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Message-Id: <20221027104239.1691549-1-jacob.e.keller@intel.com>
Date: Thu, 27 Oct 2022 03:42:39 -0700
From: Jacob Keller <jacob.e.keller@...el.com>
To: Jakub Kicinski <kuba@...nel.org>,
David Miller <davem@...emloft.net>
Cc: netdev@...r.kernel.org, Lukasz Czapnik <lukasz.czapnik@...el.com>,
Mateusz Palczewski <mateusz.palczewski@...el.com>,
Gurucharan <gurucharanx.g@...el.com>
Subject: [PATCH net-next v2] ice: Add additional CSR registers to ETHTOOL_GREGS
From: Lukasz Czapnik <lukasz.czapnik@...el.com>
In the event of a Tx hang it can be useful to read a variety of hardware
registers to capture some state about why the transmit queue got stuck.
Extend the ETHTOOL_GREGS dump provided by the ice driver with several CSR
registers that provide such relevant information regarding the hardware Tx
state. This enables capturing relevant data to enable debugging such a Tx
hang.
Signed-off-by: Lukasz Czapnik <lukasz.czapnik@...el.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@...el.com>
Tested-by: Gurucharan <gurucharanx.g@...el.com> (A Contingent worker at Intel)
---
Changes since v1:
* Improved the commit message as suggested by Maciej Fijalkowski
drivers/net/ethernet/intel/ice/ice_ethtool.c | 169 +++++++++++++++++++
1 file changed, 169 insertions(+)
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index b7be84bbe72d..f71a7521c7bd 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -151,6 +151,175 @@ static const u32 ice_regs_dump_list[] = {
QINT_RQCTL(0),
PFINT_OICR_ENA,
QRX_ITR(0),
+#define GLDCB_TLPM_PCI_DM 0x000A0180
+ GLDCB_TLPM_PCI_DM,
+#define GLDCB_TLPM_TC2PFC 0x000A0194
+ GLDCB_TLPM_TC2PFC,
+#define TCDCB_TLPM_WAIT_DM(_i) (0x000A0080 + ((_i) * 4))
+ TCDCB_TLPM_WAIT_DM(0),
+ TCDCB_TLPM_WAIT_DM(1),
+ TCDCB_TLPM_WAIT_DM(2),
+ TCDCB_TLPM_WAIT_DM(3),
+ TCDCB_TLPM_WAIT_DM(4),
+ TCDCB_TLPM_WAIT_DM(5),
+ TCDCB_TLPM_WAIT_DM(6),
+ TCDCB_TLPM_WAIT_DM(7),
+ TCDCB_TLPM_WAIT_DM(8),
+ TCDCB_TLPM_WAIT_DM(9),
+ TCDCB_TLPM_WAIT_DM(10),
+ TCDCB_TLPM_WAIT_DM(11),
+ TCDCB_TLPM_WAIT_DM(12),
+ TCDCB_TLPM_WAIT_DM(13),
+ TCDCB_TLPM_WAIT_DM(14),
+ TCDCB_TLPM_WAIT_DM(15),
+ TCDCB_TLPM_WAIT_DM(16),
+ TCDCB_TLPM_WAIT_DM(17),
+ TCDCB_TLPM_WAIT_DM(18),
+ TCDCB_TLPM_WAIT_DM(19),
+ TCDCB_TLPM_WAIT_DM(20),
+ TCDCB_TLPM_WAIT_DM(21),
+ TCDCB_TLPM_WAIT_DM(22),
+ TCDCB_TLPM_WAIT_DM(23),
+ TCDCB_TLPM_WAIT_DM(24),
+ TCDCB_TLPM_WAIT_DM(25),
+ TCDCB_TLPM_WAIT_DM(26),
+ TCDCB_TLPM_WAIT_DM(27),
+ TCDCB_TLPM_WAIT_DM(28),
+ TCDCB_TLPM_WAIT_DM(29),
+ TCDCB_TLPM_WAIT_DM(30),
+ TCDCB_TLPM_WAIT_DM(31),
+#define GLPCI_WATMK_CLNT_PIPEMON 0x000BFD90
+ GLPCI_WATMK_CLNT_PIPEMON,
+#define GLPCI_CUR_CLNT_COMMON 0x000BFD84
+ GLPCI_CUR_CLNT_COMMON,
+#define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88
+ GLPCI_CUR_CLNT_PIPEMON,
+#define GLPCI_PCIERR 0x0009DEB0
+ GLPCI_PCIERR,
+#define GLPSM_DEBUG_CTL_STATUS 0x000B0600
+ GLPSM_DEBUG_CTL_STATUS,
+#define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680
+ GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT,
+#define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684
+ GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT,
+#define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688
+ GLPSM0_DEBUG_DT_OUT_OF_WINDOW,
+#define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C
+ GLPSM0_DEBUG_INTF_HW_ERROR_DETECT,
+#define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0
+ GLPSM0_DEBUG_MISC_HW_ERROR_DETECT,
+#define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80
+ GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT,
+#define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84
+ GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT,
+#define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88
+ GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT,
+#define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C
+ GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT,
+#define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90
+ GLPSM1_DEBUG_MISC_HW_ERROR_DETECT,
+#define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680
+ GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT,
+#define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684
+ GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT,
+#define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688
+ GLPSM2_DEBUG_MISC_HW_ERROR_DETECT,
+#define GLTDPU_TCLAN_COMP_BOB(_i) (0x00049ADC + ((_i) * 4))
