); |
| MLX5_SET(create_dct_in, in, opcode, MLX5_CMD_OP_CREATE_DCT); |
| |
| err = mlx5_cmd_exec(dev->mdev, in, inlen, out, outlen); |
| if (err) |
| return err; |
| |
| qp->qpn = MLX5_GET(create_dct_out, out, dctn); |
| qp->uid = MLX5_GET(create_dct_in, in, uid); |
| err = create_resource_common(dev, qp, MLX5_RES_DCT); |
| if (err) |
| goto err_cmd; |
| |
| return 0; |
| err_cmd: |
| _mlx5_core_destroy_dct(dev, dct, false); |
| return err; |
| } |
| |
| int mlx5_qpc_create_qp(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp, |
| u32 *in, int inlen, u32 *out) |
| { |
| u32 din[MLX5_ST_SZ_DW(destroy_qp_in)] = {}; |
| int err; |
| |
| MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP); |
| |
| err = mlx5_cmd_exec(dev->mdev, in, inlen, out, |
| MLX5_ST_SZ_BYTES(create_qp_out)); |
| if (err) |
| return err; |
| |
| qp->uid = MLX5_GET(create_qp_in, in, uid); |
| qp->qpn = MLX5_GET(create_qp_out, out, qpn); |
| |
| err = create_resource_common(dev, qp, MLX5_RES_QP); |
| if (err) |
| goto err_cmd; |
| |
| mlx5_debug_qp_add(dev->mdev, qp); |
| |
| return 0; |
| |
| err_cmd: |
| MLX5_SET(destroy_qp_in, din, opcode, MLX5_CMD_OP_DESTROY_QP); |
| MLX5_SET(destroy_qp_in, din, qpn, qp->qpn); |
| MLX5_SET(destroy_qp_in, din, uid, qp->uid); |
| mlx5_cmd_exec_in(dev->mdev, destroy_qp, din); |
| return err; |
| } |
| |
| static int mlx5_core_drain_dct(struct mlx5_ib_dev *dev, |
| struct mlx5_core_dct *dct) |
| { |
| u32 in[MLX5_ST_SZ_DW(drain_dct_in)] = {}; |
| struct mlx5_core_qp *qp = &dct->mqp; |
| |
| MLX5_SET(drain_dct_in, in, opcode, MLX5_CMD_OP_DRAIN_DCT); |
| MLX5_SET(drain_dct_in, in, dctn, qp->qpn); |
| MLX5_SET(drain_dct_in, in, uid, qp->uid); |
| return mlx5_cmd_exec_in(dev->mdev, drain_dct, in); |
| } |
| |
| int mlx5_core_destroy_dct(struct mlx5_ib_dev *dev, |
| struct mlx5_core_dct *dct) |
| { |
| return _mlx5_core_destroy_dct(dev, dct, true); |
| } |
| |
| int mlx5_core_destroy_qp(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp) |
| { |
| u32 in[MLX5_ST_SZ_DW(destroy_qp_in)] = {}; |
| |
| mlx5_debug_qp_remove(dev->mdev, qp); |
| |
| destroy_resource_common(dev, qp); |
| |
| MLX5_SET(destroy_qp_in, in, opcode, MLX5_CMD_OP_DESTROY_QP); |
| MLX5_SET(destroy_qp_in, in, qpn, qp->qpn); |
| MLX5_SET(destroy_qp_in, in, uid, qp->uid); |
| mlx5_cmd_exec_in(dev->mdev, destroy_qp, in); |
| return 0; |
| } |
| |
| int mlx5_core_set_delay_drop(struct mlx5_ib_dev *dev, |
| u32 timeout_usec) |
| { |
| u32 in[MLX5_ST_SZ_DW(set_delay_drop_params_in)] = {}; |
| |
| MLX5_SET(set_delay_drop_params_in, in, opcode, |
| MLX5_CMD_OP_SET_DELAY_DROP_PARAMS); |
| MLX5_SET(set_delay_drop_params_in, in, delay_drop_timeout, |
| timeout_usec / 100); |
| return mlx5_cmd_exec_in(dev->mdev, set_delay_drop_params, in); |
| } |
| |
| struct mbox_info { |
| u32 *in; |
| u32 *out; |
| int inlen; |
| int outlen; |
| }; |
| |
| static int mbox_alloc(struct mbox_info *mbox, int inlen, int outlen) |
| { |
| mbox->inlen = inlen; |
| mbox->outlen = outlen; |
