diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r367.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r367.c | 417 |
1 files changed, 0 insertions, 417 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r367.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r367.c deleted file mode 100644 index f75abbe12ecc..000000000000 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r367.c +++ /dev/null @@ -1,417 +0,0 @@ -/* - * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved. - * - * 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 AUTHORS OR COPYRIGHT HOLDERS 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 "acr_r367.h" -#include "acr_r361.h" -#include "acr_r370.h" - -#include <core/gpuobj.h> - -/* - * r367 ACR: new LS signature format requires a rewrite of LS firmware and - * blob creation functions. Also the hsflcn_desc layout has changed slightly. - */ - -#define LSF_LSB_DEPMAP_SIZE 11 - -/** - * struct acr_r367_lsf_lsb_header - LS firmware header - * - * See also struct acr_r352_lsf_lsb_header for documentation. - */ -struct acr_r367_lsf_lsb_header { - /** - * LS falcon signatures - * @prd_keys: signature to use in production mode - * @dgb_keys: signature to use in debug mode - * @b_prd_present: whether the production key is present - * @b_dgb_present: whether the debug key is present - * @falcon_id: ID of the falcon the ucode applies to - */ - struct { - u8 prd_keys[2][16]; - u8 dbg_keys[2][16]; - u32 b_prd_present; - u32 b_dbg_present; - u32 falcon_id; - u32 supports_versioning; - u32 version; - u32 depmap_count; - u8 depmap[LSF_LSB_DEPMAP_SIZE * 2 * 4]; - u8 kdf[16]; - } signature; - u32 ucode_off; - u32 ucode_size; - u32 data_size; - u32 bl_code_size; - u32 bl_imem_off; - u32 bl_data_off; - u32 bl_data_size; - u32 app_code_off; - u32 app_code_size; - u32 app_data_off; - u32 app_data_size; - u32 flags; -}; - -/** - * struct acr_r367_lsf_wpr_header - LS blob WPR Header - * - * See also struct acr_r352_lsf_wpr_header for documentation. - */ -struct acr_r367_lsf_wpr_header { - u32 falcon_id; - u32 lsb_offset; - u32 bootstrap_owner; - u32 lazy_bootstrap; - u32 bin_version; - u32 status; -#define LSF_IMAGE_STATUS_NONE 0 -#define LSF_IMAGE_STATUS_COPY 1 -#define LSF_IMAGE_STATUS_VALIDATION_CODE_FAILED 2 -#define LSF_IMAGE_STATUS_VALIDATION_DATA_FAILED 3 -#define LSF_IMAGE_STATUS_VALIDATION_DONE 4 -#define LSF_IMAGE_STATUS_VALIDATION_SKIPPED 5 -#define LSF_IMAGE_STATUS_BOOTSTRAP_READY 6 -#define LSF_IMAGE_STATUS_REVOCATION_CHECK_FAILED 7 -}; - -/** - * struct ls_ucode_img_r367 - ucode image augmented with r367 headers - */ -struct ls_ucode_img_r367 { - struct ls_ucode_img base; - - const struct acr_r352_lsf_func *func; - - struct acr_r367_lsf_wpr_header wpr_header; - struct acr_r367_lsf_lsb_header lsb_header; -}; -#define ls_ucode_img_r367(i) container_of(i, struct ls_ucode_img_r367, base) - -struct ls_ucode_img * -acr_r367_ls_ucode_img_load(const struct acr_r352 *acr, - const struct nvkm_secboot *sb, - enum nvkm_secboot_falcon falcon_id) -{ - const struct nvkm_subdev *subdev = acr->base.subdev; - const struct acr_r352_ls_func *func = acr->func->ls_func[falcon_id]; - struct ls_ucode_img_r367 *img; - int ret; - - img = kzalloc(sizeof(*img), GFP_KERNEL); - if (!img) - return ERR_PTR(-ENOMEM); - - img->base.falcon_id = falcon_id; - - ret = func->load(sb, func->version_max, &img->base); - if (ret < 0) { - kfree(img->base.ucode_data); - kfree(img->base.sig); - kfree(img); - return ERR_PTR(ret); - } - - img->func = func->version[ret]; - - /* Check that the signature size matches our expectations... */ - if (img->base.sig_size != sizeof(img->lsb_header.signature)) { - nvkm_error(subdev, "invalid signature size for %s falcon!