bfc1d45875
Eliminate unnecessary rte_smp_wmb() before writing to request/completion doorbells. Use rte_cio_wmb() memory barrier instead of rte_io_wmb() before writing to tx/rx request queue doorbells and use rte_compiler_barrier() before writing to tx/rx completion queue doorbells. Fixes:4af9d0c729("net/bnxt: cleanup NQ doorbell") Fixes:f8168ca0e6("net/bnxt: support thor controller") Cc: stable@dpdk.org Signed-off-by: Rahul Gupta <rahul.gupta@broadcom.com> Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com> Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com> Reviewed-by: Lance Richardson <lance.richardson@broadcom.com>
130 lines
3.9 KiB
C
130 lines
3.9 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2014-2018 Broadcom
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* All rights reserved.
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*/
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#ifndef _BNXT_CPR_H_
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#define _BNXT_CPR_H_
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#include <stdbool.h>
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#include <rte_io.h>
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struct bnxt_db_info;
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#define CMP_VALID(cmp, raw_cons, ring) \
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(!!(rte_le_to_cpu_32(((struct cmpl_base *)(cmp))->info3_v) & \
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CMPL_BASE_V) == !((raw_cons) & ((ring)->ring_size)))
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#define CMPL_VALID(cmp, v) \
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(!!(rte_le_to_cpu_32(((struct cmpl_base *)(cmp))->info3_v) & \
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CMPL_BASE_V) == !(v))
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#define NQ_CMP_VALID(nqcmp, raw_cons, ring) \
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(!!((nqcmp)->v & rte_cpu_to_le_32(NQ_CN_V)) == \
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!((raw_cons) & ((ring)->ring_size)))
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#define CMP_TYPE(cmp) \
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(((struct cmpl_base *)cmp)->type & CMPL_BASE_TYPE_MASK)
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#define ADV_RAW_CMP(idx, n) ((idx) + (n))
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#define NEXT_RAW_CMP(idx) ADV_RAW_CMP(idx, 1)
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#define RING_CMP(ring, idx) ((idx) & (ring)->ring_mask)
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#define RING_CMPL(ring_mask, idx) ((idx) & (ring_mask))
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#define NEXT_CMP(idx) RING_CMP(ADV_RAW_CMP(idx, 1))
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#define FLIP_VALID(cons, mask, val) ((cons) >= (mask) ? !(val) : (val))
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#define DB_CP_REARM_FLAGS (DB_KEY_CP | DB_IDX_VALID)
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#define DB_CP_FLAGS (DB_KEY_CP | DB_IDX_VALID | DB_IRQ_DIS)
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#define NEXT_CMPL(cpr, idx, v, inc) do { \
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(idx) += (inc); \
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if (unlikely((idx) >= (cpr)->cp_ring_struct->ring_size)) { \
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(v) = !(v); \
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(idx) = 0; \
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} \
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} while (0)
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#define B_CP_DB_REARM(cpr, raw_cons) \
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rte_write32((DB_CP_REARM_FLAGS | \
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RING_CMP(((cpr)->cp_ring_struct), raw_cons)), \
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((cpr)->cp_db.doorbell))
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#define B_CP_DB_ARM(cpr) rte_write32((DB_KEY_CP), \
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((cpr)->cp_db.doorbell))
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#define B_CP_DB_DISARM(cpr) (*(uint32_t *)((cpr)->cp_db.doorbell) = \
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DB_KEY_CP | DB_IRQ_DIS)
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#define B_CP_DB_IDX_ARM(cpr, cons) \
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(*(uint32_t *)((cpr)->cp_db.doorbell) = (DB_CP_REARM_FLAGS | \
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(cons)))
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#define B_CP_DB_IDX_DISARM(cpr, cons) do { \
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rte_smp_wmb(); \
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(*(uint32_t *)((cpr)->cp_db.doorbell) = (DB_CP_FLAGS | \
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(cons)); \
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} while (0)
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#define B_CP_DIS_DB(cpr, raw_cons) \
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rte_write32_relaxed((DB_CP_FLAGS | \
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RING_CMP(((cpr)->cp_ring_struct), raw_cons)), \
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((cpr)->cp_db.doorbell))
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#define B_CP_DB(cpr, raw_cons, ring_mask) \
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rte_write32((DB_CP_FLAGS | \
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RING_CMPL((ring_mask), raw_cons)), \
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((cpr)->cp_db.doorbell))
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struct bnxt_db_info {
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void *doorbell;
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union {
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uint64_t db_key64;
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uint32_t db_key32;
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};
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bool db_64;
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};
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struct bnxt_ring;
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struct bnxt_cp_ring_info {
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uint32_t cp_raw_cons;
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struct cmpl_base *cp_desc_ring;
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struct bnxt_db_info cp_db;
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rte_iova_t cp_desc_mapping;
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struct ctx_hw_stats *hw_stats;
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rte_iova_t hw_stats_map;
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uint32_t hw_stats_ctx_id;
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struct bnxt_ring *cp_ring_struct;
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uint16_t cp_cons;
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bool valid;
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};
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#define RX_CMP_L2_ERRORS \
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(RX_PKT_CMPL_ERRORS_BUFFER_ERROR_MASK | RX_PKT_CMPL_ERRORS_CRC_ERROR)
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struct bnxt;
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void bnxt_handle_async_event(struct bnxt *bp, struct cmpl_base *cmp);
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void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmp);
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int bnxt_event_hwrm_resp_handler(struct bnxt *bp, struct cmpl_base *cmp);
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void bnxt_dev_reset_and_resume(void *arg);
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void bnxt_wait_for_device_shutdown(struct bnxt *bp);
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#define EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL \
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HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL
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#define EVENT_DATA1_REASON_CODE_MASK \
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HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_MASK
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#define EVENT_DATA1_FLAGS_MASK \
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HWRM_ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_MASK
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#define EVENT_DATA1_FLAGS_MASTER_FUNC \
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HWRM_ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_MASTER_FUNC
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#define EVENT_DATA1_FLAGS_RECOVERY_ENABLED \
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HWRM_ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_RECOVERY_ENABLED
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bool bnxt_is_recovery_enabled(struct bnxt *bp);
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bool bnxt_is_master_func(struct bnxt *bp);
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#endif
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