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diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h new file mode 100644 index 0000000..5ef2524 --- /dev/null +++ b/amdgpu/amdgpu.h @@ -0,0 +1,1876 @@ +/* + * Copyright 2014 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. + * + */ + +/** + * \file amdgpu.h + * + * Declare public libdrm_amdgpu API + * + * This file define API exposed by libdrm_amdgpu library. + * User wanted to use libdrm_amdgpu functionality must include + * this file. + * + */ +#ifndef _AMDGPU_H_ +#define _AMDGPU_H_ + +#include <stdint.h> +#include <stdbool.h> + +#ifdef __cplusplus +extern "C" { +#endif + +struct drm_amdgpu_info_hw_ip; +struct drm_amdgpu_bo_list_entry; + +/*--------------------------------------------------------------------------*/ +/* --------------------------- Defines ------------------------------------ */ +/*--------------------------------------------------------------------------*/ + +/** + * Define max. number of Command Buffers (IB) which could be sent to the single + * hardware IP to accommodate CE/DE requirements + * + * \sa amdgpu_cs_ib_info +*/ +#define AMDGPU_CS_MAX_IBS_PER_SUBMIT 4 + +/** + * Special timeout value meaning that the timeout is infinite. + */ +#define AMDGPU_TIMEOUT_INFINITE 0xffffffffffffffffull + +/** + * Used in amdgpu_cs_query_fence_status(), meaning that the given timeout + * is absolute. + */ +#define AMDGPU_QUERY_FENCE_TIMEOUT_IS_ABSOLUTE (1 << 0) + +/*--------------------------------------------------------------------------*/ +/* ----------------------------- Enums ------------------------------------ */ +/*--------------------------------------------------------------------------*/ + +/** + * Enum describing possible handle types + * + * \sa amdgpu_bo_import, amdgpu_bo_export + * +*/ +enum amdgpu_bo_handle_type { + /** GEM flink name (needs DRM authentication, used by DRI2) */ + amdgpu_bo_handle_type_gem_flink_name = 0, + + /** KMS handle which is used by all driver ioctls */ + amdgpu_bo_handle_type_kms = 1, + + /** DMA-buf fd handle */ + amdgpu_bo_handle_type_dma_buf_fd = 2, + + /** Deprecated in favour of and same behaviour as + * amdgpu_bo_handle_type_kms, use that instead of this + */ + amdgpu_bo_handle_type_kms_noimport = 3, +}; + +/** Define known types of GPU VM VA ranges */ +enum amdgpu_gpu_va_range +{ + /** Allocate from "normal"/general range */ + amdgpu_gpu_va_range_general = 0 +}; + +enum amdgpu_sw_info { + amdgpu_sw_info_address32_hi = 0, +}; + +/*--------------------------------------------------------------------------*/ +/* -------------------------- Datatypes ----------------------------------- */ +/*--------------------------------------------------------------------------*/ + +/** + * Define opaque pointer to context associated with fd. + * This context will be returned as the result of + * "initialize" function and should be pass as the first + * parameter to any API call + */ +typedef struct amdgpu_device *amdgpu_device_handle; + +/** + * Define GPU Context type as pointer to opaque structure + * Example of GPU Context is the "rendering" context associated + * with OpenGL context (glCreateContext) + */ +typedef struct amdgpu_context *amdgpu_context_handle; + +/** + * Define handle for amdgpu resources: buffer, GDS, etc. + */ +typedef struct amdgpu_bo *amdgpu_bo_handle; + +/** + * Define handle for list of BOs + */ +typedef struct amdgpu_bo_list *amdgpu_bo_list_handle; + +/** + * Define handle to be used to work with VA allocated ranges + */ +typedef struct amdgpu_va *amdgpu_va_handle; + +/** + * Define handle for semaphore + */ +typedef struct amdgpu_semaphore *amdgpu_semaphore_handle; + +/*--------------------------------------------------------------------------*/ +/* -------------------------- Structures ---------------------------------- */ +/*--------------------------------------------------------------------------*/ + +/** + * Structure describing memory allocation request + * + * \sa amdgpu_bo_alloc() + * +*/ +struct amdgpu_bo_alloc_request { + /** Allocation request. It must be aligned correctly. */ + uint64_t alloc_size; + + /** + * It may be required to have some specific alignment requirements + * for physical back-up storage (e.g. for displayable surface). + * If 0 there is no special alignment requirement + */ + uint64_t phys_alignment; + + /** + * UMD should specify where to allocate memory and how it + * will be accessed by the CPU. + */ + uint32_t preferred_heap; + + /** Additional flags passed on allocation */ + uint64_t flags; +}; + +/** + * Special UMD specific information associated with buffer. + * + * It may be need to pass some buffer charactersitic as part + * of buffer sharing. Such information are defined UMD and + * opaque for libdrm_amdgpu as well for kernel driver. + * + * \sa amdgpu_bo_set_metadata(), amdgpu_bo_query_info, + * amdgpu_bo_import(), amdgpu_bo_export + * +*/ +struct amdgpu_bo_metadata { + /** Special flag associated with surface */ + uint64_t flags; + + /** + * ASIC-specific tiling information (also used by DCE). + * The encoding is defined by the AMDGPU_TILING_* definitions. + */ + uint64_t tiling_info; + + /** Size of metadata associated with the buffer, in bytes. */ + uint32_t size_metadata; + + /** UMD specific metadata. Opaque for kernel */ + uint32_t umd_metadata[64]; +}; + +/** + * Structure describing allocated buffer. Client may need + * to query such information as part of 'sharing' buffers mechanism + * + * \sa amdgpu_bo_set_metadata(), amdgpu_bo_query_info(), + * amdgpu_bo_import(), amdgpu_bo_export() +*/ +struct amdgpu_bo_info { + /** Allocated memory size */ + uint64_t alloc_size; + + /** + * It may be required to have some specific alignment requirements + * for physical back-up storage. + */ + uint64_t phys_alignment; + + /** Heap where to allocate memory. */ + uint32_t preferred_heap; + + /** Additional allocation flags. */ + uint64_t alloc_flags; + + /** Metadata associated with buffer if any. */ + struct amdgpu_bo_metadata metadata; +}; + +/** + * Structure with information about "imported" buffer + * + * \sa amdgpu_bo_import() + * + */ +struct amdgpu_bo_import_result { + /** Handle of memory/buffer to use */ + amdgpu_bo_handle buf_handle; + + /** Buffer size */ + uint64_t alloc_size; +}; + +/** + * + * Structure to describe GDS partitioning information. + * \note OA and GWS resources are asscoiated with GDS partition + * + * \sa amdgpu_gpu_resource_query_gds_info + * +*/ +struct amdgpu_gds_resource_info { + uint32_t gds_gfx_partition_size; + uint32_t compute_partition_size; + uint32_t gds_total_size; + uint32_t gws_per_gfx_partition; + uint32_t gws_per_compute_partition; + uint32_t oa_per_gfx_partition; + uint32_t oa_per_compute_partition; +}; + +/** + * Structure describing CS fence + * + * \sa amdgpu_cs_query_fence_status(), amdgpu_cs_request, amdgpu_cs_submit() + * +*/ +struct amdgpu_cs_fence { + + /** In which context IB was sent to execution */ + amdgpu_context_handle context; + + /** To which HW IP type the fence belongs */ + uint32_t ip_type; + + /** IP instance index if there are several IPs of the same type. */ + uint32_t ip_instance; + + /** Ring index of the HW IP */ + uint32_t ring; + + /** Specify fence for which we need to check submission status.