1450N/A/*
1450N/A * Copyright (c) 2006, 2008, Oracle and/or its affiliates. All rights reserved.
1450N/A */
1450N/A
1450N/A/*
1450N/A * drm_ioctl.h -- IOCTL processing for DRM -*- linux-c -*-
1450N/A * Created: Fri Jan 8 09:01:26 1999 by faith@valinux.com
1450N/A */
1450N/A/*
1450N/A * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
1450N/A * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
1450N/A * All Rights Reserved.
1450N/A *
1450N/A * Permission is hereby granted, free of charge, to any person obtaining a
1450N/A * copy of this software and associated documentation files (the "Software"),
1450N/A * to deal in the Software without restriction, including without limitation
1450N/A * the rights to use, copy, modify, merge, publish, distribute, sublicense,
1450N/A * and/or sell copies of the Software, and to permit persons to whom the
1450N/A * Software is furnished to do so, subject to the following conditions:
1450N/A *
1450N/A * The above copyright notice and this permission notice (including the next
1450N/A * paragraph) shall be included in all copies or substantial portions of the
1450N/A * Software.
1450N/A *
1450N/A * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
1450N/A * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
1450N/A * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
1450N/A * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
1450N/A * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
1450N/A * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
1450N/A * OTHER DEALINGS IN THE SOFTWARE.
1450N/A *
1450N/A * Authors:
1450N/A * Rickard E. (Rik) Faith <faith@valinux.com>
1450N/A * Gareth Hughes <gareth@valinux.com>
1450N/A *
1450N/A */
1450N/A
1450N/A#include "drmP.h"
1450N/A#include "drm_io32.h"
1450N/A
1450N/A/*
1450N/A * Beginning in revision 1.1 of the DRM interface, getunique will return
1450N/A * a unique in the form pci:oooo:bb:dd.f (o=domain, b=bus, d=device, f=function)
1450N/A * before setunique has been called. The format for the bus-specific part of
1450N/A * the unique is not defined for any other bus.
1450N/A */
1450N/A/*ARGSUSED*/
1450N/Aint
1450N/Adrm_getunique(DRM_IOCTL_ARGS)
1450N/A{
1450N/A DRM_DEVICE;
1450N/A drm_unique_t u1;
1450N/A
1450N/A#ifdef _MULTI_DATAMODEL
1450N/A if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
1450N/A drm_unique_32_t u32;
1450N/A
1450N/A DRM_COPYFROM_WITH_RETURN(&u32, (void *)data, sizeof (u32));
1450N/A u1.unique_len = u32.unique_len;
1450N/A u1.unique = (char __user *)(uintptr_t)u32.unique;
1450N/A } else
1450N/A#endif
1450N/A DRM_COPYFROM_WITH_RETURN(&u1, (void *)data, sizeof (u1));
1450N/A
1450N/A if (u1.unique_len >= dev->unique_len) {
1450N/A if (dev->unique_len == 0) {
1450N/A DRM_ERROR("drm_getunique: dev->unique_len = 0");
1450N/A return (EFAULT);
1450N/A }
1450N/A if (DRM_COPY_TO_USER(u1.unique, dev->unique, dev->unique_len))
1450N/A return (EFAULT);
1450N/A }
1450N/A u1.unique_len = dev->unique_len;
1450N/A
1450N/A#ifdef _MULTI_DATAMODEL
1450N/A if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
1450N/A drm_unique_32_t u32;
1450N/A
1450N/A u32.unique_len = (uint32_t)u1.unique_len;
1450N/A u32.unique = (caddr32_t)(uintptr_t)u1.unique;
1450N/A DRM_COPYTO_WITH_RETURN((void *)data, &u32, sizeof (u32));
1450N/A } else
1450N/A#endif
1450N/A DRM_COPYTO_WITH_RETURN((void *)data, &u1, sizeof (u1));
1450N/A
1450N/A return (0);
1450N/A}
1450N/A
1450N/A/*
1450N/A * Deprecated in DRM version 1.1, and will return EBUSY when setversion has
1450N/A * requested version 1.1 or greater.
