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gpu: nvgpu: Add lsf encrypt check for ACR blob prep

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Add lsf encrypt flag check for ACR blob preparation
NVGPU will pass the same previous blob during recovery
sequence instead of 0 blob size, if any of ucode image
is encrypted.

BUG 4617207
Bug 4786365

Change-Id: I7a76cc426dda90930e8b7eded9656af9f2eb952a
Signed-off-by: mpoojary <mpoojary@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/3191453
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
mpoojary
2024-08-09 14:51:12 +00:00
committed by mobile promotions
parent 632d5fbc32
commit 3de579438e
3 changed files with 26 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/nvgpu/common/acr/acr.c
View File

@@ -148,6 +148,7 @@ int nvgpu_acr_init(struct gk20a *g)
nvgpu_gv11b_acr_sw_init(g, g->acr);
break;
case NVGPU_GPUID_GA10B:
g->acr->is_lsf_encrypt_support = true;
nvgpu_ga10b_acr_sw_init(g, g->acr);
break;
#ifdef CONFIG_NVGPU_DGPU

1
drivers/gpu/nvgpu/common/acr/acr_priv.h
View File

@@ -136,6 +136,7 @@ struct nvgpu_acr {
/* LSF properties */
u64 lsf_enable_mask;
bool is_lsf_encrypt_support;
struct acr_lsf_config lsf[FALCON_ID_END];
/*

22
drivers/gpu/nvgpu/common/acr/acr_sw_ga10b.c
View File

@@ -102,8 +102,19 @@ static int ga10b_acr_patch_wpr_info_to_ucode(struct gk20a *g,
nvgpu_err(g, "invalid mem acr_falcon2_sysmem_desc");
return -EINVAL;
}
/*
* In T234 the CTXSW LS ucodes are encrypted. ACR will perform the
* decryption and the decrypted content will be written back
* into the same WPR location. So on recovery with LSPMU absence
* and on warm boot case, to perform the authentication , the ucode
* blob needs to be copied into the WPR from sysmem always.
* Below are the LS ucodes authentication type
* LSPMU - Encrypted and Signed
*/
if (!acr->is_lsf_encrypt_support) {
acr_sysmem_desc->nonwpr_ucode_blob_size =
RECOVERY_UCODE_BLOB_SIZE;
}
} else
#endif
{
@@ -121,8 +132,19 @@ static int ga10b_acr_patch_wpr_info_to_ucode(struct gk20a *g,
goto end;
}
} else {
/*
* In T234 the CTXSW LS ucodes are encrypted. ACR will perform the
* decryption and the decrypted content will be written back
* into the same WPR location. So on recovery with LSPMU absence
* and on warm boot case, to perform the authentication , the ucode
* blob needs to be copied into the WPR from sysmem always.
* Below are the LS ucodes authentication type
* LSPMU - Encrypted and Signed
*/
if (!acr->is_lsf_encrypt_support) {
acr_sysmem_desc->nonwpr_ucode_blob_size =
RECOVERY_UCODE_BLOB_SIZE;
}
goto load;
}