/* * Copyright 2008 Corbin Simpson * Copyright 2010 Marek Olšák * * 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 * on the rights to use, copy, modify, merge, publish, distribute, sub * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR(S) AND/OR THEIR 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 RADEON_WINSYS_H #define RADEON_WINSYS_H /* The public winsys interface header for the radeon driver. */ #include "pipebuffer/pb_buffer.h" #include "amd/common/amd_family.h" #define RADEON_FLUSH_ASYNC (1 << 0) #define RADEON_FLUSH_END_OF_FRAME (1 << 1) /* Tiling flags. */ enum radeon_bo_layout { RADEON_LAYOUT_LINEAR = 0, RADEON_LAYOUT_TILED, RADEON_LAYOUT_SQUARETILED, RADEON_LAYOUT_UNKNOWN }; enum radeon_bo_domain { /* bitfield */ RADEON_DOMAIN_GTT = 2, RADEON_DOMAIN_VRAM = 4, RADEON_DOMAIN_VRAM_GTT = RADEON_DOMAIN_VRAM | RADEON_DOMAIN_GTT }; enum radeon_bo_flag { /* bitfield */ RADEON_FLAG_GTT_WC = (1 << 0), RADEON_FLAG_CPU_ACCESS = (1 << 1), RADEON_FLAG_NO_CPU_ACCESS = (1 << 2), RADEON_FLAG_HANDLE = (1 << 3), /* the buffer most not be suballocated */ }; enum radeon_bo_usage { /* bitfield */ RADEON_USAGE_READ = 2, RADEON_USAGE_WRITE = 4, RADEON_USAGE_READWRITE = RADEON_USAGE_READ | RADEON_USAGE_WRITE, /* The winsys ensures that the CS submission will be scheduled after * previously flushed CSs referencing this BO in a conflicting way. */ RADEON_USAGE_SYNCHRONIZED = 8 }; enum ring_type { RING_GFX = 0, RING_COMPUTE, RING_DMA, RING_UVD, RING_VCE, RING_LAST, }; enum radeon_value_id { RADEON_REQUESTED_VRAM_MEMORY, RADEON_REQUESTED_GTT_MEMORY, RADEON_MAPPED_VRAM, RADEON_MAPPED_GTT, RADEON_BUFFER_WAIT_TIME_NS, RADEON_NUM_MAPPED_BUFFERS, RADEON_TIMESTAMP, RADEON_NUM_GFX_IBS, RADEON_NUM_SDMA_IBS, RADEON_NUM_BYTES_MOVED, RADEON_NUM_EVICTIONS, RADEON_VRAM_USAGE, RADEON_VRAM_VIS_USAGE, RADEON_GTT_USAGE, RADEON_GPU_TEMPERATURE, /* DRM 2.42.0 */ RADEON_CURRENT_SCLK, RADEON_CURRENT_MCLK, RADEON_GPU_RESET_COUNTER, /* DRM 2.43.0 */ RADEON_CS_THREAD_TIME, }; /* Each group of four has the same priority. */ enum radeon_bo_priority { RADEON_PRIO_FENCE = 0, RADEON_PRIO_TRACE, RADEON_PRIO_SO_FILLED_SIZE, RADEON_PRIO_QUERY, RADEON_PRIO_IB1 = 4, /* main IB submitted to the kernel */ RADEON_PRIO_IB2, /* IB executed with INDIRECT_BUFFER */ RADEON_PRIO_DRAW_INDIRECT, RADEON_PRIO_INDEX_BUFFER, RADEON_PRIO_VCE = 8, RADEON_PRIO_UVD, RADEON_PRIO_SDMA_BUFFER, RADEON_PRIO_SDMA_TEXTURE, RADEON_PRIO_CP_DMA = 12, RADEON_PRIO_CONST_BUFFER = 16, RADEON_PRIO_DESCRIPTORS, RADEON_PRIO_BORDER_COLORS, RADEON_PRIO_SAMPLER_BUFFER = 20, RADEON_PRIO_VERTEX_BUFFER, RADEON_PRIO_SHADER_RW_BUFFER = 24, RADEON_PRIO_COMPUTE_GLOBAL, RADEON_PRIO_SAMPLER_TEXTURE = 28, RADEON_PRIO_SHADER_RW_IMAGE, RADEON_PRIO_SAMPLER_TEXTURE_MSAA = 32, RADEON_PRIO_COLOR_BUFFER = 36, RADEON_PRIO_DEPTH_BUFFER = 40, RADEON_PRIO_COLOR_BUFFER_MSAA = 44, RADEON_PRIO_DEPTH_BUFFER_MSAA = 48, RADEON_PRIO_CMASK = 52, RADEON_PRIO_DCC, RADEON_PRIO_HTILE, RADEON_PRIO_SHADER_BINARY, /* the hw can't hide instruction cache misses */ RADEON_PRIO_SHADER_RINGS = 56, RADEON_PRIO_SCRATCH_BUFFER = 60, /* 63 is the maximum value */ }; struct winsys_handle; struct radeon_winsys_ctx; struct radeon_winsys_cs_chunk { unsigned cdw; /* Number of used dwords. */ unsigned max_dw; /* Maximum number of dwords. */ uint32_t *buf; /* The base pointer of the chunk. */ }; struct radeon_winsys_cs { struct radeon_winsys_cs_chunk current; struct radeon_winsys_cs_chunk *prev; unsigned num_prev; /* Number of previous chunks. */ unsigned max_prev; /* Space in array pointed to by prev. */ unsigned