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net: mana: Export Work Queue functions for use by RDMA driver 

RDMA device may need to create Ethernet device queues for use by Queue
Pair type RAW. This allows a user-mode context accesses Ethernet hardware
queues. Export the supporting functions for use by the RDMA driver.

Reviewed-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Long Li <longli@microsoft.com>
Link: https://lore.kernel.org/r/1667502990-2559-6-git-send-email-longli@linuxonhyperv.com
Acked-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
This commit is contained in:
Long Li 2022-11-03 12:16:23 -07:00 committed by Leon Romanovsky
parent 6fe254160b
commit 4c0ff7a106
3 changed files with 19 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/ethernet/microsoft/mana/gdma_main.c
View File

@ -152,6 +152,7 @@ int mana_gd_send_request(struct gdma_context *gc, u32 req_len, const void *req,
return mana_hwc_send_request(hwc, req_len, req, resp_len, resp);
}
EXPORT_SYMBOL_NS(mana_gd_send_request, NET_MANA);
int mana_gd_alloc_memory(struct gdma_context *gc, unsigned int length,
struct gdma_mem_info *gmi)

9
drivers/net/ethernet/microsoft/mana/mana.h
View File

@ -635,6 +635,15 @@ struct mana_tx_package {
struct gdma_posted_wqe_info wqe_info;
};
int mana_create_wq_obj(struct mana_port_context *apc,
mana_handle_t vport,
u32 wq_type, struct mana_obj_spec *wq_spec,
struct mana_obj_spec *cq_spec,
mana_handle_t *wq_obj);
void mana_destroy_wq_obj(struct mana_port_context *apc, u32 wq_type,
mana_handle_t wq_obj);
int mana_cfg_vport(struct mana_port_context *apc, u32 protection_dom_id,
u32 doorbell_pg_id);
void mana_uncfg_vport(struct mana_port_context *apc);

16
drivers/net/ethernet/microsoft/mana/mana_en.c
View File

@ -792,11 +792,11 @@ out:
return err;
}
static int mana_create_wq_obj(struct mana_port_context *apc,
mana_handle_t vport,
u32 wq_type, struct mana_obj_spec *wq_spec,
struct mana_obj_spec *cq_spec,
mana_handle_t *wq_obj)
int mana_create_wq_obj(struct mana_port_context *apc,
mana_handle_t vport,
u32 wq_type, struct mana_obj_spec *wq_spec,
struct mana_obj_spec *cq_spec,
mana_handle_t *wq_obj)
{
struct mana_create_wqobj_resp resp = {};
struct mana_create_wqobj_req req = {};
@ -845,9 +845,10 @@ static int mana_create_wq_obj(struct mana_port_context *apc,
out:
return err;
}
EXPORT_SYMBOL_NS(mana_create_wq_obj, NET_MANA);
static void mana_destroy_wq_obj(struct mana_port_context *apc, u32 wq_type,
mana_handle_t wq_obj)
void mana_destroy_wq_obj(struct mana_port_context *apc, u32 wq_type,
mana_handle_t wq_obj)
{
struct mana_destroy_wqobj_resp resp = {};
struct mana_destroy_wqobj_req req = {};
@ -872,6 +873,7 @@ static void mana_destroy_wq_obj(struct mana_port_context *apc, u32 wq_type,
netdev_err(ndev, "Failed to destroy WQ object: %d, 0x%x\n", err,
resp.hdr.status);
}
EXPORT_SYMBOL_NS(mana_destroy_wq_obj, NET_MANA);
static void mana_destroy_eq(struct mana_context *ac)
{