*/ + uint64_t fence; +}; + +/** + * Structure describing IB + * + * \sa amdgpu_cs_request, amdgpu_cs_submit() + * +*/ +struct amdgpu_cs_ib_info { + /** Special flags */ + uint64_t flags; + + /** Virtual MC address of the command buffer */ + uint64_t ib_mc_address; + + /** + * Size of Command Buffer to be submitted. + * - The size is in units of dwords (4 bytes). + * - Could be 0 + */ + uint32_t size; +}; + +/** + * Structure describing fence information + * + * \sa amdgpu_cs_request, amdgpu_cs_query_fence, + * amdgpu_cs_submit(), amdgpu_cs_query_fence_status() +*/ +struct amdgpu_cs_fence_info { + /** buffer object for the fence */ + amdgpu_bo_handle handle; + + /** fence offset in the unit of sizeof(uint64_t) */ + uint64_t offset; +}; + +/** + * Structure describing submission request + * + * \note We could have several IBs as packet. e.g. CE, CE, DE case for gfx + * + * \sa amdgpu_cs_submit() +*/ +struct amdgpu_cs_request { + /** Specify flags with additional information */ + uint64_t flags; + + /** Specify HW IP block type to which to send the IB. */ + unsigned ip_type; + + /** IP instance index if there are several IPs of the same type. */ + unsigned ip_instance; + + /** + * Specify ring index of the IP. We could have several rings + * in the same IP. E.g. 0 for SDMA0 and 1 for SDMA1. + */ + uint32_t ring; + + /** + * List handle with resources used by this request. + */ + amdgpu_bo_list_handle resources; + + /** + * Number of dependencies this Command submission needs to + * wait for before starting execution. + */ + uint32_t number_of_dependencies; + + /** + * Array of dependencies which need to be met before + * execution can start. + */ + struct amdgpu_cs_fence *dependencies; + + /** Number of IBs to submit in the field ibs. */ + uint32_t number_of_ibs; + + /** + * IBs to submit. Those IBs will be submit together as single entity + */ + struct amdgpu_cs_ib_info *ibs; + + /** + * The returned sequence number for the command submission + */ + uint64_t seq_no; + + /** + * The fence information + */ + struct amdgpu_cs_fence_info fence_info; +}; + +/** + * Structure which provide information about GPU VM MC Address space + * alignments requirements + * + * \sa amdgpu_query_buffer_size_alignment + */ +struct amdgpu_buffer_size_alignments { + /** Size alignment requirement for allocation in + * local memory */ + uint64_t size_local; + + /** + * Size alignment requirement for allocation in remote memory + */ + uint64_t size_remote; +}; + +/** + * Structure which provide information about heap + * + * \sa amdgpu_query_heap_info() + * + */ +struct amdgpu_heap_info { + /** Theoretical max. available memory in the given heap */ + uint64_t heap_size; + + /** + * Number of bytes allocated in the heap. This includes all processes + * and private allocations in the kernel. It changes when new buffers + * are allocated, freed, and moved. It cannot be larger than + * heap_size. + */ + uint64_t heap_usage; + + /** + * Theoretical possible max. size of buffer which + * could be allocated in the given heap + */ + uint64_t max_allocation; +}; + +/** + * Describe GPU h/w info needed for UMD correct initialization + * + * \sa amdgpu_query_gpu_info() +*/ +struct amdgpu_gpu_info { + /** Asic id */ + uint32_t asic_id; + /** Chip revision */ + uint32_t chip_rev; + /** Chip external revision */ + uint32_t chip_external_rev; + /** Family ID */ + uint32_t family_id; + /** Special flags */ + uint64_t ids_flags; + /** max engine clock*/ + uint64_t max_engine_clk; + /** max memory clock */ + uint64_t max_memory_clk; + /** number of shader engines */ + uint32_t num_shader_engines; + /** number of shader arrays per engine */ + uint32_t num_shader_arrays_per_engine; + /** Number of available good shader pipes */ + uint32_t avail_quad_shader_pipes; + /** Max. number of shader pipes.(including good and bad pipes */ + uint32_t max_quad_shader_pipes; + /** Number of parameter cache entries per shader quad pipe */ + uint32_t cache_entries_per_quad_pipe; + /** Number of available graphics context */ + uint32_t num_hw_gfx_contexts; + /** Number of render backend pipes */ + uint32_t rb_pipes; + /** Enabled render backend pipe mask */ + uint32_t enabled_rb_pipes_mask; + /** Frequency of GPU Counter */ + uint32_t gpu_counter_freq; + /** CC_RB_BACKEND_DISABLE.BACKEND_DISABLE per SE */ + uint32_t backend_disable[4]; + /** Value of MC_ARB_RAMCFG register*/ + uint32_t mc_arb_ramcfg; + /** Value of GB_ADDR_CONFIG */ + uint32_t gb_addr_cfg; + /** Values of the GB_TILE_MODE0..31 registers */ + uint32_t gb_tile_mode[32]; + /** Values of GB_MACROTILE_MODE0..15 registers */ + uint32_t gb_macro_tile_mode[16]; + /** Value of PA_SC_RASTER_CONFIG register per SE */ + uint32_t pa_sc_raster_cfg[4]; + /** Value of PA_SC_RASTER_CONFIG_1 register per SE */ + uint32_t pa_sc_raster_cfg1[4]; + /* CU info */ + uint32_t cu_active_number; + uint32_t cu_ao_mask; + uint32_t cu_bitmap[4][4]; + /* video memory type info*/ + uint32_t vram_type; + /* video memory bit width*/ + uint32_t vram_bit_width; + /** constant engine ram size*/ + uint32_t ce_ram_size; + /* vce harvesting instance */ + uint32_t vce_harvest_config; + /* PCI revision ID */ + uint32_t pci_rev_id; +}; + + +/*--------------------------------------------------------------------------*/ +/*------------------------- Functions --------------------------------------*/ +/*--------------------------------------------------------------------------*/ + +/* + * Initialization / Cleanup + * +*/ + +/** + * + * \param fd - \c [in] File descriptor for AMD GPU device + * received previously as the result of + * e.g. drmOpen() call. + * For