#define CODE
#include "compat_ioctl.c"
-/* Use this to get at 32-bit user passed pointers.
- See sys_sparc32.c for description about these. */
-#define A(__x) ((unsigned long)(__x))
-/* The same for use with copy_from_user() and copy_to_user(). */
-#define B(__x) ((void *)(unsigned long)(__x))
-
-#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE)
-/* This really belongs in include/linux/drm.h -DaveM */
-#include "../../../drivers/char/drm/drm.h"
-
-typedef struct drm32_version {
- int version_major; /* Major version */
- int version_minor; /* Minor version */
- int version_patchlevel;/* Patch level */
- int name_len; /* Length of name buffer */
- u32 name; /* Name of driver */
- int date_len; /* Length of date buffer */
- u32 date; /* User-space buffer to hold date */
- int desc_len; /* Length of desc buffer */
- u32 desc; /* User-space buffer to hold desc */
-} drm32_version_t;
-#define DRM32_IOCTL_VERSION DRM_IOWR(0x00, drm32_version_t)
-
-static int drm32_version(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- drm32_version_t *uversion = (drm32_version_t *)arg;
- char *name_ptr, *date_ptr, *desc_ptr;
- u32 tmp1, tmp2, tmp3;
- drm_version_t kversion;
- mm_segment_t old_fs;
- int ret;
-
- memset(&kversion, 0, sizeof(kversion));
- if (get_user(kversion.name_len, &uversion->name_len) ||
- get_user(kversion.date_len, &uversion->date_len) ||
- get_user(kversion.desc_len, &uversion->desc_len) ||
- get_user(tmp1, &uversion->name) ||
- get_user(tmp2, &uversion->date) ||
- get_user(tmp3, &uversion->desc))
- return -EFAULT;
-
- name_ptr = (char *) A(tmp1);
- date_ptr = (char *) A(tmp2);
- desc_ptr = (char *) A(tmp3);
-
- ret = -ENOMEM;
- if (kversion.name_len && name_ptr) {
- kversion.name = kmalloc(kversion.name_len, GFP_KERNEL);
- if (!kversion.name)
- goto out;
- }
- if (kversion.date_len && date_ptr) {
- kversion.date = kmalloc(kversion.date_len, GFP_KERNEL);
- if (!kversion.date)
- goto out;
- }
- if (kversion.desc_len && desc_ptr) {
- kversion.desc = kmalloc(kversion.desc_len, GFP_KERNEL);
- if (!kversion.desc)
- goto out;
- }
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- ret = sys_ioctl (fd, DRM_IOCTL_VERSION, (unsigned long)&kversion);
- set_fs(old_fs);
-
- if (!ret) {
- if ((kversion.name &&
- copy_to_user(name_ptr, kversion.name, kversion.name_len)) ||
- (kversion.date &&
- copy_to_user(date_ptr, kversion.date, kversion.date_len)) ||
- (kversion.desc &&
- copy_to_user(desc_ptr, kversion.desc, kversion.desc_len)))
- ret = -EFAULT;
- if (put_user(kversion.version_major, &uversion->version_major) ||
- put_user(kversion.version_minor, &uversion->version_minor) ||
- put_user(kversion.version_patchlevel, &uversion->version_patchlevel) ||
- put_user(kversion.name_len, &uversion->name_len) ||
- put_user(kversion.date_len, &uversion->date_len) ||
- put_user(kversion.desc_len, &uversion->desc_len))
- ret = -EFAULT;
- }
-
-out:
- kfree(kversion.name);
- kfree(kversion.date);
- kfree(kversion.desc);
- return ret;
-}
-
-typedef struct drm32_unique {
- int unique_len; /* Length of unique */
- u32 unique; /* Unique name for driver instantiation */
