static drmServerInfoPtr drm_server_info;
-void drmSetServerInfo(drmServerInfoPtr info)
+drm_public void drmSetServerInfo(drmServerInfoPtr info)
{
drm_server_info = info;
}
return vfprintf(stderr, format, ap);
}
-void
+drm_public void
drmMsg(const char *format, ...)
{
va_list ap;
static void *drmHashTable = NULL; /* Context switch callbacks */
-void *drmGetHashTable(void)
+drm_public void *drmGetHashTable(void)
{
return drmHashTable;
}
-void *drmMalloc(int size)
+drm_public void *drmMalloc(int size)
{
return calloc(1, size);
}
-void drmFree(void *pt)
+drm_public void drmFree(void *pt)
{
free(pt);
}
/**
* Call ioctl, restarting if it is interupted
*/
-int
+drm_public int
drmIoctl(int fd, unsigned long request, void *arg)
{
int ret;
return st.st_rdev;
}
-drmHashEntry *drmGetEntry(int fd)
+drm_public drmHashEntry *drmGetEntry(int fd)
{
unsigned long key = drmGetKeyFromFd(fd);
void *value;
* minor and get version information. For backward compatibility with older
* Linux implementations, /proc/dri is also checked.
*/
-int drmAvailable(void)
+drm_public int drmAvailable(void)
{
drmVersionPtr version;
int retval = 0;
* It calls drmOpenByBusid() if \p busid is specified or drmOpenByName()
* otherwise.
*/
-int drmOpen(const char *name, const char *busid)
+drm_public int drmOpen(const char *name, const char *busid)
{
return drmOpenWithType(name, busid, DRM_NODE_PRIMARY);
}
* It calls drmOpenByBusid() if \p busid is specified or drmOpenByName()
* otherwise.
*/
-int drmOpenWithType(const char *name, const char *busid, int type)
+drm_public int drmOpenWithType(const char *name, const char *busid, int type)
{
if (!drmAvailable() && name != NULL && drm_server_info &&
drm_server_info->load_module) {
return -1;
}
-int drmOpenControl(int minor)
+drm_public int drmOpenControl(int minor)
{
return drmOpenMinor(minor, 0, DRM_NODE_CONTROL);
}
-int drmOpenRender(int minor)
+drm_public int drmOpenRender(int minor)
{
return drmOpenMinor(minor, 0, DRM_NODE_RENDER);
}
* It frees the memory pointed by \p %v as well as all the non-null strings
* pointers in it.
*/
-void drmFreeVersion(drmVersionPtr v)
+drm_public void drmFreeVersion(drmVersionPtr v)
{
if (!v)
return;
* first with zeros to get the string lengths, and then the actually strings.
* It also null-terminates them since they might not be already.
*/
-drmVersionPtr drmGetVersion(int fd)
+drm_public drmVersionPtr drmGetVersion(int fd)
{
drmVersionPtr retval;
drm_version_t *version = drmMalloc(sizeof(*version));
* This function allocates and fills a drm_version structure with a hard coded
* version number.
*/
-drmVersionPtr drmGetLibVersion(int fd)
+drm_public drmVersionPtr drmGetLibVersion(int fd)
{
drm_version_t *version = drmMalloc(sizeof(*version));
return (drmVersionPtr)version;
}
-int drmGetCap(int fd, uint64_t capability, uint64_t *value)
+drm_public int drmGetCap(int fd, uint64_t capability, uint64_t *value)
{
struct drm_get_cap cap;
int ret;
return 0;
}
-int drmSetClientCap(int fd, uint64_t capability, uint64_t value)
+drm_public int drmSetClientCap(int fd, uint64_t capability, uint64_t value)
{
struct drm_set_client_cap cap;
* \internal
* This function is just frees the memory pointed by \p busid.
*/
-void drmFreeBusid(const char *busid)
+drm_public void drmFreeBusid(const char *busid)
{
drmFree((void *)busid);
}
* get the string length and data, passing the arguments in a drm_unique
* structure.
*/
-char *drmGetBusid(int fd)
+drm_public char *drmGetBusid(int fd)
{
drm_unique_t u;
* This function is a wrapper around the DRM_IOCTL_SET_UNIQUE ioctl, passing
* the arguments in a drm_unique structure.
*/
-int drmSetBusid(int fd, const char *busid)
+drm_public int drmSetBusid(int fd, const char *busid)
{
drm_unique_t u;
return 0;
}
-int drmGetMagic(int fd, drm_magic_t * magic)
+drm_public int drmGetMagic(int fd, drm_magic_t * magic)
{
drm_auth_t auth;
return 0;
}
-int drmAuthMagic(int fd, drm_magic_t magic)
+drm_public int drmAuthMagic(int fd, drm_magic_t magic)
{
drm_auth_t auth;
* This function is a wrapper around the DRM_IOCTL_ADD_MAP ioctl, passing
* the arguments in a drm_map structure.