1450N/A */
1450N/A/*ARGSUSED*/
1450N/Aint
1450N/Adrm_setunique(DRM_IOCTL_ARGS)
1450N/A{
1450N/A return (EINVAL);
1450N/A}
1450N/A
1450N/A
1450N/Astatic int
1450N/Adrm_set_busid(drm_device_t *dev)
1450N/A{
1450N/A DRM_LOCK();
1450N/A
1450N/A if (dev->unique != NULL) {
1450N/A DRM_UNLOCK();
1450N/A return (EBUSY);
1450N/A }
1450N/A
1450N/A dev->unique_len = 20;
1450N/A dev->unique = drm_alloc(dev->unique_len + 1, DRM_MEM_DRIVER);
1450N/A if (dev->unique == NULL) {
1450N/A DRM_UNLOCK();
1450N/A return (ENOMEM);
1450N/A }
1450N/A
1450N/A (void) snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%1x",
1450N/A dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func);
1450N/A
1450N/A DRM_UNLOCK();
1450N/A
1450N/A return (0);
1450N/A}
1450N/A
1450N/A/*ARGSUSED*/
1450N/Aint
1450N/Adrm_getmap(DRM_IOCTL_ARGS)
1450N/A{
1450N/A DRM_DEVICE;
1450N/A drm_map_t map;
1450N/A drm_local_map_t *mapinlist;
1450N/A int idx;
1450N/A int i = 0;
1450N/A
1450N/A#ifdef _MULTI_DATAMODEL
1450N/A if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
1450N/A drm_map_32_t map32;
1450N/A
1450N/A DRM_COPYFROM_WITH_RETURN(&map32, (void *)data, sizeof (map32));
1450N/A map.offset = map32.offset;
1450N/A map.size = map32.size;
1450N/A map.type = map32.type;
1450N/A map.flags = map32.flags;
1450N/A map.handle = map32.handle;
1450N/A map.mtrr = map32.mtrr;
1450N/A } else
1450N/A#endif
1450N/A DRM_COPYFROM_WITH_RETURN(&map, (void *)data, sizeof (map));
1450N/A
1450N/A idx = (int)map.offset;
1450N/A
1450N/A DRM_LOCK();
1450N/A if (idx < 0) {
1450N/A DRM_UNLOCK();
1450N/A return (EINVAL);
1450N/A }
1450N/A
1450N/A TAILQ_FOREACH(mapinlist, &dev->maplist, link) {
1450N/A if (i == idx) {
1450N/A map.offset = mapinlist->offset;
1450N/A map.size = mapinlist->size;
1450N/A map.type = mapinlist->type;
1450N/A map.flags = mapinlist->flags;
1450N/A map.handle = (unsigned long long)(uintptr_t)
1450N/A mapinlist->handle;
1450N/A map.mtrr = mapinlist->mtrr;
1450N/A break;
1450N/A }
1450N/A i++;
1450N/A }
1450N/A
1450N/A DRM_UNLOCK();
1450N/A
1450N/A if (mapinlist == NULL)
1450N/A return (EINVAL);
1450N/A
1450N/A#ifdef _MULTI_DATAMODEL
1450N/A if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
1450N/A drm_map_32_t map32;
1450N/A
1450N/A map32.offset = map.offset;
1450N/A map32.size = (uint32_t)map.size;
1450N/A map32.type = map.type;
1450N/A map32.flags = map.flags;
1450N/A map32.handle = (uintptr_t)map.handle;
1450N/A map32.mtrr = map.mtrr;
1450N/A DRM_COPYTO_WITH_RETURN((void *)data, &map32, sizeof (map32));
1450N/A } else
1450N/A#endif
1450N/A DRM_COPYTO_WITH_RETURN((void *)data, &map, sizeof (map));
1450N/A
1450N/A return (0);
1450N/A}
1450N/A
1450N/A/*ARGSUSED*/
1450N/Aint
1450N/Adrm_getclient(DRM_IOCTL_ARGS)
1450N/A{
1450N/A DRM_DEVICE;
1450N/A drm_client_t client;
1450N/A drm_file_t *pt;
1450N/A int idx;
1450N/A int i = 0;
1450N/A
1450N/A#ifdef _MULTI_DATAMODEL
1450N/A if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
1450N/A drm_client_32_t client32;
1450N/A
1450N/A DRM_COPYFROM_WITH_RETURN(&client32, (void *)data,
1450N/A sizeof (client32));
1450N/A client.idx = client32.idx;
1450N/A client.auth = client32.auth;
1450N/A client.pid = client32.pid;