-} drm32_unique_t;
-#define DRM32_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm32_unique_t)
-#define DRM32_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm32_unique_t)
-
-static int drm32_getsetunique(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- drm32_unique_t *uarg = (drm32_unique_t *)arg;
- drm_unique_t karg;
- mm_segment_t old_fs;
- char *uptr;
- u32 tmp;
- int ret;
-
- if (get_user(karg.unique_len, &uarg->unique_len))
- return -EFAULT;
- karg.unique = NULL;
-
- if (get_user(tmp, &uarg->unique))
- return -EFAULT;
-
- uptr = (char *) A(tmp);
-
- if (uptr) {
- karg.unique = kmalloc(karg.unique_len, GFP_KERNEL);
- if (!karg.unique)
- return -ENOMEM;
- if (cmd == DRM32_IOCTL_SET_UNIQUE &&
- copy_from_user(karg.unique, uptr, karg.unique_len)) {
- kfree(karg.unique);
- return -EFAULT;
- }
- }
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- if (cmd == DRM32_IOCTL_GET_UNIQUE)
- ret = sys_ioctl (fd, DRM_IOCTL_GET_UNIQUE, (unsigned long)&karg);
- else
- ret = sys_ioctl (fd, DRM_IOCTL_SET_UNIQUE, (unsigned long)&karg);
- set_fs(old_fs);
-
- if (!ret) {
- if (cmd == DRM32_IOCTL_GET_UNIQUE &&
- uptr != NULL &&
- copy_to_user(uptr, karg.unique, karg.unique_len))
- ret = -EFAULT;
- if (put_user(karg.unique_len, &uarg->unique_len))
- ret = -EFAULT;
- }
-
- kfree(karg.unique);
- return ret;
-}
-
-typedef struct drm32_map {
- u32 offset; /* Requested physical address (0 for SAREA)*/
- u32 size; /* Requested physical size (bytes) */
- drm_map_type_t type; /* Type of memory to map */
- drm_map_flags_t flags; /* Flags */
- u32 handle; /* User-space: "Handle" to pass to mmap */
- /* Kernel-space: kernel-virtual address */
- int mtrr; /* MTRR slot used */
- /* Private data */
-} drm32_map_t;
-#define DRM32_IOCTL_ADD_MAP DRM_IOWR(0x15, drm32_map_t)
-
-static int drm32_addmap(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- drm32_map_t *uarg = (drm32_map_t *) arg;
- drm_map_t karg;
- mm_segment_t old_fs;
- u32 tmp;
- int ret;
-
- ret = get_user(karg.offset, &uarg->offset);
- ret |= get_user(karg.size, &uarg->size);
- ret |= get_user(karg.type, &uarg->type);
- ret |= get_user(karg.flags, &uarg->flags);
- ret |= get_user(tmp, &uarg->handle);
- ret |= get_user(karg.mtrr, &uarg->mtrr);
- if (ret)
- return -EFAULT;
-
- karg.handle = (void *) A(tmp);
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- ret = sys_ioctl(fd, DRM_IOCTL_ADD_MAP, (unsigned long) &karg);
- set_fs(old_fs);
-
- if (!ret) {
- ret = put_user(karg.offset, &uarg->offset);
- ret |= put_user(karg.size, &uarg->size);
- ret |= put_user(karg.type, &uarg->type);
- ret |= put_user(karg.flags, &uarg->flags);
- tmp = (u32) (long)karg.handle;
- ret |= put_user(tmp, &uarg->handle);
- ret |= put_user(karg.mtrr, &uarg->mtrr);
- if (ret)
- ret = -EFAULT;
- }
-
- return ret;
-}
-
-typedef struct drm32_buf_info {
- int count; /* Entries in list */
- u32 list; /* (drm_buf_desc_t *) */
-} drm32_buf_info_t;
-#define DRM32_IOCTL_INFO_BUFS DRM_IOWR(0x18, drm32_buf_info_t)
-
-static int drm32_info_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- drm32_buf_info_t *uarg = (drm32_buf_info_t *)arg;
