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authorAlex Deucher <alexander.deucher@amd.com>2015-04-20 16:42:01 -0400
committerAlex Deucher <alexander.deucher@amd.com>2015-06-03 21:03:10 -0400
commit81629cba1f12683f2a312e6fb41a3aa662f99f89 (patch)
tree70989d5f0ee21d7b2aa04bedd934a24408fba69f /include/uapi/drm
parentc481a6802e156a3666f1820674ed0c0828787bfa (diff)
drm/amdgpu: add amdgpu uapi header (v4)
This header defines the ioctl interface to the driver. v2: remove stale tiling defines v3: add appropriate padding v4: remove executable bits on header Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Jammy Zhou <Jammy.Zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include/uapi/drm')
-rw-r--r--include/uapi/drm/amdgpu_drm.h590
1 files changed, 590 insertions, 0 deletions
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
new file mode 100644
index 000000000000..9e771fb858b4
--- /dev/null
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -0,0 +1,590 @@
+/* amdgpu_drm.h -- Public header for the amdgpu driver -*- linux-c -*-
+ *
+ * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
+ * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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.
+ *
+ * Authors:
+ * Kevin E. Martin <martin@valinux.com>
+ * Gareth Hughes <gareth@valinux.com>
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#ifndef __AMDGPU_DRM_H__
+#define __AMDGPU_DRM_H__
+
+#include <drm/drm.h>
+
+#define DRM_AMDGPU_GEM_CREATE 0x00
+#define DRM_AMDGPU_GEM_MMAP 0x01
+#define DRM_AMDGPU_CTX 0x02
+#define DRM_AMDGPU_BO_LIST 0x03
+#define DRM_AMDGPU_CS 0x04
+#define DRM_AMDGPU_INFO 0x05
+#define DRM_AMDGPU_GEM_METADATA 0x06
+#define DRM_AMDGPU_GEM_WAIT_IDLE 0x07
+#define DRM_AMDGPU_GEM_VA 0x08
+#define DRM_AMDGPU_WAIT_CS 0x09
+#define DRM_AMDGPU_GEM_OP 0x10
+#define DRM_AMDGPU_GEM_USERPTR 0x11
+
+#define DRM_IOCTL_AMDGPU_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_CREATE, union drm_amdgpu_gem_create)
+#define DRM_IOCTL_AMDGPU_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_MMAP, union drm_amdgpu_gem_mmap)
+#define DRM_IOCTL_AMDGPU_CTX DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_CTX, union drm_amdgpu_ctx)
+#define DRM_IOCTL_AMDGPU_BO_LIST DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_BO_LIST, union drm_amdgpu_bo_list)
+#define DRM_IOCTL_AMDGPU_CS DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_CS, union drm_amdgpu_cs)
+#define DRM_IOCTL_AMDGPU_INFO DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_INFO, struct drm_amdgpu_info)
+#define DRM_IOCTL_AMDGPU_GEM_METADATA DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_METADATA, struct drm_amdgpu_gem_metadata)
+#define DRM_IOCTL_AMDGPU_GEM_WAIT_IDLE DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_WAIT_IDLE, union drm_amdgpu_gem_wait_idle)
+#define DRM_IOCTL_AMDGPU_GEM_VA DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_VA, union drm_amdgpu_gem_va)
+#define DRM_IOCTL_AMDGPU_WAIT_CS DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_WAIT_CS, union drm_amdgpu_wait_cs)
+#define DRM_IOCTL_AMDGPU_GEM_OP DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_OP, struct drm_amdgpu_gem_op)
+#define DRM_IOCTL_AMDGPU_GEM_USERPTR DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_USERPTR, struct drm_amdgpu_gem_userptr)
