drm/nouveau/acr: implement new subdev to replace "secure boot"

ACR is responsible for managing the firmware for LS (Low Secure) falcons,
this was previously handled in the driver by SECBOOT.

This rewrite started from some test code that attempted to replicate the
procedure RM uses in order to debug early Turing ACR firmwares that were
provided by NVIDIA for development.

Compared with SECBOOT, the code is structured into more individual steps,
with the aim of making the process easier to follow/debug, whilst making
it possible to support newer firmware versions that may have a different
binary format or API interface.

The HS (High Secure) binary(s) are now booted earlier in device init, to
match the behaviour of RM, whereas SECBOOT would delay this until we try
to boot the first LS falcon.

There's also additional debugging features available, with the intention
of making it easier to solve issues during FW/HW bring-up in the future.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

3 files changed, 283 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/nvfw/Kbuild b/drivers/gpu/drm/nouveau/nvkm/nvfw/Kbuild
index eeff6b4c70b3..41d75f98e603 100644
--- a/drivers/gpu/drm/nouveau/nvkm/nvfw/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/nvfw/Kbuild
@@ -2,3 +2,6 @@
 nvkm-y += nvkm/nvfw/fw.o
 nvkm-y += nvkm/nvfw/hs.o
 nvkm-y += nvkm/nvfw/ls.o
+
+nvkm-y += nvkm/nvfw/acr.o
+nvkm-y += nvkm/nvfw/flcn.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/nvfw/acr.c b/drivers/gpu/drm/nouveau/nvkm/nvfw/acr.c
new file mode 100644
index 000000000000..0d063b8317f7
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/nvfw/acr.c
@@ -0,0 +1,165 @@
+/*
+ * Copyright 2019 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include <core/subdev.h>
+#include <nvfw/acr.h>
+
+void
+wpr_header_dump(struct nvkm_subdev *subdev, const struct wpr_header *hdr)
+{
+	nvkm_debug(subdev, "wprHeader\n");
+	nvkm_debug(subdev, "\tfalconID      : %d\n", hdr->falcon_id);
+	nvkm_debug(subdev, "\tlsbOffset     : 0x%x\n", hdr->lsb_offset);
+	nvkm_debug(subdev, "\tbootstrapOwner: %d\n", hdr->bootstrap_owner);
+	nvkm_debug(subdev, "\tlazyBootstrap : %d\n", hdr->lazy_bootstrap);
+	nvkm_debug(subdev, "\tstatus        : %d\n", hdr->status);
+}
+
+void
+wpr_header_v1_dump(struct nvkm_subdev *subdev, const struct wpr_header_v1 *hdr)
+{
+	nvkm_debug(subdev, "wprHeader\n");
+	nvkm_debug(subdev, "\tfalconID      : %d\n", hdr->falcon_id);
+	nvkm_debug(subdev, "\tlsbOffset     : 0x%x\n", hdr->lsb_offset);
+	nvkm_debug(subdev, "\tbootstrapOwner: %d\n", hdr->bootstrap_owner);
+	nvkm_debug(subdev, "\tlazyBootstrap : %d\n", hdr->lazy_bootstrap);
+	nvkm_debug(subdev, "\tbinVersion    : %d\n", hdr->bin_version);
+	nvkm_debug(subdev, "\tstatus        : %d\n", hdr->status);
+}
+
+void
+lsb_header_tail_dump(struct nvkm_subdev *subdev,
+			struct lsb_header_tail *hdr)
+{
+	nvkm_debug(subdev, "lsbHeader\n");
+	nvkm_debug(subdev, "\tucodeOff      : 0x%x\n", hdr->ucode_off);
+	nvkm_debug(subdev, "\tucodeSize     : 0x%x\n", hdr->ucode_size);
+	nvkm_debug(subdev, "\tdataSize      : 0x%x\n", hdr->data_size);