1450N/A client.uid = client32.uid;
1450N/A client.magic = client32.magic;
1450N/A client.iocs = client32.iocs;
1450N/A } else
1450N/A#endif
1450N/A DRM_COPYFROM_WITH_RETURN(&client, (void *)data,
1450N/A sizeof (client));
1450N/A
1450N/A idx = client.idx;
1450N/A DRM_LOCK();
1450N/A TAILQ_FOREACH(pt, &dev->files, link) {
1450N/A if (i == idx) {
1450N/A client.auth = pt->authenticated;
1450N/A client.pid = pt->pid;
1450N/A client.uid = pt->uid;
1450N/A client.magic = pt->magic;
1450N/A client.iocs = pt->ioctl_count;
1450N/A DRM_UNLOCK();
1450N/A
1450N/A#ifdef _MULTI_DATAMODEL
1450N/A if (ddi_model_convert_from(mode & FMODELS) ==
1450N/A DDI_MODEL_ILP32) {
1450N/A drm_client_32_t client32;
1450N/A
1450N/A client32.idx = client.idx;
1450N/A client32.auth = client.auth;
1450N/A client32.pid = (uint32_t)client.pid;
1450N/A client32.uid = (uint32_t)client.uid;
1450N/A client32.magic = (uint32_t)client.magic;
1450N/A client32.iocs = (uint32_t)client.iocs;
1450N/A
1450N/A DRM_COPYTO_WITH_RETURN((void *)data, &client32,
1450N/A sizeof (client32));
1450N/A } else
1450N/A#endif
1450N/A DRM_COPYTO_WITH_RETURN((void *)data,
1450N/A &client, sizeof (client));
1450N/A
1450N/A return (0);
1450N/A }
1450N/A i++;
1450N/A }
1450N/A DRM_UNLOCK();
1450N/A return (EINVAL);
1450N/A}
1450N/A
1450N/A/*ARGSUSED*/
1450N/Aint
1450N/Adrm_getstats(DRM_IOCTL_ARGS)
1450N/A{
1450N/A DRM_DEVICE;
1450N/A drm_stats_t stats;
1450N/A int i;
1450N/A
1450N/A bzero(&stats, sizeof (stats));
1450N/A
1450N/A DRM_LOCK();
1450N/A
1450N/A for (i = 0; i < dev->counters; i++) {
1450N/A if (dev->types[i] == _DRM_STAT_LOCK) {
1450N/A stats.data[i].value
1450N/A = (dev->lock.hw_lock
1450N/A ? dev->lock.hw_lock->lock : 0);
1450N/A } else
1450N/A stats.data[i].value = atomic_read(&dev->counts[i]);
1450N/A stats.data[i].type = dev->types[i];
1450N/A }
1450N/A
1450N/A stats.count = dev->counters;
1450N/A
1450N/A DRM_UNLOCK();
1450N/A
1450N/A#ifdef _MULTI_DATAMODEL
1450N/A if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
1450N/A drm_stats_32_t stats32;
1450N/A stats32.count = (uint32_t)stats.count;
1450N/A for (i = 0; i < 15; i++) {
1450N/A stats32.data[i].value = stats.data[i].value;
1450N/A stats32.data[i].type = stats.data[i].type;
1450N/A }
1450N/A DRM_COPYTO_WITH_RETURN((void *)data, &stats32,
1450N/A sizeof (stats32));
1450N/A } else
1450N/A#endif
1450N/A DRM_COPYTO_WITH_RETURN((void *)data, &stats, sizeof (stats));
1450N/A
1450N/A return (0);
1450N/A}
1450N/A
1450N/A#define DRM_IF_MAJOR 1
1450N/A#define DRM_IF_MINOR 2
1450N/A
1450N/A/*ARGSUSED*/
1450N/Aint
1450N/Adrm_setversion(DRM_IOCTL_ARGS)
1450N/A{
1450N/A DRM_DEVICE;
1450N/A drm_set_version_t sv;
1450N/A drm_set_version_t retv;
1450N/A int if_version;
1450N/A
1450N/A DRM_COPYFROM_WITH_RETURN(&sv, (void *)data, sizeof (sv));
1450N/A
1450N/A retv.drm_di_major = DRM_IF_MAJOR;
1450N/A retv.drm_di_minor = DRM_IF_MINOR;
1450N/A retv.drm_dd_major = dev->driver->driver_major;
1450N/A retv.drm_dd_minor = dev->driver->driver_minor;
1450N/A
1450N/A DRM_COPYTO_WITH_RETURN((void *)data, &retv, sizeof (sv));
1450N/A
1450N/A if (sv.drm_di_major != -1) {
1450N/A if (sv.drm_di_major != DRM_IF_MAJOR ||