prev_dw; /* Total number of dwords in previous chunks. */ /* Memory usage of the buffer list. These are always 0 for CE and preamble * IBs. */ uint64_t used_vram; uint64_t used_gart; }; struct radeon_info { /* PCI info: domain:bus:dev:func */ uint32_t pci_domain; uint32_t pci_bus; uint32_t pci_dev; uint32_t pci_func; /* Device info. */ uint32_t pci_id; enum radeon_family family; enum chip_class chip_class; uint32_t gart_page_size; uint64_t gart_size; uint64_t vram_size; uint64_t vram_vis_size; uint64_t max_alloc_size; uint32_t min_alloc_size; bool has_dedicated_vram; bool has_virtual_memory; bool gfx_ib_pad_with_type2; bool has_sdma; bool has_uvd; uint32_t uvd_fw_version; uint32_t vce_fw_version; uint32_t me_fw_version; uint32_t pfp_fw_version; uint32_t ce_fw_version; uint32_t vce_harvest_config; uint32_t clock_crystal_freq; uint32_t tcc_cache_line_size; /* Kernel info. */ uint32_t drm_major; /* version */ uint32_t drm_minor; uint32_t drm_patchlevel; bool has_userptr; /* Shader cores. */ uint32_t r600_max_quad_pipes; /* wave size / 16 */ uint32_t max_shader_clock; uint32_t num_good_compute_units; uint32_t max_se; /* shader engines */ uint32_t max_sh_per_se; /* shader arrays per shader engine */ /* Render backends (color + depth blocks). */ uint32_t r300_num_gb_pipes; uint32_t r300_num_z_pipes; uint32_t r600_gb_backend_map; /* R600 harvest config */ bool r600_gb_backend_map_valid; uint32_t r600_num_banks; uint32_t num_render_backends; uint32_t num_tile_pipes; /* pipe count from PIPE_CONFIG */ uint32_t pipe_interleave_bytes; uint32_t enabled_rb_mask; /* GCN harvest config */ /* Tile modes. */ uint32_t si_tile_mode_array[32]; uint32_t cik_macrotile_mode_array[16]; }; /* Tiling info for display code, DRI sharing, and other data. */ struct radeon_bo_metadata { /* Tiling flags describing the texture layout for display code * and DRI sharing. */ enum radeon_bo_layout microtile; enum radeon_bo_layout macrotile; unsigned pipe_config; unsigned bankw; unsigned bankh; unsigned tile_split; unsigned mtilea; unsigned num_banks; unsigned stride; bool scanout; /* Additional metadata associated with the buffer, in bytes. * The maximum size is 64 * 4. This is opaque for the winsys & kernel. * Supported by amdgpu only. */ uint32_t size_metadata; uint32_t metadata[64]; }; enum radeon_feature_id { RADEON_FID_R300_HYPERZ_ACCESS, /* ZMask + HiZ */ RADEON_FID_R300_CMASK_ACCESS, }; #define RADEON_SURF_MAX_LEVELS 15 enum radeon_surf_mode { RADEON_SURF_MODE_LINEAR_ALIGNED = 1, RADEON_SURF_MODE_1D = 2, RADEON_SURF_MODE_2D = 3, }; /* These are defined exactly like GB_TILE_MODEn.MICRO_TILE_MODE_NEW. */ enum radeon_micro_mode { RADEON_MICRO_MODE_DISPLAY = 0, RADEON_MICRO_MODE_THIN = 1, RADEON_MICRO_MODE_DEPTH = 2, RADEON_MICRO_MODE_ROTATED = 3, }; /* the first 16 bits are reserved for libdrm_radeon, don't use them */ #define RADEON_SURF_SCANOUT (1 << 16) #define RADEON_SURF_ZBUFFER (1 << 17) #define RADEON_SURF_SBUFFER (1 << 18) #define RADEON_SURF_Z_OR_SBUFFER (RADEON_SURF_ZBUFFER | RADEON_SURF_SBUFFER) /* bits 19 and 20 are reserved for libdrm_radeon, don't use them */ #define RADEON_SURF_FMASK (1 << 21) #define RADEON_SURF_DISABLE_DCC (1 << 22) #define RADEON_SURF_TC_COMPATIBLE_HTILE (1 << 23) #define RADEON_SURF_IMPORTED (1 << 24) #define RADEON_SURF_OPTIMIZE_FOR_SPACE (1 << 25) struct radeon_surf_level { uint64_t offset; uint64_t slice_size; uint64_t dcc_offset; uint64_t dcc_fast_clear_size; uint16_t nblk_x; uint16_t nblk_y; enum radeon_surf_mode mode; }; struct radeon_surf { /* Format properties. */ unsigned blk_w:4; unsigned