+	nvkm_debug(subdev, "\tblCodeSize    : 0x%x\n", hdr->bl_code_size);
+	nvkm_debug(subdev, "\tblImemOff     : 0x%x\n", hdr->bl_imem_off);
+	nvkm_debug(subdev, "\tblDataOff     : 0x%x\n", hdr->bl_data_off);
+	nvkm_debug(subdev, "\tblDataSize    : 0x%x\n", hdr->bl_data_size);
+	nvkm_debug(subdev, "\tappCodeOff    : 0x%x\n", hdr->app_code_off);
+	nvkm_debug(subdev, "\tappCodeSize   : 0x%x\n", hdr->app_code_size);
+	nvkm_debug(subdev, "\tappDataOff    : 0x%x\n", hdr->app_data_off);
+	nvkm_debug(subdev, "\tappDataSize   : 0x%x\n", hdr->app_data_size);
+	nvkm_debug(subdev, "\tflags         : 0x%x\n", hdr->flags);
+}
+
+void
+lsb_header_dump(struct nvkm_subdev *subdev, struct lsb_header *hdr)
+{
+	lsb_header_tail_dump(subdev, &hdr->tail);
+}
+
+void
+lsb_header_v1_dump(struct nvkm_subdev *subdev, struct lsb_header_v1 *hdr)
+{
+	lsb_header_tail_dump(subdev, &hdr->tail);
+}
+
+void
+flcn_acr_desc_dump(struct nvkm_subdev *subdev, struct flcn_acr_desc *hdr)
+{
+	int i;
+
+	nvkm_debug(subdev, "acrDesc\n");
+	nvkm_debug(subdev, "\twprRegionId  : %d\n", hdr->wpr_region_id);
+	nvkm_debug(subdev, "\twprOffset    : 0x%x\n", hdr->wpr_offset);
+	nvkm_debug(subdev, "\tmmuMemRange  : 0x%x\n",
+		   hdr->mmu_mem_range);
+	nvkm_debug(subdev, "\tnoRegions    : %d\n",
+		   hdr->regions.no_regions);
+
+	for (i = 0; i < ARRAY_SIZE(hdr->regions.region_props); i++) {
+		nvkm_debug(subdev, "\tregion[%d]    :\n", i);
+		nvkm_debug(subdev, "\t  startAddr  : 0x%x\n",
+			   hdr->regions.region_props[i].start_addr);
+		nvkm_debug(subdev, "\t  endAddr    : 0x%x\n",
+			   hdr->regions.region_props[i].end_addr);
+		nvkm_debug(subdev, "\t  regionId   : %d\n",
+			   hdr->regions.region_props[i].region_id);
+		nvkm_debug(subdev, "\t  readMask   : 0x%x\n",
+			   hdr->regions.region_props[i].read_mask);
+		nvkm_debug(subdev, "\t  writeMask  : 0x%x\n",
+			   hdr->regions.region_props[i].write_mask);
+		nvkm_debug(subdev, "\t  clientMask : 0x%x\n",
+			   hdr->regions.region_props[i].client_mask);
+	}
+
+	nvkm_debug(subdev, "\tucodeBlobSize: %d\n",
+		   hdr->ucode_blob_size);
+	nvkm_debug(subdev, "\tucodeBlobBase: 0x%llx\n",
+		   hdr->ucode_blob_base);
+	nvkm_debug(subdev, "\tvprEnabled   : %d\n",
+		   hdr->vpr_desc.vpr_enabled);
+	nvkm_debug(subdev, "\tvprStart     : 0x%x\n",
+		   hdr->vpr_desc.vpr_start);
+	nvkm_debug(subdev, "\tvprEnd       : 0x%x\n",
+		   hdr->vpr_desc.vpr_end);
+	nvkm_debug(subdev, "\thdcpPolicies : 0x%x\n",
+		   hdr->vpr_desc.hdcp_policies);
+}
+
+void
+flcn_acr_desc_v1_dump(struct nvkm_subdev *subdev, struct flcn_acr_desc_v1 *hdr)
+{
+	int i;
+
+	nvkm_debug(subdev, "acrDesc\n");
+	nvkm_debug(subdev, "\twprRegionId         : %d\n", hdr->wpr_region_id);
+	nvkm_debug(subdev, "\twprOffset           : 0x%x\n", hdr->wpr_offset);
+	nvkm_debug(subdev, "\tmmuMemoryRange      : 0x%x\n",
+		   hdr->mmu_memory_range);
+	nvkm_debug(subdev, "\tnoRegions           : %d\n",
+		   hdr->regions.no_regions);
+
+	for (i = 0; i < ARRAY_SIZE(hdr->regions.region_props); i++) {
+		nvkm_debug(subdev, "\tregion[%d]           :\n", i);
+		nvkm_debug(subdev, "\t  startAddr         : 0x%x\n",
