/* $Id: accelerant.cpp 63566 2016-08-16 14:05:58Z vboxsync $ */ /** @file * VBoxVideo Accelerant; Haiku Guest Additions, implementation. */ /* * Copyright (C) 2012-2016 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. */ /* * This code is based on: * * VirtualBox Guest Additions for Haiku. * Copyright (c) 2011 Mike Smith * François Revol * * 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. */ /********************************************************************************************************************************* * Header Files * *********************************************************************************************************************************/ #include #include "accelerant.h" #include #include #include /********************************************************************************************************************************* * Global Variables * *********************************************************************************************************************************/ AccelerantInfo gInfo; static engine_token sEngineToken = { 1, 0 /*B_2D_ACCELERATION*/, NULL }; /** @todo r=ramshankar: get rid of this and replace with IPRT logging. */ #define TRACE(x...) do { \ FILE* logfile = fopen("/var/log/vboxvideo.accelerant.log", "a"); \ fprintf(logfile, x); \ fflush(logfile); \ fsync(fileno(logfile)); \ fclose(logfile); \ sync(); \ } while(0) class AreaCloner { public: AreaCloner() : fArea(-1) { } ~AreaCloner() { if (fArea >= B_OK) delete_area(fArea); } area_id Clone(const char *name, void **_address, uint32 spec, uint32 protection, area_id sourceArea) { fArea = clone_area(name, _address, spec, protection, sourceArea); return fArea; } status_t InitCheck() { return fArea < B_OK ? (status_t)fArea : B_OK; } void Keep() { fArea = -1; } private: area_id fArea; }; extern "C" void* get_accelerant_hook(uint32 feature, void *data) { TRACE("%s\n", __FUNCTION__); switch (feature) { /* General */ case B_INIT_ACCELERANT: return (void *)vboxvideo_init_accelerant; case B_UNINIT_ACCELERANT: return (void *)vboxvideo_uninit_accelerant; case B_CLONE_ACCELERANT: return (void *)vboxvideo_clone_accelerant; case B_ACCELERANT_CLONE_INFO_SIZE: return (void *)vboxvideo_accelerant_clone_info_size; case B_GET_ACCELERANT_CLONE_INFO: return (void *)vboxvideo_get_accelerant_clone_info; case B_GET_ACCELERANT_DEVICE_INFO: return (void *)vboxvideo_get_accelerant_device_info; case B_ACCELERANT_RETRACE_SEMAPHORE: return (void *)vboxvideo_accelerant_retrace_semaphore; /* Mode configuration */ case B_ACCELERANT_MODE_COUNT: return (void *)vboxvideo_accelerant_mode_count; case B_GET_MODE_LIST: return (void *)vboxvideo_get_mode_list; case B_SET_DISPLAY_MODE: return (void *)vboxvideo_set_display_mode; case B_GET_DISPLAY_MODE: return (void *)vboxvideo_get_display_mode; case B_GET_EDID_INFO: return (void *)vboxvideo_get_edid_info; case B_GET_FRAME_BUFFER_CONFIG: return (void *)vboxvideo_get_frame_buffer_config; case B_GET_PIXEL_CLOCK_LIMITS: return (void *)vboxvideo_get_pixel_clock_limits; #if 0 /* cursor managment */ case B_SET_CURSOR_SHAPE: return (void*)vboxvideo_set_cursor_shape; case B_MOVE_CURSOR: return (void*)vboxvideo_move_cursor; case B_SHOW_CURSOR: return (void*)vboxvideo_show_cursor; #endif /* Engine/synchronization */ case B_ACCELERANT_ENGINE_COUNT: return (void *)vboxvideo_accelerant_engine_count; case B_ACQUIRE_ENGINE: return (void *)vboxvideo_acquire_engine; case B_RELEASE_ENGINE: return (void *)vboxvideo_release_engine; case