diff options
Diffstat (limited to 'drm/nouveau/nvkm/subdev/secboot/priv.h')
| -rw-r--r-- | drm/nouveau/nvkm/subdev/secboot/priv.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/drm/nouveau/nvkm/subdev/secboot/priv.h b/drm/nouveau/nvkm/subdev/secboot/priv.h index 990d490ee..72d79aee7 100644 --- a/drm/nouveau/nvkm/subdev/secboot/priv.h +++ b/drm/nouveau/nvkm/subdev/secboot/priv.h @@ -43,4 +43,145 @@ int nvkm_secboot_ctor(const struct nvkm_secboot_func *, struct nvkm_device *, int nvkm_secboot_falcon_reset(struct nvkm_secboot *); int nvkm_secboot_falcon_run(struct nvkm_secboot *); +struct flcn_u64 { + u32 lo; + u32 hi; +}; +static inline u64 flcn64_to_u64(const struct flcn_u64 f) +{ + return ((u64)f.hi) << 32 | f.lo; +} + +/** + * struct gm200_flcn_bl_desc - DMEM bootloader descriptor + * @signature: 16B signature for secure code. 0s if no secure code + * @ctx_dma: DMA context to be used by BL while loading code/data + * @code_dma_base: 256B-aligned Physical FB Address where code is located + * (falcon's $xcbase register) + * @non_sec_code_off: offset from code_dma_base where the non-secure code is + * located. The offset must be multiple of 256 to help perf + * @non_sec_code_size: the size of the nonSecure code part. + * @sec_code_off: offset from code_dma_base where the secure code is + * located. The offset must be multiple of 256 to help perf + * @sec_code_size: offset from code_dma_base where the secure code is + * located. The offset must be multiple of 256 to help perf + * @code_entry_point: code entry point which will be invoked by BL after + * code is loaded. + * @data_dma_base: 256B aligned Physical FB Address where data is located. + * (falcon's $xdbase register) + * @data_size: size of data block. Should be multiple of 256B + * + * Structure used by the bootloader to load the rest of the code. This has + * to be filled by host and copied into DMEM at offset provided in the + * hsflcn_bl_desc.bl_desc_dmem_load_off. + */ +struct gm200_flcn_bl_desc { + u32 reserved[4]; + u32 signature[4]; + u32 ctx_dma; + struct flcn_u64 code_dma_base; + u32 non_sec_code_off; + u32 non_sec_code_size; + u32 sec_code_off; + u32 sec_code_size; + u32 code_entry_point; + struct flcn_u64 data_dma_base; + u32 data_size; +}; + +/** + * struct hsflcn_acr_desc - data section of the HS firmware + * + * This header is to be copied at the beginning of DMEM by the HS bootloader. + * + * @signature: signature of ACR ucode + * @wpr_region_id: region ID holding the WPR header and its details + * @wpr_offset: offset from the WPR region holding the wpr header + * @regions: region descriptors + * @nonwpr_ucode_blob_size: size of LS blob + * @nonwpr_ucode_blob_start: FB location of LS blob is + */ +struct hsflcn_acr_desc { + union { + u8 reserved_dmem[0x200]; + u32 signatures[4]; + } ucode_reserved_space; + u32 wpr_region_id; + u32 wpr_offset; + u32 mmu_mem_range; +#define FLCN_ACR_MAX_REGIONS 2 + struct { + u32 no_regions; + struct { + u32 start_addr; + u32 end_addr; + u32 region_id; + u32 read_mask; + u32 write_mask; + u32 client_mask; + } region_props[FLCN_ACR_MAX_REGIONS]; + } regions; + u32 ucode_blob_size; + u64 ucode_blob_base __aligned(8); + struct { + u32 vpr_enabled; + u32 vpr_start; + u32 vpr_end; + u32 hdcp_policies; + } vpr_desc; +}; + +/** + * Contains the whole secure boot state, allowing it to be performed as needed + * @wpr_addr: physical address of the WPR region + * @wpr_size: size in bytes of the WPR region + * @ls_blob: LS blob of all the LS firmwares, signatures, bootloaders + * @ls_blob_size: size of the LS blob + * @ls_blob_nb_regions: number of LS firmwares that will be loaded + * @acr_blob: HS blob + * @acr_blob_vma: mapping of the HS blob into the secure falcon's VM + * @acr_bl_desc: bootloader descriptor of the HS blob + * @hsbl_blob: HS blob bootloader + * @inst: instance block for HS falcon + * @pgd: page directory for the HS falcon + * @vm: address space used by the HS falcon + * @bl_desc_size: size of the BL descriptor used by this chip. + * @fixup_bl_desc: hook that generates the proper BL descriptor format from + * the generic GM200 format into a data array of size + * bl_desc_size + */ +struct gm200_secboot { + struct nvkm_secboot base; + + u64 wpr_addr; + u32 wpr_size; + struct nvkm_vma acr_blob_vma; + + /* LS FWs, to be loaded by the HS ACR */ + struct nvkm_gpuobj *ls_blob; + + /* HS FW */ + struct nvkm_gpuobj *acr_blob; + + /* HS bootloader */ + void *hsbl_blob; + + struct gm200_flcn_bl_desc acr_bl_desc; + + /* Instance block & address space */ + struct nvkm_gpuobj *inst; + struct nvkm_gpuobj *pgd; + struct nvkm_vm *vm; + + u32 bl_desc_size; + void (*fixup_bl_desc)(const struct gm200_flcn_bl_desc *, void *); + void (*fixup_hs_desc)(struct gm200_secboot *, struct hsflcn_acr_desc *); +}; +#define gm200_secboot(sb) container_of(sb, struct gm200_secboot, base) + +int gm200_secboot_init(struct nvkm_secboot *); +void *gm200_secboot_dtor(struct nvkm_secboot *); +int gm200_secboot_prepare_blobs(struct nvkm_secboot *); +int gm200_secboot_run(struct nvkm_secboot *); + #endif |