diff options
Diffstat (limited to 'lib/ioctl_wrappers.c')
| -rw-r--r-- | lib/ioctl_wrappers.c | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/lib/ioctl_wrappers.c b/lib/ioctl_wrappers.c index f224091e..818853ee 100644 --- a/lib/ioctl_wrappers.c +++ b/lib/ioctl_wrappers.c @@ -455,7 +455,7 @@ bool gem_create__has_stolen_support(int fd) if (has_stolen_support < 0) { memset(&gp, 0, sizeof(gp)); - gp.param = 36; /* CREATE_VERSION */ + gp.param = 38; /* CREATE_VERSION */ gp.value = &val; /* Do we have the extended gem_create_ioctl? */ @@ -1230,6 +1230,52 @@ bool gem_has_bsd2(int fd) has_bsd2 = has_param(fd, LOCAL_I915_PARAM_HAS_BSD2); return has_bsd2; } + +struct local_i915_gem_get_aperture { + __u64 aper_size; + __u64 aper_available_size; + __u64 version; + __u64 map_total_size; + __u64 stolen_total_size; +}; +#define DRM_I915_GEM_GET_APERTURE 0x23 +#define LOCAL_IOCTL_I915_GEM_GET_APERTURE DRM_IOR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct local_i915_gem_get_aperture) +/** + * gem_total_mappable_size: + * @fd: open i915 drm file descriptor + * + * Feature test macro to query the kernel for the total mappable size. + * + * Returns: Total mappable address space size. + */ +uint64_t gem_total_mappable_size(int fd) +{ + struct local_i915_gem_get_aperture aperture; + + memset(&aperture, 0, sizeof(aperture)); + do_ioctl(fd, LOCAL_IOCTL_I915_GEM_GET_APERTURE, &aperture); + + return aperture.map_total_size; +} + +/** + * gem_total_stolen_size: + * @fd: open i915 drm file descriptor + * + * Feature test macro to query the kernel for the total stolen size. + * + * Returns: Total stolen memory. + */ +uint64_t gem_total_stolen_size(int fd) +{ + struct local_i915_gem_get_aperture aperture; + + memset(&aperture, 0, sizeof(aperture)); + do_ioctl(fd, LOCAL_IOCTL_I915_GEM_GET_APERTURE, &aperture); + + return aperture.stolen_total_size; +} + /** * gem_available_aperture_size: * @fd: open i915 drm file descriptor |