[PATCH libdrm v2 3/5] xf86drm: implement drmParsePciDeviceInfo for OpenBSD
Jonathan Gray
jsg at jsg.id.au
Thu Dec 1 04:18:41 UTC 2016
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 at jsg.id.au>
---
xf86drm.c | 41 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/xf86drm.c b/xf86drm.c
index 35c1fc4..6465953 100644
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -102,6 +102,22 @@
#define DRM_MAJOR 226 /* Linux */
#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 memclear(s) memset(&s, 0, sizeof(s))
@@ -3061,6 +3077,31 @@ static int drmParsePciDeviceInfo(int maj, int min,
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;
#else
#warning "Missing implementation of drmParsePciDeviceInfo"
return -EINVAL;
--
2.10.2
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