redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

qed: suppress false-positives interrupt error messages on HW init 

It was found that qed_pglueb_rbc_attn_handler() can produce a lot of
false-positive error detections on driver load/reload (especially after
crashes/recoveries) and spam the kernel log:

[    4.958275] [qed_pglueb_rbc_attn_handler:324()]ICPL error - 00d00ff0
[ 2079.146764] [qed_pglueb_rbc_attn_handler:324()]ICPL error - 00d80ff0
[ 2116.374631] [qed_pglueb_rbc_attn_handler:324()]ICPL error - 00d80ff0
[ 2135.250564] [qed_pglueb_rbc_attn_handler:324()]ICPL error - 00d80ff0
[...]

Reduce the logging level of two false-positive prone error messages from
notice to verbose on initialization (only) to not mix it with real error
attentions while debugging.

Fixes: 666db4862f ("qed: Revise load sequence to avoid PCI errors")
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
zero-sugar-mainline-defconfig
Alexander Lobakin 2020-07-21 17:41:43 +03:00 committed by David S. Miller
parent 1ea999039f
commit eb61c2d699
3 changed files with 32 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/qlogic/qed/qed_dev.c
View File

@ -3102,7 +3102,7 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
}
/* Log and clear previous pglue_b errors if such exist */
qed_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_main_ptt);
qed_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_main_ptt, true);
/* Enable the PF's internal FID_enable in the PXP */
rc = qed_pglueb_set_pfid_enable(p_hwfn, p_hwfn->p_main_ptt,

50
drivers/net/ethernet/qlogic/qed/qed_int.c
View File

@ -257,9 +257,10 @@ out:
#define PGLUE_ATTENTION_ZLR_VALID (1 << 25)
#define PGLUE_ATTENTION_ILT_VALID (1 << 23)
int qed_pglueb_rbc_attn_handler(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt)
int qed_pglueb_rbc_attn_handler(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
bool hw_init)
{
char msg[256];
u32 tmp;
tmp = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_TX_ERR_WR_DETAILS2);
@ -273,22 +274,23 @@ int qed_pglueb_rbc_attn_handler(struct qed_hwfn *p_hwfn,
details = qed_rd(p_hwfn, p_ptt,
PGLUE_B_REG_TX_ERR_WR_DETAILS);
DP_NOTICE(p_hwfn,
"Illegal write by chip to [%08x:%08x] blocked.\n"
"Details: %08x [PFID %02x, VFID %02x, VF_VALID %02x]\n"
"Details2 %08x [Was_error %02x BME deassert %02x FID_enable deassert %02x]\n",
addr_hi, addr_lo, details,
(u8)GET_FIELD(details, PGLUE_ATTENTION_DETAILS_PFID),
(u8)GET_FIELD(details, PGLUE_ATTENTION_DETAILS_VFID),
GET_FIELD(details,
PGLUE_ATTENTION_DETAILS_VF_VALID) ? 1 : 0,
tmp,
GET_FIELD(tmp,
PGLUE_ATTENTION_DETAILS2_WAS_ERR) ? 1 : 0,
GET_FIELD(tmp,
PGLUE_ATTENTION_DETAILS2_BME) ? 1 : 0,
GET_FIELD(tmp,
PGLUE_ATTENTION_DETAILS2_FID_EN) ? 1 : 0);
snprintf(msg, sizeof(msg),
"Illegal write by chip to [%08x:%08x] blocked.\n"
"Details: %08x [PFID %02x, VFID %02x, VF_VALID %02x]\n"
"Details2 %08x [Was_error %02x BME deassert %02x FID_enable deassert %02x]",
addr_hi, addr_lo, details,
(u8)GET_FIELD(details, PGLUE_ATTENTION_DETAILS_PFID),
(u8)GET_FIELD(details, PGLUE_ATTENTION_DETAILS_VFID),
!!GET_FIELD(details, PGLUE_ATTENTION_DETAILS_VF_VALID),
tmp,
!!GET_FIELD(tmp, PGLUE_ATTENTION_DETAILS2_WAS_ERR),
!!GET_FIELD(tmp, PGLUE_ATTENTION_DETAILS2_BME),
!!GET_FIELD(tmp, PGLUE_ATTENTION_DETAILS2_FID_EN));
if (hw_init)
DP_VERBOSE(p_hwfn, NETIF_MSG_INTR, "%s\n", msg);
else
DP_NOTICE(p_hwfn, "%s\n", msg);
}
tmp = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_TX_ERR_RD_DETAILS2);
@ -321,8 +323,14 @@ int qed_pglueb_rbc_attn_handler(struct qed_hwfn *p_hwfn,
}
tmp = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_TX_ERR_WR_DETAILS_ICPL);
if (tmp & PGLUE_ATTENTION_ICPL_VALID)
DP_NOTICE(p_hwfn, "ICPL error - %08x\n", tmp);
if (tmp & PGLUE_ATTENTION_ICPL_VALID) {
snprintf(msg, sizeof(msg), "ICPL error - %08x", tmp);
if (hw_init)
DP_VERBOSE(p_hwfn, NETIF_MSG_INTR, "%s\n", msg);
else
DP_NOTICE(p_hwfn, "%s\n", msg);
}
tmp = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_MASTER_ZLR_ERR_DETAILS);
if (tmp & PGLUE_ATTENTION_ZLR_VALID) {
@ -361,7 +369,7 @@ int qed_pglueb_rbc_attn_handler(struct qed_hwfn *p_hwfn,
static int qed_pglueb_rbc_attn_cb(struct qed_hwfn *p_hwfn)
{
return qed_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_dpc_ptt);
return qed_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_dpc_ptt, false);
}
static int qed_fw_assertion(struct qed_hwfn *p_hwfn)

4
drivers/net/ethernet/qlogic/qed/qed_int.h
View File

@ -442,7 +442,7 @@ int qed_int_set_timer_res(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
#define QED_MAPPING_MEMORY_SIZE(dev) (NUM_OF_SBS(dev))
int qed_pglueb_rbc_attn_handler(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt);
int qed_pglueb_rbc_attn_handler(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
bool hw_init);
#endif