legacy fd type, the DRI2/DRI3 + * authentication should be done before + * calling this function. + * \param major_version - \c [out] Major version of library. It is assumed + * that adding new functionality will cause + * increase in major version + * \param minor_version - \c [out] Minor version of library + * \param device_handle - \c [out] Pointer to opaque context which should + * be passed as the first parameter on each + * API call + * + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * + * \sa amdgpu_device_deinitialize() +*/ +int amdgpu_device_initialize(int fd, + uint32_t *major_version, + uint32_t *minor_version, + amdgpu_device_handle *device_handle); + +/** + * + * When access to such library does not needed any more the special + * function must be call giving opportunity to clean up any + * resources if needed. + * + * \param device_handle - \c [in] Context associated with file + * descriptor for AMD GPU device + * received previously as the + * result e.g. of drmOpen() call. + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_device_initialize() + * +*/ +int amdgpu_device_deinitialize(amdgpu_device_handle device_handle); + +/** + * + * /param device_handle - \c [in] Device handle. + * See #amdgpu_device_initialize() + * + * \return Returns the drm fd used for operations on this + * device. This is still owned by the library and hence + * should not be closed. Guaranteed to be valid until + * #amdgpu_device_deinitialize gets called. + * +*/ +int amdgpu_device_get_fd(amdgpu_device_handle device_handle); + +/* + * Memory Management + * +*/ + +/** + * Allocate memory to be used by UMD for GPU related operations + * + * \param dev - \c [in] Device handle. + * See #amdgpu_device_initialize() + * \param alloc_buffer - \c [in] Pointer to the structure describing an + * allocation request + * \param buf_handle - \c [out] Allocated buffer handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_bo_free() +*/ +int amdgpu_bo_alloc(amdgpu_device_handle dev, + struct amdgpu_bo_alloc_request *alloc_buffer, + amdgpu_bo_handle *buf_handle); + +/** + * Associate opaque data with buffer to be queried by another UMD + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param buf_handle - \c [in] Buffer handle + * \param info - \c [in] Metadata to associated with buffer + * + * \return 0 on success\n + * <0 - Negative POSIX Error code +*/ +int amdgpu_bo_set_metadata(amdgpu_bo_handle buf_handle, + struct amdgpu_bo_metadata *info); + +/** + * Query buffer information including metadata previusly associated with + * buffer. + * + * \param dev - \c [in] Device handle. + * See #amdgpu_device_initialize() + * \param buf_handle - \c [in] Buffer handle + * \param info - \c [out] Structure describing buffer + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_bo_set_metadata(), amdgpu_bo_alloc() +*/ +int amdgpu_bo_query_info(amdgpu_bo_handle buf_handle, + struct amdgpu_bo_info *info); + +/** + * Allow others to get access to buffer + * + * \param dev - \c [in] Device handle. + * See #amdgpu_device_initialize() + * \param buf_handle - \c [in] Buffer handle + * \param type - \c [in] Type of handle requested + * \param shared_handle - \c [out] Special "shared" handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_bo_import() + * +*/ +int amdgpu_bo_export(amdgpu_bo_handle buf_handle, + enum amdgpu_bo_handle_type type, + uint32_t *shared_handle); + +/** + * Request access to "shared" buffer + * + * \param dev - \c [in] Device handle. + * See #amdgpu_device_initialize() + * \param type - \c [in] Type of handle requested + * \param shared_handle - \c [in] Shared handle received as result "import" + * operation + * \param output - \c [out] Pointer to structure with information + * about imported buffer + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \note Buffer must be "imported" only using new "fd" (different from + * one used by "exporter"). + * + * \sa amdgpu_bo_export() + * +*/ +int amdgpu_bo_import(amdgpu_device_handle dev, + enum amdgpu_bo_handle_type type, + uint32_t shared_handle, + struct amdgpu_bo_import_result *output); + +/** + * Request GPU access to user allocated memory e.g. via "malloc" + * + * \param dev - [in] Device handle. See #amdgpu_device_initialize() + * \param cpu - [in] CPU address of user allocated memory which we + * want to map to GPU address space (make GPU accessible) + * (This address must be correctly aligned). + * \param size - [in] Size of allocation (must be correctly aligned) + * \param buf_handle - [out] Buffer handle for the userptr memory + * resource on submission and be used in other operations. + * + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \note + * This call doesn't guarantee that such memory will be persistently + * "locked" / make non-pageable. The purpose of this call is to provide + * opportunity for GPU get access to this resource during submission. + * + * The maximum amount of memory which could be mapped in this call depends + * if overcommit is disabled or not. If overcommit is disabled than the max. + * amount of memory to be pinned will be limited by left "free" size in total + * amount of memory which could be locked simultaneously ("GART" size). + * + * Supported (theoretical) max. size of mapping is restricted only by + * "GART" size. + * + * It is responsibility of caller to correctly specify access rights + * on VA assignment. +*/ +int amdgpu_create_bo_from_user_mem(amdgpu_device_handle dev, + void *cpu, uint64_t size, + amdgpu_bo_handle *buf_handle); + +/** + * Validate if the user memory comes from BO + * + * \param dev - [in] Device handle. See #amdgpu_device_initialize() + * \param cpu - [in] CPU address of user allocated memory which we + * want to map to GPU address space (make GPU accessible) + * (This address must be correctly aligned). + * \param size - [in] Size of allocation (must be correctly aligned) + * \param buf_handle - [out] Buffer handle for the userptr memory + * if the user memory is not from BO, the buf_handle will be NULL. + * \param offset_in_bo - [out] offset in this BO for this user memory + * + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_find_bo_by_cpu_mapping(amdgpu_device_handle dev, + void *cpu, + uint64_t size, + amdgpu_bo_handle *buf_handle, + uint64_t *offset_in_bo); + +/** + * Free previously allocated memory + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param buf_handle - \c [in] Buffer handle to free + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \note In the case of memory shared between different applications all + * resources will be “physically” freed only all such applications + * will be terminated + * \note If is UMD responsibility to ‘free’ buffer only when there is no + * more GPU access + * + * \sa amdgpu_bo_set_metadata(), amdgpu_bo_alloc() + * +*/ +int amdgpu_bo_free(amdgpu_bo_handle buf_handle); + +/** + * Increase the reference count of a buffer object + * + * \param bo - \c [in] Buffer object handle to increase the reference count + * + * \sa amdgpu_bo_alloc(), amdgpu_bo_free() + * +*/ +void amdgpu_bo_inc_ref(amdgpu_bo_handle bo); + +/** + * Request CPU access to GPU accessible memory + * + * \param buf_handle - \c [in] Buffer handle + * \param cpu - \c [out] CPU address to be used for access + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_bo_cpu_unmap() + * +*/ +int amdgpu_bo_cpu_map(amdgpu_bo_handle buf_handle, void **cpu); + +/** + * Release CPU access to GPU memory + * + * \param buf_handle - \c [in] Buffer handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_bo_cpu_map() + * +*/ +int amdgpu_bo_cpu_unmap(amdgpu_bo_handle buf_handle); + +/** + * Wait until a buffer is not used by the device. + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param buf_handle - \c [in] Buffer handle. + * \param timeout_ns - Timeout in nanoseconds. + * \param buffer_busy - 0 if buffer is idle, all GPU access was completed + * and no GPU access is scheduled. + * 1 GPU access is in fly or scheduled + * + * \return 0 - on success + * <0 - Negative POSIX Error code + */ +int amdgpu_bo_wait_for_idle(amdgpu_bo_handle buf_handle, + uint64_t timeout_ns, + bool *buffer_busy); + +/** + * Creates a BO list handle for command submission. + * + * \param dev - \c [in] Device handle. + * See #amdgpu_device_initialize() + * \param number_of_buffers - \c [in] Number of BOs in the list + * \param buffers - \c [in] List of BO handles + * \param result - \c [out] Created BO list handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_bo_list_destroy_raw(), amdgpu_cs_submit_raw2() +*/ +int amdgpu_bo_list_create_raw(amdgpu_device_handle dev, + uint32_t number_of_buffers, + struct drm_amdgpu_bo_list_entry *buffers, + uint32_t *result); + +/** + * Destroys a BO list handle. + * + * \param bo_list - \c [in] BO list handle. + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_bo_list_create_raw(), amdgpu_cs_submit_raw2() +*/ +int amdgpu_bo_list_destroy_raw(amdgpu_device_handle dev, uint32_t bo_list); + +/** + * Creates a BO list handle for command submission. + * + * \param dev - \c [in] Device handle. + * See #amdgpu_device_initialize() + * \param number_of_resources - \c [in] Number of BOs in the list + * \param resources - \c [in] List of BO handles + * \param resource_prios - \c [in] Optional priority for each handle + * \param result - \c [out] Created BO list handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_bo_list_destroy() +*/ +int amdgpu_bo_list_create(amdgpu_device_handle dev, + uint32_t number_of_resources, + amdgpu_bo_handle *resources, + uint8_t *resource_prios, + amdgpu_bo_list_handle *result); + +/** + * Destroys a BO list handle. + * + * \param handle - \c [in] BO list handle. + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_bo_list_create() +*/ +int amdgpu_bo_list_destroy(amdgpu_bo_list_handle handle); + +/** + * Update resources for existing BO list + * + * \param handle - \c [in] BO list handle + * \param number_of_resources - \c [in] Number of BOs in the list + * \param resources - \c [in] List of BO handles + * \param resource_prios - \c [in] Optional priority for each handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_bo_list_update() +*/ +int amdgpu_bo_list_update(amdgpu_bo_list_handle handle, + uint32_t number_of_resources, + amdgpu_bo_handle *resources, + uint8_t *resource_prios); + +/* + * GPU Execution context + * +*/ + +/** + * Create GPU execution Context + * + * For the purpose of GPU Scheduler and GPU Robustness extensions it is + * necessary to have information/identify rendering/compute contexts. + * It also may be needed to associate some specific requirements with such + * contexts. Kernel driver will guarantee that submission from the same + * context will always be executed in order (first come, first serve). + * + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param priority - \c [in] Context creation flags. See AMDGPU_CTX_PRIORITY_* + * \param context - \c [out] GPU Context handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_cs_ctx_free() + * +*/ +int amdgpu_cs_ctx_create2(amdgpu_device_handle dev, + uint32_t priority, + amdgpu_context_handle *context); +/** + * Create GPU execution Context + * + * Refer to amdgpu_cs_ctx_create2 for full documentation. This call + * is missing the priority parameter. + * + * \sa amdgpu_cs_ctx_create2() + * +*/ +int amdgpu_cs_ctx_create(amdgpu_device_handle dev, + amdgpu_context_handle *context); + +/** + * + * Destroy GPU execution context when not needed any more + * + * \param context - \c [in] GPU Context handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_cs_ctx_create() + * +*/ +int amdgpu_cs_ctx_free(amdgpu_context_handle context); + +/** + * Override the submission priority for the given context using a master fd. + * + * \param dev - \c [in] device handle + * \param context - \c [in] context handle for context id + * \param master_fd - \c [in] The master fd to authorize the override. + * \param priority - \c [in] The priority to assign to the context. + * + * \return 0 on success or a a negative Posix error code on failure. + */ +int amdgpu_cs_ctx_override_priority(amdgpu_device_handle dev, + amdgpu_context_handle context, + int master_fd, + unsigned priority); + +/** + * Set or query the stable power state for GPU profiling. + * + * \param dev - \c [in] device handle + * \param op - \c [in] AMDGPU_CTX_OP_{GET,SET}_STABLE_PSTATE + * \param flags - \c [in] AMDGPU_CTX_STABLE_PSTATE_* + * \param out_flags - \c [out] output current stable pstate + * + * \return 0 on success otherwise POSIX Error code. + */ +int amdgpu_cs_ctx_stable_pstate(amdgpu_context_handle context, + uint32_t op, + uint32_t flags, + uint32_t *out_flags); + +/** + * Query reset state for the specific GPU Context + * + * \param context - \c [in] GPU Context handle + * \param state - \c [out] One of AMDGPU_CTX_*_RESET + * \param hangs - \c [out] Number