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xf86drm: implement drmParsePciDeviceInfo for OpenBSD 

Implement drmParsePciDeviceInfo for OpenBSD by using the new
DRM_IOCTL_GET_PCIINFO ioctl.

v2: adapt to drmParsePciDeviceInfo changes and use drmOpenMinor

Signed-off-by: Jonathan Gray <jsg@jsg.id.au>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
main
Jonathan Gray 2016-12-01 15:18:41 +11:00 committed by Emil Velikov
parent d05b9f2dde
commit c0ef1d0788
1 changed files with 41 additions and 0 deletions
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41
xf86drm.c
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@ -102,6 +102,22 @@
#define DRM_MAJOR 226 /* Linux */ #define DRM_MAJOR 226 /* Linux */
#endif #endif
#ifdef __OpenBSD__
struct drm_pciinfo {
uint16_t domain;
uint8_t bus;
uint8_t dev;
uint8_t func;
uint16_t vendor_id;
uint16_t device_id;
uint16_t subvendor_id;
uint16_t subdevice_id;
uint8_t revision_id;
};
#define DRM_IOCTL_GET_PCIINFO DRM_IOR(0x15, struct drm_pciinfo)
#endif
#define DRM_MSG_VERBOSITY 3 #define DRM_MSG_VERBOSITY 3
#define memclear(s) memset(&s, 0, sizeof(s)) #define memclear(s) memset(&s, 0, sizeof(s))
@ -3060,6 +3076,31 @@ static int drmParsePciDeviceInfo(int maj, int min,
if (parse_separate_sysfs_files(maj, min, device, false)) if (parse_separate_sysfs_files(maj, min, device, false))
return parse_config_sysfs_file(maj, min, device); return parse_config_sysfs_file(maj, min, device);
return 0;
#elif defined(__OpenBSD__)
struct drm_pciinfo pinfo;
int fd, type;
type = drmGetMinorType(min);
if (type == -1)
return -ENODEV;
fd = drmOpenMinor(min, 0, type);
if (fd < 0)
return -errno;
if (drmIoctl(fd, DRM_IOCTL_GET_PCIINFO, &pinfo)) {
close(fd);
return -errno;
}
close(fd);
device->vendor_id = pinfo.vendor_id;
device->device_id = pinfo.device_id;
device->revision_id = pinfo.revision_id;
device->subvendor_id = pinfo.subvendor_id;
device->subdevice_id = pinfo.subdevice_id;
return 0; return 0;
#else #else
#warning "Missing implementation of drmParsePciDeviceInfo" #warning "Missing implementation of drmParsePciDeviceInfo"