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Date: Fri, 22 Jul 2022 16:33:37 -0700
From: Tony Luck <tony.luck@...el.com>
To: linux-edac@...r.kernel.org
Cc: Qiuxu Zhuo <qiuxu.zhuo@...el.com>, Tony Luck <tony.luck@...el.com>,
Aristeu Rozanski <aris@...hat.com>,
Borislav Petkov <bp@...en8.de>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
linux-kernel@...r.kernel.org, patches@...ts.linux.dev
Subject: [PATCH 3/4] EDAC/i10nm: Print an extra register set of retry_rd_err_log
From: Qiuxu Zhuo <qiuxu.zhuo@...el.com>
Sapphire Rapids server adds an extra register set for logging more
retry_rd_err_log data. So add code to print the extra register set.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@...el.com>
Signed-off-by: Tony Luck <tony.luck@...el.com>
---
drivers/edac/skx_common.h | 2 +
drivers/edac/i10nm_base.c | 81 +++++++++++++++++++++++++++++++++------
2 files changed, 72 insertions(+), 11 deletions(-)
diff --git a/drivers/edac/skx_common.h b/drivers/edac/skx_common.h
index dbf8e458ad2b..e7226e935718 100644
--- a/drivers/edac/skx_common.h
+++ b/drivers/edac/skx_common.h
@@ -82,6 +82,7 @@ struct skx_dev {
struct pci_dev *edev;
u32 retry_rd_err_log_s;
u32 retry_rd_err_log_d;
+ u32 retry_rd_err_log_d2;
struct skx_dimm {
u8 close_pg;
u8 bank_xor_enable;
@@ -161,6 +162,7 @@ struct res_config {
u32 *offsets_scrub_hbm0;
u32 *offsets_scrub_hbm1;
u32 *offsets_demand;
+ u32 *offsets_demand2;
u32 *offsets_demand_hbm0;
u32 *offsets_demand_hbm1;
};
diff --git a/drivers/edac/i10nm_base.c b/drivers/edac/i10nm_base.c
index 976d8e8a4d1b..610ab8cce873 100644
--- a/drivers/edac/i10nm_base.c
+++ b/drivers/edac/i10nm_base.c
@@ -81,26 +81,38 @@ static u32 offsets_scrub_spr_hbm0[] = {0x2860, 0x2854, 0x2b08, 0x2858, 0x2828,
static u32 offsets_scrub_spr_hbm1[] = {0x2c60, 0x2c54, 0x2f08, 0x2c58, 0x2c28, 0x0fa8};
static u32 offsets_demand_icx[] = {0x22e54, 0x22e60, 0x22e64, 0x22e58, 0x22e5c, 0x20ee0};
static u32 offsets_demand_spr[] = {0x22e54, 0x22e60, 0x22f10, 0x22e58, 0x22e5c, 0x20ee0};
+static u32 offsets_demand2_spr[] = {0x22c70, 0x22d80, 0x22f18, 0x22d58, 0x22c64, 0x20f10};
static u32 offsets_demand_spr_hbm0[] = {0x2a54, 0x2a60, 0x2b10, 0x2a58, 0x2a5c, 0x0ee0};
static u32 offsets_demand_spr_hbm1[] = {0x2e54, 0x2e60, 0x2f10, 0x2e58, 0x2e5c, 0x0fb0};
static void __enable_retry_rd_err_log(struct skx_imc *imc, int chan, bool enable,
- u32 *offsets_scrub, u32 *offsets_demand)
+ u32 *offsets_scrub, u32 *offsets_demand,
+ u32 *offsets_demand2)
{
- u32 s, d;
+ u32 s, d, d2;
