Module: Mesa Branch: main Commit: 8097becc7f1be886d91727b87abbdab03dd1d6a1 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=8097becc7f1be886d91727b87abbdab03dd1d6a1
Author: Samuel Pitoiset <samuel.pitoi...@gmail.com> Date: Mon Nov 6 11:32:44 2023 +0100 radv: add initial VK_EXT_device_fault support This implementation only returns VM faults information for now, but vendor crash dumps will be adder later. Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25875> --- src/amd/vulkan/radv_debug.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/src/amd/vulkan/radv_debug.c b/src/amd/vulkan/radv_debug.c index bec016d6985..c8b08175900 100644 --- a/src/amd/vulkan/radv_debug.c +++ b/src/amd/vulkan/radv_debug.c @@ -1056,3 +1056,41 @@ radv_check_trap_handler(struct radv_queue *queue) abort(); } + +/* VK_EXT_device_fault */ +VKAPI_ATTR VkResult VKAPI_CALL +radv_GetDeviceFaultInfoEXT(VkDevice _device, VkDeviceFaultCountsEXT *pFaultCounts, VkDeviceFaultInfoEXT *pFaultInfo) +{ + VK_OUTARRAY_MAKE_TYPED(VkDeviceFaultAddressInfoEXT, out, pFaultInfo ? pFaultInfo->pAddressInfos : NULL, + &pFaultCounts->addressInfoCount); + struct radv_winsys_gpuvm_fault_info fault_info = {0}; + RADV_FROM_HANDLE(radv_device, device, _device); + bool vm_fault_occurred = false; + + /* Query if a GPUVM fault happened. */ + vm_fault_occurred = radv_vm_fault_occurred(device, &fault_info); + + /* No vendor-specific crash dumps yet. */ + pFaultCounts->vendorInfoCount = 0; + pFaultCounts->vendorBinarySize = 0; + + if (vm_fault_occurred) { + VkDeviceFaultAddressInfoEXT addr_fault_info = { + .reportedAddress = fault_info.addr, + .addressPrecision = 4096, /* 4K page granularity */ + }; + + strncpy(pFaultInfo->description, "A GPUVM fault has been detected", sizeof(pFaultInfo->description)); + + if (device->physical_device->rad_info.gfx_level >= GFX10) { + addr_fault_info.addressType = G_00A130_RW(fault_info.status) ? VK_DEVICE_FAULT_ADDRESS_TYPE_WRITE_INVALID_EXT + : VK_DEVICE_FAULT_ADDRESS_TYPE_READ_INVALID_EXT; + } else { + /* Not sure how to get the access status on GFX6-9. */ + addr_fault_info.addressType = VK_DEVICE_FAULT_ADDRESS_TYPE_NONE_EXT; + } + vk_outarray_append_typed(VkDeviceFaultAddressInfoEXT, &out, elem) *elem = addr_fault_info; + } + + return vk_outarray_status(&out); +}
