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authorRam Amrani <Ram.Amrani@caviumnetworks.com>2016-10-01 21:59:59 +0300
committerDavid S. Miller <davem@davemloft.net>2016-10-04 06:22:47 +0300
commitf109394033521862f2558df93d9afc4dfa829c6a (patch)
tree4c98136fdf25c4beb46face0f703fcfd18c88911 /include
parentc295f86e60f5ba67f0f4bba2bb2c22b3cbf01ec1 (diff)
downloadlinux-f109394033521862f2558df93d9afc4dfa829c6a.tar.xz
qed: Add support for QP verbs
Add support for the slowpath configurations of Queue Pair verbs which adds, deletes, modifies and queries Queue Pairs. Signed-off-by: Ram Amrani <Ram.Amrani@caviumnetworks.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/qed/qed_roce_if.h144
1 files changed, 144 insertions, 0 deletions
diff --git a/include/linux/qed/qed_roce_if.h b/include/linux/qed/qed_roce_if.h
index b559b1c9e76d..02321e3b1716 100644
--- a/include/linux/qed/qed_roce_if.h
+++ b/include/linux/qed/qed_roce_if.h
@@ -43,6 +43,17 @@
#define QED_RDMA_MAX_CNQ_SIZE (0xFFFF)
/* rdma interface */
+
+enum qed_roce_qp_state {
+ QED_ROCE_QP_STATE_RESET,
+ QED_ROCE_QP_STATE_INIT,
+ QED_ROCE_QP_STATE_RTR,
+ QED_ROCE_QP_STATE_RTS,
+ QED_ROCE_QP_STATE_SQD,
+ QED_ROCE_QP_STATE_ERR,
+ QED_ROCE_QP_STATE_SQE
+};
+
enum qed_rdma_tid_type {
QED_RDMA_TID_REGISTERED_MR,
QED_RDMA_TID_FMR,
@@ -292,6 +303,128 @@ struct qed_rdma_destroy_cq_out_params {
u16 num_cq_notif;
};
+struct qed_rdma_create_qp_in_params {
+ u32 qp_handle_lo;
+ u32 qp_handle_hi;
+ u32 qp_handle_async_lo;
+ u32 qp_handle_async_hi;
+ bool use_srq;
+ bool signal_all;
+ bool fmr_and_reserved_lkey;
+ u16 pd;
+ u16 dpi;
+ u16 sq_cq_id;
+ u16 sq_num_pages;
+ u64 sq_pbl_ptr;
+ u8 max_sq_sges;
+ u16 rq_cq_id;
+ u16 rq_num_pages;
+ u64 rq_pbl_ptr;
+ u16 srq_id;
+ u8 stats_queue;
+};
+
+struct qed_rdma_create_qp_out_params {
+ u32 qp_id;
+ u16 icid;
+ void *rq_pbl_virt;
+ dma_addr_t rq_pbl_phys;
+ void *sq_pbl_virt;
+ dma_addr_t sq_pbl_phys;
+};
+
+struct qed_rdma_modify_qp_in_params {
+ u32 modify_flags;
+#define QED_RDMA_MODIFY_QP_VALID_NEW_STATE_MASK 0x1
+#define QED_RDMA_MODIFY_QP_VALID_NEW_STATE_SHIFT 0
+#define QED_ROCE_MODIFY_QP_VALID_PKEY_MASK 0x1
+#define QED_ROCE_MODIFY_QP_VALID_PKEY_SHIFT 1
+#define QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN_MASK 0x1
+#define QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN_SHIFT 2
+#define QED_ROCE_MODIFY_QP_VALID_DEST_QP_MASK 0x1
+#define QED_ROCE_MODIFY_QP_VALID_DEST_QP_SHIFT 3
+#define QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR_MASK 0x1
+#define QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR_SHIFT 4
+#define QED_ROCE_MODIFY_QP_VALID_RQ_PSN_MASK 0x1
+#define QED_ROCE_MODIFY_QP_VALID_RQ_PSN_SHIFT 5
+#define QED_ROCE_MODIFY_QP_VALID_SQ_PSN_MASK 0x1
+#define QED_ROCE_MODIFY_QP_VALID_SQ_PSN_SHIFT 6
+#define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ_MASK 0x1