| mbox->in = kzalloc(mbox->inlen, GFP_KERNEL); |
| mbox->out = kzalloc(mbox->outlen, GFP_KERNEL); |
| if (!mbox->in || !mbox->out) { |
| kfree(mbox->in); |
| kfree(mbox->out); |
| return -ENOMEM; |
| } |
| |
| return 0; |
| } |
| |
| static void mbox_free(struct mbox_info *mbox) |
| { |
| kfree(mbox->in); |
| kfree(mbox->out); |
| } |
| |
| static int get_ece_from_mbox(void *out, u16 opcode) |
| { |
| int ece = 0; |
| |
| switch (opcode) { |
| case MLX5_CMD_OP_INIT2INIT_QP: |
| ece = MLX5_GET(init2init_qp_out, out, ece); |
| break; |
| case MLX5_CMD_OP_INIT2RTR_QP: |
| ece = MLX5_GET(init2rtr_qp_out, out, ece); |
| break; |
| case MLX5_CMD_OP_RTR2RTS_QP: |
| ece = MLX5_GET(rtr2rts_qp_out, out, ece); |
| break; |
| case MLX5_CMD_OP_RTS2RTS_QP: |
| ece = MLX5_GET(rts2rts_qp_out, out, ece); |
| break; |
| case MLX5_CMD_OP_RST2INIT_QP: |
| ece = MLX5_GET(rst2init_qp_out, out, ece); |
| break; |
| default: |
| break; |
| } |
| |
| return ece; |
| } |
| |
| static int modify_qp_mbox_alloc(struct mlx5_core_dev *dev, u16 opcode, int qpn, |
| u32 opt_param_mask, void *qpc, |
| struct mbox_info *mbox, u16 uid, u32 ece) |
| { |
| mbox->out = NULL; |
| mbox->in = NULL; |
| |
| #define MBOX_ALLOC(mbox, typ) \ |
| mbox_alloc(mbox, MLX5_ST_SZ_BYTES(typ##_in), MLX5_ST_SZ_BYTES(typ##_out)) |
| |
| #define MOD_QP_IN_SET(typ, in, _opcode, _qpn, _uid) \ |
| do { \ |
| MLX5_SET(typ##_in, in, opcode, _opcode); \ |
| MLX5_SET(typ##_in, in, qpn, _qpn); \ |
| MLX5_SET(typ##_in, in, uid, _uid); \ |
| } while (0) |
| |
| #define MOD_QP_IN_SET_QPC(typ, in, _opcode, _qpn, _opt_p, _qpc, _uid) \ |
| do { \ |
| MOD_QP_IN_SET(typ, in, _opcode, _qpn, _uid); \ |
| MLX5_SET(typ##_in, in, opt_param_mask, _opt_p); \ |
| memcpy(MLX5_ADDR_OF(typ##_in, in, qpc), _qpc, \ |
| MLX5_ST_SZ_BYTES(qpc)); \ |
| } while (0) |
| |
| switch (opcode) { |
| /* 2RST & 2ERR */ |
| case MLX5_CMD_OP_2RST_QP: |
| if (MBOX_ALLOC(mbox, qp_2rst)) |
| return -ENOMEM; |
| MOD_QP_IN_SET(qp_2rst, mbox->in, opcode, qpn, uid); |
| break; |
| case MLX5_CMD_OP_2ERR_QP: |
| if (MBOX_ALLOC(mbox, qp_2err)) |
| return -ENOMEM; |
| MOD_QP_IN_SET(qp_2err, mbox->in, opcode, qpn, uid); |
| break; |
| |
| /* MODIFY with QPC */ |
| case MLX5_CMD_OP_RST2INIT_QP: |
| if (MBOX_ALLOC(mbox, rst2init_qp)) |
| return -ENOMEM; |
| MOD_QP_IN_SET_QPC(rst2init_qp, mbox->in, opcode, qpn, |
| opt_param_mask, qpc, uid); |
| MLX5_SET(rst2init_qp_in, mbox->in, ece, ece); |
| break; |
| case MLX5_CMD_OP_INIT2RTR_QP: |
| if (MBOX_ALLOC(mbox, init2rtr_qp)) |
| return -ENOMEM; |
| MOD_QP_IN_SET_QPC(init2rtr_qp, mbox->in, opcode, qpn, |
| opt_param_mask, qpc, uid); |
| MLX5_SET(init2rtr_qp_in, mbox->in, ece, ece); |
| break; |
| case MLX5_CMD_OP_RTR2RTS_QP: |
| if (MBOX_ALLOC(mbox, rtr2rts_qp)) |
| return -ENOMEM; |
| MOD_QP_IN_SET_QPC(rtr2rts_qp, mbox->in, opcode, qpn, |
| opt_param_mask, qpc, uid); |
| MLX5_SET(rtr2rts_qp_in, mbox->in, ece, ece); |
| break; |
| case MLX5_CMD_OP_RTS2RTS_QP: |
| if (MBOX_ALLOC(mbox, rts2rts_qp)) |
