diff options
Diffstat (limited to 'libdrm/xf86drm.c')
| -rw-r--r-- | libdrm/xf86drm.c | 229 |
1 files changed, 146 insertions, 83 deletions
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c index 5efb532b..56450e80 100644 --- a/libdrm/xf86drm.c +++ b/libdrm/xf86drm.c @@ -35,40 +35,25 @@ #include <xorg-config.h> #endif -#ifdef XFree86Server -# include "xf86.h" -# include "xf86_OSproc.h" -# include "drm.h" -# include "xf86_ansic.h" -# define _DRM_MALLOC xalloc -# define _DRM_FREE xfree -# ifndef XFree86LOADER -# include <sys/mman.h> -# endif -#else -# ifdef HAVE_CONFIG_H -# include <config.h> -# endif -# include <stdio.h> -# include <stdlib.h> -# include <unistd.h> -# include <string.h> -# include <ctype.h> -# include <fcntl.h> -# include <errno.h> -# include <signal.h> -# include <sys/types.h> -# include <sys/stat.h> -# define stat_t struct stat -# include <sys/ioctl.h> -# include <sys/mman.h> -# include <sys/time.h> -# include <stdarg.h> -# define _DRM_MALLOC malloc -# define _DRM_FREE free -# include "drm.h" +#ifdef HAVE_CONFIG_H +# include <config.h> #endif - +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <ctype.h> +#include <fcntl.h> +#include <errno.h> +#include <signal.h> +#include <sys/types.h> +#include <sys/stat.h> +#define stat_t struct stat +#include <sys/ioctl.h> +#include <sys/mman.h> +#include <sys/time.h> +#include <stdarg.h> +#include "drm.h" /* Not all systems have MAP_FAILED defined */ #ifndef MAP_FAILED @@ -107,6 +92,13 @@ #define DRM_MSG_VERBOSITY 3 +static drmServerInfoPtr drm_server_info; + +void drmSetServerInfo(drmServerInfoPtr info) +{ + drm_server_info = info; +} + /** * Output a message to stderr. * @@ -115,44 +107,54 @@ * \internal * This function is a wrapper around vfprintf(). */ + +static int drmDebugPrint(const char *format, va_list ap) +{ + return vfprintf(stderr, format, ap); +} + +static int (*drm_debug_print)(const char *format, va_list ap) = drmDebugPrint; + static void drmMsg(const char *format, ...) { va_list ap; - -#ifndef XFree86Server const char *env; - if ((env = getenv("LIBGL_DEBUG")) && strstr(env, "verbose")) -#endif + if (((env = getenv("LIBGL_DEBUG")) && strstr(env, "verbose")) || drm_server_info) { va_start(ap, format); -#ifdef XFree86Server - xf86VDrvMsgVerb(-1, X_NONE, DRM_MSG_VERBOSITY, format, ap); -#else - vfprintf(stderr, format, ap); -#endif + if (drm_server_info) { + drm_server_info->debug_print(format,ap); + } else { + drm_debug_print(format, ap); + } va_end(ap); } } +void +drmSetDebugMsgFunction(int (*debug_msg_ptr)(const char *format, va_list ap)) +{ + drm_debug_print = debug_msg_ptr; +} + static void *drmHashTable = NULL; /* Context switch callbacks */ -typedef struct drmHashEntry { - int fd; - void (*f)(int, void *, void *); - void *tagTable; -} drmHashEntry; +void *drmGetHashTable(void) +{ + return drmHashTable; +} void *drmMalloc(int size) { void *pt; - if ((pt = _DRM_MALLOC(size))) memset(pt, 0, size); + if ((pt = malloc(size))) memset(pt, 0, size); return pt; } void drmFree(void *pt) { - if (pt) _DRM_FREE(pt); + if (pt) free(pt); } /* drmStrdup can't use strdup(3), since it doesn't call _DRM_MALLOC... */ @@ -163,7 +165,7 @@ static char *drmStrdup(const char *s) if (!s) return NULL; - retval = _DRM_MALLOC(strlen(s)+1); + retval = malloc(strlen(s)+1); if (!retval) return NULL; @@ -182,7 +184,7 @@ static unsigned long drmGetKeyFromFd(int fd) return st.st_rdev; } -static drmHashEntry *drmGetEntry(int fd) +drmHashEntry *drmGetEntry(int fd) { unsigned long key = drmGetKeyFromFd(fd); void *value; @@ -269,21 +271,20 @@ static int drmOpenDevice(long dev, int minor) stat_t st; char buf[64]; int fd; - mode_t devmode = DRM_DEV_MODE; + mode_t devmode = DRM_DEV_MODE, serv_mode; int isroot = !geteuid(); -#if defined(XFree86Server) uid_t user = DRM_DEV_UID; - gid_t group = DRM_DEV_GID; -#endif - + gid_t group = DRM_DEV_GID, serv_group; + sprintf(buf, DRM_DEV_NAME, DRM_DIR_NAME, minor); drmMsg("drmOpenDevice: