/* * fbif.h -- Xen virtual frame buffer device * * 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 * AUTHORS OR COPYRIGHT HOLDERS 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. * * Copyright (C) 2005 Anthony Liguori * Copyright (C) 2006 Red Hat, Inc., Markus Armbruster */ #ifndef __XEN_PUBLIC_IO_FBIF_H__ #define __XEN_PUBLIC_IO_FBIF_H__ /* Out events (frontend -> backend) */ /* * Out events may be sent only when requested by backend, and receipt * of an unknown out event is an error. */ /* Event type 1 currently not used */ /* * Framebuffer update notification event * Capable frontend sets feature-update in xenstore. * Backend requests it by setting request-update in xenstore. */ #define XENFB_TYPE_UPDATE 2 struct xenfb_update { uint8_t type; /* XENFB_TYPE_UPDATE */ int32_t x; /* source x */ int32_t y; /* source y */ int32_t width; /* rect width */ int32_t height; /* rect height */ }; /* * Framebuffer resize notification event * Capable backend sets feature-resize in xenstore. */ #define XENFB_TYPE_RESIZE 3 struct xenfb_resize { uint8_t type; /* XENFB_TYPE_RESIZE */ int32_t width; /* width in pixels */ int32_t height; /* height in pixels */ int32_t stride; /* stride in bytes */ int32_t depth; /* depth in bits */ int32_t offset; /* start offset within framebuffer */ }; #define XENFB_OUT_EVENT_SIZE 40 union xenfb_out_event { uint8_t type; struct xenfb_update update; struct xenfb_resize resize; char pad[XENFB_OUT_EVENT_SIZE]; }; /* In events (backend -> frontend) */ /* * Frontends should ignore unknown in events. * No in events currently defined. */ #define XENFB_IN_EVENT_SIZE 40 union xenfb_in_event { uint8_t type; char pad[XENFB_IN_EVENT_SIZE]; }; /* shared page */ #define XENFB_IN_RING_SIZE 1024 #define XENFB_IN_RING_LEN (XENFB_IN_RING_SIZE / XENFB_IN_EVENT_SIZE) #define XENFB_IN_RING_OFFS 1024 #define XENFB_IN_RING(page) \ ((union xenfb_in_event *)((char *)(page) + XENFB_IN_RING_OFFS)) #define XENFB_IN_RING_REF(page, idx) \ (XENFB_IN_RING((page))[(idx) % XENFB_IN_RING_LEN]) #define XENFB_OUT_RING_SIZE 2048 #define XENFB_OUT_RING_LEN (XENFB_OUT_RING_SIZE / XENFB_OUT_EVENT_SIZE) #define XENFB_OUT_RING_OFFS (XENFB_IN_RING_OFFS + XENFB_IN_RING_SIZE) #define XENFB_OUT_RING(page) \ ((union xenfb_out_event *)((char *)(page) + XENFB_OUT_RING_OFFS)) #define XENFB_OUT_RING_REF(page, idx) \ (XENFB_OUT_RING((page))[(idx) % XENFB_OUT_RING_LEN]) struct xenfb_page { uint32_t in_cons, in_prod; uint32_t out_cons, out_prod; int32_t width; /* width of the framebuffer (in pixels) */ int32_t height; /* height of the framebuffer (in pixels) */ uint32_t line_length; /* length of a row of pixels (in bytes) */ uint32_t mem_length; /* length of the framebuffer (in bytes) */ uint8_t depth; /* depth of a pixel (in bits) */ /* * Framebuffer page directory * * Each directory page holds PAGE_SIZE / sizeof(*pd) * framebuffer pages, and can thus map up to PAGE_SIZE * * PAGE_SIZE / sizeof(*pd) bytes. With PAGE_SIZE == 4096 and * sizeof(unsigned long) == 4/8, that's 4 Megs 32 bit and 2 * Megs 64 bit. 256 directories give enough room for a 512 * Meg framebuffer with a max resolution of 12,800x10,240. * Should be enough for a while with room leftover for * expansion. */ unsigned long pd[256]; }; /* * Wart: xenkbd needs to know default resolution. Put it here until a * better solution is found, but don't leak it to the backend. */ #ifdef __KERNEL__ #define XENFB_WIDTH 800 #define XENFB_HEIGHT 600 #define XENFB_DEPTH 32 #endif #endif drm_agpsupport.h3867logplain -rw-r--r--drm_atomic.h14443logplain -rw-r--r--drm_atomic_helper.h10607logplain -rw-r--r--drm_auth.h2260logplain -rw-r--r--drm_blend.h2700logplain -rw-r--r--drm_bridge.h7977logplain -rw-r--r--drm_cache.h1763logplain -rw-r--r--drm_color_mgmt.h2166logplain -rw-r--r--drm_connector.h28613logplain -rw-r--r--drm_crtc.h28999logplain -rw-r--r--drm_crtc_helper.h3301logplain -rw-r--r--drm_debugfs_crc.h2670logplain -rw-r--r--drm_displayid.h2850logplain -rw-r--r--drm_dp_dual_mode_helper.h4532logplain -rw-r--r--drm_dp_helper.h30638logplain -rw-r--r--drm_dp_mst_helper.h16260logplain -rw-r--r--drm_drv.h14861logplain -rw-r--r--drm_edid.h14335logplain -rw-r--r--drm_encoder.h8160logplain -rw-r--r--drm_encoder_slave.h6583logplain -rw-r--r--drm_fb_cma_helper.h1929logplain -rw-r--r--drm_fb_helper.h15125logplain -rw-r--r--drm_fixed.h4825logplain -rw-r--r--drm_flip_work.h3071logplain -rw-r--r--drm_fourcc.h2748logplain -rw-r--r--drm_framebuffer.h9623logplain -rw-r--r--drm_gem.h8052logplain -rw-r--r--drm_gem_cma_helper.h2286logplain -rw-r--r--drm_global.h2011logplain -rw-r--r--drm_hashtab.h3139logplain -rw-r--r--drm_irq.h6323logplain -rw-r--r--drm_legacy.h6933logplain -rw-r--r--drm_mem_util.h2468logplain -rw-r--r--drm_mipi_dsi.h10327logplain -rw-r--r--drm_mm.h11462logplain -rw-r--r--drm_mode_config.h23728logplain -rw-r--r--drm_mode_object.h4911logplain -rw-r--r--drm_modes.h17078logplain -rw-r--r--drm_modeset_helper.h1576logplain -rw-r--r--drm_modeset_helper_vtables.h41180logplain -rw-r--r--drm_modeset_lock.h4241logplain -rw-r--r--drm_of.h2034logplain -rw-r--r--drm_os_linux.h2230logplain -rw-r--r--drm_panel.h7079logplain -rw-r--r--drm_pciids.h68035logplain -rw-r--r--drm_plane.h19435logplain -rw-r--r--drm_plane_helper.h3186logplain -rw-r--r--drm_print.h3232logplain -rw-r--r--drm_property.h11460logplain -rw-r--r--drm_rect.h5103logplain -rw-r--r--drm_simple_kms_helper.h4090logplain -rw-r--r--drm_sysfs.h300logplain -rw-r--r--drm_vma_manager.h7840logplain -rw-r--r--gma_drm.h1033logplain d---------i2c109logplain