613 lines
17 KiB
C
613 lines
17 KiB
C
/*
|
|
* Broadcom NetXtreme-E RoCE driver.
|
|
*
|
|
* Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term
|
|
* Broadcom refers to Broadcom Limited and/or its subsidiaries.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the
|
|
* BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
|
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
|
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
|
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* Description: Fast Path Operators (header)
|
|
*/
|
|
|
|
#ifndef __BNXT_QPLIB_FP_H__
|
|
#define __BNXT_QPLIB_FP_H__
|
|
|
|
#include <rdma/bnxt_re-abi.h>
|
|
|
|
/* Few helper structures temporarily defined here
|
|
* should get rid of these when roce_hsi.h is updated
|
|
* in original code base
|
|
*/
|
|
struct sq_ud_ext_hdr {
|
|
__le32 dst_qp;
|
|
__le32 avid;
|
|
__le64 rsvd;
|
|
};
|
|
|
|
struct sq_raw_ext_hdr {
|
|
__le32 cfa_meta;
|
|
__le32 rsvd0;
|
|
__le64 rsvd1;
|
|
};
|
|
|
|
struct sq_rdma_ext_hdr {
|
|
__le64 remote_va;
|
|
__le32 remote_key;
|
|
__le32 rsvd;
|
|
};
|
|
|
|
struct sq_atomic_ext_hdr {
|
|
__le64 swap_data;
|
|
__le64 cmp_data;
|
|
};
|
|
|
|
struct sq_fr_pmr_ext_hdr {
|
|
__le64 pblptr;
|
|
__le64 va;
|
|
};
|
|
|
|
struct sq_bind_ext_hdr {
|
|
__le64 va;
|
|
__le32 length_lo;
|
|
__le32 length_hi;
|
|
};
|
|
|
|
struct rq_ext_hdr {
|
|
__le64 rsvd1;
|
|
__le64 rsvd2;
|
|
};
|
|
|
|
/* Helper structures end */
|
|
|
|
struct bnxt_qplib_srq {
|
|
struct bnxt_qplib_pd *pd;
|
|
struct bnxt_qplib_dpi *dpi;
|
|
struct bnxt_qplib_db_info dbinfo;
|
|
u64 srq_handle;
|
|
u32 id;
|
|
u16 wqe_size;
|
|
u32 max_wqe;
|
|
u32 max_sge;
|
|
u32 threshold;
|
|
bool arm_req;
|
|
struct bnxt_qplib_cq *cq;
|
|
struct bnxt_qplib_hwq hwq;
|
|
struct bnxt_qplib_swq *swq;
|
|
int start_idx;
|
|
int last_idx;
|
|
struct bnxt_qplib_sg_info sg_info;
|
|
u16 eventq_hw_ring_id;
|
|
spinlock_t lock; /* protect SRQE link list */
|
|
};
|
|
|
|
struct bnxt_qplib_sge {
|
|
u64 addr;
|
|
u32 lkey;
|
|
u32 size;
|
|
};
|
|
|
|
#define BNXT_QPLIB_QP_MAX_SGL 6
|
|
struct bnxt_qplib_swq {
|
|
u64 wr_id;
|
|
int next_idx;
|
|
u8 type;
|
|
u8 flags;
|
|
u32 start_psn;
|
|
u32 next_psn;
|
|
u32 slot_idx;
|
|
u8 slots;
|
|
struct sq_psn_search *psn_search;
|
|
struct sq_psn_search_ext *psn_ext;
|
|
};
|
|
|
|
struct bnxt_qplib_swqe {
|
|
/* General */
|
|