B_WAIT_ENGINE_IDLE: return (void *)vboxvideo_wait_engine_idle; case B_GET_SYNC_TOKEN: return (void *)vboxvideo_get_sync_token; case B_SYNC_TO_TOKEN: return (void *)vboxvideo_sync_to_token; } return NULL; } status_t vboxvideo_init_common(int fd, bool cloned) { unlink("/var/log/vboxvideo.accelerant.log"); // clear old log - next TRACE() will recreate it TRACE("%s\n", __FUNCTION__); gInfo.deviceFD = fd; gInfo.isClone = cloned; gInfo.sharedInfo = NULL; gInfo.sharedInfoArea = -1; area_id sharedArea; if (ioctl(gInfo.deviceFD, VBOXVIDEO_GET_PRIVATE_DATA, &sharedArea, sizeof(area_id)) != 0) { TRACE("ioctl failed\n"); return B_ERROR; } AreaCloner sharedCloner; gInfo.sharedInfoArea = sharedCloner.Clone("vboxvideo shared info", (void **)&gInfo.sharedInfo, B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, sharedArea); status_t status = sharedCloner.InitCheck(); if (status < B_OK) { TRACE("InitCheck failed (%s)\n", strerror(status)); return status; } sharedCloner.Keep(); return B_OK; } status_t vboxvideo_init_accelerant(int fd) { return vboxvideo_init_common(fd, false); } ssize_t vboxvideo_accelerant_clone_info_size(void) { TRACE("%s\n", __FUNCTION__); return B_PATH_NAME_LENGTH; } void vboxvideo_get_accelerant_clone_info(void *data) { TRACE("%s\n", __FUNCTION__); ioctl(gInfo.deviceFD, VBOXVIDEO_GET_DEVICE_NAME, data, B_PATH_NAME_LENGTH); } status_t vboxvideo_clone_accelerant(void *data) { TRACE("%s\n", __FUNCTION__); /* Create full device name */ char path[MAXPATHLEN]; strcpy(path, "/dev/"); strcat(path, (const char *)data); int fd = open(path, B_READ_WRITE); if (fd < 0) return errno; return vboxvideo_init_common(fd, true); } void vboxvideo_uninit_accelerant(void) { delete_area(gInfo.sharedInfoArea); gInfo.sharedInfo = NULL; gInfo.sharedInfoArea = -1; if (gInfo.isClone) close(gInfo.deviceFD); TRACE("%s\n", __FUNCTION__); } status_t vboxvideo_get_accelerant_device_info(accelerant_device_info *adi) { TRACE("%s\n", __FUNCTION__); adi->version = B_ACCELERANT_VERSION; strcpy(adi->name, "Virtual display"); strcpy(adi->chipset, "VirtualBox Graphics Adapter"); strcpy(adi->serial_no, "9001"); return B_OK; } sem_id vboxvideo_accelerant_retrace_semaphore(void) { TRACE("%s\n", __FUNCTION__); return -1; } // modes & constraints uint32 vboxvideo_accelerant_mode_count(void) { TRACE("%s\n", __FUNCTION__); return 1; } status_t vboxvideo_get_mode_list(display_mode *dm) { /// @todo return some standard modes here TRACE("%s\n", __FUNCTION__); return vboxvideo_get_display_mode(dm); } status_t vboxvideo_set_display_mode(display_mode *modeToSet) { TRACE("%s\n", __FUNCTION__); TRACE("trying to set mode %dx%d\n", modeToSet->timing.h_display, modeToSet->timing.v_display); return ioctl(gInfo.deviceFD, VBOXVIDEO_SET_DISPLAY_MODE, modeToSet, sizeof(display_mode)); } status_t vboxvideo_get_display_mode(display_mode *currentMode) { TRACE("%s\n", __FUNCTION__); *currentMode = gInfo.sharedInfo->currentMode; TRACE("current mode is %dx%d\n", currentMode->timing.h_display, currentMode->timing.v_display); return B_OK; } status_t vboxvideo_get_edid_info(void *info, size_t size, uint32 *_version) { TRACE("%s\n", __FUNCTION__); /* Copied from the X11 implementation: */ static const uint8 edid_data[128] = { 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, /* header */ 0x58, 0x58, /* manufacturer (VBX) */ 0x00, 0x00, /* product code */ 0x00, 0x00, 0x00, 0x00, /* serial number goes here */ 0x01, /* week of manufacture */ 0x00, /* year of manufacture */ 0x01, 