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qed: Add XRC to RoCE

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Add support for XRC-SRQ's and XRC-QP's for upper layer driver.

We maintain separate bitmaps for resource management for srq and
xrc-srq, However, the range in FW is one, The xrc-srq's are first
and then the srq's follow. Therefore we maintain a srq-id offset.

v2: perform cleanups if XRC bitmpas allocation fail.

Signed-off-by: Michal Kalderon <mkalderon@marvell.com>
Signed-off-by: Yuval Bason <ybason@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuval Basson
2020-05-19 23:51:26 +03:00
committed by David S. Miller
parent b8204ad878
commit 7bfb399eca
4 changed files with 194 additions and 18 deletions
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19
include/linux/qed/qed_rdma_if.h
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@@ -53,6 +53,13 @@ enum qed_roce_qp_state {
QED_ROCE_QP_STATE_SQE
};
enum qed_rdma_qp_type {
QED_RDMA_QP_TYPE_RC,
QED_RDMA_QP_TYPE_XRC_INI,
QED_RDMA_QP_TYPE_XRC_TGT,
QED_RDMA_QP_TYPE_INVAL = 0xffff,
};
enum qed_rdma_tid_type {
QED_RDMA_TID_REGISTERED_MR,
QED_RDMA_TID_FMR,
@@ -291,6 +298,12 @@ struct qed_rdma_create_srq_in_params {
u16 num_pages;
u16 pd_id;
u16 page_size;
/* XRC related only */
bool reserved_key_en;
bool is_xrc;
u32 cq_cid;
u16 xrcd_id;
};
struct qed_rdma_destroy_cq_in_params {
@@ -319,7 +332,9 @@ struct qed_rdma_create_qp_in_params {
u16 rq_num_pages;
u64 rq_pbl_ptr;
u16 srq_id;
u16 xrcd_id;
u8 stats_queue;
enum qed_rdma_qp_type qp_type;
};
struct qed_rdma_create_qp_out_params {
@@ -429,11 +444,13 @@ struct qed_rdma_create_srq_out_params {
struct qed_rdma_destroy_srq_in_params {
u16 srq_id;
bool is_xrc;
};
struct qed_rdma_modify_srq_in_params {
u32 wqe_limit;
u16 srq_id;
bool is_xrc;
};
struct qed_rdma_stats_out_params {
@@ -611,6 +628,8 @@ struct qed_rdma_ops {
int (*rdma_set_rdma_int)(struct qed_dev *cdev, u16 cnt);
int (*rdma_alloc_pd)(void *rdma_cxt, u16 *pd);
void (*rdma_dealloc_pd)(void *rdma_cxt, u16 pd);
int (*rdma_alloc_xrcd)(void *rdma_cxt, u16 *xrcd);
void (*rdma_dealloc_xrcd)(void *rdma_cxt, u16 xrcd);
int (*rdma_create_cq)(void *rdma_cxt,
struct qed_rdma_create_cq_in_params *params,
u16 *icid);