blob: 388f205a497f0ba703c26b73ea05be1b591ad7b7 [file] [log] [blame]
/*
* Copyright (c) 2013-2015, Mellanox Technologies. 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.
*/
#include <linux/gfp.h>
#include <linux/export.h>
#include <linux/mlx5/cmd.h>
#include <linux/mlx5/qp.h>
#include <linux/mlx5/driver.h>
#include <linux/mlx5/transobj.h>
#include "mlx5_core.h"
#include "lib/eq.h"
static struct mlx5_core_rsc_common *
mlx5_get_rsc(struct mlx5_qp_table *table, u32 rsn)
{
struct mlx5_core_rsc_common *common;
spin_lock(&table->lock);
common = radix_tree_lookup(&table->tree, rsn);
if (common)
atomic_inc(&common->refcount);
spin_unlock(&table->lock);
return common;
}
void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common)
{
if (atomic_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_dev *dev;
struct mlx5_core_dct *dct;
u8 event_type = (u8)type;
struct mlx5_core_qp *qp;
struct mlx5_priv *priv;
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);
priv = container_of(table, struct mlx5_priv, qp_table);
dev = container_of(priv, struct mlx5_core_dev, priv);
mlx5_core_dbg(dev, "event (%d) arrived on resource 0x%x\n", eqe->type, rsn);
common = mlx5_get_rsc(table, rsn);
if (!common) {
mlx5_core_warn(dev, "Async event for bogus resource 0x%x\n", rsn);
return NOTIFY_OK;
}
if (!is_event_type_allowed((rsn >> MLX5_USER_INDEX_LEN), event_type)) {
mlx5_core_warn(dev, "event 0x%.2x is not allowed on resource 0x%.8x\n",
event_type, rsn);
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:
mlx5_core_warn(dev, "invalid resource type for 0x%x\n", rsn);
}
out:
mlx5_core_put_rsc(common);
return NOTIFY_OK;
}
static int create_resource_common(struct mlx5_core_dev *dev,
struct mlx5_core_qp *qp,
int rsc_type)
{
struct mlx5_qp_table *table = &dev->priv.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;
atomic_set(&qp->common.refcount, 1);
init_completion(&qp->common.free);
qp->pid = current->pid;
return 0;
}
static void destroy_resource_common(struct mlx5_core_dev *dev,
struct mlx5_core_qp *qp)
{
struct mlx5_qp_table *table = &dev->priv.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);
}
int mlx5_core_create_dct(struct mlx5_core_dev *dev,
struct mlx5_core_dct *dct,
u32 *in, int inlen)
{
u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {0};
u32 din[MLX5_ST_SZ_DW(destroy_dct_in)] = {0};
u32 dout[MLX5_ST_SZ_DW(destroy_dct_out)] = {0};
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, in, inlen, &out, sizeof(out));
if (err) {
mlx5_core_warn(dev, "create DCT failed, ret %d\n", 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_SET(destroy_dct_in, din, opcode, MLX5_CMD_OP_DESTROY_DCT);
MLX5_SET(destroy_dct_in, din, dctn, qp->qpn);
MLX5_SET(destroy_dct_in, din, uid, qp->uid);
mlx5_cmd_exec(dev, (void *)&in, sizeof(din),
(void *)&out, sizeof(dout));
return err;
}
EXPORT_SYMBOL_GPL(mlx5_core_create_dct);
int mlx5_core_create_qp(struct mlx5_core_dev *dev,
struct mlx5_core_qp *qp,
u32 *in, int inlen)
{
u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {0};
u32 dout[MLX5_ST_SZ_DW(destroy_qp_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, in, inlen, out, sizeof(out));
if (err)
return err;
qp->uid = MLX5_GET(create_qp_in, in, uid);
qp->qpn = MLX5_GET(create_qp_out, out, qpn);
mlx5_core_dbg(dev, "qpn = 0x%x\n", qp->qpn);
err = create_resource_common(dev, qp, MLX5_RES_QP);
if (err)
goto err_cmd;
err = mlx5_debug_qp_add(dev, qp);
if (err)
mlx5_core_dbg(dev, "failed adding QP 0x%x to debug file system\n",
qp->qpn);
atomic_inc(&dev->num_qps);
return 0;
err_cmd:
memset(din, 0, sizeof(din));
memset(dout, 0, sizeof(dout));
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(dev, din, sizeof(din), dout, sizeof(dout));
return err;
}
EXPORT_SYMBOL_GPL(mlx5_core_create_qp);
static int mlx5_core_drain_dct(struct mlx5_core_dev *dev,