blk_h:4; unsigned bpe:5; /* Number of mipmap levels where DCC is enabled starting from level 0. * Non-zero levels may be disabled due to alignment constraints, but not * the first level. */ unsigned num_dcc_levels:4; unsigned is_linear:1; uint32_t flags; /* These are return values. Some of them can be set by the caller, but * they will be treated as hints (e.g. bankw, bankh) and might be * changed by the calculator. */ uint64_t surf_size; uint64_t dcc_size; uint64_t htile_size; uint32_t surf_alignment; uint32_t dcc_alignment; uint32_t htile_alignment; /* This applies to EG and later. */ unsigned bankw:4; /* max 8 */ unsigned bankh:4; /* max 8 */ unsigned mtilea:4; /* max 8 */ unsigned tile_split:13; /* max 4K */ unsigned stencil_tile_split:13; /* max 4K */ unsigned pipe_config:5; /* max 17 */ unsigned num_banks:5; /* max 16 */ unsigned macro_tile_index:4; /* max 15 */ unsigned micro_tile_mode:3; /* displayable, thin, depth, rotated */ /* Whether the depth miptree or stencil miptree as used by the DB are * adjusted from their TC compatible form to ensure depth/stencil * compatibility. If either is true, the corresponding plane cannot be * sampled from. */ unsigned depth_adjusted:1; unsigned stencil_adjusted:1; struct radeon_surf_level level[RADEON_SURF_MAX_LEVELS]; struct radeon_surf_level stencil_level[RADEON_SURF_MAX_LEVELS]; uint8_t tiling_index[RADEON_SURF_MAX_LEVELS]; uint8_t stencil_tiling_index[RADEON_SURF_MAX_LEVELS]; }; struct radeon_bo_list_item { uint64_t bo_size; uint64_t vm_address; uint64_t priority_usage; /* mask of (1 << RADEON_PRIO_*) */ }; struct radeon_winsys { /** * The screen object this winsys was created for */ struct pipe_screen *screen; /** * Decrement the winsys reference count. * * \param ws The winsys this function is called for. * \return True if the winsys and screen should be destroyed. */ bool (*unref)(struct radeon_winsys *ws); /** * Destroy this winsys. * * \param ws The winsys this function is called from. */ void (*destroy)(struct radeon_winsys *ws); /** * Query an info structure from winsys. * * \param ws The winsys this function is called from. * \param info Return structure */ void (*query_info)(struct radeon_winsys *ws, struct radeon_info *info); /************************************************************************** * Buffer management. Buffer attributes are mostly fixed over its lifetime. * * Remember that gallium gets to choose the interface it needs, and the * window systems must then implement that interface (rather than the * other way around...). *************************************************************************/ /** * Create a buffer object. * * \param ws The winsys this function is called from. * \param size The size to allocate. * \param alignment An alignment of the buffer in memory. * \param use_reusable_pool Whether the cache buffer manager should be used. * \param domain A bitmask of the RADEON_DOMAIN_* flags. * \return The created buffer object. */ struct pb_buffer *(*buffer_create)(struct radeon_winsys *ws, uint64_t size, unsigned alignment, enum radeon_bo_domain domain, enum radeon_bo_flag flags); /** * Map the entire data store of a buffer object into the client's address * space. * * \param buf A winsys buffer object to map. * \param cs A command stream to flush if the buffer is referenced by it. * \param usage A bitmask of the PIPE_TRANSFER_* flags. * \return The pointer at the beginning of the buffer. */ void *(*buffer_map)(struct pb_buffer *buf, struct radeon_winsys_cs *cs, enum pipe_transfer_usage usage); /** * Unmap a buffer