#define BNXT_QPLIB_FENCE_WRID 0x46454E43 /* "FENC" */
|
|
u64 wr_id;
|
|
u8 reqs_type;
|
|
u8 type;
|
|
#define BNXT_QPLIB_SWQE_TYPE_SEND 0
|
|
#define BNXT_QPLIB_SWQE_TYPE_SEND_WITH_IMM 1
|
|
#define BNXT_QPLIB_SWQE_TYPE_SEND_WITH_INV 2
|
|
#define BNXT_QPLIB_SWQE_TYPE_RDMA_WRITE 4
|
|
#define BNXT_QPLIB_SWQE_TYPE_RDMA_WRITE_WITH_IMM 5
|
|
#define BNXT_QPLIB_SWQE_TYPE_RDMA_READ 6
|
|
#define BNXT_QPLIB_SWQE_TYPE_ATOMIC_CMP_AND_SWP 8
|
|
#define BNXT_QPLIB_SWQE_TYPE_ATOMIC_FETCH_AND_ADD 11
|
|
#define BNXT_QPLIB_SWQE_TYPE_LOCAL_INV 12
|
|
#define BNXT_QPLIB_SWQE_TYPE_FAST_REG_MR 13
|
|
#define BNXT_QPLIB_SWQE_TYPE_REG_MR 13
|
|
#define BNXT_QPLIB_SWQE_TYPE_BIND_MW 14
|
|
#define BNXT_QPLIB_SWQE_TYPE_RECV 128
|
|
#define BNXT_QPLIB_SWQE_TYPE_RECV_RDMA_IMM 129
|
|
u8 flags;
|
|
#define BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP BIT(0)
|
|
#define BNXT_QPLIB_SWQE_FLAGS_RD_ATOMIC_FENCE BIT(1)
|
|
#define BNXT_QPLIB_SWQE_FLAGS_UC_FENCE BIT(2)
|
|
#define BNXT_QPLIB_SWQE_FLAGS_SOLICIT_EVENT BIT(3)
|
|
#define BNXT_QPLIB_SWQE_FLAGS_INLINE BIT(4)
|
|
struct bnxt_qplib_sge sg_list[BNXT_QPLIB_QP_MAX_SGL];
|
|
int num_sge;
|
|
/* Max inline data is 96 bytes */
|
|
u32 inline_len;
|
|
#define BNXT_QPLIB_SWQE_MAX_INLINE_LENGTH 96
|
|
u8 inline_data[BNXT_QPLIB_SWQE_MAX_INLINE_LENGTH];
|
|
|
|
union {
|
|
/* Send, with imm, inval key */
|
|
struct {
|
|
union {
|
|
__be32 imm_data;
|
|
u32 inv_key;
|
|
};
|
|
u32 q_key;
|
|
u32 dst_qp;
|
|
u16 avid;
|
|
} send;
|
|
|
|
/* Send Raw Ethernet and QP1 */
|
|
struct {
|
|
u16 lflags;
|
|
u16 cfa_action;
|
|
u32 cfa_meta;
|
|
} rawqp1;
|
|
|
|
/* RDMA write, with imm, read */
|
|
struct {
|
|
union {
|
|
__be32 imm_data;
|
|
u32 inv_key;
|
|
};
|
|
u64 remote_va;
|
|
u32 r_key;
|
|
} rdma;
|
|
|
|
/* Atomic cmp/swap, fetch/add */
|
|
struct {
|
|
u64 remote_va;
|
|
u32 r_key;
|
|
u64 swap_data;
|
|
u64 cmp_data;
|
|
} atomic;
|
|
|
|
/* Local Invalidate */
|
|
struct {
|
|
u32 inv_l_key;
|
|
} local_inv;
|
|
|
|
/* FR-PMR */
|
|
struct {
|
|
u8 access_cntl;
|
|
u8 pg_sz_log;
|
|
bool zero_based;
|
|
u32 l_key;
|
|
u32 length;
|
|
u8 pbl_pg_sz_log;
|
|
#define BNXT_QPLIB_SWQE_PAGE_SIZE_4K 0
|
|
#define BNXT_QPLIB_SWQE_PAGE_SIZE_8K 1
|
|
#define BNXT_QPLIB_SWQE_PAGE_SIZE_64K 4
|
|
#define BNXT_QPLIB_SWQE_PAGE_SIZE_256K 6
|
|
#define BNXT_QPLIB_SWQE_PAGE_SIZE_1M 8
|
|
#define BNXT_QPLIB_SWQE_PAGE_SIZE_2M 9
|
|
