@@ -192,7 +192,8 @@ i915-y += \
gt/uc/intel_gsc_fw.o \
gt/uc/intel_gsc_proxy.o \
gt/uc/intel_gsc_uc.o \
- gt/uc/intel_gsc_uc_heci_cmd_submit.o\
+ gt/uc/intel_gsc_uc_debugfs.o \
+ gt/uc/intel_gsc_uc_heci_cmd_submit.o \
gt/uc/intel_guc.o \
gt/uc/intel_guc_ads.o \
gt/uc/intel_guc_capture.o \
@@ -12,19 +12,14 @@
#include "intel_gsc_binary_headers.h"
#include "intel_gsc_fw.h"
#include "intel_gsc_uc_heci_cmd_submit.h"
-
-#define GSC_FW_STATUS_REG _MMIO(0x116C40)
-#define GSC_FW_CURRENT_STATE REG_GENMASK(3, 0)
-#define GSC_FW_CURRENT_STATE_RESET 0
-#define GSC_FW_PROXY_STATE_NORMAL 5
-#define GSC_FW_INIT_COMPLETE_BIT REG_BIT(9)
+#include "i915_reg.h"
static bool gsc_is_in_reset(struct intel_uncore *uncore)
{
- u32 fw_status = intel_uncore_read(uncore, GSC_FW_STATUS_REG);
+ u32 fw_status = intel_uncore_read(uncore, HECI_FWSTS(MTL_GSC_HECI1_BASE, 1));
- return REG_FIELD_GET(GSC_FW_CURRENT_STATE, fw_status) ==
- GSC_FW_CURRENT_STATE_RESET;
+ return REG_FIELD_GET(HECI1_FWSTS1_CURRENT_STATE, fw_status) ==
+ HECI1_FWSTS1_CURRENT_STATE_RESET;
}
static u32 gsc_uc_get_fw_status(struct intel_uncore *uncore)
@@ -33,21 +28,22 @@ static u32 gsc_uc_get_fw_status(struct intel_uncore *uncore)
u32 fw_status = 0;
with_intel_runtime_pm(uncore->rpm, wakeref)
- fw_status = intel_uncore_read(uncore, GSC_FW_STATUS_REG);
+ fw_status = intel_uncore_read(uncore, HECI_FWSTS(MTL_GSC_HECI1_BASE, 1));
return fw_status;
}
bool intel_gsc_uc_fw_proxy_init_done(struct intel_gsc_uc *gsc)
{
- return REG_FIELD_GET(GSC_FW_CURRENT_STATE,
+ return REG_FIELD_GET(HECI1_FWSTS1_CURRENT_STATE,
gsc_uc_get_fw_status(gsc_uc_to_gt(gsc)->uncore)) ==
- GSC_FW_PROXY_STATE_NORMAL;
+ HECI1_FWSTS1_PROXY_STATE_NORMAL;
}
bool intel_gsc_uc_fw_init_done(struct intel_gsc_uc *gsc)
{
- return gsc_uc_get_fw_status(gsc_uc_to_gt(gsc)->uncore) & GSC_FW_INIT_COMPLETE_BIT;
+ return gsc_uc_get_fw_status(gsc_uc_to_gt(gsc)->uncore) &
+ HECI1_FWSTS1_INIT_COMPLETE;
}
static inline u32 cpd_entry_offset(const struct intel_gsc_cpd_entry *entry)
@@ -298,9 +294,9 @@ static int gsc_fw_load_prepare(struct intel_gsc_uc *gsc)
static int gsc_fw_wait(struct intel_gt *gt)
{
return intel_wait_for_register(gt->uncore,
- GSC_FW_STATUS_REG,
- GSC_FW_INIT_COMPLETE_BIT,
- GSC_FW_INIT_COMPLETE_BIT,
+ HECI_FWSTS(MTL_GSC_HECI1_BASE, 1),
+ HECI1_FWSTS1_INIT_COMPLETE,
+ HECI1_FWSTS1_INIT_COMPLETE,
500);
}
@@ -7,10 +7,11 @@
#include "gt/intel_gt.h"
#include "gt/intel_gt_print.h"
-#include "intel_gsc_uc.h"
#include "intel_gsc_fw.h"
-#include "i915_drv.h"
#include "intel_gsc_proxy.h"
+#include "intel_gsc_uc.h"
+#include "i915_drv.h"
+#include "i915_reg.h"
static void gsc_work(struct work_struct *work)
{
