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Message-Id: <1574007266-17123-11-git-send-email-sunil.kovvuri@gmail.com>
Date: Sun, 17 Nov 2019 21:44:21 +0530
From: sunil.kovvuri@...il.com
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, Pavan Nikhilesh <pbhagavatula@...vell.com>,
Sunil Goutham <sgoutham@...vell.com>
Subject: [PATCH 10/15] octeontx2-af: add debug msgs for SSO block errors
From: Pavan Nikhilesh <pbhagavatula@...vell.com>
Added debug messages for SSO_AF_ERR0, SSO_AF_ERR2 and SSO_AF_RAS SSO AF
error interrupts.
Signed-off-by: Pavan Nikhilesh <pbhagavatula@...vell.com>
Signed-off-by: Sunil Goutham <sgoutham@...vell.com>
---
drivers/net/ethernet/marvell/octeontx2/af/rvu.c | 5 +
drivers/net/ethernet/marvell/octeontx2/af/rvu.h | 2 +
.../net/ethernet/marvell/octeontx2/af/rvu_sso.c | 208 +++++++++++++++++++++
.../net/ethernet/marvell/octeontx2/af/rvu_struct.h | 8 +
4 files changed, 223 insertions(+)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index 0c74304..441be60 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -2151,6 +2151,7 @@ static void rvu_unregister_interrupts(struct rvu *rvu)
rvu_npa_unregister_interrupts(rvu);
rvu_nix_unregister_interrupts(rvu);
+ rvu_sso_unregister_interrupts(rvu);
/* Disable the Mbox interrupt */
rvu_write64(rvu, BLKADDR_RVUM, RVU_AF_PFAF_MBOX_INT_ENA_W1C,
@@ -2368,6 +2369,10 @@ static int rvu_register_interrupts(struct rvu *rvu)
if (ret)
goto fail;
+ ret = rvu_sso_register_interrupts(rvu);
+ if (ret)
+ goto fail;
+
return 0;
fail:
rvu_unregister_interrupts(rvu);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index 142f19f..efa9832 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
@@ -467,6 +467,8 @@ int rvu_cgx_nix_cuml_stats(struct rvu *rvu, void *cgxd, int lmac_id, int index,
/* SSO APIs */
int rvu_sso_init(struct rvu *rvu);
void rvu_sso_freemem(struct rvu *rvu);
+int rvu_sso_register_interrupts(struct rvu *rvu);
+void rvu_sso_unregister_interrupts(struct rvu *rvu);
int rvu_sso_lf_teardown(struct rvu *rvu, u16 pcifunc, int lf, int slot_id);
int rvu_ssow_lf_teardown(struct rvu *rvu, u16 pcifunc, int lf, int slot_id);
void rvu_sso_hwgrp_config_thresh(struct rvu *rvu, int blkaddr, int lf);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_sso.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_sso.c
index 8e0d3df..832771a 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_sso.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_sso.c
@@ -33,6 +33,13 @@
} while (0)
#endif
+#define SSO_AF_INT_DIGEST_PRNT(reg) \
+ for (i = 0; i < block->lf.max / 64; i++) { \
+ reg0 = rvu_read64(rvu, blkaddr, reg##X(i)); \
+ dev_err(rvu->dev, #reg "(%d) : 0x%llx", i, reg0); \
+ rvu_write64(rvu, blkaddr, reg##X(i), reg0); \
+ }
+
void rvu_sso_hwgrp_config_thresh(struct rvu *rvu, int blkaddr, int lf)
{
struct rvu_hwinfo *hw = rvu->hw;
@@ -808,6 +815,207 @@ int rvu_mbox_handler_ssow_lf_free(struct rvu *rvu,
return 0;
