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From: Nirmoy <nirmodas@amd.com>
To: Alex Deucher <alexdeucher@gmail.com>, Nirmoy Das <nirmoy.das@amd.com>
Cc: "Deucher, Alexander" <alexander.deucher@amd.com>,
	Christian Koenig <Christian.Koenig@amd.com>,
	amd-gfx list <amd-gfx@lists.freedesktop.org>
Subject: Re: [PATCH 1/7] drm/amdgpu: add amdgpu_bo_vm bo type
Date: Fri, 21 May 2021 17:19:07 +0200	[thread overview]
Message-ID: <68c3e308-9796-51d0-d2cb-d994cb1a584b@amd.com> (raw)
In-Reply-To: <CADnq5_O=eQqiaGdPNjh8Juc7L3D0_kDJW+BTWAp04nQpQVVSFg@mail.gmail.com>


On 5/21/21 4:54 PM, Alex Deucher wrote:
> On Fri, May 21, 2021 at 8:46 AM Nirmoy Das <nirmoy.das@amd.com> wrote:
>> Add new BO subcalss that will be used by amdgpu vm code.
> s/subcalss/subclass/


Thanks, Alex!

>
> Alex
>
>> Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 32 ++++++++++++++++++++++
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 10 +++++++
>>   2 files changed, 42 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>> index 745fcf3ea450..61b1edcb490a 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>> @@ -692,6 +692,38 @@ int amdgpu_bo_create_user(struct amdgpu_device *adev,
>>          *ubo_ptr = to_amdgpu_bo_user(bo_ptr);
>>          return r;
>>   }
>> +
>> +/**
>> + * amdgpu_bo_create_vm - create an &amdgpu_bo_vm buffer object
>> + * @adev: amdgpu device object
>> + * @bp: parameters to be used for the buffer object
>> + * @vmbo_ptr: pointer to the buffer object pointer
>> + *
>> + * Create a BO to be for GPUVM.
>> + *
>> + * Returns:
>> + * 0 for success or a negative error code on failure.
>> + */
>> +
>> +int amdgpu_bo_create_vm(struct amdgpu_device *adev,
>> +                       struct amdgpu_bo_param *bp,
>> +                       struct amdgpu_bo_vm **vmbo_ptr)
>> +{
>> +       struct amdgpu_bo *bo_ptr;
>> +       int r;
>> +
>> +       /* bo_ptr_size will be determined by the caller and it depends on
>> +        * num of amdgpu_vm_pt entries.
>> +        */
>> +       BUG_ON(bp->bo_ptr_size < sizeof(struct amdgpu_bo_vm));
>> +       r = amdgpu_bo_create(adev, bp, &bo_ptr);
>> +       if (r)
>> +               return r;
>> +
>> +       *vmbo_ptr = to_amdgpu_bo_vm(bo_ptr);
>> +       return r;
>> +}
>> +
>>   /**
>>    * amdgpu_bo_validate - validate an &amdgpu_bo buffer object
>>    * @bo: pointer to the buffer object
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
>> index 11480c5a2716..a7fbf5f7051e 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
>> @@ -44,6 +44,7 @@
>>   #define AMDGPU_AMDKFD_CREATE_SVM_BO    (1ULL << 62)
>>
>>   #define to_amdgpu_bo_user(abo) container_of((abo), struct amdgpu_bo_user, bo)
>> +#define to_amdgpu_bo_vm(abo) container_of((abo), struct amdgpu_bo_vm, bo)
>>
>>   struct amdgpu_bo_param {
>>          unsigned long                   size;
>> @@ -125,6 +126,12 @@ struct amdgpu_bo_user {
>>
>>   };
>>
>> +struct amdgpu_bo_vm {
>> +       struct amdgpu_bo                bo;
>> +       struct amdgpu_bo                *shadow;
>> +       struct amdgpu_vm_pt             entries[];
>> +};
>> +
>>   static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct ttm_buffer_object *tbo)
>>   {
>>          return container_of(tbo, struct amdgpu_bo, tbo);
>> @@ -272,6 +279,9 @@ int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev,
>>   int amdgpu_bo_create_user(struct amdgpu_device *adev,
>>                            struct amdgpu_bo_param *bp,
>>                            struct amdgpu_bo_user **ubo_ptr);
>> +int amdgpu_bo_create_vm(struct amdgpu_device *adev,
>> +                       struct amdgpu_bo_param *bp,
>> +                       struct amdgpu_bo_vm **ubo_ptr);
>>   void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
>>                             void **cpu_addr);
>>   int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
>> --
>> 2.31.1
>>
>> _______________________________________________
>> amd-gfx mailing list
>> amd-gfx@lists.freedesktop.org
>> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&amp;data=04%7C01%7Cnirmoy.das%40amd.com%7C87c7640809fa40c6156808d91c68614e%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637572056899554154%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=57XL2ddPiPTzp1mM7xKi6o3vHzeDHB37vOjJyxL%2FD4s%3D&amp;reserved=0
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  reply	other threads:[~2021-05-21 15:19 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-21 12:45 Nirmoy Das
2021-05-21 12:45 ` [PATCH 2/7] drm/amdgpu: add a new identifier for amdgpu_bo Nirmoy Das
2021-05-21 12:58   ` Christian König
2021-05-21 13:54     ` Nirmoy
2021-05-21 12:45 ` [PATCH 3/7] drm/amdgpu: use amdgpu_bo_vm for vm code Nirmoy Das
2021-05-21 12:45 ` [PATCH 4/7] drm/amdgpu: create shadow bo directly Nirmoy Das
2021-05-21 12:45 ` [PATCH 5/7] drm/amdgpu: switch to amdgpu_bo_vm's shadow Nirmoy Das
2021-05-21 12:45 ` [PATCH 6/7] drm/amdgpu: remove unused code Nirmoy Das
2021-05-21 12:45 ` [PATCH 7/7] drm/amdgpu: do not allocate entries separately Nirmoy Das
2021-05-21 13:01   ` Christian König
2021-05-21 14:04     ` Nirmoy
2021-05-21 14:54 ` [PATCH 1/7] drm/amdgpu: add amdgpu_bo_vm bo type Alex Deucher
2021-05-21 15:19   ` Nirmoy [this message]
2021-05-26 10:10 Nirmoy Das
2021-05-26 12:01 ` Christian König

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