of hangs caused by the context. + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_cs_ctx_create() + * +*/ +int amdgpu_cs_query_reset_state(amdgpu_context_handle context, + uint32_t *state, uint32_t *hangs); + +/** + * Query reset state for the specific GPU Context. + * + * \param context - \c [in] GPU Context handle + * \param flags - \c [out] A combination of AMDGPU_CTX_QUERY2_FLAGS_* + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_cs_ctx_create() + * +*/ +int amdgpu_cs_query_reset_state2(amdgpu_context_handle context, + uint64_t *flags); + +/* + * Command Buffers Management + * +*/ + +/** + * Send request to submit command buffers to hardware. + * + * Kernel driver could use GPU Scheduler to make decision when physically + * sent this request to the hardware. Accordingly this request could be put + * in queue and sent for execution later. The only guarantee is that request + * from the same GPU context to the same ip:ip_instance:ring will be executed in + * order. + * + * The caller can specify the user fence buffer/location with the fence_info in the + * cs_request.The sequence number is returned via the 'seq_no' parameter + * in ibs_request structure. + * + * + * \param dev - \c [in] Device handle. + * See #amdgpu_device_initialize() + * \param context - \c [in] GPU Context + * \param flags - \c [in] Global submission flags + * \param ibs_request - \c [in/out] Pointer to submission requests. + * We could submit to the several + * engines/rings simulteniously as + * 'atomic' operation + * \param number_of_requests - \c [in] Number of submission requests + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \note It is required to pass correct resource list with buffer handles + * which will be accessible by command buffers from submission + * This will allow kernel driver to correctly implement "paging". + * Failure to do so will have unpredictable results. + * + * \sa amdgpu_command_buffer_alloc(), amdgpu_command_buffer_free(), + * amdgpu_cs_query_fence_status() + * +*/ +int amdgpu_cs_submit(amdgpu_context_handle context, + uint64_t flags, + struct amdgpu_cs_request *ibs_request, + uint32_t number_of_requests); + +/** + * Query status of Command Buffer Submission + * + * \param fence - \c [in] Structure describing fence to query + * \param timeout_ns - \c [in] Timeout value to wait + * \param flags - \c [in] Flags for the query + * \param expired - \c [out] If fence expired or not.\n + * 0 – if fence is not expired\n + * !0 - otherwise + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \note If UMD wants only to check operation status and returned immediately + * then timeout value as 0 must be passed. In this case success will be + * returned in the case if submission was completed or timeout error + * code. + * + * \sa amdgpu_cs_submit() +*/ +int amdgpu_cs_query_fence_status(struct amdgpu_cs_fence *fence, + uint64_t timeout_ns, + uint64_t flags, + uint32_t *expired); + +/** + * Wait for multiple fences + * + * \param fences - \c [in] The fence array to wait + * \param fence_count - \c [in] The fence count + * \param wait_all - \c [in] If true, wait all fences to be signaled, + * otherwise, wait at least one fence + * \param timeout_ns - \c [in] The timeout to wait, in nanoseconds + * \param status - \c [out] '1' for signaled, '0' for timeout + * \param first - \c [out] the index of the first signaled fence from @fences + * + * \return 0 on success + * <0 - Negative POSIX Error code + * + * \note Currently it supports only one amdgpu_device. All fences come from + * the same amdgpu_device with the same fd. +*/ +int amdgpu_cs_wait_fences(struct amdgpu_cs_fence *fences, + uint32_t fence_count, + bool wait_all, + uint64_t timeout_ns, + uint32_t *status, uint32_t *first); + +/* + * Query / Info API + * +*/ + +/** + * Query allocation size alignments + * + * UMD should query information about GPU VM MC size alignments requirements + * to be able correctly choose required allocation size and implement + * internal optimization if needed. + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param info - \c [out] Pointer to structure to get size alignment + * requirements + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_query_buffer_size_alignment(amdgpu_device_handle dev, + struct amdgpu_buffer_size_alignments + *info); + +/** + * Query firmware versions + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param fw_type - \c [in] AMDGPU_INFO_FW_* + * \param ip_instance - \c [in] Index of the IP block of the same type. + * \param index - \c [in] Index of the engine. (for SDMA and MEC) + * \param version - \c [out] Pointer to to the "version" return value + * \param feature - \c [out] Pointer to to the "feature" return value + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_query_firmware_version(amdgpu_device_handle dev, unsigned fw_type, + unsigned ip_instance, unsigned index, + uint32_t *version, uint32_t *feature); + +/** + * Query the number of HW IP instances of a certain type. + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param type - \c [in] Hardware IP block type = AMDGPU_HW_IP_* + * \param count - \c [out] Pointer to structure to get information + * + * \return 0 on success\n + * <0 - Negative POSIX Error code +*/ +int amdgpu_query_hw_ip_count(amdgpu_device_handle dev, unsigned type, + uint32_t *count); + +/** + * Query engine information + * + * This query allows UMD to query information different engines and their + * capabilities. + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param type - \c [in] Hardware IP block type = AMDGPU_HW_IP_* + * \param ip_instance - \c [in] Index of the IP block of the same type. + * \param info - \c [out] Pointer to structure to get information + * + * \return 0 on success\n + * <0 - Negative POSIX Error code +*/ +int amdgpu_query_hw_ip_info(amdgpu_device_handle dev, unsigned type, + unsigned ip_instance, + struct drm_amdgpu_info_hw_ip *info); + +/** + * Query heap information + * + * This query allows UMD to query potentially available memory resources and + * adjust their logic if necessary. + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param heap - \c [in] Heap type + * \param info - \c [in] Pointer to structure to get needed information + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_query_heap_info(amdgpu_device_handle dev, uint32_t heap, + uint32_t flags, struct amdgpu_heap_info *info); + +/** + * Get the CRTC ID from