[PATCH libdrm 1/1] xf86drm.c: Fix mix of tabs and spaces
Jan Vesely
jan.vesely at rutgers.edu
Thu Jun 30 18:22:52 UTC 2016
Remove whitespace at the end of line.
diff -b shows only two removed lines
Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
---
xf86drm.c | 1444 ++++++++++++++++++++++++++++++-------------------------------
1 file changed, 721 insertions(+), 723 deletions(-)
diff --git a/xf86drm.c b/xf86drm.c
index 804a413..e99f2e2 100644
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -1,5 +1,5 @@
/**
- * \file xf86drm.c
+ * \file xf86drm.c
* User-level interface to DRM device
*
* \author Rickard E. (Rik) Faith <faith at valinux.com>
@@ -70,13 +70,13 @@
#include "util_math.h"
#ifdef __OpenBSD__
-#define DRM_PRIMARY_MINOR_NAME "drm"
-#define DRM_CONTROL_MINOR_NAME "drmC"
-#define DRM_RENDER_MINOR_NAME "drmR"
+#define DRM_PRIMARY_MINOR_NAME "drm"
+#define DRM_CONTROL_MINOR_NAME "drmC"
+#define DRM_RENDER_MINOR_NAME "drmR"
#else
-#define DRM_PRIMARY_MINOR_NAME "card"
-#define DRM_CONTROL_MINOR_NAME "controlD"
-#define DRM_RENDER_MINOR_NAME "renderD"
+#define DRM_PRIMARY_MINOR_NAME "card"
+#define DRM_CONTROL_MINOR_NAME "controlD"
+#define DRM_RENDER_MINOR_NAME "renderD"
#endif
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
@@ -96,7 +96,7 @@
#endif /* __OpenBSD__ */
#ifndef DRM_MAJOR
-#define DRM_MAJOR 226 /* Linux */
+#define DRM_MAJOR 226 /* Linux */
#endif
#define DRM_MSG_VERBOSITY 3
@@ -128,18 +128,18 @@ drmDebugPrint(const char *format, va_list ap)
void
drmMsg(const char *format, ...)
{
- va_list ap;
+ va_list ap;
const char *env;
if (((env = getenv("LIBGL_DEBUG")) && strstr(env, "verbose")) ||
(drm_server_info && drm_server_info->debug_print))
{
- va_start(ap, format);
- if (drm_server_info) {
- drm_server_info->debug_print(format,ap);
- } else {
- drmDebugPrint(format, ap);
- }
- va_end(ap);
+ va_start(ap, format);
+ if (drm_server_info) {
+ drm_server_info->debug_print(format,ap);
+ } else {
+ drmDebugPrint(format, ap);
+ }
+ va_end(ap);
}
}
@@ -166,10 +166,10 @@ void drmFree(void *pt)
int
drmIoctl(int fd, unsigned long request, void *arg)
{
- int ret;
+ int ret;
do {
- ret = ioctl(fd, request, arg);
+ ret = ioctl(fd, request, arg);
} while (ret == -1 && (errno == EINTR || errno == EAGAIN));
return ret;
}
@@ -190,16 +190,16 @@ drmHashEntry *drmGetEntry(int fd)
drmHashEntry *entry;
if (!drmHashTable)
- drmHashTable = drmHashCreate();
+ drmHashTable = drmHashCreate();
if (drmHashLookup(drmHashTable, key, &value)) {
- entry = drmMalloc(sizeof(*entry));
- entry->fd = fd;
- entry->f = NULL;
- entry->tagTable = drmHashCreate();
- drmHashInsert(drmHashTable, key, entry);
+ entry = drmMalloc(sizeof(*entry));
+ entry->fd = fd;
+ entry->f = NULL;
+ entry->tagTable = drmHashCreate();
+ drmHashInsert(drmHashTable, key, entry);
} else {
- entry = value;
+ entry = value;
}
return entry;
}
@@ -221,41 +221,41 @@ static int drmMatchBusID(const char *id1, const char *id2, int pci_domain_ok)
{
/* First, check if the IDs are exactly the same */
if (strcasecmp(id1, id2) == 0)
- return 1;
+ return 1;
/* Try to match old/new-style PCI bus IDs. */
if (strncasecmp(id1, "pci", 3) == 0) {
- unsigned int o1, b1, d1, f1;
- unsigned int o2, b2, d2, f2;
- int ret;
-
- ret = sscanf(id1, "pci:%04x:%02x:%02x.%u", &o1, &b1, &d1, &f1);
- if (ret != 4) {
- o1 = 0;
- ret = sscanf(id1, "PCI:%u:%u:%u", &b1, &d1, &f1);
- if (ret != 3)
- return 0;
- }
-
- ret = sscanf(id2, "pci:%04x:%02x:%02x.%u", &o2, &b2, &d2, &f2);
- if (ret != 4) {
- o2 = 0;
- ret = sscanf(id2, "PCI:%u:%u:%u", &b2, &d2, &f2);
- if (ret != 3)
- return 0;
- }
-
- /* If domains aren't properly supported by the kernel interface,
- * just ignore them, which sucks less than picking a totally random
- * card with "open by name"
- */
- if (!pci_domain_ok)
- o1 = o2 = 0;
-
- if ((o1 != o2) || (b1 != b2) || (d1 != d2) || (f1 != f2))
- return 0;
- else
- return 1;
+ unsigned int o1, b1, d1, f1;
+ unsigned int o2, b2, d2, f2;
+ int ret;
+
+ ret = sscanf(id1, "pci:%04x:%02x:%02x.%u", &o1, &b1, &d1, &f1);
+ if (ret != 4) {
+ o1 = 0;
+ ret = sscanf(id1, "PCI:%u:%u:%u", &b1, &d1, &f1);
+ if (ret != 3)
+ return 0;
+ }
+
+ ret = sscanf(id2, "pci:%04x:%02x:%02x.%u", &o2, &b2, &d2, &f2);
+ if (ret != 4) {
+ o2 = 0;
+ ret = sscanf(id2, "PCI:%u:%u:%u", &b2, &d2, &f2);
+ if (ret != 3)
+ return 0;
+ }
+
+ /* If domains aren't properly supported by the kernel interface,
+ * just ignore them, which sucks less than picking a totally random
+ * card with "open by name"
+ */
+ if (!pci_domain_ok)
+ o1 = o2 = 0;
+
+ if ((o1 != o2) || (b1 != b2) || (d1 != d2) || (f1 != f2))
+ return 0;
+ else
+ return 1;
}
return 0;
}
@@ -277,18 +277,18 @@ static int drmMatchBusID(const char *id1, const char *id2, int pci_domain_ok)
#if !defined(UDEV)
static int chown_check_return(const char *path, uid_t owner, gid_t group)
{
- int rv;
+ int rv;
- do {
- rv = chown(path, owner, group);
- } while (rv != 0 && errno == EINTR);
+ do {
+ rv = chown(path, owner, group);
+ } while (rv != 0 && errno == EINTR);
- if (rv == 0)
- return 0;
+ if (rv == 0)
+ return 0;
- drmMsg("Failed to change owner or group for file %s! %d: %s\n",
- path, errno, strerror(errno));
- return -1;
+ drmMsg("Failed to change owner or group for file %s! %d: %s\n",
+ path, errno, strerror(errno));
+ return -1;
}
#endif
@@ -297,7 +297,7 @@ static int chown_check_return(const char *path, uid_t owner, gid_t group)
*
* \param dev major and minor numbers of the device.
* \param minor minor number of the device.
- *
+ *
* \return a file descriptor on success, or a negative value on error.
*
* \internal
@@ -321,99 +321,99 @@ static int drmOpenDevice(dev_t dev, int minor, int type)
switch (type) {
case DRM_NODE_PRIMARY:
- dev_name = DRM_DEV_NAME;
- break;
+ dev_name = DRM_DEV_NAME;
+ break;
case DRM_NODE_CONTROL:
- dev_name = DRM_CONTROL_DEV_NAME;
- break;
+ dev_name = DRM_CONTROL_DEV_NAME;
+ break;
case DRM_NODE_RENDER:
- dev_name = DRM_RENDER_DEV_NAME;
- break;
+ dev_name = DRM_RENDER_DEV_NAME;
+ break;
default:
- return -EINVAL;
+ return -EINVAL;
};
sprintf(buf, dev_name, DRM_DIR_NAME, minor);
drmMsg("drmOpenDevice: node name is %s\n", buf);
if (drm_server_info && drm_server_info->get_perms) {
- drm_server_info->get_perms(&serv_group, &serv_mode);
- devmode = serv_mode ? serv_mode : DRM_DEV_MODE;
- devmode &= ~(S_IXUSR|S_IXGRP|S_IXOTH);
+ drm_server_info->get_perms(&serv_group, &serv_mode);
+ devmode = serv_mode ? serv_mode : DRM_DEV_MODE;
+ devmode &= ~(S_IXUSR|S_IXGRP|S_IXOTH);
}
#if !defined(UDEV)
if (stat(DRM_DIR_NAME, &st)) {
- if (!isroot)
- return DRM_ERR_NOT_ROOT;
- mkdir(DRM_DIR_NAME, DRM_DEV_DIRMODE);
- chown_check_return(DRM_DIR_NAME, 0, 0); /* root:root */
- chmod(DRM_DIR_NAME, DRM_DEV_DIRMODE);
+ if (!isroot)
+ return DRM_ERR_NOT_ROOT;
+ mkdir(DRM_DIR_NAME, DRM_DEV_DIRMODE);
+ chown_check_return(DRM_DIR_NAME, 0, 0); /* root:root */
+ chmod(DRM_DIR_NAME, DRM_DEV_DIRMODE);
}
/* Check if the device node exists and create it if necessary. */
if (stat(buf, &st)) {
- if (!isroot)
- return DRM_ERR_NOT_ROOT;
- remove(buf);
- mknod(buf, S_IFCHR | devmode, dev);
+ if (!isroot)
+ return DRM_ERR_NOT_ROOT;
+ remove(buf);
+ mknod(buf, S_IFCHR | devmode, dev);
}
if (drm_server_info && drm_server_info->get_perms) {
- group = ((int)serv_group >= 0) ? serv_group : DRM_DEV_GID;
- chown_check_return(buf, user, group);
- chmod(buf, devmode);
+ group = ((int)serv_group >= 0) ? serv_group : DRM_DEV_GID;
+ chown_check_return(buf, user, group);
+ chmod(buf, devmode);
}
#else
/* if we modprobed then wait for udev */
{
- int udev_count = 0;
+ int udev_count = 0;
wait_for_udev:
if (stat(DRM_DIR_NAME, &st)) {
- usleep(20);
- udev_count++;
-
- if (udev_count == 50)
- return -1;
- goto wait_for_udev;
- }
-
- if (stat(buf, &st)) {
- usleep(20);
- udev_count++;
-
- if (udev_count == 50)
- return -1;
- goto wait_for_udev;
- }
+ usleep(20);
+ udev_count++;
+
+ if (udev_count == 50)
+ return -1;
+ goto wait_for_udev;
+ }
+
+ if (stat(buf, &st)) {
+ usleep(20);
+ udev_count++;
+
+ if (udev_count == 50)
+ return -1;
+ goto wait_for_udev;
+ }
}
#endif
fd = open(buf, O_RDWR, 0);
drmMsg("drmOpenDevice: open result is %d, (%s)\n",
- fd, fd < 0 ? strerror(errno) : "OK");
+ fd, fd < 0 ? strerror(errno) : "OK");
if (fd >= 0)
- return fd;
+ return fd;
#if !defined(UDEV)
/* Check if the device node is not what we expect it to be, and recreate it
* and try again if so.
