[PATCH v3 1/9] drm/xe/guc: Add register defines for GuC based register capture
Zhanjun Dong
zhanjun.dong at intel.com
Fri Jan 19 00:41:55 UTC 2024
Add registers defines and list of registers for GuC based error state capture.
Signed-off-by: Zhanjun Dong <zhanjun.dong at intel.com>
---
drivers/gpu/drm/xe/Kconfig | 11 +++
drivers/gpu/drm/xe/Makefile | 1 +
drivers/gpu/drm/xe/regs/xe_engine_regs.h | 12 +++
drivers/gpu/drm/xe/regs/xe_gt_regs.h | 20 +++++
drivers/gpu/drm/xe/xe_guc.c | 5 ++
drivers/gpu/drm/xe/xe_guc_capture.c | 108 +++++++++++++++++++++++
drivers/gpu/drm/xe/xe_guc_capture.h | 15 ++++
7 files changed, 172 insertions(+)
create mode 100644 drivers/gpu/drm/xe/xe_guc_capture.c
create mode 100644 drivers/gpu/drm/xe/xe_guc_capture.h
diff --git a/drivers/gpu/drm/xe/Kconfig b/drivers/gpu/drm/xe/Kconfig
index 1b57ae38210d..236763569877 100644
--- a/drivers/gpu/drm/xe/Kconfig
+++ b/drivers/gpu/drm/xe/Kconfig
@@ -83,6 +83,17 @@ config DRM_XE_FORCE_PROBE
Use "!*" to block the probe of the driver for all known devices.
+config DRM_XE_CAPTURE_ERROR
+ bool "Enable capturing GPU state following a hang"
+ depends on DRM_XE
+ default y
+ help
+ This option enables capturing the GPU state when a hang is detected.
+ This information is vital for triaging hangs and assists in debugging.
+ Please report any hang to your Intel representative to help with triaging.
+
+ If in doubt, say "Y".
+
menu "drm/Xe Debugging"
depends on DRM_XE
depends on EXPERT
diff --git a/drivers/gpu/drm/xe/Makefile b/drivers/gpu/drm/xe/Makefile
index fe8b266a9819..6182f89a6bd5 100644
--- a/drivers/gpu/drm/xe/Makefile
+++ b/drivers/gpu/drm/xe/Makefile
@@ -92,6 +92,7 @@ xe-y += xe_bb.o \
xe_gt_topology.o \
xe_guc.o \
xe_guc_ads.o \
+ xe_guc_capture.o \
xe_guc_ct.o \
xe_guc_db_mgr.o \
xe_guc_debugfs.o \
diff --git a/drivers/gpu/drm/xe/regs/xe_engine_regs.h b/drivers/gpu/drm/xe/regs/xe_engine_regs.h
index 0b1266c88a6a..06015703a33e 100644
--- a/drivers/gpu/drm/xe/regs/xe_engine_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_engine_regs.h
@@ -64,10 +64,16 @@
#define RING_ACTHD_UDW(base) XE_REG((base) + 0x5c)
#define RING_DMA_FADD_UDW(base) XE_REG((base) + 0x60)
+#define RING_IPEIR(base) XE_REG((base) + 0x64)
#define RING_IPEHR(base) XE_REG((base) + 0x68)
+#define RING_INSTDONE(base) XE_REG((base) + 0x6c)
+#define RING_INSTPS(base) XE_REG((base) + 0x70)
+
#define RING_ACTHD(base) XE_REG((base) + 0x74)
#define RING_DMA_FADD(base) XE_REG((base) + 0x78)
#define RING_HWS_PGA(base) XE_REG((base) + 0x80)
+#define IPEIR(base) XE_REG((base) + 0x88)
+
