diff options
Diffstat (limited to 'src/VBox/Additions/solaris/DRM/vboxvideo_drm.c')
| -rw-r--r-- | src/VBox/Additions/solaris/DRM/vboxvideo_drm.c | 409 |
1 files changed, 409 insertions, 0 deletions
diff --git a/src/VBox/Additions/solaris/DRM/vboxvideo_drm.c b/src/VBox/Additions/solaris/DRM/vboxvideo_drm.c new file mode 100644 index 00000000..c63deb33 --- /dev/null +++ b/src/VBox/Additions/solaris/DRM/vboxvideo_drm.c @@ -0,0 +1,409 @@ +/* $Id: vboxvideo_drm.c $ */ +/** @file + * vboxvideo_drm - Direct Rendering Module, Solaris Specific Code. + */ + +/* + * Copyright (C) 2009-2023 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 <https://www.gnu.org/licenses>. + * + * 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 <VBox/log.h> +#include <VBox/version.h> + + +/********************************************************************************************************************************* +* 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; +} + |