*/
if (st.st_rdev != dev) {
- if (!isroot)
- return DRM_ERR_NOT_ROOT;
- remove(buf);
- mknod(buf, S_IFCHR | devmode, dev);
- if (drm_server_info && drm_server_info->get_perms) {
- chown_check_return(buf, user, group);
- chmod(buf, devmode);
- }
+ if (!isroot)
+ return DRM_ERR_NOT_ROOT;
+ remove(buf);
+ mknod(buf, S_IFCHR | devmode, dev);
+ if (drm_server_info && drm_server_info->get_perms) {
+ chown_check_return(buf, user, group);
+ chmod(buf, devmode);
+ }
}
fd = open(buf, O_RDWR, 0);
drmMsg("drmOpenDevice: open result is %d, (%s)\n",
- fd, fd < 0 ? strerror(errno) : "OK");
+ fd, fd < 0 ? strerror(errno) : "OK");
if (fd >= 0)
- return fd;
+ return fd;
drmMsg("drmOpenDevice: Open failed\n");
remove(buf);
@@ -429,7 +429,7 @@ wait_for_udev:
* \param create allow to create the device if set.
*
* \return a file descriptor on success, or a negative value on error.
- *
+ *
* \internal
* Calls drmOpenDevice() if \p create is set, otherwise assembles the device
* name from \p minor and opens it.
@@ -439,37 +439,37 @@ static int drmOpenMinor(int minor, int create, int type)
int fd;
char buf[64];
const char *dev_name;
-
+
if (create)
- return drmOpenDevice(makedev(DRM_MAJOR, minor), minor, type);
-
+ return drmOpenDevice(makedev(DRM_MAJOR, minor), minor, type);
+
switch (type) {
case DRM_NODE_PRIMARY:
- dev_name = DRM_DEV_NAME;
- break;
+ dev_name = DRM_DEV_NAME;
+ break;
case DRM_NODE_CONTROL:
- dev_name = DRM_CONTROL_DEV_NAME;
- break;
+ dev_name = DRM_CONTROL_DEV_NAME;
+ break;
case DRM_NODE_RENDER:
- dev_name = DRM_RENDER_DEV_NAME;
- break;
+ dev_name = DRM_RENDER_DEV_NAME;
+ break;
default:
- return -EINVAL;
+ return -EINVAL;
};
sprintf(buf, dev_name, DRM_DIR_NAME, minor);
if ((fd = open(buf, O_RDWR, 0)) >= 0)
- return fd;
+ return fd;
return -errno;
}
/**
* Determine whether the DRM kernel driver has been loaded.
- *
+ *
* \return 1 if the DRM driver is loaded, 0 otherwise.
*
- * \internal
+ * \internal
* Determine the presence of the kernel driver by attempting to open the 0
* minor and get version information. For backward compatibility with older
* Linux implementations, /proc/dri is also checked.
@@ -482,16 +482,16 @@ int drmAvailable(void)
if ((fd = drmOpenMinor(0, 1, DRM_NODE_PRIMARY)) < 0) {
#ifdef __linux__
- /* Try proc for backward Linux compatibility */
- if (!access("/proc/dri/0", R_OK))
- return 1;
+ /* Try proc for backward Linux compatibility */
+ if (!access("/proc/dri/0", R_OK))
+ return 1;
#endif
- return 0;
+ return 0;
}
-
+
if ((version = drmGetVersion(fd))) {
- retval = 1;
- drmFreeVersion(version);
+ retval = 1;
+ drmFreeVersion(version);
}
close(fd);
@@ -570,37 +570,37 @@ static int drmOpenByBusid(const char *busid, int type)
drmMsg("drmOpenByBusid: Searching for BusID %s\n", busid);
for (i = base; i < base + DRM_MAX_MINOR; i++) {
- fd = drmOpenMinor(i, 1, type);
- drmMsg("drmOpenByBusid: drmOpenMinor returns %d\n", fd);
- if (fd >= 0) {
- /* We need to try for 1.4 first for proper PCI domain support
- * and if that fails, we know the kernel is busted
- */
- sv.drm_di_major = 1;
- sv.drm_di_minor = 4;
- sv.drm_dd_major = -1; /* Don't care */
- sv.drm_dd_minor = -1; /* Don't care */
- if (drmSetInterfaceVersion(fd, &sv)) {
+ fd = drmOpenMinor(i, 1, type);
+ drmMsg("drmOpenByBusid: drmOpenMinor returns %d\n", fd);
+ if (fd >= 0) {
+ /* We need to try for 1.4 first for proper PCI domain support
+ * and if that fails, we know the kernel is busted
+ */
+ sv.drm_di_major = 1;
+ sv.drm_di_minor = 4;
+ sv.drm_dd_major = -1; /* Don't care */
+ sv.drm_dd_minor = -1; /* Don't care */
+ if (drmSetInterfaceVersion(fd, &sv)) {
#ifndef __alpha__
- pci_domain_ok = 0;
+ pci_domain_ok = 0;
#endif
- sv.drm_di_major = 1;
- sv.drm_di_minor = 1;
- sv.drm_dd_major = -1; /* Don't care */
- sv.drm_dd_minor = -1; /* Don't care */
- drmMsg("drmOpenByBusid: Interface 1.4 failed, trying 1.1\n");
- drmSetInterfaceVersion(fd, &sv);
- }
- buf = drmGetBusid(fd);
- drmMsg("drmOpenByBusid: drmGetBusid reports %s\n", buf);
- if (buf && drmMatchBusID(buf, busid, pci_domain_ok)) {
- drmFreeBusid(buf);
- return fd;
- }
- if (buf)
- drmFreeBusid(buf);
- close(fd);
- }
+ sv.drm_di_major = 1;
+ sv.drm_di_minor = 1;
+ sv.drm_dd_major = -1; /* Don't care */
+ sv.drm_dd_minor = -1; /* Don't care */
+ drmMsg("drmOpenByBusid: Interface 1.4 failed, trying 1.1\n");
+ drmSetInterfaceVersion(fd, &sv);
+ }
+ buf = drmGetBusid(fd);
+ drmMsg("drmOpenByBusid: drmGetBusid reports %s\n", buf);
+ if (buf && drmMatchBusID(buf, busid, pci_domain_ok)) {
+ drmFreeBusid(buf);
+ return fd;
+ }
+ if (buf)
+ drmFreeBusid(buf);
+ close(fd);
+ }
}
return -1;
}
@@ -611,14 +611,14 @@ static int drmOpenByBusid(const char *busid, int type)
*
* \param name driver name.
* \param type the device node type.
- *
+ *
* \return a file descriptor on success, or a negative value on error.
- *
+ *
* \internal
* This function opens the first minor number that matches the driver name and
* isn't already in use. If it's in use it then it will already have a bus ID
* assigned.
- *
+ *
* \sa drmOpenMinor(), drmGetVersion() and drmGetBusid().
*/
static int drmOpenByName(const char *name, int type)
@@ -637,56 +637,56 @@ static int drmOpenByName(const char *name, int type)
* already in use. If it's in use it will have a busid assigned already.
*/
for (i = base; i < base + DRM_MAX_MINOR; i++) {
- if ((fd = drmOpenMinor(i, 1, type)) >= 0) {
- if ((version = drmGetVersion(fd))) {
- if (!strcmp(version->name, name)) {
- drmFreeVersion(version);
- id = drmGetBusid(fd);
- drmMsg("drmGetBusid returned '%s'\n", id ? id : "NULL");
- if (!id || !*id) {
- if (id)
- drmFreeBusid(id);
- return fd;
- } else {
- drmFreeBusid(id);
- }
- } else {
- drmFreeVersion(version);
- }
- }
- close(fd);
- }
+ if ((fd = drmOpenMinor(i, 1, type)) >= 0) {
+ if ((version = drmGetVersion(fd))) {
+ if (!strcmp(version->name, name)) {
+ drmFreeVersion(version);
+ id = drmGetBusid(fd);
+ drmMsg("drmGetBusid returned '%s'\n", id ? id : "NULL");
+ if (!id || !*id) {
+ if (id)
+ drmFreeBusid(id);
+ return fd;
+ } else {
+ drmFreeBusid(id);
+ }
+ } else {
+ drmFreeVersion(version);
+ }
+ }
+ close(fd);
+ }
}
#ifdef __linux__
/* Backward-compatibility /proc support */
for (i = 0; i < 8; i++) {
- char proc_name[64], buf[512];
- char *driver, *pt, *devstring;
- int retcode;
-
- sprintf(proc_name, "/proc/dri/%d/name", i);
- if ((fd = open(proc_name, 0, 0)) >= 0) {
- retcode = read(fd, buf, sizeof(buf)-1);
- close(fd);
- if (retcode) {
- buf[retcode-1] = '\0';
- for (driver = pt = buf; *pt && *pt != ' '; ++pt)
- ;
- if (*pt) { /* Device is next */
- *pt = '\0';
- if (!strcmp(driver, name)) { /* Match */
- for (devstring = ++pt; *pt && *pt != ' '; ++pt)
- ;
- if (*pt) { /* Found busid */
- return drmOpenByBusid(++pt, type);
- } else { /* No busid */
- return drmOpenDevice(strtol(devstring, NULL, 0),i, type);
- }
- }
- }
- }
- }
+ char proc_name[64], buf[512];
+ char *driver, *pt, *devstring;
+ int retcode;
+
+ sprintf(proc_name, "/proc/dri/%d/name", i);
+ if ((fd = open(proc_name, 0, 0)) >= 0) {
+ retcode = read(fd, buf, sizeof(buf)-1);
+ close(fd);
+ if (retcode) {
+ buf[retcode-1] = '\0';
+ for (driver = pt = buf; *pt && *pt != ' '; ++pt)
+ ;
+ if (*pt) { /* Device is next */
+ *pt = '\0';
+ if (!strcmp(driver, name)) { /* Match */
+ for (devstring = ++pt; *pt && *pt != ' '; ++pt)
+ ;
+ if (*pt) { /* Found busid */
+ return drmOpenByBusid(++pt, type);
+ } else { /* No busid */
+ return drmOpenDevice(strtol(devstring, NULL, 0),i, type);
+ }
+ }
+ }
+ }
+ }
}
#endif
@@ -702,9 +702,9 @@ static int drmOpenByName(const char *name, int type)
*
* \param name driver name. Not referenced if bus ID is supplied.