+#define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ_SHIFT 7
+#define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP_MASK 0x1
+#define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP_SHIFT 8
+#define QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT_MASK 0x1
+#define QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT_SHIFT 9
+#define QED_ROCE_MODIFY_QP_VALID_RETRY_CNT_MASK 0x1
+#define QED_ROCE_MODIFY_QP_VALID_RETRY_CNT_SHIFT 10
+#define QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT_MASK 0x1
+#define QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT_SHIFT 11
+#define QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER_MASK 0x1
+#define QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER_SHIFT 12
+#define QED_ROCE_MODIFY_QP_VALID_E2E_FLOW_CONTROL_EN_MASK 0x1
+#define QED_ROCE_MODIFY_QP_VALID_E2E_FLOW_CONTROL_EN_SHIFT 13
+#define QED_ROCE_MODIFY_QP_VALID_ROCE_MODE_MASK 0x1
+#define QED_ROCE_MODIFY_QP_VALID_ROCE_MODE_SHIFT 14
+
+ enum qed_roce_qp_state new_state;
+ u16 pkey;
+ bool incoming_rdma_read_en;
+ bool incoming_rdma_write_en;
+ bool incoming_atomic_en;
+ bool e2e_flow_control_en;
+ u32 dest_qp;
+ bool lb_indication;
+ u16 mtu;
+ u8 traffic_class_tos;
+ u8 hop_limit_ttl;
+ u32 flow_label;
+ union qed_gid sgid;
+ union qed_gid dgid;
+ u16 udp_src_port;
+
+ u16 vlan_id;
+
+ u32 rq_psn;
+ u32 sq_psn;
+ u8 max_rd_atomic_resp;
+ u8 max_rd_atomic_req;
+ u32 ack_timeout;
+ u8 retry_cnt;
+ u8 rnr_retry_cnt;
+ u8 min_rnr_nak_timer;
+ bool sqd_async;
+ u8 remote_mac_addr[6];
+ u8 local_mac_addr[6];
+ bool use_local_mac;
+ enum roce_mode roce_mode;
+};
+
+struct qed_rdma_query_qp_out_params {
+ enum qed_roce_qp_state state;
+ u32 rq_psn;
+ u32 sq_psn;
+ bool draining;
+ u16 mtu;
+ u32 dest_qp;
+ bool incoming_rdma_read_en;
+ bool incoming_rdma_write_en;
+ bool incoming_atomic_en;
+ bool e2e_flow_control_en;
+ union qed_gid sgid;
+ union qed_gid dgid;
+ u32 flow_label;
+ u8 hop_limit_ttl;
+ u8 traffic_class_tos;
+ u32 timeout;
+ u8 rnr_retry;
+ u8 retry_cnt;
+ u8 min_rnr_nak_timer;
+ u16 pkey_index;
+ u8 max_rd_atomic;
+ u8 max_dest_rd_atomic;
+ bool sqd_async;
+};
+
struct qed_rdma_create_srq_out_params {
u16 srq_id;
};
@@ -368,6 +501,17 @@ struct qed_rdma_ops {
int (*rdma_destroy_cq)(void *rdma_cxt,
struct qed_rdma_destroy_cq_in_params *iparams,
struct qed_rdma_destroy_cq_out_params *oparams);
+ struct qed_rdma_qp *
+ (*rdma_create_qp)(void *rdma_cxt,
+ struct qed_rdma_create_qp_in_params *iparams,
+ struct qed_rdma_create_qp_out_params *oparams);
+
+ int (*rdma_modify_qp)(void *roce_cxt, struct qed_rdma_qp *qp,
+ struct qed_rdma_modify_qp_in_params *iparams);
+
+ int (*rdma_query_qp)(void *rdma_cxt, struct qed_rdma_qp *qp,
+ struct qed_rdma_query_qp_out_params *oparams);
+ int (*rdma_destroy_qp)(void *rdma_cxt, struct qed_rdma_qp *qp);
};
const struct qed_rdma_ops *qed_get_rdma_ops(void);