drm_drv.c revision 242467
119304Speter/*- 219304Speter * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. 319304Speter * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 419304Speter * All Rights Reserved. 519304Speter * 619304Speter * Permission is hereby granted, free of charge, to any person obtaining a 719304Speter * copy of this software and associated documentation files (the "Software"), 819304Speter * to deal in the Software without restriction, including without limitation 919304Speter * the rights to use, copy, modify, merge, publish, distribute, sublicense, 1019304Speter * and/or sell copies of the Software, and to permit persons to whom the 1119304Speter * Software is furnished to do so, subject to the following conditions: 1219304Speter * 1319304Speter * The above copyright notice and this permission notice (including the next 1419304Speter * paragraph) shall be included in all copies or substantial portions of the 1519304Speter * Software. 16254225Speter * 1719304Speter * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1819304Speter * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19254225Speter * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 2019304Speter * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 2119304Speter * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 2219304Speter * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 2319304Speter * OTHER DEALINGS IN THE SOFTWARE. 2419304Speter * 2519304Speter * Authors: 2619304Speter * Rickard E. (Rik) Faith <faith@valinux.com> 2719304Speter * Gareth Hughes <gareth@valinux.com> 2819304Speter * 2919304Speter */ 3019304Speter 3119304Speter#include <sys/cdefs.h> 3219304Speter__FBSDID("$FreeBSD: head/sys/dev/drm2/drm_drv.c 242467 2012-11-02 05:26:33Z glebius $"); 3319304Speter 3419304Speter/** @file drm_drv.c 3519304Speter * The catch-all file for DRM device support, including module setup/teardown, 3619304Speter * open/close, and ioctl dispatch. 3719304Speter */ 3819304Speter 3919304Speter#include <sys/limits.h> 4019304Speter#include <sys/sysent.h> 4119304Speter#include <dev/drm2/drmP.h> 42254225Speter#include <dev/drm2/drm.h> 4319304Speter#include <dev/drm2/drm_sarea.h> 44254225Speter#include <dev/drm2/drm_mode.h> 45254225Speter 4619304Speter#ifdef DRM_DEBUG_DEFAULT_ON 4719304Speterint drm_debug_flag = (DRM_DEBUGBITS_DEBUG | DRM_DEBUGBITS_KMS | 4819304Speter DRM_DEBUGBITS_FAILED_IOCTL); 4919304Speter#else 5019304Speterint drm_debug_flag = 0; 5119304Speter#endif 5219304Speterint drm_notyet_flag = 0; 5319304Speter 5419304Speterunsigned int drm_vblank_offdelay = 5000; /* Default to 5000 msecs. */ 5519304Speterunsigned int drm_timestamp_precision = 20; /* Default to 20 usecs. */ 56254225Speter 5719304Speterstatic int drm_load(struct drm_device *dev); 5819304Speterstatic void drm_unload(struct drm_device *dev); 59254225Speterstatic drm_pci_id_list_t *drm_find_description(int vendor, int device, 6019304Speter drm_pci_id_list_t *idlist); 6119304Speter 6219304Speterstatic int 6319304Speterdrm_modevent(module_t mod, int type, void *data) 64254225Speter{ 65254225Speter 6619304Speter switch (type) { 6719304Speter case MOD_LOAD: 6819304Speter TUNABLE_INT_FETCH("drm.debug", &drm_debug_flag); 6919304Speter TUNABLE_INT_FETCH("drm.notyet", &drm_notyet_flag); 7019304Speter break; 7119304Speter } 7219304Speter return (0); 7319304Speter} 7419304Speter 7519304Speterstatic moduledata_t drm_mod = { 7619304Speter "drmn", 7719304Speter drm_modevent, 7819304Speter 0 7919304Speter}; 8019304SpeterDECLARE_MODULE(drmn, drm_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST); 8119304SpeterMODULE_VERSION(drmn, 1); 8219304SpeterMODULE_DEPEND(drmn, agp, 1, 1, 1); 8319304SpeterMODULE_DEPEND(drmn, pci, 1, 1, 1); 8419304SpeterMODULE_DEPEND(drmn, mem, 1, 1, 1); 8519304SpeterMODULE_DEPEND(drmn, iicbus, 1, 1, 1); 8619304Speter 8719304Speterstatic drm_ioctl_desc_t drm_ioctls[256] = { 8819304Speter DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, 0), 8919304Speter DRM_IOCTL_DEF(DRM_IOCTL_GET_UNIQUE, drm_getunique, 0), 9019304Speter DRM_IOCTL_DEF(DRM_IOCTL_GET_MAGIC, drm_getmagic, 0), 9119304Speter DRM_IOCTL_DEF(DRM_IOCTL_IRQ_BUSID, drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY), 92254225Speter DRM_IOCTL_DEF(DRM_IOCTL_GET_MAP, drm_getmap, 0), 9319304Speter DRM_IOCTL_DEF(DRM_IOCTL_GET_CLIENT, drm_getclient, 0), 9419304Speter DRM_IOCTL_DEF(DRM_IOCTL_GET_STATS, drm_getstats, 0), 95254225Speter DRM_IOCTL_DEF(DRM_IOCTL_GET_CAP, drm_getcap, DRM_UNLOCKED), 9619304Speter DRM_IOCTL_DEF(DRM_IOCTL_SET_VERSION, drm_setversion, DRM_MASTER|DRM_ROOT_ONLY), 9719304Speter 9819304Speter DRM_IOCTL_DEF(DRM_IOCTL_SET_UNIQUE, drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 9919304Speter DRM_IOCTL_DEF(DRM_IOCTL_BLOCK, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 10019304Speter DRM_IOCTL_DEF(DRM_IOCTL_UNBLOCK, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 10119304Speter DRM_IOCTL_DEF(DRM_IOCTL_AUTH_MAGIC, drm_authmagic, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 10219304Speter 10319304Speter DRM_IOCTL_DEF(DRM_IOCTL_ADD_MAP, drm_addmap_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 104254225Speter DRM_IOCTL_DEF(DRM_IOCTL_RM_MAP, drm_rmmap_ioctl, DRM_AUTH), 105254225Speter 10619304Speter DRM_IOCTL_DEF(DRM_IOCTL_SET_SAREA_CTX, drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 10719304Speter DRM_IOCTL_DEF(DRM_IOCTL_GET_SAREA_CTX, drm_getsareactx, DRM_AUTH), 