*/
-int drmAddMap(int fd, drm_handle_t offset, drmSize size, drmMapType type,
- drmMapFlags flags, drm_handle_t *handle)
+drm_public int drmAddMap(int fd, drm_handle_t offset, drmSize size, drmMapType type,
+ drmMapFlags flags, drm_handle_t *handle)
{
drm_map_t map;
return 0;
}
-int drmRmMap(int fd, drm_handle_t handle)
+drm_public int drmRmMap(int fd, drm_handle_t handle)
{
drm_map_t map;
*
* \sa drm_buf_desc.
*/
-int drmAddBufs(int fd, int count, int size, drmBufDescFlags flags,
- int agp_offset)
+drm_public int drmAddBufs(int fd, int count, int size, drmBufDescFlags flags,
+ int agp_offset)
{
drm_buf_desc_t request;
return request.count;
}
-int drmMarkBufs(int fd, double low, double high)
+drm_public int drmMarkBufs(int fd, double low, double high)
{
drm_buf_info_t info;
int i;
* This function is a wrapper around the DRM_IOCTL_FREE_BUFS ioctl, passing
* the arguments in a drm_buf_free structure.
*/
-int drmFreeBufs(int fd, int count, int *list)
+drm_public int drmFreeBufs(int fd, int count, int *list)
{
drm_buf_free_t request;
* \internal
* This function closes the file descriptor.
*/
-int drmClose(int fd)
+drm_public int drmClose(int fd)
{
unsigned long key = drmGetKeyFromFd(fd);
drmHashEntry *entry = drmGetEntry(fd);
* \internal
* This function is a wrapper for mmap().
*/
-int drmMap(int fd, drm_handle_t handle, drmSize size, drmAddressPtr address)
+drm_public int drmMap(int fd, drm_handle_t handle, drmSize size,
+ drmAddressPtr address)
{
static unsigned long pagesize_mask = 0;
* \internal
* This function is a wrapper for munmap().
*/
-int drmUnmap(drmAddress address, drmSize size)
+drm_public int drmUnmap(drmAddress address, drmSize size)
{
return drm_munmap(address, size);
}
-drmBufInfoPtr drmGetBufInfo(int fd)
+drm_public drmBufInfoPtr drmGetBufInfo(int fd)
{
drm_buf_info_t info;
drmBufInfoPtr retval;
* information about the buffers in a drm_buf_map structure into the
* client-visible data structures.
*/
-drmBufMapPtr drmMapBufs(int fd)
+drm_public drmBufMapPtr drmMapBufs(int fd)
{
drm_buf_map_t bufs;
drmBufMapPtr retval;
* Calls munmap() for every buffer stored in \p bufs and frees the
* memory allocated by drmMapBufs().
*/
-int drmUnmapBufs(drmBufMapPtr bufs)
+drm_public int drmUnmapBufs(drmBufMapPtr bufs)
{
int i;
* Assemble the arguments into a drm_dma structure and keeps issuing the
* DRM_IOCTL_DMA ioctl until success or until maximum number of retries.
*/
-int drmDMA(int fd, drmDMAReqPtr request)
+drm_public int drmDMA(int fd, drmDMAReqPtr request)
{
drm_dma_t dma;
int ret, i = 0;
* This function translates the arguments into a drm_lock structure and issue
* the DRM_IOCTL_LOCK ioctl until the lock is successfully acquired.
*/
-int drmGetLock(int fd, drm_context_t context, drmLockFlags flags)
+drm_public int drmGetLock(int fd, drm_context_t context, drmLockFlags flags)
{
drm_lock_t lock;
* This function is a wrapper around the DRM_IOCTL_UNLOCK ioctl, passing the
* argument in a drm_lock structure.
*/
-int drmUnlock(int fd, drm_context_t context)
+drm_public int drmUnlock(int fd, drm_context_t context)
{
drm_lock_t lock;
return drmIoctl(fd, DRM_IOCTL_UNLOCK, &lock);
}
-drm_context_t *drmGetReservedContextList(int fd, int *count)
+drm_public drm_context_t *drmGetReservedContextList(int fd, int *count)
{
drm_ctx_res_t res;
drm_ctx_t *list;
return NULL;
}
-void drmFreeReservedContextList(drm_context_t *pt)
+drm_public void drmFreeReservedContextList(drm_context_t *pt)
{
drmFree(pt);
}
* This function is a wrapper around the DRM_IOCTL_ADD_CTX ioctl, passing the
* argument in a drm_ctx structure.