* \param busid bus ID. Zero if not known.
- *
+ *
* \return a file descriptor on success, or a negative value on error.
- *
+ *
* \internal
* It calls drmOpenByBusid() if \p busid is specified or drmOpenByName()
* otherwise.
@@ -734,21 +734,21 @@ int drmOpenWithType(const char *name, const char *busid, int type)
{
if (!drmAvailable() && name != NULL && drm_server_info &&
drm_server_info->load_module) {
- /* try to load the kernel module */
- if (!drm_server_info->load_module(name)) {
- drmMsg("[drm] failed to load kernel module \"%s\"\n", name);
- return -1;
- }
+ /* try to load the kernel module */
+ if (!drm_server_info->load_module(name)) {
+ drmMsg("[drm] failed to load kernel module \"%s\"\n", name);
+ return -1;
+ }
}
if (busid) {
- int fd = drmOpenByBusid(busid, type);
- if (fd >= 0)
- return fd;
+ int fd = drmOpenByBusid(busid, type);
+ if (fd >= 0)
+ return fd;
}
-
+
if (name)
- return drmOpenByName(name, type);
+ return drmOpenByName(name, type);
return -1;
}
@@ -775,7 +775,7 @@ int drmOpenRender(int minor)
void drmFreeVersion(drmVersionPtr v)
{
if (!v)
- return;
+ return;
drmFree(v->name);
drmFree(v->date);
drmFree(v->desc);
@@ -795,7 +795,7 @@ void drmFreeVersion(drmVersionPtr v)
static void drmFreeKernelVersion(drm_version_t *v)
{
if (!v)
- return;
+ return;
drmFree(v->name);
drmFree(v->date);
drmFree(v->desc);
@@ -805,10 +805,10 @@ static void drmFreeKernelVersion(drm_version_t *v)
/**
* Copy version information.
- *
+ *
* \param d destination pointer.
* \param s source pointer.
- *
+ *
* \internal
* Used by drmGetVersion() to translate the information returned by the ioctl
* interface in a private structure into the public structure counterpart.
@@ -831,12 +831,12 @@ static void drmCopyVersion(drmVersionPtr d, const drm_version_t *s)
* Query the driver version information.
*
* \param fd file descriptor.
- *
+ *
* \return pointer to a drmVersion structure which should be freed with
* drmFreeVersion().
- *
+ *
* \note Similar information is available via /proc/dri.
- *
+ *
* \internal
* It gets the version information via successive DRM_IOCTL_VERSION ioctls,
* first with zeros to get the string lengths, and then the actually strings.
@@ -850,21 +850,21 @@ drmVersionPtr drmGetVersion(int fd)
memclear(*version);
if (drmIoctl(fd, DRM_IOCTL_VERSION, version)) {
- drmFreeKernelVersion(version);
- return NULL;
+ drmFreeKernelVersion(version);
+ return NULL;
}
if (version->name_len)
- version->name = drmMalloc(version->name_len + 1);
+ version->name = drmMalloc(version->name_len + 1);
if (version->date_len)
- version->date = drmMalloc(version->date_len + 1);
+ version->date = drmMalloc(version->date_len + 1);
if (version->desc_len)
- version->desc = drmMalloc(version->desc_len + 1);
+ version->desc = drmMalloc(version->desc_len + 1);
if (drmIoctl(fd, DRM_IOCTL_VERSION, version)) {
- drmMsg("DRM_IOCTL_VERSION: %s\n", strerror(errno));
- drmFreeKernelVersion(version);
- return NULL;
+ drmMsg("DRM_IOCTL_VERSION: %s\n", strerror(errno));
+ drmFreeKernelVersion(version);
+ return NULL;
}
/* The results might not be null-terminated strings, so terminate them. */
@@ -881,13 +881,13 @@ drmVersionPtr drmGetVersion(int fd)
/**
* Get version information for the DRM user space library.
- *
+ *
* This version number is driver independent.
- *
+ *
* \param fd file descriptor.
*
* \return version information.
- *
+ *
* \internal
* This function allocates and fills a drm_version structure with a hard coded
* version number.
@@ -915,29 +915,29 @@ drmVersionPtr drmGetLibVersion(int fd)
int drmGetCap(int fd, uint64_t capability, uint64_t *value)
{
- struct drm_get_cap cap;
- int ret;
+ struct drm_get_cap cap;
+ int ret;
- memclear(cap);
- cap.capability = capability;
+ memclear(cap);
+ cap.capability = capability;
- ret = drmIoctl(fd, DRM_IOCTL_GET_CAP, &cap);
- if (ret)
- return ret;
+ ret = drmIoctl(fd, DRM_IOCTL_GET_CAP, &cap);
+ if (ret)
+ return ret;
- *value = cap.value;
- return 0;
+ *value = cap.value;
+ return 0;
}
int drmSetClientCap(int fd, uint64_t capability, uint64_t value)
{
- struct drm_set_client_cap cap;
+ struct drm_set_client_cap cap;
- memclear(cap);
- cap.capability = capability;
- cap.value = value;
+ memclear(cap);
+ cap.capability = capability;
+ cap.value = value;
- return drmIoctl(fd, DRM_IOCTL_SET_CLIENT_CAP, &cap);
+ return drmIoctl(fd, DRM_IOCTL_SET_CLIENT_CAP, &cap);
}
/**
@@ -973,10 +973,10 @@ char *drmGetBusid(int fd)
memclear(u);
if (drmIoctl(fd, DRM_IOCTL_GET_UNIQUE, &u))
- return NULL;
+ return NULL;
u.unique = drmMalloc(u.unique_len + 1);
if (drmIoctl(fd, DRM_IOCTL_GET_UNIQUE, &u))
- return NULL;
+ return NULL;
u.unique[u.unique_len] = '\0';
return u.unique;
@@ -1004,7 +1004,7 @@ int drmSetBusid(int fd, const char *busid)
u.unique_len = strlen(busid);
if (drmIoctl(fd, DRM_IOCTL_SET_UNIQUE, &u)) {
- return -errno;
+ return -errno;
}
return 0;
}
@@ -1017,7 +1017,7 @@ int drmGetMagic(int fd, drm_magic_t * magic)
*magic = 0;
if (drmIoctl(fd, DRM_IOCTL_GET_MAGIC, &auth))
- return -errno;
+ return -errno;
*magic = auth.magic;
return 0;
}
@@ -1029,7 +1029,7 @@ int drmAuthMagic(int fd, drm_magic_t magic)
memclear(auth);
auth.magic = magic;
if (drmIoctl(fd, DRM_IOCTL_AUTH_MAGIC, &auth))
- return -errno;
+ return -errno;
return 0;
}
@@ -1045,7 +1045,7 @@ int drmAuthMagic(int fd, drm_magic_t magic)
* \param flags combination of several flags to modify the function actions.
* \param handle will be set to a value that may be used as the offset
* parameter for mmap().
- *
+ *
* \return zero on success or a negative value on error.
*
* \par Mapping the frame buffer
@@ -1056,7 +1056,7 @@ int drmAuthMagic(int fd, drm_magic_t magic)
*
* \par
* The area mapped will be uncached. If MTRR support is available in the
- * kernel, the frame buffer area will be set to write combining.
+ * kernel, the frame buffer area will be set to write combining.
*
* \par Mapping the MMIO register area
* For the MMIO register area,
@@ -1064,19 +1064,19 @@ int drmAuthMagic(int fd, drm_magic_t magic)
* - \p size will be the size of the register area bytes, and
* - \p type will be DRM_REGISTERS.
* \par
- * The area mapped will be uncached.
- *
+ * The area mapped will be uncached.
+ *
* \par Mapping the SAREA
* For the SAREA,
* - \p offset will be ignored and should be set to zero,
* - \p size will be the desired size of the SAREA in bytes,
* - \p type will be DRM_SHM.
- *
+ *
* \par
* A shared memory area of the requested size will be created and locked in
* kernel memory. This area may be mapped into client-space by using the handle
- * returned.
- *
+ * returned.
+ *
* \note May only be called by root.
*
* \internal
@@ -1084,7 +1084,7 @@ int drmAuthMagic(int fd, drm_magic_t magic)
* 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)
+ drmMapFlags flags, drm_handle_t *handle)
{
drm_map_t map;
@@ -1094,9 +1094,9 @@ int drmAddMap(int fd, drm_handle_t offset, drmSize size, drmMapType type,
map.type = type;
map.flags = flags;
if (drmIoctl(fd, DRM_IOCTL_ADD_MAP, &map))
- return -errno;
+ return -errno;
if (handle)
- *handle = (drm_handle_t)(uintptr_t)map.handle;
+ *handle = (drm_handle_t)(uintptr_t)map.handle;
return 0;
}
@@ -1108,18 +1108,18 @@ int drmRmMap(int fd, drm_handle_t handle)
map.handle = (void *)(uintptr_t)handle;
if(drmIoctl(fd, DRM_IOCTL_RM_MAP, &map))
- return -errno;
+ return -errno;
return 0;
}
/**
* Make buffers available for DMA transfers.
- *
+ *
* \param fd file descriptor.
* \param count number of buffers.
* \param size size of each buffer.
* \param flags buffer allocation flags.
- * \param agp_offset offset in the AGP aperture
+ * \param agp_offset offset in the AGP aperture
*
* \return number of buffers allocated, negative on error.
*
@@ -1129,7 +1129,7 @@ int drmRmMap(int fd, drm_handle_t handle)
* \sa drm_buf_desc.
