/* $Id: vboxvideo_drm.c 96407 2022-08-22 17:43:14Z vboxsync $ */ /** @file * vboxvideo_drm - Direct Rendering Module, Solaris Specific Code. */ /* * Copyright (C) 2009-2022 Oracle and/or its affiliates. * * This file is part of VirtualBox base platform packages, as * available from https://www.virtualbox.org. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, in version 3 of the * License. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included * in the VirtualBox distribution, in which case the provisions of the * CDDL are applicable instead of those of the GPL. * * You may elect to license modified versions of this file under the * terms and conditions of either the GPL or the CDDL or both. * * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 */ /********************************************************************************************************************************* * Header Files * *********************************************************************************************************************************/ #undef offsetof /* This gets redefined in drmP.h */ #include "include/drmP.h" #include "include/drm.h" #undef u /* /usr/include/sys/user.h:249:1 is where this is defined to (curproc->p_user). very cool. */ #include #include /********************************************************************************************************************************* * Defined Constants And Macros * *********************************************************************************************************************************/ #define VBOXSOLQUOTE2(x) #x #define VBOXSOLQUOTE(x) VBOXSOLQUOTE2(x) /** The module name. */ #define DEVICE_NAME "vboxvideo" /** The module description as seen in 'modinfo'. */ #define DEVICE_DESC_DRV "VirtualBox DRM" /** DRM Specific defines */ #define DRIVER_AUTHOR "Oracle Corporation" #define DRIVER_NAME DEVICE_NAME #define DRIVER_DESC DEVICE_DESC_DRV #define DRIVER_DATE "20090317" #define DRIVER_MAJOR 1 #define DRIVER_MINOR 0 #define DRIVER_PATCHLEVEL 0 #define vboxvideo_PCI_IDS { 0x80ee, 0xbeef, 0, "VirtualBox Video" }, \ { 0, 0, 0, NULL } /********************************************************************************************************************************* * Internal Functions * *********************************************************************************************************************************/ static int VBoxVideoSolarisAttach(dev_info_t *pDip, ddi_attach_cmd_t enmCmd); static int VBoxVideoSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t enmCmd); static int VBoxVideoSolarisGetInfo(dev_info_t *pDip, ddi_info_cmd_t enmCmd, void *pvArg, void **ppvResult); static void vboxVideoSolarisConfigure(drm_driver_t *pDriver); /********************************************************************************************************************************* * Structures and Typedefs * *********************************************************************************************************************************/ extern struct cb_ops drm_cb_ops; /** * dev_ops: for driver device operations */ static struct dev_ops g_VBoxVideoSolarisDevOps = { DEVO_REV, /* driver build revision */ 0, /* ref count */ VBoxVideoSolarisGetInfo, nulldev, /* identify */ nulldev, /* probe */ VBoxVideoSolarisAttach, VBoxVideoSolarisDetach, nodev, /* reset */ &drm_cb_ops, NULL, /* dev bus ops*/ NULL /* power */ }; /** * modldrv: export driver specifics to the kernel */ static struct