}
+static int rvu_sso_do_register_interrupt(struct rvu *rvu, int irq_offs,
+ irq_handler_t handler,
+ const char *name)
+{
+ int ret = 0;
+
+ ret = request_irq(pci_irq_vector(rvu->pdev, irq_offs), handler, 0,
+ name, rvu);
+ if (ret) {
+ dev_err(rvu->dev, "SSOAF: %s irq registration failed", name);
+ goto err;
+ }
+
+ WARN_ON(rvu->irq_allocated[irq_offs]);
+ rvu->irq_allocated[irq_offs] = true;
+err:
+ return ret;
+}
+
+static irqreturn_t rvu_sso_af_err0_intr_handler(int irq, void *ptr)
+{
+ struct rvu *rvu = (struct rvu *)ptr;
+ struct rvu_block *block;
+ int i, blkaddr;
+ u64 reg, reg0;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return IRQ_NONE;
+
+ block = &rvu->hw->block[blkaddr];
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_ERR0);
+ dev_err(rvu->dev, "Received SSO_AF_ERR0 irq : 0x%llx", reg);
+
+ if (reg & BIT_ULL(15)) {
+ dev_err(rvu->dev, "Received Bad-fill-packet NCB error");
+ SSO_AF_INT_DIGEST_PRNT(SSO_AF_POISON)
+ }
+
+ if (reg & BIT_ULL(14)) {
+ dev_err(rvu->dev, "An FLR was initiated, but SSO_LF_GGRP_AQ_CNT[AQ_CNT] != 0");
+ SSO_AF_INT_DIGEST_PRNT(SSO_AF_FLR_AQ_DIGEST)
+ }
+
+ if (reg & BIT_ULL(13)) {
+ dev_err(rvu->dev, "Add work dropped due to XAQ pointers not yet initialized.");
+ SSO_AF_INT_DIGEST_PRNT(SSO_AF_XAQDIS_DIGEST)
+ }
+
+ if (reg & (0xF << 9)) {
+ dev_err(rvu->dev, "PF_FUNC mapping error.");
+ dev_err(rvu->dev, "SSO_AF_UNMAP_INFO : 0x%llx",
+ rvu_read64(rvu, blkaddr, SSO_AF_UNMAP_INFO));
+ }
+
+ if (reg & BIT_ULL(8)) {
+ dev_err(rvu->dev, "Add work dropped due to QTL being disabled, 0x0");
+ SSO_AF_INT_DIGEST_PRNT(SSO_AF_QCTLDIS_DIGEST)
+ }
+
+ if (reg & BIT_ULL(7)) {
+ dev_err(rvu->dev, "Add work dropped due to WQP being 0x0");
+ SSO_AF_INT_DIGEST_PRNT(SSO_AF_WQP0_DIGEST)
+ }
+
+ if (reg & BIT_ULL(6))
+ dev_err(rvu->dev, "Add work dropped due to 64 bit write");
+
+ if (reg & BIT_ULL(5))
+ dev_err(rvu->dev, "Set when received add work with tag type is specified as EMPTY");
+
+ if (reg & BIT_ULL(4)) {
+ dev_err(rvu->dev, "Add work to disabled hardware group. An ADDWQ was received and dropped to a hardware group with SSO_AF_HWGRP(0..255)_IAQ_THR[RSVD_THR] = 0.");
+ SSO_AF_INT_DIGEST_PRNT(SSO_AF_GRPDIS_DIGEST)
+ }
+
+ if (reg & BIT_ULL(3)) {
+ dev_err(rvu->dev, "Bad-fill-packet NCB error");
+ SSO_AF_INT_DIGEST_PRNT(SSO_AF_BFPN_DIGEST)
+ }
+
+ if (reg & BIT_ULL(2)) {
+ dev_err(rvu->dev, "Bad-fill-packet error.");
+ SSO_AF_INT_DIGEST_PRNT(SSO_AF_BFP_DIGEST)
+ }
+
+ if (reg & BIT_ULL(1)) {
+ dev_err(rvu->dev, "The NPA returned an error indication");
+ SSO_AF_INT_DIGEST_PRNT(SSO_AF_NPA_DIGEST)
+ }
+
+ rvu_write64(rvu, blkaddr, SSO_AF_ERR0, reg);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t rvu_sso_af_err2_intr_handler(int irq, void *ptr)
+{
+ struct rvu *rvu = (struct rvu *)ptr;
+ int blkaddr;
+ u64 reg;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return IRQ_NONE;
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_ERR2);