struct mlx5_core_dct *dct)
{
u32 out[MLX5_ST_SZ_DW(drain_dct_out)] = {0};
u32 in[MLX5_ST_SZ_DW(drain_dct_in)] = {0};
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(dev, (void *)&in, sizeof(in),
(void *)&out, sizeof(out));
}
int mlx5_core_destroy_dct(struct mlx5_core_dev *dev,
struct mlx5_core_dct *dct)
{
u32 out[MLX5_ST_SZ_DW(destroy_dct_out)] = {0};
u32 in[MLX5_ST_SZ_DW(destroy_dct_in)] = {0};
struct mlx5_core_qp *qp = &dct->mqp;
int err;
err = mlx5_core_drain_dct(dev, dct);
if (err) {
if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) {
goto destroy;
} else {
mlx5_core_warn(dev, "failed drain DCT 0x%x with error 0x%x\n", qp->qpn, err);
return err;
}
}
wait_for_completion(&dct->drained);
destroy:
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(dev, (void *)&in, sizeof(in),
(void *)&out, sizeof(out));
return err;
}
EXPORT_SYMBOL_GPL(mlx5_core_destroy_dct);
int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
struct mlx5_core_qp *qp)
{
u32 out[MLX5_ST_SZ_DW(destroy_qp_out)] = {0};
u32 in[MLX5_ST_SZ_DW(destroy_qp_in)] = {0};
int err;
mlx5_debug_qp_remove(dev, 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);
err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
if (err)
return err;
atomic_dec(&dev->num_qps);
return 0;
}
EXPORT_SYMBOL_GPL(mlx5_core_destroy_qp);
int mlx5_core_set_delay_drop(struct mlx5_core_dev *dev,
u32 timeout_usec)
{
u32 out[MLX5_ST_SZ_DW(set_delay_drop_params_out)] = {0};
u32 in[MLX5_ST_SZ_DW(set_delay_drop_params_in)] = {0};
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(dev, in, sizeof(in), out, sizeof(out));
}
EXPORT_SYMBOL_GPL(mlx5_core_set_delay_drop);
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 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)
{
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);
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);
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);
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);
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);
break;
default:
mlx5_core_err(dev, "Unknown transition for modify QP: OP(0x%x) QPN(0x%x)\n",
opcode, qpn);
return -EINVAL;
}
return 0;
}
int mlx5_core_qp_modify(struct mlx5_core_dev *dev, u16 opcode,
u32 opt_param_mask, void *qpc,
struct mlx5_core_qp *qp)
{
struct mbox_info mbox;
int err;
err = modify_qp_mbox_alloc(dev, opcode, qp->qpn,
opt_param_mask, qpc, &mbox, qp->uid);
if (err)
return err;
err = mlx5_cmd_exec(dev, mbox.in, mbox.inlen, mbox.out, mbox.outlen);
mbox_free(&mbox);
return err;
}
EXPORT_SYMBOL_GPL(mlx5_core_qp_modify);
void mlx5_init_qp_table(struct mlx5_core_dev *dev)
{
struct mlx5_qp_table *table = &dev->priv.qp_table;
memset(table, 0, sizeof(*table));
spin_lock_init(&table->lock);
INIT_RADIX_TREE(&table->tree, GFP_ATOMIC);
mlx5_qp_debugfs_init(dev);
table->nb.notifier_call = rsc_event_notifier;
mlx5_notifier_register(dev, &table->nb);
}
void mlx5_cleanup_qp_table(struct mlx5_core_dev *dev)
{
struct mlx5_qp_table *table = &dev->priv.qp_table;
mlx5_notifier_unregister(dev, &table->nb);
mlx5_qp_debugfs_cleanup(dev);
}
int mlx5_core_qp_query(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
u32 *out, int outlen)
{
u32 in[MLX5_ST_SZ_DW(query_qp_in)] = {0};
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, in, sizeof(in), out, outlen);
}
EXPORT_SYMBOL_GPL(mlx5_core_qp_query);
int mlx5_core_dct_query(struct mlx5_core_dev *dev, struct mlx5_core_dct *dct,
u32 *out, int outlen)
{
u32 in[MLX5_ST_SZ_DW(query_dct_in)] = {0};
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, (void *)&in, sizeof(in),
(void *)out, outlen);
}
EXPORT_SYMBOL_GPL(mlx5_core_dct_query);
int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn)
{
u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {0};
u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {0};