modldrv g_VBoxVideoSolarisModule = { &mod_driverops, /* extern from kernel */ DEVICE_DESC_DRV " " VBOX_VERSION_STRING "r" VBOXSOLQUOTE(VBOX_SVN_REV), &g_VBoxVideoSolarisDevOps }; /** * modlinkage: export install/remove/info to the kernel */ static struct modlinkage g_VBoxVideoSolarisModLinkage = { MODREV_1, /* loadable module system revision */ &g_VBoxVideoSolarisModule, NULL /* terminate array of linkage structures */ }; /* VBoxVideo device PCI ID */ static drm_pci_id_list_t vboxvideo_pciidlist[] = { vboxvideo_PCI_IDS }; /** DRM Driver */ static drm_driver_t g_VBoxVideoSolarisDRMDriver = { 0 }; /********************************************************************************************************************************* * Global Variables * *********************************************************************************************************************************/ /** Soft state. */ static void *g_pVBoxVideoSolarisState; /** * Kernel entry points */ int _init(void) { LogFlow((DEVICE_NAME ":_init flow\n")); cmn_err(CE_NOTE, DEVICE_NAME ":_init\n"); vboxVideoSolarisConfigure(&g_VBoxVideoSolarisDRMDriver); int rc = ddi_soft_state_init(&g_pVBoxVideoSolarisState, sizeof(drm_device_t), DRM_MAX_INSTANCES); if (!rc) return mod_install(&g_VBoxVideoSolarisModLinkage); else LogRel((DEVICE_NAME ":_init: ddi_soft_state_init failed. rc=%d\n", rc)); } int _fini(void) { LogFlow((DEVICE_NAME ":_fini flow\n")); cmn_err(CE_NOTE, DEVICE_NAME ":_fini\n"); int rc = mod_remove(&g_VBoxVideoSolarisModLinkage); if (!rc) ddi_soft_state_fini(&g_pVBoxVideoSolarisState); return rc; } int _info(struct modinfo *pModInfo) { LogFlow((DEVICE_NAME ":_info flow\n")); cmn_err(CE_NOTE, DEVICE_NAME ":_info\n"); return mod_info(&g_VBoxVideoSolarisModLinkage, pModInfo); } /** * Attach entry point, to attach a device to the system or resume it. * * @param pDip The module structure instance. * @param enmCmd Operation type (attach/resume). * * @returns corresponding solaris error code. */ static int VBoxVideoSolarisAttach(dev_info_t *pDip, ddi_attach_cmd_t enmCmd) { LogFlow((DEVICE_NAME ":VBoxVideoSolarisAttach pDip=%p enmCmd=%d\n", pDip, enmCmd)); cmn_err(CE_NOTE, DEVICE_NAME ":attach\n"); switch (enmCmd) { case DDI_ATTACH: { drm_device_t *pState; int Instance = ddi_get_instance(pDip); int rc = ddi_soft_state_zalloc(g_pVBoxVideoSolarisState, Instance); if (rc == DDI_SUCCESS) { pState = ddi_get_soft_state(g_pVBoxVideoSolarisState, Instance); pState->dip = pDip; pState->driver = &g_VBoxVideoSolarisDRMDriver; /* * Register using the DRM module which will create the minor nodes */ void *pDRMHandle = drm_supp_register(pDip, pState); if (pDRMHandle) { pState->drm_handle = pDRMHandle; /* * Probe with our pci-id. * -XXX- is probing really required??? */ pState->drm_supported = DRM_UNSUPPORT; rc = drm_probe(pState, vboxvideo_pciidlist); if (rc == DDI_SUCCESS) { pState->drm_supported = DRM_SUPPORT; /* * Call the common attach DRM routine. */ rc = drm_attach(pState); if (rc == DDI_SUCCESS) { return DDI_SUCCESS; } else LogRel((DEVICE_NAME ":VBoxVideoSolarisAttach drm_attach failed.rc=%d\n", rc)); } else LogRel((DEVICE_NAME ":VBoxVideoSolarisAttach drm_probe failed.rc=%d\n", rc)); drm_supp_unregister(pDRMHandle); } else LogRel((DEVICE_NAME ":VBoxVideoSolarisAttach drm_supp_register failed.