*/
int drmAddBufs(int fd, int count, int size, drmBufDescFlags flags,
- int agp_offset)
+ int agp_offset)
{
drm_buf_desc_t request;
@@ -1140,7 +1140,7 @@ int drmAddBufs(int fd, int count, int size, drmBufDescFlags flags,
request.agp_start = agp_offset;
if (drmIoctl(fd, DRM_IOCTL_ADD_BUFS, &request))
- return -errno;
+ return -errno;
return request.count;
}
@@ -1152,28 +1152,28 @@ int drmMarkBufs(int fd, double low, double high)
memclear(info);
if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info))
- return -EINVAL;
+ return -EINVAL;
if (!info.count)
- return -EINVAL;
+ return -EINVAL;
if (!(info.list = drmMalloc(info.count * sizeof(*info.list))))
- return -ENOMEM;
+ return -ENOMEM;
if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) {
- int retval = -errno;
- drmFree(info.list);
- return retval;
+ int retval = -errno;
+ drmFree(info.list);
+ return retval;
}
for (i = 0; i < info.count; i++) {
- info.list[i].low_mark = low * info.list[i].count;
- info.list[i].high_mark = high * info.list[i].count;
- if (drmIoctl(fd, DRM_IOCTL_MARK_BUFS, &info.list[i])) {
- int retval = -errno;
- drmFree(info.list);
- return retval;
- }
+ info.list[i].low_mark = low * info.list[i].count;
+ info.list[i].high_mark = high * info.list[i].count;
+ if (drmIoctl(fd, DRM_IOCTL_MARK_BUFS, &info.list[i])) {
+ int retval = -errno;
+ drmFree(info.list);
+ return retval;
+ }
}
drmFree(info.list);
@@ -1188,9 +1188,9 @@ int drmMarkBufs(int fd, double low, double high)
* \param list list of buffers to be freed.
*
* \return zero on success, or a negative value on failure.
- *
+ *
* \note This function is primarily used for debugging.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_FREE_BUFS ioctl, passing
* the arguments in a drm_buf_free structure.
@@ -1203,7 +1203,7 @@ int drmFreeBufs(int fd, int count, int *list)
request.count = count;
request.list = list;
if (drmIoctl(fd, DRM_IOCTL_FREE_BUFS, &request))
- return -errno;
+ return -errno;
return 0;
}
@@ -1243,7 +1243,7 @@ int drmClose(int fd)
* begins.
*
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
* This function is a wrapper for mmap().
*/
@@ -1252,16 +1252,16 @@ int drmMap(int fd, drm_handle_t handle, drmSize size, drmAddressPtr address)
static unsigned long pagesize_mask = 0;
if (fd < 0)
- return -EINVAL;
+ return -EINVAL;
if (!pagesize_mask)
- pagesize_mask = getpagesize() - 1;
+ pagesize_mask = getpagesize() - 1;
size = (size + pagesize_mask) & ~pagesize_mask;
*address = drm_mmap(0, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, handle);
if (*address == MAP_FAILED)
- return -errno;
+ return -errno;
return 0;
}
@@ -1271,7 +1271,7 @@ int drmMap(int fd, drm_handle_t handle, drmSize size, drmAddressPtr address)
*
* \param address address as given by drmMap().
* \param size size in bytes. Must match the size used by drmMap().
- *
+ *
* \return zero on success, or a negative value on failure.
*
* \internal
@@ -1291,28 +1291,28 @@ drmBufInfoPtr drmGetBufInfo(int fd)
memclear(info);
if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info))
- return NULL;
+ return NULL;
if (info.count) {
- if (!(info.list = drmMalloc(info.count * sizeof(*info.list))))
- return NULL;
-
- if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) {
- drmFree(info.list);
- return NULL;
- }
-
- retval = drmMalloc(sizeof(*retval));
- retval->count = info.count;
- retval->list = drmMalloc(info.count * sizeof(*retval->list));
- for (i = 0; i < info.count; i++) {
- retval->list[i].count = info.list[i].count;
- retval->list[i].size = info.list[i].size;
- retval->list[i].low_mark = info.list[i].low_mark;
- retval->list[i].high_mark = info.list[i].high_mark;
- }
- drmFree(info.list);
- return retval;
+ if (!(info.list = drmMalloc(info.count * sizeof(*info.list))))
+ return NULL;
+
+ if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) {
+ drmFree(info.list);
+ return NULL;
+ }
+
+ retval = drmMalloc(sizeof(*retval));
+ retval->count = info.count;
+ retval->list = drmMalloc(info.count * sizeof(*retval->list));
+ for (i = 0; i < info.count; i++) {
+ retval->list[i].count = info.list[i].count;
+ retval->list[i].size = info.list[i].size;
+ retval->list[i].low_mark = info.list[i].low_mark;
+ retval->list[i].high_mark = info.list[i].high_mark;
+ }
+ drmFree(info.list);
+ return retval;
}
return NULL;
}
@@ -1326,12 +1326,12 @@ drmBufInfoPtr drmGetBufInfo(int fd)
*
* \note The client may not use these buffers until obtaining buffer indices
* with drmDMA().
- *
+ *
* \internal
* This function calls the DRM_IOCTL_MAP_BUFS ioctl and copies the returned
* information about the buffers in a drm_buf_map structure into the
* client-visible data structures.
- */
+ */
drmBufMapPtr drmMapBufs(int fd)
{
drm_buf_map_t bufs;
@@ -1340,32 +1340,31 @@ drmBufMapPtr drmMapBufs(int fd)
memclear(bufs);
if (drmIoctl(fd, DRM_IOCTL_MAP_BUFS, &bufs))
- return NULL;
+ return NULL;
if (!bufs.count)
- return NULL;
+ return NULL;
- if (!(bufs.list = drmMalloc(bufs.count * sizeof(*bufs.list))))
- return NULL;
+ if (!(bufs.list = drmMalloc(bufs.count * sizeof(*bufs.list))))
+ return NULL;
- if (drmIoctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) {
- drmFree(bufs.list);
- return NULL;
- }
+ if (drmIoctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) {
+ drmFree(bufs.list);
+ return NULL;
+ }
- retval = drmMalloc(sizeof(*retval));
- retval->count = bufs.count;
- retval->list = drmMalloc(bufs.count * sizeof(*retval->list));
- for (i = 0; i < bufs.count; i++) {
- retval->list[i].idx = bufs.list[i].idx;
- retval->list[i].total = bufs.list[i].total;
- retval->list[i].used = 0;
- retval->list[i].address = bufs.list[i].address;
- }
+ retval = drmMalloc(sizeof(*retval));
+ retval->count = bufs.count;
+ retval->list = drmMalloc(bufs.count * sizeof(*retval->list));
+ for (i = 0; i < bufs.count; i++) {
+ retval->list[i].idx = bufs.list[i].idx;
+ retval->list[i].total = bufs.list[i].total;
+ retval->list[i].used = 0;
+ retval->list[i].address = bufs.list[i].address;
+ }
- drmFree(bufs.list);
-
- return retval;
+ drmFree(bufs.list);
+ return retval;
}
@@ -1383,24 +1382,23 @@ int drmUnmapBufs(drmBufMapPtr bufs)
int i;
for (i = 0; i < bufs->count; i++) {
- drm_munmap(bufs->list[i].address, bufs->list[i].total);
+ drm_munmap(bufs->list[i].address, bufs->list[i].total);
}
drmFree(bufs->list);
drmFree(bufs);
-
return 0;
}
-#define DRM_DMA_RETRY 16
+#define DRM_DMA_RETRY 16
/**
* Reserve DMA buffers.
*
* \param fd file descriptor.
- * \param request
- *
+ * \param request
+ *
* \return zero on success, or a negative value on failure.
*
* \internal
@@ -1424,14 +1422,14 @@ int drmDMA(int fd, drmDMAReqPtr request)
dma.granted_count = 0;
do {
- ret = ioctl( fd, DRM_IOCTL_DMA, &dma );
+ ret = ioctl( fd, DRM_IOCTL_DMA, &dma );
} while ( ret && errno == EAGAIN && i++ < DRM_DMA_RETRY );
if ( ret == 0 ) {
- request->granted_count = dma.granted_count;
- return 0;
+ request->granted_count = dma.granted_count;
+ return 0;
} else {
- return -errno;
+ return -errno;
}
}
@@ -1443,9 +1441,9 @@ int drmDMA(int fd, drmDMAReqPtr request)
* \param context context.
* \param flags flags that determine the sate of the hardware when the function
* returns.
- *
+ *
* \return always zero.
- *
+ *
* \internal
* This function translates the arguments into a drm_lock structure and issue
* the DRM_IOCTL_LOCK ioctl until the lock is successfully acquired.
@@ -1465,7 +1463,7 @@ int drmGetLock(int fd, drm_context_t context, drmLockFlags flags)
if (flags & DRM_HALT_CUR_QUEUES) lock.flags |= _DRM_HALT_CUR_QUEUES;
while (drmIoctl(fd, DRM_IOCTL_LOCK, &lock))
- ;
+ ;
return 0;
}
@@ -1474,9 +1472,9 @@ int drmGetLock(int fd, drm_context_t context, drmLockFlags flags)
*
* \param fd file descriptor.
* \param context context.
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_UNLOCK ioctl, passing the
* argument in a drm_lock structure.
@@ -1499,24 +1497,24 @@ drm_context_t *drmGetReservedContextList(int fd, int *count)
memclear(res);
if (drmIoctl(fd, DRM_IOCTL_RES_CTX, &res))
- return NULL;
+ return NULL;
if (!res.count)
- return NULL;
+ return NULL;
if (!(list = drmMalloc(res.count * sizeof(*list))))
- return NULL;
+ return NULL;
if (!(retval = drmMalloc(res.count * sizeof(*retval)))) {
- drmFree(list);
- return NULL;
+ drmFree(list);
+ return NULL;
}
res.contexts = list;
if (drmIoctl(fd, DRM_IOCTL_RES_CTX, &res))
- return NULL;
+ return NULL;
for (i = 0; i < res.count; i++)
- retval[i] = list[i].handle;
+ retval[i] = list[i].handle;
drmFree(list);
*count = res.count;
@@ -1537,11 +1535,11 @@ void drmFreeReservedContextList(drm_context_t *pt)
* \param fd file descriptor.
* \param handle is set on success. To be used by the client when requesting DMA
* dispatch with drmDMA().
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \note May only be called by root.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_ADD_CTX ioctl, passing the
* argument in a drm_ctx structure.
