bnxt_en: Add fw log trace support for 5731X/5741X chips

These older chips now support the fw log traces via backing store
qcaps_v2. No other backing store memory types are supported besides
the fw trace types.

Reviewed-by: Hongguang Gao <hongguang.gao@broadcom.com>
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: Shruti Parab <shruti.parab@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20250917040839.1924698-6-michael.chan@broadcom.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

4 files changed, 12 insertions, 4 deletions

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index b4732276f0ca..481395691a9d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -265,6 +265,7 @@ const u16 bnxt_bstore_to_trace[] = {
 	[BNXT_CTX_CA1]		= DBG_LOG_BUFFER_FLUSH_REQ_TYPE_CA1_TRACE,
 	[BNXT_CTX_CA2]		= DBG_LOG_BUFFER_FLUSH_REQ_TYPE_CA2_TRACE,
 	[BNXT_CTX_RIGP1]	= DBG_LOG_BUFFER_FLUSH_REQ_TYPE_RIGP1_TRACE,
+	[BNXT_CTX_KONG]		= DBG_LOG_BUFFER_FLUSH_REQ_TYPE_AFM_KONG_HWRM_TRACE,
 };
 
 static struct workqueue_struct *bnxt_pf_wq;
@@ -9158,7 +9159,7 @@ static int bnxt_backing_store_cfg_v2(struct bnxt *bp)
 	int rc = 0;
 	u16 type;
 
-	for (type = BNXT_CTX_SRT; type <= BNXT_CTX_RIGP1; type++) {
+	for (type = BNXT_CTX_SRT; type <= BNXT_CTX_KONG; type++) {
 		ctxm = &ctx->ctx_arr[type];
 		if (!bnxt_bs_trace_avail(bp, type))
 			continue;
@@ -9309,6 +9310,10 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp)
 	if (!ctx || (ctx->flags & BNXT_CTX_FLAG_INITED))
 		return 0;
 
+	ena = 0;
+	if (!(bp->flags & BNXT_FLAG_CHIP_P5_PLUS))
+		goto skip_legacy;
+
 	ctxm = &ctx->ctx_arr[BNXT_CTX_QP];
 	l2_qps = ctxm->qp_l2_entries;
 	qp1_qps = ctxm->qp_qp1_entries;
@@ -9317,7 +9322,6 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp)
 	ctxm = &ctx->ctx_arr[BNXT_CTX_SRQ];
 	srqs = ctxm->srq_l2_entries;
 	max_srqs = ctxm->max_entries;
-	ena = 0;
 	if ((bp->flags & BNXT_FLAG_ROCE_CAP) && !is_kdump_kernel()) {
 		pg_lvl = 2;
 		if (BNXT_SW_RES_LMT(bp)) {
@@ -9411,6 +9415,7 @@ skip_rdma:
 		ena |= FUNC_BACKING_STORE_CFG_REQ_ENABLES_TQM_SP << i;
 	ena |= FUNC_BACKING_STORE_CFG_REQ_DFLT_ENABLES;
 
+skip_legacy:
 	if (bp->fw_cap & BNXT_FW_CAP_BACKING_STORE_V2)
 		rc = bnxt_backing_store_cfg_v2(bp);
 	else
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 1bb2a5de88cd..37c3f6507250 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1968,10 +1968,11 @@ struct bnxt_ctx_mem_type {
 #define BNXT_CTX_CA1	FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_CA1_TRACE
 #define BNXT_CTX_CA2	FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_CA2_TRACE
 #define BNXT_CTX_RIGP1	FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_RIGP1_TRACE
+#define BNXT_CTX_KONG	FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_AFM_KONG_HWRM_TRACE
 
 #define BNXT_CTX_MAX	(BNXT_CTX_TIM + 1)
 #define BNXT_CTX_L2_MAX	(BNXT_CTX_FTQM + 1)
-#define BNXT_CTX_V2_MAX	(BNXT_CTX_RIGP1 + 1)
+#define BNXT_CTX_V2_MAX	(BNXT_CTX_KONG + 1)
 #define BNXT_CTX_INV	((u16)-1)
 
 struct bnxt_ctx_mem_info {
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.c
index 18d6c94d5cb8..a0a37216efb3 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.c
@@ -36,6 +36,7 @@ static const u16 bnxt_bstore_to_seg_id[] = {
 	[BNXT_CTX_CA1]			= BNXT_CTX_MEM_SEG_CA1,
 	[BNXT_CTX_CA2]			= BNXT_CTX_MEM_SEG_CA2,
 	[BNXT_CTX_RIGP1]		= BNXT_CTX_MEM_SEG_RIGP1,
+	[BNXT_CTX_KONG]			= BNXT_CTX_MEM_SEG_KONG,
 };
 
 static int bnxt_dbg_hwrm_log_buffer_flush(struct bnxt *bp, u16 type, u32 flags,
@@ -359,7 +360,7 @@ static u32 bnxt_get_ctx_coredump(struct bnxt *bp, void *buf, u32 offset,
 
 	if (buf)
 		buf += offset;
-	for (type = 0 ; type <= BNXT_CTX_RIGP1; type++) {
+	for (type = 0; type <= BNXT_CTX_KONG; type++) {
 		struct bnxt_ctx_mem_type *ctxm = &ctx->ctx_arr[type];
 		bool trace = bnxt_bs_trace_avail(bp, type);
 		u32 seg_id = bnxt_bstore_to_seg_id[type];
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.h
index d1cd6387f3ab..8d0f58c74cc3 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.h
@@ -102,6 +102,7 @@ struct bnxt_driver_segment_record {
 #define BNXT_CTX_MEM_SEG_CA1	0x9
 #define BNXT_CTX_MEM_SEG_CA2	0xa
 #define BNXT_CTX_MEM_SEG_RIGP1	0xb
+#define BNXT_CTX_MEM_SEG_KONG	0xd
 
 #define BNXT_CRASH_DUMP_LEN	(8 << 20)