10819304Speter 10919304Speter DRM_IOCTL_DEF(DRM_IOCTL_SET_MASTER, drm_setmaster_ioctl, DRM_ROOT_ONLY), 11019304Speter DRM_IOCTL_DEF(DRM_IOCTL_DROP_MASTER, drm_dropmaster_ioctl, DRM_ROOT_ONLY), 11119304Speter 112254225Speter DRM_IOCTL_DEF(DRM_IOCTL_ADD_CTX, drm_addctx, DRM_AUTH|DRM_ROOT_ONLY), 11319304Speter DRM_IOCTL_DEF(DRM_IOCTL_RM_CTX, drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 11419304Speter DRM_IOCTL_DEF(DRM_IOCTL_MOD_CTX, drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 11519304Speter DRM_IOCTL_DEF(DRM_IOCTL_GET_CTX, drm_getctx, DRM_AUTH), 11619304Speter DRM_IOCTL_DEF(DRM_IOCTL_SWITCH_CTX, drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 11719304Speter DRM_IOCTL_DEF(DRM_IOCTL_NEW_CTX, drm_newctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 11819304Speter DRM_IOCTL_DEF(DRM_IOCTL_RES_CTX, drm_resctx, DRM_AUTH), 11919304Speter 12019304Speter DRM_IOCTL_DEF(DRM_IOCTL_ADD_DRAW, drm_adddraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 12119304Speter DRM_IOCTL_DEF(DRM_IOCTL_RM_DRAW, drm_rmdraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 12219304Speter 12319304Speter DRM_IOCTL_DEF(DRM_IOCTL_LOCK, drm_lock, DRM_AUTH), 12419304Speter DRM_IOCTL_DEF(DRM_IOCTL_UNLOCK, drm_unlock, DRM_AUTH), 12519304Speter 12619304Speter DRM_IOCTL_DEF(DRM_IOCTL_FINISH, drm_noop, DRM_AUTH), 12719304Speter 12819304Speter DRM_IOCTL_DEF(DRM_IOCTL_ADD_BUFS, drm_addbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 129254225Speter DRM_IOCTL_DEF(DRM_IOCTL_MARK_BUFS, drm_markbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 130254225Speter DRM_IOCTL_DEF(DRM_IOCTL_INFO_BUFS, drm_infobufs, DRM_AUTH), 131254225Speter DRM_IOCTL_DEF(DRM_IOCTL_MAP_BUFS, drm_mapbufs, DRM_AUTH), 13219304Speter DRM_IOCTL_DEF(DRM_IOCTL_FREE_BUFS, drm_freebufs, DRM_AUTH), 133254225Speter DRM_IOCTL_DEF(DRM_IOCTL_DMA, drm_dma, DRM_AUTH), 13419304Speter 13519304Speter DRM_IOCTL_DEF(DRM_IOCTL_CONTROL, drm_control, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 13619304Speter 13719304Speter DRM_IOCTL_DEF(DRM_IOCTL_AGP_ACQUIRE, drm_agp_acquire_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 13819304Speter DRM_IOCTL_DEF(DRM_IOCTL_AGP_RELEASE, drm_agp_release_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 13919304Speter DRM_IOCTL_DEF(DRM_IOCTL_AGP_ENABLE, drm_agp_enable_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 14019304Speter DRM_IOCTL_DEF(DRM_IOCTL_AGP_INFO, drm_agp_info_ioctl, DRM_AUTH), 14119304Speter DRM_IOCTL_DEF(DRM_IOCTL_AGP_ALLOC, drm_agp_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 14219304Speter DRM_IOCTL_DEF(DRM_IOCTL_AGP_FREE, drm_agp_free_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 143254225Speter DRM_IOCTL_DEF(DRM_IOCTL_AGP_BIND, drm_agp_bind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 14419304Speter DRM_IOCTL_DEF(DRM_IOCTL_AGP_UNBIND, drm_agp_unbind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 14519304Speter 14619304Speter DRM_IOCTL_DEF(DRM_IOCTL_SG_ALLOC, drm_sg_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 14719304Speter DRM_IOCTL_DEF(DRM_IOCTL_SG_FREE, drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 148254225Speter DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, DRM_UNLOCKED), 149254225Speter DRM_IOCTL_DEF(DRM_IOCTL_MODESET_CTL, drm_modeset_ctl, 0), 15019304Speter DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW, drm_update_draw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 15119304Speter 152254225Speter DRM_IOCTL_DEF(DRM_IOCTL_GEM_CLOSE, drm_gem_close_ioctl, DRM_UNLOCKED), 15319304Speter DRM_IOCTL_DEF(DRM_IOCTL_GEM_FLINK, drm_gem_flink_ioctl, DRM_AUTH|DRM_UNLOCKED), 15419304Speter DRM_IOCTL_DEF(DRM_IOCTL_GEM_OPEN, drm_gem_open_ioctl, DRM_AUTH|DRM_UNLOCKED), 15519304Speter 156254225Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETRESOURCES, drm_mode_getresources, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 15719304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPLANERESOURCES, drm_mode_getplane_res, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 15819304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCRTC, drm_mode_getcrtc, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 15919304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETCRTC, drm_mode_setcrtc, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 16019304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPLANE, drm_mode_getplane, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 16119304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPLANE, drm_mode_setplane, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 16219304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_CURSOR, drm_mode_cursor_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 16319304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETGAMMA, drm_mode_gamma_get_ioctl, DRM_MASTER|DRM_UNLOCKED), 16419304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETGAMMA, drm_mode_gamma_set_ioctl, DRM_MASTER|DRM_UNLOCKED), 16519304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETENCODER, drm_mode_getencoder, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 16619304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCONNECTOR, drm_mode_getconnector, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 16719304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_ATTACHMODE, drm_mode_attachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 