*/
-int drmCreateContext(int fd, drm_context_t *handle)
+drm_public int drmCreateContext(int fd, drm_context_t *handle)
{
drm_ctx_t ctx;
return 0;
}
-int drmSwitchToContext(int fd, drm_context_t context)
+drm_public int drmSwitchToContext(int fd, drm_context_t context)
{
drm_ctx_t ctx;
return 0;
}
-int drmSetContextFlags(int fd, drm_context_t context, drm_context_tFlags flags)
+drm_public int drmSetContextFlags(int fd, drm_context_t context,
+ drm_context_tFlags flags)
{
drm_ctx_t ctx;
return 0;
}
-int drmGetContextFlags(int fd, drm_context_t context,
- drm_context_tFlagsPtr flags)
+drm_public int drmGetContextFlags(int fd, drm_context_t context,
+ drm_context_tFlagsPtr flags)
{
drm_ctx_t ctx;
* This function is a wrapper around the DRM_IOCTL_RM_CTX ioctl, passing the
* argument in a drm_ctx structure.
*/
-int drmDestroyContext(int fd, drm_context_t handle)
+drm_public int drmDestroyContext(int fd, drm_context_t handle)
{
drm_ctx_t ctx;
return 0;
}
-int drmCreateDrawable(int fd, drm_drawable_t *handle)
+drm_public int drmCreateDrawable(int fd, drm_drawable_t *handle)
{
drm_draw_t draw;
return 0;
}
-int drmDestroyDrawable(int fd, drm_drawable_t handle)
+drm_public int drmDestroyDrawable(int fd, drm_drawable_t handle)
{
drm_draw_t draw;
return 0;
}
-int drmUpdateDrawableInfo(int fd, drm_drawable_t handle,
- drm_drawable_info_type_t type, unsigned int num,
- void *data)
+drm_public int drmUpdateDrawableInfo(int fd, drm_drawable_t handle,
+ drm_drawable_info_type_t type,
+ unsigned int num, void *data)
{
drm_update_draw_t update;
return 0;
}
-int drmCrtcGetSequence(int fd, uint32_t crtcId, uint64_t *sequence, uint64_t *ns)
+drm_public int drmCrtcGetSequence(int fd, uint32_t crtcId, uint64_t *sequence,
+ uint64_t *ns)
{
struct drm_crtc_get_sequence get_seq;
int ret;
return 0;
}
-int drmCrtcQueueSequence(int fd, uint32_t crtcId, uint32_t flags, uint64_t sequence,
- uint64_t *sequence_queued, uint64_t user_data)
+drm_public int drmCrtcQueueSequence(int fd, uint32_t crtcId, uint32_t flags,
+ uint64_t sequence,
+ uint64_t *sequence_queued,
+ uint64_t user_data)
{
struct drm_crtc_queue_sequence queue_seq;
int ret;
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_ACQUIRE ioctl.
*/
-int drmAgpAcquire(int fd)
+drm_public int drmAgpAcquire(int fd)
{
if (drmIoctl(fd, DRM_IOCTL_AGP_ACQUIRE, NULL))
return -errno;
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_RELEASE ioctl.
*/
-int drmAgpRelease(int fd)
+drm_public int drmAgpRelease(int fd)
{
if (drmIoctl(fd, DRM_IOCTL_AGP_RELEASE, NULL))
return -errno;
* This function is a wrapper around the DRM_IOCTL_AGP_ENABLE ioctl, passing the
* argument in a drm_agp_mode structure.
*/
-int drmAgpEnable(int fd, unsigned long mode)
+drm_public int drmAgpEnable(int fd, unsigned long mode)
{
drm_agp_mode_t m;
* This function is a wrapper around the DRM_IOCTL_AGP_ALLOC ioctl, passing the
* arguments in a drm_agp_buffer structure.
*/
-int drmAgpAlloc(int fd, unsigned long size, unsigned long type,
- unsigned long *address, drm_handle_t *handle)
+drm_public int drmAgpAlloc(int fd, unsigned long size, unsigned long type,
+ unsigned long *address, drm_handle_t *handle)
{
drm_agp_buffer_t b;
* This function is a wrapper around the DRM_IOCTL_AGP_FREE ioctl, passing the
* argument in a drm_agp_buffer structure.
*/
-int drmAgpFree(int fd, drm_handle_t handle)
+drm_public int drmAgpFree(int fd, drm_handle_t handle)
{
drm_agp_buffer_t b;
* This function is a wrapper around the DRM_IOCTL_AGP_BIND ioctl, passing the
* argument in a drm_agp_binding structure.
*/
-int drmAgpBind(int fd, drm_handle_t handle, unsigned long offset)
+drm_public int drmAgpBind(int fd, drm_handle_t handle, unsigned long offset)
{
drm_agp_binding_t b;
* This function is a wrapper around the DRM_IOCTL_AGP_UNBIND ioctl, passing
* the argument in a drm_agp_binding structure.