@@ -1552,7 +1550,7 @@ int drmCreateContext(int fd, drm_context_t *handle)
memclear(ctx);
if (drmIoctl(fd, DRM_IOCTL_ADD_CTX, &ctx))
- return -errno;
+ return -errno;
*handle = ctx.handle;
return 0;
}
@@ -1564,7 +1562,7 @@ int drmSwitchToContext(int fd, drm_context_t context)
memclear(ctx);
ctx.handle = context;
if (drmIoctl(fd, DRM_IOCTL_SWITCH_CTX, &ctx))
- return -errno;
+ return -errno;
return 0;
}
@@ -1581,11 +1579,11 @@ int drmSetContextFlags(int fd, drm_context_t context, drm_context_tFlags flags)
memclear(ctx);
ctx.handle = context;
if (flags & DRM_CONTEXT_PRESERVED)
- ctx.flags |= _DRM_CONTEXT_PRESERVED;
+ ctx.flags |= _DRM_CONTEXT_PRESERVED;
if (flags & DRM_CONTEXT_2DONLY)
- ctx.flags |= _DRM_CONTEXT_2DONLY;
+ ctx.flags |= _DRM_CONTEXT_2DONLY;
if (drmIoctl(fd, DRM_IOCTL_MOD_CTX, &ctx))
- return -errno;
+ return -errno;
return 0;
}
@@ -1597,12 +1595,12 @@ int drmGetContextFlags(int fd, drm_context_t context,
memclear(ctx);
ctx.handle = context;
if (drmIoctl(fd, DRM_IOCTL_GET_CTX, &ctx))
- return -errno;
+ return -errno;
*flags = 0;
if (ctx.flags & _DRM_CONTEXT_PRESERVED)
- *flags |= DRM_CONTEXT_PRESERVED;
+ *flags |= DRM_CONTEXT_PRESERVED;
if (ctx.flags & _DRM_CONTEXT_2DONLY)
- *flags |= DRM_CONTEXT_2DONLY;
+ *flags |= DRM_CONTEXT_2DONLY;
return 0;
}
@@ -1611,14 +1609,14 @@ int drmGetContextFlags(int fd, drm_context_t context,
*
* Free any kernel-level resources allocated with drmCreateContext() associated
* with the context.
- *
+ *
* \param fd file descriptor.
* \param handle handle given by drmCreateContext().
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \note May only be called by root.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_RM_CTX ioctl, passing the
* argument in a drm_ctx structure.
@@ -1630,7 +1628,7 @@ int drmDestroyContext(int fd, drm_context_t handle)
memclear(ctx);
ctx.handle = handle;
if (drmIoctl(fd, DRM_IOCTL_RM_CTX, &ctx))
- return -errno;
+ return -errno;
return 0;
}
@@ -1640,7 +1638,7 @@ int drmCreateDrawable(int fd, drm_drawable_t *handle)
memclear(draw);
if (drmIoctl(fd, DRM_IOCTL_ADD_DRAW, &draw))
- return -errno;
+ return -errno;
*handle = draw.handle;
return 0;
}
@@ -1652,13 +1650,13 @@ int drmDestroyDrawable(int fd, drm_drawable_t handle)
memclear(draw);
draw.handle = handle;
if (drmIoctl(fd, DRM_IOCTL_RM_DRAW, &draw))
- return -errno;
+ return -errno;
return 0;
}
int drmUpdateDrawableInfo(int fd, drm_drawable_t handle,
- drm_drawable_info_type_t type, unsigned int num,
- void *data)
+ drm_drawable_info_type_t type, unsigned int num,
+ void *data)
{
drm_update_draw_t update;
@@ -1669,7 +1667,7 @@ int drmUpdateDrawableInfo(int fd, drm_drawable_t handle,
update.data = (unsigned long long)(unsigned long)data;
if (drmIoctl(fd, DRM_IOCTL_UPDATE_DRAW, &update))
- return -errno;
+ return -errno;
return 0;
}
@@ -1680,16 +1678,16 @@ int drmUpdateDrawableInfo(int fd, drm_drawable_t handle,
* Must be called before any of the other AGP related calls.
*
* \param fd file descriptor.
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_ACQUIRE ioctl.
*/
int drmAgpAcquire(int fd)
{
if (drmIoctl(fd, DRM_IOCTL_AGP_ACQUIRE, NULL))
- return -errno;
+ return -errno;
return 0;
}
@@ -1698,16 +1696,16 @@ int drmAgpAcquire(int fd)
* Release the AGP device.
*
* \param fd file descriptor.
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_RELEASE ioctl.
*/
int drmAgpRelease(int fd)
{
if (drmIoctl(fd, DRM_IOCTL_AGP_RELEASE, NULL))
- return -errno;
+ return -errno;
return 0;
}
@@ -1717,9 +1715,9 @@ int drmAgpRelease(int fd)
*
* \param fd file descriptor.
* \param mode AGP mode.
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_ENABLE ioctl, passing the
* argument in a drm_agp_mode structure.
@@ -1731,7 +1729,7 @@ int drmAgpEnable(int fd, unsigned long mode)
memclear(m);
m.mode = mode;
if (drmIoctl(fd, DRM_IOCTL_AGP_ENABLE, &m))
- return -errno;
+ return -errno;
return 0;
}
@@ -1745,15 +1743,15 @@ int drmAgpEnable(int fd, unsigned long mode)
* \param address if not zero, will be set to the physical address of the
* allocated memory.
* \param handle on success will be set to a handle of the allocated memory.
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
* 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)
+ unsigned long *address, drm_handle_t *handle)
{
drm_agp_buffer_t b;
@@ -1762,9 +1760,9 @@ int drmAgpAlloc(int fd, unsigned long size, unsigned long type,
b.size = size;
b.type = type;
if (drmIoctl(fd, DRM_IOCTL_AGP_ALLOC, &b))
- return -errno;
+ return -errno;
if (address != 0UL)
- *address = b.physical;
+ *address = b.physical;
*handle = b.handle;
return 0;
}
@@ -1775,9 +1773,9 @@ int drmAgpAlloc(int fd, unsigned long size, unsigned long type,
*
* \param fd file descriptor.
* \param handle handle to the allocated memory, as given by drmAgpAllocate().
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_FREE ioctl, passing the
* argument in a drm_agp_buffer structure.
@@ -1789,7 +1787,7 @@ int drmAgpFree(int fd, drm_handle_t handle)
memclear(b);
b.handle = handle;
if (drmIoctl(fd, DRM_IOCTL_AGP_FREE, &b))
- return -errno;
+ return -errno;
return 0;
}
@@ -1800,9 +1798,9 @@ int drmAgpFree(int fd, drm_handle_t handle)
* \param fd file descriptor.
* \param handle handle to the allocated memory, as given by drmAgpAllocate().
* \param offset offset in bytes. It will round to page boundary.
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_BIND ioctl, passing the
* argument in a drm_agp_binding structure.
@@ -1815,7 +1813,7 @@ int drmAgpBind(int fd, drm_handle_t handle, unsigned long offset)
b.handle = handle;
b.offset = offset;
if (drmIoctl(fd, DRM_IOCTL_AGP_BIND, &b))
- return -errno;
+ return -errno;
return 0;
}
@@ -1825,9 +1823,9 @@ int drmAgpBind(int fd, drm_handle_t handle, unsigned long offset)
*
* \param fd file descriptor.
* \param handle handle to the allocated memory, as given by drmAgpAllocate().
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_UNBIND ioctl, passing
* the argument in a drm_agp_binding structure.
@@ -1839,7 +1837,7 @@ int drmAgpUnbind(int fd, drm_handle_t handle)
memclear(b);
b.handle = handle;
if (drmIoctl(fd, DRM_IOCTL_AGP_UNBIND, &b))
- return -errno;
+ return -errno;
return 0;
}
@@ -1848,9 +1846,9 @@ int drmAgpUnbind(int fd, drm_handle_t handle)
* Get AGP driver major version number.
*
* \param fd file descriptor.
- *
+ *
* \return major version number on success, or a negative value on failure..
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
@@ -1862,7 +1860,7 @@ int drmAgpVersionMajor(int fd)
memclear(i);
if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i))
- return -errno;
+ return -errno;
return i.agp_version_major;
}
@@ -1871,9 +1869,9 @@ int drmAgpVersionMajor(int fd)
* Get AGP driver minor version number.
*
* \param fd file descriptor.
- *
+ *
* \return minor version number on success, or a negative value on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
@@ -1885,7 +1883,7 @@ int drmAgpVersionMinor(int fd)
memclear(i);
if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i))
- return -errno;
+ return -errno;
return i.agp_version_minor;
}
@@ -1894,9 +1892,9 @@ int drmAgpVersionMinor(int fd)
* Get AGP mode.
*
* \param fd file descriptor.
- *
+ *
* \return mode on success, or zero on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
@@ -1908,7 +1906,7 @@ unsigned long drmAgpGetMode(int fd)
memclear(i);
if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i))
- return 0;
+ return 0;
return i.mode;
}
@@ -1917,9 +1915,9 @@ unsigned long drmAgpGetMode(int fd)
* Get AGP aperture base.
*
* \param fd file descriptor.
- *
+ *
* \return aperture base on success, zero on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
@@ -1931,7 +1929,7 @@ unsigned long drmAgpBase(int fd)
memclear(i);
if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i))
- return 0;
+ return 0;
return i.aperture_base;
}
@@ -1940,9 +1938,9 @@ unsigned long drmAgpBase(int fd)
* Get AGP aperture size.
*
* \param fd file descriptor.
- *
+ *
* \return aperture size on success, zero on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
@@ -1954,7 +1952,7 @@ unsigned long drmAgpSize(int fd)
memclear(i);
if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i))
- return 0;
+ return 0;
return i.aperture_size;
}
@@ -1963,9 +1961,9 @@ unsigned long drmAgpSize(int fd)
* Get used AGP memory.
*
* \param fd file descriptor.
- *
+ *
* \return memory used on success, or zero on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
@@ -1977,7 +1975,7 @@ unsigned long drmAgpMemoryUsed(int fd)
memclear(i);
if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i))
- return 0;
+ return 0;
return i.memory_used;
}
@@ -1986,9 +1984,9 @@ unsigned long drmAgpMemoryUsed(int fd)
* Get available AGP memory.
*
* \param fd file descriptor.
- *
+ *
* \return memory available on success, or zero on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
@@ -2000,7 +1998,7 @@ unsigned long drmAgpMemoryAvail(int fd)
memclear(i);
if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i))
- return 0;
+ return 0;
return i.memory_allowed;
}
@@ -2009,9 +2007,9 @@ unsigned long drmAgpMemoryAvail(int fd)
* Get hardware vendor ID.
*
* \param fd file descriptor.
- *
+ *
* \return vendor ID on success, or zero on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
@@ -2023,7 +2021,7 @@ unsigned int drmAgpVendorId(int fd)
memclear(i);
if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i))
- return 0;
+ return 0;
return i.id_vendor;
}
@@ -2032,9 +2030,9 @@ unsigned int drmAgpVendorId(int fd)
* Get hardware device ID.
