/* Cairo - a vector graphics library with display and print output * * Copyright © 2009 Chris Wilson * * This library is free software; you can redistribute it and/or * modify it either under the terms of the GNU Lesser General Public * License version 2.1 as published by the Free Software Foundation * (the "LGPL") or, at your option, under the terms of the Mozilla * Public License Version 1.1 (the "MPL"). If you do not alter this * notice, a recipient may use your version of this file under either * the MPL or the LGPL. * * You should have received a copy of the LGPL along with this library * in the file COPYING-LGPL-2.1; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA * You should have received a copy of the MPL along with this library * in the file COPYING-MPL-1.1 * * The contents of this file are subject to the Mozilla Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY * OF ANY KIND, either express or implied. See the LGPL or the MPL for * the specific language governing rights and limitations. * */ #ifndef CAIRO_DRM_INTEL_IOCTL_PRIVATE_H #define CAIRO_DRM_INTEL_IOCTL_PRIVATE_H #include "cairo-drm-intel-command-private.h" #define I915_PARAM_IRQ_ACTIVE 1 #define I915_PARAM_ALLOW_BATCHBUFFER 2 #define I915_PARAM_LAST_DISPATCH 3 #define I915_PARAM_CHIPSET_ID 4 #define I915_PARAM_HAS_GEM 5 #define I915_PARAM_NUM_FENCES_AVAIL 6 #define I915_PARAM_HAS_OVERLAY 7 #define I915_PARAM_HAS_PAGEFLIPPING 8 #define I915_PARAM_HAS_EXECBUF2 9 struct intel_getparam { int param; int *value; }; /** @{ * Intel memory domains * * Most of these just align with the various caches in * the system and are used to flush and invalidate as * objects end up cached in different domains. */ /** CPU cache */ #define I915_GEM_DOMAIN_CPU 0x00000001 /** Render cache, used by 2D and 3D drawing */ #define I915_GEM_DOMAIN_RENDER 0x00000002 /** Sampler cache, used by texture engine */ #define I915_GEM_DOMAIN_SAMPLER 0x00000004 /** Command queue, used to load batch buffers */ #define I915_GEM_DOMAIN_COMMAND 0x00000008 /** Instruction cache, used by shader programs */ #define I915_GEM_DOMAIN_INSTRUCTION 0x00000010 /** Vertex address cache */ #define I915_GEM_DOMAIN_VERTEX 0x00000020 /** GTT domain - aperture and scanout */ #define I915_GEM_DOMAIN_GTT 0x00000040 /** @} */ #define I915_TILING_NONE 0 #define I915_TILING_X 1 #define I915_TILING_Y 2 #define I915_BIT_6_SWIZZLE_NONE 0 #define I915_BIT_6_SWIZZLE_9 1 #define I915_BIT_6_SWIZZLE_9_10 2 #define I915_BIT_6_SWIZZLE_9_11 3 #define I915_BIT_6_SWIZZLE_9_10_11 4 #define DRM_I915_GEM_EXECBUFFER 0x14 #define DRM_I915_GEM_BUSY 0x17 #define DRM_I915_GEM_THROTTLE 0x18 #define DRM_I915_GEM_CREATE 0x1b #define DRM_I915_GEM_PREAD 0x1c #define DRM_I915_GEM_PWRITE 0x1d #define DRM_I915_GEM_MMAP 0x1e #define DRM_I915_GEM_SET_DOMAIN 0x1f #define DRM_I915_GEM_SET_TILING 0x21 #define DRM_I915_GEM_GET_TILING 0x22 #define DRM_I915_GEM_GET_APERTURE 0x23 #define DRM_I915_GEM_MMAP_GTT 0x24 struct drm_i915_gem_create { /** * Requested size for the object. * * The (page-aligned) allocated size for the object will be returned. */ uint64_t size; /** * Returned handle for the object. * * Object handles are nonzero. */ uint32_t handle; uint32_t pad; }; struct drm_i915_gem_pread { /** Handle for the object being read. */ uint32_t handle; uint32_t pad; /** Offset into the object to read from */ uint64_t offset; /** Length of data to read */ uint64_t size; /** * Pointer to write the data into. * * This is a fixed-size type for 32/64 compatibility. */ uint64_t data_ptr; }; struct drm_i915_gem_pwrite { /** Handle for the object being written to. */ uint32_t handle; uint32_t pad; /** Offset into the object to write to */ uint64_t offset; /** Length of data to write */ uint64_t size; /** * Pointer to read the data from. * * This is a fixed-size type for 32/64 compatibility. */ uint64_t data_ptr; }; struct drm_i915_gem_mmap { /** Handle for the object being mapped. */ uint32_t handle; uint32_t pad; /** Offset in the object to map. */ uint64_t offset; /** * Length of data to map. * * The value will be page-aligned. */ uint64_t size; /** * Returned pointer the data was mapped at. * * This is a fixed-size type for 32/64 compatibility. */ uint64_t addr_ptr; }; struct drm_i915_gem_mmap_gtt { /** Handle for the object being mapped. */ uint32_t handle; uint32_t pad; /** * Fake offset to use for subsequent mmap call * * This is a fixed-size type for 32/64 compatibility. */ uint64_t offset; }; struct drm_i915_gem_set_domain { /** Handle for the object */ uint32_t handle; /** New read domains */ uint32_t read_domains; /** New write domain */ uint32_t write_domain; }; struct drm_i915_gem_relocation_entry { /** * Handle of the buffer being pointed to by this relocation entry. * * It's appealing to make this be an index into the mm_validate_entry * list to refer to the buffer, but this allows the driver to create * a relocation list for state buffers and not re-write it per * exec using the buffer. */ uint32_t target_handle; /** * Value to be added to the offset of the target buffer to make up * the relocation entry. */ uint32_t delta; /** Offset in the buffer the relocation entry will be written into */ uint64_t offset; /** * Offset value of the target buffer that the relocation entry was last * written as. * * If the buffer has the same offset as last time, we can skip syncing * and writing the relocation. This value is written back out by * the execbuffer ioctl when the relocation is written. */ uint64_t presumed_offset; /** * Target memory domains read by this operation. */ uint32_t read_domains; /** * Target memory domains written by this operation. * * Note that only one domain may be written by the whole * execbuffer operation, so that where there are conflicts, * the application will get -EINVAL back. */ uint32_t write_domain; }; struct drm_i915_gem_exec_object { /** * User's handle for a buffer to be bound into the GTT for this * operation. */ uint32_t handle; /** Number of relocations to be performed on this buffer */ uint32_t relocation_count; /** * Pointer to array of struct drm_i915_gem_relocation_entry containing * the relocations to be performed in this buffer. */ uint64_t relocs_ptr; /** Required alignment in graphics aperture */ uint64_t alignment; /** * Returned value of the updated offset of the object, for future * presumed_offset writes. */ uint64_t offset; }; struct drm_i915_gem_execbuffer { /** * List of buffers to be validated with their relocations to be * performend on them. * * This is a pointer to an array of struct drm_i915_gem_validate_entry. * * These buffers must be listed in an order such that all relocations * a buffer is performing refer to buffers that have already appeared * in the validate list. */ uint64_t buffers_ptr; uint32_t buffer_count; /** Offset in the batchbuffer to start execution from. */ uint32_t batch_start_offset; /** Bytes used in batchbuffer from batch_start_offset */ uint32_t batch_len; uint32_t DR1; uint32_t DR4; uint32_t num_cliprects; /** This is a struct drm_clip_rect *cliprects */ uint64_t cliprects_ptr; }; struct drm_i915_gem_busy { /** Handle of the buffer to check for busy */ uint32_t handle; /** Return busy status (1 if busy, 0 if idle) */ uint32_t busy; }; struct drm_i915_gem_set_tiling { /** Handle of the buffer to have its tiling state updated */ uint32_t handle; /** * Tiling mode for the object (I915_TILING_NONE, I915_TILING_X, * I915_TILING_Y). * * This value is to be set on request, and will be updated by the * kernel on successful return with the actual chosen tiling layout. * * The tiling mode may be demoted to I915_TILING_NONE when the system * has bit 6 swizzling that can't be managed correctly by GEM. * * Buffer contents become undefined when changing tiling_mode. */ uint32_t tiling_mode; /** * Stride in bytes for the object when in I915_TILING_X or * I915_TILING_Y. */ uint32_t stride; /** * Returned address bit 6 swizzling required for CPU access through * mmap mapping. */ uint32_t