+
+#define AMDGPU_GEM_DOMAIN_CPU 0x1
+#define AMDGPU_GEM_DOMAIN_GTT 0x2
+#define AMDGPU_GEM_DOMAIN_VRAM 0x4
+#define AMDGPU_GEM_DOMAIN_GDS 0x8
+#define AMDGPU_GEM_DOMAIN_GWS 0x10
+#define AMDGPU_GEM_DOMAIN_OA 0x20
+
+#define AMDGPU_GEM_DOMAIN_MASK 0x3F
+
+/* Flag that CPU access will be required for the case of VRAM domain */
+#define AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED (1 << 0)
+/* Flag that CPU access will not work, this VRAM domain is invisible */
+#define AMDGPU_GEM_CREATE_NO_CPU_ACCESS (1 << 1)
+/* Flag that un-cached attributes should be used for GTT */
+#define AMDGPU_GEM_CREATE_CPU_GTT_UC (1 << 2)
+/* Flag that USWC attributes should be used for GTT */
+#define AMDGPU_GEM_CREATE_CPU_GTT_WC (1 << 3)
+
+/* Flag mask for GTT domain_flags */
+#define AMDGPU_GEM_CREATE_CPU_GTT_MASK \
+ (AMDGPU_GEM_CREATE_CPU_GTT_WC | \
+ AMDGPU_GEM_CREATE_CPU_GTT_UC | \
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | \
+ AMDGPU_GEM_CREATE_NO_CPU_ACCESS)
+
+struct drm_amdgpu_gem_create_in {
+ /** the requested memory size */
+ uint64_t bo_size;
+ /** physical start_addr alignment in bytes for some HW requirements */
+ uint64_t alignment;
+ /** the requested memory domains */
+ uint64_t domains;
+ /** allocation flags */
+ uint64_t domain_flags;
+};
+
+struct drm_amdgpu_gem_create_out {
+ /** returned GEM object handle */
+ uint32_t handle;
+ uint32_t _pad;
+};
+
+union drm_amdgpu_gem_create {
+ struct drm_amdgpu_gem_create_in in;
+ struct drm_amdgpu_gem_create_out out;
+};
+
+/** Opcode to create new residency list. */
+#define AMDGPU_BO_LIST_OP_CREATE 0
+/** Opcode to destroy previously created residency list */
+#define AMDGPU_BO_LIST_OP_DESTROY 1
+/** Opcode to update resource information in the list */
+#define AMDGPU_BO_LIST_OP_UPDATE 2
+
+struct drm_amdgpu_bo_list_in {
+ /** Type of operation */
+ uint32_t operation;
+ /** Handle of list or 0 if we want to create one */
+ uint32_t list_handle;
+ /** Number of BOs in list */
+ uint32_t bo_number;
+ /** Size of each element describing BO */
+ uint32_t bo_info_size;
+ /** Pointer to array describing BOs */
+ uint64_t bo_info_ptr;
+};
+
+struct drm_amdgpu_bo_list_entry {
+ /** Handle of BO */
+ uint32_t bo_handle;
+ /** New (if specified) BO priority to be used during migration */
+ uint32_t bo_priority;
+};
+
+struct drm_amdgpu_bo_list_out {
+ /** Handle of resource list */
+ uint32_t list_handle;
+ uint32_t _pad;
+};
+
+union drm_amdgpu_bo_list {
+ struct drm_amdgpu_bo_list_in in;
+ struct drm_amdgpu_bo_list_out out;
+};
+
+/* context related */
+#define AMDGPU_CTX_OP_ALLOC_CTX 1
+#define AMDGPU_CTX_OP_FREE_CTX 2
+#define AMDGPU_CTX_OP_QUERY_STATE 3
+
+#define AMDGPU_CTX_OP_STATE_RUNNING 1
+
+struct drm_amdgpu_ctx_in {
+ uint32_t op;
+ uint32_t flags;
+ uint32_t ctx_id;
+ uint32_t _pad;
+};
+
+union drm_amdgpu_ctx_out {
+ struct {
+ uint32_t ctx_id;
+ uint32_t _pad;
+ } alloc;
+
+ struct {
+ uint64_t flags;
+ uint64_t hangs;
+ } state;
+};
+
+union drm_amdgpu_ctx {
+ struct drm_amdgpu_ctx_in in;
+ union drm_amdgpu_ctx_out out;
+};
+
+/*
+ * This is not a reliable API and you should expect it to fail for any
+ * number of reasons and have fallback path that do not use userptr to
+ * perform any operation.
