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nouveau_drm.h
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/* * Copyright 2005 Stephane Marchesin. * All Rights Reserved. * * 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 (including the next * paragraph) 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 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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. */ #ifndef __NOUVEAU_DRM_H__ #define __NOUVEAU_DRM_H__ #define DRM_NOUVEAU_EVENT_NVIF 0x80000000 #include "drm.h" #if defined(__cplusplus) extern "C" { #endif #define NOUVEAU_GETPARAM_PCI_VENDOR 3 #define NOUVEAU_GETPARAM_PCI_DEVICE 4 #define NOUVEAU_GETPARAM_BUS_TYPE 5 #define NOUVEAU_GETPARAM_FB_SIZE 8 #define NOUVEAU_GETPARAM_AGP_SIZE 9 #define NOUVEAU_GETPARAM_CHIPSET_ID 11 #define NOUVEAU_GETPARAM_VM_VRAM_BASE 12 #define NOUVEAU_GETPARAM_GRAPH_UNITS 13 #define NOUVEAU_GETPARAM_PTIMER_TIME 14 #define NOUVEAU_GETPARAM_HAS_BO_USAGE 15 #define NOUVEAU_GETPARAM_HAS_PAGEFLIP 16 /* * NOUVEAU_GETPARAM_EXEC_PUSH_MAX - query max pushes through getparam * * Query the maximum amount of IBs that can be pushed through a single * &drm_nouveau_exec structure and hence a single &DRM_IOCTL_NOUVEAU_EXEC * ioctl(). */ #define NOUVEAU_GETPARAM_EXEC_PUSH_MAX 17 /* * NOUVEAU_GETPARAM_VRAM_BAR_SIZE - query bar size * * Query the VRAM BAR size. */ #define NOUVEAU_GETPARAM_VRAM_BAR_SIZE 18 /* * NOUVEAU_GETPARAM_VRAM_USED * * Get remaining VRAM size. */ #define NOUVEAU_GETPARAM_VRAM_USED 19 /* * NOUVEAU_GETPARAM_HAS_VMA_TILEMODE * * Query whether tile mode and PTE kind are accepted with VM allocs or not. */ #define NOUVEAU_GETPARAM_HAS_VMA_TILEMODE 20 struct drm_nouveau_getparam { __u64 param; __u64 value; }; /* * Those are used to support selecting the main engine used on Kepler. * This goes into drm_nouveau_channel_alloc::tt_ctxdma_handle */ #define NOUVEAU_FIFO_ENGINE_GR 0x01 #define NOUVEAU_FIFO_ENGINE_VP 0x02 #define NOUVEAU_FIFO_ENGINE_PPP 0x04 #define NOUVEAU_FIFO_ENGINE_BSP 0x08 #define NOUVEAU_FIFO_ENGINE_CE 0x30 struct drm_nouveau_channel_alloc { __u32 fb_ctxdma_handle; __u32 tt_ctxdma_handle; __s32 channel; __u32 pushbuf_domains; /* Notifier memory */ __u32 notifier_handle; /* DRM-enforced subchannel assignments */ struct { __u32 handle; __u32 grclass; } subchan[8]; __u32 nr_subchan; }; struct drm_nouveau_channel_free { __s32 channel; }; struct drm_nouveau_notifierobj_alloc { __u32 channel; __u32 handle; __u32 size; __u32 offset; }; struct drm_nouveau_gpuobj_free { __s32 channel; __u32 handle; }; #define NOUVEAU_GEM_DOMAIN_CPU (1 << 0) #define NOUVEAU_GEM_DOMAIN_VRAM (1 << 1) #define NOUVEAU_GEM_DOMAIN_GART (1 << 2) #define NOUVEAU_GEM_DOMAIN_MAPPABLE (1 << 3) #define NOUVEAU_GEM_DOMAIN_COHERENT (1 << 4) /* The BO will never be shared via import or export. */ #define NOUVEAU_GEM_DOMAIN_NO_SHARE (1 << 5) #define NOUVEAU_GEM_TILE_COMP 0x00030000 /* nv50-only */ #define NOUVEAU_GEM_TILE_LAYOUT_MASK 0x0000ff00 #define NOUVEAU_GEM_TILE_16BPP 0x00000001 #define NOUVEAU_GEM_TILE_32BPP 0x00000002 #define NOUVEAU_GEM_TILE_ZETA 0x00000004 #define NOUVEAU_GEM_TILE_NONCONTIG 0x00000008 struct drm_nouveau_gem_info { __u32 handle; __u32 domain; __u64 size; __u64 offset; __u64 map_handle; __u32 tile_mode; __u32 tile_flags; }; struct drm_nouveau_gem_new { struct