168254225Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_DETACHMODE, drm_mode_detachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 169254225Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPERTY, drm_mode_getproperty_ioctl, DRM_MASTER | DRM_CONTROL_ALLOW|DRM_UNLOCKED), 170254225Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPROPERTY, drm_mode_connector_property_set_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 171254225Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPBLOB, drm_mode_getblob_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 172254225Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 17319304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 17419304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB2, drm_mode_addfb2, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 17519304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 17619304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_PAGE_FLIP, drm_mode_page_flip_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 17719304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_DIRTYFB, drm_mode_dirtyfb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 17819304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATE_DUMB, drm_mode_create_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 17919304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_MAP_DUMB, drm_mode_mmap_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 18019304Speter DRM_IOCTL_DEF(DRM_IOCTL_MODE_DESTROY_DUMB, drm_mode_destroy_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 18119304Speter}; 18219304Speter 183254225Speterstatic struct cdevsw drm_cdevsw = { 18419304Speter .d_version = D_VERSION, 18519304Speter .d_open = drm_open, 18619304Speter .d_read = drm_read, 18719304Speter .d_ioctl = drm_ioctl, 188254225Speter .d_poll = drm_poll, 189254225Speter .d_mmap = drm_mmap, 19019304Speter .d_mmap_single = drm_gem_mmap_single, 19119304Speter .d_name = "drm", 192254225Speter .d_flags = D_TRACKCLOSE 19319304Speter}; 19419304Speter 19519304Speterstatic int drm_msi = 1; /* Enable by default. */ 196254225SpeterTUNABLE_INT("hw.drm.msi", &drm_msi); 19719304SpeterSYSCTL_NODE(_hw, OID_AUTO, drm, CTLFLAG_RW, NULL, "DRM device"); 19819304SpeterSYSCTL_INT(_hw_drm, OID_AUTO, msi, CTLFLAG_RDTUN, &drm_msi, 1, 19919304Speter "Enable MSI interrupts for drm devices"); 20019304Speter 20119304Speterstatic struct drm_msi_blacklist_entry drm_msi_blacklist[] = { 20219304Speter {0x8086, 0x2772}, /* Intel i945G */ \ 20319304Speter {0x8086, 0x27A2}, /* Intel i945GM */ \ 20419304Speter {0x8086, 0x27AE}, /* Intel i945GME */ \ 20519304Speter {0, 0} 20619304Speter}; 20719304Speter 208254225Speterstatic int drm_msi_is_blacklisted(int vendor, int device) 209254225Speter{ 210254225Speter int i = 0; 211254225Speter 212254225Speter for (i = 0; drm_msi_blacklist[i].vendor != 0; i++) { 21319304Speter if ((drm_msi_blacklist[i].vendor == vendor) && 21419304Speter (drm_msi_blacklist[i].device == device)) { 21519304Speter return 1; 21619304Speter } 21719304Speter } 21819304Speter 21919304Speter return 0; 22019304Speter} 22119304Speter 22219304Speterint drm_probe(device_t kdev, drm_pci_id_list_t *idlist) 223254225Speter{ 22419304Speter drm_pci_id_list_t *id_entry; 22519304Speter int vendor, device; 22619304Speter 22719304Speter vendor = pci_get_vendor(kdev); 22819304Speter device = pci_get_device(kdev); 22919304Speter 23019304Speter if (pci_get_class(kdev) != PCIC_DISPLAY 23119304Speter || pci_get_subclass(kdev) != PCIS_DISPLAY_VGA) 23219304Speter return ENXIO; 23319304Speter 23419304Speter id_entry = drm_find_description(vendor, device, idlist); 23519304Speter if (id_entry != NULL) { 23619304Speter if (!device_get_desc(kdev)) { 23719304Speter DRM_DEBUG("desc : %s\n", device_get_desc(kdev)); 23819304Speter device_set_desc(kdev, id_entry->name); 23919304Speter } 24019304Speter return 0; 24119304Speter } 24219304Speter 24319304Speter return ENXIO; 24419304Speter} 24519304Speter 24619304Speterint drm_attach(device_t kdev, drm_pci_id_list_t *idlist) 24719304Speter{ 24819304Speter struct drm_device *dev; 24919304Speter drm_pci_id_list_t *id_entry; 25019304Speter int error, msicount; 25119304Speter 25219304Speter dev = device_get_softc(kdev); 25319304Speter 25419304Speter dev->device = kdev; 25519304Speter 25619304Speter dev->pci_domain = pci_get_domain(dev->device); 257254225Speter dev->pci_bus = pci_get_bus(dev->device); 25819304Speter dev->pci_slot = pci_get_slot(dev->device); 25919304Speter dev->pci_func = pci_get_function(dev->device); 26019304Speter 26119304Speter dev->pci_vendor = pci_get_vendor(dev->device); 26219304Speter dev->pci_device = pci_get_device(dev->device); 26319304Speter 26419304Speter if (drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) { 26519304Speter if (drm_msi && 26619304Speter !drm_msi_is_blacklisted(dev->pci_vendor, dev->pci_device)) { 26719304Speter msicount = pci_msi_count(dev->device); 26819304Speter DRM_DEBUG("MSI count = %d\n", msicount); 26919304Speter if (msicount > 1) 27019304Speter msicount = 1; 27119304Speter 27219304Speter if (pci_alloc_msi(dev->device, &msicount) == 0) { 27319304Speter DRM_INFO("MSI enabled %d message(s)\n", 27419304Speter msicount); 27519304Speter dev->msi_enabled = 1; 27619304Speter dev->irqrid = 1; 27719304Speter } 27819304Speter } 27919304Speter 28019304Speter dev->irqr = bus_alloc_resource_any(dev->device, SYS_RES_IRQ, 28119304Speter &dev->irqrid, RF_SHAREABLE); 