*/
-int drmAgpUnbind(int fd, drm_handle_t handle)
+drm_public int drmAgpUnbind(int fd, drm_handle_t handle)
{
drm_agp_binding_t b;
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
*/
-int drmAgpVersionMajor(int fd)
+drm_public int drmAgpVersionMajor(int fd)
{
drm_agp_info_t i;
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
*/
-int drmAgpVersionMinor(int fd)
+drm_public int drmAgpVersionMinor(int fd)
{
drm_agp_info_t i;
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
*/
-unsigned long drmAgpGetMode(int fd)
+drm_public unsigned long drmAgpGetMode(int fd)
{
drm_agp_info_t i;
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
*/
-unsigned long drmAgpBase(int fd)
+drm_public unsigned long drmAgpBase(int fd)
{
drm_agp_info_t i;
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
*/
-unsigned long drmAgpSize(int fd)
+drm_public unsigned long drmAgpSize(int fd)
{
drm_agp_info_t i;
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
*/
-unsigned long drmAgpMemoryUsed(int fd)
+drm_public unsigned long drmAgpMemoryUsed(int fd)
{
drm_agp_info_t i;
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
*/
-unsigned long drmAgpMemoryAvail(int fd)
+drm_public unsigned long drmAgpMemoryAvail(int fd)
{
drm_agp_info_t i;
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
*/
-unsigned int drmAgpVendorId(int fd)
+drm_public unsigned int drmAgpVendorId(int fd)
{
drm_agp_info_t i;
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
*/
-unsigned int drmAgpDeviceId(int fd)
+drm_public unsigned int drmAgpDeviceId(int fd)
{
drm_agp_info_t i;
return i.id_device;
}
-int drmScatterGatherAlloc(int fd, unsigned long size, drm_handle_t *handle)
+drm_public int drmScatterGatherAlloc(int fd, unsigned long size,
+ drm_handle_t *handle)
{
drm_scatter_gather_t sg;
return 0;
}
-int drmScatterGatherFree(int fd, drm_handle_t handle)
+drm_public int drmScatterGatherFree(int fd, drm_handle_t handle)
{
drm_scatter_gather_t sg;
* \internal
* This function is a wrapper around the DRM_IOCTL_WAIT_VBLANK ioctl.
*/
-int drmWaitVBlank(int fd, drmVBlankPtr vbl)
+drm_public int drmWaitVBlank(int fd, drmVBlankPtr vbl)
{
struct timespec timeout, cur;
int ret;
return ret;
}
-int drmError(int err, const char *label)
+drm_public int drmError(int err, const char *label)
{
switch (err) {
case DRM_ERR_NO_DEVICE:
* This function is a wrapper around the DRM_IOCTL_CONTROL ioctl, passing the
* argument in a drm_control structure.
*/
-int drmCtlInstHandler(int fd, int irq)
+drm_public int drmCtlInstHandler(int fd, int irq)
{
drm_control_t ctl;
* This function is a wrapper around the DRM_IOCTL_CONTROL ioctl, passing the
* argument in a drm_control structure.
*/
-int drmCtlUninstHandler(int fd)
+drm_public int drmCtlUninstHandler(int fd)
{
drm_control_t ctl;
return 0;
}
-int drmFinish(int fd, int context, drmLockFlags flags)
+drm_public int drmFinish(int fd, int context, drmLockFlags flags)
{
drm_lock_t lock;
* This function is a wrapper around the DRM_IOCTL_IRQ_BUSID ioctl, passing the
* arguments in a drm_irq_busid structure.
*/
-int drmGetInterruptFromBusID(int fd, int busnum, int devnum, int funcnum)
+drm_public int drmGetInterruptFromBusID(int fd, int busnum, int devnum,
+ int funcnum)
{
drm_irq_busid_t p;
return p.irq;
}
-int drmAddContextTag(int fd, drm_context_t context, void *tag)
+drm_public int drmAddContextTag(int fd, drm_context_t context, void *tag)
{
drmHashEntry *entry = drmGetEntry(fd);
return 0;
}
-int drmDelContextTag(int fd, drm_context_t context)
+drm_public int drmDelContextTag(int fd, drm_context_t context)
{
drmHashEntry *entry = drmGetEntry(fd);
return drmHashDelete(entry->tagTable, context);
}
-void *drmGetContextTag(int fd, drm_context_t context)
+drm_public void *drmGetContextTag(int fd, drm_context_t context)
{
drmHashEntry *entry = drmGetEntry(fd);
void *value;
return value;
}
-int drmAddContextPrivateMapping(int fd, drm_context_t ctx_id,
- drm_handle_t handle)
+drm_public int drmAddContextPrivateMapping(int fd, drm_context_t ctx_id,
+ drm_handle_t handle)
{
drm_ctx_priv_map_t map;
return 0;
}
-int drmGetContextPrivateMapping(int fd, drm_context_t ctx_id,
- drm_handle_t *handle)
+drm_public int drmGetContextPrivateMapping(int fd, drm_context_t ctx_id,
+ drm_handle_t *handle)
{
drm_ctx_priv_map_t map;
return 0;
}
-int drmGetMap(int fd, int idx, drm_handle_t *offset, drmSize *size,
- drmMapType *type, drmMapFlags *flags, drm_handle_t *handle,
- int *mtrr)
+drm_public int drmGetMap(int fd, int idx, drm_handle_t *offset, drmSize *size,
+ drmMapType *type, drmMapFlags *flags,
+ drm_handle_t *handle, int *mtrr)
{
drm_map_t map;
return 0;
}
-int drmGetClient(int fd, int idx, int *auth, int *pid, int *uid,
- unsigned long *magic, unsigned long *iocs)
+drm_public int drmGetClient(int fd, int idx, int *auth, int *pid, int *uid,
+ unsigned long *magic, unsigned long *iocs)
{
drm_client_t client;
return 0;
}
-int drmGetStats(int fd, drmStatsT *stats)
+drm_public int drmGetStats(int fd, drmStatsT *stats)
{
drm_stats_t s;
unsigned i;
* It issues a read-write ioctl given by
* \code DRM_COMMAND_BASE + drmCommandIndex \endcode.