+ */
+#define AMDGPU_GEM_USERPTR_READONLY (1 << 0)
+#define AMDGPU_GEM_USERPTR_ANONONLY (1 << 1)
+#define AMDGPU_GEM_USERPTR_VALIDATE (1 << 2)
+#define AMDGPU_GEM_USERPTR_REGISTER (1 << 3)
+
+struct drm_amdgpu_gem_userptr {
+ uint64_t addr;
+ uint64_t size;
+ uint32_t flags;
+ uint32_t handle;
+};
+
+#define AMDGPU_TILING_MACRO 0x1
+#define AMDGPU_TILING_MICRO 0x2
+#define AMDGPU_TILING_SWAP_16BIT 0x4
+#define AMDGPU_TILING_R600_NO_SCANOUT AMDGPU_TILING_SWAP_16BIT
+#define AMDGPU_TILING_SWAP_32BIT 0x8
+/* this object requires a surface when mapped - i.e. front buffer */
+#define AMDGPU_TILING_SURFACE 0x10
+#define AMDGPU_TILING_MICRO_SQUARE 0x20
+#define AMDGPU_TILING_EG_BANKW_SHIFT 8
+#define AMDGPU_TILING_EG_BANKW_MASK 0xf
+#define AMDGPU_TILING_EG_BANKH_SHIFT 12
+#define AMDGPU_TILING_EG_BANKH_MASK 0xf
+#define AMDGPU_TILING_EG_MACRO_TILE_ASPECT_SHIFT 16
+#define AMDGPU_TILING_EG_MACRO_TILE_ASPECT_MASK 0xf
+#define AMDGPU_TILING_EG_TILE_SPLIT_SHIFT 24
+#define AMDGPU_TILING_EG_TILE_SPLIT_MASK 0xf
+#define AMDGPU_TILING_EG_STENCIL_TILE_SPLIT_SHIFT 28
+#define AMDGPU_TILING_EG_STENCIL_TILE_SPLIT_MASK 0xf
+
+#define AMDGPU_GEM_METADATA_OP_SET_METADATA 1
+#define AMDGPU_GEM_METADATA_OP_GET_METADATA 2
+
+/** The same structure is shared for input/output */
+struct drm_amdgpu_gem_metadata {
+ uint32_t handle; /* GEM Object handle */
+ uint32_t op; /** Do we want get or set metadata */
+ struct {
+ uint64_t flags;
+ uint64_t tiling_info; /* family specific tiling info */
+ uint32_t data_size_bytes;
+ uint32_t data[64];
+ } data;
+};
+
+struct drm_amdgpu_gem_mmap_in {
+ uint32_t handle; /** the GEM object handle */
+ uint32_t _pad;
+};
+
+struct drm_amdgpu_gem_mmap_out {
+ uint64_t addr_ptr; /** mmap offset from the vma offset manager */
+};
+
+union drm_amdgpu_gem_mmap {
+ struct drm_amdgpu_gem_mmap_in in;
+ struct drm_amdgpu_gem_mmap_out out;
+};
+
+struct drm_amdgpu_gem_wait_idle_in {
+ uint32_t handle; /* GEM object handle */
+ uint32_t flags;
+ uint64_t timeout; /* Timeout to wait. If 0 then returned immediately with the status */
+};
+
+struct drm_amdgpu_gem_wait_idle_out {
+ uint32_t status; /* BO status: 0 - BO is idle, 1 - BO is busy */
+ uint32_t domain; /* Returned current memory domain */
+};
+
+union drm_amdgpu_gem_wait_idle {
+ struct drm_amdgpu_gem_wait_idle_in in;
+ struct drm_amdgpu_gem_wait_idle_out out;
+};
+
+struct drm_amdgpu_wait_cs_in {
+ uint64_t handle;
+ uint64_t timeout;
+ uint32_t ip_type;
+ uint32_t ip_instance;
+ uint32_t ring;
+ uint32_t _pad;
+};
+
+struct drm_amdgpu_wait_cs_out {
+ uint64_t status;
+};
+
+union drm_amdgpu_wait_cs {
