[PATCH v4 10/11] drm/amdgpu: job is secure iff CS is secure (v5)

[Christian König]

Am 29.09.19 um 09:40 schrieb Huang, Ray:
> Mark a job as secure, if and only if the command
> submission flag has the secure flag set.
>
> v2: fix the null job pointer while in vmid 0
> submission.
> v3: Context --> Command submission.
> v4: filling cs parser with cs->in.flags
> v5: move the job secure flag setting out of amdgpu_cs_submit()
>
> Signed-off-by: Huang Rui <ray.huang at amd.com>
> Co-developed-by: Luben Tuikov <luben.tuikov at amd.com>
> Signed-off-by: Luben Tuikov <luben.tuikov at amd.com>
> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

At some point we need to cleanup struct amdgpu_job, but for now that is 
perfectly ok.

Patch is Reviewed-by: Christian König <christian.koenig at amd.com>

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c  | 2 ++
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c  | 4 ++--
>   drivers/gpu/drm/amd/amdgpu/amdgpu_job.h | 2 ++
>   3 files changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> index 49b767b..c18a153 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> @@ -231,6 +231,8 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, union drm_amdgpu_cs
>   	if (ret)
>   		goto free_all_kdata;
>   
> +	p->job->secure = cs->in.flags & AMDGPU_CS_FLAGS_SECURE;
> +
>   	if (p->ctx->vram_lost_counter != p->job->vram_lost_counter) {
>   		ret = -ECANCELED;
>   		goto free_all_kdata;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> index 9a6dbf3..6e0f97a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> @@ -213,7 +213,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
>   	if (job && ring->funcs->emit_cntxcntl) {
>   		status |= job->preamble_status;
>   		status |= job->preemption_status;
> -		amdgpu_ring_emit_cntxcntl(ring, status, false);
> +		amdgpu_ring_emit_cntxcntl(ring, status, job->secure);
>   	}
>   
>   	for (i = 0; i < num_ibs; ++i) {
> @@ -232,7 +232,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
>   	}
>   
>   	if (ring->funcs->emit_tmz)
> -		amdgpu_ring_emit_tmz(ring, false, false);
> +		amdgpu_ring_emit_tmz(ring, false, job ? job->secure : false);
>   
>   #ifdef CONFIG_X86_64
>   	if (!(adev->flags & AMD_IS_APU))
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
> index dc7ee93..aa0e375 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
> @@ -63,6 +63,8 @@ struct amdgpu_job {
>   	uint64_t		uf_addr;
>   	uint64_t		uf_sequence;
>   
> +	/* the job is due to a secure command submission */
> +	bool			secure;
>   };
>   
>   int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,