object from the client's address space. * * \param buf A winsys buffer object to unmap. */ void (*buffer_unmap)(struct pb_buffer *buf); /** * Wait for the buffer and return true if the buffer is not used * by the device. * * The timeout of 0 will only return the status. * The timeout of PIPE_TIMEOUT_INFINITE will always wait until the buffer * is idle. */ bool (*buffer_wait)(struct pb_buffer *buf, uint64_t timeout, enum radeon_bo_usage usage); /** * Return buffer metadata. * (tiling info for display code, DRI sharing, and other data) * * \param buf A winsys buffer object to get the flags from. * \param md Metadata */ void (*buffer_get_metadata)(struct pb_buffer *buf, struct radeon_bo_metadata *md); /** * Set buffer metadata. * (tiling info for display code, DRI sharing, and other data) * * \param buf A winsys buffer object to set the flags for. * \param md Metadata */ void (*buffer_set_metadata)(struct pb_buffer *buf, struct radeon_bo_metadata *md); /** * Get a winsys buffer from a winsys handle. The internal structure * of the handle is platform-specific and only a winsys should access it. * * \param ws The winsys this function is called from. * \param whandle A winsys handle pointer as was received from a state * tracker. * \param stride The returned buffer stride in bytes. */ struct pb_buffer *(*buffer_from_handle)(struct radeon_winsys *ws, struct winsys_handle *whandle, unsigned *stride, unsigned *offset); /** * Get a winsys buffer from a user pointer. The resulting buffer can't * be exported. Both pointer and size must be page aligned. * * \param ws The winsys this function is called from. * \param pointer User pointer to turn into a buffer object. * \param Size Size in bytes for the new buffer. */ struct pb_buffer *(*buffer_from_ptr)(struct radeon_winsys *ws, void *pointer, uint64_t size); /** * Whether the buffer was created from a user pointer. * * \param buf A winsys buffer object * \return whether \p buf was created via buffer_from_ptr */ bool (*buffer_is_user_ptr)(struct pb_buffer *buf); /** * Get a winsys handle from a winsys buffer. The internal structure * of the handle is platform-specific and only a winsys should access it. * * \param buf A winsys buffer object to get the handle from. * \param whandle A winsys handle pointer. * \param stride A stride of the buffer in bytes, for texturing. * \return true on success. */ bool (*buffer_get_handle)(struct pb_buffer *buf, unsigned stride, unsigned offset, unsigned slice_size, struct winsys_handle *whandle); /** * Return the virtual address of a buffer. * * When virtual memory is not in use, this is the offset relative to the * relocation base (non-zero for sub-allocated buffers). * * \param buf A winsys buffer object * \return virtual address */ uint64_t (*buffer_get_virtual_address)(struct pb_buffer *buf); /** * Return the offset of this buffer relative to the relocation base. * This is only non-zero for sub-allocated buffers. * * This is only supported in the radeon winsys, since amdgpu uses virtual * addresses in submissions even for the video engines. * * \param buf A winsys buffer object * \return the offset for relocations */ unsigned (*buffer_get_reloc_offset)(struct pb_buffer *buf); /** * Query the initial placement of the buffer from the kernel driver. */ enum radeon_bo_domain (*buffer_get_initial_domain)(struct pb_buffer *buf); /************************************************************************** * Command submission. * * Each pipe context should create its own command stream and submit * commands independently of other