+ struct drm_amdgpu_wait_cs_in in;
+ struct drm_amdgpu_wait_cs_out out;
+};
+
+/* Sets or returns a value associated with a buffer. */
+struct drm_amdgpu_gem_op {
+ uint32_t handle; /* buffer */
+ uint32_t op; /* AMDGPU_GEM_OP_* */
+ uint64_t value; /* input or return value */
+};
+
+#define AMDGPU_GEM_OP_GET_GEM_CREATE_INFO 0
+#define AMDGPU_GEM_OP_SET_INITIAL_DOMAIN 1
+
+#define AMDGPU_VA_OP_MAP 1
+#define AMDGPU_VA_OP_UNMAP 2
+
+#define AMDGPU_VA_RESULT_OK 0
+#define AMDGPU_VA_RESULT_ERROR 1
+#define AMDGPU_VA_RESULT_VA_INVALID_ALIGNMENT 2
+
+/* Mapping flags */
+/* readable mapping */
+#define AMDGPU_VM_PAGE_READABLE (1 << 1)
+/* writable mapping */
+#define AMDGPU_VM_PAGE_WRITEABLE (1 << 2)
+/* executable mapping, new for VI */
+#define AMDGPU_VM_PAGE_EXECUTABLE (1 << 3)
+
+struct drm_amdgpu_gem_va_in {
+ /* GEM object handle */
+ uint32_t handle;
+ uint32_t _pad;
+ /* map or unmap*/
+ uint32_t operation;
+ /* specify mapping flags */
+ uint32_t flags;
+ /* va address to assign . Must be correctly aligned.*/
+ uint64_t va_address;
+ /* Specify offset inside of BO to assign. Must be correctly aligned.*/
+ uint64_t offset_in_bo;
+ /* Specify mapping size. If 0 and offset is 0 then map the whole BO.*/
+ /* Must be correctly aligned. */
+ uint64_t map_size;
+};
+
+struct drm_amdgpu_gem_va_out {
+ uint32_t result;
+ uint32_t _pad;
+};
+
+union drm_amdgpu_gem_va {
+ struct drm_amdgpu_gem_va_in in;
+ struct drm_amdgpu_gem_va_out out;
+};
+
+#define AMDGPU_HW_IP_GFX 0
+#define AMDGPU_HW_IP_COMPUTE 1
+#define AMDGPU_HW_IP_DMA 2
+#define AMDGPU_HW_IP_UVD 3
+#define AMDGPU_HW_IP_VCE 4
+#define AMDGPU_HW_IP_NUM 5
+
+#define AMDGPU_HW_IP_INSTANCE_MAX_COUNT 1
+
+#define AMDGPU_CHUNK_ID_IB 0x01
+#define AMDGPU_CHUNK_ID_FENCE 0x02
+struct drm_amdgpu_cs_chunk {
+ uint32_t chunk_id;
+ uint32_t length_dw;
+ uint64_t chunk_data;
+};
+
+struct drm_amdgpu_cs_in {
+ /** Rendering context id */
+ uint32_t ctx_id;
+ /** Handle of resource list associated with CS */
+ uint32_t bo_list_handle;
+ uint32_t num_chunks;
+ uint32_t _pad;
+ /* this points to uint64_t * which point to cs chunks */
+ uint64_t chunks;
+};
+
+struct drm_amdgpu_cs_out {
+ uint64_t handle;
+};
+
+union drm_amdgpu_cs {
+ struct drm_amdgpu_cs_in in;
+ struct drm_amdgpu_cs_out out;
+};
+
+/* Specify flags to be used for IB */
+
+/* This IB should be submitted to CE */
+#define AMDGPU_IB_FLAG_CE (1<<0)
+
+/* GDS is used by this IB */
+#define AMDGPU_IB_FLAG_GDS (1<<1)
+
+struct drm_amdgpu_cs_chunk_ib {
+ /**
+ * Handle of GEM object to be used as IB or 0 if it is already in
+ * residency list.
