From 50d3c85bdb4ac0b3d546336605a722889aff7066 Mon Sep 17 00:00:00 2001 From: Jan Vesely Date: Thu, 30 Jun 2016 14:22:52 -0400 Subject: [PATCH] xf86drm.c: Fix mix of tabs and spaces Remove whitespace at the end of line. --- xf86drm.c | 1424 ++++++++++++++++++++++++++--------------------------- 1 file changed, 711 insertions(+), 713 deletions(-) diff --git a/xf86drm.c b/xf86drm.c index 804a4134..e99f2e2d 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 @@ -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; + 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(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; - } + 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 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; + 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++; + usleep(20); + udev_count++; - if (udev_count == 50) - return -1; - goto wait_for_udev; - } + if (udev_count == 50) + return -1; + goto wait_for_udev; + } - if (stat(buf, &st)) { - usleep(20); - udev_count++; + if (stat(buf, &st)) { + usleep(20); + udev_count++; - if (udev_count == 50) - return -1; - goto wait_for_udev; - } + 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 (!(info.list = drmMalloc(info.count * sizeof(*info.list)))) + return NULL; - if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) { - drmFree(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; + 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]; + if (fd == connection[i].fd) { + if (--connection[i].refcount == 0) { + drmClose(connection[i].fd); + free(connection[i].BusID); - return; - } - } + 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];