s = I10NM_GET_REG32(imc, chan, offsets_scrub[0]);
d = I10NM_GET_REG32(imc, chan, offsets_demand[0]);
+ if (offsets_demand2)
+ d2 = I10NM_GET_REG32(imc, chan, offsets_demand2[0]);
if (enable) {
/* Save default configurations */
imc->chan[chan].retry_rd_err_log_s = s;
imc->chan[chan].retry_rd_err_log_d = d;
+ if (offsets_demand2)
+ imc->chan[chan].retry_rd_err_log_d2 = d2;
s &= ~RETRY_RD_ERR_LOG_NOOVER_UC;
s |= RETRY_RD_ERR_LOG_EN;
d &= ~RETRY_RD_ERR_LOG_NOOVER_UC;
d |= RETRY_RD_ERR_LOG_EN;
+
+ if (offsets_demand2) {
+ d2 &= ~RETRY_RD_ERR_LOG_UC;
+ d2 |= RETRY_RD_ERR_LOG_NOOVER;
+ d2 |= RETRY_RD_ERR_LOG_EN;
+ }
} else {
/* Restore default configurations */
if (imc->chan[chan].retry_rd_err_log_s & RETRY_RD_ERR_LOG_UC)
@@ -115,10 +127,21 @@ static void __enable_retry_rd_err_log(struct skx_imc *imc, int chan, bool enable
d |= RETRY_RD_ERR_LOG_NOOVER;
if (!(imc->chan[chan].retry_rd_err_log_d & RETRY_RD_ERR_LOG_EN))
d &= ~RETRY_RD_ERR_LOG_EN;
+
+ if (offsets_demand2) {
+ if (imc->chan[chan].retry_rd_err_log_d2 & RETRY_RD_ERR_LOG_UC)
+ d2 |= RETRY_RD_ERR_LOG_UC;
+ if (!(imc->chan[chan].retry_rd_err_log_d2 & RETRY_RD_ERR_LOG_NOOVER))
+ d2 &= ~RETRY_RD_ERR_LOG_NOOVER;
+ if (!(imc->chan[chan].retry_rd_err_log_d2 & RETRY_RD_ERR_LOG_EN))
+ d2 &= ~RETRY_RD_ERR_LOG_EN;
+ }
}
I10NM_SET_REG32(imc, chan, offsets_scrub[0], s);
I10NM_SET_REG32(imc, chan, offsets_demand[0], d);
+ if (offsets_demand2)
+ I10NM_SET_REG32(imc, chan, offsets_demand2[0], d2);
}
static void enable_retry_rd_err_log(bool enable)
@@ -139,14 +162,17 @@ static void enable_retry_rd_err_log(bool enable)
if (imc->hbm_mc) {
__enable_retry_rd_err_log(imc, j, enable,
res_cfg->offsets_scrub_hbm0,
- res_cfg->offsets_demand_hbm0);
+ res_cfg->offsets_demand_hbm0,
+ NULL);
__enable_retry_rd_err_log(imc, j, enable,
res_cfg->offsets_scrub_hbm1,
- res_cfg->offsets_demand_hbm1);
+ res_cfg->offsets_demand_hbm1,
+ NULL);
} else {
__enable_retry_rd_err_log(imc, j, enable,
res_cfg->offsets_scrub,
- res_cfg->offsets_demand);
+ res_cfg->offsets_demand,
+ res_cfg->offsets_demand2);
}
}
}
@@ -158,7 +184,10 @@ static void show_retry_rd_err_log(struct decoded_addr *res, char *msg,
struct skx_imc *imc = &res->dev->imc[res->imc];
u32 log0, log1, log2, log3, log4;
u32 corr0, corr1, corr2, corr3;
+ u32 lxg0, lxg1, lxg3, lxg4;
+ u32 *xffsets = NULL;
u64 log2a, log5;
+ u64 lxg2a, lxg5;
u32 *offsets;
int n, pch;
@@ -175,8 +204,12 @@ static void show_retry_rd_err_log(struct decoded_addr *res, char *msg,
offsets = scrub_err ? res_cfg->offsets_scrub_hbm0 :
res_cfg->offsets_demand_hbm0;
} else {
