diff mbox

[i-g-t,2/4,v5] lib/igt_gvt: Make use of libkmod helpers and fix reading gvt parameter.

Message ID 20161103162813.22622-3-marius.c.vlad@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Marius Vlad Nov. 3, 2016, 4:28 p.m. UTC
v2:
- use igt_sysfs_get_boolean() to get gvt status (Chris Wilson)
- do not hard-fail when i915 module could not be loaded/unloaded (Chris
Wilson)

Signed-off-by: Marius Vlad <marius.c.vlad@intel.com>
---
 lib/igt_gvt.c     | 37 ++++++++++++++++++-------------------
 tests/gvt_basic.c |  2 +-
 2 files changed, 19 insertions(+), 20 deletions(-)

Comments

Zhenyu Wang Nov. 10, 2016, 2:30 a.m. UTC | #1
On 2016.11.03 18:28:11 +0200, Marius Vlad wrote:
> v2:
> - use igt_sysfs_get_boolean() to get gvt status (Chris Wilson)
> - do not hard-fail when i915 module could not be loaded/unloaded (Chris
> Wilson)
> 
> Signed-off-by: Marius Vlad <marius.c.vlad@intel.com>

Looks fine to me.

Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>

> ---
>  lib/igt_gvt.c     | 37 ++++++++++++++++++-------------------
>  tests/gvt_basic.c |  2 +-
>  2 files changed, 19 insertions(+), 20 deletions(-)
> 
> diff --git a/lib/igt_gvt.c b/lib/igt_gvt.c
> index 8bbf9bd..4ab7433 100644
> --- a/lib/igt_gvt.c
> +++ b/lib/igt_gvt.c
> @@ -24,35 +24,30 @@
>  #include "igt.h"
>  #include "igt_gvt.h"
>  #include "igt_sysfs.h"
> +#include "igt_kmod.h"
>  
> +#include <signal.h>
>  #include <dirent.h>
>  #include <unistd.h>
>  #include <fcntl.h>
>  
>  static bool is_gvt_enabled(void)
>  {
> -	FILE *file;
> -	int value;
>  	bool enabled = false;
> +	int dir, fd;
>  
> -	file = fopen("/sys/module/i915/parameters/enable_gvt", "r");
> -	if (!file)
> +	fd = __drm_open_driver(DRIVER_INTEL);
> +	dir = igt_sysfs_open_parameters(fd);
> +	if (dir < 0)
>  		return false;
>  
> -	if (fscanf(file, "%d", &value) == 1)
> -		enabled = value;
> -	fclose(file);
> +	enabled = igt_sysfs_get_boolean(dir, "enable_gvt");
>  
> -	errno = 0;
> -	return enabled;
> -}
> +	close(dir);
> +	close(fd);
>  
> -static void unload_i915(void)
> -{
> -	kick_fbcon(false);
> -	/* pkill alsact */
> +	return enabled;
>  
> -	igt_ignore_warn(system("/sbin/modprobe -s -r i915"));
>  }
>  
>  bool igt_gvt_load_module(void)
> @@ -60,8 +55,11 @@ bool igt_gvt_load_module(void)
>  	if (is_gvt_enabled())
>  		return true;
>  
> -	unload_i915();
> -	igt_ignore_warn(system("/sbin/modprobe -s i915 enable_gvt=1"));
> +	if (igt_i915_driver_unload())
> +		return false;
> +
> +	if (igt_i915_driver_load("enable_gvt=1"))
> +		return false;
>  
>  	return is_gvt_enabled();
>  }
> @@ -71,8 +69,9 @@ void igt_gvt_unload_module(void)
>  	if (!is_gvt_enabled())
>  		return;
>  
> -	unload_i915();
> -	igt_ignore_warn(system("/sbin/modprobe -s i915 enable_gvt=0"));
> +	igt_i915_driver_unload();
> +
> +	igt_i915_driver_load(NULL);
>  
>  	igt_assert(!is_gvt_enabled());
>  }
> diff --git a/tests/gvt_basic.c b/tests/gvt_basic.c
> index 48b853a..4e909a5 100644
> --- a/tests/gvt_basic.c
> +++ b/tests/gvt_basic.c
> @@ -32,7 +32,7 @@ igt_main
>  
>  	igt_fixture {
>  		igt_require(igt_gvt_load_module());
> -		fd = drm_open_driver(DRIVER_INTEL);
> +		fd = __drm_open_driver(DRIVER_INTEL);
>  	}
>  
>  	igt_subtest_f("invalid-placeholder-test");
> -- 
> 2.7.4
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff mbox

Patch

diff --git a/lib/igt_gvt.c b/lib/igt_gvt.c
index 8bbf9bd..4ab7433 100644
--- a/lib/igt_gvt.c
+++ b/lib/igt_gvt.c
@@ -24,35 +24,30 @@ 
 #include "igt.h"
 #include "igt_gvt.h"
 #include "igt_sysfs.h"
+#include "igt_kmod.h"
 
+#include <signal.h>
 #include <dirent.h>
 #include <unistd.h>
 #include <fcntl.h>
 
 static bool is_gvt_enabled(void)
 {
-	FILE *file;
-	int value;
 	bool enabled = false;
+	int dir, fd;
 
-	file = fopen("/sys/module/i915/parameters/enable_gvt", "r");
-	if (!file)
+	fd = __drm_open_driver(DRIVER_INTEL);
+	dir = igt_sysfs_open_parameters(fd);
+	if (dir < 0)
 		return false;
 
-	if (fscanf(file, "%d", &value) == 1)
-		enabled = value;
-	fclose(file);
+	enabled = igt_sysfs_get_boolean(dir, "enable_gvt");
 
-	errno = 0;
-	return enabled;
-}
+	close(dir);
+	close(fd);
 
-static void unload_i915(void)
-{
-	kick_fbcon(false);
-	/* pkill alsact */
+	return enabled;
 
-	igt_ignore_warn(system("/sbin/modprobe -s -r i915"));
 }
 
 bool igt_gvt_load_module(void)
@@ -60,8 +55,11 @@  bool igt_gvt_load_module(void)
 	if (is_gvt_enabled())
 		return true;
 
-	unload_i915();
-	igt_ignore_warn(system("/sbin/modprobe -s i915 enable_gvt=1"));
+	if (igt_i915_driver_unload())
+		return false;
+
+	if (igt_i915_driver_load("enable_gvt=1"))
+		return false;
 
 	return is_gvt_enabled();
 }
@@ -71,8 +69,9 @@  void igt_gvt_unload_module(void)
 	if (!is_gvt_enabled())
 		return;
 
-	unload_i915();
-	igt_ignore_warn(system("/sbin/modprobe -s i915 enable_gvt=0"));
+	igt_i915_driver_unload();
+
+	igt_i915_driver_load(NULL);
 
 	igt_assert(!is_gvt_enabled());
 }
diff --git a/tests/gvt_basic.c b/tests/gvt_basic.c
index 48b853a..4e909a5 100644
--- a/tests/gvt_basic.c
+++ b/tests/gvt_basic.c
@@ -32,7 +32,7 @@  igt_main
 
 	igt_fixture {
 		igt_require(igt_gvt_load_module());
-		fd = drm_open_driver(DRIVER_INTEL);
+		fd = __drm_open_driver(DRIVER_INTEL);
 	}
 
 	igt_subtest_f("invalid-placeholder-test");