@@ -304,3 +305,45 @@ void intel_gsc_uc_load_start(struct intel_gsc_uc *gsc)
queue_work(gsc->wq, &gsc->work);
}
+
+void intel_gsc_uc_load_status(struct intel_gsc_uc *gsc, struct drm_printer *p)
+{
+ struct intel_gt *gt = gsc_uc_to_gt(gsc);
+ struct intel_uncore *uncore = gt->uncore;
+ intel_wakeref_t wakeref;
+
+ if (!intel_gsc_uc_is_supported(gsc)) {
+ drm_printf(p, "GSC not supported\n");
+ return;
+ }
+
+ if (!intel_gsc_uc_is_wanted(gsc)) {
+ drm_printf(p, "GSC disabled\n");
+ return;
+ }
+
+ drm_printf(p, "GSC firmware: %s\n", gsc->fw.file_selected.path);
+ if (gsc->fw.file_selected.path != gsc->fw.file_wanted.path)
+ drm_printf(p, "GSC firmware wanted: %s\n", gsc->fw.file_wanted.path);
+ drm_printf(p, "\tstatus: %s\n", intel_uc_fw_status_repr(gsc->fw.status));
+
+ drm_printf(p, "Release: %u.%u.%u.%u\n",
+ gsc->release.major, gsc->release.minor,
+ gsc->release.patch, gsc->release.build);
+
+ drm_printf(p, "Compatibility Version: %u.%u [min expected %u.%u]\n",
+ gsc->fw.file_selected.ver.major, gsc->fw.file_selected.ver.minor,
+ gsc->fw.file_wanted.ver.major, gsc->fw.file_wanted.ver.minor);
+
+ drm_printf(p, "SVN: %u\n", gsc->security_version);
+
+ with_intel_runtime_pm(uncore->rpm, wakeref) {
+ u32 i;
+
+ for (i = 1; i <= 6; i++) {
+ u32 status = intel_uncore_read(uncore,
+ HECI_FWSTS(MTL_GSC_HECI1_BASE, i));
+ drm_printf(p, "HECI1 FWSTST%u = 0x%08x\n", i, status);
+ }
+ }
+}
@@ -8,6 +8,7 @@
#include "intel_uc_fw.h"
+struct drm_printer;
struct i915_vma;
struct intel_context;
struct i915_gsc_proxy_component;
@@ -63,6 +64,7 @@ void intel_gsc_uc_suspend(struct intel_gsc_uc *gsc);
void intel_gsc_uc_resume(struct intel_gsc_uc *gsc);
void intel_gsc_uc_flush_work(struct intel_gsc_uc *gsc);
void intel_gsc_uc_load_start(struct intel_gsc_uc *gsc);
+void intel_gsc_uc_load_status(struct intel_gsc_uc *gsc, struct drm_printer *p);
static inline bool intel_gsc_uc_is_supported(struct intel_gsc_uc *gsc)
{
new file mode 100644
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#include <drm/drm_print.h>
+
+#include "gt/intel_gt.h"
+#include "gt/intel_gt_debugfs.h"
+#include "gt/intel_gt_print.h"
+#include "intel_gsc_uc.h"
+#include "intel_gsc_uc_debugfs.h"
+#include "i915_drv.h"
+
+static int gsc_info_show(struct seq_file *m, void *data)
+{
+ struct drm_printer p = drm_seq_file_printer(m);
+ struct intel_gsc_uc *gsc = m->private;
+
+ if (!intel_gsc_uc_is_supported(gsc))
+ return -ENODEV;
+
+ intel_gsc_uc_load_status(gsc, &p);
+
+ return 0;
+}
+DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(gsc_info);
+
+void intel_gsc_uc_debugfs_register(struct intel_gsc_uc *gsc_uc, struct dentry *root)
+{
+ static const struct intel_gt_debugfs_file files[] = {
