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Commit f1093940 authored by Ram Amrani's avatar Ram Amrani Committed by David S. Miller
Browse files

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: default avatarRam Amrani <Ram.Amrani@caviumnetworks.com>
Signed-off-by: default avatarYuval Mintz <Yuval.Mintz@caviumnetworks.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c295f86e

drivers/net/ethernet/qlogic/qed/qed_cxt.h

+1 −0
Original line number Diff line number Diff line
@@ -176,6 +176,7 @@ u32 qed_cxt_get_proto_tid_count(struct qed_hwfn *p_hwfn, 
				enum protocol_type type);

u32 qed_cxt_get_proto_cid_start(struct qed_hwfn *p_hwfn,

				enum protocol_type type);

int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto);



#define QED_CTX_WORKING_MEM 0

#define QED_CTX_FL_MEM 1

drivers/net/ethernet/qlogic/qed/qed_roce.c

+1197 −0

File changed.

Preview size limit exceeded, changes collapsed.

drivers/net/ethernet/qlogic/qed/qed_roce.h

+71 −0
Original line number Diff line number Diff line
@@ -114,6 +114,72 @@ struct qed_rdma_resize_cnq_in_params { 
	u64 pbl_ptr;

};



struct qed_rdma_qp {

	struct regpair qp_handle;

	struct regpair qp_handle_async;

	u32 qpid;

	u16 icid;

	enum qed_roce_qp_state cur_state;

	bool use_srq;

	bool signal_all;

	bool fmr_and_reserved_lkey;



	bool incoming_rdma_read_en;

	bool incoming_rdma_write_en;

	bool incoming_atomic_en;

	bool e2e_flow_control_en;



	u16 pd;

	u16 pkey;

	u32 dest_qp;

	u16 mtu;

	u16 srq_id;

	u8 traffic_class_tos;

	u8 hop_limit_ttl;

	u16 dpi;

	u32 flow_label;

	bool lb_indication;

	u16 vlan_id;

	u32 ack_timeout;

	u8 retry_cnt;

	u8 rnr_retry_cnt;

	u8 min_rnr_nak_timer;

	bool sqd_async;

	union qed_gid sgid;

	union qed_gid dgid;

	enum roce_mode roce_mode;

	u16 udp_src_port;

	u8 stats_queue;



	/* requeseter */

	u8 max_rd_atomic_req;

	u32 sq_psn;

	u16 sq_cq_id;

	u16 sq_num_pages;

	dma_addr_t sq_pbl_ptr;

	void *orq;

	dma_addr_t orq_phys_addr;

	u8 orq_num_pages;

	bool req_offloaded;



	/* responder */

	u8 max_rd_atomic_resp;

	u32 rq_psn;

	u16 rq_cq_id;

	u16 rq_num_pages;

	dma_addr_t rq_pbl_ptr;

	void *irq;

	dma_addr_t irq_phys_addr;

	u8 irq_num_pages;

	bool resp_offloaded;



	u8 remote_mac_addr[6];

	u8 local_mac_addr[6];



	void *shared_queue;

	dma_addr_t shared_queue_phys_addr;

};



int

qed_rdma_add_user(void *rdma_cxt,

		  struct qed_rdma_add_user_out_params *out_params);
@@ -135,6 +201,11 @@ void qed_rdma_cnq_prod_update(void *rdma_cxt, u8 cnq_index, u16 prod); 
void qed_rdma_resc_free(struct qed_hwfn *p_hwfn);

void qed_async_roce_event(struct qed_hwfn *p_hwfn,

			  struct event_ring_entry *p_eqe);

int qed_rdma_destroy_qp(void *rdma_cxt, struct qed_rdma_qp *qp);

int qed_rdma_modify_qp(void *rdma_cxt, struct qed_rdma_qp *qp,

		       struct qed_rdma_modify_qp_in_params *params);

int qed_rdma_query_qp(void *rdma_cxt, struct qed_rdma_qp *qp,

		      struct qed_rdma_query_qp_out_params *out_params);



#if IS_ENABLED(CONFIG_INFINIBAND_QEDR)

void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);

include/linux/qed/qed_roce_if.h

+144 −0
Original line number Diff line number Diff line
@@ -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);