*/
-int drmSetInterfaceVersion(int fd, drmSetVersion *version)
+drm_public int drmSetInterfaceVersion(int fd, drmSetVersion *version)
{
int retcode = 0;
drm_set_version_t sv;
* It issues a ioctl given by
* \code DRM_COMMAND_BASE + drmCommandIndex \endcode.
*/
-int drmCommandNone(int fd, unsigned long drmCommandIndex)
+drm_public int drmCommandNone(int fd, unsigned long drmCommandIndex)
{
unsigned long request;
* It issues a read ioctl given by
* \code DRM_COMMAND_BASE + drmCommandIndex \endcode.
*/
-int drmCommandRead(int fd, unsigned long drmCommandIndex, void *data,
- unsigned long size)
+drm_public int drmCommandRead(int fd, unsigned long drmCommandIndex,
+ void *data, unsigned long size)
{
unsigned long request;
* It issues a write ioctl given by
* \code DRM_COMMAND_BASE + drmCommandIndex \endcode.
*/
-int drmCommandWrite(int fd, unsigned long drmCommandIndex, void *data,
- unsigned long size)
+drm_public int drmCommandWrite(int fd, unsigned long drmCommandIndex,
+ void *data, unsigned long size)
{
unsigned long request;
* It issues a read-write ioctl given by
* \code DRM_COMMAND_BASE + drmCommandIndex \endcode.
*/
-int drmCommandWriteRead(int fd, unsigned long drmCommandIndex, void *data,
- unsigned long size)
+drm_public int drmCommandWriteRead(int fd, unsigned long drmCommandIndex,
+ void *data, unsigned long size)
{
unsigned long request;
static int nr_fds = 0;
-int drmOpenOnce(void *unused,
- const char *BusID,
- int *newlyopened)
+drm_public int drmOpenOnce(void *unused, const char *BusID, int *newlyopened)
{
return drmOpenOnceWithType(BusID, newlyopened, DRM_NODE_PRIMARY);
}
-int drmOpenOnceWithType(const char *BusID, int *newlyopened, int type)
+drm_public int drmOpenOnceWithType(const char *BusID, int *newlyopened,
+ int type)
{
int i;
int fd;
return fd;
}
-void drmCloseOnce(int fd)
+drm_public void drmCloseOnce(int fd)
{
int i;
}
}
-int drmSetMaster(int fd)
+drm_public int drmSetMaster(int fd)
{
return drmIoctl(fd, DRM_IOCTL_SET_MASTER, NULL);
}
-int drmDropMaster(int fd)
+drm_public int drmDropMaster(int fd)
{
return drmIoctl(fd, DRM_IOCTL_DROP_MASTER, NULL);
}
-char *drmGetDeviceNameFromFd(int fd)
+drm_public char *drmGetDeviceNameFromFd(int fd)
{
char name[128];
struct stat sbuf;
return strdup(name);
}
-int drmGetNodeTypeFromFd(int fd)
+static bool drmNodeIsDRM(int maj, int min)
+{
+#ifdef __linux__
+ char path[64];
+ struct stat sbuf;
+
+ snprintf(path, sizeof(path), "/sys/dev/char/%d:%d/device/drm",
+ maj, min);
+ return stat(path, &sbuf) == 0;
+#else
+ return maj == DRM_MAJOR;
+#endif
+}
+
+drm_public int drmGetNodeTypeFromFd(int fd)
{
struct stat sbuf;
int maj, min, type;
maj = major(sbuf.st_rdev);
min = minor(sbuf.st_rdev);
- if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode)) {
+ if (!drmNodeIsDRM(maj, min) || !S_ISCHR(sbuf.st_mode)) {
errno = EINVAL;
return -1;
}
return type;
}
-int drmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags, int *prime_fd)
+drm_public int drmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags,
+ int *prime_fd)
{
struct drm_prime_handle args;
int ret;
return 0;
}
-int drmPrimeFDToHandle(int fd, int prime_fd, uint32_t *handle)
+drm_public int drmPrimeFDToHandle(int fd, int prime_fd, uint32_t *handle)
{
struct drm_prime_handle args;
int ret;
maj = major(sbuf.st_rdev);
min = minor(sbuf.st_rdev);
- if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode))
+ if (!drmNodeIsDRM(maj, min) || !S_ISCHR(sbuf.st_mode))
return NULL;
snprintf(buf, sizeof(buf), "/sys/dev/char/%d:%d/device/drm", maj, min);
maj = major(sbuf.st_rdev);
min = minor(sbuf.st_rdev);