*
* \param fd file descriptor.
- *
+ *
* \return zero on success, or zero on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the
* necessary information in a drm_agp_info structure.
@@ -2046,7 +2044,7 @@ unsigned int drmAgpDeviceId(int fd)
memclear(i);
if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i))
- return 0;
+ return 0;
return i.id_device;
}
@@ -2059,7 +2057,7 @@ int drmScatterGatherAlloc(int fd, unsigned long size, drm_handle_t *handle)
*handle = 0;
sg.size = size;
if (drmIoctl(fd, DRM_IOCTL_SG_ALLOC, &sg))
- return -errno;
+ return -errno;
*handle = sg.handle;
return 0;
}
@@ -2071,7 +2069,7 @@ int drmScatterGatherFree(int fd, drm_handle_t handle)
memclear(sg);
sg.handle = handle;
if (drmIoctl(fd, DRM_IOCTL_SG_FREE, &sg))
- return -errno;
+ return -errno;
return 0;
}
@@ -2080,9 +2078,9 @@ int drmScatterGatherFree(int fd, drm_handle_t handle)
*
* \param fd file descriptor.
* \param vbl pointer to a drmVBlank structure.
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_WAIT_VBLANK ioctl.
*/
@@ -2093,8 +2091,8 @@ int drmWaitVBlank(int fd, drmVBlankPtr vbl)
ret = clock_gettime(CLOCK_MONOTONIC, &timeout);
if (ret < 0) {
- fprintf(stderr, "clock_gettime failed: %s\n", strerror(errno));
- goto out;
+ fprintf(stderr, "clock_gettime failed: %s\n", strerror(errno));
+ goto out;
}
timeout.tv_sec++;
@@ -2102,15 +2100,15 @@ int drmWaitVBlank(int fd, drmVBlankPtr vbl)
ret = ioctl(fd, DRM_IOCTL_WAIT_VBLANK, vbl);
vbl->request.type &= ~DRM_VBLANK_RELATIVE;
if (ret && errno == EINTR) {
- clock_gettime(CLOCK_MONOTONIC, &cur);
- /* Timeout after 1s */
- if (cur.tv_sec > timeout.tv_sec + 1 ||
- (cur.tv_sec == timeout.tv_sec && cur.tv_nsec >=
- timeout.tv_nsec)) {
- errno = EBUSY;
- ret = -1;
- break;
- }
+ clock_gettime(CLOCK_MONOTONIC, &cur);
+ /* Timeout after 1s */
+ if (cur.tv_sec > timeout.tv_sec + 1 ||
+ (cur.tv_sec == timeout.tv_sec && cur.tv_nsec >=
+ timeout.tv_nsec)) {
+ errno = EBUSY;
+ ret = -1;
+ break;
+ }
}
} while (ret && errno == EINTR);
@@ -2122,22 +2120,22 @@ int drmError(int err, const char *label)
{
switch (err) {
case DRM_ERR_NO_DEVICE:
- fprintf(stderr, "%s: no device\n", label);
- break;
+ fprintf(stderr, "%s: no device\n", label);
+ break;
case DRM_ERR_NO_ACCESS:
- fprintf(stderr, "%s: no access\n", label);
- break;
+ fprintf(stderr, "%s: no access\n", label);
+ break;
case DRM_ERR_NOT_ROOT:
- fprintf(stderr, "%s: not root\n", label);
- break;
+ fprintf(stderr, "%s: not root\n", label);
+ break;
case DRM_ERR_INVALID:
- fprintf(stderr, "%s: invalid args\n", label);
- break;
+ fprintf(stderr, "%s: invalid args\n", label);
+ break;
default:
- if (err < 0)
- err = -err;
- fprintf( stderr, "%s: error %d (%s)\n", label, err, strerror(err) );
- break;
+ if (err < 0)
+ err = -err;
+ fprintf( stderr, "%s: error %d (%s)\n", label, err, strerror(err) );
+ break;
}
return 1;
@@ -2148,9 +2146,9 @@ int drmError(int err, const char *label)
*
* \param fd file descriptor.
* \param irq IRQ number.
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_CONTROL ioctl, passing the
* argument in a drm_control structure.
@@ -2163,7 +2161,7 @@ int drmCtlInstHandler(int fd, int irq)
ctl.func = DRM_INST_HANDLER;
ctl.irq = irq;
if (drmIoctl(fd, DRM_IOCTL_CONTROL, &ctl))
- return -errno;
+ return -errno;
return 0;
}
@@ -2172,9 +2170,9 @@ int drmCtlInstHandler(int fd, int irq)
* Uninstall IRQ handler.
*
* \param fd file descriptor.
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_CONTROL ioctl, passing the
* argument in a drm_control structure.
@@ -2187,7 +2185,7 @@ int drmCtlUninstHandler(int fd)
ctl.func = DRM_UNINST_HANDLER;
ctl.irq = 0;
if (drmIoctl(fd, DRM_IOCTL_CONTROL, &ctl))
- return -errno;
+ return -errno;
return 0;
}
@@ -2204,7 +2202,7 @@ int drmFinish(int fd, int context, drmLockFlags flags)
if (flags & DRM_HALT_ALL_QUEUES) lock.flags |= _DRM_HALT_ALL_QUEUES;
if (flags & DRM_HALT_CUR_QUEUES) lock.flags |= _DRM_HALT_CUR_QUEUES;
if (drmIoctl(fd, DRM_IOCTL_FINISH, &lock))
- return -errno;
+ return -errno;
return 0;
}
@@ -2215,9 +2213,9 @@ int drmFinish(int fd, int context, drmLockFlags flags)
* \param busnum bus number.
* \param devnum device number.
* \param funcnum function number.
- *
+ *
* \return IRQ number on success, or a negative value on failure.
- *
+ *
* \internal
* This function is a wrapper around the DRM_IOCTL_IRQ_BUSID ioctl, passing the
* arguments in a drm_irq_busid structure.
@@ -2231,7 +2229,7 @@ int drmGetInterruptFromBusID(int fd, int busnum, int devnum, int funcnum)
p.devnum = devnum;
p.funcnum = funcnum;
if (drmIoctl(fd, DRM_IOCTL_IRQ_BUSID, &p))
- return -errno;
+ return -errno;
return p.irq;
}
@@ -2240,8 +2238,8 @@ int drmAddContextTag(int fd, drm_context_t context, void *tag)
drmHashEntry *entry = drmGetEntry(fd);
if (drmHashInsert(entry->tagTable, context, tag)) {
- drmHashDelete(entry->tagTable, context);
- drmHashInsert(entry->tagTable, context, tag);
+ drmHashDelete(entry->tagTable, context);
+ drmHashInsert(entry->tagTable, context, tag);
}
return 0;
}
@@ -2259,7 +2257,7 @@ void *drmGetContextTag(int fd, drm_context_t context)
void *value;
if (drmHashLookup(entry->tagTable, context, &value))
- return NULL;
+ return NULL;
return value;
}
@@ -2274,7 +2272,7 @@ int drmAddContextPrivateMapping(int fd, drm_context_t ctx_id,
map.handle = (void *)(uintptr_t)handle;
if (drmIoctl(fd, DRM_IOCTL_SET_SAREA_CTX, &map))
- return -errno;
+ return -errno;
return 0;
}
@@ -2287,23 +2285,23 @@ int drmGetContextPrivateMapping(int fd, drm_context_t ctx_id,
map.ctx_id = ctx_id;
if (drmIoctl(fd, DRM_IOCTL_GET_SAREA_CTX, &map))
- return -errno;
+ return -errno;
if (handle)
- *handle = (drm_handle_t)(uintptr_t)map.handle;
+ *handle = (drm_handle_t)(uintptr_t)map.handle;
return 0;
}
int drmGetMap(int fd, int idx, drm_handle_t *offset, drmSize *size,
- drmMapType *type, drmMapFlags *flags, drm_handle_t *handle,
- int *mtrr)
+ drmMapType *type, drmMapFlags *flags, drm_handle_t *handle,
+ int *mtrr)
{
drm_map_t map;
memclear(map);
map.offset = idx;
if (drmIoctl(fd, DRM_IOCTL_GET_MAP, &map))
- return -errno;
+ return -errno;
*offset = map.offset;
*size = map.size;
*type = map.type;
@@ -2314,14 +2312,14 @@ int drmGetMap(int fd, int idx, drm_handle_t *offset, drmSize *size,
}
int drmGetClient(int fd, int idx, int *auth, int *pid, int *uid,
- unsigned long *magic, unsigned long *iocs)
+ unsigned long *magic, unsigned long *iocs)
{
drm_client_t client;
memclear(client);
client.idx = idx;
if (drmIoctl(fd, DRM_IOCTL_GET_CLIENT, &client))
- return -errno;
+ return -errno;
*auth = client.auth;
*pid = client.pid;
*uid = client.uid;
@@ -2337,12 +2335,12 @@ int drmGetStats(int fd, drmStatsT *stats)
memclear(s);
if (drmIoctl(fd, DRM_IOCTL_GET_STATS, &s))
- return -errno;
+ return -errno;
stats->count = 0;
memset(stats, 0, sizeof(*stats));
if (s.count > sizeof(stats->data)/sizeof(stats->data[0]))
- return -1;
+ return -1;
#define SET_VALUE \
stats->data[i].long_format = "%-20.20s"; \
@@ -2369,87 +2367,87 @@ int drmGetStats(int fd, drmStatsT *stats)
stats->count = s.count;
for (i = 0; i < s.count; i++) {
- stats->data[i].value = s.data[i].value;
- switch (s.data[i].type) {
- case _DRM_STAT_LOCK:
- stats->data[i].long_name = "Lock";
- stats->data[i].rate_name = "Lock";
- SET_VALUE;
- break;
- case _DRM_STAT_OPENS:
- stats->data[i].long_name = "Opens";
- stats->data[i].rate_name = "O";
- SET_COUNT;
- stats->data[i].verbose = 1;
- break;
- case _DRM_STAT_CLOSES:
- stats->data[i].long_name = "Closes";
- stats->data[i].rate_name = "Lock";
- SET_COUNT;
- stats->data[i].verbose = 1;
- break;
- case _DRM_STAT_IOCTLS:
- stats->data[i].long_name = "Ioctls";
