diff --git a/xf86drm_redox.h b/xf86drm_redox.h
new file mode 100644
index 0000000..425b079
--- /dev/null
+++ b/xf86drm_redox.h
@@ -0,0 +1,180 @@
+#ifndef _XF86DRM_REDOX_H_
+#define _XF86DRM_REDOX_H_
+
+#if defined(__redox__)
+
+#include <stddef.h>
+#include <stdint.h>
+
+#define REDOX_DRM_IOCTL_BASE 0x00A0UL
+
+#define REDOX_LINUX_IOCTL_NR(request)   ((unsigned long)((request) & 0xffUL))
+#define REDOX_LINUX_IOCTL_SIZE(request) (((unsigned long)(request) >> 16) & 0x3fffUL)
+
+#define REDOX_DRM_IOCTL_MODE_GETRESOURCES    (REDOX_DRM_IOCTL_BASE + 0)
+#define REDOX_DRM_IOCTL_MODE_SETCRTC         (REDOX_DRM_IOCTL_BASE + 2)
+#define REDOX_DRM_IOCTL_MODE_GETCRTC         (REDOX_DRM_IOCTL_BASE + 3)
+#define REDOX_DRM_IOCTL_MODE_GETENCODER      (REDOX_DRM_IOCTL_BASE + 6)
+#define REDOX_DRM_IOCTL_MODE_GETCONNECTOR    (REDOX_DRM_IOCTL_BASE + 7)
+#define REDOX_DRM_IOCTL_MODE_PAGE_FLIP       (REDOX_DRM_IOCTL_BASE + 16)
+#define REDOX_DRM_IOCTL_MODE_CREATE_DUMB     (REDOX_DRM_IOCTL_BASE + 18)
+#define REDOX_DRM_IOCTL_MODE_MAP_DUMB        (REDOX_DRM_IOCTL_BASE + 19)
+#define REDOX_DRM_IOCTL_MODE_DESTROY_DUMB    (REDOX_DRM_IOCTL_BASE + 20)
+#define REDOX_DRM_IOCTL_MODE_ADDFB           (REDOX_DRM_IOCTL_BASE + 21)
+#define REDOX_DRM_IOCTL_MODE_RMFB            (REDOX_DRM_IOCTL_BASE + 22)
+#define REDOX_DRM_IOCTL_GET_CAP              (REDOX_DRM_IOCTL_BASE + 23)
+#define REDOX_DRM_IOCTL_SET_CLIENT_CAP       (REDOX_DRM_IOCTL_BASE + 24)
+#define REDOX_DRM_IOCTL_VERSION              (REDOX_DRM_IOCTL_BASE + 25)
+#define REDOX_DRM_IOCTL_GEM_CLOSE            (REDOX_DRM_IOCTL_BASE + 27)
+#define REDOX_DRM_IOCTL_PRIME_HANDLE_TO_FD   (REDOX_DRM_IOCTL_BASE + 29)
+#define REDOX_DRM_IOCTL_PRIME_FD_TO_HANDLE   (REDOX_DRM_IOCTL_BASE + 30)
+#define REDOX_DRM_IOCTL_VIRTGPU_MAP                 (REDOX_DRM_IOCTL_BASE + 31)
+#define REDOX_DRM_IOCTL_VIRTGPU_EXECBUFFER          (REDOX_DRM_IOCTL_BASE + 32)
+#define REDOX_DRM_IOCTL_VIRTGPU_GETPARAM            (REDOX_DRM_IOCTL_BASE + 33)
+#define REDOX_DRM_IOCTL_VIRTGPU_RESOURCE_CREATE     (REDOX_DRM_IOCTL_BASE + 34)
+#define REDOX_DRM_IOCTL_VIRTGPU_RESOURCE_INFO       (REDOX_DRM_IOCTL_BASE + 35)
+#define REDOX_DRM_IOCTL_VIRTGPU_TRANSFER_FROM_HOST  (REDOX_DRM_IOCTL_BASE + 36)
+#define REDOX_DRM_IOCTL_VIRTGPU_TRANSFER_TO_HOST    (REDOX_DRM_IOCTL_BASE + 37)
+#define REDOX_DRM_IOCTL_VIRTGPU_WAIT                (REDOX_DRM_IOCTL_BASE + 38)
+#define REDOX_DRM_IOCTL_VIRTGPU_GET_CAPS            (REDOX_DRM_IOCTL_BASE + 39)
+#define REDOX_DRM_IOCTL_VIRTGPU_RESOURCE_CREATE_BLOB (REDOX_DRM_IOCTL_BASE + 40)
+#define REDOX_DRM_IOCTL_VIRTGPU_CONTEXT_INIT        (REDOX_DRM_IOCTL_BASE + 41)
+
+#define REDOX_DRM_IOCTL_GET_MAGIC                   (REDOX_DRM_IOCTL_BASE + 33)
+#define REDOX_DRM_IOCTL_AUTH_MAGIC                  (REDOX_DRM_IOCTL_BASE + 34)
