-/*-
- * BSD LICENSE
- *
- * Copyright(c) Broadcom Limited.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * 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.
- * * Neither the name of Broadcom Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
- * OWNER 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2014-2021 Broadcom
+ * All rights reserved.
*/
#ifndef _BNXT_CPR_H_
#define _BNXT_CPR_H_
+#include <stdbool.h>
+
+#include <rte_io.h>
+#include "hsi_struct_def_dpdk.h"
-#define CMP_VALID(cmp, raw_cons, ring) \
- (!!(((struct cmpl_base *)(cmp))->info3_v & CMPL_BASE_V) == \
- !((raw_cons) & ((ring)->ring_size)))
+struct bnxt_db_info;
#define CMP_TYPE(cmp) \
(((struct cmpl_base *)cmp)->type & CMPL_BASE_TYPE_MASK)
+/* Get completion length from completion type, in 16-byte units. */
+#define CMP_LEN(cmp_type) (((cmp_type) & 1) + 1)
+
+
#define ADV_RAW_CMP(idx, n) ((idx) + (n))
#define NEXT_RAW_CMP(idx) ADV_RAW_CMP(idx, 1)
#define RING_CMP(ring, idx) ((idx) & (ring)->ring_mask)
+#define RING_CMPL(ring_mask, idx) ((idx) & (ring_mask))
#define NEXT_CMP(idx) RING_CMP(ADV_RAW_CMP(idx, 1))
#define DB_CP_REARM_FLAGS (DB_KEY_CP | DB_IDX_VALID)
#define DB_CP_FLAGS (DB_KEY_CP | DB_IDX_VALID | DB_IRQ_DIS)
#define B_CP_DB_REARM(cpr, raw_cons) \
- (*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_REARM_FLAGS | \
- RING_CMP(&cpr->cp_ring_struct, raw_cons)))
+ rte_write32((DB_CP_REARM_FLAGS | \
+ DB_RING_IDX(&((cpr)->cp_db), raw_cons)), \
+ ((cpr)->cp_db.doorbell))
+
+#define B_CP_DB_ARM(cpr) rte_write32((DB_KEY_CP), \
+ ((cpr)->cp_db.doorbell))
+
+#define B_CP_DB_DISARM(cpr) (*(uint32_t *)((cpr)->cp_db.doorbell) = \
+ DB_KEY_CP | DB_IRQ_DIS)
+#define B_CP_DB_IDX_ARM(cpr, cons) \
+ (*(uint32_t *)((cpr)->cp_db.doorbell) = (DB_CP_REARM_FLAGS | \
+ (cons)))
+
+#define B_CP_DB_IDX_DISARM(cpr, cons) do { \
+ rte_smp_wmb(); \
+ (*(uint32_t *)((cpr)->cp_db.doorbell) = (DB_CP_FLAGS | \
+ (cons)); \
+} while (0)
#define B_CP_DIS_DB(cpr, raw_cons) \
- (*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_FLAGS | \
- RING_CMP(&cpr->cp_ring_struct, raw_cons)))
+ rte_write32_relaxed((DB_CP_FLAGS | \
+ DB_RING_IDX(&((cpr)->cp_db), raw_cons)), \
+ ((cpr)->cp_db.doorbell))
+
+#define B_CP_DB(cpr, raw_cons, ring_mask) \
+ rte_write32((DB_CP_FLAGS | \
+ RING_CMPL((ring_mask), raw_cons)), \
+ ((cpr)->cp_db.doorbell))
+
+struct bnxt_db_info {
+ void *doorbell;
+ union {
+ uint64_t db_key64;
+ uint32_t db_key32;
+ };
+ bool db_64;
+ uint32_t db_ring_mask;
+ uint32_t db_epoch_mask;
+ uint32_t db_epoch_shift;
+};
+
+#define DB_EPOCH(db, idx) (((idx) & (db)->db_epoch_mask) << \
+ ((db)->db_epoch_shift))
+#define DB_RING_IDX(db, idx) (((idx) & (db)->db_ring_mask) | \
+ DB_EPOCH(db, idx))
struct bnxt_ring;
struct bnxt_cp_ring_info {
uint32_t cp_raw_cons;
- void *cp_doorbell;
struct cmpl_base *cp_desc_ring;
-
- phys_addr_t cp_desc_mapping;
+ struct bnxt_db_info cp_db;
+ rte_iova_t cp_desc_mapping;
struct ctx_hw_stats *hw_stats;
- phys_addr_t hw_stats_map;
+ rte_iova_t hw_stats_map;
uint32_t hw_stats_ctx_id;
struct bnxt_ring *cp_ring_struct;
#define RX_CMP_L2_ERRORS \
(RX_PKT_CMPL_ERRORS_BUFFER_ERROR_MASK | RX_PKT_CMPL_ERRORS_CRC_ERROR)
-
struct bnxt;
-void bnxt_free_def_cp_ring(struct bnxt *bp);
-void bnxt_init_def_ring_struct(struct bnxt *bp);
void bnxt_handle_async_event(struct bnxt *bp, struct cmpl_base *cmp);
void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmp);
+int bnxt_event_hwrm_resp_handler(struct bnxt *bp, struct cmpl_base *cmp);
+void bnxt_dev_reset_and_resume(void *arg);
+void bnxt_wait_for_device_shutdown(struct bnxt *bp);
+
+#define EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL \
+ HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL
+#define EVENT_DATA1_REASON_CODE_MASK \
+ HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_MASK
+
+#define EVENT_DATA1_FLAGS_MASK \
+ HWRM_ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_MASK
+
+#define EVENT_DATA1_FLAGS_MASTER_FUNC \
+ HWRM_ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_MASTER_FUNC
+
+#define EVENT_DATA1_FLAGS_RECOVERY_ENABLED \
+ HWRM_ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_RECOVERY_ENABLED
+bool bnxt_is_recovery_enabled(struct bnxt *bp);
+bool bnxt_is_primary_func(struct bnxt *bp);
+
+void bnxt_stop_rxtx(struct bnxt *bp);
+
+/**
+ * Check validity of a completion ring entry. If the entry is valid, include a
+ * C11 __ATOMIC_ACQUIRE fence to ensure that subsequent loads of fields in the
+ * completion are not hoisted by the compiler or by the CPU to come before the
+ * loading of the "valid" field.
+ *
+ * Note: the caller must not access any fields in the specified completion
+ * entry prior to calling this function.
+ *
+ * @param cmpl
+ * Pointer to an entry in the completion ring.
+ * @param raw_cons
+ * Raw consumer index of entry in completion ring.
+ * @param ring_size
+ * Size of completion ring.
+ */
+static __rte_always_inline bool
+bnxt_cpr_cmp_valid(const void *cmpl, uint32_t raw_cons, uint32_t ring_size)
+{
+ const struct cmpl_base *c = cmpl;
+ bool expected, valid;
+
+ expected = !(raw_cons & ring_size);
+ valid = !!(rte_le_to_cpu_32(c->info3_v) & CMPL_BASE_V);
+ if (valid == expected) {
+ rte_atomic_thread_fence(__ATOMIC_ACQUIRE);
+ return true;
+ }
+ return false;
+}
#endif
git.droids-corp.org / dpdk.git / blobdiff