node name is %s\n", buf); -#if defined(XFree86Server) - devmode = xf86ConfigDRI.mode ? xf86ConfigDRI.mode : DRM_DEV_MODE; - devmode &= ~(S_IXUSR|S_IXGRP|S_IXOTH); - group = (xf86ConfigDRI.group >= 0) ? xf86ConfigDRI.group : DRM_DEV_GID; -#endif + if (drm_server_info) { + drm_server_info->get_perms(&serv_group, &serv_mode); + devmode = serv_mode ? serv_mode : DRM_DEV_MODE; + devmode &= ~(S_IXUSR|S_IXGRP|S_IXOTH); + group = (serv_group >= 0) ? serv_group : DRM_DEV_GID; + } if (stat(DRM_DIR_NAME, &st)) { if (!isroot) return DRM_ERR_NOT_ROOT; @@ -298,10 +299,11 @@ static int drmOpenDevice(long dev, int minor) remove(buf); mknod(buf, S_IFCHR | devmode, dev); } -#if defined(XFree86Server) - chown(buf, user, group); - chmod(buf, devmode); -#endif + + if (drm_server_info) { + chown(buf, user, group); + chmod(buf, devmode); + } fd = open(buf, O_RDWR, 0); drmMsg("drmOpenDevice: open result is %d, (%s)\n", @@ -315,10 +317,10 @@ static int drmOpenDevice(long dev, int minor) if (!isroot) return DRM_ERR_NOT_ROOT; remove(buf); mknod(buf, S_IFCHR | devmode, dev); -#if defined(XFree86Server) - chown(buf, user, group); - chmod(buf, devmode); -#endif + if (drm_server_info) { + chown(buf, user, group); + chmod(buf, devmode); + } } fd = open(buf, O_RDWR, 0); drmMsg("drmOpenDevice: open result is %d, (%s)\n", @@ -456,16 +458,16 @@ static int drmOpenByName(const char *name) char * id; if (!drmAvailable()) { -#if !defined(XFree86Server) + if (!drm_server_info) return -1; -#else + else { /* try to load the kernel module now */ - if (!xf86LoadKernelModule(name)) { - ErrorF("[drm] failed to load kernel module \"%s\"\n", - name); - return -1; + if (!drm_server_info->load_module(name)) { + drmMsg("[drm] failed to load kernel module \"%s\"\n", + name); + return -1; } -#endif + } } /* @@ -547,16 +549,14 @@ static int drmOpenByName(const char *name) */ int drmOpen(const char *name, const char *busid) { -#ifdef XFree86Server - if (!drmAvailable() && name != NULL) { + if (!drmAvailable() && name != NULL && drm_server_info) { /* try to load the kernel */ - if (!xf86LoadKernelModule(name)) { - ErrorF("[drm] failed to load kernel module \"%s\"\n", + if (!drm_server_info->load_module(name)) { + drmMsg("[drm] failed to load kernel module \"%s\"\n", name); return -1; } } -#endif if (busid) { int fd; @@ -710,15 +710,17 @@ drmVersionPtr drmGetLibVersion(int fd) drm_version_t *version = drmMalloc(sizeof(*version)); /* Version history: + * NOTE THIS MUST NOT GO ABOVE VERSION 1.X due to drivers needing it * revision 1.0.x = original DRM interface with no drmGetLibVersion * entry point and many drm<Device> extensions * revision 1.1.x = added drmCommand entry points for device extensions * added drmGetLibVersion to identify libdrm.a version * revision 1.2.x = added drmSetInterfaceVersion * modified drmOpen to handle both busid and name + * revision 1.3.x = added server + memory manager */ - version->version_major = 2; - version->version_minor = 2; + version->version_major = 1; + version->version_minor = 3; version->version_patchlevel = 0; return (drmVersionPtr)version; @@ -3213,3 +3215,64 @@ int drmMMUnlock(int fd, unsigned memType) return ret; } + +#define DRM_MAX_FDS 16 +static struct { + char *BusID; + int fd; + int refcount; +} connection[DRM_MAX_FDS]; + +static int nr_fds = 0; + +int drmOpenOnce(void *unused, + const char *BusID, + int *newlyopened) +{ + int i; + int fd; + + for (i = 0; i < nr_fds; i++) + if (strcmp(BusID, connection[i].BusID) == 0) { + connection[i].refcount++; + *newlyopened = 0; + return connection[i].fd; + } + + fd = drmOpen(unused, BusID); + if (fd <= 0 || nr_fds == DRM_MAX_FDS) + return fd; + + connection[nr_fds].BusID = strdup(BusID); + connection[nr_fds].fd = fd; + connection[nr_fds].refcount = 1; + *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)); + + nr_fds++; + + return fd; +} + +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; + } + } + } +} |