28219304Speter if (!dev->irqr) { 28319304Speter return (ENOENT); 28419304Speter } 28519304Speter 28619304Speter dev->irq = (int) rman_get_start(dev->irqr); 28719304Speter } 28819304Speter 28919304Speter mtx_init(&dev->dev_lock, "drmdev", NULL, MTX_DEF); 29019304Speter mtx_init(&dev->irq_lock, "drmirq", NULL, MTX_DEF); 29119304Speter mtx_init(&dev->vbl_lock, "drmvbl", NULL, MTX_DEF); 29219304Speter mtx_init(&dev->drw_lock, "drmdrw", NULL, MTX_DEF); 29319304Speter mtx_init(&dev->event_lock, "drmev", NULL, MTX_DEF); 29419304Speter sx_init(&dev->dev_struct_lock, "drmslk"); 29519304Speter 29619304Speter id_entry = drm_find_description(dev->pci_vendor, 29719304Speter dev->pci_device, idlist); 29819304Speter dev->id_entry = id_entry; 29919304Speter 30019304Speter error = drm_load(dev); 30119304Speter if (error == 0) 30219304Speter error = drm_create_cdevs(kdev); 30319304Speter return (error); 30419304Speter} 30519304Speter 30619304Speterint 30719304Speterdrm_create_cdevs(device_t kdev) 30819304Speter{ 30919304Speter struct drm_device *dev; 31019304Speter int error, unit; 311254225Speter 31219304Speter unit = device_get_unit(kdev); 31319304Speter dev = device_get_softc(kdev); 31419304Speter 31519304Speter error = make_dev_p(MAKEDEV_WAITOK | MAKEDEV_CHECKNAME, &dev->devnode, 31619304Speter &drm_cdevsw, 0, DRM_DEV_UID, DRM_DEV_GID, 31719304Speter DRM_DEV_MODE, "dri/card%d", unit); 318254225Speter if (error == 0) 31919304Speter dev->devnode->si_drv1 = dev; 32019304Speter return (error); 32119304Speter} 322254225Speter 32319304Speterint drm_detach(device_t kdev) 32419304Speter{ 32519304Speter struct drm_device *dev; 32619304Speter 32719304Speter dev = device_get_softc(kdev); 32819304Speter drm_unload(dev); 32919304Speter if (dev->irqr) { 330254225Speter bus_release_resource(dev->device, SYS_RES_IRQ, dev->irqrid, 33119304Speter dev->irqr); 33219304Speter if (dev->msi_enabled) { 333254225Speter pci_release_msi(dev->device); 334254225Speter DRM_INFO("MSI released\n"); 33519304Speter } 33619304Speter } 33719304Speter return (0); 33819304Speter} 33919304Speter 34019304Speter#ifndef DRM_DEV_NAME 34119304Speter#define DRM_DEV_NAME "drm" 342254225Speter#endif 343254225Speter 344254225Speterdevclass_t drm_devclass; 34519304Speter 34619304Speterdrm_pci_id_list_t *drm_find_description(int vendor, int device, 34719304Speter drm_pci_id_list_t *idlist) 34819304Speter{ 34919304Speter int i = 0; 35019304Speter 35119304Speter for (i = 0; idlist[i].vendor != 0; i++) { 35219304Speter if ((idlist[i].vendor == vendor) && 35319304Speter ((idlist[i].device == device) || 35419304Speter (idlist[i].device == 0))) { 355254225Speter return &idlist[i]; 356254225Speter } 35719304Speter } 358254225Speter return NULL; 35919304Speter} 36019304Speter 36119304Speterstatic int drm_firstopen(struct drm_device *dev) 36219304Speter{ 36319304Speter drm_local_map_t *map; 36419304Speter int i; 36519304Speter 36619304Speter DRM_LOCK_ASSERT(dev); 36719304Speter 368254225Speter /* prebuild the SAREA */ 36919304Speter i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM, 37019304Speter _DRM_CONTAINS_LOCK, &map); 37119304Speter if (i != 0) 37219304Speter return i; 373254225Speter 37419304Speter if (dev->driver->firstopen) 37519304Speter dev->driver->firstopen(dev); 37619304Speter 37719304Speter dev->buf_use = 0; 37819304Speter 37919304Speter if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) { 38019304Speter i = drm_dma_setup(dev); 38119304Speter if (i != 0) 38219304Speter return i; 38319304Speter } 38419304Speter 38519304Speter for (i = 0; i < DRM_HASH_SIZE; i++) { 38619304Speter dev->magiclist[i].head = NULL; 38719304Speter dev->magiclist[i].tail = NULL; 38819304Speter } 38919304Speter 390254225Speter dev->lock.lock_queue = 0; 39119304Speter if (!drm_core_check_feature(dev, DRIVER_MODESET)) 39219304Speter dev->irq_enabled = 0; 39319304Speter dev->context_flag = 0; 39419304Speter dev->last_context = 0; 39519304Speter dev->if_version = 0; 39619304Speter 397254225Speter dev->buf_sigio = NULL; 39819304Speter 39919304Speter DRM_DEBUG("\n"); 40019304Speter 40119304Speter return 0; 40219304Speter} 403254225Speter 404254225Speterstatic int drm_lastclose(struct drm_device *dev) 40519304Speter{ 40619304Speter drm_magic_entry_t *pt, *next; 40719304Speter drm_local_map_t *map, *mapsave; 40819304Speter int i; 40919304Speter 41019304Speter DRM_LOCK_ASSERT(dev); 41119304Speter 412254225Speter DRM_DEBUG("\n"); 41319304Speter 41419304Speter if (dev->driver->lastclose != NULL) 41519304Speter dev->driver->lastclose(dev); 41619304Speter 41719304Speter if (!drm_core_check_feature(dev, DRIVER_MODESET) && dev->irq_enabled) 41819304Speter drm_irq_uninstall(dev); 41919304Speter 42019304Speter if (dev->unique) { 42119304Speter free(dev->unique, DRM_MEM_DRIVER); 42219304Speter dev->unique = NULL; 42319304Speter dev->unique_len = 0; 424254225Speter } 42519304Speter /* Clear pid list */ 42619304Speter for (i = 0; i < DRM_HASH_SIZE; i++) { 42719304Speter for (pt = dev->magiclist[i].head; pt; pt = next) { 42819304Speter next = pt->next; 42919304Speter free(pt, DRM_MEM_MAGIC); 43019304Speter } 43119304Speter dev->magiclist[i].head = dev->magiclist[i].tail = NULL; 43219304Speter } 43319304Speter 43419304Speter DRM_UNLOCK(dev); 43519304Speter drm_drawable_free_all(dev); 43619304Speter DRM_LOCK(dev); 43719304Speter 43819304Speter /* Clear AGP information */ 43919304Speter if (dev->agp) { 44019304Speter drm_agp_mem_t *entry; 44119304Speter drm_agp_mem_t *nexte; 44219304Speter 443254225Speter /* Remove AGP resources, but leave dev->agp intact until 44419304Speter * drm_unload is called. 