diff options
author | rnoland <rnoland@FreeBSD.org> | 2008-08-23 20:59:12 +0000 |
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committer | rnoland <rnoland@FreeBSD.org> | 2008-08-23 20:59:12 +0000 |
commit | 8ebfdfe248e93b41d01041a5ec069bf5761f8741 (patch) | |
tree | 702bd8b6b1d2549932511454499d13cba551297c /sys/dev/drm/drm_ioctl.c | |
parent | cd5da88fc1464a435965660ff2af024771c4333b (diff) | |
download | FreeBSD-src-8ebfdfe248e93b41d01041a5ec069bf5761f8741.zip FreeBSD-src-8ebfdfe248e93b41d01041a5ec069bf5761f8741.tar.gz |
Update drm kernel drivers.
This is a sync to mesa/drm pre-gem, with a few fixes on top of that.
It also contains one local patch supplied by kib@ that I can't apply to
git.master shared code.
Approved by: flz
Obtained from: mesa/drm git.master
MFC after: 2 weeks
Diffstat (limited to 'sys/dev/drm/drm_ioctl.c')
-rw-r--r-- | sys/dev/drm/drm_ioctl.c | 176 |
1 files changed, 82 insertions, 94 deletions
diff --git a/sys/dev/drm/drm_ioctl.c b/sys/dev/drm/drm_ioctl.c index 0ea2197..2d708d8 100644 --- a/sys/dev/drm/drm_ioctl.c +++ b/sys/dev/drm/drm_ioctl.c @@ -1,6 +1,3 @@ -/* drm_ioctl.h -- IOCTL processing for DRM -*- linux-c -*- - * Created: Fri Jan 8 09:01:26 1999 by faith@valinux.com - */ /*- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -34,6 +31,11 @@ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); +/** @file drm_ioctl.c + * Varios minor DRM ioctls not applicable to other files, such as versioning + * information and reporting DRM information to userland. + */ + #include "dev/drm/drmP.h" /* @@ -42,20 +44,16 @@ __FBSDID("$FreeBSD$"); * before setunique has been called. The format for the bus-specific part of * the unique is not defined for any other bus. */ -int drm_getunique(DRM_IOCTL_ARGS) +int drm_getunique(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - drm_unique_t u; - - DRM_COPY_FROM_USER_IOCTL( u, (drm_unique_t *)data, sizeof(u) ); + drm_unique_t *u = data; - if (u.unique_len >= dev->unique_len) { - if (DRM_COPY_TO_USER(u.unique, dev->unique, dev->unique_len)) - return DRM_ERR(EFAULT); + if (u->unique_len >= dev->unique_len) { + if (DRM_COPY_TO_USER(u->unique, dev->unique, dev->unique_len)) + return EFAULT; } - u.unique_len = dev->unique_len; - - DRM_COPY_TO_USER_IOCTL( (drm_unique_t *)data, u, sizeof(u) ); + u->unique_len = dev->unique_len; return 0; } @@ -63,28 +61,26 @@ int drm_getunique(DRM_IOCTL_ARGS) /* Deprecated in DRM version 1.1, and will return EBUSY when setversion has * requested version 1.1 or greater. */ -int drm_setunique(DRM_IOCTL_ARGS) +int drm_setunique(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - drm_unique_t u; + drm_unique_t *u = data; int domain, bus, slot, func, ret; char *busid; - DRM_COPY_FROM_USER_IOCTL( u, (drm_unique_t *)data, sizeof(u) ); - /* Check and copy in the submitted Bus ID */ - if (!u.unique_len || u.unique_len > 1024) - return DRM_ERR(EINVAL); + if (!u->unique_len || u->unique_len > 1024) + return EINVAL; - busid = malloc(u.unique_len + 