#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 && !common->invalid)
refcount_inc(&common->refcount);
else
common = NULL;
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 dct_event_notifier(struct mlx5_ib_dev *dev, struct mlx5_eqe *eqe)
{
struct mlx5_core_dct *dct;
unsigned long flags;
u32 qpn;
qpn = be32_to_cpu(eqe->data.dct.dctn) & 0xFFFFFF;
xa_lock_irqsave(&dev->qp_table.dct_xa, flags);
dct = xa_load(&dev->qp_table.dct_xa, qpn);
if (dct)
complete(&dct->drained);
xa_unlock_irqrestore(&dev->qp_table.dct_xa, flags);
return NOTIFY_OK;
}
static int rsc_event_notifier(struct notifier_block *nb,
unsigned long type, void *data)
{
struct mlx5_ib_dev *dev =
container_of(nb, struct mlx5_ib_dev, qp_table.nb);
struct mlx5_core_rsc_common *common;
struct mlx5_eqe *eqe = data;
u8 event_type = (u8)type;
struct mlx5_core_qp *qp;
u32 rsn;
switch (event_type) {
case MLX5_EVENT_TYPE_DCT_DRAINED:
return dct_event_notifier(dev, eqe);
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:
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;
}
common = mlx5_get_rsc(&dev->qp_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);
return NOTIFY_OK;
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 modify_resource_common_state(struct mlx5_ib_dev *dev,
struct mlx5_core_qp *qp,
bool invalid)
{
struct mlx5_qp_table *table = &dev->qp_table;
unsigned long flags;
spin_lock_irqsave(&table->lock, flags);
qp->common.invalid = invalid;
spin_unlock_irqrestore(&table->lock, flags);
}
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)
{
u32 in[MLX5_ST_SZ_DW(destroy_dct_in)] = {};
struct mlx5_core_qp *qp = &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);
return mlx5_cmd_exec_in(dev->mdev, destroy_dct, in);
}
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_do(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 = xa_err(xa_store_irq(&dev->qp_table.dct_xa, qp->qpn, dct, GFP_KERNEL));
if (err)
goto err_cmd;
return 0;
err_cmd:
_mlx5_core_destroy_dct(dev, dct);
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;
if (dev->ib_dev.type != RDMA_DEVICE_TYPE_SMI)
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)
{
struct mlx5_qp_table *table = &dev->qp_table;
struct mlx5_core_dct *tmp;
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:
tmp = xa_cmpxchg_irq(&table->dct_xa, dct->mqp.qpn, dct, XA_ZERO_ENTRY, GFP_KERNEL);
if (WARN_ON(tmp != dct))
return xa_err(tmp) ?: -EINVAL;
err = _mlx5_core_destroy_dct(dev, dct);
if (err) {
xa_cmpxchg_irq(&table->dct_xa, dct->mqp.qpn, XA_ZERO_ENTRY, dct, 0);
return err;
}
xa_erase_irq(&table->dct_xa, dct->mqp.qpn);
return 0;
}
int mlx5_core_destroy_qp(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp)
{
u32 in[MLX5_ST_SZ_DW(destroy_qp_in)] = {};
if (dev->ib_dev.type != RDMA_DEVICE_TYPE_SMI)
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);
return mlx5_cmd_exec_in(dev->mdev, destroy_qp, in);
}
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) {
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;
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_SQD_RTS_QP:
if (MBOX_ALLOC(mbox, sqd2rts_qp))
return -ENOMEM;
MOD_QP_IN_SET_QPC(sqd2rts_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);
xa_init(&table->dct_xa);
if (dev->ib_dev.type != RDMA_DEVICE_TYPE_SMI)
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);
if (dev->ib_dev.type != RDMA_DEVICE_TYPE_SMI)
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, bool qpc_ext)
{
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);
MLX5_SET(query_qp_in, in, qpc_ext, qpc_ext);
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 int 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);
return 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)
{
int ret;
modify_resource_common_state(dev, rq, true);
ret = destroy_rq_tracked(dev, rq->qpn, rq->uid);
if (ret) {
modify_resource_common_state(dev, rq, false);
return ret;
}
destroy_resource_common(dev, rq);
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);
}