#define BNXT_QPLIB_SWQE_PAGE_SIZE_4M 10
|
|
#define BNXT_QPLIB_SWQE_PAGE_SIZE_1G 18
|
|
u8 levels;
|
|
#define PAGE_SHIFT_4K 12
|
|
__le64 *pbl_ptr;
|
|
dma_addr_t pbl_dma_ptr;
|
|
u64 *page_list;
|
|
u16 page_list_len;
|
|
u64 va;
|
|
} frmr;
|
|
|
|
/* Bind */
|
|
struct {
|
|
u8 access_cntl;
|
|
#define BNXT_QPLIB_BIND_SWQE_ACCESS_LOCAL_WRITE BIT(0)
|
|
#define BNXT_QPLIB_BIND_SWQE_ACCESS_REMOTE_READ BIT(1)
|
|
#define BNXT_QPLIB_BIND_SWQE_ACCESS_REMOTE_WRITE BIT(2)
|
|
#define BNXT_QPLIB_BIND_SWQE_ACCESS_REMOTE_ATOMIC BIT(3)
|
|
#define BNXT_QPLIB_BIND_SWQE_ACCESS_WINDOW_BIND BIT(4)
|
|
bool zero_based;
|
|
u8 mw_type;
|
|
u32 parent_l_key;
|
|
u32 r_key;
|
|
u64 va;
|
|
u32 length;
|
|
} bind;
|
|
};
|
|
};
|
|
|
|
struct bnxt_qplib_q {
|
|
struct bnxt_qplib_hwq hwq;
|
|
struct bnxt_qplib_swq *swq;
|
|
struct bnxt_qplib_db_info dbinfo;
|
|
struct bnxt_qplib_sg_info sg_info;
|
|
u32 max_wqe;
|
|
u16 wqe_size;
|
|
u16 q_full_delta;
|
|
u16 max_sge;
|
|
u32 psn;
|
|
bool condition;
|
|
bool single;
|
|
bool send_phantom;
|
|
u32 phantom_wqe_cnt;
|
|
u32 phantom_cqe_cnt;
|
|
u32 next_cq_cons;
|
|
bool flushed;
|
|
u32 swq_start;
|
|
u32 swq_last;
|
|
};
|
|
|
|
struct bnxt_qplib_qp {
|
|
struct bnxt_qplib_pd *pd;
|
|
struct bnxt_qplib_dpi *dpi;
|
|
struct bnxt_qplib_chip_ctx *cctx;
|
|
u64 qp_handle;
|
|
#define BNXT_QPLIB_QP_ID_INVALID 0xFFFFFFFF
|
|
u32 id;
|
|
u8 type;
|
|
u8 sig_type;
|
|
u8 wqe_mode;
|
|
u8 state;
|
|
u8 cur_qp_state;
|
|
u64 modify_flags;
|
|
u32 max_inline_data;
|
|
u32 mtu;
|
|
u8 path_mtu;
|
|
bool en_sqd_async_notify;
|
|
u16 pkey_index;
|
|
u32 qkey;
|
|
u32 dest_qp_id;
|
|
u8 access;
|
|
u8 timeout;
|
|
u8 retry_cnt;
|
|
u8 rnr_retry;
|
|
u64 wqe_cnt;
|
|
u32 min_rnr_timer;
|
|
u32 max_rd_atomic;
|
|
u32 max_dest_rd_atomic;
|
|
u32 dest_qpn;
|
|
u8 smac[6];
|
|
u16 vlan_id;
|
|
u8 nw_type;
|
|
struct bnxt_qplib_ah ah;
|
|
|
|
#define BTH_PSN_MASK ((1 << 24) - 1)
|
|
/* SQ */
|
|
struct bnxt_qplib_q sq;
|
|
/* RQ */
|
|
struct bnxt_qplib_q rq;
|
|
/* SRQ */
|
|
struct bnxt_qplib_srq *srq;
|
|
/* CQ */
|
|
struct bnxt_qplib_cq *scq;
|
|
struct bnxt_qplib_cq *rcq;
|
|
/* IRRQ and ORRQ */
|
|
struct bnxt_qplib_hwq irrq;
|
|
struct bnxt_qplib_hwq orrq;
|
|
/* Header buffer for QP1 */
|
|
int sq_hdr_buf_size;
|
|
int rq_hdr_buf_size;
|
|
/*
|
|
* Buffer space for ETH(14), IP or GRH(40), UDP header(8)
|
|
* and ib_bth + ib_deth (20).