- drm_buf_desc_t *ulist;
- drm_buf_info_t karg;
- mm_segment_t old_fs;
- int orig_count, ret;
- u32 tmp;
-
- if (get_user(karg.count, &uarg->count) ||
- get_user(tmp, &uarg->list))
- return -EFAULT;
-
- ulist = (drm_buf_desc_t *) A(tmp);
-
- orig_count = karg.count;
-
- karg.list = kmalloc(karg.count * sizeof(drm_buf_desc_t), GFP_KERNEL);
- if (!karg.list)
- return -EFAULT;
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- ret = sys_ioctl(fd, DRM_IOCTL_INFO_BUFS, (unsigned long) &karg);
- set_fs(old_fs);
-
- if (!ret) {
- if (karg.count <= orig_count &&
- (copy_to_user(ulist, karg.list,
- karg.count * sizeof(drm_buf_desc_t))))
- ret = -EFAULT;
- if (put_user(karg.count, &uarg->count))
- ret = -EFAULT;
- }
-
- kfree(karg.list);
- return ret;
-}
-
-typedef struct drm32_buf_free {
- int count;
- u32 list; /* (int *) */
-} drm32_buf_free_t;
-#define DRM32_IOCTL_FREE_BUFS DRM_IOW( 0x1a, drm32_buf_free_t)
-
-static int drm32_free_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- drm32_buf_free_t *uarg = (drm32_buf_free_t *)arg;
- drm_buf_free_t karg;
- mm_segment_t old_fs;
- int *ulist;
- int ret;
- u32 tmp;
-
- if (get_user(karg.count, &uarg->count) ||
- get_user(tmp, &uarg->list))
- return -EFAULT;
-
- ulist = (int *) A(tmp);
-
- karg.list = kmalloc(karg.count * sizeof(int), GFP_KERNEL);
- if (!karg.list)
- return -ENOMEM;
-
- ret = -EFAULT;
- if (copy_from_user(karg.list, ulist, (karg.count * sizeof(int))))
- goto out;
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- ret = sys_ioctl(fd, DRM_IOCTL_FREE_BUFS, (unsigned long) &karg);
- set_fs(old_fs);
-
-out:
- kfree(karg.list);
- return ret;
-}
-
-typedef struct drm32_buf_pub {
- int idx; /* Index into master buflist */
- int total; /* Buffer size */
- int used; /* Amount of buffer in use (for DMA) */
- u32 address; /* Address of buffer (void *) */
-} drm32_buf_pub_t;
-
-typedef struct drm32_buf_map {
- int count; /* Length of buflist */
- u32 virtual; /* Mmaped area in user-virtual (void *) */
- u32 list; /* Buffer information (drm_buf_pub_t *) */
-} drm32_buf_map_t;
-#define DRM32_IOCTL_MAP_BUFS DRM_IOWR(0x19, drm32_buf_map_t)
-
-static int drm32_map_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- drm32_buf_map_t *uarg = (drm32_buf_map_t *)arg;
- drm32_buf_pub_t *ulist;
- drm_buf_map_t karg;
- mm_segment_t old_fs;
- int orig_count, ret, i;
- u32 tmp1, tmp2;
-
- if (get_user(karg.count, &uarg->count) ||
- get_user(tmp1, &uarg->virtual) ||
- get_user(tmp2, &uarg->list))
- return -EFAULT;
-
- karg.virtual = (void *) A(tmp1);
- ulist = (drm32_buf_pub_t *) A(tmp2);
-
- orig_count = karg.count;
-
- karg.list = kmalloc(karg.count * sizeof(drm_buf_pub_t), GFP_KERNEL);
- if (!karg.list)
- return -ENOMEM;
-
- ret = -EFAULT;
- for (i = 0; i < karg.count; i++) {
- if (get_user(karg.list[i].idx, &ulist[i].idx) ||
- get_user(karg.list[i].total, &ulist[i].total) ||
- get_user(karg.list[i].used, &ulist[i].used) ||
- get_user(tmp1, &ulist[i].address))
- goto out;
-
- karg.list[i].address = (void *) A(tmp1);
- }
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- ret = sys_ioctl(fd, DRM_IOCTL_MAP_BUFS, (unsigned long) &karg);