the mode object ID + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param id - \c [in] Mode object ID + * \param result - \c [in] Pointer to the CRTC ID + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_query_crtc_from_id(amdgpu_device_handle dev, unsigned id, + int32_t *result); + +/** + * Query GPU H/w Info + * + * Query hardware specific information + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param heap - \c [in] Heap type + * \param info - \c [in] Pointer to structure to get needed information + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_query_gpu_info(amdgpu_device_handle dev, + struct amdgpu_gpu_info *info); + +/** + * Query hardware or driver information. + * + * The return size is query-specific and depends on the "info_id" parameter. + * No more than "size" bytes is returned. + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param info_id - \c [in] AMDGPU_INFO_* + * \param size - \c [in] Size of the returned value. + * \param value - \c [out] Pointer to the return value. + * + * \return 0 on success\n + * <0 - Negative POSIX error code + * +*/ +int amdgpu_query_info(amdgpu_device_handle dev, unsigned info_id, + unsigned size, void *value); + +/** + * Query hardware or driver information. + * + * The return size is query-specific and depends on the "info_id" parameter. + * No more than "size" bytes is returned. + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param info - \c [in] amdgpu_sw_info_* + * \param value - \c [out] Pointer to the return value. + * + * \return 0 on success\n + * <0 - Negative POSIX error code + * +*/ +int amdgpu_query_sw_info(amdgpu_device_handle dev, enum amdgpu_sw_info info, + void *value); + +/** + * Query information about GDS + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param gds_info - \c [out] Pointer to structure to get GDS information + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_query_gds_info(amdgpu_device_handle dev, + struct amdgpu_gds_resource_info *gds_info); + +/** + * Query information about sensor. + * + * The return size is query-specific and depends on the "sensor_type" + * parameter. No more than "size" bytes is returned. + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param sensor_type - \c [in] AMDGPU_INFO_SENSOR_* + * \param size - \c [in] Size of the returned value. + * \param value - \c [out] Pointer to the return value. + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_query_sensor_info(amdgpu_device_handle dev, unsigned sensor_type, + unsigned size, void *value); + +/** + * Query information about video capabilities + * + * The return sizeof(struct drm_amdgpu_info_video_caps) + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param caps_type - \c [in] AMDGPU_INFO_VIDEO_CAPS_DECODE(ENCODE) + * \param size - \c [in] Size of the returned value. + * \param value - \c [out] Pointer to the return value. + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_query_video_caps_info(amdgpu_device_handle dev, unsigned cap_type, + unsigned size, void *value); + +/** + * Read a set of consecutive memory-mapped registers. + * Not all registers are allowed to be read by userspace. + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize( + * \param dword_offset - \c [in] Register offset in dwords + * \param count - \c [in] The number of registers to read starting + * from the offset + * \param instance - \c [in] GRBM_GFX_INDEX selector. It may have other + * uses. Set it to 0xffffffff if unsure. + * \param flags - \c [in] Flags with additional information. + * \param values - \c [out] The pointer to return values. + * + * \return 0 on success\n + * <0 - Negative POSIX error code + * +*/ +int amdgpu_read_mm_registers(amdgpu_device_handle dev, unsigned dword_offset, + unsigned count, uint32_t instance, uint32_t flags, + uint32_t *values); + +/** + * Flag to request VA address range in the 32bit address space +*/ +#define AMDGPU_VA_RANGE_32_BIT 0x1 +#define AMDGPU_VA_RANGE_HIGH 0x2 +#define AMDGPU_VA_RANGE_REPLAYABLE 0x4 + +/** + * Allocate virtual address range + * + * \param dev - [in] Device handle. See #amdgpu_device_initialize() + * \param va_range_type - \c [in] Type of MC va range from which to allocate + * \param size - \c [in] Size of range. Size must be correctly* aligned. + * It is client responsibility to correctly aligned size based on the future + * usage of allocated range. + * \param va_base_alignment - \c [in] Overwrite base address alignment + * requirement for GPU VM MC virtual + * address assignment. Must be multiple of size alignments received as + * 'amdgpu_buffer_size_alignments'. + * If 0 use the default one. + * \param va_base_required - \c [in] Specified required va base address. + * If 0 then library choose available one. + * If !0 value will be passed and those value already "in use" then + * corresponding error status will be returned. + * \param va_base_allocated - \c [out] On return: Allocated VA base to be used + * by client. + * \param va_range_handle - \c [out] On return: Handle assigned to allocation + * \param flags - \c [in] flags for special VA range + * + * \return 0 on success\n + * >0 - AMD specific error code\n + * <0 - Negative POSIX Error code + * + * \notes \n + * It is client responsibility to correctly handle VA assignments and usage. + * Neither kernel driver nor libdrm_amdpgu are able to prevent and + * detect wrong va assignment. + * + * It is client responsibility to correctly handle multi-GPU cases and to pass + * the corresponding arrays of all devices handles where corresponding VA will + * be used. + * +*/ +int amdgpu_va_range_alloc(amdgpu_device_handle dev, + enum amdgpu_gpu_va_range va_range_type, + uint64_t size, + uint64_t va_base_alignment, + uint64_t va_base_required, + uint64_t *va_base_allocated, + amdgpu_va_handle *va_range_handle, + uint64_t flags); + +/** + * Free previously allocated virtual address range + * + * + * \param va_range_handle - \c [in] Handle assigned to VA allocation + * + * \return 0 on success\n + * >0 - AMD specific error code\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_va_range_free(amdgpu_va_handle va_range_handle); + +/** +* Query virtual address range +* +* UMD can query GPU VM range supported by each device +* to initialize its own VAM accordingly. +* +* \param dev - [in] Device handle. See #amdgpu_device_initialize() +* \param type - \c [in] Type of virtual address range +* \param offset - \c [out] Start offset of