|
|
* Max required is 82 when RoCE V2 is enabled
|
|
*/
|
|
#define BNXT_QPLIB_MAX_QP1_SQ_HDR_SIZE_V2 86
|
|
/* Ethernet header = 14 */
|
|
/* ib_grh = 40 (provided by MAD) */
|
|
/* ib_bth + ib_deth = 20 */
|
|
/* MAD = 256 (provided by MAD) */
|
|
/* iCRC = 4 */
|
|
#define BNXT_QPLIB_MAX_QP1_RQ_ETH_HDR_SIZE 14
|
|
#define BNXT_QPLIB_MAX_QP1_RQ_HDR_SIZE_V2 512
|
|
#define BNXT_QPLIB_MAX_GRH_HDR_SIZE_IPV4 20
|
|
#define BNXT_QPLIB_MAX_GRH_HDR_SIZE_IPV6 40
|
|
#define BNXT_QPLIB_MAX_QP1_RQ_BDETH_HDR_SIZE 20
|
|
void *sq_hdr_buf;
|
|
dma_addr_t sq_hdr_buf_map;
|
|
void *rq_hdr_buf;
|
|
dma_addr_t rq_hdr_buf_map;
|
|
struct list_head sq_flush;
|
|
struct list_head rq_flush;
|
|
};
|
|
|
|
#define BNXT_QPLIB_MAX_CQE_ENTRY_SIZE sizeof(struct cq_base)
|
|
|
|
#define CQE_CNT_PER_PG (PAGE_SIZE / BNXT_QPLIB_MAX_CQE_ENTRY_SIZE)
|
|
#define CQE_MAX_IDX_PER_PG (CQE_CNT_PER_PG - 1)
|
|
#define CQE_PG(x) (((x) & ~CQE_MAX_IDX_PER_PG) / CQE_CNT_PER_PG)
|
|
#define CQE_IDX(x) ((x) & CQE_MAX_IDX_PER_PG)
|
|
|
|
#define ROCE_CQE_CMP_V 0
|
|
#define CQE_CMP_VALID(hdr, raw_cons, cp_bit) \
|
|
(!!((hdr)->cqe_type_toggle & CQ_BASE_TOGGLE) == \
|
|
!((raw_cons) & (cp_bit)))
|
|
|
|
static inline bool bnxt_qplib_queue_full(struct bnxt_qplib_q *que,
|
|
u8 slots)
|
|
{
|
|
struct bnxt_qplib_hwq *hwq;
|
|
int avail;
|
|
|
|
hwq = &que->hwq;
|
|
/* False full is possible, retrying post-send makes sense */
|
|
avail = hwq->cons - hwq->prod;
|
|
if (hwq->cons <= hwq->prod)
|
|
avail += hwq->depth;
|
|
return avail <= slots;
|
|
}
|
|
|
|
struct bnxt_qplib_cqe {
|
|
u8 status;
|
|
u8 type;
|
|
u8 opcode;
|
|
u32 length;
|
|
u16 cfa_meta;
|
|
u64 wr_id;
|
|
union {
|
|
__be32 immdata;
|
|
u32 invrkey;
|
|
};
|
|
u64 qp_handle;
|
|
u64 mr_handle;
|
|
u16 flags;
|
|
u8 smac[6];
|
|
u32 src_qp;
|
|
u16 raweth_qp1_flags;
|
|
u16 raweth_qp1_errors;
|
|
u16 raweth_qp1_cfa_code;
|
|
u32 raweth_qp1_flags2;
|
|
u32 raweth_qp1_metadata;
|
|
u8 raweth_qp1_payload_offset;
|
|
u16 pkey_index;
|
|
};
|
|
|
|
#define BNXT_QPLIB_QUEUE_START_PERIOD 0x01
|
|
struct bnxt_qplib_cq {
|
|
struct bnxt_qplib_dpi *dpi;
|
|
struct bnxt_qplib_db_info dbinfo;
|
|
u32 max_wqe;
|
|
u32 id;
|
|
u16 count;
|
|
u16 period;
|
|
struct bnxt_qplib_hwq hwq;
|
|
u32 cnq_hw_ring_id;
|
|
struct bnxt_qplib_nq *nq;
|
|
bool resize_in_progress;
|
|
struct bnxt_qplib_sg_info sg_info;
|
|
u64 cq_handle;
|
|
|
|
#define CQ_RESIZE_WAIT_TIME_MS 500
|
|
unsigned long flags;
|
|
#define CQ_FLAGS_RESIZE_IN_PROG 1
|
|
wait_queue_head_t waitq;
|
|
struct list_head sqf_head, rqf_head;
|
|
atomic_t arm_state;
|
|
spinlock_t compl_lock; /* synch CQ handlers */
|
|
/* Locking Notes:
|
|
* QP can move to error state from modify_qp, async error event or error
|
|
* CQE as part of poll_cq. When QP is moved to error state, it gets added
|
|
* to two flush lists, one each for SQ and RQ.
