Index: libdrm-2.4.23/include/drm/drm.h
===================================================================
--- libdrm-2.4.23.orig/include/drm/drm.h
+++ libdrm-2.4.23/include/drm/drm.h
@@ -54,7 +54,11 @@ typedef int32_t  __s32;
 typedef uint32_t __u32;
 typedef int64_t  __s64;
 typedef uint64_t __u64;
+#if defined(__sun)
+typedef unsigned long long drm_handle_t;
+#else
 typedef unsigned long drm_handle_t;
+#endif
 
 #endif
 
@@ -210,12 +214,22 @@ struct drm_ctx_priv_map {
  * \sa drmAddMap().
  */
 struct drm_map {
+#ifdef __sun
+	unsigned long long offset;
+                               /**< Requested physical address (0 for SAREA)*/
+	unsigned long long handle;
+                               /**< User-space: "Handle" to pass to mmap() */
+                               /**< Kernel-space: kernel-virtual address */
+#else
 	unsigned long offset;	 /**< Requested physical address (0 for SAREA)*/
+#endif
 	unsigned long size;	 /**< Requested physical size (bytes) */
 	enum drm_map_type type;	 /**< Type of memory to map */
 	enum drm_map_flags flags;	 /**< Flags */
+#ifndef __sun
 	void *handle;		 /**< User-space: "Handle" to pass to mmap() */
 				 /**< Kernel-space: kernel-virtual address */
+#endif
 	int mtrr;		 /**< MTRR slot used */
 	/*   Private data */
 };
@@ -379,6 +393,9 @@ struct drm_buf_map {
 	void *virtual;		/**< Mmap'd area in user-virtual */
 #endif
 	struct drm_buf_pub *list;	/**< Buffer information */
+#ifdef __sun
+	int fd;
+#endif
 };
 
 /**
Index: libdrm-2.4.23/radeon/radeon_bo_gem.c
===================================================================
--- libdrm-2.4.23.orig/radeon/radeon_bo_gem.c
+++ libdrm-2.4.23/radeon/radeon_bo_gem.c
@@ -38,6 +38,13 @@
 #include <string.h>
 #include <sys/mman.h>
 #include <errno.h>
+
+/* On solaris unistd.h and stropts.h are needed for ioctl */
+#ifdef __sun
+#include <unistd.h>
+#include <stropts.h>
+#endif
+
 #include "xf86drm.h"
 #include "xf86atomic.h"
 #include "drm.h"
Index: libdrm-2.4.23/xf86drm.c
===================================================================
--- libdrm-2.4.23.orig/xf86drm.c
+++ libdrm-2.4.23/xf86drm.c
@@ -972,7 +972,11 @@ int drmRmMap(int fd, drm_handle_t handle
 {
     drm_map_t map;
 
+#ifdef __sun
+    map.handle = handle;
+#else
     map.handle = (void *)(uintptr_t)handle;
+#endif
 
     if(drmIoctl(fd, DRM_IOCTL_RM_MAP, &map))
 	return -errno;
@@ -1210,6 +1214,9 @@ drmBufMapPtr drmMapBufs(int fd)
     bufs.count = 0;
     bufs.list  = NULL;
     bufs.virtual = NULL;
+#ifdef __sun
+    bufs.fd = fd;
+#endif
     if (drmIoctl(fd, DRM_IOCTL_MAP_BUFS, &bufs))
 	return NULL;
 
Index: libdrm-2.4.23/xf86drm.h
===================================================================
--- libdrm-2.4.23.orig/xf86drm.h
+++ libdrm-2.4.23/xf86drm.h
@@ -64,6 +64,13 @@
 
 #endif
 
+#if defined(__sun) && !defined(_IOC)
+#define _IOC(dir, group, nr, size)                             \
+    (dir == DRM_IOC_READWRITE ? _IOWRN(group, nr, size) :      \
+      (dir == DRM_IOC_WRITE ? _IOWN(group, nr, size) :         \
+       /* dir == DRM_IOC_READ */  _IORN(group, nr, size) ))
+#endif
+
 				/* Defaults, if nothing set in xf86config */
 #define DRM_DEV_UID	 0
 #define DRM_DEV_GID	 0