virtual address range +* \param size - \c [out] Size of virtual address range +* +* \return 0 on success\n +* <0 - Negative POSIX Error code +* +*/ + +int amdgpu_va_range_query(amdgpu_device_handle dev, + enum amdgpu_gpu_va_range type, + uint64_t *start, + uint64_t *end); + +/** + * VA mapping/unmapping for the buffer object + * + * \param bo - \c [in] BO handle + * \param offset - \c [in] Start offset to map + * \param size - \c [in] Size to map + * \param addr - \c [in] Start virtual address. + * \param flags - \c [in] Supported flags for mapping/unmapping + * \param ops - \c [in] AMDGPU_VA_OP_MAP or AMDGPU_VA_OP_UNMAP + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ + +int amdgpu_bo_va_op(amdgpu_bo_handle bo, + uint64_t offset, + uint64_t size, + uint64_t addr, + uint64_t flags, + uint32_t ops); + +/** + * VA mapping/unmapping for a buffer object or PRT region. + * + * This is not a simple drop-in extension for amdgpu_bo_va_op; instead, all + * parameters are treated "raw", i.e. size is not automatically aligned, and + * all flags must be specified explicitly. + * + * \param dev - \c [in] device handle + * \param bo - \c [in] BO handle (may be NULL) + * \param offset - \c [in] Start offset to map + * \param size - \c [in] Size to map + * \param addr - \c [in] Start virtual address. + * \param flags - \c [in] Supported flags for mapping/unmapping + * \param ops - \c [in] AMDGPU_VA_OP_MAP or AMDGPU_VA_OP_UNMAP + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ + +int amdgpu_bo_va_op_raw(amdgpu_device_handle dev, + amdgpu_bo_handle bo, + uint64_t offset, + uint64_t size, + uint64_t addr, + uint64_t flags, + uint32_t ops); + +/** + * create semaphore + * + * \param sem - \c [out] semaphore handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_create_semaphore(amdgpu_semaphore_handle *sem); + +/** + * signal semaphore + * + * \param context - \c [in] GPU Context + * \param ip_type - \c [in] Hardware IP block type = AMDGPU_HW_IP_* + * \param ip_instance - \c [in] Index of the IP block of the same type + * \param ring - \c [in] Specify ring index of the IP + * \param sem - \c [in] semaphore handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_signal_semaphore(amdgpu_context_handle ctx, + uint32_t ip_type, + uint32_t ip_instance, + uint32_t ring, + amdgpu_semaphore_handle sem); + +/** + * wait semaphore + * + * \param context - \c [in] GPU Context + * \param ip_type - \c [in] Hardware IP block type = AMDGPU_HW_IP_* + * \param ip_instance - \c [in] Index of the IP block of the same type + * \param ring - \c [in] Specify ring index of the IP + * \param sem - \c [in] semaphore handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_wait_semaphore(amdgpu_context_handle ctx, + uint32_t ip_type, + uint32_t ip_instance, + uint32_t ring, + amdgpu_semaphore_handle sem); + +/** + * destroy semaphore + * + * \param sem - \c [in] semaphore handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_destroy_semaphore(amdgpu_semaphore_handle sem); + +/** + * Get the ASIC marketing name + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * + * \return the constant string of the marketing name + * "NULL" means the ASIC is not found +*/ +const char *amdgpu_get_marketing_name(amdgpu_device_handle dev); + +/** + * Create kernel sync object + * + * \param dev - \c [in] device handle + * \param flags - \c [in] flags that affect creation + * \param syncobj - \c [out] sync object handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_create_syncobj2(amdgpu_device_handle dev, + uint32_t flags, + uint32_t *syncobj); + +/** + * Create kernel sync object + * + * \param dev - \c [in] device handle + * \param syncobj - \c [out] sync object handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_create_syncobj(amdgpu_device_handle dev, + uint32_t *syncobj); +/** + * Destroy kernel sync object + * + * \param dev - \c [in] device handle + * \param syncobj - \c [in] sync object handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_destroy_syncobj(amdgpu_device_handle dev, + uint32_t syncobj); + +/** + * Reset kernel sync objects to unsignalled state. + * + * \param dev - \c [in] device handle + * \param syncobjs - \c [in] array of sync object handles + * \param syncobj_count - \c [in] number of handles in syncobjs + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_syncobj_reset(amdgpu_device_handle dev, + const uint32_t *syncobjs, uint32_t syncobj_count); + +/** + * Signal kernel sync objects. + * + * \param dev - \c [in] device handle + * \param syncobjs - \c [in] array of sync object handles + * \param syncobj_count - \c [in] number of handles in syncobjs + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_syncobj_signal(amdgpu_device_handle dev, + const uint32_t *syncobjs, uint32_t syncobj_count); + +/** + * Signal kernel timeline sync objects. + * + * \param dev - \c [in] device handle + * \param syncobjs - \c [in] array of sync object handles + * \param points - \c [in] array of timeline points + * \param syncobj_count - \c [in] number of handles in syncobjs + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_syncobj_timeline_signal(amdgpu_device_handle dev, + const uint32_t *syncobjs, + uint64_t *points, + uint32_t syncobj_count); + +/** + * Wait for one or all sync objects to signal. + * + * \param dev - \c [in] self-explanatory + * \param handles - \c [in] array of sync object handles + * \param num_handles - \c [in] self-explanatory + * \param timeout_nsec - \c [in] self-explanatory + * \param flags - \c [in] a bitmask of DRM_SYNCOBJ_WAIT_FLAGS_* + * \param first_signaled - \c [in] self-explanatory + * + * \return 0 on success\n + * -ETIME - Timeout + * <0 - Negative POSIX Error code + * + */ +int amdgpu_cs_syncobj_wait(amdgpu_device_handle dev, + uint32_t *handles, unsigned num_handles, + int64_t timeout_nsec, unsigned flags, + uint32_t *first_signaled); + +/** + * Wait for one or all sync objects on their points to signal. + * + * \param dev - \c [in] self-explanatory + * \param handles - \c [in] array of sync object handles + * \param points - \c [in] array of sync points to wait + * \param num_handles - \c [in] self-explanatory + * \param timeout_nsec - \c [in] self-explanatory + * \param flags - \c [in] a bitmask of DRM_SYNCOBJ_WAIT_FLAGS_* + * \param first_signaled - \c [in] self-explanatory + * + * \return 0 on success\n + * -ETIME - Timeout + * <0 - Negative POSIX Error code + * + */ +int