| return -ENOMEM; |
| MOD_QP_IN_SET_QPC(rts2rts_qp, mbox->in, opcode, qpn, |
| opt_param_mask, qpc, uid); |
| MLX5_SET(rts2rts_qp_in, mbox->in, ece, ece); |
| break; |
| case MLX5_CMD_OP_SQERR2RTS_QP: |
| if (MBOX_ALLOC(mbox, sqerr2rts_qp)) |
| return -ENOMEM; |
| MOD_QP_IN_SET_QPC(sqerr2rts_qp, mbox->in, opcode, qpn, |
| opt_param_mask, qpc, uid); |
| break; |
| case MLX5_CMD_OP_INIT2INIT_QP: |
| if (MBOX_ALLOC(mbox, init2init_qp)) |
| return -ENOMEM; |
| MOD_QP_IN_SET_QPC(init2init_qp, mbox->in, opcode, qpn, |
| opt_param_mask, qpc, uid); |
| MLX5_SET(init2init_qp_in, mbox->in, ece, ece); |
| break; |
| default: |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| int mlx5_core_qp_modify(struct mlx5_ib_dev *dev, u16 opcode, u32 opt_param_mask, |
| void *qpc, struct mlx5_core_qp *qp, u32 *ece) |
| { |
| struct mbox_info mbox; |
| int err; |
| |
| err = modify_qp_mbox_alloc(dev->mdev, opcode, qp->qpn, opt_param_mask, |
| qpc, &mbox, qp->uid, (ece) ? *ece : 0); |
| if (err) |
| return err; |
| |
| err = mlx5_cmd_exec(dev->mdev, mbox.in, mbox.inlen, mbox.out, |
| mbox.outlen); |
| |
| if (ece) |
| *ece = get_ece_from_mbox(mbox.out, opcode); |
| |
| mbox_free(&mbox); |
| return err; |
| } |
| |
| int mlx5_init_qp_table(struct mlx5_ib_dev *dev) |
| { |
| struct mlx5_qp_table *table = &dev->qp_table; |
| |
| spin_lock_init(&table->lock); |
| INIT_RADIX_TREE(&table->tree, GFP_ATOMIC); |
| mlx5_qp_debugfs_init(dev->mdev); |
| |
| table->nb.notifier_call = rsc_event_notifier; |
| mlx5_notifier_register(dev->mdev, &table->nb); |
| |
| return 0; |
| } |
| |
| void mlx5_cleanup_qp_table(struct mlx5_ib_dev *dev) |
| { |
| struct mlx5_qp_table *table = &dev->qp_table; |
| |
| mlx5_notifier_unregister(dev->mdev, &table->nb); |
| mlx5_qp_debugfs_cleanup(dev->mdev); |
| } |
| |
| int mlx5_core_qp_query(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp, |
| u32 *out, int outlen) |
| { |
| u32 in[MLX5_ST_SZ_DW(query_qp_in)] = {}; |
| |
| MLX5_SET(query_qp_in, in, opcode, MLX5_CMD_OP_QUERY_QP); |
| MLX5_SET(query_qp_in, in, qpn, qp->qpn); |
| return mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, outlen); |
| } |
| |
| int mlx5_core_dct_query(struct mlx5_ib_dev *dev, struct mlx5_core_dct *dct, |
| u32 *out, int outlen) |
| { |
| u32 in[MLX5_ST_SZ_DW(query_dct_in)] = {}; |
| struct mlx5_core_qp *qp = &dct->mqp; |
| |
| MLX5_SET(query_dct_in, in, opcode, MLX5_CMD_OP_QUERY_DCT); |
| MLX5_SET(query_dct_in, in, dctn, qp->qpn); |
| |
| return mlx5_cmd_exec(dev->mdev, (void *)&in, sizeof(in), (void *)out, |
| outlen); |
| } |
| |
| int mlx5_core_xrcd_alloc(struct mlx5_ib_dev *dev, u32 *xrcdn) |
| { |
| u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {}; |
| u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {}; |
| int err; |
| |
| MLX5_SET(alloc_xrcd_in, in, opcode, MLX5_CMD_OP_ALLOC_XRCD); |
| err = mlx5_cmd_exec_inout(dev->mdev, alloc_xrcd, in, out); |
| if (!err) |
| *xrcdn = MLX5_GET(alloc_xrcd_out, out, xrcd); |
| return err; |
