Hi Paul.
--- a/xen/include/xen/sched.h
+++ b/xen/include/xen/sched.h
@@ -314,6 +314,8 @@ struct sched_unit {
struct evtchn_port_ops;
+#define MAX_NR_IOREQ_SERVERS 8
+
struct domain
{
domid_t domain_id;
@@ -521,6 +523,21 @@ struct domain
/* Argo interdomain communication support */
struct argo_domain *argo;
#endif
+
+#ifdef CONFIG_IOREQ_SERVER
+ /* Guest page range used for non-default ioreq servers */
+ struct {
+ unsigned long base;
+ unsigned long mask;
+ unsigned long legacy_mask; /* indexed by HVM param number */
+ } ioreq_gfn;
I assume the whole ioreq_gfn struct doesn't need to be here. According
to the new requirement to leave legacy interface x86 specific,
these fields won't be used in common code anymore. I will move ioreq_gfn
struct back to hvm_domain. Please confirm.
+
+ /* Lock protects all other values in the sub-struct and the default */
+ struct {
+ spinlock_t lock;
+ struct ioreq_server *server[MAX_NR_IOREQ_SERVERS];
+ } ioreq_server;
+#endif
};
static inline struct page_list_head *page_to_list(
--
Regards,
Oleksandr Tyshchenko