#define RING_HWSTAM(base) XE_REG((base) + 0x98)
#define RING_MI_MODE(base) XE_REG((base) + 0x9c)
#define RING_NOPID(base) XE_REG((base) + 0x94)
@@ -111,9 +117,12 @@
#define FF_DOP_CLOCK_GATE_DISABLE REG_BIT(1)
#define REPLAY_MODE_GRANULARITY REG_BIT(0)
+#define RING_BBSTATE(base) XE_REG((base) + 0x110)
#define RING_BBADDR(base) XE_REG((base) + 0x140)
#define RING_BBADDR_UDW(base) XE_REG((base) + 0x168)
+#define CCID(base) XE_REG((base) + 0x180)
+
#define BCS_SWCTRL(base) XE_REG((base) + 0x200, XE_REG_OPTION_MASKED)
#define BCS_SWCTRL_DISABLE_256B REG_BIT(2)
@@ -129,6 +138,9 @@
#define CTX_CTRL_INHIBIT_SYN_CTX_SWITCH REG_BIT(3)
#define CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT REG_BIT(0)
+#define RING_PDP_UDW(base, n) XE_REG((base) + 0x270 + (n) * 8 + 4)
+#define RING_PDP_LDW(base, n) XE_REG((base) + 0x270 + (n) * 8)
+
#define RING_MODE(base) XE_REG((base) + 0x29c)
#define GFX_DISABLE_LEGACY_MODE REG_BIT(3)
diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
index 0d4bfc35ff37..46e3395f57ef 100644
--- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
@@ -67,6 +67,8 @@
#define VE1_AUX_INV XE_REG(0x42b8)
#define AUX_INV REG_BIT(0)
+#define AUX_ERR_DBG XE_REG(0x43f4)
+
#define XEHP_TILE_ADDR_RANGE(_idx) XE_REG_MCR(0x4900 + (_idx) * 4)
#define XEHP_FLAT_CCS_BASE_ADDR XE_REG_MCR(0x4910)
@@ -94,6 +96,8 @@
#define FF_MODE2_TDS_TIMER_MASK REG_GENMASK(23, 16)
#define FF_MODE2_TDS_TIMER_128 REG_FIELD_PREP(FF_MODE2_TDS_TIMER_MASK, 4)
+#define XEHPG_INSTDONE_GEOM_SVG XE_REG_MCR(0x666c)
+
#define CACHE_MODE_1 XE_REG(0x7004, XE_REG_OPTION_MASKED)
#define MSAA_OPTIMIZATION_REDUC_DISABLE REG_BIT(11)
@@ -110,6 +114,10 @@
#define FLSH_IGNORES_PSD REG_BIT(10)
#define FD_END_COLLECT REG_BIT(5)
+#define SC_INSTDONE XE_REG(0x7100)
+#define SC_INSTDONE_EXTRA XE_REG(0x7104)
+#define SC_INSTDONE_EXTRA2 XE_REG(0x7108)
+
#define COMMON_SLICE_CHICKEN4 XE_REG(0x7300, XE_REG_OPTION_MASKED)
#define DISABLE_TDC_LOAD_BALANCING_CALC REG_BIT(6)
@@ -299,6 +307,11 @@
#define XE2LPM_L3SQCREG5 XE_REG_MCR(0xb658)
+#define FAULT_TLB_DATA0 XE_REG(0xceb8)
+#define FAULT_TLB_DATA1 XE_REG(0xcebc)
+
+#define RING_FAULT_REG XE_REG(0xcec4)
+
#define XEHP_MERT_MOD_CTRL XE_REG_MCR(0xcf28)
#define RENDER_MOD_CTRL XE_REG_MCR(0xcf2c)
#define COMP_MOD_CTRL XE_REG_MCR(0xcf30)
@@ -317,6 +330,11 @@
#define INVALIDATION_BROADCAST_MODE_DIS REG_BIT(12)
#define GLOBAL_INVALIDATION_MODE REG_BIT(2)
+#define GAM_DONE XE_REG(0xcf68)
+
+#define SAMPLER_INSTDONE XE_REG_MCR(0xe160)
+#define ROW_INSTDONE XE_REG_MCR(0xe164)
+
#define HALF_SLICE_CHICKEN5 XE_REG_MCR(0xe188, XE_REG_OPTION_MASKED)