+			   hdr->regions.region_props[i].start_addr);
+		nvkm_debug(subdev, "\t  endAddr           : 0x%x\n",
+			   hdr->regions.region_props[i].end_addr);
+		nvkm_debug(subdev, "\t  regionId          : %d\n",
+			   hdr->regions.region_props[i].region_id);
+		nvkm_debug(subdev, "\t  readMask          : 0x%x\n",
+			   hdr->regions.region_props[i].read_mask);
+		nvkm_debug(subdev, "\t  writeMask         : 0x%x\n",
+			   hdr->regions.region_props[i].write_mask);
+		nvkm_debug(subdev, "\t  clientMask        : 0x%x\n",
+			   hdr->regions.region_props[i].client_mask);
+		nvkm_debug(subdev, "\t  shadowMemStartAddr: 0x%x\n",
+			   hdr->regions.region_props[i].shadow_mem_start_addr);
+	}
+
+	nvkm_debug(subdev, "\tucodeBlobSize       : %d\n",
+		   hdr->ucode_blob_size);
+	nvkm_debug(subdev, "\tucodeBlobBase       : 0x%llx\n",
+		   hdr->ucode_blob_base);
+	nvkm_debug(subdev, "\tvprEnabled          : %d\n",
+		   hdr->vpr_desc.vpr_enabled);
+	nvkm_debug(subdev, "\tvprStart            : 0x%x\n",
+		   hdr->vpr_desc.vpr_start);
+	nvkm_debug(subdev, "\tvprEnd              : 0x%x\n",
+		   hdr->vpr_desc.vpr_end);
+	nvkm_debug(subdev, "\thdcpPolicies        : 0x%x\n",
+		   hdr->vpr_desc.hdcp_policies);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/nvfw/flcn.c b/drivers/gpu/drm/nouveau/nvkm/nvfw/flcn.c
new file mode 100644
index 000000000000..00ec764e1aab
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/nvfw/flcn.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright 2019 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include <core/subdev.h>
+#include <nvfw/flcn.h>
+
+void
+loader_config_dump(struct nvkm_subdev *subdev, const struct loader_config *hdr)
+{
+	nvkm_debug(subdev, "loaderConfig\n");
+	nvkm_debug(subdev, "\tdmaIdx        : %d\n", hdr->dma_idx);
+	nvkm_debug(subdev, "\tcodeDmaBase   : 0x%xx\n", hdr->code_dma_base);
+	nvkm_debug(subdev, "\tcodeSizeTotal : 0x%x\n", hdr->code_size_total);
+	nvkm_debug(subdev, "\tcodeSizeToLoad: 0x%x\n", hdr->code_size_to_load);
+	nvkm_debug(subdev, "\tcodeEntryPoint: 0x%x\n", hdr->code_entry_point);
+	nvkm_debug(subdev, "\tdataDmaBase   : 0x%x\n", hdr->data_dma_base);
+	nvkm_debug(subdev, "\tdataSize      : 0x%x\n", hdr->data_size);
+	nvkm_debug(subdev, "\toverlayDmaBase: 0x%x\n", hdr->overlay_dma_base);
+	nvkm_debug(subdev, "\targc          : 0x%08x\n", hdr->argc);
+	nvkm_debug(subdev, "\targv          : 0x%08x\n", hdr->argv);
+	nvkm_debug(subdev, "\tcodeDmaBase1  : 0x%x\n", hdr->code_dma_base1);
+	nvkm_debug(subdev, "\tdataDmaBase1  : 0x%x\n", hdr->data_dma_base1);
+	nvkm_debug(subdev, "\tovlyDmaBase1  : 0x%x\n", hdr->overlay_dma_base1);
+}
+
+void
+loader_config_v1_dump(struct nvkm_subdev *subdev,
+		      const struct loader_config_v1 *hdr)
+{
+	nvkm_debug(subdev, "loaderConfig\n");
+	nvkm_debug(subdev, "\treserved      : 0x%08x\n", hdr->reserved);
+	nvkm_debug(subdev, "\tdmaIdx        : %d\n", hdr->dma_idx);
+	nvkm_debug(subdev, "\tcodeDmaBase   : 0x%llxx\n", hdr->code_dma_base);
+	nvkm_debug(subdev, "\tcodeSizeTotal : 0x%x\n", hdr->code_size_total);