1450N/A sv.drm_di_minor < 0 || sv.drm_di_minor > DRM_IF_MINOR)
1450N/A return (EINVAL);
1450N/A if_version = DRM_IF_VERSION(sv.drm_di_major, sv.drm_dd_minor);
1450N/A dev->if_version = DRM_MAX(if_version, dev->if_version);
1450N/A if (sv.drm_di_minor >= 1) {
1450N/A /*
1450N/A * Version 1.1 includes tying of DRM to specific device
1450N/A */
1450N/A (void) drm_set_busid(dev);
1450N/A }
1450N/A }
1450N/A
1450N/A if (sv.drm_dd_major != -1) {
1450N/A if (sv.drm_dd_major != dev->driver->driver_major ||
1450N/A sv.drm_dd_minor < 0 ||
1450N/A sv.drm_dd_minor > dev->driver->driver_minor)
1450N/A return (EINVAL);
1450N/A }
1450N/A return (0);
1450N/A}
1450N/A
1450N/A
1450N/A/*ARGSUSED*/
1450N/Aint
1450N/Adrm_noop(DRM_IOCTL_ARGS)
1450N/A{
1450N/A DRM_DEBUG("drm_noop\n");
1450N/A return (0);
1450N/A}
1450N/A
1450N/A/*ARGSUSED*/
1450N/Aint
1450N/Adrm_version(DRM_IOCTL_ARGS)
1450N/A{
1450N/A DRM_DEVICE;
1450N/A drm_version_t version;
1450N/A size_t len;
1450N/A
1450N/A#ifdef _MULTI_DATAMODEL
1450N/A if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
1450N/A drm_version_32_t version32;
1450N/A
1450N/A DRM_COPYFROM_WITH_RETURN(&version32,
1450N/A (void *)data, sizeof (drm_version_32_t));
1450N/A version.name_len = version32.name_len;
1450N/A version.name = (char *)(uintptr_t)version32.name;
1450N/A version.date_len = version32.date_len;
1450N/A version.date = (char *)(uintptr_t)version32.date;
1450N/A version.desc_len = version32.desc_len;
1450N/A version.desc = (char *)(uintptr_t)version32.desc;
1450N/A } else
1450N/A#endif
1450N/A DRM_COPYFROM_WITH_RETURN(&version, (void *)data,
1450N/A sizeof (version));
1450N/A
1450N/A#define DRM_COPY(name, value) \
1450N/A len = strlen(value); \
1450N/A if (len > name##_len) len = name##_len; \
1450N/A name##_len = strlen(value); \
1450N/A if (len && name) { \
1450N/A if (DRM_COPY_TO_USER(name, value, len)) \
1450N/A return (EFAULT); \
1450N/A }
1450N/A
1450N/A version.version_major = dev->driver->driver_major;
1450N/A version.version_minor = dev->driver->driver_minor;
1450N/A version.version_patchlevel = dev->driver->driver_patchlevel;
1450N/A
1450N/A DRM_COPY(version.name, dev->driver->driver_name);
1450N/A DRM_COPY(version.date, dev->driver->driver_date);
1450N/A DRM_COPY(version.desc, dev->driver->driver_desc);
1450N/A
1450N/A#ifdef _MULTI_DATAMODEL
1450N/A if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
1450N/A drm_version_32_t version32;
1450N/A
1450N/A version32.version_major = version.version_major;
1450N/A version32.version_minor = version.version_minor;
1450N/A version32.version_patchlevel = version.version_patchlevel;
1450N/A version32.name_len = (uint32_t)version.name_len;
1450N/A version32.name = (caddr32_t)(uintptr_t)version.name;
1450N/A version32.date_len = (uint32_t)version.date_len;
1450N/A version32.date = (caddr32_t)(uintptr_t)version.date;
1450N/A version32.desc_len = (uint32_t)version.desc_len;
1450N/A version32.desc = (caddr32_t)(uintptr_t)version.desc;
1450N/A DRM_COPYTO_WITH_RETURN((void *)data, &version32,
1450N/A sizeof (drm_version_32_t));
1450N/A } else
1450N/A#endif
1450N/A DRM_COPYTO_WITH_RETURN((void *)data, &version,
1450N/A sizeof (version));
1450N/A
1450N/A return (0);
1450N/A}