+ { "gsc_info", &gsc_info_fops, NULL },
+ };
+
+ if (!intel_gsc_uc_is_supported(gsc_uc))
+ return;
+
+ intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), gsc_uc);
+}
new file mode 100644
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef DEBUGFS_GSC_UC_H
+#define DEBUGFS_GSC_UC_H
+
+struct intel_gsc_uc;
+struct dentry;
+
+void intel_gsc_uc_debugfs_register(struct intel_gsc_uc *gsc, struct dentry *root);
+
+#endif /* DEBUGFS_GSC_UC_H */
@@ -308,9 +308,9 @@ void intel_huc_init_early(struct intel_huc *huc)
huc->status[INTEL_HUC_AUTH_BY_GSC].mask = HUC_LOAD_SUCCESSFUL;
huc->status[INTEL_HUC_AUTH_BY_GSC].value = HUC_LOAD_SUCCESSFUL;
} else {
- huc->status[INTEL_HUC_AUTH_BY_GSC].reg = HECI_FWSTS5(MTL_GSC_HECI1_BASE);
- huc->status[INTEL_HUC_AUTH_BY_GSC].mask = HECI_FWSTS5_HUC_AUTH_DONE;
- huc->status[INTEL_HUC_AUTH_BY_GSC].value = HECI_FWSTS5_HUC_AUTH_DONE;
+ huc->status[INTEL_HUC_AUTH_BY_GSC].reg = HECI_FWSTS(MTL_GSC_HECI1_BASE, 5);
+ huc->status[INTEL_HUC_AUTH_BY_GSC].mask = HECI1_FWSTS5_HUC_AUTH_DONE;
+ huc->status[INTEL_HUC_AUTH_BY_GSC].value = HECI1_FWSTS5_HUC_AUTH_DONE;
}
}
@@ -10,6 +10,7 @@
#include "gt/intel_gt_debugfs.h"
#include "intel_guc_debugfs.h"
+#include "intel_gsc_uc_debugfs.h"
#include "intel_huc_debugfs.h"
#include "intel_uc.h"
#include "intel_uc_debugfs.h"
@@ -58,6 +59,7 @@ void intel_uc_debugfs_register(struct intel_uc *uc, struct dentry *gt_root)
intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), uc);
+ intel_gsc_uc_debugfs_register(&uc->gsc, root);
intel_guc_debugfs_register(&uc->guc, root);
intel_huc_debugfs_register(&uc->huc, root);
}
@@ -941,8 +941,30 @@
#define HECI_H_GS1(base) _MMIO((base) + 0xc4c)
#define HECI_H_GS1_ER_PREP REG_BIT(0)
-#define HECI_FWSTS5(base) _MMIO((base) + 0xc68)
-#define HECI_FWSTS5_HUC_AUTH_DONE (1 << 19)
+/*
+ * The FWSTS register values are FW defined and can be different between
+ * HECI1 and HECI2
+ */
+#define HECI_FWSTS1 0xc40
+#define HECI1_FWSTS1_CURRENT_STATE REG_GENMASK(3, 0)
+#define HECI1_FWSTS1_CURRENT_STATE_RESET 0
+#define HECI1_FWSTS1_PROXY_STATE_NORMAL 5
+#define HECI1_FWSTS1_INIT_COMPLETE REG_BIT(9)
+#define HECI_FWSTS2 0xc48
+#define HECI_FWSTS3 0xc60
+#define HECI_FWSTS4 0xc64
+#define HECI_FWSTS5 0xc68
+#define HECI1_FWSTS5_HUC_AUTH_DONE (1 << 19)
+#define HECI_FWSTS6 0xc6c
+
+/* the FWSTS regs are 1-based, so we use -base for index 0 to get an invalid reg */
+#define HECI_FWSTS(base, x) _MMIO((base) + _PICK(x, -(base), \
+ HECI_FWSTS1, \
+ HECI_FWSTS2, \
+ HECI_FWSTS3, \
+ HECI_FWSTS4, \
+ HECI_FWSTS5, \
+ HECI_FWSTS6))
#define HSW_GTT_CACHE_EN _MMIO(0x4024)
#define GTT_CACHE_EN_ALL 0xF0007FFF