1, M_DRM, M_WAITOK); + busid = malloc(u->unique_len + 1, M_DRM, M_WAITOK); if (busid == NULL) - return DRM_ERR(ENOMEM); + return ENOMEM; - if (DRM_COPY_FROM_USER(busid, u.unique, u.unique_len)) { + if (DRM_COPY_FROM_USER(busid, u->unique, u->unique_len)) { free(busid, M_DRM); - return DRM_ERR(EFAULT); + return EFAULT; } - busid[u.unique_len] = '\0'; + busid[u->unique_len] = '\0'; /* Return error if the busid submitted doesn't match the device's actual * busid. @@ -92,7 +88,7 @@ int drm_setunique(DRM_IOCTL_ARGS) ret = sscanf(busid, "PCI:%d:%d:%d", &bus, &slot, &func); if (ret != 3) { free(busid, M_DRM); - return DRM_ERR(EINVAL); + return EINVAL; } domain = bus >> 8; bus &= 0xff; @@ -102,17 +98,17 @@ int drm_setunique(DRM_IOCTL_ARGS) (slot != dev->pci_slot) || (func != dev->pci_func)) { free(busid, M_DRM); - return DRM_ERR(EINVAL); + return EINVAL; } /* Actually set the device's busid now. */ DRM_LOCK(); if (dev->unique_len || dev->unique) { DRM_UNLOCK(); - return DRM_ERR(EBUSY); + return EBUSY; } - dev->unique_len = u.unique_len; + dev->unique_len = u->unique_len; dev->unique = busid; DRM_UNLOCK(); @@ -121,7 +117,7 @@ int drm_setunique(DRM_IOCTL_ARGS) static int -drm_set_busid(drm_device_t *dev) +drm_set_busid(struct drm_device *dev) { DRM_LOCK(); @@ -146,32 +142,29 @@ drm_set_busid(drm_device_t *dev) return 0; } -int drm_getmap(DRM_IOCTL_ARGS) +int drm_getmap(struct drm_device *dev, void *data, struct drm_file *file_priv) { - DRM_DEVICE; - drm_map_t map; + drm_map_t *map = data; drm_local_map_t *mapinlist; int idx; int i = 0; - DRM_COPY_FROM_USER_IOCTL( map, (drm_map_t *)data, sizeof(map) ); - - idx = map.offset; + idx = map->offset; DRM_LOCK(); if (idx < 0) { DRM_UNLOCK(); - return DRM_ERR(EINVAL); + return EINVAL; } TAILQ_FOREACH(mapinlist, &dev->maplist, link) { if (i==idx) { - map.offset = mapinlist->offset; - map.size = mapinlist->size; - map.type = mapinlist->type; - map.flags = mapinlist->flags; - map.handle = mapinlist->handle; - map.mtrr = mapinlist->mtrr; + map->offset = mapinlist->offset; + map->size = mapinlist->size; + map->type = mapinlist->type; + map->flags = mapinlist->flags; + map->handle = mapinlist->handle; + map->mtrr = mapinlist->mtrr; break; } i++; @@ -182,100 +175,91 @@ int drm_getmap(DRM_IOCTL_ARGS) if (mapinlist == NULL) return EINVAL; - DRM_COPY_TO_USER_IOCTL( (drm_map_t *)data, map, sizeof(map) ); - return 0; } -int drm_getclient(DRM_IOCTL_ARGS) +int drm_getclient(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - drm_client_t client; + drm_client_t *client = data; drm_file_t *pt; int idx; int i = 0; - DRM_COPY_FROM_USER_IOCTL( client, (drm_client_t *)data, sizeof(client) ); - - idx = client.idx; + idx = client->idx; DRM_LOCK(); TAILQ_FOREACH(pt, &dev->files, link) { if (i==idx) { - client.auth = pt->authenticated; - client.pid = pt->pid; - client.uid = pt->uid; - client.magic = pt->magic; - client.iocs = pt->ioctl_count; + client->auth = pt->authenticated; + client->pid = pt->pid; + client->uid = pt->uid; + client->magic = pt->magic; + client->iocs = pt->ioctl_count; DRM_UNLOCK(); - - *(drm_client_t *)data = client; return 0; } i++; } DRM_UNLOCK(); - DRM_COPY_TO_USER_IOCTL( (drm_client_t *)data, client, sizeof(client) ); - - return 0; + return EINVAL; } -int drm_getstats(DRM_IOCTL_ARGS) +int drm_getstats(struct drm_device *dev, void *data, struct drm_file *file_priv) { - DRM_DEVICE; - drm_stats_t stats; + drm_stats_t *stats = data; int i; - memset(&stats, 0, sizeof(stats)); + memset(stats, 0, sizeof(drm_stats_t)); DRM_LOCK(); for (i = 0; i < dev->counters; i++) { if (dev->types[i] == _DRM_STAT_LOCK) - stats.data[i].value + stats->data[i].value = (dev->lock.hw_lock ? dev->lock.hw_lock->lock : 0); else - stats.data[i].value = atomic_read(&dev->counts[i]); - stats.data[i].type = dev->types[i]; + stats->data[i].value = atomic_read(&dev->counts[i]); + stats->data[i].type = dev->types[i]; } - stats.count = dev->counters; + stats->count = dev->counters; DRM_UNLOCK(); - DRM_COPY_TO_USER_IOCTL( (drm_stats_t *)data, stats, sizeof(stats) ); - return 0; } #define DRM_IF_MAJOR 1 #define DRM_IF_MINOR 2 -int drm_setversion(DRM_IOCTL_ARGS) +int drm_setversion(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - drm_set_version_t sv; - drm_set_version_t retv; + drm_set_version_t *sv = data; + drm_set_version_t ver; int if_version; - DRM_COPY_FROM_USER_IOCTL(sv, (drm_set_version_t *)data, sizeof(sv)); - - retv.drm_di_major = DRM_IF_MAJOR; - retv.drm_di_minor = DRM_IF_MINOR; - retv.drm_dd_major = dev->driver.major; - retv.drm_dd_minor = dev->driver.minor; - - DRM_COPY_TO_USER_IOCTL((drm_set_version_t *)data, retv, sizeof(sv)); - - if (sv.drm_di_major != -1) { - if (sv.drm_di_major != DRM_IF_MAJOR || - sv.drm_di_minor < 0 || sv.drm_di_minor > DRM_IF_MINOR) + /* Save the incoming data, and set the response before continuing + * any further. + */ + ver = *sv; + sv->drm_di_major = DRM_IF_MAJOR; + sv->drm_di_minor = DRM_IF_MINOR; + sv->drm_dd_major = dev->driver.major; + sv->drm_dd_minor = dev->driver.minor; + + if (ver.drm_di_major != -1) { + if (ver.drm_di_major != DRM_IF_MAJOR || + ver.drm_di_minor < 0 || ver.drm_di_minor > DRM_IF_MINOR) { return EINVAL; - if_version = DRM_IF_VERSION(sv.drm_di_major, sv.drm_dd_minor); + } + if_version = DRM_IF_VERSION(ver.drm_di_major, + ver.drm_dd_minor); dev->if_version = DRM_MAX(if_version, dev->if_version); - if (sv.drm_di_minor >= 1) { + if (ver.drm_di_minor >= 1) { /* * Version 1.1 includes tying of DRM to specific device */ @@ -283,16 +267,20 @@ int drm_setversion(DRM_IOCTL_ARGS) } } - if (sv.drm_dd_major != -1) { - if (sv.drm_dd_major != dev->driver.major || - sv.drm_dd_minor < 0 || sv.drm_dd_minor > dev->driver.minor) + if (ver.drm_dd_major != -1) { + if (ver.drm_dd_major != dev->driver.major || + ver.drm_dd_minor < 0 || + ver.drm_dd_minor > dev->driver.minor) + { return EINVAL; + } } + return 0; } -int drm_noop(DRM_IOCTL_ARGS) +int drm_noop(struct drm_device *dev, void *data, struct drm_file *file_priv) { DRM_DEBUG("\n"); return 0; |