#define DISABLE_SAMPLE_G_PERFORMANCE REG_BIT(0)
@@ -484,6 +502,8 @@
#define GT_CS_MASTER_ERROR_INTERRUPT REG_BIT(3)
#define GT_RENDER_USER_INTERRUPT REG_BIT(0)
+#define SFC_DONE(n) XE_REG(0x1cc000 + (n) * 0x1000)
+
#define PVC_GT0_PACKAGE_ENERGY_STATUS XE_REG(0x281004)
#define PVC_GT0_PACKAGE_RAPL_LIMIT XE_REG(0x281008)
#define PVC_GT0_PACKAGE_POWER_SKU_UNIT XE_REG(0x281068)
diff --git a/drivers/gpu/drm/xe/xe_guc.c b/drivers/gpu/drm/xe/xe_guc.c
index 2891b0cc4f7f..63587db6a548 100644
--- a/drivers/gpu/drm/xe/xe_guc.c
+++ b/drivers/gpu/drm/xe/xe_guc.c
@@ -17,6 +17,7 @@
#include "xe_force_wake.h"
#include "xe_gt.h"
#include "xe_guc_ads.h"
+#include "xe_guc_capture.h"
#include "xe_guc_ct.h"
#include "xe_guc_hwconfig.h"
#include "xe_guc_log.h"
@@ -290,6 +291,10 @@ int xe_guc_init(struct xe_guc *guc)
if (ret)
goto out;
+ ret = xe_guc_capture_init(guc);
+ if (ret)
+ goto out;
+
ret = xe_guc_ads_init(&guc->ads);
if (ret)
goto out;
diff --git a/drivers/gpu/drm/xe/xe_guc_capture.c b/drivers/gpu/drm/xe/xe_guc_capture.c
new file mode 100644
index 000000000000..cacd50f4718a
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_guc_capture.c
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2021-2022 Intel Corporation
+ */
+
+#include <linux/types.h>
+
+#include <drm/drm_print.h>
+
+#include "abi/guc_actions_abi.h"
+#include "regs/xe_regs.h"
+#include "regs/xe_engine_regs.h"
+#include "regs/xe_gt_regs.h"
+#include "regs/xe_guc_regs.h"
+
+#include "xe_bo.h"
+#include "xe_device.h"
+#include "xe_exec_queue_types.h"
+#include "xe_hw_engine_types.h"
+#include "xe_gt.h"
+#include "xe_gt_printk.h"
+#include "xe_guc.h"
+#include "xe_guc_capture.h"
+#include "xe_guc_ct.h"
+
+#include "xe_guc_log.h"
+#include "xe_gt_mcr.h"
+#include "xe_guc_submit.h"
+#include "xe_macros.h"
+#include "xe_map.h"
+
+#if IS_ENABLED(CONFIG_DRM_XE_CAPTURE_ERROR)
+
+/*
+ * Define all device tables of GuC error capture register lists
+ * NOTE: For engine-registers, GuC only needs the register offsets
+ * from the engine-mmio-base
+ */
+#define COMMON_XELP_BASE_GLOBAL \
+ { FORCEWAKE_GT, 0, 0, "FORCEWAKE" }, \
+ { FAULT_TLB_DATA0, 0, 0, "FAULT_TLB_DATA0" }, \
+ { FAULT_TLB_DATA1, 0, 0, "FAULT_TLB_DATA1" }, \
+ { AUX_ERR_DBG, 0, 0, "AUX_ERR_DBG" }, \
+ { GAM_DONE, 0, 0, "GAM_DONE" }, \
+ { RING_FAULT_REG, 0, 0, "FAULT_REG" }
+
+#define COMMON_BASE_ENGINE_INSTANCE \
+ { RING_PSMI_CTL(0), 0, 0, "RC PSMI" }, \
+ { RING_ESR(0), 0, 0, "ESR" }, \
+ { RING_EMR(0), 0, 0, "EMR" }, \
+ { RING_EIR(0), 0, 0, "EIR" }, \
+ { RING_EXECLIST_STATUS_HI(0), 0, 0, "RING_EXECLIST_STATUS_HI" }, \
