91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
--- src/loader/loader.c.orig 2015-08-22 12:01:00.000000000 +0200
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+++ src/loader/loader.c 2015-08-24 10:50:05.251081000 +0200
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@@ -70,7 +70,7 @@
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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-#ifdef HAVE_LIBUDEV
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+#if defined(HAVE_LIBUDEV) || defined(HAVE_LIBDEVQ)
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#include <assert.h>
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#include <dlfcn.h>
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#include <unistd.h>
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@@ -505,6 +505,54 @@ sysfs_get_pci_id_for_fd(int fd, int *ven
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}
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#endif
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+#if defined(HAVE_LIBDEVQ)
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+#include <libdevq.h>
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+
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+static void *devq_handle = NULL;
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+
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+static void *
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+devq_dlopen_handle(void)
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+{
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+ if (!devq_handle) {
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+ devq_handle = dlopen("libdevq.so.0", RTLD_LOCAL | RTLD_LAZY);
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+ }
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+
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+ return devq_handle;
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+}
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+
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+static void *
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+asserted_dlsym(void *dlopen_handle, const char *name)
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+{
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+ void *result = dlsym(dlopen_handle, name);
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+ assert(result);
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+ return result;
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+}
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+
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+#define DEVQ_SYMBOL(ret, name, args) \
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+ ret (*name) args = asserted_dlsym(devq_dlopen_handle(), #name);
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+
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+static int
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+devq_get_pci_id_from_fd(int fd, int *vendor_id, int *chip_id)
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+{
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+ int ret;
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+ DEVQ_SYMBOL(int, devq_device_get_pciid_from_fd,
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+ (int fd, int *vendor_id, int *chip_id));
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+
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+ *chip_id = -1;
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+
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+ ret = devq_device_get_pciid_from_fd(fd, vendor_id, chip_id);
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+ if (ret < 0) {
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+ log_(_LOADER_WARNING, "MESA-LOADER: could not get PCI ID\n");
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+ goto out;
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+ }
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+
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+out:
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+ return (*chip_id >= 0);
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+}
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+
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+#endif
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+
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+
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#if defined(HAVE_LIBDRM)
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/* for i915 */
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#include <i915_drm.h>
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@@ -588,6 +636,10 @@ loader_get_pci_id_for_fd(int fd, int *ve
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if (sysfs_get_pci_id_for_fd(fd, vendor_id, chip_id))
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return 1;
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#endif
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+#if HAVE_LIBDEVQ
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+ if (devq_get_pci_id_from_fd(fd, vendor_id, chip_id))
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+ return 1;
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+#endif
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#if HAVE_LIBDRM
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if (drm_get_pci_id_for_fd(fd, vendor_id, chip_id))
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return 1;
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@@ -685,6 +737,13 @@ loader_get_device_name_for_fd(int fd)
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if ((result = sysfs_get_device_name_for_fd(fd)))
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return result;
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#endif
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+#if HAVE_LIBDEVQ
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+#if 0
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+/* XXX implement this function in libdevq */
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+ if ((result = devq_device_get_name_for_fd(fd)))
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+ return result;
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+#endif
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+#endif
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return result;
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}
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