netdev - [PATCH v2 1/3] octeontx2-af: cn10k: Mailbox changes for CN10K CPT

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Message-ID: <20210421092302.22402-2-schalla@marvell.com>
Date:   Wed, 21 Apr 2021 14:53:00 +0530
From:   Srujana Challa <schalla@...vell.com>
To:     <netdev@...r.kernel.org>
CC:     <davem@...emloft.net>, <kuba@...nel.org>, <sgoutham@...vell.com>,
        <lcherian@...vell.com>, <sbhatta@...vell.com>,
        <hkelam@...vell.com>, <gakula@...vell.com>, <jerinj@...vell.com>,
        <pathreya@...vell.com>, "Srujana Challa" <schalla@...vell.com>,
        Vidya Sagar Velumuri <vvelumuri@...vell.com>
Subject: [PATCH v2 1/3] octeontx2-af: cn10k: Mailbox changes for CN10K CPT

Adds changes to existing CPT mailbox messages to support
CN10K CPT block. This patch also adds new register defines
for CN10K CPT.

Signed-off-by: Vidya Sagar Velumuri <vvelumuri@...vell.com>
Signed-off-by: Srujana Challa <schalla@...vell.com>
---
 .../ethernet/marvell/octeontx2/af/rvu_cpt.c   | 11 +++++++++-
 .../ethernet/marvell/octeontx2/af/rvu_reg.h   | 21 +++++++++++++++++++
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c
index 0945c3a3b180..42c474957b69 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c
@@ -9,6 +9,10 @@
 
 /* CPT PF device id */
 #define	PCI_DEVID_OTX2_CPT_PF	0xA0FD
+#define	PCI_DEVID_OTX2_CPT10K_PF 0xA0F2
+
+/* Length of initial context fetch in 128 byte words */
+#define CPT_CTX_ILEN    2
 
 static int get_cpt_pf_num(struct rvu *rvu)
 {
@@ -21,7 +25,8 @@ static int get_cpt_pf_num(struct rvu *rvu)
 		if (!pdev)
 			continue;
 
-		if (pdev->device == PCI_DEVID_OTX2_CPT_PF) {
+		if (pdev->device == PCI_DEVID_OTX2_CPT_PF ||
+		    pdev->device == PCI_DEVID_OTX2_CPT10K_PF) {
 			cpt_pf_num = i;
 			put_device(&pdev->dev);
 			break;
@@ -103,6 +108,9 @@ int rvu_mbox_handler_cpt_lf_alloc(struct rvu *rvu,
 
 		/* Set CPT LF group and priority */
 		val = (u64)req->eng_grpmsk << 48 | 1;
+		if (!is_rvu_otx2(rvu))
+			val |= (CPT_CTX_ILEN << 17);
+
 		rvu_write64(rvu, blkaddr, CPT_AF_LFX_CTL(cptlf), val);
 
 		/* Set CPT LF NIX_PF_FUNC and SSO_PF_FUNC */
@@ -192,6 +200,7 @@ static bool is_valid_offset(struct rvu *rvu, struct cpt_rd_wr_reg_msg *req)
 		case CPT_AF_PF_FUNC:
 		case CPT_AF_BLK_RST:
 		case CPT_AF_CONSTANTS1:
+		case CPT_AF_CTX_FLUSH_TIMER:
 			return true;
 		}
 
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
index 3e401fd8ac63..ac71c0f2f960 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
@@ -494,6 +494,27 @@
 #define CPT_AF_RAS_INT_W1S              (0x47028)
 #define CPT_AF_RAS_INT_ENA_W1S          (0x47030)
 #define CPT_AF_RAS_INT_ENA_W1C          (0x47038)
+#define CPT_AF_CTX_FLUSH_TIMER          (0x48000ull)
+#define CPT_AF_CTX_ERR                  (0x48008ull)
+#define CPT_AF_CTX_ENC_ID               (0x48010ull)
+#define CPT_AF_CTX_MIS_PC		(0x49400ull)
+#define CPT_AF_CTX_HIT_PC		(0x49408ull)
+#define CPT_AF_CTX_AOP_PC		(0x49410ull)
+#define CPT_AF_CTX_AOP_LATENCY_PC       (0x49418ull)
+#define CPT_AF_CTX_IFETCH_PC            (0x49420ull)
+#define CPT_AF_CTX_IFETCH_LATENCY_PC    (0x49428ull)
+#define CPT_AF_CTX_FFETCH_PC            (0x49430ull)
+#define CPT_AF_CTX_FFETCH_LATENCY_PC    (0x49438ull)
+#define CPT_AF_CTX_WBACK_PC             (0x49440ull)
+#define CPT_AF_CTX_WBACK_LATENCY_PC     (0x49448ull)
+#define CPT_AF_CTX_PSH_PC               (0x49450ull)
+#define CPT_AF_CTX_PSH_LATENCY_PC       (0x49458ull)
+#define CPT_AF_RXC_TIME                 (0x50010ull)
+#define CPT_AF_RXC_TIME_CFG             (0x50018ull)
+#define CPT_AF_RXC_DFRG                 (0x50020ull)
+#define CPT_AF_RXC_ACTIVE_STS           (0x50028ull)
+#define CPT_AF_RXC_ZOMBIE_STS           (0x50030ull)
+#define CPT_AF_X2PX_LINK_CFG(a)         (0x51000ull | (u64)(a) << 3)
 
 #define AF_BAR2_ALIASX(a, b)            (0x9100000ull | (a) << 12 | (b))
 #define CPT_AF_BAR2_SEL                 0x9000000
-- 
2.25.1