netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Srujana Challa <schalla@marvell.com>
To: <netdev@vger.kernel.org>
Cc: <davem@davemloft.net>, <kuba@kernel.org>, <edumazet@google.com>,
	<jerinj@marvell.com>, <sgoutham@marvell.com>,
	<lcherian@marvell.com>, <gakula@marvell.com>,
	<sbhatta@marvell.com>, <hkelam@marvell.com>
Subject: [PATCH net-next,9/9] octeontx2-af: add mbox to return CPT_AF_FLT_INT info
Date: Mon, 9 Jan 2023 13:06:03 +0530	[thread overview]
Message-ID: <20230109073603.861043-10-schalla@marvell.com> (raw)
In-Reply-To: <20230109073603.861043-1-schalla@marvell.com>

Adds a new mailbox to return CPT faulted engines bitmap
and recovered engines bitmap.

Signed-off-by: Srujana Challa <schalla@marvell.com>
---
 .../net/ethernet/marvell/octeontx2/af/mbox.h  | 17 ++++++++++
 .../net/ethernet/marvell/octeontx2/af/rvu.h   |  4 +++
 .../ethernet/marvell/octeontx2/af/rvu_cpt.c   | 34 +++++++++++++++++++
 3 files changed, 55 insertions(+)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
index abe86778b064..5727d67e0259 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
@@ -196,6 +196,8 @@ M(CPT_RXC_TIME_CFG,     0xA06, cpt_rxc_time_cfg, cpt_rxc_time_cfg_req,  \
 			       msg_rsp)                                 \
 M(CPT_CTX_CACHE_SYNC,   0xA07, cpt_ctx_cache_sync, msg_req, msg_rsp)    \
 M(CPT_LF_RESET,         0xA08, cpt_lf_reset, cpt_lf_rst_req, msg_rsp)	\
+M(CPT_FLT_ENG_INFO,     0xA09, cpt_flt_eng_info, cpt_flt_eng_info_req,	\
+			       cpt_flt_eng_info_rsp)			\
 /* SDP mbox IDs (range 0x1000 - 0x11FF) */				\
 M(SET_SDP_CHAN_INFO, 0x1000, set_sdp_chan_info, sdp_chan_info_msg, msg_rsp) \
 M(GET_SDP_CHAN_INFO, 0x1001, get_sdp_chan_info, msg_req, sdp_get_chan_info_msg) \
@@ -1706,6 +1708,21 @@ struct cpt_lf_rst_req {
 	u32 rsvd;
 };
 
+/* Mailbox message format to request for CPT faulted engines */
+struct cpt_flt_eng_info_req {
+	struct mbox_msghdr hdr;
+	int blkaddr;
+	bool reset;
+	u32 rsvd;
+};
+
+struct cpt_flt_eng_info_rsp {
+	struct mbox_msghdr hdr;
+	u64 flt_eng_map[CPT_10K_AF_INT_VEC_RVU];
+	u64 rcvrd_eng_map[CPT_10K_AF_INT_VEC_RVU];
+	u64 rsvd;
+};
+
 struct sdp_node_info {
 	/* Node to which this PF belons to */
 	u8 node_id;
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index 2f480c73ef55..5eea2b6cf6bd 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
@@ -108,6 +108,8 @@ struct rvu_block {
 	u64  lfreset_reg;
 	unsigned char name[NAME_SIZE];
 	struct rvu *rvu;
+	u64 cpt_flt_eng_map[3];
+	u64 cpt_rcvrd_eng_map[3];
 };
 
 struct nix_mcast {
@@ -526,6 +528,8 @@ struct rvu {
 	struct list_head	mcs_intrq_head;
 	/* mcs interrupt queue lock */
 	spinlock_t		mcs_intrq_lock;
+	/* CPT interrupt lock */
+	spinlock_t		cpt_intr_lock;
 };
 
 static inline void rvu_write64(struct rvu *rvu, u64 block, u64 offset, u64 val)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c
index d7ca7e953683..7cc1efa603ce 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c
@@ -70,6 +70,13 @@ static irqreturn_t cpt_af_flt_intr_handler(int vec, void *ptr)
 
 		rvu_write64(rvu, blkaddr, CPT_AF_EXEX_CTL2(eng), grp);
 		rvu_write64(rvu, blkaddr, CPT_AF_EXEX_CTL(eng), val | 1ULL);
+
+		spin_lock(&rvu->cpt_intr_lock);
+		block->cpt_flt_eng_map[vec] |= BIT_ULL(i);
+		val = rvu_read64(rvu, blkaddr, CPT_AF_EXEX_STS(eng));
+		if ((val & 0x2) || (!(val & 0x2) && (val & 0x1)))
+			block->cpt_rcvrd_eng_map[vec] |= BIT_ULL(i);
+		spin_unlock(&rvu->cpt_intr_lock);
 	}
 	rvu_write64(rvu, blkaddr, CPT_AF_FLTX_INT(vec), reg);
 