44519304Speter */ 44619304Speter for (entry = dev->agp->memory; entry; entry = nexte) { 44719304Speter nexte = entry->next; 44819304Speter if (entry->bound) 44919304Speter drm_agp_unbind_memory(entry->handle); 45019304Speter drm_agp_free_memory(entry->handle); 45119304Speter free(entry, DRM_MEM_AGPLISTS); 452254225Speter } 453254225Speter dev->agp->memory = NULL; 45419304Speter 45519304Speter if (dev->agp->acquired) 45619304Speter drm_agp_release(dev); 45719304Speter 45819304Speter dev->agp->acquired = 0; 45919304Speter dev->agp->enabled = 0; 46019304Speter } 46119304Speter if (dev->sg != NULL) { 46219304Speter drm_sg_cleanup(dev->sg); 46319304Speter dev->sg = NULL; 46419304Speter } 465254225Speter 46619304Speter TAILQ_FOREACH_SAFE(map, &dev->maplist, link, mapsave) { 46719304Speter if (!(map->flags & _DRM_DRIVER)) 46819304Speter drm_rmmap(dev, map); 46919304Speter } 47019304Speter 47119304Speter drm_dma_takedown(dev); 472254225Speter if (dev->lock.hw_lock) { 47319304Speter dev->lock.hw_lock = NULL; /* SHM removed */ 47419304Speter dev->lock.file_priv = NULL; 475254225Speter DRM_WAKEUP_INT((void *)&dev->lock.lock_queue); 47619304Speter } 47719304Speter 47819304Speter return 0; 47919304Speter} 48019304Speter 48119304Speterstatic int drm_load(struct drm_device *dev) 48219304Speter{ 48319304Speter int i, retcode; 48419304Speter 48519304Speter DRM_DEBUG("\n"); 48619304Speter 48719304Speter TAILQ_INIT(&dev->maplist); 48819304Speter dev->map_unrhdr = new_unrhdr(1, ((1 << DRM_MAP_HANDLE_BITS) - 1), NULL); 48919304Speter if (dev->map_unrhdr == NULL) { 49019304Speter DRM_ERROR("Couldn't allocate map number allocator\n"); 49119304Speter return EINVAL; 49219304Speter } 49319304Speter 49419304Speter 49519304Speter drm_mem_init(); 49619304Speter drm_sysctl_init(dev); 49719304Speter TAILQ_INIT(&dev->files); 49819304Speter 49919304Speter dev->counters = 6; 50019304Speter dev->types[0] = _DRM_STAT_LOCK; 50119304Speter dev->types[1] = _DRM_STAT_OPENS; 50219304Speter dev->types[2] = _DRM_STAT_CLOSES; 503254225Speter dev->types[3] = _DRM_STAT_IOCTLS; 504254225Speter dev->types[4] = _DRM_STAT_LOCKS; 505254225Speter dev->types[5] = _DRM_STAT_UNLOCKS; 506254225Speter 50719304Speter for (i = 0; i < DRM_ARRAY_SIZE(dev->counts); i++) 50819304Speter atomic_set(&dev->counts[i], 0); 50919304Speter 51019304Speter INIT_LIST_HEAD(&dev->vblank_event_list); 51119304Speter 51219304Speter if (drm_core_has_AGP(dev)) { 51319304Speter if (drm_device_is_agp(dev)) 51419304Speter dev->agp = drm_agp_init(); 51519304Speter if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) && 51619304Speter dev->agp == NULL) { 51719304Speter DRM_ERROR("Card isn't AGP, or couldn't initialize " 51819304Speter "AGP.\n"); 51919304Speter retcode = ENOMEM; 52019304Speter goto error; 521254225Speter } 52219304Speter if (dev->agp != NULL && dev->agp->info.ai_aperture_base != 0) { 52319304Speter if (drm_mtrr_add(dev->agp->info.ai_aperture_base, 52419304Speter dev->agp->info.ai_aperture_size, DRM_MTRR_WC) == 0) 52519304Speter dev->agp->mtrr = 1; 52619304Speter } 52719304Speter } 52819304Speter 52919304Speter retcode = drm_ctxbitmap_init(dev); 53019304Speter if (retcode != 0) { 53119304Speter DRM_ERROR("Cannot allocate memory for context bitmap.\n"); 53219304Speter goto error; 53319304Speter } 53419304Speter 53519304Speter dev->drw_unrhdr = new_unrhdr(1, INT_MAX, NULL); 53619304Speter if (dev->drw_unrhdr == NULL) { 53719304Speter DRM_ERROR("Couldn't allocate drawable number allocator\n"); 53819304Speter retcode = ENOMEM; 53919304Speter goto error; 54019304Speter } 54119304Speter 542254225Speter if (dev->driver->driver_features & DRIVER_GEM) { 54319304Speter retcode = drm_gem_init(dev); 54419304Speter if (retcode != 0) { 54519304Speter DRM_ERROR("Cannot initialize graphics execution " 54619304Speter "manager (GEM)\n"); 54719304Speter goto error1; 54819304Speter } 54919304Speter } 55019304Speter 55119304Speter if (dev->driver->load != NULL) { 55219304Speter DRM_LOCK(dev); 553254225Speter /* Shared code returns -errno. */ 55419304Speter retcode = -dev->driver->load(dev, 55519304Speter dev->id_entry->driver_private); 556254225Speter if (pci_enable_busmaster(dev->device)) 55719304Speter DRM_ERROR("Request to enable bus-master failed.\n"); 55819304Speter DRM_UNLOCK(dev); 55919304Speter if (retcode != 0) 56019304Speter goto error; 56119304Speter } 562254225Speter 56319304Speter DRM_INFO("Initialized %s %d.%d.%d %s\n", 564254225Speter dev->driver->name, 56519304Speter dev->driver->major, 56619304Speter dev->driver->minor, 56719304Speter dev->driver->patchlevel, 568254225Speter dev->driver->date); 56919304Speter 57019304Speter return 0; 571254225Speter 57219304Spetererror1: 57319304Speter delete_unrhdr(dev->drw_unrhdr); 57419304Spetererror: 57519304Speter drm_sysctl_cleanup(dev); 576254225Speter DRM_LOCK(dev); 577254225Speter drm_lastclose(dev); 57819304Speter DRM_UNLOCK(dev); 57919304Speter if (dev->devnode != NULL) 58019304Speter destroy_dev(dev->devnode); 58119304Speter 58219304Speter mtx_destroy(&dev->drw_lock); 58319304Speter mtx_destroy(&dev->vbl_lock); 58419304Speter mtx_destroy(&dev->irq_lock); 58519304Speter mtx_destroy(&dev->dev_lock); 58619304Speter mtx_destroy(&dev->event_lock); 58719304Speter sx_destroy(&dev->dev_struct_lock); 58819304Speter 589254225Speter