|
|
* Each flush list is protected by qplib_cq->flush_lock. Both scq and rcq
|
|
* flush_locks should be acquired when QP is moved to error. The control path
|
|
* operations(modify_qp and async error events) are synchronized with poll_cq
|
|
* using upper level CQ locks (bnxt_re_cq->cq_lock) of both SCQ and RCQ.
|
|
* The qplib_cq->flush_lock is required to synchronize two instances of poll_cq
|
|
* of the same QP while manipulating the flush list.
|
|
*/
|
|
spinlock_t flush_lock; /* QP flush management */
|
|
u16 cnq_events;
|
|
};
|
|
|
|
#define BNXT_QPLIB_MAX_IRRQE_ENTRY_SIZE sizeof(struct xrrq_irrq)
|
|
#define BNXT_QPLIB_MAX_ORRQE_ENTRY_SIZE sizeof(struct xrrq_orrq)
|
|
#define IRD_LIMIT_TO_IRRQ_SLOTS(x) (2 * (x) + 2)
|
|
#define IRRQ_SLOTS_TO_IRD_LIMIT(s) (((s) >> 1) - 1)
|
|
#define ORD_LIMIT_TO_ORRQ_SLOTS(x) ((x) + 1)
|
|
#define ORRQ_SLOTS_TO_ORD_LIMIT(s) ((s) - 1)
|
|
|
|
#define BNXT_QPLIB_MAX_NQE_ENTRY_SIZE sizeof(struct nq_base)
|
|
|
|
#define NQE_CNT_PER_PG (PAGE_SIZE / BNXT_QPLIB_MAX_NQE_ENTRY_SIZE)
|
|
#define NQE_MAX_IDX_PER_PG (NQE_CNT_PER_PG - 1)
|
|
#define NQE_PG(x) (((x) & ~NQE_MAX_IDX_PER_PG) / NQE_CNT_PER_PG)
|
|
#define NQE_IDX(x) ((x) & NQE_MAX_IDX_PER_PG)
|
|
|
|
#define NQE_CMP_VALID(hdr, raw_cons, cp_bit) \
|
|
(!!(le32_to_cpu((hdr)->info63_v[0]) & NQ_BASE_V) == \
|
|
!((raw_cons) & (cp_bit)))
|
|
|
|
#define BNXT_QPLIB_NQE_MAX_CNT (128 * 1024)
|
|
|
|
#define NQ_CONS_PCI_BAR_REGION 2
|
|
#define NQ_DB_KEY_CP (0x2 << CMPL_DOORBELL_KEY_SFT)
|
|
#define NQ_DB_IDX_VALID CMPL_DOORBELL_IDX_VALID
|
|
#define NQ_DB_IRQ_DIS CMPL_DOORBELL_MASK
|
|
#define NQ_DB_CP_FLAGS_REARM (NQ_DB_KEY_CP | \
|
|
NQ_DB_IDX_VALID)
|
|
#define NQ_DB_CP_FLAGS (NQ_DB_KEY_CP | \
|
|
NQ_DB_IDX_VALID | \
|
|
NQ_DB_IRQ_DIS)
|
|
|
|
struct bnxt_qplib_nq_db {
|
|
struct bnxt_qplib_reg_desc reg;
|
|
struct bnxt_qplib_db_info dbinfo;
|
|
};
|
|
|
|
typedef int (*cqn_handler_t)(struct bnxt_qplib_nq *nq,
|
|
struct bnxt_qplib_cq *cq);
|
|
typedef int (*srqn_handler_t)(struct bnxt_qplib_nq *nq,
|
|
struct bnxt_qplib_srq *srq, u8 event);
|
|
|
|
struct bnxt_qplib_nq {
|
|
struct pci_dev *pdev;
|
|
struct bnxt_qplib_res *res;
|
|
char *name;
|
|
struct bnxt_qplib_hwq hwq;
|
|
struct bnxt_qplib_nq_db nq_db;
|
|
u16 ring_id;
|
|
int msix_vec;
|
|
cpumask_t mask;
|
|
struct tasklet_struct nq_tasklet;
|
|
bool requested;
|
|
int budget;
|
|
|
|
cqn_handler_t cqn_handler;
|
|
srqn_handler_t srqn_handler;
|
|
struct workqueue_struct *cqn_wq;