- stats->data[i].rate_name = "Ioc/s";
- SET_COUNT;
- break;
- case _DRM_STAT_LOCKS:
- stats->data[i].long_name = "Locks";
- stats->data[i].rate_name = "Lck/s";
- SET_COUNT;
- break;
- case _DRM_STAT_UNLOCKS:
- stats->data[i].long_name = "Unlocks";
- stats->data[i].rate_name = "Unl/s";
- SET_COUNT;
- break;
- case _DRM_STAT_IRQ:
- stats->data[i].long_name = "IRQs";
- stats->data[i].rate_name = "IRQ/s";
- SET_COUNT;
- break;
- case _DRM_STAT_PRIMARY:
- stats->data[i].long_name = "Primary Bytes";
- stats->data[i].rate_name = "PB/s";
- SET_BYTE;
- break;
- case _DRM_STAT_SECONDARY:
- stats->data[i].long_name = "Secondary Bytes";
- stats->data[i].rate_name = "SB/s";
- SET_BYTE;
- break;
- case _DRM_STAT_DMA:
- stats->data[i].long_name = "DMA";
- stats->data[i].rate_name = "DMA/s";
- SET_COUNT;
- break;
- case _DRM_STAT_SPECIAL:
- stats->data[i].long_name = "Special DMA";
- stats->data[i].rate_name = "dma/s";
- SET_COUNT;
- break;
- case _DRM_STAT_MISSED:
- stats->data[i].long_name = "Miss";
- stats->data[i].rate_name = "Ms/s";
- SET_COUNT;
- break;
- case _DRM_STAT_VALUE:
- stats->data[i].long_name = "Value";
- stats->data[i].rate_name = "Value";
- SET_VALUE;
- break;
- case _DRM_STAT_BYTE:
- stats->data[i].long_name = "Bytes";
- stats->data[i].rate_name = "B/s";
- SET_BYTE;
- break;
- case _DRM_STAT_COUNT:
- default:
- stats->data[i].long_name = "Count";
- stats->data[i].rate_name = "Cnt/s";
- SET_COUNT;
- break;
- }
+ stats->data[i].value = s.data[i].value;
+ switch (s.data[i].type) {
+ case _DRM_STAT_LOCK:
+ stats->data[i].long_name = "Lock";
+ stats->data[i].rate_name = "Lock";
+ SET_VALUE;
+ break;
+ case _DRM_STAT_OPENS:
+ stats->data[i].long_name = "Opens";
+ stats->data[i].rate_name = "O";
+ SET_COUNT;
+ stats->data[i].verbose = 1;
+ break;
+ case _DRM_STAT_CLOSES:
+ stats->data[i].long_name = "Closes";
+ stats->data[i].rate_name = "Lock";
+ SET_COUNT;
+ stats->data[i].verbose = 1;
+ break;
+ case _DRM_STAT_IOCTLS:
+ stats->data[i].long_name = "Ioctls";
+ stats->data[i].rate_name = "Ioc/s";
+ SET_COUNT;
+ break;
+ case _DRM_STAT_LOCKS:
+ stats->data[i].long_name = "Locks";
+ stats->data[i].rate_name = "Lck/s";
+ SET_COUNT;
+ break;
+ case _DRM_STAT_UNLOCKS:
+ stats->data[i].long_name = "Unlocks";
+ stats->data[i].rate_name = "Unl/s";
+ SET_COUNT;
+ break;
+ case _DRM_STAT_IRQ:
+ stats->data[i].long_name = "IRQs";
+ stats->data[i].rate_name = "IRQ/s";
+ SET_COUNT;
+ break;
+ case _DRM_STAT_PRIMARY:
+ stats->data[i].long_name = "Primary Bytes";
+ stats->data[i].rate_name = "PB/s";
+ SET_BYTE;
+ break;
+ case _DRM_STAT_SECONDARY:
+ stats->data[i].long_name = "Secondary Bytes";
+ stats->data[i].rate_name = "SB/s";
+ SET_BYTE;
+ break;
+ case _DRM_STAT_DMA:
+ stats->data[i].long_name = "DMA";
+ stats->data[i].rate_name = "DMA/s";
+ SET_COUNT;
+ break;
+ case _DRM_STAT_SPECIAL:
+ stats->data[i].long_name = "Special DMA";
+ stats->data[i].rate_name = "dma/s";
+ SET_COUNT;
+ break;
+ case _DRM_STAT_MISSED:
+ stats->data[i].long_name = "Miss";
+ stats->data[i].rate_name = "Ms/s";
+ SET_COUNT;
+ break;
+ case _DRM_STAT_VALUE:
+ stats->data[i].long_name = "Value";
+ stats->data[i].rate_name = "Value";
+ SET_VALUE;
+ break;
+ case _DRM_STAT_BYTE:
+ stats->data[i].long_name = "Bytes";
+ stats->data[i].rate_name = "B/s";
+ SET_BYTE;
+ break;
+ case _DRM_STAT_COUNT:
+ default:
+ stats->data[i].long_name = "Count";
+ stats->data[i].rate_name = "Cnt/s";
+ SET_COUNT;
+ break;
+ }
}
return 0;
}
@@ -2458,14 +2456,14 @@ int drmGetStats(int fd, drmStatsT *stats)
* Issue a set-version ioctl.
*
* \param fd file descriptor.
- * \param drmCommandIndex command index
+ * \param drmCommandIndex command index
* \param data source pointer of the data to be read and written.
* \param size size of the data to be read and written.
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
- * It issues a read-write ioctl given by
+ * It issues a read-write ioctl given by
* \code DRM_COMMAND_BASE + drmCommandIndex \endcode.
*/
int drmSetInterfaceVersion(int fd, drmSetVersion *version)
@@ -2480,7 +2478,7 @@ int drmSetInterfaceVersion(int fd, drmSetVersion *version)
sv.drm_dd_minor = version->drm_dd_minor;
if (drmIoctl(fd, DRM_IOCTL_SET_VERSION, &sv)) {
- retcode = -errno;
+ retcode = -errno;
}
version->drm_di_major = sv.drm_di_major;
@@ -2495,12 +2493,12 @@ int drmSetInterfaceVersion(int fd, drmSetVersion *version)
* Send a device-specific command.
*
* \param fd file descriptor.
- * \param drmCommandIndex command index
- *
+ * \param drmCommandIndex command index
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
- * It issues a ioctl given by
+ * It issues a ioctl given by
* \code DRM_COMMAND_BASE + drmCommandIndex \endcode.
*/
int drmCommandNone(int fd, unsigned long drmCommandIndex)
@@ -2510,7 +2508,7 @@ int drmCommandNone(int fd, unsigned long drmCommandIndex)
request = DRM_IO( DRM_COMMAND_BASE + drmCommandIndex);
if (drmIoctl(fd, request, NULL)) {
- return -errno;
+ return -errno;
}
return 0;
}
@@ -2520,14 +2518,14 @@ int drmCommandNone(int fd, unsigned long drmCommandIndex)
* Send a device-specific read command.
*
* \param fd file descriptor.
- * \param drmCommandIndex command index
+ * \param drmCommandIndex command index
* \param data destination pointer of the data to be read.
* \param size size of the data to be read.
- *
+ *
* \return zero on success, or a negative value on failure.
*
* \internal
- * It issues a read ioctl given by
+ * It issues a read ioctl given by
* \code DRM_COMMAND_BASE + drmCommandIndex \endcode.
*/
int drmCommandRead(int fd, unsigned long drmCommandIndex, void *data,
@@ -2535,11 +2533,11 @@ int drmCommandRead(int fd, unsigned long drmCommandIndex, void *data,
{
unsigned long request;
- request = DRM_IOC( DRM_IOC_READ, DRM_IOCTL_BASE,
- DRM_COMMAND_BASE + drmCommandIndex, size);
+ request = DRM_IOC( DRM_IOC_READ, DRM_IOCTL_BASE,
+ DRM_COMMAND_BASE + drmCommandIndex, size);
if (drmIoctl(fd, request, data)) {
- return -errno;
+ return -errno;
}
return 0;
}
@@ -2549,14 +2547,14 @@ int drmCommandRead(int fd, unsigned long drmCommandIndex, void *data,
* Send a device-specific write command.
*
* \param fd file descriptor.
- * \param drmCommandIndex command index
+ * \param drmCommandIndex command index
* \param data source pointer of the data to be written.
* \param size size of the data to be written.
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
- * It issues a write ioctl given by
+ * It issues a write ioctl given by
* \code DRM_COMMAND_BASE + drmCommandIndex \endcode.
*/
int drmCommandWrite(int fd, unsigned long drmCommandIndex, void *data,
@@ -2564,11 +2562,11 @@ int drmCommandWrite(int fd, unsigned long drmCommandIndex, void *data,
{
unsigned long request;
- request = DRM_IOC( DRM_IOC_WRITE, DRM_IOCTL_BASE,
- DRM_COMMAND_BASE + drmCommandIndex, size);
+ request = DRM_IOC( DRM_IOC_WRITE, DRM_IOCTL_BASE,
+ DRM_COMMAND_BASE + drmCommandIndex, size);
if (drmIoctl(fd, request, data)) {
- return -errno;
+ return -errno;
}
return 0;
}
@@ -2578,14 +2576,14 @@ int drmCommandWrite(int fd, unsigned long drmCommandIndex, void *data,
* Send a device-specific read-write command.
*
* \param fd file descriptor.
- * \param drmCommandIndex command index
+ * \param drmCommandIndex command index
* \param data source pointer of the data to be read and written.
* \param size size of the data to be read and written.
- *
+ *
* \return zero on success, or a negative value on failure.
- *
+ *
* \internal
- * It issues a read-write ioctl given by
+ * It issues a read-write ioctl given by
* \code DRM_COMMAND_BASE + drmCommandIndex \endcode.
