#include <fcntl.h>
#include <stdio.h>
-#include <libudev.h>
#include <xf86drm.h>
+#include <unistd.h>
-#ifdef HAVE_PIPE_LOADER_XCB
-
-#include <xcb/dri2.h>
-
-#endif
-
+#include "loader.h"
+#include "target-helpers/drm_helper_public.h"
#include "state_tracker/drm_driver.h"
#include "pipe_loader_priv.h"
#include "util/u_dl.h"
#include "util/u_debug.h"
+#define DRM_RENDER_NODE_DEV_NAME_FORMAT "%s/renderD%d"
+#define DRM_RENDER_NODE_MAX_NODES 63
+#define DRM_RENDER_NODE_MIN_MINOR 128
+#define DRM_RENDER_NODE_MAX_MINOR (DRM_RENDER_NODE_MIN_MINOR + DRM_RENDER_NODE_MAX_NODES)
+
struct pipe_loader_drm_device {
struct pipe_loader_device base;
+ const struct drm_driver_descriptor *dd;
+#ifndef GALLIUM_STATIC_TARGETS
struct util_dl_library *lib;
+#endif
int fd;
};
#define pipe_loader_drm_device(dev) ((struct pipe_loader_drm_device *)dev)
-static struct pipe_loader_ops pipe_loader_drm_ops;
-
-static void
-pipe_loader_drm_x_auth(int fd)
-{
-#if HAVE_PIPE_LOADER_XCB
- /* Try authenticate with the X server to give us access to devices that X
- * is running on. */
- xcb_connection_t *xcb_conn;
- const xcb_setup_t *xcb_setup;
- xcb_screen_iterator_t s;
- xcb_dri2_connect_cookie_t connect_cookie;
- xcb_dri2_connect_reply_t *connect;
- drm_magic_t magic;
- xcb_dri2_authenticate_cookie_t authenticate_cookie;
- xcb_dri2_authenticate_reply_t *authenticate;
-
- xcb_conn = xcb_connect(NULL, NULL);
-
- if(!xcb_conn)
- return;
-
- xcb_setup = xcb_get_setup(xcb_conn);
-
- if (!xcb_setup)
- goto disconnect;
+static const struct pipe_loader_ops pipe_loader_drm_ops;
- s = xcb_setup_roots_iterator(xcb_setup);
- connect_cookie = xcb_dri2_connect_unchecked(xcb_conn, s.data->root,
- XCB_DRI2_DRIVER_TYPE_DRI);
- connect = xcb_dri2_connect_reply(xcb_conn, connect_cookie, NULL);
+#ifdef GALLIUM_STATIC_TARGETS
+static const struct drm_conf_ret throttle_ret = {
+ DRM_CONF_INT,
+ {2},
+};
- if (!connect || connect->driver_name_length
- + connect->device_name_length == 0) {
+static const struct drm_conf_ret share_fd_ret = {
+ DRM_CONF_BOOL,
+ {true},
+};
- goto disconnect;
+static inline const struct drm_conf_ret *
+configuration_query(enum drm_conf conf)
+{
+ switch (conf) {
+ case DRM_CONF_THROTTLE:
+ return &throttle_ret;
+ case DRM_CONF_SHARE_FD:
+ return &share_fd_ret;
+ default:
+ break;
}
+ return NULL;
+}
- if (drmGetMagic(fd, &magic))
- goto disconnect;
-
- authenticate_cookie = xcb_dri2_authenticate_unchecked(xcb_conn,
- s.data->root,
- magic);
- authenticate = xcb_dri2_authenticate_reply(xcb_conn,
- authenticate_cookie,
- NULL);
- FREE(authenticate);
-
-disconnect:
- xcb_disconnect(xcb_conn);
-
+static const struct drm_driver_descriptor driver_descriptors[] = {
+ {
+ .driver_name = "i915",
+ .create_screen = pipe_i915_create_screen,
+ .configuration = configuration_query,
+ },
+#ifdef USE_VC4_SIMULATOR
+ /* VC4 simulator and ILO (i965) are mutually exclusive (error at
+ * configure). As the latter is unconditionally added, keep this one above
+ * it.