- if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode))
+ if (!drmNodeIsDRM(maj, min) || !S_ISCHR(sbuf.st_mode))
return NULL;
switch (type) {
#endif
}
-char *drmGetPrimaryDeviceNameFromFd(int fd)
+drm_public char *drmGetPrimaryDeviceNameFromFd(int fd)
{
return drmGetMinorNameForFD(fd, DRM_NODE_PRIMARY);
}
-char *drmGetRenderDeviceNameFromFd(int fd)
+drm_public char *drmGetRenderDeviceNameFromFd(int fd)
{
return drmGetMinorNameForFD(fd, DRM_NODE_RENDER);
}
}
#endif
+/* Little white lie to avoid major rework of the existing code */
+#define DRM_BUS_VIRTIO 0x10
+
static int drmParseSubsystemType(int maj, int min)
{
#ifdef __linux__
if (strncmp(name, "/host1x", 7) == 0)
return DRM_BUS_HOST1X;
+ if (strncmp(name, "/virtio", 7) == 0)
+ return DRM_BUS_VIRTIO;
+
return -EINVAL;
#elif defined(__OpenBSD__)
return DRM_BUS_PCI;
#endif
}
+static void
+get_pci_path(int maj, int min, char *pci_path)
+{
+ char path[PATH_MAX + 1], *term;
+
+ snprintf(path, sizeof(path), "/sys/dev/char/%d:%d/device", maj, min);
+ if (!realpath(path, pci_path)) {
+ strcpy(pci_path, path);
+ return;
+ }
+
+ term = strrchr(pci_path, '/');
+ if (term && strncmp(term, "/virtio", 7) == 0)
+ *term = 0;
+}
+
static int drmParsePciBusInfo(int maj, int min, drmPciBusInfoPtr info)
{
#ifdef __linux__
unsigned int domain, bus, dev, func;
- char path[PATH_MAX + 1], *value;
+ char pci_path[PATH_MAX + 1], *value;
int num;
- snprintf(path, sizeof(path), "/sys/dev/char/%d:%d/device", maj, min);
+ get_pci_path(maj, min, pci_path);
- value = sysfs_uevent_get(path, "PCI_SLOT_NAME");
+ value = sysfs_uevent_get(pci_path, "PCI_SLOT_NAME");
if (!value)
return -ENOENT;
#endif
}
-int drmDevicesEqual(drmDevicePtr a, drmDevicePtr b)
+drm_public int drmDevicesEqual(drmDevicePtr a, drmDevicePtr b)
{
if (a == NULL || b == NULL)
return 0;
"subsystem_vendor",
"subsystem_device",
};
- char path[PATH_MAX + 1];
+ char path[PATH_MAX + 1], pci_path[PATH_MAX + 1];
unsigned int data[ARRAY_SIZE(attrs)];
FILE *fp;
int ret;
+ get_pci_path(maj, min, pci_path);
+
for (unsigned i = ignore_revision ? 1 : 0; i < ARRAY_SIZE(attrs); i++) {
- snprintf(path, PATH_MAX, "/sys/dev/char/%d:%d/device/%s", maj, min,
- attrs[i]);
+ snprintf(path, PATH_MAX, "%s/%s", pci_path, attrs[i]);
fp = fopen(path, "r");
if (!fp)
return -errno;
static int parse_config_sysfs_file(int maj, int min,
drmPciDeviceInfoPtr device)
{
- char path[PATH_MAX + 1];
+ char path[PATH_MAX + 1], pci_path[PATH_MAX + 1];
unsigned char config[64];
int fd, ret;
- snprintf(path, PATH_MAX, "/sys/dev/char/%d:%d/device/config", maj, min);
+ get_pci_path(maj, min, pci_path);
+
+ snprintf(path, PATH_MAX, "%s/config", pci_path);
fd = open(path, O_RDONLY);
if (fd < 0)
return -errno;
}
}
-void drmFreeDevice(drmDevicePtr *device)
+drm_public void drmFreeDevice(drmDevicePtr *device)
{
if (device == NULL)
return;
*device = NULL;
}
-void drmFreeDevices(drmDevicePtr devices[], int count)
+drm_public void drmFreeDevices(drmDevicePtr devices[], int count)
{
int i;
maj = major(sbuf.st_rdev);
min = minor(sbuf.st_rdev);
- if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode))
+ if (!drmNodeIsDRM(maj, min) || !S_ISCHR(sbuf.st_mode))
return -1;
subsystem_type = drmParseSubsystemType(maj, min);
switch (subsystem_type) {
case DRM_BUS_PCI:
+ case DRM_BUS_VIRTIO:
return drmProcessPciDevice(device, node, node_type, maj, min,
fetch_deviceinfo, flags);
case DRM_BUS_USB:
return false;
}
+/*
+ * The kernel drm core has a number of places that assume maximum of
+ * 3x64 devices nodes. That's 64 for each of primary, control and
+ * render nodes. Rounded it up to 256 for simplicity.