+ */
+ uint32_t handle;
+ uint32_t flags; /* IB Flags */
+ uint64_t va_start; /* Virtual address to begin IB execution */
+ uint32_t ib_bytes; /* Size of submission */
+ uint32_t ip_type; /* HW IP to submit to */
+ uint32_t ip_instance; /* HW IP index of the same type to submit to */
+ uint32_t ring; /* Ring index to submit to */
+};
+
+struct drm_amdgpu_cs_chunk_fence {
+ uint32_t handle;
+ uint32_t offset;
+};
+
+struct drm_amdgpu_cs_chunk_data {
+ union {
+ struct drm_amdgpu_cs_chunk_ib ib_data;
+ struct drm_amdgpu_cs_chunk_fence fence_data;
+ };
+};
+
+/**
+ * Query h/w info: Flag that this is integrated (a.h.a. fusion) GPU
+ *
+ */
+#define AMDGPU_IDS_FLAGS_FUSION 0x1
+
+/* indicate if acceleration can be working */
+#define AMDGPU_INFO_ACCEL_WORKING 0x00
+/* get the crtc_id from the mode object id? */
+#define AMDGPU_INFO_CRTC_FROM_ID 0x01
+/* query hw IP info */
+#define AMDGPU_INFO_HW_IP_INFO 0x02
+/* query hw IP instance count for the specified type */
+#define AMDGPU_INFO_HW_IP_COUNT 0x03
+/* timestamp for GL_ARB_timer_query */
+#define AMDGPU_INFO_TIMESTAMP 0x05
+/* Query the firmware version */
+#define AMDGPU_INFO_FW_VERSION 0x0e
+ /* Subquery id: Query VCE firmware version */
+ #define AMDGPU_INFO_FW_VCE 0x1
+ /* Subquery id: Query UVD firmware version */
+ #define AMDGPU_INFO_FW_UVD 0x2
+ /* Subquery id: Query GMC firmware version */
+ #define AMDGPU_INFO_FW_GMC 0x03
+ /* Subquery id: Query GFX ME firmware version */
+ #define AMDGPU_INFO_FW_GFX_ME 0x04
+ /* Subquery id: Query GFX PFP firmware version */
+ #define AMDGPU_INFO_FW_GFX_PFP 0x05
+ /* Subquery id: Query GFX CE firmware version */
+ #define AMDGPU_INFO_FW_GFX_CE 0x06
+ /* Subquery id: Query GFX RLC firmware version */
+ #define AMDGPU_INFO_FW_GFX_RLC 0x07
+ /* Subquery id: Query GFX MEC firmware version */
+ #define AMDGPU_INFO_FW_GFX_MEC 0x08
+ /* Subquery id: Query SMC firmware version */
+ #define AMDGPU_INFO_FW_SMC 0x0a
+ /* Subquery id: Query SDMA firmware version */
+ #define AMDGPU_INFO_FW_SDMA 0x0b
+/* number of bytes moved for TTM migration */
+#define AMDGPU_INFO_NUM_BYTES_MOVED 0x0f
+/* the used VRAM size */
+#define AMDGPU_INFO_VRAM_USAGE 0x10
+/* the used GTT size */
+#define AMDGPU_INFO_GTT_USAGE 0x11
+/* Information about GDS, etc. resource configuration */
+#define AMDGPU_INFO_GDS_CONFIG 0x13
+/* Query information about VRAM and GTT domains */
+#define AMDGPU_INFO_VRAM_GTT 0x14
+/* Query information about register in MMR address space*/
+#define AMDGPU_INFO_READ_MMR_REG 0x15
+/* Query information about device: rev id, family, etc. */
+#define AMDGPU_INFO_DEV_INFO 0x16
+/* visible vram usage */
+#define AMDGPU_INFO_VIS_VRAM_USAGE 0x17
+
+#define AMDGPU_INFO_MMR_SE_INDEX_SHIFT 0
+#define AMDGPU_INFO_MMR_SE_INDEX_MASK 0xff
+#define AMDGPU_INFO_MMR_SH_INDEX_SHIFT 8
+#define AMDGPU_INFO_MMR_SH_INDEX_MASK 0xff
+
+/* Input structure for the INFO ioctl */
+struct drm_amdgpu_info {
+ /* Where the return value will be stored */
+ uint64_t return_pointer;
+ /* The size of the return value. Just like "size" in "snprintf",
+ * it limits how many bytes the kernel can write. */
+ uint32_t return_size;
+ /* The query request id. */
+ uint32_t query;
+
+ union {
+ struct {
+ uint32_t id;
+ uint32_t _pad;
+ } mode_crtc;
+
+ struct {
+ /** AMDGPU_HW_IP_* */
+ uint32_t type;
+ /**
+ * Index of the IP if there are more IPs of the same type.