|
|
};
|
|
|
|
struct bnxt_qplib_nq_work {
|
|
struct work_struct work;
|
|
struct bnxt_qplib_nq *nq;
|
|
struct bnxt_qplib_cq *cq;
|
|
};
|
|
|
|
void bnxt_qplib_nq_stop_irq(struct bnxt_qplib_nq *nq, bool kill);
|
|
void bnxt_qplib_disable_nq(struct bnxt_qplib_nq *nq);
|
|
int bnxt_qplib_nq_start_irq(struct bnxt_qplib_nq *nq, int nq_indx,
|
|
int msix_vector, bool need_init);
|
|
int bnxt_qplib_enable_nq(struct pci_dev *pdev, struct bnxt_qplib_nq *nq,
|
|
int nq_idx, int msix_vector, int bar_reg_offset,
|
|
cqn_handler_t cqn_handler,
|
|
srqn_handler_t srq_handler);
|
|
int bnxt_qplib_create_srq(struct bnxt_qplib_res *res,
|
|
struct bnxt_qplib_srq *srq);
|
|
int bnxt_qplib_modify_srq(struct bnxt_qplib_res *res,
|
|
struct bnxt_qplib_srq *srq);
|
|
int bnxt_qplib_query_srq(struct bnxt_qplib_res *res,
|
|
struct bnxt_qplib_srq *srq);
|
|
void bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res,
|
|
struct bnxt_qplib_srq *srq);
|
|
int bnxt_qplib_post_srq_recv(struct bnxt_qplib_srq *srq,
|
|
struct bnxt_qplib_swqe *wqe);
|
|
int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp);
|
|
int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp);
|
|
int bnxt_qplib_modify_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp);
|
|
int bnxt_qplib_query_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp);
|
|
int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp);
|
|
void bnxt_qplib_clean_qp(struct bnxt_qplib_qp *qp);
|
|
void bnxt_qplib_free_qp_res(struct bnxt_qplib_res *res,
|
|
struct bnxt_qplib_qp *qp);
|
|
void *bnxt_qplib_get_qp1_sq_buf(struct bnxt_qplib_qp *qp,
|
|
struct bnxt_qplib_sge *sge);
|
|
void *bnxt_qplib_get_qp1_rq_buf(struct bnxt_qplib_qp *qp,
|
|
struct bnxt_qplib_sge *sge);
|
|
u32 bnxt_qplib_get_rq_prod_index(struct bnxt_qplib_qp *qp);
|
|
dma_addr_t bnxt_qplib_get_qp_buf_from_index(struct bnxt_qplib_qp *qp,
|
|
u32 index);
|
|
void bnxt_qplib_post_send_db(struct bnxt_qplib_qp *qp);
|
|
int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp,
|
|
struct bnxt_qplib_swqe *wqe);
|
|
void bnxt_qplib_post_recv_db(struct bnxt_qplib_qp *qp);
|
|
int bnxt_qplib_post_recv(struct bnxt_qplib_qp *qp,
|
|
struct bnxt_qplib_swqe *wqe);
|
|
int bnxt_qplib_create_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq);
|
|
int bnxt_qplib_destroy_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq);
|
|
int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe,
|
|