- set_fs(old_fs);
-
- if (!ret) {
- for (i = 0; i < orig_count; i++) {
- tmp1 = (u32) (long) karg.list[i].address;
- if (put_user(karg.list[i].idx, &ulist[i].idx) ||
- put_user(karg.list[i].total, &ulist[i].total) ||
- put_user(karg.list[i].used, &ulist[i].used) ||
- put_user(tmp1, &ulist[i].address)) {
- ret = -EFAULT;
- goto out;
- }
- }
- if (put_user(karg.count, &uarg->count))
- ret = -EFAULT;
- }
-
-out:
- kfree(karg.list);
- return ret;
-}
-
-typedef struct drm32_dma {
- /* Indices here refer to the offset into
- buflist in drm_buf_get_t. */
- int context; /* Context handle */
- int send_count; /* Number of buffers to send */
- u32 send_indices; /* List of handles to buffers (int *) */
- u32 send_sizes; /* Lengths of data to send (int *) */
- drm_dma_flags_t flags; /* Flags */
- int request_count; /* Number of buffers requested */
- int request_size; /* Desired size for buffers */
- u32 request_indices; /* Buffer information (int *) */
- u32 request_sizes; /* (int *) */
- int granted_count; /* Number of buffers granted */
-} drm32_dma_t;
-#define DRM32_IOCTL_DMA DRM_IOWR(0x29, drm32_dma_t)
-
-/* RED PEN The DRM layer blindly dereferences the send/request
- * indice/size arrays even though they are userland
- * pointers. -DaveM
- */
-static int drm32_dma(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- drm32_dma_t *uarg = (drm32_dma_t *) arg;
- int *u_si, *u_ss, *u_ri, *u_rs;
- drm_dma_t karg;
- mm_segment_t old_fs;
- int ret;
- u32 tmp1, tmp2, tmp3, tmp4;
-
- karg.send_indices = karg.send_sizes = NULL;
- karg.request_indices = karg.request_sizes = NULL;
-
- if (get_user(karg.context, &uarg->context) ||
- get_user(karg.send_count, &uarg->send_count) ||
- get_user(tmp1, &uarg->send_indices) ||
- get_user(tmp2, &uarg->send_sizes) ||
- get_user(karg.flags, &uarg->flags) ||
- get_user(karg.request_count, &uarg->request_count) ||
- get_user(karg.request_size, &uarg->request_size) ||
- get_user(tmp3, &uarg->request_indices) ||
- get_user(tmp4, &uarg->request_sizes) ||
- get_user(karg.granted_count, &uarg->granted_count))
- return -EFAULT;
-
- u_si = (int *) A(tmp1);
- u_ss = (int *) A(tmp2);
- u_ri = (int *) A(tmp3);
- u_rs = (int *) A(tmp4);
-
- if (karg.send_count) {
- karg.send_indices = kmalloc(karg.send_count * sizeof(int), GFP_KERNEL);
- karg.send_sizes = kmalloc(karg.send_count * sizeof(int), GFP_KERNEL);
-
- ret = -ENOMEM;
- if (!karg.send_indices || !karg.send_sizes)
- goto out;
-
- ret = -EFAULT;
- if (copy_from_user(karg.send_indices, u_si,
- (karg.send_count * sizeof(int))) ||
- copy_from_user(karg.send_sizes, u_ss,
- (karg.send_count * sizeof(int))))
- goto out;
- }
-
- if (karg.request_count) {
- karg.request_indices = kmalloc(karg.request_count * sizeof(int), GFP_KERNEL);
- karg.request_sizes = kmalloc(karg.request_count * sizeof(int), GFP_KERNEL);
-
- ret = -ENOMEM;
- if (!karg.request_indices || !karg.request_sizes)
- goto out;
-
- ret = -EFAULT;
- if (copy_from_user(karg.request_indices, u_ri,
- (karg.request_count * sizeof(int))) ||
- copy_from_user(karg.request_sizes, u_rs,
- (karg.request_count * sizeof(int))))