+#define REDOX_DRM_IOCTL_SET_MASTER                  (REDOX_DRM_IOCTL_BASE + 35)
+#define REDOX_DRM_IOCTL_DROP_MASTER                 (REDOX_DRM_IOCTL_BASE + 36)
+#define REDOX_DRM_IOCTL_GET_PCI_INFO                (REDOX_DRM_IOCTL_BASE + 0x60)
+
+struct redox_drm_resources_wire {
+	uint32_t connector_count;
+	uint32_t crtc_count;
+	uint32_t encoder_count;
+};
+
+struct redox_drm_connector_wire {
+	uint32_t connector_id;
+	uint32_t connection;
+	uint32_t connector_type;
+	uint32_t mm_width;
+	uint32_t mm_height;
+	uint32_t encoder_id;
+	uint32_t mode_count;
+};
+
+struct redox_drm_mode_wire {
+	uint32_t clock;
+	uint16_t hdisplay;
+	uint16_t hsync_start;
+	uint16_t hsync_end;
+	uint16_t htotal;
+	uint16_t hskew;
+	uint16_t vdisplay;
+	uint16_t vsync_start;
+	uint16_t vsync_end;
+	uint16_t vtotal;
+	uint16_t vscan;
+	uint32_t vrefresh;
+	uint32_t flags;
+	uint32_t type;
+};
+
+struct redox_drm_set_crtc_wire {
+	uint32_t crtc_id;
+	uint32_t fb_handle;
+	uint32_t connector_count;
+	uint32_t connectors[8];
+	struct redox_drm_mode_wire mode;
+};
+
+struct redox_drm_page_flip_wire {
+	uint32_t crtc_id;
+	uint32_t fb_handle;
+	uint32_t flags;
+};
+
+struct redox_drm_create_dumb_wire {
+	uint32_t width;
+	uint32_t height;
+	uint32_t bpp;
+	uint32_t flags;
+	uint32_t pitch;
+	uint32_t reserved0;
+	uint64_t size;
+	uint32_t handle;
+	uint32_t reserved1;
+};
+
+struct redox_drm_map_dumb_wire {
+	uint32_t handle;
+	uint32_t pad;
+	uint64_t offset;
+};
+
+struct redox_drm_destroy_dumb_wire {
+	uint32_t handle;
+};
+
+struct redox_drm_add_fb_wire {
+	uint32_t width;
+	uint32_t height;
+	uint32_t pitch;
+	uint32_t bpp;
+	uint32_t depth;
+	uint32_t handle;
+	uint32_t fb_id;
+};
+
+struct redox_drm_rm_fb_wire {
+	uint32_t fb_id;
+};
+
+struct redox_drm_get_crtc_wire {
+	uint32_t crtc_id;
+	uint32_t fb_id;
+	uint32_t x;
+	uint32_t y;
+	uint32_t mode_valid;
+	struct redox_drm_mode_wire mode;
+};
+
+struct redox_drm_version_wire {
+	int32_t major;
+	int32_t minor;
+	int32_t patch;
+	char name[64];
+};
+
+struct redox_drm_prime_handle_to_fd_wire {
+	uint32_t handle;
+	uint32_t flags;
+};
+
+struct redox_drm_prime_handle_to_fd_response_wire {
+	int32_t fd;
+	uint32_t pad;
+};
+
+struct redox_drm_prime_fd_to_handle_wire {
+	int32_t fd;
+	uint32_t pad;
+};
+
+struct redox_drm_prime_fd_to_handle_response_wire {
+	uint32_t handle;
+	uint32_t pad;
+};
+
+unsigned long redox_translate_request(unsigned long linux_nr);
+int redox_drm_simple_ioctl(int fd, unsigned long request, void *arg);
+int redox_drm_exchange(int fd, unsigned long request_code,
+	const void *payload, size_t payload_size,
+	void *response, size_t response_capacity,
+	size_t *response_size);
+int redox_drm_exchange_alloc(int fd, unsigned long request_code,
+	const void *payload, size_t payload_size,
+	void **response, size_t *response_size);
+
+#endif
+
+#endif