+ dev_err(rvu->dev, "received SSO_AF_ERR2 irq : 0x%llx", reg);
+ rvu_write64(rvu, blkaddr, SSO_AF_ERR2, reg);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t rvu_sso_af_ras_intr_handler(int irq, void *ptr)
+{
+ struct rvu *rvu = (struct rvu *)ptr;
+ struct rvu_block *block;
+ int i, blkaddr;
+ u64 reg, reg0;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return IRQ_NONE;
+
+ block = &rvu->hw->block[blkaddr];
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_RAS);
+ dev_err(rvu->dev, "received SSO_AF_RAS irq : 0x%llx", reg);
+ rvu_write64(rvu, blkaddr, SSO_AF_RAS, reg);
+ SSO_AF_INT_DIGEST_PRNT(SSO_AF_POISON)
+
+ return IRQ_HANDLED;
+}
+
+void rvu_sso_unregister_interrupts(struct rvu *rvu)
+{
+ int i, blkaddr, offs;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return;
+
+ offs = rvu_read64(rvu, blkaddr, SSO_PRIV_AF_INT_CFG) & 0x7FF;
+ if (!offs)
+ return;
+
+ rvu_write64(rvu, blkaddr, SSO_AF_RAS_ENA_W1C, ~0ULL);
+ rvu_write64(rvu, blkaddr, SSO_AF_ERR2_ENA_W1C, ~0ULL);
+ rvu_write64(rvu, blkaddr, SSO_AF_ERR0_ENA_W1C, ~0ULL);
+
+ for (i = 0; i < SSO_AF_INT_VEC_CNT; i++)
+ if (rvu->irq_allocated[offs + i]) {
+ free_irq(pci_irq_vector(rvu->pdev, offs + i), rvu);
+ rvu->irq_allocated[offs + i] = false;
+ }
+}
+
+int rvu_sso_register_interrupts(struct rvu *rvu)
+{
+ int blkaddr, offs, ret = 0;
+
+ if (!is_block_implemented(rvu->hw, BLKADDR_SSO))
+ return 0;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return blkaddr;
+
+ offs = rvu_read64(rvu, blkaddr, SSO_PRIV_AF_INT_CFG) & 0x7FF;
+ if (!offs) {
+ dev_warn(rvu->dev,
+ "Failed to get SSO_AF_INT vector offsets\n");
+ return 0;
+ }
+
+ ret = rvu_sso_do_register_interrupt(rvu, offs + SSO_AF_INT_VEC_ERR0,
+ rvu_sso_af_err0_intr_handler,
+ "SSO_AF_ERR0");
+ if (ret)
+ goto err;
+ rvu_write64(rvu, blkaddr, SSO_AF_ERR0_ENA_W1S, ~0ULL);
+
+ ret = rvu_sso_do_register_interrupt(rvu, offs + SSO_AF_INT_VEC_ERR2,
+ rvu_sso_af_err2_intr_handler,
+ "SSO_AF_ERR2");
+ if (ret)
+ goto err;
+ rvu_write64(rvu, blkaddr, SSO_AF_ERR2_ENA_W1S, ~0ULL);
+
+ ret = rvu_sso_do_register_interrupt(rvu, offs + SSO_AF_INT_VEC_RAS,
+ rvu_sso_af_ras_intr_handler,
+ "SSO_AF_RAS");
+ if (ret)
+ goto err;
+ rvu_write64(rvu, blkaddr, SSO_AF_RAS_ENA_W1S, ~0ULL);
+
+ return 0;
+err:
+ rvu_sso_unregister_interrupts(rvu);
+ return ret;
+}
+
int rvu_sso_init(struct rvu *rvu)
{
u64 iaq_free_cnt, iaq_rsvd, iaq_max, iaq_rsvd_cnt = 0;
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h
index 8fd256e..cd853da 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h
@@ -80,6 +80,14 @@ enum nix_af_int_vec_e {
NIX_AF_INT_VEC_CNT = 0x5,
};
+/* SSO Admin function Interrupt Vector Enumeration */
+enum sso_af_int_vec_e {
+ SSO_AF_INT_VEC_ERR0 = 0x0,
+ SSO_AF_INT_VEC_ERR2 = 0x1,
+ SSO_AF_INT_VEC_RAS = 0x2,
+ SSO_AF_INT_VEC_CNT = 0x3,
+};
+
/**
* RVU PF Interrupt Vector Enumeration
*/
--
2.7.4
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