return retcode; 59019304Speter} 59119304Speter 59219304Speterstatic void drm_unload(struct drm_device *dev) 59319304Speter{ 59419304Speter int i; 59519304Speter 59619304Speter DRM_DEBUG("\n"); 59719304Speter 59819304Speter drm_sysctl_cleanup(dev); 59919304Speter if (dev->devnode != NULL) 60019304Speter destroy_dev(dev->devnode); 60119304Speter 60219304Speter drm_ctxbitmap_cleanup(dev); 60319304Speter 60419304Speter if (dev->driver->driver_features & DRIVER_GEM) 60519304Speter drm_gem_destroy(dev); 60619304Speter 60719304Speter if (dev->agp && dev->agp->mtrr) { 60819304Speter int __unused retcode; 609254225Speter 61019304Speter retcode = drm_mtrr_del(0, dev->agp->info.ai_aperture_base, 61119304Speter dev->agp->info.ai_aperture_size, DRM_MTRR_WC); 61219304Speter DRM_DEBUG("mtrr_del = %d", retcode); 61319304Speter } 61419304Speter 61519304Speter drm_vblank_cleanup(dev); 61619304Speter 61719304Speter DRM_LOCK(dev); 61819304Speter drm_lastclose(dev); 61919304Speter DRM_UNLOCK(dev); 620254225Speter 62119304Speter /* Clean up PCI resources allocated by drm_bufs.c. We're not really 62219304Speter * worried about resource consumption while the DRM is inactive (between 62319304Speter * lastclose and firstopen or unload) because these aren't actually 62419304Speter * taking up KVA, just keeping the PCI resource allocated. 62519304Speter */ 62619304Speter for (i = 0; i < DRM_MAX_PCI_RESOURCE; i++) { 62719304Speter if (dev->pcir[i] == NULL) 62819304Speter continue; 62919304Speter bus_release_resource(dev->device, SYS_RES_MEMORY, 63019304Speter dev->pcirid[i], dev->pcir[i]); 63119304Speter dev->pcir[i] = NULL; 63219304Speter } 63319304Speter 634254225Speter if (dev->agp) { 63519304Speter free(dev->agp, DRM_MEM_AGPLISTS); 63619304Speter dev->agp = NULL; 63719304Speter } 63819304Speter 63919304Speter if (dev->driver->unload != NULL) { 64019304Speter DRM_LOCK(dev); 64119304Speter dev->driver->unload(dev); 64219304Speter DRM_UNLOCK(dev); 64319304Speter } 644254225Speter 645254225Speter delete_unrhdr(dev->drw_unrhdr); 64619304Speter delete_unrhdr(dev->map_unrhdr); 64719304Speter 64819304Speter drm_mem_uninit(); 64919304Speter 650254225Speter if (pci_disable_busmaster(dev->device)) 65119304Speter DRM_ERROR("Request to disable bus-master failed.\n"); 652254225Speter 653254225Speter mtx_destroy(&dev->drw_lock); 654254225Speter mtx_destroy(&dev->vbl_lock); 65519304Speter mtx_destroy(&dev->irq_lock); 65619304Speter mtx_destroy(&dev->dev_lock); 65719304Speter mtx_destroy(&dev->event_lock); 65819304Speter sx_destroy(&dev->dev_struct_lock); 65919304Speter} 66019304Speter 66119304Speterint drm_version(struct drm_device *dev, void *data, struct drm_file *file_priv) 66219304Speter{ 66319304Speter struct drm_version *version = data; 66419304Speter int len; 665254225Speter 66619304Speter#define DRM_COPY( name, value ) \ 66719304Speter len = strlen( value ); \ 66819304Speter if ( len > name##_len ) len = name##_len; \ 66919304Speter name##_len = strlen( value ); \ 670254225Speter if ( len && name ) { \ 67119304Speter if ( DRM_COPY_TO_USER( name, value, len ) ) \ 67219304Speter return EFAULT; \ 67319304Speter } 67419304Speter 67519304Speter version->version_major = dev->driver->major; 67619304Speter version->version_minor = dev->driver->minor; 67719304Speter version->version_patchlevel = dev->driver->patchlevel; 67819304Speter 67919304Speter DRM_COPY(version->name, dev->driver->name); 68019304Speter DRM_COPY(version->date, dev->driver->date); 68119304Speter DRM_COPY(version->desc, dev->driver->desc); 68219304Speter 683254225Speter return 0; 68419304Speter} 68519304Speter 68619304Speterint 68719304Speterdrm_open(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p) 68819304Speter{ 689254225Speter struct drm_device *dev; 690254225Speter int retcode; 69119304Speter 69219304Speter dev = kdev->si_drv1; 69319304Speter if (dev == NULL) 69419304Speter return (ENXIO); 69519304Speter 69619304Speter DRM_DEBUG("open_count = %d\n", dev->open_count); 69719304Speter 698254225Speter retcode = drm_open_helper(kdev, flags, fmt, p, dev); 699254225Speter 70019304Speter if (retcode == 0) { 70119304Speter atomic_inc(&dev->counts[_DRM_STAT_OPENS]); 70219304Speter DRM_LOCK(dev); 70319304Speter mtx_lock(&Giant); 70419304Speter device_busy(dev->device); 705254225Speter mtx_unlock(&Giant); 706254225Speter if (!dev->open_count++) 707254225Speter retcode = drm_firstopen(dev); 708254225Speter DRM_UNLOCK(dev); 709254225Speter } 710254225Speter 711254225Speter return (retcode); 712254225Speter} 713254225Speter 714254225Spetervoid drm_close(void *data) 715254225Speter{ 716254225Speter struct drm_file *file_priv = data; 717254225Speter struct drm_device *dev = file_priv->dev; 718254225Speter int retcode = 0; 719254225Speter 720254225Speter DRM_DEBUG("open_count = %d\n", dev->open_count); 721254225Speter 722254225Speter DRM_LOCK(dev); 723254225Speter 724254225Speter if (dev->driver->preclose != NULL) 725254225Speter dev->driver->preclose(dev, file_priv); 726254225Speter 727254225Speter /* ======================================================== 728254225Speter * Begin inline drm_release 729254225Speter */ 730254225Speter 731254225Speter DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n", 732254225Speter DRM_CURRENTPID, (long)dev->device, dev->open_count); 733254225Speter 734254225Speter if (dev->driver->driver_features & DRIVER_GEM) 735254225Speter drm_gem_release(dev, file_priv); 736254225Speter 737254225Speter