drm_nouveau_gem_info info; __u32 channel_hint; __u32 align; }; #define NOUVEAU_GEM_MAX_BUFFERS 1024 struct drm_nouveau_gem_pushbuf_bo_presumed { __u32 valid; __u32 domain; __u64 offset; }; struct drm_nouveau_gem_pushbuf_bo { __u64 user_priv; __u32 handle; __u32 read_domains; __u32 write_domains; __u32 valid_domains; struct drm_nouveau_gem_pushbuf_bo_presumed presumed; }; #define NOUVEAU_GEM_RELOC_LOW (1 << 0) #define NOUVEAU_GEM_RELOC_HIGH (1 << 1) #define NOUVEAU_GEM_RELOC_OR (1 << 2) #define NOUVEAU_GEM_MAX_RELOCS 1024 struct drm_nouveau_gem_pushbuf_reloc { __u32 reloc_bo_index; __u32 reloc_bo_offset; __u32 bo_index; __u32 flags; __u32 data; __u32 vor; __u32 tor; }; #define NOUVEAU_GEM_MAX_PUSH 512 struct drm_nouveau_gem_pushbuf_push { __u32 bo_index; __u32 pad; __u64 offset; __u64 length; #define NOUVEAU_GEM_PUSHBUF_NO_PREFETCH (1 << 23) }; struct drm_nouveau_gem_pushbuf { __u32 channel; __u32 nr_buffers; __u64 buffers; __u32 nr_relocs; __u32 nr_push; __u64 relocs; __u64 push; __u32 suffix0; __u32 suffix1; #define NOUVEAU_GEM_PUSHBUF_SYNC (1ULL << 0) __u64 vram_available; __u64 gart_available; }; #define NOUVEAU_GEM_CPU_PREP_NOWAIT 0x00000001 #define NOUVEAU_GEM_CPU_PREP_WRITE 0x00000004 struct drm_nouveau_gem_cpu_prep { __u32 handle; __u32 flags; }; struct drm_nouveau_gem_cpu_fini { __u32 handle; }; /** * struct drm_nouveau_sync - sync object * * This structure serves as synchronization mechanism for (potentially) * asynchronous operations such as EXEC or VM_BIND. */ struct drm_nouveau_sync { /** * @flags: the flags for a sync object * * The first 8 bits are used to determine the type of the sync object. */ __u32 flags; #define DRM_NOUVEAU_SYNC_SYNCOBJ 0x0 #define DRM_NOUVEAU_SYNC_TIMELINE_SYNCOBJ 0x1 #define DRM_NOUVEAU_SYNC_TYPE_MASK 0xf /** * @handle: the handle of the sync object */ __u32 handle; /** * @timeline_value: * * The timeline point of the sync object in case the syncobj is of * type DRM_NOUVEAU_SYNC_TIMELINE_SYNCOBJ. */ __u64 timeline_value; }; /** * struct drm_nouveau_vm_init - GPU VA space init structure * * Used to initialize the GPU's VA space for a user client, telling the kernel * which portion of the VA space is managed by the UMD and kernel respectively. * * For the UMD to use the VM_BIND uAPI, this must be called before any BOs or * channels are created; if called afterwards DRM_IOCTL_NOUVEAU_VM_INIT fails * with -ENOSYS. */ struct drm_nouveau_vm_init { /** * @kernel_managed_addr: start address of the kernel managed VA space * region */ __u64 kernel_managed_addr; /** * @kernel_managed_size: size of the kernel managed VA space region in * bytes */ __u64 kernel_managed_size; }; /** * struct drm_nouveau_vm_bind_op - VM_BIND operation * * This structure represents a single VM_BIND operation. UMDs should pass * an array of this structure via struct drm_nouveau_vm_bind's &op_ptr field. */ struct drm_nouveau_vm_bind_op { /** * @op: the operation type * * Supported values: * * %DRM_NOUVEAU_VM_BIND_OP_MAP - Map a GEM object to the GPU's VA * space. Optionally, the &DRM_NOUVEAU_VM_BIND_SPARSE flag can be * passed to instruct the kernel to create sparse mappings for the * given range. * * %DRM_NOUVEAU_VM_BIND_OP_UNMAP - Unmap an existing mapping in the * GPU's VA space. If the region the mapping is located in is a * sparse region, new sparse mappings are created