+ GLTDPU_TCLAN_COMP_BOB(1),
+ GLTDPU_TCLAN_COMP_BOB(2),
+ GLTDPU_TCLAN_COMP_BOB(3),
+ GLTDPU_TCLAN_COMP_BOB(4),
+ GLTDPU_TCLAN_COMP_BOB(5),
+ GLTDPU_TCLAN_COMP_BOB(6),
+ GLTDPU_TCLAN_COMP_BOB(7),
+ GLTDPU_TCLAN_COMP_BOB(8),
+#define GLTDPU_TCB_CMD_BOB(_i) (0x0004975C + ((_i) * 4))
+ GLTDPU_TCB_CMD_BOB(1),
+ GLTDPU_TCB_CMD_BOB(2),
+ GLTDPU_TCB_CMD_BOB(3),
+ GLTDPU_TCB_CMD_BOB(4),
+ GLTDPU_TCB_CMD_BOB(5),
+ GLTDPU_TCB_CMD_BOB(6),
+ GLTDPU_TCB_CMD_BOB(7),
+ GLTDPU_TCB_CMD_BOB(8),
+#define GLTDPU_PSM_UPDATE_BOB(_i) (0x00049B5C + ((_i) * 4))
+ GLTDPU_PSM_UPDATE_BOB(1),
+ GLTDPU_PSM_UPDATE_BOB(2),
+ GLTDPU_PSM_UPDATE_BOB(3),
+ GLTDPU_PSM_UPDATE_BOB(4),
+ GLTDPU_PSM_UPDATE_BOB(5),
+ GLTDPU_PSM_UPDATE_BOB(6),
+ GLTDPU_PSM_UPDATE_BOB(7),
+ GLTDPU_PSM_UPDATE_BOB(8),
+#define GLTCB_CMD_IN_BOB(_i) (0x000AE288 + ((_i) * 4))
+ GLTCB_CMD_IN_BOB(1),
+ GLTCB_CMD_IN_BOB(2),
+ GLTCB_CMD_IN_BOB(3),
+ GLTCB_CMD_IN_BOB(4),
+ GLTCB_CMD_IN_BOB(5),
+ GLTCB_CMD_IN_BOB(6),
+ GLTCB_CMD_IN_BOB(7),
+ GLTCB_CMD_IN_BOB(8),
+#define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i) (0x000FC148 + ((_i) * 4))
+ GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1),
+ GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2),
+ GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3),
+ GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4),
+ GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5),
+ GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6),
+ GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7),
+ GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8),
+#define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4))
+ GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1),
+ GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2),
+ GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3),
+ GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4),
+ GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5),
+ GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6),
+ GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7),
+ GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8),
+#define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i) (0x000FC1C8 + ((_i) * 4))
+ GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1),
+ GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2),
+ GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3),
+ GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4),
+ GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5),
+ GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6),
+ GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7),
+ GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8),
+#define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i) (0x000FC188 + ((_i) * 4))
+ GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1),
+ GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2),
+ GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3),
+ GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4),
+ GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5),
+ GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6),
+ GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7),
+ GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8),
+#define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4))
+ GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1),
+ GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2),
+ GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3),
+ GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4),
+ GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5),
+ GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6),
+ GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7),
+ GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8),
+#define PRTDCB_TCUPM_REG_CM(_i) (0x000BC360 + ((_i) * 4))
+ PRTDCB_TCUPM_REG_CM(0),
+ PRTDCB_TCUPM_REG_CM(1),
+ PRTDCB_TCUPM_REG_CM(2),
+ PRTDCB_TCUPM_REG_CM(3),
+#define PRTDCB_TCUPM_REG_DM(_i) (0x000BC3A0 + ((_i) * 4))
+ PRTDCB_TCUPM_REG_DM(0),
+ PRTDCB_TCUPM_REG_DM(1),
+ PRTDCB_TCUPM_REG_DM(2),
+ PRTDCB_TCUPM_REG_DM(3),
+#define PRTDCB_TLPM_REG_DM(_i) (0x000A0000 + ((_i) * 4))
+ PRTDCB_TLPM_REG_DM(0),
+ PRTDCB_TLPM_REG_DM(1),
+ PRTDCB_TLPM_REG_DM(2),
+ PRTDCB_TLPM_REG_DM(3),
};
struct ice_priv_flag {
base-commit: 330543d04f2c9c5924736d81f67b50b925bd0864
--
2.38.0.83.gd420dda05763
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