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net/mlx5: support device removed query on Windows

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This commit implements mlx5_is_removed() API. A new glue call
'init_shutdown_event' is added to support the new API.

Signed-off-by: Tal Shnaiderman <talshn@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
This commit is contained in:
Tal Shnaiderman 2020-12-28 14:32:41 +02:00 committed by Ferruh Yigit
parent 49c797f8ab
commit 165e5d07ce
4 changed files with 43 additions and 1 deletions
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21
drivers/common/mlx5/windows/mlx5_glue.c
View File

@ -308,6 +308,26 @@ mlx5_glue_query_rt_values(void *ctx, void *devx_clock)
return 0;
}
static int
mlx5_glue_devx_init_showdown_event(void *ctx)
{
struct mlx5_context *mlx5_ctx;
int err;
if (!ctx) {
errno = EINVAL;
return errno;
}
mlx5_ctx = (struct mlx5_context *)ctx;
err = devx_query_shutdown_event(mlx5_ctx->devx_ctx,
&mlx5_ctx->shutdown_event_obj);
if (err) {
errno = err;
return errno;
}
return 0;
}
alignas(RTE_CACHE_LINE_SIZE)
const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue){
.version = MLX5_GLUE_VERSION,
@ -330,4 +350,5 @@ const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue){
.devx_fs_rule_del = mlx5_glue_devx_fs_rule_del,
.devx_query_eqn = mlx5_glue_devx_query_eqn,
.query_rt_values = mlx5_glue_query_rt_values,
.devx_init_showdown_event = mlx5_glue_devx_init_showdown_event,
};

1
drivers/common/mlx5/windows/mlx5_glue.h
View File

@ -52,6 +52,7 @@ struct mlx5_glue {
int (*devx_fs_rule_del)(void *flow);
int (*devx_query_eqn)(void *context, uint32_t cpus, uint32_t *eqn);
int (*query_rt_values)(void *ctx, void *devx_clock);
int (*devx_init_showdown_event)(void *ctx);
};
extern const struct mlx5_glue *mlx5_glue;

2
drivers/common/mlx5/windows/mlx5_win_ext.h
View File

@ -14,7 +14,7 @@ extern "C" {
typedef struct mlx5_context {
devx_device_ctx *devx_ctx;
struct devx_device mlx5_dev;
struct devx_shutdown_event shutdown_event_obj;
} mlx5_context_st;
typedef struct {

20
drivers/net/mlx5/windows/mlx5_ethdev_os.c
View File

@ -369,3 +369,23 @@ mlx5_read_clock(struct rte_eth_dev *dev, uint64_t *clock)
*clock = *(uint64_t volatile *)mlx5_clock.p_iseg_internal_timer;
return 0;
}
/**
* Check if mlx5 device was removed.
*
* @param dev
* Pointer to Ethernet device structure.
*
* @return
* 1 when device is removed, otherwise 0.
*/
int
mlx5_is_removed(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
mlx5_context_st *context_obj = (mlx5_context_st *)priv->sh->ctx;
if (*context_obj->shutdown_event_obj.p_flag)
return 1;
return 0;
}