From: t_jeang <devnull@localhost>
Date: Tue, 6 Jan 2009 12:06:04 +0000 (+0000)
Subject: Add a new ioctl to /proc/xen/privcmd which allows SCHEDOP_shutdown to
X-Git-Tag: privcmd_hvmop
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=2a2f6d4d8690599ccfa635963da9c77b6d3ed165;p=xenclient%2Fkernel.git

Add a new ioctl to /proc/xen/privcmd which allows SCHEDOP_shutdown to
be applied on restricted fds.
---

diff --git a/drivers/xen/privcmd/privcmd.c b/drivers/xen/privcmd/privcmd.c
index 637571ed..8d3b81ee 100644
--- a/drivers/xen/privcmd/privcmd.c
+++ b/drivers/xen/privcmd/privcmd.c
@@ -386,6 +386,18 @@ static long privcmd_ioctl(struct file *file,
         }
         break;
 
+        case IOCTL_PRIVCMD_SHUTDOWN: {
+                sched_remote_shutdown_t srs;
+
+                if (copy_from_user(&srs, udata, sizeof(srs)))
+                        return -EFAULT;
+                if (fdata->restrict_domid != UNRESTRICTED_DOMID &&
+                    fdata->restrict_domid != srs.domain_id)
+                        return -EACCES;
+                ret = HYPERVISOR_sched_op(SCHEDOP_remote_shutdown, &srs);
+        }
+        break;
+
 	default:
 		ret = -EINVAL;
 		break;
diff --git a/include/xen/public/privcmd.h b/include/xen/public/privcmd.h
index 20d2e27a..5b048f7b 100644
--- a/include/xen/public/privcmd.h
+++ b/include/xen/public/privcmd.h
@@ -103,5 +103,7 @@ typedef struct privcmd_hvmop {
 	_IOC(_IOC_NONE, 'P', 5, sizeof(xen_domctl_t))
 #define IOCTL_PRIVCMD_HVMOP					\
 	_IOC(_IOC_NONE, 'P', 6, sizeof(privcmd_hvmop_t))
+#define IOCTL_PRIVCMD_SHUTDOWN					\
+	_IOC(_IOC_NONE, 'P', 7, sizeof(sched_remote_shutdown_t))
 
 #endif /* __LINUX_PUBLIC_PRIVCMD_H__ */