[igt-dev] [PATCH i-g-t 1/5] lib/drmtest: Add VKMS as a known driver type
Marius Vlad
marius.vlad at collabora.com
Fri Sep 1 09:28:16 UTC 2023
From: Jim Shargo <jshargo at chromium.org>
Signed-off-by: Jim Shargo <jshargo at chromium.org>
Signed-off-by: Marius Vlad <marius.vlad at collabora.com>
---
lib/drmtest.c | 26 ++++++++++++++++++++++++++
lib/drmtest.h | 9 +++++++--
2 files changed, 33 insertions(+), 2 deletions(-)
diff --git a/lib/drmtest.c b/lib/drmtest.c
index e1da66c87..8cb22ce39 100644
--- a/lib/drmtest.c
+++ b/lib/drmtest.c
@@ -161,6 +161,16 @@ enum intel_driver get_intel_driver(int fd)
igt_assert_f(0, "Device is not handled by Intel driver\n");
}
+bool is_vkms_device(int fd)
+{
+ char name[64] = "";
+
+ if (__get_drm_device_name(fd, name, sizeof(name) - 1))
+ return false;
+
+ return strncmp("vkms", name, strlen("vkms")) == 0;
+}
+
static char _forced_driver[16] = "";
/**
@@ -806,3 +816,19 @@ void igt_require_xe(int fd)
{
igt_require(is_xe_device(fd));
}
+
+void igt_require_vkms(void)
+{
+ /* Since VKMS can create and destroy virtual drivers at will, instead
+ * look to make sure the driver is installed. */
+ struct stat s = {};
+ int ret;
+ const char *vkms_module_dir = "/sys/module/vkms";
+
+ ret = stat(vkms_module_dir, &s);
+
+ igt_require_f(ret == 0, "VKMS stat of %s returned %d (%s)\n",
+ vkms_module_dir, ret, strerror(ret));
+ igt_require_f(S_ISDIR(s.st_mode),
+ "VKMS stat of %s was not a directory\n", vkms_module_dir);
+}
diff --git a/lib/drmtest.h b/lib/drmtest.h
index 97ab6e759..2d8f74771 100644
--- a/lib/drmtest.h
+++ b/lib/drmtest.h
@@ -52,15 +52,18 @@
#define DRIVER_PANFROST (1 << 5)
#define DRIVER_MSM (1 << 6)
#define DRIVER_XE (1 << 7)
-#define DRIVER_VMWGFX (1 << 8)
+#define DRIVER_VMWGFX (1 << 8)
+#define DRIVER_VKMS (1 << 9)
/*
* Exclude DRVER_VGEM from DRIVER_ANY since if you run on a system
* with vgem as well as a supported driver, you can end up with a
* near-100% skip rate if you don't explicitly specify the device,
* depending on device-load ordering.
+ *
+ * Exclude VKMS to prefer hardware drivers.
*/
-#define DRIVER_ANY ~(DRIVER_VGEM)
+#define DRIVER_ANY ~(DRIVER_VGEM | DRIVER_VKMS)
/*
* Compile friendly enum for i915/xe.
@@ -115,6 +118,7 @@ void igt_require_i915(int fd);
void igt_require_nouveau(int fd);
void igt_require_vc4(int fd);
void igt_require_xe(int fd);
+void igt_require_vkms(void);
bool is_amdgpu_device(int fd);
bool is_i915_device(int fd);
@@ -125,6 +129,7 @@ bool is_vc4_device(int fd);
bool is_xe_device(int fd);
bool is_intel_device(int fd);
enum intel_driver get_intel_driver(int fd);
+bool is_vkms_device(int fd);
/**
* do_or_die:
--
2.40.1
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