diff options
Diffstat (limited to 'bsd-core/drm_ioctl.c')
| -rw-r--r-- | bsd-core/drm_ioctl.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/bsd-core/drm_ioctl.c b/bsd-core/drm_ioctl.c index a195d0c4..50cf937d 100644 --- a/bsd-core/drm_ioctl.c +++ b/bsd-core/drm_ioctl.c @@ -79,6 +79,12 @@ int DRM(irq_busid)( DRM_IOCTL_ARGS ) #endif } +/* + * Beginning in revision 1.1 of the DRM interface, getunique will return + * a unique in the form pci:oooo:bb:dd.f (o=domain, b=bus, d=device, f=function) + * 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 ) { DRM_DEVICE; @@ -97,6 +103,9 @@ int DRM(getunique)( DRM_IOCTL_ARGS ) return 0; } +/* 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 ) { DRM_DEVICE; @@ -125,6 +134,26 @@ int DRM(setunique)( DRM_IOCTL_ARGS ) } +static int +DRM(set_busid)(drm_device_t *dev) +{ + + if (dev->unique != NULL) + return EBUSY; + + dev->unique_len = 20; + dev->unique = DRM(alloc)(dev->unique_len + 1, DRM_MEM_DRIVER); + if (dev->unique == NULL) + return ENOMEM; + + /* XXX Fix domain number (alpha hoses) */ + snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%1x", + 0, pci_get_bus(dev->device), pci_get_slot(dev->device), + pci_get_function(dev->device)); + + return 0; +} + int DRM(getmap)( DRM_IOCTL_ARGS ) { DRM_DEVICE; @@ -231,6 +260,47 @@ int DRM(getstats)( DRM_IOCTL_ARGS ) return 0; } +int DRM(setversion)(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_set_version_t sv; + drm_set_version_t retv; + + DRM_COPY_FROM_USER_IOCTL(sv, (drm_set_version_t *)data, sizeof(sv)); + + retv.drm_di_major = 1; + retv.drm_di_minor = 1; + retv.drm_dd_major = DRIVER_MAJOR; + retv.drm_dd_minor = 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 != 1 || sv.drm_di_minor < 0) + return EINVAL; + if (sv.drm_di_minor > 1) + return EINVAL; + if (sv.drm_di_minor >= 1) { + /* + * Version 1.1 includes tying of DRM to specific device + */ + DRM(set_busid)(dev); + } + } + + if (sv.drm_dd_major != -1) { + if (sv.drm_dd_major != DRIVER_MAJOR || sv.drm_dd_minor < 0) + return EINVAL; + if (sv.drm_dd_minor > DRIVER_MINOR) + return EINVAL; +#ifdef DRIVER_SETVERSION + DRIVER_SETVERSION(dev, sv); +#endif + } + return 0; +} + + int DRM(noop)(DRM_IOCTL_ARGS) { DRM_DEBUG("\n"); |