From 9b38ea82fc30ccbf38ebc0c55412b27e5a5afd7b Mon Sep 17 00:00:00 2001 From: Andrey Grodzovsky Date: Fri, 27 Oct 2017 11:09:10 -0400 Subject: [PATCH] amdgpu: Add wrappers for AMDGPU_VM IOCTL. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit v2: Rename wrappers to match the IOCTL naming, fix identation and fix make check error. Signed-off-by: Andrey Grodzovsky Reviewed-by: Christian König --- amdgpu/Makefile.sources | 1 + amdgpu/amdgpu-symbol-check | 2 ++ amdgpu/amdgpu.h | 18 +++++++++++++++++ amdgpu/amdgpu_vm.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 71 insertions(+) create mode 100644 amdgpu/amdgpu_vm.c diff --git a/amdgpu/Makefile.sources b/amdgpu/Makefile.sources index bc3abaa..498b64c 100644 --- a/amdgpu/Makefile.sources +++ b/amdgpu/Makefile.sources @@ -6,6 +6,7 @@ LIBDRM_AMDGPU_FILES := \ amdgpu_gpu_info.c \ amdgpu_internal.h \ amdgpu_vamgr.c \ + amdgpu_vm.c \ util_hash.c \ util_hash.h \ util_hash_table.c \ diff --git a/amdgpu/amdgpu-symbol-check b/amdgpu/amdgpu-symbol-check index 095c3a0..d476038 100755 --- a/amdgpu/amdgpu-symbol-check +++ b/amdgpu/amdgpu-symbol-check @@ -64,6 +64,8 @@ amdgpu_read_mm_registers amdgpu_va_range_alloc amdgpu_va_range_free amdgpu_va_range_query +amdgpu_vm_reserve_vmid +amdgpu_vm_unreserve_vmid EOF done) diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h index ecc975f..597fc2b 100644 --- a/amdgpu/amdgpu.h +++ b/amdgpu/amdgpu.h @@ -1489,6 +1489,24 @@ void amdgpu_cs_chunk_fence_to_dep(struct amdgpu_cs_fence *fence, void amdgpu_cs_chunk_fence_info_to_data(struct amdgpu_cs_fence_info *fence_info, struct drm_amdgpu_cs_chunk_data *data); +/** + * Reserve VMID + * \param context - \c [in] GPU Context + * \param flags - \c [in] TBD + * + * \return 0 on success otherwise POSIX Error code +*/ +int amdgpu_vm_reserve_vmid(amdgpu_context_handle context, uint32_t flags); + +/** + * Free reserved VMID + * \param context - \c [in] GPU Context + * \param flags - \c [in] TBD + * + * \return 0 on success otherwise POSIX Error code +*/ +int amdgpu_vm_unreserve_vmid(amdgpu_context_handle context, uint32_t flags); + #ifdef __cplusplus } #endif diff --git a/amdgpu/amdgpu_vm.c b/amdgpu/amdgpu_vm.c new file mode 100644 index 0000000..8a9a0a1 --- /dev/null +++ b/amdgpu/amdgpu_vm.c @@ -0,0 +1,50 @@ +/* + * Copyright 2017 Advanced Micro Devices, Inc. + * + * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 "amdgpu.h" +#include "amdgpu_drm.h" +#include "xf86drm.h" +#include "amdgpu_internal.h" + +int amdgpu_vm_reserve_vmid(amdgpu_context_handle context, uint32_t flags) +{ + union drm_amdgpu_vm vm; + + vm.in.op = AMDGPU_VM_OP_RESERVE_VMID; + vm.in.flags = flags; + + return drmCommandWriteRead(context->dev->fd, DRM_AMDGPU_VM, + &vm, sizeof(vm)); +} + +int amdgpu_vm_unreserve_vmid(amdgpu_context_handle context, uint32_t flags) +{ + union drm_amdgpu_vm vm; + + vm.in.op = AMDGPU_VM_OP_UNRESERVE_VMID; + vm.in.flags = flags; + + return drmCommandWriteRead(context->dev->fd, DRM_AMDGPU_VM, + &vm, sizeof(vm)); +} -- 2.7.4