int err;
MLX5_SET(alloc_xrcd_in, in, opcode, MLX5_CMD_OP_ALLOC_XRCD);
err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
if (!err)
*xrcdn = MLX5_GET(alloc_xrcd_out, out, xrcd);
return err;
}
EXPORT_SYMBOL_GPL(mlx5_core_xrcd_alloc);
int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn)
{
u32 out[MLX5_ST_SZ_DW(dealloc_xrcd_out)] = {0};
u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {0};
MLX5_SET(dealloc_xrcd_in, in, opcode, MLX5_CMD_OP_DEALLOC_XRCD);
MLX5_SET(dealloc_xrcd_in, in, xrcd, xrcdn);
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
EXPORT_SYMBOL_GPL(mlx5_core_xrcd_dealloc);
static void destroy_rq_tracked(struct mlx5_core_dev *dev, u32 rqn, u16 uid)
{
u32 in[MLX5_ST_SZ_DW(destroy_rq_in)] = {};
u32 out[MLX5_ST_SZ_DW(destroy_rq_out)] = {};
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(dev, in, sizeof(in), out, sizeof(out));
}
int mlx5_core_create_rq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
struct mlx5_core_qp *rq)
{
int err;
u32 rqn;
err = mlx5_core_create_rq(dev, 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;
}
EXPORT_SYMBOL(mlx5_core_create_rq_tracked);
void mlx5_core_destroy_rq_tracked(struct mlx5_core_dev *dev,
struct mlx5_core_qp *rq)
{
destroy_resource_common(dev, rq);
destroy_rq_tracked(dev, rq->qpn, rq->uid);
}
EXPORT_SYMBOL(mlx5_core_destroy_rq_tracked);
static void destroy_sq_tracked(struct mlx5_core_dev *dev, u32 sqn, u16 uid)
{
u32 in[MLX5_ST_SZ_DW(destroy_sq_in)] = {};
u32 out[MLX5_ST_SZ_DW(destroy_sq_out)] = {};
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(dev, in, sizeof(in), out, sizeof(out));
}
int mlx5_core_create_sq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
struct mlx5_core_qp *sq)
{
int err;
u32 sqn;
err = mlx5_core_create_sq(dev, in, inlen, &sqn);
if (err)
return err;
sq->uid = MLX5_GET(create_sq_in, in, uid);
sq->qpn = sqn;
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;
}
EXPORT_SYMBOL(mlx5_core_create_sq_tracked);
void mlx5_core_destroy_sq_tracked(struct mlx5_core_dev *dev,
struct mlx5_core_qp *sq)
{
destroy_resource_common(dev, sq);
destroy_sq_tracked(dev, sq->qpn, sq->uid);
}
EXPORT_SYMBOL(mlx5_core_destroy_sq_tracked);
int mlx5_core_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id)
{
u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)] = {0};
u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {0};
int err;
MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
if (!err)
*counter_id = MLX5_GET(alloc_q_counter_out, out,
counter_set_id);
return err;
}
EXPORT_SYMBOL_GPL(mlx5_core_alloc_q_counter);
int mlx5_core_dealloc_q_counter(struct mlx5_core_dev *dev, u16 counter_id)
{
u32 in[MLX5_ST_SZ_DW(dealloc_q_counter_in)] = {0};
u32 out[MLX5_ST_SZ_DW(dealloc_q_counter_out)] = {0};
MLX5_SET(dealloc_q_counter_in, in, opcode,
MLX5_CMD_OP_DEALLOC_Q_COUNTER);
MLX5_SET(dealloc_q_counter_in, in, counter_set_id, counter_id);
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
EXPORT_SYMBOL_GPL(mlx5_core_dealloc_q_counter);
int mlx5_core_query_q_counter(struct mlx5_core_dev *dev, u16 counter_id,
int reset, void *out, int out_size)
{
u32 in[MLX5_ST_SZ_DW(query_q_counter_in)] = {0};
MLX5_SET(query_q_counter_in, in, opcode, MLX5_CMD_OP_QUERY_Q_COUNTER);
MLX5_SET(query_q_counter_in, in, clear, reset);
MLX5_SET(query_q_counter_in, in, counter_set_id, counter_id);
return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size);
}
EXPORT_SYMBOL_GPL(mlx5_core_query_q_counter);
struct mlx5_core_rsc_common *mlx5_core_res_hold(struct mlx5_core_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->priv.qp_table;
return mlx5_get_rsc(table, rsn);
}
EXPORT_SYMBOL_GPL(mlx5_core_res_hold);
void mlx5_core_res_put(struct mlx5_core_rsc_common *res)
{
mlx5_core_put_rsc(res);
}
EXPORT_SYMBOL_GPL(mlx5_core_res_put);