*/
int drmCommandWriteRead(int fd, unsigned long drmCommandIndex, void *data,
@@ -2593,11 +2591,11 @@ int drmCommandWriteRead(int fd, unsigned long drmCommandIndex, void *data,
{
unsigned long request;
- request = DRM_IOC( DRM_IOC_READ|DRM_IOC_WRITE, DRM_IOCTL_BASE,
- DRM_COMMAND_BASE + drmCommandIndex, size);
+ request = DRM_IOC( DRM_IOC_READ|DRM_IOC_WRITE, DRM_IOCTL_BASE,
+ DRM_COMMAND_BASE + drmCommandIndex, size);
if (drmIoctl(fd, request, data))
- return -errno;
+ return -errno;
return 0;
}
@@ -2611,9 +2609,9 @@ static struct {
static int nr_fds = 0;
-int drmOpenOnce(void *unused,
- const char *BusID,
- int *newlyopened)
+int drmOpenOnce(void *unused,
+ const char *BusID,
+ int *newlyopened)
{
return drmOpenOnceWithType(BusID, newlyopened, DRM_NODE_PRIMARY);
}
@@ -2622,19 +2620,19 @@ int drmOpenOnceWithType(const char *BusID, int *newlyopened, int type)
{
int i;
int fd;
-
+
for (i = 0; i < nr_fds; i++)
- if ((strcmp(BusID, connection[i].BusID) == 0) &&
- (connection[i].type == type)) {
- connection[i].refcount++;
- *newlyopened = 0;
- return connection[i].fd;
- }
+ if ((strcmp(BusID, connection[i].BusID) == 0) &&
+ (connection[i].type == type)) {
+ connection[i].refcount++;
+ *newlyopened = 0;
+ return connection[i].fd;
+ }
fd = drmOpenWithType(NULL, BusID, type);
if (fd < 0 || nr_fds == DRM_MAX_FDS)
- return fd;
-
+ return fd;
+
connection[nr_fds].BusID = strdup(BusID);
connection[nr_fds].fd = fd;
connection[nr_fds].refcount = 1;
@@ -2642,9 +2640,9 @@ int drmOpenOnceWithType(const char *BusID, int *newlyopened, int type)
*newlyopened = 1;
if (0)
- fprintf(stderr, "saved connection %d for %s %d\n",
- nr_fds, connection[nr_fds].BusID,
- strcmp(BusID, connection[nr_fds].BusID));
+ fprintf(stderr, "saved connection %d for %s %d\n",
+ nr_fds, connection[nr_fds].BusID,
+ strcmp(BusID, connection[nr_fds].BusID));
nr_fds++;
@@ -2656,180 +2654,180 @@ void drmCloseOnce(int fd)
int i;
for (i = 0; i < nr_fds; i++) {
- if (fd == connection[i].fd) {
- if (--connection[i].refcount == 0) {
- drmClose(connection[i].fd);
- free(connection[i].BusID);
-
- if (i < --nr_fds)
- connection[i] = connection[nr_fds];
-
- return;
- }
- }
+ if (fd == connection[i].fd) {
+ if (--connection[i].refcount == 0) {
+ drmClose(connection[i].fd);
+ free(connection[i].BusID);
+
+ if (i < --nr_fds)
+ connection[i] = connection[nr_fds];
+
+ return;
+ }
+ }
}
}
int drmSetMaster(int fd)
{
- return drmIoctl(fd, DRM_IOCTL_SET_MASTER, NULL);
+ return drmIoctl(fd, DRM_IOCTL_SET_MASTER, NULL);
}
int drmDropMaster(int fd)
{
- return drmIoctl(fd, DRM_IOCTL_DROP_MASTER, NULL);
+ return drmIoctl(fd, DRM_IOCTL_DROP_MASTER, NULL);
}
char *drmGetDeviceNameFromFd(int fd)
{
- char name[128];
- struct stat sbuf;
- dev_t d;
- int i;
+ char name[128];
+ struct stat sbuf;
+ dev_t d;
+ int i;
- /* The whole drmOpen thing is a fiasco and we need to find a way
- * back to just using open(2). For now, however, lets just make
- * things worse with even more ad hoc directory walking code to
- * discover the device file name. */
+ /* The whole drmOpen thing is a fiasco and we need to find a way
+ * back to just using open(2). For now, however, lets just make
+ * things worse with even more ad hoc directory walking code to
+ * discover the device file name. */
- fstat(fd, &sbuf);
- d = sbuf.st_rdev;
+ fstat(fd, &sbuf);
+ d = sbuf.st_rdev;
- for (i = 0; i < DRM_MAX_MINOR; i++) {
- snprintf(name, sizeof name, DRM_DEV_NAME, DRM_DIR_NAME, i);
- if (stat(name, &sbuf) == 0 && sbuf.st_rdev == d)
- break;
- }
- if (i == DRM_MAX_MINOR)
- return NULL;
+ for (i = 0; i < DRM_MAX_MINOR; i++) {
+ snprintf(name, sizeof name, DRM_DEV_NAME, DRM_DIR_NAME, i);
+ if (stat(name, &sbuf) == 0 && sbuf.st_rdev == d)
+ break;
+ }
+ if (i == DRM_MAX_MINOR)
+ return NULL;
- return strdup(name);
+ return strdup(name);
}
int drmGetNodeTypeFromFd(int fd)
{
- struct stat sbuf;
- int maj, min, type;
+ struct stat sbuf;
+ int maj, min, type;
- if (fstat(fd, &sbuf))
- return -1;
+ if (fstat(fd, &sbuf))
+ return -1;
- maj = major(sbuf.st_rdev);
- min = minor(sbuf.st_rdev);
+ maj = major(sbuf.st_rdev);
+ min = minor(sbuf.st_rdev);
- if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode)) {
- errno = EINVAL;
- return -1;
- }
+ if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode)) {
+ errno = EINVAL;
+ return -1;
+ }
- type = drmGetMinorType(min);
- if (type == -1)
- errno = ENODEV;
- return type;
+ type = drmGetMinorType(min);
+ if (type == -1)
+ errno = ENODEV;
+ return type;
}
int drmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags, int *prime_fd)
{
- struct drm_prime_handle args;
- int ret;
+ struct drm_prime_handle args;
+ int ret;
- memclear(args);
- args.fd = -1;
- args.handle = handle;
- args.flags = flags;
- ret = drmIoctl(fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args);
- if (ret)
- return ret;
+ memclear(args);
+ args.fd = -1;
+ args.handle = handle;
+ args.flags = flags;
+ ret = drmIoctl(fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args);
+ if (ret)
+ return ret;
- *prime_fd = args.fd;
- return 0;
+ *prime_fd = args.fd;
+ return 0;
}
int drmPrimeFDToHandle(int fd, int prime_fd, uint32_t *handle)
{
- struct drm_prime_handle args;
- int ret;
+ struct drm_prime_handle args;
+ int ret;
- memclear(args);
- args.fd = prime_fd;
- ret = drmIoctl(fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &args);
- if (ret)
- return ret;
+ memclear(args);
+ args.fd = prime_fd;
+ ret = drmIoctl(fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &args);
+ if (ret)
+ return ret;
- *handle = args.handle;
- return 0;
+ *handle = args.handle;
+ return 0;
}
static char *drmGetMinorNameForFD(int fd, int type)
{
#ifdef __linux__
- DIR *sysdir;
- struct dirent *pent, *ent;
- struct stat sbuf;
- const char *name = drmGetMinorName(type);
- int len;
- char dev_name[64], buf[64];
- long name_max;
- int maj, min;
+ DIR *sysdir;
+ struct dirent *pent, *ent;
+ struct stat sbuf;
+ const char *name = drmGetMinorName(type);
+ int len;
+ char dev_name[64], buf[64];
+ long name_max;
+ int maj, min;
- if (!name)
- return NULL;
+ if (!name)
+ return NULL;
- len = strlen(name);
+ len = strlen(name);
- if (fstat(fd, &sbuf))
- return NULL;
+ if (fstat(fd, &sbuf))
+ return NULL;
- maj = major(sbuf.st_rdev);
- min = minor(sbuf.st_rdev);
+ maj = major(sbuf.st_rdev);
+ min = minor(sbuf.st_rdev);
- if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode))
- return NULL;
+ if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode))
+ return NULL;
- snprintf(buf, sizeof(buf), "/sys/dev/char/%d:%d/device/drm", maj, min);
+ snprintf(buf, sizeof(buf), "/sys/dev/char/%d:%d/device/drm", maj, min);
- sysdir = opendir(buf);
- if (!sysdir)
- return NULL;
+ sysdir = opendir(buf);
+ if (!sysdir)
+ return NULL;
- name_max = fpathconf(dirfd(sysdir), _PC_NAME_MAX);
- if (name_max == -1)
- goto out_close_dir;
+ name_max = fpathconf(dirfd(sysdir), _PC_NAME_MAX);
+ if (name_max == -1)
+ goto out_close_dir;
- pent = malloc(offsetof(struct dirent, d_name) + name_max + 1);
- if (pent == NULL)
- goto out_close_dir;
+ pent = malloc(offsetof(struct dirent, d_name) + name_max + 1);
+ if (pent == NULL)
+ goto out_close_dir;
- while (readdir_r(sysdir, pent, &ent) == 0 && ent != NULL) {
- if (strncmp(ent->d_name, name, len) == 0) {
- snprintf(dev_name, sizeof(dev_name), DRM_DIR_NAME "/%s",
- ent->d_name);
+ while (readdir_r(sysdir, pent, &ent) == 0 && ent != NULL) {
+ if (strncmp(ent->d_name, name, len) == 0) {
+ snprintf(dev_name, sizeof(dev_name), DRM_DIR_NAME "/%s",
+ ent->d_name);
- free(pent);
- closedir(sysdir);
+ free(pent);
+ closedir(sysdir);
- return strdup(dev_name);
- }
- }
+ return strdup(dev_name);
+ }
+ }
- free(pent);
+ free(pent);
out_close_dir:
- closedir(sysdir);
+ closedir(sysdir);
#else
#warning "Missing implementation of drmGetMinorNameForFD"
#endif
- return NULL;
+ return NULL;
}
char *drmGetPrimaryDeviceNameFromFd(int fd)
{
- return drmGetMinorNameForFD(fd, DRM_NODE_PRIMARY);
+ return drmGetMinorNameForFD(fd, DRM_NODE_PRIMARY);
}
char *drmGetRenderDeviceNameFromFd(int fd)
{
- return drmGetMinorNameForFD(fd, DRM_NODE_RENDER);
+ return drmGetMinorNameForFD(fd, DRM_NODE_RENDER);
}
static int drmParseSubsystemType(int maj, int min)
@@ -3005,14 +3003,14 @@ static int drmProcessPciDevice(drmDevicePtr *device, const char *d_name,
char *addr;
*device = calloc(1, sizeof(drmDevice) +
- (DRM_NODE_MAX * (sizeof(void *) + max_node_str)) +
- sizeof(drmPciBusInfo) +
- sizeof(drmPciDeviceInfo));
+ (DRM_NODE_MAX * (sizeof(void *) + max_node_str)) +
+ sizeof(drmPciBusInfo) +
+ sizeof(drmPciDeviceInfo));
if (!*device)
return -ENOMEM;
addr = (char*)*device;
-
+
(*device)->bustype = DRM_BUS_PCI;
(*device)->available_nodes = 1 << node_type;
@@ -3268,8 +3266,8 @@ int drmGetDevices(drmDevicePtr devices[], int max_devices)
device_count = 0;
for (i = 0; i < node_count; i++) {
- if (!local_devices[i])
- continue;
+ if (!local_devices[i])
+ continue;
if ((devices != NULL) && (device_count < max_devices))
devices[device_count] = local_devices[i];
--
2.7.4
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