- offsets = scrub_err ? res_cfg->offsets_scrub :
- res_cfg->offsets_demand;
+ if (scrub_err) {
+ offsets = res_cfg->offsets_scrub;
+ } else {
+ offsets = res_cfg->offsets_demand;
+ xffsets = res_cfg->offsets_demand2;
+ }
}
log0 = I10NM_GET_REG32(imc, res->channel, offsets[0]);
@@ -185,10 +218,28 @@ static void show_retry_rd_err_log(struct decoded_addr *res, char *msg,
log4 = I10NM_GET_REG32(imc, res->channel, offsets[4]);
log5 = I10NM_GET_REG64(imc, res->channel, offsets[5]);
+ if (xffsets) {
+ lxg0 = I10NM_GET_REG32(imc, res->channel, xffsets[0]);
+ lxg1 = I10NM_GET_REG32(imc, res->channel, xffsets[1]);
+ lxg3 = I10NM_GET_REG32(imc, res->channel, xffsets[3]);
+ lxg4 = I10NM_GET_REG32(imc, res->channel, xffsets[4]);
+ lxg5 = I10NM_GET_REG64(imc, res->channel, xffsets[5]);
+ }
+
if (res_cfg->type == SPR) {
log2a = I10NM_GET_REG64(imc, res->channel, offsets[2]);
- n = snprintf(msg, len, " retry_rd_err_log[%.8x %.8x %.16llx %.8x %.8x %.16llx]",
+ n = snprintf(msg, len, " retry_rd_err_log[%.8x %.8x %.16llx %.8x %.8x %.16llx",
log0, log1, log2a, log3, log4, log5);
+
+ if (len - n > 0) {
+ if (xffsets) {
+ lxg2a = I10NM_GET_REG64(imc, res->channel, xffsets[2]);
+ n += snprintf(msg + n, len - n, " %.8x %.8x %.16llx %.8x %.8x %.16llx]",
+ lxg0, lxg1, lxg2a, lxg3, lxg4, lxg5);
+ } else {
+ n += snprintf(msg + n, len - n, "]");
+ }
+ }
} else {
log2 = I10NM_GET_REG32(imc, res->channel, offsets[2]);
n = snprintf(msg, len, " retry_rd_err_log[%.8x %.8x %.8x %.8x %.8x %.16llx]",
@@ -223,9 +274,16 @@ static void show_retry_rd_err_log(struct decoded_addr *res, char *msg,
corr3 & 0xffff, corr3 >> 16);
/* Clear status bits */
- if (retry_rd_err_log == 2 && (log0 & RETRY_RD_ERR_LOG_OVER_UC_V)) {
- log0 &= ~RETRY_RD_ERR_LOG_OVER_UC_V;
- I10NM_SET_REG32(imc, res->channel, offsets[0], log0);
+ if (retry_rd_err_log == 2) {
+ if (log0 & RETRY_RD_ERR_LOG_OVER_UC_V) {
+ log0 &= ~RETRY_RD_ERR_LOG_OVER_UC_V;
+ I10NM_SET_REG32(imc, res->channel, offsets[0], log0);
+ }
+
+ if (xffsets && (lxg0 & RETRY_RD_ERR_LOG_OVER_UC_V)) {
+ lxg0 &= ~RETRY_RD_ERR_LOG_OVER_UC_V;
+ I10NM_SET_REG32(imc, res->channel, xffsets[0], lxg0);
+ }
}
}
@@ -469,6 +527,7 @@ static struct res_config spr_cfg = {
.offsets_scrub_hbm0 = offsets_scrub_spr_hbm0,
.offsets_scrub_hbm1 = offsets_scrub_spr_hbm1,
.offsets_demand = offsets_demand_spr,
+ .offsets_demand2 = offsets_demand2_spr,
.offsets_demand_hbm0 = offsets_demand_spr_hbm0,
.offsets_demand_hbm1 = offsets_demand_spr_hbm1,
};
--
2.35.3
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