int num, struct bnxt_qplib_qp **qp);
|
|
bool bnxt_qplib_is_cq_empty(struct bnxt_qplib_cq *cq);
|
|
void bnxt_qplib_req_notify_cq(struct bnxt_qplib_cq *cq, u32 arm_type);
|
|
void bnxt_qplib_free_nq(struct bnxt_qplib_nq *nq);
|
|
int bnxt_qplib_alloc_nq(struct bnxt_qplib_res *res, struct bnxt_qplib_nq *nq);
|
|
void bnxt_qplib_add_flush_qp(struct bnxt_qplib_qp *qp);
|
|
void bnxt_qplib_acquire_cq_locks(struct bnxt_qplib_qp *qp,
|
|
unsigned long *flags);
|
|
void bnxt_qplib_release_cq_locks(struct bnxt_qplib_qp *qp,
|
|
unsigned long *flags);
|
|
int bnxt_qplib_process_flush_list(struct bnxt_qplib_cq *cq,
|
|
struct bnxt_qplib_cqe *cqe,
|
|
int num_cqes);
|
|
void bnxt_qplib_flush_cqn_wq(struct bnxt_qplib_qp *qp);
|
|
void bnxt_re_synchronize_nq(struct bnxt_qplib_nq *nq);
|
|
|
|
static inline void *bnxt_qplib_get_swqe(struct bnxt_qplib_q *que, u32 *swq_idx)
|
|
{
|
|
u32 idx;
|
|
|
|
idx = que->swq_start;
|
|
if (swq_idx)
|
|
*swq_idx = idx;
|
|
return &que->swq[idx];
|
|
}
|
|
|
|
static inline void bnxt_qplib_swq_mod_start(struct bnxt_qplib_q *que, u32 idx)
|
|
{
|
|
que->swq_start = que->swq[idx].next_idx;
|
|
}
|
|
|
|
static inline u32 bnxt_qplib_get_depth(struct bnxt_qplib_q *que)
|
|
{
|
|
return (que->wqe_size * que->max_wqe) / sizeof(struct sq_sge);
|
|
}
|
|
|
|
static inline u32 bnxt_qplib_set_sq_size(struct bnxt_qplib_q *que, u8 wqe_mode)
|
|
{
|
|
return (wqe_mode == BNXT_QPLIB_WQE_MODE_STATIC) ?
|
|
que->max_wqe : bnxt_qplib_get_depth(que);
|
|
}
|
|
|
|
static inline u32 bnxt_qplib_set_sq_max_slot(u8 wqe_mode)
|
|
{
|
|
return (wqe_mode == BNXT_QPLIB_WQE_MODE_STATIC) ?
|
|
sizeof(struct sq_send) / sizeof(struct sq_sge) : 1;
|
|
}
|
|
|
|
static inline u32 bnxt_qplib_set_rq_max_slot(u32 wqe_size)
|
|
{
|
|
return (wqe_size / sizeof(struct sq_sge));
|
|
}
|
|
|
|
static inline u16 __xlate_qfd(u16 delta, u16 wqe_bytes)
|
|
{
|
|
/* For Cu/Wh delta = 128, stride = 16, wqe_bytes = 128
|
|
* For Gen-p5 B/C mode delta = 0, stride = 16, wqe_bytes = 128.
|
|
* For Gen-p5 delta = 0, stride = 16, 32 <= wqe_bytes <= 512.
|
|
* when 8916 is disabled.
|
|
*/
|
|
return (delta * wqe_bytes) / sizeof(struct sq_sge);
|
|
}
|
|
|
|
static inline u16 bnxt_qplib_calc_ilsize(struct bnxt_qplib_swqe *wqe, u16 max)
|
|
{
|
|
u16 size = 0;
|
|
int indx;
|
|
|
|
for (indx = 0; indx < wqe->num_sge; indx++)
|
|
size += wqe->sg_list[indx].size;
|
|
if (size > max)
|
|
size = max;
|
|
|
|
return size;
|
|
}
|
|
#endif /* __BNXT_QPLIB_FP_H__ */
|