contexts. *************************************************************************/ /** * Create a command submission context. * Various command streams can be submitted to the same context. */ struct radeon_winsys_ctx *(*ctx_create)(struct radeon_winsys *ws); /** * Destroy a context. */ void (*ctx_destroy)(struct radeon_winsys_ctx *ctx); /** * Query a GPU reset status. */ enum pipe_reset_status (*ctx_query_reset_status)(struct radeon_winsys_ctx *ctx); /** * Create a command stream. * * \param ctx The submission context * \param ring_type The ring type (GFX, DMA, UVD) * \param flush Flush callback function associated with the command stream. * \param user User pointer that will be passed to the flush callback. */ struct radeon_winsys_cs *(*cs_create)(struct radeon_winsys_ctx *ctx, enum ring_type ring_type, void (*flush)(void *ctx, unsigned flags, struct pipe_fence_handle **fence), void *flush_ctx); /** * Add a constant engine IB to a graphics CS. This makes the graphics CS * from "cs_create" a group of two IBs that share a buffer list and are * flushed together. * * The returned constant CS is only a stream for writing packets to the new * IB. Calling other winsys functions with it is not allowed, not even * "cs_destroy". * * In order to add buffers and check memory usage, use the graphics CS. * In order to flush it, use the graphics CS, which will flush both IBs. * Destroying the graphics CS will destroy both of them. * * \param cs The graphics CS from "cs_create" that will hold the buffer * list and will be used for flushing. */ struct radeon_winsys_cs *(*cs_add_const_ib)(struct radeon_winsys_cs *cs); /** * Add a constant engine preamble IB to a graphics CS. This add an extra IB * in similar manner to cs_add_const_ib. This should always be called after * cs_add_const_ib. * * The returned IB is a constant engine IB that only gets flushed if the * context changed. * * \param cs The graphics CS from "cs_create" that will hold the buffer * list and will be used for flushing. */ struct radeon_winsys_cs *(*cs_add_const_preamble_ib)(struct radeon_winsys_cs *cs); /** * Destroy a command stream. * * \param cs A command stream to destroy. */ void (*cs_destroy)(struct radeon_winsys_cs *cs); /** * Add a buffer. Each buffer used by a CS must be added using this function. * * \param cs Command stream * \param buf Buffer * \param usage Whether the buffer is used for read and/or write. * \param domain Bitmask of the RADEON_DOMAIN_* flags. * \param priority A higher number means a greater chance of being * placed in the requested domain. 15 is the maximum. * \return Buffer index. */ unsigned (*cs_add_buffer)(struct radeon_winsys_cs *cs, struct pb_buffer *buf, enum radeon_bo_usage usage, enum radeon_bo_domain domain, enum radeon_bo_priority priority); /** * Return the index of an already-added buffer. * * Not supported on amdgpu. Drivers with GPUVM should not care about * buffer indices. * * \param cs Command stream * \param buf Buffer * \return The buffer index, or -1 if the buffer has not been added. */ int (*cs_lookup_buffer)(struct radeon_winsys_cs *cs, struct pb_buffer *buf); /** * Return true if there is enough memory in VRAM and GTT for the buffers * added so far. If the validation fails, all buffers which have * been added since the last call of cs_validate will be removed and * the CS will be flushed (provided there are still any buffers). * * \param cs A command stream to validate. */ bool (*cs_validate)(struct radeon_winsys_cs *cs); /** * Check whether the given number of dwords is available in the