where the unmapped * (memory backed) mapping was mapped previously. To remove a sparse * region the &DRM_NOUVEAU_VM_BIND_SPARSE must be set. */ __u32 op; #define DRM_NOUVEAU_VM_BIND_OP_MAP 0x0 #define DRM_NOUVEAU_VM_BIND_OP_UNMAP 0x1 /** * @flags: the flags for a &drm_nouveau_vm_bind_op * * Supported values: * * %DRM_NOUVEAU_VM_BIND_SPARSE - Indicates that an allocated VA * space region should be sparse. */ __u32 flags; #define DRM_NOUVEAU_VM_BIND_SPARSE (1 << 8) /** * @handle: the handle of the DRM GEM object to map */ __u32 handle; /** * @pad: 32 bit padding, should be 0 */ __u32 pad; /** * @addr: * * the address the VA space region or (memory backed) mapping should be mapped to */ __u64 addr; /** * @bo_offset: the offset within the BO backing the mapping */ __u64 bo_offset; /** * @range: the size of the requested mapping in bytes */ __u64 range; }; /** * struct drm_nouveau_vm_bind - structure for DRM_IOCTL_NOUVEAU_VM_BIND */ struct drm_nouveau_vm_bind { /** * @op_count: the number of &drm_nouveau_vm_bind_op */ __u32 op_count; /** * @flags: the flags for a &drm_nouveau_vm_bind ioctl * * Supported values: * * %DRM_NOUVEAU_VM_BIND_RUN_ASYNC - Indicates that the given VM_BIND * operation should be executed asynchronously by the kernel. * * If this flag is not supplied the kernel executes the associated * operations synchronously and doesn't accept any &drm_nouveau_sync * objects. */ __u32 flags; #define DRM_NOUVEAU_VM_BIND_RUN_ASYNC 0x1 /** * @wait_count: the number of wait &drm_nouveau_syncs */ __u32 wait_count; /** * @sig_count: the number of &drm_nouveau_syncs to signal when finished */ __u32 sig_count; /** * @wait_ptr: pointer to &drm_nouveau_syncs to wait for */ __u64 wait_ptr; /** * @sig_ptr: pointer to &drm_nouveau_syncs to signal when finished */ __u64 sig_ptr; /** * @op_ptr: pointer to the &drm_nouveau_vm_bind_ops to execute */ __u64 op_ptr; }; /** * struct drm_nouveau_exec_push - EXEC push operation * * This structure represents a single EXEC push operation. UMDs should pass an * array of this structure via struct drm_nouveau_exec's &push_ptr field. */ struct drm_nouveau_exec_push { /** * @va: the virtual address of the push buffer mapping */ __u64 va; /** * @va_len: the length of the push buffer mapping */ __u32 va_len; /** * @flags: the flags for this push buffer mapping */ __u32 flags; #define DRM_NOUVEAU_EXEC_PUSH_NO_PREFETCH 0x1 }; /** * struct drm_nouveau_exec - structure for DRM_IOCTL_NOUVEAU_EXEC */ struct drm_nouveau_exec { /** * @channel: the channel to execute the push buffer in */ __u32 channel; /** * @push_count: the number of &drm_nouveau_exec_push ops */ __u32 push_count; /** * @wait_count: the number of wait &drm_nouveau_syncs */ __u32 wait_count; /** * @sig_count: the number of &drm_nouveau_syncs to signal when finished */ __u32 sig_count; /** * @wait_ptr: pointer to &drm_nouveau_syncs to wait for */ __u64 wait_ptr; /** * @sig_ptr: pointer to &drm_nouveau_syncs to signal when finished */ __u64 sig_ptr; /** * @push_ptr: pointer to &drm_nouveau_exec_push ops */ __u64 push_ptr; }; #define DRM_NOUVEAU_GETPARAM 0x00 #define DRM_NOUVEAU_SETPARAM 0x01 /* deprecated */ #define DRM_NOUVEAU_CHANNEL_ALLOC 0x02 #define DRM_NOUVEAU_CHANNEL_FREE 0x03 #define DRM_NOUVEAU_GROBJ_ALLOC 0x04 /* deprecated */ #define DRM_NOUVEAU_NOTIFIEROBJ_ALLOC 0x05 /* deprecated */ #define DRM_NOUVEAU_GPUOBJ_FREE 0x06 /* deprecated */ #define DRM_NOUVEAU_NVIF 0x07 #define DRM_NOUVEAU_SVM_INIT 0x08 #define DRM_NOUVEAU_SVM_BIND 0x09 #define DRM_NOUVEAU_VM_INIT 0x10 #define DRM_NOUVEAU_VM_BIND 0x11 #define DRM_NOUVEAU_EXEC 0x12 #define DRM_NOUVEAU_GEM_NEW 0x40 #define DRM_NOUVEAU_GEM_PUSHBUF 0x41 #define DRM_NOUVEAU_GEM_CPU_PREP 0x42 #define DRM_NOUVEAU_GEM_CPU_FINI 0x43 #define DRM_NOUVEAU_GEM_INFO 0x44 struct drm_nouveau_svm_init { __u64 unmanaged_addr; __u64 unmanaged_size; }; struct drm_nouveau_svm_bind { __u64 header; __u64 va_start; __u64 va_end; __u64 npages; __u64 stride; __u64 result; __u64 reserved0; __u64 reserved1; }; #define NOUVEAU_SVM_BIND_COMMAND_SHIFT 0 #define NOUVEAU_SVM_BIND_COMMAND_BITS 8 #define NOUVEAU_SVM_BIND_COMMAND_MASK ((1 << 8) - 1) #define NOUVEAU_SVM_BIND_PRIORITY_SHIFT 8 #define NOUVEAU_SVM_BIND_PRIORITY_BITS 8 #define NOUVEAU_SVM_BIND_PRIORITY_MASK ((1 << 8) - 1) #define NOUVEAU_SVM_BIND_TARGET_SHIFT 16 #define NOUVEAU_SVM_BIND_TARGET_BITS 32 #define NOUVEAU_SVM_BIND_TARGET_MASK 0xffffffff /* * Below is use to validate ioctl argument, userspace can also use it to make * sure that no bit are set beyond known fields for a given kernel version. */ #define NOUVEAU_SVM_BIND_VALID_BITS 48 #define NOUVEAU_SVM_BIND_VALID_MASK ((1ULL << NOUVEAU_SVM_BIND_VALID_BITS) - 1) /* * NOUVEAU_BIND_COMMAND__MIGRATE: synchronous migrate to target memory. * result: number of page successfuly migrate to the target memory. */ #define NOUVEAU_SVM_BIND_COMMAND__MIGRATE 0 /* * NOUVEAU_SVM_BIND_HEADER_TARGET__GPU_VRAM: target the GPU VRAM memory. */ #define NOUVEAU_SVM_BIND_TARGET__GPU_VRAM (1UL << 31) #define DRM_IOCTL_NOUVEAU_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GETPARAM, struct drm_nouveau_getparam) #define DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_CHANNEL_ALLOC, struct drm_nouveau_channel_alloc) #define DRM_IOCTL_NOUVEAU_CHANNEL_FREE DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_CHANNEL_FREE, struct drm_nouveau_channel_free) #define DRM_IOCTL_NOUVEAU_SVM_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_SVM_INIT, struct drm_nouveau_svm_init) #define DRM_IOCTL_NOUVEAU_SVM_BIND DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_SVM_BIND, struct drm_nouveau_svm_bind) #define DRM_IOCTL_NOUVEAU_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_NEW, struct drm_nouveau_gem_new) #define DRM_IOCTL_NOUVEAU_GEM_PUSHBUF DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_PUSHBUF, struct drm_nouveau_gem_pushbuf) #define DRM_IOCTL_NOUVEAU_GEM_CPU_PREP DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_PREP, struct drm_nouveau_gem_cpu_prep) #define DRM_IOCTL_NOUVEAU_GEM_CPU_FINI DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_FINI, struct drm_nouveau_gem_cpu_fini) #define DRM_IOCTL_NOUVEAU_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_INFO, struct drm_nouveau_gem_info) #define DRM_IOCTL_NOUVEAU_VM_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_VM_INIT, struct drm_nouveau_vm_init) #define DRM_IOCTL_NOUVEAU_VM_BIND DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_VM_BIND, struct drm_nouveau_vm_bind) #define DRM_IOCTL_NOUVEAU_EXEC DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_EXEC, struct drm_nouveau_exec) #if defined(__cplusplus) } #endif #endif /* __NOUVEAU_DRM_H__ */