+ */
+#define MAX_DRM_NODES 256
+
/**
* Get information about the opened drm device
*
* \note Unlike drmGetDevice it does not retrieve the pci device revision field
* unless the DRM_DEVICE_GET_PCI_REVISION \p flag is set.
*/
-int drmGetDevice2(int fd, uint32_t flags, drmDevicePtr *device)
+drm_public int drmGetDevice2(int fd, uint32_t flags, drmDevicePtr *device)
{
#ifdef __OpenBSD__
/*
maj = major(sbuf.st_rdev);
min = minor(sbuf.st_rdev);
- if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode))
+ if (!drmNodeIsDRM(maj, min) || !S_ISCHR(sbuf.st_mode))
return -EINVAL;
node_type = drmGetMinorType(min);
return 0;
#else
- drmDevicePtr *local_devices;
+ drmDevicePtr local_devices[MAX_DRM_NODES];
drmDevicePtr d;
DIR *sysdir;
struct dirent *dent;
int subsystem_type;
int maj, min;
int ret, i, node_count;
- int max_count = 16;
dev_t find_rdev;
if (drm_device_validate_flags(flags))
maj = major(sbuf.st_rdev);
min = minor(sbuf.st_rdev);
- if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode))
+ if (!drmNodeIsDRM(maj, min) || !S_ISCHR(sbuf.st_mode))
return -EINVAL;
subsystem_type = drmParseSubsystemType(maj, min);
if (subsystem_type < 0)
return subsystem_type;
- local_devices = calloc(max_count, sizeof(drmDevicePtr));
- if (local_devices == NULL)
- return -ENOMEM;
-
sysdir = opendir(DRM_DIR_NAME);
- if (!sysdir) {
- ret = -errno;
- goto free_locals;
- }
+ if (!sysdir)
+ return -errno;
i = 0;
while ((dent = readdir(sysdir))) {
if (ret)
continue;
- if (i >= max_count) {
- drmDevicePtr *temp;
-
- max_count += 16;
- temp = realloc(local_devices, max_count * sizeof(drmDevicePtr));
- if (!temp)
- goto free_devices;
- local_devices = temp;
+ if (i >= MAX_DRM_NODES) {
+ fprintf(stderr, "More than %d drm nodes detected. "
+ "Please report a bug - that should not happen.\n"
+ "Skipping extra nodes\n", MAX_DRM_NODES);
+ break;
}
-
local_devices[i] = d;
i++;
}
drmFoldDuplicatedDevices(local_devices, node_count);
+ *device = NULL;
+
for (i = 0; i < node_count; i++) {
if (!local_devices[i])
continue;
}
closedir(sysdir);
- free(local_devices);
if (*device == NULL)
return -ENODEV;
return 0;
-
-free_devices:
- drmFreeDevices(local_devices, i);
- closedir(sysdir);
-
-free_locals:
- free(local_devices);
- return ret;
#endif
}
*
* \return zero on success, negative error code otherwise.
*/
-int drmGetDevice(int fd, drmDevicePtr *device)
+drm_public int drmGetDevice(int fd, drmDevicePtr *device)
{
return drmGetDevice2(fd, DRM_DEVICE_GET_PCI_REVISION, device);
}
* \note Unlike drmGetDevices it does not retrieve the pci device revision field
* unless the DRM_DEVICE_GET_PCI_REVISION \p flag is set.
