Commit ba1aefee authored by Shruti Parab's avatar Shruti Parab Committed by Paolo Abeni
Browse files

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: default avatarHongguang Gao <hongguang.gao@broadcom.com>
Reviewed-by: default avatarAndy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: default avatarShruti Parab <shruti.parab@broadcom.com>
Signed-off-by: default avatarMichael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20250917040839.1924698-6-michael.chan@broadcom.com


Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent de676875

drivers/net/ethernet/broadcom/bnxt/bnxt.c

+7 −2
Original line number Diff line number Diff line
@@ -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 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp) 
		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

drivers/net/ethernet/broadcom/bnxt/bnxt.h

+2 −1
Original line number Diff line number Diff line
@@ -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 {

drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.c

+2 −1
Original line number Diff line number Diff line
@@ -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];

drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.h

+1 −0
Original line number Diff line number Diff line
@@ -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)