swizzle_mode; }; struct drm_i915_gem_get_tiling { /** Handle of the buffer to get tiling state for. */ uint32_t handle; /** * Current tiling mode for the object (I915_TILING_NONE, I915_TILING_X, * I915_TILING_Y). */ uint32_t tiling_mode; /** * Returned address bit 6 swizzling required for CPU access through * mmap mapping. */ uint32_t swizzle_mode; }; struct drm_i915_gem_get_aperture { /** Total size of the aperture used by i915_gem_execbuffer, in bytes */ uint64_t aper_size; /** * Available space in the aperture used by i915_gem_execbuffer, in * bytes */ uint64_t aper_available_size; }; #define DRM_I915_GETPARAM 0x06 #define DRM_IOCTL_I915_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, struct intel_getparam) #define DRM_IOCTL_I915_GEM_EXECBUFFER DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER, struct drm_i915_gem_execbuffer) #define DRM_IOCTL_I915_GEM_BUSY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_BUSY, struct drm_i915_gem_busy) #define DRM_IOCTL_I915_GEM_THROTTLE DRM_IO ( DRM_COMMAND_BASE + DRM_I915_GEM_THROTTLE) #define DRM_IOCTL_I915_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_CREATE, struct drm_i915_gem_create) #define DRM_IOCTL_I915_GEM_PREAD DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PREAD, struct drm_i915_gem_pread) #define DRM_IOCTL_I915_GEM_PWRITE DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PWRITE, struct drm_i915_gem_pwrite) #define DRM_IOCTL_I915_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct drm_i915_gem_mmap) #define DRM_IOCTL_I915_GEM_MMAP_GTT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP_GTT, struct drm_i915_gem_mmap_gtt) #define DRM_IOCTL_I915_GEM_SET_DOMAIN DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SET_DOMAIN, struct drm_i915_gem_set_domain) #define DRM_IOCTL_I915_GEM_SET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling) #define DRM_IOCTL_I915_GEM_GET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling) #define DRM_IOCTL_I915_GEM_GET_APERTURE DRM_IOR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture) #define I915_MADV_WILLNEED 0 #define I915_MADV_DONTNEED 1 struct drm_i915_gem_madvise { uint32_t handle; uint32_t madv; uint32_t retained; }; #define DRM_I915_GEM_MADVISE 0x26 #define DRM_IOCTL_I915_GEM_MADVISE DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_MADVISE, struct drm_i915_gem_madvise) /* XXX execbuffer2 */ struct drm_i915_gem_exec_object2 { /** * User's handle for a buffer to be bound into the GTT for this * operation. */ uint32_t handle; /** Number of relocations to be performed on this buffer */ uint32_t relocation_count; /** * Pointer to array of struct drm_i915_gem_relocation_entry containing * the relocations to be performed in this buffer. */ uint64_t relocs_ptr; /** Required alignment in graphics aperture */ uint64_t alignment; /** * Returned value of the updated offset of the object, for future * presumed_offset writes. */ uint64_t offset; #define EXEC_OBJECT_NEEDS_FENCE (1<<0) uint64_t flags; uint64_t rsvd1; uint64_t rsvd2; }; struct drm_i915_gem_execbuffer2 { /** * List of gem_exec_object2 structs */ uint64_t buffers_ptr; uint32_t buffer_count; /** Offset in the batchbuffer to start execution from. */ uint32_t batch_start_offset; /** Bytes used in batchbuffer from batch_start_offset */ uint32_t batch_len; uint32_t DR1; uint32_t DR4; uint32_t num_cliprects; /** This is a struct drm_clip_rect *cliprects */ uint64_t cliprects_ptr; uint64_t flags; uint64_t rsvd1; uint64_t rsvd2; }; #define I915_GEM_3D_PIPELINE 0x1 #define I915_GEM_MEDIA_PIPELINE 0x2 #define DRM_I915_GEM_EXECBUFFER2 0x29 #define DRM_IOCTL_I915_GEM_EXECBUFFER2 DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER2, struct drm_i915_gem_execbuffer2) struct drm_i915_gem_real_size { uint32_t handle; uint64_t size; }; #define DRM_I915_GEM_REAL_SIZE 0x2a #define DRM_IOCTL_I915_GEM_REAL_SIZE DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_REAL_SIZE, struct drm_i915_gem_real_size) #endif /* CAIRO_DRM_INTEL_IOCTL_PRIVATE_H */