\n", - nvkm_secboot_falcon_name[falcon_id]); - return ERR_PTR(-EINVAL); - } - - /* Copy signature to the right place */ - memcpy(&img->lsb_header.signature, img->base.sig, img->base.sig_size); - - /* not needed? the signature should already have the right value */ - img->lsb_header.signature.falcon_id = falcon_id; - - return &img->base; -} - -#define LSF_LSB_HEADER_ALIGN 256 -#define LSF_BL_DATA_ALIGN 256 -#define LSF_BL_DATA_SIZE_ALIGN 256 -#define LSF_BL_CODE_SIZE_ALIGN 256 -#define LSF_UCODE_DATA_ALIGN 4096 - -static u32 -acr_r367_ls_img_fill_headers(struct acr_r352 *acr, - struct ls_ucode_img_r367 *img, u32 offset) -{ - struct ls_ucode_img *_img = &img->base; - struct acr_r367_lsf_wpr_header *whdr = &img->wpr_header; - struct acr_r367_lsf_lsb_header *lhdr = &img->lsb_header; - struct ls_ucode_img_desc *desc = &_img->ucode_desc; - const struct acr_r352_lsf_func *func = img->func; - - /* Fill WPR header */ - whdr->falcon_id = _img->falcon_id; - whdr->bootstrap_owner = acr->base.boot_falcon; - whdr->bin_version = lhdr->signature.version; - whdr->status = LSF_IMAGE_STATUS_COPY; - - /* Skip bootstrapping falcons started by someone else than ACR */ - if (acr->lazy_bootstrap & BIT(_img->falcon_id)) - whdr->lazy_bootstrap = 1; - - /* Align, save off, and include an LSB header size */ - offset = ALIGN(offset, LSF_LSB_HEADER_ALIGN); - whdr->lsb_offset = offset; - offset += sizeof(*lhdr); - - /* - * Align, save off, and include the original (static) ucode - * image size - */ - offset = ALIGN(offset, LSF_UCODE_DATA_ALIGN); - _img->ucode_off = lhdr->ucode_off = offset; - offset += _img->ucode_size; - - /* - * For falcons that use a boot loader (BL), we append a loader - * desc structure on the end of the ucode image and consider - * this the boot loader data. The host will then copy the loader - * desc args to this space within the WPR region (before locking - * down) and the HS bin will then copy them to DMEM 0 for the - * loader. - */ - lhdr->bl_code_size = ALIGN(desc->bootloader_size, - LSF_BL_CODE_SIZE_ALIGN); - lhdr->ucode_size = ALIGN(desc->app_resident_data_offset, - LSF_BL_CODE_SIZE_ALIGN) + lhdr->bl_code_size; - lhdr->data_size = ALIGN(desc->app_size, LSF_BL_CODE_SIZE_ALIGN) + - lhdr->bl_code_size - lhdr->ucode_size; - /* - * Though the BL is located at 0th offset of the image, the VA - * is different to make sure that it doesn't collide the actual - * OS VA range - */ - lhdr->bl_imem_off = desc->bootloader_imem_offset; - lhdr->app_code_off = desc->app_start_offset + - desc->app_resident_code_offset; - lhdr->app_code_size = desc->app_resident_code_size; - lhdr->app_data_off = desc->app_start_offset + - desc->app_resident_data_offset; - lhdr->app_data_size = desc->app_resident_data_size; - - lhdr->flags = func->lhdr_flags; - if (_img->falcon_id == acr->base.boot_falcon) - lhdr->flags |= LSF_FLAG_DMACTL_REQ_CTX; - - /* Align and save off BL descriptor size */ - lhdr->bl_data_size = ALIGN(func->bl_desc_size, LSF_BL_DATA_SIZE_ALIGN); - - /* - * Align, save off, and include the additional BL data - */ - offset = ALIGN(offset, LSF_BL_DATA_ALIGN); - lhdr->bl_data_off = offset; - offset += lhdr->bl_data_size; - - return offset; -} - -int -acr_r367_ls_fill_headers(struct acr_r352 *acr, struct list_head *imgs) -{ - struct ls_ucode_img_r367 *img; - struct list_head *l; - u32 count = 0; - u32 offset; - - /* Count the number of images to manage */ - list_for_each(l, imgs) - count++; - - /* - * Start with an array of WPR headers at the base of the WPR. - * The expectation here is that the secure falcon will do a single DMA - * read of this array and cache it internally so it's ok to pack these. - * Also, we add 1 to the falcon count to indicate the end of the array. - */ - offset = sizeof(img->wpr_header) * (count + 1); - - /* - * Walk the managed falcons, accounting for the LSB structs - * as well as the ucode images. - */ - list_for_each_entry(img, imgs, base.node) { - offset = acr_r367_ls_img_fill_headers(acr, img, offset); - } - - return offset; -} - -int -acr_r367_ls_write_wpr(struct acr_r352 *acr, struct list_head *imgs, - struct nvkm_gpuobj *wpr_blob, u64 wpr_addr) -{ - struct ls_ucode_img *_img; - u32 pos = 0; - u32 max_desc_size = 0; - u8 *gdesc; - - list_for_each_entry(_img, imgs, node) { - struct ls_ucode_img_r367 *img = ls_ucode_img_r367(_img); - const struct acr_r352_lsf_func *ls_func = img->func; - - max_desc_size = max(max_desc_size, ls_func->bl_desc_size); - } - - gdesc = kmalloc(max_desc_size, GFP_KERNEL); - if (!gdesc) - return -ENOMEM; - - nvkm_kmap(wpr_blob); - - list_for_each_entry(_img, imgs, node) { - struct ls_ucode_img_r367 *img = ls_ucode_img_r367(_img); - const struct acr_r352_lsf_func *ls_func = img->func; - - nvkm_gpuobj_memcpy_to(wpr_blob, pos, &img->wpr_header, - sizeof(img->wpr_header)); - - nvkm_gpuobj_memcpy_to(wpr_blob, img->wpr_header.lsb_offset, - &img->lsb_header, sizeof(img->lsb_header)); - - /* Generate and write BL descriptor */ - memset(gdesc, 0, ls_func->bl_desc_size); - ls_func->generate_bl_desc(&acr->base, _img, wpr_addr, gdesc); - - nvkm_gpuobj_memcpy_to(wpr_blob, img->lsb_header.bl_data_off, - gdesc, ls_func->bl_desc_size); - - /* Copy ucode */ - nvkm_gpuobj_memcpy_to(wpr_blob, img->lsb_header.ucode_off, - _img->ucode_data, _img->ucode_size); - - pos += sizeof(img->wpr_header); - } - - nvkm_wo32(wpr_blob, pos, NVKM_SECBOOT_FALCON_INVALID); - - nvkm_done(wpr_blob); - - kfree(gdesc); - - return 0; -} - -struct acr_r367_hsflcn_desc { - u8 reserved_dmem[0x200]; - u32 signatures[4]; - u32 wpr_region_id; - u32 wpr_offset; - u32 mmu_memory_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; - u32 shadow_mem_start_addr; - } 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; -}; - -void -acr_r367_fixup_hs_desc(struct acr_r352 *acr, struct nvkm_secboot *sb, - void *_desc) -{ - struct acr_r367_hsflcn_desc *desc = _desc; - struct nvkm_gpuobj *ls_blob = acr->ls_blob; - - /* WPR region information if WPR is not fixed */ - if (sb->wpr_size == 0) { - u64 wpr_start = ls_blob->addr; - u64 wpr_end = ls_blob->addr + ls_blob->size; - - if (acr->func->shadow_blob) - wpr_start += ls_blob->size / 2; - - desc->wpr_region_id = 1; - desc->regions.no_regions = 2; - desc->regions.region_props[0].start_addr = wpr_start >> 8; - desc->regions.region_props[0].end_addr = wpr_end >> 8; - desc->regions.region_props[0].region_id = 1; - desc->regions.region_props[0].read_mask = 0xf; - desc->regions.region_props[0].write_mask = 0xc; - desc->regions.region_props[0].client_mask = 0x2; - if (acr->func->shadow_blob) - desc->regions.region_props[0].shadow_mem_start_addr = - ls_blob->addr >> 8; - else - desc->regions.region_props[0].shadow_mem_start_addr = 0; - } else { - desc->ucode_blob_base = ls_blob->addr; - desc->ucode_blob_size = ls_blob->size; - } -} - -static const struct acr_r352_ls_func -acr_r367_ls_sec2_func = { - .load = acr_ls_ucode_load_sec2, - .version_max = 1, - .version = { - &acr_r361_ls_sec2_func_0, - &acr_r370_ls_sec2_func_0, - } -}; - -const struct acr_r352_func -acr_r367_func = { - .fixup_hs_desc = acr_r367_fixup_hs_desc, - .generate_hs_bl_desc = acr_r361_generate_hs_bl_desc, - .hs_bl_desc_size = sizeof(struct acr_r361_flcn_bl_desc), - .shadow_blob = true, - .ls_ucode_img_load = acr_r367_ls_ucode_img_load, - .ls_fill_headers = acr_r367_ls_fill_headers, - .ls_write_wpr = acr_r367_ls_write_wpr, - .ls_func = { - [NVKM_SECBOOT_FALCON_FECS] = &acr_r361_ls_fecs_func, - [NVKM_SECBOOT_FALCON_GPCCS] = &acr_r361_ls_gpccs_func, - [NVKM_SECBOOT_FALCON_PMU] = &acr_r361_ls_pmu_func, - [NVKM_SECBOOT_FALCON_SEC2] = &acr_r367_ls_sec2_func, - }, -}; - -struct nvkm_acr * -acr_r367_new(enum nvkm_secboot_falcon boot_falcon, - unsigned long managed_falcons) -{ - return acr_r352_new_(&acr_r367_func, boot_falcon, managed_falcons); -} |