if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) 738254225Speter && dev->lock.file_priv == file_priv) { 739254225Speter DRM_DEBUG("Process %d dead, freeing lock for context %d\n", 740254225Speter DRM_CURRENTPID, 741254225Speter _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); 742254225Speter if (dev->driver->reclaim_buffers_locked != NULL) 743254225Speter dev->driver->reclaim_buffers_locked(dev, file_priv); 744254225Speter 745254225Speter drm_lock_free(&dev->lock, 746254225Speter _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); 747254225Speter 748254225Speter /* FIXME: may require heavy-handed reset of 749254225Speter hardware at this point, possibly 750254225Speter processed via a callback to the X 751254225Speter server. */ 752254225Speter } else if (dev->driver->reclaim_buffers_locked != NULL && 753254225Speter dev->lock.hw_lock != NULL) { 754254225Speter /* The lock is required to reclaim buffers */ 755254225Speter for (;;) { 756254225Speter if (!dev->lock.hw_lock) { 757254225Speter /* Device has been unregistered */ 758254225Speter retcode = EINTR; 759254225Speter break; 760254225Speter } 761254225Speter if (drm_lock_take(&dev->lock, DRM_KERNEL_CONTEXT)) { 762254225Speter dev->lock.file_priv = file_priv; 763254225Speter dev->lock.lock_time = jiffies; 764254225Speter atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); 765254225Speter break; /* Got lock */ 766254225Speter } 767254225Speter /* Contention */ 768254225Speter retcode = DRM_LOCK_SLEEP(dev, &dev->lock.lock_queue, 769254225Speter PCATCH, "drmlk2", 0); 770254225Speter if (retcode) 771254225Speter break; 772254225Speter } 773254225Speter if (retcode == 0) { 774254225Speter dev->driver->reclaim_buffers_locked(dev, file_priv); 775254225Speter drm_lock_free(&dev->lock, DRM_KERNEL_CONTEXT); 776254225Speter } 777254225Speter } 778254225Speter 779254225Speter if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) && 780254225Speter !dev->driver->reclaim_buffers_locked) 781254225Speter drm_reclaim_buffers(dev, file_priv); 782254225Speter 783254225Speter funsetown(&dev->buf_sigio); 784254225Speter seldrain(&file_priv->event_poll); 785254225Speter 786254225Speter if (dev->driver->postclose != NULL) 787254225Speter dev->driver->postclose(dev, file_priv); 788254225Speter TAILQ_REMOVE(&dev->files, file_priv, link); 789254225Speter free(file_priv, DRM_MEM_FILES); 790254225Speter 791254225Speter /* ======================================================== 792254225Speter * End inline drm_release 793254225Speter */ 794254225Speter 795254225Speter atomic_inc(&dev->counts[_DRM_STAT_CLOSES]); 796254225Speter mtx_lock(&Giant); 797254225Speter device_unbusy(dev->device); 798254225Speter mtx_unlock(&Giant); 799254225Speter if (--dev->open_count == 0) { 800254225Speter retcode = drm_lastclose(dev); 801254225Speter } 802254225Speter 803254225Speter DRM_UNLOCK(dev); 804254225Speter} 805254225Speter 806254225Speterextern drm_ioctl_desc_t drm_compat_ioctls[]; 807254225Speter 808254225Speter/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. 809254225Speter */ 810254225Speterint drm_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int flags, 811254225Speter DRM_STRUCTPROC *p) 812254225Speter{ 813254225Speter struct drm_device *dev = drm_get_device_from_kdev(kdev); 81419304Speter int retcode = 0; 81519304Speter drm_ioctl_desc_t *ioctl; 81619304Speter int (*func)(struct drm_device *dev, void *data, struct drm_file *file_priv); 81719304Speter int nr = DRM_IOCTL_NR(cmd); 81819304Speter int is_driver_ioctl = 0; 81919304Speter struct drm_file *file_priv; 820254225Speter 82119304Speter retcode = devfs_get_cdevpriv((void **)&file_priv); 82219304Speter if (retcode != 0) { 82319304Speter DRM_ERROR("can't find authenticator\n"); 82419304Speter return EINVAL; 82519304Speter } 82619304Speter 82719304Speter atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]); 82819304Speter ++file_priv->ioctl_count; 82919304Speter 83019304Speter DRM_DEBUG("pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n", 83119304Speter DRM_CURRENTPID, cmd, nr, (long)dev->device, 83219304Speter file_priv->authenticated); 83319304Speter 83419304Speter switch (cmd) { 83519304Speter case FIONBIO: 83619304Speter case FIOASYNC: 83719304Speter return 0; 83819304Speter 83919304Speter case FIOSETOWN: 84019304Speter return fsetown(*(int *)data, &dev->buf_sigio); 84119304Speter 84219304Speter case FIOGETOWN: 84319304Speter *(int *) data = fgetown(&dev->buf_sigio); 84419304Speter return 0; 845254225Speter } 84619304Speter 84719304Speter if (IOCGROUP(cmd) != DRM_IOCTL_BASE) { 84819304Speter DRM_DEBUG("Bad ioctl group 0x%x\n", (int)IOCGROUP(cmd)); 84919304Speter return EINVAL; 85019304Speter } 85119304Speter 85219304Speter#ifdef COMPAT_FREEBSD32 85319304Speter /* 854254225Speter * Called whenever a 32-bit process running under a 64-bit 85519304Speter * kernel performs an ioctl on /dev/drm. 85619304Speter */ 85719304Speter if (SV_CURPROC_FLAG(SV_ILP32) && drm_compat_ioctls[nr].func != NULL) 85819304Speter /* 859254225Speter * Assume that ioctls without an explicit compat 860254225Speter * routine will just work. This may not always be a 86119304Speter * good assumption, but it's better than always 86219304Speter * failing. 