\n")); ddi_soft_state_free(g_pVBoxVideoSolarisState, Instance); } else LogRel((DEVICE_NAME ":VBoxVideoSolarisAttach failed to alloc memory for soft state.rc=%d\n", rc)); return DDI_FAILURE; } case DDI_RESUME: { /* Nothing to do here... */ return DDI_SUCCESS; } } return DDI_FAILURE; } /** * Detach entry point, to detach a device to the system or suspend it. * * @param pDip The module structure instance. * @param enmCmd Operation type (detach/suspend). * * @returns corresponding solaris error code. */ static int VBoxVideoSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t enmCmd) { LogFlow((DEVICE_NAME ":VBoxVideoSolarisDetach pDip=%p enmCmd=%d\n", pDip, enmCmd)); switch (enmCmd) { case DDI_DETACH: { int Instance = ddi_get_instance(pDip); drm_device_t *pState = ddi_get_soft_state(g_pVBoxVideoSolarisState, Instance); if (pState) { drm_detach(pState); drm_supp_unregister(pState->drm_handle); ddi_soft_state_free(g_pVBoxVideoSolarisState, Instance); return DDI_SUCCESS; } else LogRel((DEVICE_NAME ":VBoxVideoSolarisDetach failed to get soft state.\n")); return DDI_FAILURE; } case DDI_RESUME: { /* Nothing to do here... */ return DDI_SUCCESS; } } return DDI_FAILURE; } /* * Info entry point, called by solaris kernel for obtaining driver info. * * @param pDip The module structure instance (do not use). * @param enmCmd Information request type. * @param pvArg Type specific argument. * @param ppvResult Where to store the requested info. * * @return corresponding solaris error code. */ static int VBoxVideoSolarisGetInfo(dev_info_t *pDip, ddi_info_cmd_t enmCmd, void *pvArg, void **ppvResult) { LogFlow((DEVICE_NAME ":VBoxGuestSolarisGetInfo\n")); int rc = DDI_FAILURE; int Instance = drm_dev_to_instance((dev_t)pvArg); drm_device_t *pState = NULL; switch (enmCmd) { case DDI_INFO_DEVT2DEVINFO: { pState = ddi_get_soft_state(g_pVBoxVideoSolarisState, Instance); if ( pState && pState->dip) { *ppvResult = (void *)pState->dip; rc = DDI_SUCCESS; } else { LogRel((DEVICE_NAME ":VBoxGuestSolarisGetInfo state or state's devinfo invalid.\n")); rc = DDI_FAILURE; } break; } case DDI_INFO_DEVT2INSTANCE: { *ppvResult = (void *)(uintptr_t)Instance; rc = DDI_SUCCESS; break; } default: { rc = DDI_FAILURE; break; } } return rc; } static int vboxVideoSolarisLoad(drm_device_t *pDevice, unsigned long fFlag) { return 0; } static int vboxVideoSolarisUnload(drm_device_t *pDevice) { return 0; } static void vboxVideoSolarisLastClose(drm_device_t *pDevice) { } static void vboxVideoSolarisPreClose(drm_device_t *pDevice, drm_file_t *pFile) { } static void vboxVideoSolarisConfigure(drm_driver_t *pDriver) { /* * DRM entry points, use the common DRM extension wherever possible. */ pDriver->buf_priv_size = 1; pDriver->load = vboxVideoSolarisLoad; pDriver->unload = vboxVideoSolarisUnload; pDriver->preclose = vboxVideoSolarisPreClose; pDriver->lastclose = vboxVideoSolarisLastClose; pDriver->device_is_agp = drm_device_is_agp; #if 0 pDriver->get_vblank_counter = drm_vblank_count; pDriver->enable_vblank = NULL; pDriver->disable_vblank = NULL; pDriver->irq_install = drm_driver_irq_install; pDriver->irq_preinstall = drm_driver_irq_preinstall; pDriver->irq_postinstall = drm_driver_irq_postinstall; pDirver->irq_uninstall = drm_driver_irq_uninstall; pDriver->irq_handler = drm_driver_irq_handler; pDriver->driver_ioctls = pDriver->max_driver_ioctls = #endif pDriver->driver_name = DRIVER_NAME; pDriver->driver_desc = DRIVER_DESC; pDriver->driver_date = DRIVER_DATE; pDriver->driver_major = DRIVER_MAJOR; pDriver->driver_minor = DRIVER_MINOR; pDriver->driver_patchlevel = DRIVER_PATCHLEVEL; pDriver->use_agp = 1; pDriver->require_agp = 1; pDriver->use_irq = 1; }