+	nvkm_debug(subdev, "\tcodeSizeToLoad: 0x%x\n", hdr->code_size_to_load);
+	nvkm_debug(subdev, "\tcodeEntryPoint: 0x%x\n", hdr->code_entry_point);
+	nvkm_debug(subdev, "\tdataDmaBase   : 0x%llx\n", hdr->data_dma_base);
+	nvkm_debug(subdev, "\tdataSize      : 0x%x\n", hdr->data_size);
+	nvkm_debug(subdev, "\toverlayDmaBase: 0x%llx\n", hdr->overlay_dma_base);
+	nvkm_debug(subdev, "\targc          : 0x%08x\n", hdr->argc);
+	nvkm_debug(subdev, "\targv          : 0x%08x\n", hdr->argv);
+}
+
+void
+flcn_bl_dmem_desc_dump(struct nvkm_subdev *subdev,
+		       const struct flcn_bl_dmem_desc *hdr)
+{
+	nvkm_debug(subdev, "flcnBlDmemDesc\n");
+	nvkm_debug(subdev, "\treserved      : 0x%08x 0x%08x 0x%08x 0x%08x\n",
+		   hdr->reserved[0], hdr->reserved[1], hdr->reserved[2],
+		   hdr->reserved[3]);
+	nvkm_debug(subdev, "\tsignature     : 0x%08x 0x%08x 0x%08x 0x%08x\n",
+		   hdr->signature[0], hdr->signature[1], hdr->signature[2],
+		   hdr->signature[3]);
+	nvkm_debug(subdev, "\tctxDma        : %d\n", hdr->ctx_dma);
+	nvkm_debug(subdev, "\tcodeDmaBase   : 0x%x\n", hdr->code_dma_base);
+	nvkm_debug(subdev, "\tnonSecCodeOff : 0x%x\n", hdr->non_sec_code_off);
+	nvkm_debug(subdev, "\tnonSecCodeSize: 0x%x\n", hdr->non_sec_code_size);
+	nvkm_debug(subdev, "\tsecCodeOff    : 0x%x\n", hdr->sec_code_off);
+	nvkm_debug(subdev, "\tsecCodeSize   : 0x%x\n", hdr->sec_code_size);
+	nvkm_debug(subdev, "\tcodeEntryPoint: 0x%x\n", hdr->code_entry_point);
+	nvkm_debug(subdev, "\tdataDmaBase   : 0x%x\n", hdr->data_dma_base);
+	nvkm_debug(subdev, "\tdataSize      : 0x%x\n", hdr->data_size);
+	nvkm_debug(subdev, "\tcodeDmaBase1  : 0x%x\n", hdr->code_dma_base1);
+	nvkm_debug(subdev, "\tdataDmaBase1  : 0x%x\n", hdr->data_dma_base1);
+}
+
+void
+flcn_bl_dmem_desc_v1_dump(struct nvkm_subdev *subdev,
+			  const struct flcn_bl_dmem_desc_v1 *hdr)
+{
+	nvkm_debug(subdev, "flcnBlDmemDesc\n");
+	nvkm_debug(subdev, "\treserved      : 0x%08x 0x%08x 0x%08x 0x%08x\n",
+		   hdr->reserved[0], hdr->reserved[1], hdr->reserved[2],
+		   hdr->reserved[3]);
+	nvkm_debug(subdev, "\tsignature     : 0x%08x 0x%08x 0x%08x 0x%08x\n",
+		   hdr->signature[0], hdr->signature[1], hdr->signature[2],
+		   hdr->signature[3]);
+	nvkm_debug(subdev, "\tctxDma        : %d\n", hdr->ctx_dma);
+	nvkm_debug(subdev, "\tcodeDmaBase   : 0x%llx\n", hdr->code_dma_base);
+	nvkm_debug(subdev, "\tnonSecCodeOff : 0x%x\n", hdr->non_sec_code_off);
+	nvkm_debug(subdev, "\tnonSecCodeSize: 0x%x\n", hdr->non_sec_code_size);
+	nvkm_debug(subdev, "\tsecCodeOff    : 0x%x\n", hdr->sec_code_off);
+	nvkm_debug(subdev, "\tsecCodeSize   : 0x%x\n", hdr->sec_code_size);
+	nvkm_debug(subdev, "\tcodeEntryPoint: 0x%x\n", hdr->code_entry_point);
+	nvkm_debug(subdev, "\tdataDmaBase   : 0x%llx\n", hdr->data_dma_base);
+	nvkm_debug(subdev, "\tdataSize      : 0x%x\n", hdr->data_size);
+}
+
+void
+flcn_bl_dmem_desc_v2_dump(struct nvkm_subdev *subdev,
+			  const struct flcn_bl_dmem_desc_v2 *hdr)
+{
+	flcn_bl_dmem_desc_v1_dump(subdev, (void *)hdr);
+	nvkm_debug(subdev, "\targc          : 0x%08x\n", hdr->argc);
+	nvkm_debug(subdev, "\targv          : 0x%08x\n", hdr->argv);
+}