IB. * Optionally chain a new chunk of the IB if necessary and supported. * * \param cs A command stream. * \param dw Number of CS dwords requested by the caller. */ bool (*cs_check_space)(struct radeon_winsys_cs *cs, unsigned dw); /** * Return the buffer list. * * This is the buffer list as passed to the kernel, i.e. it only contains * the parent buffers of sub-allocated buffers. * * \param cs Command stream * \param list Returned buffer list. Set to NULL to query the count only. * \return The buffer count. */ unsigned (*cs_get_buffer_list)(struct radeon_winsys_cs *cs, struct radeon_bo_list_item *list); /** * Flush a command stream. * * \param cs A command stream to flush. * \param flags, RADEON_FLUSH_ASYNC or 0. * \param fence Pointer to a fence. If non-NULL, a fence is inserted * after the CS and is returned through this parameter. * \return Negative POSIX error code or 0 for success. * Asynchronous submissions never return an error. */ int (*cs_flush)(struct radeon_winsys_cs *cs, unsigned flags, struct pipe_fence_handle **fence); /** * Create a fence before the CS is flushed. * The user must flush manually to complete the initializaton of the fence. * The fence must not be used before the flush. */ struct pipe_fence_handle *(*cs_get_next_fence)(struct radeon_winsys_cs *cs); /** * Return true if a buffer is referenced by a command stream. * * \param cs A command stream. * \param buf A winsys buffer. */ bool (*cs_is_buffer_referenced)(struct radeon_winsys_cs *cs, struct pb_buffer *buf, enum radeon_bo_usage usage); /** * Request access to a feature for a command stream. * * \param cs A command stream. * \param fid Feature ID, one of RADEON_FID_* * \param enable Whether to enable or disable the feature. */ bool (*cs_request_feature)(struct radeon_winsys_cs *cs, enum radeon_feature_id fid, bool enable); /** * Make sure all asynchronous flush of the cs have completed * * \param cs A command stream. */ void (*cs_sync_flush)(struct radeon_winsys_cs *cs); /** * Wait for the fence and return true if the fence has been signalled. * The timeout of 0 will only return the status. * The timeout of PIPE_TIMEOUT_INFINITE will always wait until the fence * is signalled. */ bool (*fence_wait)(struct radeon_winsys *ws, struct pipe_fence_handle *fence, uint64_t timeout); /** * Reference counting for fences. */ void (*fence_reference)(struct pipe_fence_handle **dst, struct pipe_fence_handle *src); /** * Initialize surface * * \param ws The winsys this function is called from. * \param tex Input texture description * \param flags Bitmask of RADEON_SURF_* flags * \param bpe Bytes per pixel, it can be different for Z buffers. * \param mode Preferred tile mode. (linear, 1D, or 2D) * \param surf Output structure */ int (*surface_init)(struct radeon_winsys *ws, const struct pipe_resource *tex, unsigned flags, unsigned bpe, enum radeon_surf_mode mode, struct radeon_surf *surf); uint64_t (*query_value)(struct radeon_winsys *ws, enum radeon_value_id value); bool (*read_registers)(struct radeon_winsys *ws, unsigned reg_offset, unsigned num_registers, uint32_t *out); }; static inline bool radeon_emitted(struct radeon_winsys_cs *cs, unsigned num_dw) { return cs && (cs->prev_dw + cs->current.cdw > num_dw); } static inline void radeon_emit(struct radeon_winsys_cs *cs, uint32_t value) { cs->current.buf[cs->current.cdw++] = value; } static inline void radeon_emit_array(struct radeon_winsys_cs *cs, const uint32_t *values, unsigned count) { memcpy(cs->current.buf + cs->current.cdw, values, count * 4); cs->current.cdw += count; } #endif