@@ -899,6 +906,31 @@ int rvu_mbox_handler_cpt_lf_reset(struct rvu *rvu, struct cpt_lf_rst_req *req,
 	return 0;
 }
 
+int rvu_mbox_handler_cpt_flt_eng_info(struct rvu *rvu, struct cpt_flt_eng_info_req *req,
+				      struct cpt_flt_eng_info_rsp *rsp)
+{
+	struct rvu_block *block;
+	unsigned long flags;
+	int blkaddr, vec;
+
+	blkaddr = validate_and_get_cpt_blkaddr(req->blkaddr);
+	if (blkaddr < 0)
+		return blkaddr;
+
+	block = &rvu->hw->block[blkaddr];
+	for (vec = 0; vec < CPT_10K_AF_INT_VEC_RVU; vec++) {
+		spin_lock_irqsave(&rvu->cpt_intr_lock, flags);
+		rsp->flt_eng_map[vec] = block->cpt_flt_eng_map[vec];
+		rsp->rcvrd_eng_map[vec] = block->cpt_rcvrd_eng_map[vec];
+		if (req->reset) {
+			block->cpt_flt_eng_map[vec] = 0x0;
+			block->cpt_rcvrd_eng_map[vec] = 0x0;
+		}
+		spin_unlock_irqrestore(&rvu->cpt_intr_lock, flags);
+	}
+	return 0;
+}
+
 static void cpt_rxc_teardown(struct rvu *rvu, int blkaddr)
 {
 	struct cpt_rxc_time_cfg_req req, prev;
@@ -1182,5 +1214,7 @@ int rvu_cpt_init(struct rvu *rvu)
 {
 	/* Retrieve CPT PF number */
 	rvu->cpt_pf_num = get_cpt_pf_num(rvu);
+	spin_lock_init(&rvu->cpt_intr_lock);
+
 	return 0;
 }
-- 
2.25.1


      parent reply	other threads:[~2023-01-09  7:37 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-09  7:35 [PATCH net-next 0/9] octeontx2-af: Miscellaneous changes for CPT Srujana Challa
2023-01-09  7:35 ` [PATCH net-next,1/9] octeontx2-af: Fix interrupt name strings completely Srujana Challa
2023-01-10  3:46   ` Jakub Kicinski
2023-01-09  7:35 ` [PATCH net-next,2/9] octeontx2-af: recover CPT engine when it gets fault Srujana Challa
2023-01-09  7:35 ` [PATCH net-next,3/9] octeontx2-af: add mbox for CPT LF reset Srujana Challa
2023-01-09  7:35 ` [PATCH net-next,4/9] octeontx2-af: modify FLR sequence for CPT Srujana Challa
2023-01-09  7:35 ` [PATCH net-next,5/9] octeontx2-af: optimize cpt pf identification Srujana Challa
2023-01-09  7:36 ` [PATCH net-next,6/9] octeontx2-af: restore rxc conf after teardown sequence Srujana Challa
2023-01-09  7:36 ` [PATCH net-next,7/9] octeontx2-af: update CPT inbound inline IPsec config mailbox Srujana Challa
2023-01-09  7:36 ` [PATCH net-next,8/9] octeontx2-af: add ctx ilen to cpt lf alloc mailbox Srujana Challa
2023-01-09  7:36 ` Srujana Challa [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20230109073603.861043-10-schalla@marvell.com \
    --to=schalla@marvell.com \
    --cc=davem@davemloft.net \
    --cc=edumazet@google.com \
    --cc=gakula@marvell.com \
    --cc=hkelam@marvell.com \
    --cc=jerinj@marvell.com \
    --cc=kuba@kernel.org \
    --cc=lcherian@marvell.com \
    --cc=netdev@vger.kernel.org \
    --cc=sbhatta@marvell.com \
    --cc=sgoutham@marvell.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).