amdgpu_cs_syncobj_timeline_wait(amdgpu_device_handle dev, + uint32_t *handles, uint64_t *points, + unsigned num_handles, + int64_t timeout_nsec, unsigned flags, + uint32_t *first_signaled); +/** + * Query sync objects payloads. + * + * \param dev - \c [in] self-explanatory + * \param handles - \c [in] array of sync object handles + * \param points - \c [out] array of sync points returned, which presents + * syncobj payload. + * \param num_handles - \c [in] self-explanatory + * + * \return 0 on success\n + * -ETIME - Timeout + * <0 - Negative POSIX Error code + * + */ +int amdgpu_cs_syncobj_query(amdgpu_device_handle dev, + uint32_t *handles, uint64_t *points, + unsigned num_handles); +/** + * Query sync objects last signaled or submitted point. + * + * \param dev - \c [in] self-explanatory + * \param handles - \c [in] array of sync object handles + * \param points - \c [out] array of sync points returned, which presents + * syncobj payload. + * \param num_handles - \c [in] self-explanatory + * \param flags - \c [in] a bitmask of DRM_SYNCOBJ_QUERY_FLAGS_* + * + * \return 0 on success\n + * -ETIME - Timeout + * <0 - Negative POSIX Error code + * + */ +int amdgpu_cs_syncobj_query2(amdgpu_device_handle dev, + uint32_t *handles, uint64_t *points, + unsigned num_handles, uint32_t flags); + +/** + * Export kernel sync object to shareable fd. + * + * \param dev - \c [in] device handle + * \param syncobj - \c [in] sync object handle + * \param shared_fd - \c [out] shared file descriptor. + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_export_syncobj(amdgpu_device_handle dev, + uint32_t syncobj, + int *shared_fd); +/** + * Import kernel sync object from shareable fd. + * + * \param dev - \c [in] device handle + * \param shared_fd - \c [in] shared file descriptor. + * \param syncobj - \c [out] sync object handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * +*/ +int amdgpu_cs_import_syncobj(amdgpu_device_handle dev, + int shared_fd, + uint32_t *syncobj); + +/** + * Export kernel sync object to a sync_file. + * + * \param dev - \c [in] device handle + * \param syncobj - \c [in] sync object handle + * \param sync_file_fd - \c [out] sync_file file descriptor. + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + */ +int amdgpu_cs_syncobj_export_sync_file(amdgpu_device_handle dev, + uint32_t syncobj, + int *sync_file_fd); + +/** + * Import kernel sync object from a sync_file. + * + * \param dev - \c [in] device handle + * \param syncobj - \c [in] sync object handle + * \param sync_file_fd - \c [in] sync_file file descriptor. + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + */ +int amdgpu_cs_syncobj_import_sync_file(amdgpu_device_handle dev, + uint32_t syncobj, + int sync_file_fd); +/** + * Export kernel timeline sync object to a sync_file. + * + * \param dev - \c [in] device handle + * \param syncobj - \c [in] sync object handle + * \param point - \c [in] timeline point + * \param flags - \c [in] flags + * \param sync_file_fd - \c [out] sync_file file descriptor. + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + */ +int amdgpu_cs_syncobj_export_sync_file2(amdgpu_device_handle dev, + uint32_t syncobj, + uint64_t point, + uint32_t flags, + int *sync_file_fd); + +/** + * Import kernel timeline sync object from a sync_file. + * + * \param dev - \c [in] device handle + * \param syncobj - \c [in] sync object handle + * \param point - \c [in] timeline point + * \param sync_file_fd - \c [in] sync_file file descriptor. + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + */ +int amdgpu_cs_syncobj_import_sync_file2(amdgpu_device_handle dev, + uint32_t syncobj, + uint64_t point, + int sync_file_fd); + +/** + * transfer between syncbojs. + * + * \param dev - \c [in] device handle + * \param dst_handle - \c [in] sync object handle + * \param dst_point - \c [in] timeline point, 0 presents dst is binary + * \param src_handle - \c [in] sync object handle + * \param src_point - \c [in] timeline point, 0 presents src is binary + * \param flags - \c [in] flags + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + */ +int amdgpu_cs_syncobj_transfer(amdgpu_device_handle dev, + uint32_t dst_handle, + uint64_t dst_point, + uint32_t src_handle, + uint64_t src_point, + uint32_t flags); + +/** + * Export an amdgpu fence as a handle (syncobj or fd). + * + * \param what AMDGPU_FENCE_TO_HANDLE_GET_{SYNCOBJ, FD} + * \param out_handle returned handle + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + */ +int amdgpu_cs_fence_to_handle(amdgpu_device_handle dev, + struct amdgpu_cs_fence *fence, + uint32_t what, + uint32_t *out_handle); + +/** + * Submit raw command submission to kernel + * + * \param dev - \c [in] device handle + * \param context - \c [in] context handle for context id + * \param bo_list_handle - \c [in] request bo list handle (0 for none) + * \param num_chunks - \c [in] number of CS chunks to submit + * \param chunks - \c [in] array of CS chunks + * \param seq_no - \c [out] output sequence number for submission. + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + */ +struct drm_amdgpu_cs_chunk; +struct drm_amdgpu_cs_chunk_dep; +struct drm_amdgpu_cs_chunk_data; + +int amdgpu_cs_submit_raw(amdgpu_device_handle dev, + amdgpu_context_handle context, + amdgpu_bo_list_handle bo_list_handle, + int num_chunks, + struct drm_amdgpu_cs_chunk *chunks, + uint64_t *seq_no); + +/** + * Submit raw command submission to the kernel with a raw BO list handle. + * + * \param dev - \c [in] device handle + * \param context - \c [in] context handle for context id + * \param bo_list_handle - \c [in] raw bo list handle (0 for none) + * \param num_chunks - \c [in] number of CS chunks to submit + * \param chunks - \c [in] array of CS chunks + * \param seq_no - \c [out] output sequence number for submission. + * + * \return 0 on success\n + * <0 - Negative POSIX Error code + * + * \sa amdgpu_bo_list_create_raw(), amdgpu_bo_list_destroy_raw() + */ +int amdgpu_cs_submit_raw2(amdgpu_device_handle dev, + amdgpu_context_handle context, + uint32_t bo_list_handle, + int num_chunks, + struct drm_amdgpu_cs_chunk *chunks, + uint64_t *seq_no); + +void amdgpu_cs_chunk_fence_to_dep(struct amdgpu_cs_fence *fence, + struct drm_amdgpu_cs_chunk_dep *dep); +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_device_handle dev, 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_device_handle dev, uint32_t flags); + +#ifdef __cplusplus +} +#endif +#endif /* #ifdef _AMDGPU_H_ */ |