- goto out;
- }
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- ret = sys_ioctl(fd, DRM_IOCTL_DMA, (unsigned long) &karg);
- set_fs(old_fs);
-
- if (!ret) {
- if (put_user(karg.context, &uarg->context) ||
- put_user(karg.send_count, &uarg->send_count) ||
- put_user(karg.flags, &uarg->flags) ||
- put_user(karg.request_count, &uarg->request_count) ||
- put_user(karg.request_size, &uarg->request_size) ||
- put_user(karg.granted_count, &uarg->granted_count))
- ret = -EFAULT;
-
- if (karg.send_count) {
- if (copy_to_user(u_si, karg.send_indices,
- (karg.send_count * sizeof(int))) ||
- copy_to_user(u_ss, karg.send_sizes,
- (karg.send_count * sizeof(int))))
- ret = -EFAULT;
- }
- if (karg.request_count) {
- if (copy_to_user(u_ri, karg.request_indices,
- (karg.request_count * sizeof(int))) ||
- copy_to_user(u_rs, karg.request_sizes,
- (karg.request_count * sizeof(int))))
- ret = -EFAULT;
- }
- }
-
-out:
- kfree(karg.send_indices);
- kfree(karg.send_sizes);
- kfree(karg.request_indices);
- kfree(karg.request_sizes);
- return ret;
-}
-
-typedef struct drm32_ctx_res {
- int count;
- u32 contexts; /* (drm_ctx_t *) */
-} drm32_ctx_res_t;
-#define DRM32_IOCTL_RES_CTX DRM_IOWR(0x26, drm32_ctx_res_t)
-
-static int drm32_res_ctx(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- drm32_ctx_res_t *uarg = (drm32_ctx_res_t *) arg;
- drm_ctx_t *ulist;
- drm_ctx_res_t karg;
- mm_segment_t old_fs;
- int orig_count, ret;
- u32 tmp;
-
- karg.contexts = NULL;
- if (get_user(karg.count, &uarg->count) ||
- get_user(tmp, &uarg->contexts))
- return -EFAULT;
-
- ulist = (drm_ctx_t *) A(tmp);
-
- orig_count = karg.count;
- if (karg.count && ulist) {
- karg.contexts = kmalloc((karg.count * sizeof(drm_ctx_t)), GFP_KERNEL);
- if (!karg.contexts)
- return -ENOMEM;
- if (copy_from_user(karg.contexts, ulist,
- (karg.count * sizeof(drm_ctx_t)))) {
- kfree(karg.contexts);
- return -EFAULT;
- }
- }
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- ret = sys_ioctl(fd, DRM_IOCTL_RES_CTX, (unsigned long) &karg);
- set_fs(old_fs);
-
- if (!ret) {
- if (orig_count) {
- if (copy_to_user(ulist, karg.contexts,
- (orig_count * sizeof(drm_ctx_t))))
- ret = -EFAULT;
- }
- if (put_user(karg.count, &uarg->count))
- ret = -EFAULT;
- }
-
- kfree(karg.contexts);
- return ret;
-}
-
-#endif
-
#define HANDLE_IOCTL(cmd, handler) { cmd, (ioctl_trans_handler_t)handler, NULL },
#define COMPATIBLE_IOCTL(cmd) HANDLE_IOCTL(cmd, sys_ioctl)
COMPATIBLE_IOCTL(RTC_EPOCH_SET)
#endif
-#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE)
-HANDLE_IOCTL(DRM32_IOCTL_VERSION, drm32_version);
-HANDLE_IOCTL(DRM32_IOCTL_GET_UNIQUE, drm32_getsetunique);
-HANDLE_IOCTL(DRM32_IOCTL_SET_UNIQUE, drm32_getsetunique);
-HANDLE_IOCTL(DRM32_IOCTL_ADD_MAP, drm32_addmap);
-HANDLE_IOCTL(DRM32_IOCTL_INFO_BUFS, drm32_info_bufs);
-HANDLE_IOCTL(DRM32_IOCTL_FREE_BUFS, drm32_free_bufs);
-HANDLE_IOCTL(DRM32_IOCTL_MAP_BUFS, drm32_map_bufs);
-HANDLE_IOCTL(DRM32_IOCTL_DMA, drm32_dma);
-HANDLE_IOCTL(DRM32_IOCTL_RES_CTX, drm32_res_ctx);
-#endif /* DRM */
IOCTL_TABLE_END
int ioctl_table_size = ARRAY_SIZE(ioctl_start);
projects / linux-2.6 / commitdiff