*/
-int drmGetDevices2(uint32_t flags, drmDevicePtr devices[], int max_devices)
+drm_public int drmGetDevices2(uint32_t flags, drmDevicePtr devices[],
+ int max_devices)
{
- drmDevicePtr *local_devices;
+ drmDevicePtr local_devices[MAX_DRM_NODES];
drmDevicePtr device;
DIR *sysdir;
struct dirent *dent;
int ret, i, node_count, device_count;
- int max_count = 16;
if (drm_device_validate_flags(flags))
return -EINVAL;
- local_devices = calloc(max_count, sizeof(drmDevicePtr));
- if (local_devices == NULL)
- return -ENOMEM;
-
sysdir = opendir(DRM_DIR_NAME);
- if (!sysdir) {
- ret = -errno;
- goto free_locals;
- }
+ if (!sysdir)
+ return -errno;
i = 0;
while ((dent = readdir(sysdir))) {
if (ret)
continue;
- if (i >= max_count) {
- drmDevicePtr *temp;
-
- max_count += 16;
- temp = realloc(local_devices, max_count * sizeof(drmDevicePtr));
- if (!temp)
- goto free_devices;
- local_devices = temp;
+ if (i >= MAX_DRM_NODES) {
+ fprintf(stderr, "More than %d drm nodes detected. "
+ "Please report a bug - that should not happen.\n"
+ "Skipping extra nodes\n", MAX_DRM_NODES);
+ break;
}
-
local_devices[i] = device;
i++;
}
}
closedir(sysdir);
- free(local_devices);
return device_count;
-
-free_devices:
- drmFreeDevices(local_devices, i);
- closedir(sysdir);
-
-free_locals:
- free(local_devices);
- return ret;
}
/**
* alternatively the number of devices stored in devices[], which is
* capped by the max_devices.
*/
-int drmGetDevices(drmDevicePtr devices[], int max_devices)
+drm_public int drmGetDevices(drmDevicePtr devices[], int max_devices)
{
return drmGetDevices2(DRM_DEVICE_GET_PCI_REVISION, devices, max_devices);
}
-char *drmGetDeviceNameFromFd2(int fd)
+drm_public char *drmGetDeviceNameFromFd2(int fd)
{
#ifdef __linux__
struct stat sbuf;
maj = major(sbuf.st_rdev);
min = minor(sbuf.st_rdev);
- if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode))
+ if (!drmNodeIsDRM(maj, min) || !S_ISCHR(sbuf.st_mode))
return NULL;
snprintf(path, sizeof(path), "/sys/dev/char/%d:%d", maj, min);
maj = major(sbuf.st_rdev);
min = minor(sbuf.st_rdev);
- if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode))
+ if (!drmNodeIsDRM(maj, min) || !S_ISCHR(sbuf.st_mode))
return NULL;
node_type = drmGetMinorType(min);
#endif
}
-int drmSyncobjCreate(int fd, uint32_t flags, uint32_t *handle)
+drm_public int drmSyncobjCreate(int fd, uint32_t flags, uint32_t *handle)
{
struct drm_syncobj_create args;
int ret;
return 0;
}
-int drmSyncobjDestroy(int fd, uint32_t handle)
+drm_public int drmSyncobjDestroy(int fd, uint32_t handle)
{
struct drm_syncobj_destroy args;
return drmIoctl(fd, DRM_IOCTL_SYNCOBJ_DESTROY, &args);
}
-int drmSyncobjHandleToFD(int fd, uint32_t handle, int *obj_fd)
+drm_public int drmSyncobjHandleToFD(int fd, uint32_t handle, int *obj_fd)
{
struct drm_syncobj_handle args;
int ret;
return 0;
}
-int drmSyncobjFDToHandle(int fd, int obj_fd, uint32_t *handle)
+drm_public int drmSyncobjFDToHandle(int fd, int obj_fd, uint32_t *handle)
{
struct drm_syncobj_handle args;
int ret;
return 0;
}
-int drmSyncobjImportSyncFile(int fd, uint32_t handle, int sync_file_fd)
+drm_public int drmSyncobjImportSyncFile(int fd, uint32_t handle,
+ int sync_file_fd)
{
struct drm_syncobj_handle args;
return drmIoctl(fd, DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE, &args);
}
-int drmSyncobjExportSyncFile(int fd, uint32_t handle, int *sync_file_fd)
+drm_public int drmSyncobjExportSyncFile(int fd, uint32_t handle,
+ int *sync_file_fd)
{
struct drm_syncobj_handle args;
int ret;
return 0;
}
-int drmSyncobjWait(int fd, uint32_t *handles, unsigned num_handles,
- int64_t timeout_nsec, unsigned flags,
- uint32_t *first_signaled)
+drm_public int drmSyncobjWait(int fd, uint32_t *handles, unsigned num_handles,
+ int64_t timeout_nsec, unsigned flags,
+ uint32_t *first_signaled)
{
struct drm_syncobj_wait args;
int ret;
return ret;
}
-int drmSyncobjReset(int fd, const uint32_t *handles, uint32_t handle_count)
+drm_public int drmSyncobjReset(int fd, const uint32_t *handles,
+ uint32_t handle_count)
{
struct drm_syncobj_array args;
int ret;
return ret;
}
-int drmSyncobjSignal(int fd, const uint32_t *handles, uint32_t handle_count)
+drm_public int drmSyncobjSignal(int fd, const uint32_t *handles,
+ uint32_t handle_count)
{
struct drm_syncobj_array args;
int ret;
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