<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="Generator" content="Microsoft Exchange Server"> <style></style> </head> <body> <meta content="text/html; charset=UTF-8"> <style type="text/css" style="">  </style> <div dir="ltr"> <div id="x_divtagdefaultwrapper" dir="ltr" style="font-size:12pt; color:#000000; font-family:Calibri,Arial,Helvetica,sans-serif"> > + /* virtual MC address of CSA & GDS for each VM */ > + uint64_t vm_csa_addr; > + uint64_t vm_gds_addr; That should be constant, shouldn't it? [ML] do you mean "const uint64_t vm_csa_addr" ? of cause not if that's your point ... compiling error on that and strictly speaking that's not constant, the address is calculated ... </div> <hr tabindex="-1" style="display:inline-block; width:98%"> <div id="x_divRplyFwdMsg" dir="ltr">发件人: Christian König <deathsimple@vodafone.de> 发送时间: 2017年1月9日 18:57:06 收件人: Liu, Monk; amd-gfx@lists.freedesktop.org 主题: Re: [PATCH 2/7] drm/amdgpu:new field members for SRIOV <div> </div> </div> </div> <div class="PlainText">Am 09.01.2017 um 09:02 schrieb Monk Liu: > Change-Id: Ife0eff7b13b8b5946f005a39f6ecb8db1cb72c38 > Signed-off-by: Monk Liu <Monk.Liu@amd.com> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 19 +++++++++++++++++++ > drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 2 ++ > 2 files changed, 21 insertions(+) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h > index 0d821d9..5aa7f0c 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h > @@ -28,9 +28,28 @@ > #define AMDGPU_SRIOV_CAPS_ENABLE_IOV (1 << 1) /* sr-iov is enabled on this GPU */ > #define AMDGPU_SRIOV_CAPS_IS_VF (1 << 2) /* this GPU is a virtual function */ > #define AMDGPU_PASSTHROUGH_MODE (1 << 3) /* thw whole GPU is pass through for VM */ > + > +struct amdgpu_vm; > /* GPU virtualization */ > struct amdgpu_virt { > uint32_t caps; > + uint32_t csa_size; > + struct amdgpu_bo *csa_obj; > + uint64_t csa_vmid0_addr; > + uint64_t gds_vmid0_addr; > + int (*allocate_csa)(struct amdgpu_device *adev); > + void (*deallocate_csa)(struct amdgpu_device *adev); > + int (*map_csa)(struct amdgpu_device *adev, struct amdgpu_vm *vm); > + void (*unmap_csa)(struct amdgpu_device *adev, struct amdgpu_vm *vm); Why callbacks for this? > +}; > + > +struct amdgpu_vm_virt { > + /* each VM will map on CSA */ > + struct ttm_validate_buffer csa_tv; > + struct amdgpu_bo_va *csa_bo_va; Please put that directly into the amdgpu_vm structure. > + /* virtual MC address of CSA & GDS for each VM */ > + uint64_t vm_csa_addr; > + uint64_t vm_gds_addr; That should be constant, shouldn't it? Regards, Christian. > }; > > #define amdgpu_sriov_enabled(adev) \ > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h > index 42a629b..27cbcbc 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h > @@ -29,6 +29,7 @@ > #include "gpu_scheduler.h" > #include "amdgpu_sync.h" > #include "amdgpu_ring.h" > +#include "amdgpu_virt.h" > > struct amdgpu_bo_va; > struct amdgpu_job; > @@ -111,6 +112,7 @@ struct amdgpu_vm { > > /* client id */ > u64 client_id; > + struct amdgpu_vm_virt vm_virt; > }; > > struct amdgpu_vm_id { </div> </body> </html>