+ */
+ {
+ .driver_name = "i965",
+ .create_screen = pipe_vc4_create_screen,
+ .configuration = configuration_query,
+ },
+#endif
+ {
+ .driver_name = "i965",
+ .create_screen = pipe_ilo_create_screen,
+ .configuration = configuration_query,
+ },
+ {
+ .driver_name = "nouveau",
+ .create_screen = pipe_nouveau_create_screen,
+ .configuration = configuration_query,
+ },
+ {
+ .driver_name = "r300",
+ .create_screen = pipe_r300_create_screen,
+ .configuration = configuration_query,
+ },
+ {
+ .driver_name = "r600",
+ .create_screen = pipe_r600_create_screen,
+ .configuration = configuration_query,
+ },
+ {
+ .driver_name = "radeonsi",
+ .create_screen = pipe_radeonsi_create_screen,
+ .configuration = configuration_query,
+ },
+ {
+ .driver_name = "vmwgfx",
+ .create_screen = pipe_vmwgfx_create_screen,
+ .configuration = configuration_query,
+ },
+ {
+ .driver_name = "kgsl",
+ .create_screen = pipe_freedreno_create_screen,
+ .configuration = configuration_query,
+ },
+ {
+ .driver_name = "msm",
+ .create_screen = pipe_freedreno_create_screen,
+ .configuration = configuration_query,
+ },
+ {
+ .driver_name = "virtio_gpu",
+ .create_screen = pipe_virgl_create_screen,
+ .configuration = configuration_query,
+ },
+ {
+ .driver_name = "vc4",
+ .create_screen = pipe_vc4_create_screen,
+ .configuration = configuration_query,
+ },
+};
#endif
-}
-boolean
+bool
pipe_loader_drm_probe_fd(struct pipe_loader_device **dev, int fd)
{
struct pipe_loader_drm_device *ddev = CALLOC_STRUCT(pipe_loader_drm_device);
int vendor_id, chip_id;
+ if (!ddev)
+ return false;
+
if (loader_get_pci_id_for_fd(fd, &vendor_id, &chip_id)) {
ddev->base.type = PIPE_LOADER_DEVICE_PCI;
ddev->base.u.pci.vendor_id = vendor_id;
ddev->base.u.pci.chip_id = chip_id;
+ } else {
+ ddev->base.type = PIPE_LOADER_DEVICE_PLATFORM;
}
ddev->base.ops = &pipe_loader_drm_ops;
ddev->fd = fd;
- pipe_loader_drm_x_auth(fd);
-
- ddev->base.driver_name = loader_get_driver_for_fd(fd, _LOADER_GALLIUM);
+ ddev->base.driver_name = loader_get_driver_for_fd(fd);
if (!ddev->base.driver_name)
goto fail;
+#ifdef GALLIUM_STATIC_TARGETS
+ for (int i = 0; i < ARRAY_SIZE(driver_descriptors); i++) {
+ if (strcmp(driver_descriptors[i].driver_name, ddev->base.driver_name) == 0) {
+ ddev->dd = &driver_descriptors[i];
+ break;
+ }
+ }
+ if (!ddev->dd)
+ goto fail;
+#else
+ ddev->lib = pipe_loader_find_module(&ddev->base, PIPE_SEARCH_DIR);
+ if (!ddev->lib)
+ goto fail;
+
+ ddev->dd = (const struct drm_driver_descriptor *)
+ util_dl_get_proc_address(ddev->lib, "driver_descriptor");
+
+ /* sanity check on the driver name */
+ if (!ddev->dd || strcmp(ddev->dd->driver_name, ddev->base.driver_name) != 0)
+ goto fail;
+#endif
+
*dev = &ddev->base;
- return TRUE;
+ return true;
fail:
+#ifndef GALLIUM_STATIC_TARGETS
+ if (ddev->lib)
+ util_dl_close(ddev->lib);
+#endif
FREE(ddev);
- return FALSE;
+ return false;
}
static int
-open_drm_minor(int minor)
+open_drm_render_node_minor(int minor)
{
char path[PATH_MAX];
- snprintf(path, sizeof(path), DRM_DEV_NAME, DRM_DIR_NAME, minor);
- return open(path, O_RDWR, 0);
+ snprintf(path, sizeof(path), DRM_RENDER_NODE_DEV_NAME_FORMAT, DRM_DIR_NAME,
+ minor);
+ return loader_open_device(path);
}
int
{
int i, j, fd;
- for (i = 0, j = 0; i < DRM_MAX_MINOR; i++) {
- fd = open_drm_minor(i);
+ for (i = DRM_RENDER_NODE_MIN_MINOR, j = 0;
+ i <= DRM_RENDER_NODE_MAX_MINOR; i++) {
+ struct pipe_loader_device *dev;
+
+ fd = open_drm_render_node_minor(i);
if (fd < 0)
continue;
- if (j >= ndev || !pipe_loader_drm_probe_fd(&devs[j], fd))
+ if (!pipe_loader_drm_probe_fd(&dev, fd)) {
close(fd);
+ continue;
+ }
+ if (j < ndev) {
+ devs[j] = dev;
+ } else {
+ close(fd);
+ dev->ops->release(&dev);
+ }
j++;
}
{
struct pipe_loader_drm_device *ddev = pipe_loader_drm_device(*dev);
+#ifndef GALLIUM_STATIC_TARGETS
if (ddev->lib)
util_dl_close(ddev->lib);
+#endif
close(ddev->fd);
+ FREE(ddev->base.driver_name);
FREE(ddev);
*dev = NULL;
}
-static struct pipe_screen *
-pipe_loader_drm_create_screen(struct pipe_loader_device *dev,
- const char *library_paths)
+static const struct drm_conf_ret *
+pipe_loader_drm_configuration(struct pipe_loader_device *dev,
+ enum drm_conf conf)
{
struct pipe_loader_drm_device *ddev = pipe_loader_drm_device(dev);
- const struct drm_driver_descriptor *dd;
- if (!ddev->lib)
- ddev->lib = pipe_loader_find_module(dev, library_paths);
- if (!ddev->lib)
+ if (!ddev->dd->configuration)
return NULL;
- dd = (const struct drm_driver_descriptor *)
- util_dl_get_proc_address(ddev->lib, "driver_descriptor");
+ return ddev->dd->configuration(conf);
+}
- /* sanity check on the name */
- if (!dd || strcmp(dd->name, ddev->base.driver_name) != 0)
- return NULL;
+static struct pipe_screen *
+pipe_loader_drm_create_screen(struct pipe_loader_device *dev)
+{
+ struct pipe_loader_drm_device *ddev = pipe_loader_drm_device(dev);
- return dd->create_screen(ddev->fd);
+ return ddev->dd->create_screen(ddev->fd);
}
-static struct pipe_loader_ops pipe_loader_drm_ops = {
+static const struct pipe_loader_ops pipe_loader_drm_ops = {
.create_screen = pipe_loader_drm_create_screen,
+ .configuration = pipe_loader_drm_configuration,
.release = pipe_loader_drm_release
};
projects / mesa.git / blobdiff