+ * Ignored by AMDGPU_INFO_HW_IP_COUNT.
+ */
+ uint32_t ip_instance;
+ } query_hw_ip;
+
+ struct {
+ uint32_t dword_offset;
+ uint32_t count; /* number of registers to read */
+ uint32_t instance;
+ uint32_t flags;
+ } read_mmr_reg;
+
+ struct {
+ /** AMDGPU_INFO_FW_* */
+ uint32_t fw_type;
+ /** Index of the IP if there are more IPs of the same type. */
+ uint32_t ip_instance;
+ /**
+ * Index of the engine. Whether this is used depends
+ * on the firmware type. (e.g. MEC, SDMA)
+ */
+ uint32_t index;
+ uint32_t _pad;
+ } query_fw;
+ };
+};
+
+struct drm_amdgpu_info_gds {
+ /** GDS GFX partition size */
+ uint32_t gds_gfx_partition_size;
+ /** GDS compute partition size */
+ uint32_t compute_partition_size;
+ /** total GDS memory size */
+ uint32_t gds_total_size;
+ /** GWS size per GFX partition */
+ uint32_t gws_per_gfx_partition;
+ /** GSW size per compute partition */
+ uint32_t gws_per_compute_partition;
+ /** OA size per GFX partition */
+ uint32_t oa_per_gfx_partition;
+ /** OA size per compute partition */
+ uint32_t oa_per_compute_partition;
+ uint32_t _pad;
+};
+
+struct drm_amdgpu_info_vram_gtt {
+ uint64_t vram_size;
+ uint64_t vram_cpu_accessible_size;
+ uint64_t gtt_size;
+};
+
+struct drm_amdgpu_info_firmware {
+ uint32_t ver;
+ uint32_t feature;
+};
+
+struct drm_amdgpu_info_device {
+ /** PCI Device ID */
+ uint32_t device_id;
+ /** Internal chip revision: A0, A1, etc.) */
+ uint32_t chip_rev;
+ uint32_t external_rev;
+ /** Revision id in PCI Config space */
+ uint32_t pci_rev;
+ uint32_t family;
+ uint32_t num_shader_engines;
+ uint32_t num_shader_arrays_per_engine;
+ uint32_t gpu_counter_freq; /* in KHz */
+ uint64_t max_engine_clock; /* in KHz */
+ /* cu information */
+ uint32_t cu_active_number;
+ uint32_t cu_ao_mask;
+ uint32_t cu_bitmap[4][4];
+ /** Render backend pipe mask. One render backend is CB+DB. */
+ uint32_t enabled_rb_pipes_mask;
+ uint32_t num_rb_pipes;
+ uint32_t num_hw_gfx_contexts;
+ uint32_t _pad;
+ uint64_t ids_flags;
+ /** Starting virtual address for UMDs. */
+ uint64_t virtual_address_offset;
+ /** Required alignment of virtual addresses. */
+ uint32_t virtual_address_alignment;
+ /** Page table entry - fragment size */
+ uint32_t pte_fragment_size;
+ uint32_t gart_page_size;
+};
+
+struct drm_amdgpu_info_hw_ip {
+ /** Version of h/w IP */
+ uint32_t hw_ip_version_major;
+ uint32_t hw_ip_version_minor;
+ /** Capabilities */
+ uint64_t capabilities_flags;
+ /** Bitmask of available rings. Bit 0 means ring 0, etc. */
+ uint32_t available_rings;
+ uint32_t _pad;
+};
+
+/*
+ * Supported GPU families
+ */
+#define AMDGPU_FAMILY_UNKNOWN 0
+#define AMDGPU_FAMILY_CI 120 /* Bonaire, Hawaii */
+#define AMDGPU_FAMILY_KV 125 /* Kaveri, Kabini, Mullins */
+#define AMDGPU_FAMILY_VI 130 /* Iceland, Tonga */
+#define AMDGPU_FAMILY_CZ 135 /* Carrizo */
+
+#endif