86319304Speter */ 86419304Speter ioctl = &drm_compat_ioctls[nr]; 86519304Speter else 86619304Speter#endif 86719304Speter ioctl = &drm_ioctls[nr]; 86819304Speter /* It's not a core DRM ioctl, try driver-specific. */ 86919304Speter if (ioctl->func == NULL && nr >= DRM_COMMAND_BASE) { 870254225Speter /* The array entries begin at DRM_COMMAND_BASE ioctl nr */ 87119304Speter nr -= DRM_COMMAND_BASE; 87219304Speter if (nr > dev->driver->max_ioctl) { 87319304Speter DRM_DEBUG("Bad driver ioctl number, 0x%x (of 0x%x)\n", 87419304Speter nr, dev->driver->max_ioctl); 87519304Speter return EINVAL; 87619304Speter } 87719304Speter#ifdef COMPAT_FREEBSD32 87819304Speter if (SV_CURPROC_FLAG(SV_ILP32) && 87919304Speter nr < *dev->driver->compat_ioctls_nr && 88019304Speter dev->driver->compat_ioctls[nr].func != NULL) 88119304Speter ioctl = &dev->driver->compat_ioctls[nr]; 88219304Speter else 88319304Speter#endif 88419304Speter ioctl = &dev->driver->ioctls[nr]; 88519304Speter is_driver_ioctl = 1; 88619304Speter } 887254225Speter func = ioctl->func; 88819304Speter 88919304Speter if (func == NULL) { 89019304Speter DRM_DEBUG("no function\n"); 89119304Speter return EINVAL; 89219304Speter } 89319304Speter 89419304Speter if (((ioctl->flags & DRM_ROOT_ONLY) && !DRM_SUSER(p)) || 895254225Speter ((ioctl->flags & DRM_AUTH) && !file_priv->authenticated) || 89619304Speter ((ioctl->flags & DRM_MASTER) && !file_priv->master)) 897254225Speter return EACCES; 89819304Speter 89919304Speter if (is_driver_ioctl) { 90019304Speter if ((ioctl->flags & DRM_UNLOCKED) == 0) 90119304Speter DRM_LOCK(dev); 90219304Speter /* shared code returns -errno */ 90319304Speter retcode = -func(dev, data, file_priv); 90419304Speter if ((ioctl->flags & DRM_UNLOCKED) == 0) 90519304Speter DRM_UNLOCK(dev); 90619304Speter } else { 90719304Speter retcode = func(dev, data, file_priv); 90819304Speter } 909254225Speter 91019304Speter if (retcode != 0) 91119304Speter DRM_DEBUG(" returning %d\n", retcode); 91219304Speter if (retcode != 0 && 913254225Speter (drm_debug_flag & DRM_DEBUGBITS_FAILED_IOCTL) != 0) { 914254225Speter printf( 91519304Speter"pid %d, cmd 0x%02lx, nr 0x%02x/%1d, dev 0x%lx, auth %d, res %d\n", 91619304Speter DRM_CURRENTPID, cmd, nr, is_driver_ioctl, (long)dev->device, 91719304Speter file_priv->authenticated, retcode); 91819304Speter } 91919304Speter 92019304Speter return retcode; 92119304Speter} 922254225Speter 923254225Speterdrm_local_map_t *drm_getsarea(struct drm_device *dev) 924254225Speter{ 92519304Speter drm_local_map_t *map; 92619304Speter 92719304Speter DRM_LOCK_ASSERT(dev); 92819304Speter TAILQ_FOREACH(map, &dev->maplist, link) { 92919304Speter if (map->type == _DRM_SHM && (map->flags & _DRM_CONTAINS_LOCK)) 93019304Speter return map; 93119304Speter } 93219304Speter 93319304Speter return NULL; 93419304Speter} 93519304Speter 93619304Speterint 937254225Speterdrm_add_busid_modesetting(struct drm_device *dev, struct sysctl_ctx_list *ctx, 938254225Speter struct sysctl_oid *top) 939254225Speter{ 940254225Speter struct sysctl_oid *oid; 94119304Speter 94219304Speter snprintf(dev->busid_str, sizeof(dev->busid_str), 94319304Speter "pci:%04x:%02x:%02x.%d", dev->pci_domain, dev->pci_bus, 94419304Speter dev->pci_slot, dev->pci_func); 94519304Speter oid = SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(top), OID_AUTO, "busid", 94619304Speter CTLFLAG_RD, dev->busid_str, 0, NULL); 94719304Speter if (oid == NULL) 948254225Speter return (ENOMEM); 94919304Speter dev->modesetting = (dev->driver->driver_features & DRIVER_MODESET) != 0; 95019304Speter oid = SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(top), OID_AUTO, 95119304Speter "modesetting", CTLFLAG_RD, &dev->modesetting, 0, NULL); 95219304Speter if (oid == NULL) 95319304Speter return (ENOMEM); 95419304Speter 95519304Speter return (0); 95619304Speter} 95719304Speter 95819304Speter#if DRM_LINUX 95919304Speter 96019304Speter#include <sys/sysproto.h> 96119304Speter 96219304SpeterMODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1); 96319304Speter 96419304Speter#define LINUX_IOCTL_DRM_MIN 0x6400 96519304Speter#define LINUX_IOCTL_DRM_MAX 0x64ff 96619304Speter 96719304Speterstatic linux_ioctl_function_t drm_linux_ioctl; 96819304Speterstatic struct linux_ioctl_handler drm_handler = {drm_linux_ioctl, 96919304Speter LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX}; 97019304Speter 97119304SpeterSYSINIT(drm_register, SI_SUB_KLD, SI_ORDER_MIDDLE, 97219304Speter linux_ioctl_register_handler, &drm_handler); 973254225SpeterSYSUNINIT(drm_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE, 97419304Speter linux_ioctl_unregister_handler, &drm_handler); 97519304Speter 97619304Speter/* The bits for in/out are switched on Linux */ 97719304Speter#define LINUX_IOC_IN IOC_OUT 97819304Speter#define LINUX_IOC_OUT IOC_IN 979254225Speter 980254225Speterstatic int 981254225Speterdrm_linux_ioctl(DRM_STRUCTPROC *p, struct linux_ioctl_args* args) 98219304Speter{ 98319304Speter int error; 98419304Speter int cmd = args->cmd; 98519304Speter 986254225Speter args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT); 987254225Speter if (cmd & LINUX_IOC_IN) 98819304Speter args->cmd |= IOC_IN; 989254225Speter if (cmd & LINUX_IOC_OUT) 99019304Speter args->cmd |= IOC_OUT; 991254225Speter 99219304Speter error = ioctl(p, (struct ioctl_args *)args); 99319304Speter 99419304Speter return error; 99519304Speter} 99619304Speter#endif /* DRM_LINUX */ 997254225Speter 998254225Speterbool 99919304Speterdmi_check_system(const struct dmi_system_id *sysid) 100019304Speter{ 100119304Speter 100219304Speter /* XXXKIB */ 100319304Speter return (false); 100419304Speter} 1005254225Speter 1006254225Speter