drm/nouveau: add support for GH100

This commit enables basic support for Hopper GPUs, and is intended
primarily as a base supporting Blackwell GPUs, which reuse most of
the code added here.

Advanced features such as Confidential Compute are not supported.

Beyond a few miscellaneous register moves and HW class ID plumbing,
the bulk of the changes implemented here are to support the GSP-RM
boot sequence used on Hopper/Blackwell GPUs, as well as a new page
table layout.

There should be no changes here that impact prior GPUs.

Signed-off-by: Ben Skeggs <bskeggs@nvidia.com>
Co-developed-by: Timur Tabi <ttabi@nvidia.com>
Signed-off-by: Timur Tabi <ttabi@nvidia.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Timur Tabi <ttabi@nvidia.com>
Tested-by: Timur Tabi <ttabi@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

6 files changed, 39 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
index 5b798a1a313d..c114903ce388 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
@@ -102,6 +102,7 @@ int gv100_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct n
 int tu102_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
 int ga100_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
 int ga102_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
+int gh100_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
 
 #include <subdev/bios.h>
 #include <subdev/bios/ramcfg.h>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fsp.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fsp.h
new file mode 100644
index 000000000000..2a8c1d5a65f9
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fsp.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
+ */
+#ifndef __NVKM_FSP_H__
+#define __NVKM_FSP_H__
+#include <core/subdev.h>
+#include <core/falcon.h>
+
+struct nvkm_fsp {
+	const struct nvkm_fsp_func *func;
+	struct nvkm_subdev subdev;
+
+	struct nvkm_falcon falcon;
+};
+
+bool nvkm_fsp_verify_gsp_fmc(struct nvkm_fsp *, u32 hash_size, u32 pkey_size, u32 sig_size);
+int nvkm_fsp_boot_gsp_fmc(struct nvkm_fsp *, u64 args_addr, u32 rsvd_size, bool resume,
+			  u64 img_addr, const u8 *hash, const u8 *pkey, const u8 *sig);
+
+int gh100_fsp_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fsp **);
+#endif
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
index 4ad07f3ced69..8f611b2503b7 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
@@ -68,6 +68,9 @@ struct nvkm_gsp {
 			const struct firmware *load;
 			const struct firmware *unload;
 		} booter;
+
+		const struct firmware *fmc;
+
 		const struct firmware *bl;
 		const struct firmware *rm;
 	} fws;
@@ -115,6 +118,15 @@ struct nvkm_gsp {
 
 	struct {
 		struct nvkm_gsp_mem fw;
+		u8 *hash;
+		u8 *pkey;
+		u8 *sig;
+
+		struct nvkm_gsp_mem args;
+	} fmc;
+
+	struct {
+		struct nvkm_gsp_mem fw;
 		u32 code_offset;
 		u32 data_offset;
 		u32 manifest_offset;
@@ -478,5 +490,6 @@ int tu102_gsp_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_
 int tu116_gsp_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_gsp **);
 int ga100_gsp_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_gsp **);
 int ga102_gsp_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_gsp **);
+int gh100_gsp_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_gsp **);
 int ad102_gsp_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_gsp **);
 #endif
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h
index 7d93c742ee59..db835cf7b8ac 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h
@@ -36,4 +36,5 @@ int nv04_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nv
 int nv40_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
 int nv50_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
 int gk20a_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
+int gh100_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
 #endif
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
index 4cab139f3236..abcb0dbcde70 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
@@ -166,4 +166,5 @@ int gp100_mmu_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct
 int gp10b_mmu_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_mmu **);
 int gv100_mmu_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_mmu **);
 int tu102_mmu_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_mmu **);
+int gh100_mmu_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_mmu **);
 #endif
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h
index 3c103101d5fc..112b674ed9c8 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h
@@ -50,6 +50,7 @@ int gf100_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct
 int gf106_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
 int gk104_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
 int gp100_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
+int gh100_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
 
 /* pcie functions */
 int nvkm_pcie_set_link(struct nvkm_pci *, enum nvkm_pcie_speed, u8 width);