+ { RING_EXECLIST_STATUS_LO(0), 0, 0, "RING_EXECLIST_STATUS_LO" }, \
+ { RING_DMA_FADD(0), 0, 0, "RING_DMA_FADD_LDW" }, \
+ { RING_DMA_FADD_UDW(0), 0, 0, "RING_DMA_FADD_UDW" }, \
+ { RING_IPEIR(0), 0, 0, "IPEIR" }, \
+ { RING_IPEHR(0), 0, 0, "IPEHR" }, \
+ { RING_INSTPS(0), 0, 0, "INSTPS" }, \
+ { RING_BBADDR(0), 0, 0, "RING_BBADDR_LOW32" }, \
+ { RING_BBADDR_UDW(0), 0, 0, "RING_BBADDR_UP32" }, \
+ { RING_BBSTATE(0), 0, 0, "BB_STATE" }, \
+ { CCID(0), 0, 0, "CCID" }, \
+ { RING_ACTHD(0), 0, 0, "ACTHD_LDW" }, \
+ { RING_ACTHD_UDW(0), 0, 0, "ACTHD_UDW" }, \
+ { INSTPM(0), 0, 0, "INSTPM" }, \
+ { RING_INSTDONE(0), 0, 0, "INSTDONE" }, \
+ { RING_NOPID(0), 0, 0, "RING_NOPID" }, \
+ { RING_START(0), 0, 0, "START" }, \
+ { RING_HEAD(0), 0, 0, "HEAD" }, \
+ { RING_TAIL(0), 0, 0, "TAIL" }, \
+ { RING_CTL(0), 0, 0, "CTL" }, \
+ { RING_MI_MODE(0), 0, 0, "MODE" }, \
+ { RING_CONTEXT_CONTROL(0), 0, 0, "RING_CONTEXT_CONTROL" }, \
+ { RING_HWS_PGA(0), 0, 0, "HWS" }, \
+ { RING_MODE(0), 0, 0, "GFX_MODE" }, \
+ { RING_PDP_LDW(0, 0), 0, 0, "PDP0_LDW" }, \
+ { RING_PDP_UDW(0, 0), 0, 0, "PDP0_UDW" }, \
+ { RING_PDP_LDW(0, 1), 0, 0, "PDP1_LDW" }, \
+ { RING_PDP_UDW(0, 1), 0, 0, "PDP1_UDW" }, \
+ { RING_PDP_LDW(0, 2), 0, 0, "PDP2_LDW" }, \
+ { RING_PDP_UDW(0, 2), 0, 0, "PDP2_UDW" }, \
+ { RING_PDP_LDW(0, 3), 0, 0, "PDP3_LDW" }, \
+ { RING_PDP_UDW(0, 3), 0, 0, "PDP3_UDW" }
+
+#define COMMON_XELP_BASE_RENDER \
+ { SC_INSTDONE, 0, 0, "SC_INSTDONE" }, \
+ { SC_INSTDONE_EXTRA, 0, 0, "SC_INSTDONE_EXTRA" }, \
+ { SC_INSTDONE_EXTRA2, 0, 0, "SC_INSTDONE_EXTRA2" }
+
+#define COMMON_XELP_BASE_VEC \
+ { SFC_DONE(0), 0, 0, "SFC_DONE[0]" }, \
+ { SFC_DONE(1), 0, 0, "SFC_DONE[1]" }, \
+ { SFC_DONE(2), 0, 0, "SFC_DONE[2]" }, \
+ { SFC_DONE(3), 0, 0, "SFC_DONE[3]" }
+
+int xe_guc_capture_init(struct xe_guc *guc)
+{
+ return 0;
+}
+
+#else /* IS_ENABLED(CONFIG_DRM_XE_CAPTURE_ERROR) */
+
+int xe_guc_capture_init(struct xe_guc *guc)
+{
+ return 0;
+}
+
+#endif /* IS_ENABLED(CONFIG_DRM_XE_CAPTURE_ERROR) */
diff --git a/drivers/gpu/drm/xe/xe_guc_capture.h b/drivers/gpu/drm/xe/xe_guc_capture.h
new file mode 100644
index 000000000000..3caea2c6fffe
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_guc_capture.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2021-2021 Intel Corporation
+ */
+
+#ifndef _XE_GUC_CAPTURE_H
+#define _XE_GUC_CAPTURE_H
+
+#include <linux/types.h>
+
+struct xe_guc;
+
+int xe_guc_capture_init(struct xe_guc *guc);
+
+#endif /* _XE_GUC_CAPTURE_H */
--
2.34.1
More information about the Intel-xe
mailing list