0x03, /* EDID version */ 0x80, /* capabilities - digital */ 0x00, /* horiz. res in cm, zero for projectors */ 0x00, /* vert. res in cm */ 0x78, /* display gamma (120 == 2.2). Should we ask the host for this? */ 0xEE, /* features (standby, suspend, off, RGB, standard colour space, * preferred timing mode) */ 0xEE, 0x91, 0xA3, 0x54, 0x4C, 0x99, 0x26, 0x0F, 0x50, 0x54, /* chromaticity for standard colour space - should we ask the host? */ 0x00, 0x00, 0x00, /* no default timings */ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, /* no standard timings */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* descriptor block 1 goes here */ 0x00, 0x00, 0x00, 0xFD, 0x00, /* descriptor block 2, monitor ranges */ 0x00, 0xC8, 0x00, 0xC8, 0x64, 0x00, 0x0A, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, /* 0-200Hz vertical, 0-200KHz horizontal, 1000MHz pixel clock */ 0x00, 0x00, 0x00, 0xFC, 0x00, /* descriptor block 3, monitor name */ 'V', 'B', 'O', 'X', ' ', 'm', 'o', 'n', 'i', 't', 'o', 'r', '\n', 0x00, 0x00, 0x00, 0x10, 0x00, /* descriptor block 4: dummy data */ 0x0A, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, /* number of extensions */ 0x00 /* checksum goes here */ }; if (size < 128) return B_BUFFER_OVERFLOW; *_version = 1; /* EDID_VERSION_1 */ memcpy(info, edid_data, 128); return B_OK; } status_t vboxvideo_get_frame_buffer_config(frame_buffer_config *config) { TRACE("%s\n", __FUNCTION__); config->frame_buffer = gInfo.sharedInfo->framebuffer; config->frame_buffer_dma = NULL; config->bytes_per_row = get_depth_for_color_space(gInfo.sharedInfo->currentMode.space) * gInfo.sharedInfo->currentMode.timing.h_display / 8; return B_OK; } status_t vboxvideo_get_pixel_clock_limits(display_mode *dm, uint32 *low, uint32 *high) { TRACE("%s\n", __FUNCTION__); // irrelevant for virtual monitors *low = 0; *high = 9001; return B_OK; } /* Cursor */ status_t vboxvideo_set_cursor_shape(uint16 width, uint16 height, uint16 hotX, uint16 hotY, uint8 *andMask, uint8 *xorMask) { TRACE("%s\n", __FUNCTION__); // VBoxHGSMIUpdatePointerShape return B_UNSUPPORTED; } void vboxvideo_move_cursor(uint16 x, uint16 y) { TRACE("%s\n", __FUNCTION__); } void vboxvideo_show_cursor(bool is_visible) { TRACE("%s\n", __FUNCTION__); } /* Accelerant engine */ uint32 vboxvideo_accelerant_engine_count(void) { TRACE("%s\n", __FUNCTION__); return 1; } status_t vboxvideo_acquire_engine(uint32 capabilities, uint32 maxWait, sync_token *st, engine_token **et) { TRACE("%s\n", __FUNCTION__); *et = &sEngineToken; return B_OK; } status_t vboxvideo_release_engine(engine_token *et, sync_token *st) { TRACE("%s\n", __FUNCTION__); if (st != NULL) st->engine_id = et->engine_id; return B_OK; } void vboxvideo_wait_engine_idle(void) { TRACE("%s\n", __FUNCTION__); } status_t vboxvideo_get_sync_token(engine_token *et, sync_token *st) { TRACE("%s\n", __FUNCTION__); return B_OK; } status_t vboxvideo_sync_to_token(sync_token *st) { TRACE("%s\n", __FUNCTION__); return B_OK; } /* 2D acceleration */ void vboxvideo_screen_to_screen_blit(engine_token *et, blit_params *list, uint32 count) { TRACE("%s\n", __FUNCTION__); } void vboxvideo_fill_rectangle(engine_token *et, uint32 color, fill_rect_params *list, uint32 count) { TRACE("%s\n", __FUNCTION__); } void vboxvideo_invert_rectangle(engine_token *et, fill_rect_params *list, uint32 count) { TRACE("%s\n", __FUNCTION__); } void vboxvideo_fill_span(engine_token *et, uint32 color, uint16 *list, uint32 count) { TRACE("%s\n", __FUNCTION__); }