| } |
| |
| int mlx5_core_xrcd_dealloc(struct mlx5_ib_dev *dev, u32 xrcdn) |
| { |
| u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {}; |
| |
| MLX5_SET(dealloc_xrcd_in, in, opcode, MLX5_CMD_OP_DEALLOC_XRCD); |
| MLX5_SET(dealloc_xrcd_in, in, xrcd, xrcdn); |
| return mlx5_cmd_exec_in(dev->mdev, dealloc_xrcd, in); |
| } |
| |
| static void destroy_rq_tracked(struct mlx5_ib_dev *dev, u32 rqn, u16 uid) |
| { |
| u32 in[MLX5_ST_SZ_DW(destroy_rq_in)] = {}; |
| |
| MLX5_SET(destroy_rq_in, in, opcode, MLX5_CMD_OP_DESTROY_RQ); |
| MLX5_SET(destroy_rq_in, in, rqn, rqn); |
| MLX5_SET(destroy_rq_in, in, uid, uid); |
| mlx5_cmd_exec_in(dev->mdev, destroy_rq, in); |
| } |
| |
| int mlx5_core_create_rq_tracked(struct mlx5_ib_dev *dev, u32 *in, int inlen, |
| struct mlx5_core_qp *rq) |
| { |
| int err; |
| u32 rqn; |
| |
| err = mlx5_core_create_rq(dev->mdev, in, inlen, &rqn); |
| if (err) |
| return err; |
| |
| rq->uid = MLX5_GET(create_rq_in, in, uid); |
| rq->qpn = rqn; |
| err = create_resource_common(dev, rq, MLX5_RES_RQ); |
| if (err) |
| goto err_destroy_rq; |
| |
| return 0; |
| |
| err_destroy_rq: |
| destroy_rq_tracked(dev, rq->qpn, rq->uid); |
| |
| return err; |
| } |
| |
| int mlx5_core_destroy_rq_tracked(struct mlx5_ib_dev *dev, |
| struct mlx5_core_qp *rq) |
| { |
| destroy_resource_common(dev, rq); |
| destroy_rq_tracked(dev, rq->qpn, rq->uid); |
| return 0; |
| } |
| |
| static void destroy_sq_tracked(struct mlx5_ib_dev *dev, u32 sqn, u16 uid) |
| { |
| u32 in[MLX5_ST_SZ_DW(destroy_sq_in)] = {}; |
| |
| MLX5_SET(destroy_sq_in, in, opcode, MLX5_CMD_OP_DESTROY_SQ); |
| MLX5_SET(destroy_sq_in, in, sqn, sqn); |
| MLX5_SET(destroy_sq_in, in, uid, uid); |
| mlx5_cmd_exec_in(dev->mdev, destroy_sq, in); |
| } |
| |
| int mlx5_core_create_sq_tracked(struct mlx5_ib_dev *dev, u32 *in, int inlen, |
| struct mlx5_core_qp *sq) |
| { |
| u32 out[MLX5_ST_SZ_DW(create_sq_out)] = {}; |
| int err; |
| |
| MLX5_SET(create_sq_in, in, opcode, MLX5_CMD_OP_CREATE_SQ); |
| err = mlx5_cmd_exec(dev->mdev, in, inlen, out, sizeof(out)); |
| if (err) |
| return err; |
| |
| sq->qpn = MLX5_GET(create_sq_out, out, sqn); |
| sq->uid = MLX5_GET(create_sq_in, in, uid); |
| err = create_resource_common(dev, sq, MLX5_RES_SQ); |
| if (err) |
| goto err_destroy_sq; |
| |
| return 0; |
| |
| err_destroy_sq: |
| destroy_sq_tracked(dev, sq->qpn, sq->uid); |
| |
| return err; |
| } |
| |
| void mlx5_core_destroy_sq_tracked(struct mlx5_ib_dev *dev, |
| struct mlx5_core_qp *sq) |
| { |
| destroy_resource_common(dev, sq); |
| destroy_sq_tracked(dev, sq->qpn, sq->uid); |
| } |
| |
| struct mlx5_core_rsc_common *mlx5_core_res_hold(struct mlx5_ib_dev *dev, |
| int res_num, |
| enum mlx5_res_type res_type) |
| { |
| u32 rsn = res_num | (res_type << MLX5_USER_INDEX_LEN); |
| struct mlx5_qp_table *table = &dev->qp_table; |
| |
| return mlx5_get_rsc(table, rsn); |
| } |
| |
| void mlx5_core_res_put(struct mlx5_core_rsc_common *res) |
| { |
| mlx5_core_put_rsc(res); |
| } |