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d1091c6720
libvirt/xen-shr-pages.patch

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Index: libvirt-0.7.4/src/xen/xen_hypervisor.c
===================================================================
--- libvirt-0.7.4.orig/src/xen/xen_hypervisor.c
+++ libvirt-0.7.4/src/xen/xen_hypervisor.c
@@ -215,10 +215,26 @@ struct xen_v2d5_getdomaininfo {
};
typedef struct xen_v2d5_getdomaininfo xen_v2d5_getdomaininfo;
+struct xen_v2d6_getdomaininfo {
+ domid_t domain; /* the domain number */
+ uint32_t flags; /* flags, see before */
+ uint64_t tot_pages ALIGN_64; /* total number of pages used */
+ uint64_t max_pages ALIGN_64; /* maximum number of pages allowed */
+ uint64_t shr_pages ALIGN_64; /* number of shared pages */
+ uint64_t shared_info_frame ALIGN_64; /* MFN of shared_info struct */
+ uint64_t cpu_time ALIGN_64; /* CPU time used */
+ uint32_t nr_online_vcpus; /* Number of VCPUs currently online. */
+ uint32_t max_vcpu_id; /* Maximum VCPUID in use by this domain. */
+ uint32_t ssidref;
+ xen_domain_handle_t handle;
+};
+typedef struct xen_v2d6_getdomaininfo xen_v2d6_getdomaininfo;
+
union xen_getdomaininfo {
struct xen_v0_getdomaininfo v0;
struct xen_v2_getdomaininfo v2;
struct xen_v2d5_getdomaininfo v2d5;
+ struct xen_v2d6_getdomaininfo v2d6;
};
typedef union xen_getdomaininfo xen_getdomaininfo;
@@ -226,6 +242,7 @@ union xen_getdomaininfolist {
struct xen_v0_getdomaininfo *v0;
struct xen_v2_getdomaininfo *v2;
struct xen_v2d5_getdomaininfo *v2d5;
+ struct xen_v2d6_getdomaininfo *v2d6;
};
typedef union xen_getdomaininfolist xen_getdomaininfolist;
@@ -263,114 +280,147 @@ typedef struct xen_v2s5_availheap xen_v
#define XEN_GETDOMAININFOLIST_ALLOC(domlist, size) \
(hypervisor_version < 2 ? \
(VIR_ALLOC_N(domlist.v0, (size)) == 0) : \
- (dom_interface_version < 5 ? \
- (VIR_ALLOC_N(domlist.v2, (size)) == 0) : \
- (VIR_ALLOC_N(domlist.v2d5, (size)) == 0)))
+ (dom_interface_version == 6 ? \
+ (VIR_ALLOC_N(domlist.v2d6, (size)) == 0) : \
+ (dom_interface_version == 5 ? \
+ (VIR_ALLOC_N(domlist.v2d5, (size)) == 0) : \
+ (VIR_ALLOC_N(domlist.v2, (size)) == 0))))
#define XEN_GETDOMAININFOLIST_FREE(domlist) \
(hypervisor_version < 2 ? \
VIR_FREE(domlist.v0) : \
- (dom_interface_version < 5 ? \
- VIR_FREE(domlist.v2) : \
- VIR_FREE(domlist.v2d5)))
+ (dom_interface_version == 6 ? \
+ VIR_FREE(domlist.v2d6) : \
+ (dom_interface_version == 5 ? \
+ VIR_FREE(domlist.v2d5) : \
+ VIR_FREE(domlist.v2))))
#define XEN_GETDOMAININFOLIST_CLEAR(domlist, size) \
(hypervisor_version < 2 ? \
memset(domlist.v0, 0, sizeof(*domlist.v0) * size) : \
- (dom_interface_version < 5 ? \
- memset(domlist.v2, 0, sizeof(*domlist.v2) * size) : \
- memset(domlist.v2d5, 0, sizeof(*domlist.v2d5) * size)))
+ (dom_interface_version == 6 ? \
+ memset(domlist.v2d6, 0, sizeof(*domlist.v2d6) * size) : \
+ (dom_interface_version == 5 ? \
+ memset(domlist.v2d5, 0, sizeof(*domlist.v2d5) * size) : \
+ memset(domlist.v2, 0, sizeof(*domlist.v2) * size))))
#define XEN_GETDOMAININFOLIST_DOMAIN(domlist, n) \
(hypervisor_version < 2 ? \
domlist.v0[n].domain : \
- (dom_interface_version < 5 ? \
- domlist.v2[n].domain : \
- domlist.v2d5[n].domain))
+ (dom_interface_version == 6 ? \
+ domlist.v2d6[n].domain : \
+ (dom_interface_version == 5 ? \
+ domlist.v2d5[n].domain : \
+ domlist.v2[n].domain)))
#define XEN_GETDOMAININFOLIST_UUID(domlist, n) \
(hypervisor_version < 2 ? \
domlist.v0[n].handle : \
- (dom_interface_version < 5 ? \
- domlist.v2[n].handle : \
- domlist.v2d5[n].handle))
+ (dom_interface_version == 6 ? \
+ domlist.v2d6[n].handle : \
+ (dom_interface_version == 5 ? \
+ domlist.v2d5[n].handle : \
+ domlist.v2[n].handle)))
#define XEN_GETDOMAININFOLIST_DATA(domlist) \
(hypervisor_version < 2 ? \
(void*)(domlist->v0) : \
- (dom_interface_version < 5 ? \
- (void*)(domlist->v2) : \
- (void*)(domlist->v2d5)))
+ (dom_interface_version == 6 ? \
+ (void*)(domlist->v2d6) : \
+ (dom_interface_version == 5 ? \
+ (void*)(domlist->v2d5) : \
+ (void*)(domlist->v2))))
#define XEN_GETDOMAININFO_SIZE \
(hypervisor_version < 2 ? \
sizeof(xen_v0_getdomaininfo) : \
- (dom_interface_version < 5 ? \
- sizeof(xen_v2_getdomaininfo) : \
- sizeof(xen_v2d5_getdomaininfo)))
+ (dom_interface_version == 6 ? \
+ sizeof(xen_v2d6_getdomaininfo) : \
+ (dom_interface_version == 5 ? \
+ sizeof(xen_v2d5_getdomaininfo) : \
+ sizeof(xen_v2_getdomaininfo))))
#define XEN_GETDOMAININFO_CLEAR(dominfo) \
(hypervisor_version < 2 ? \
memset(&(dominfo.v0), 0, sizeof(xen_v0_getdomaininfo)) : \
- (dom_interface_version < 5 ? \
- memset(&(dominfo.v2), 0, sizeof(xen_v2_getdomaininfo)) : \
- memset(&(dominfo.v2d5), 0, sizeof(xen_v2d5_getdomaininfo))))
+ (dom_interface_version == 6 ? \
+ memset(&(dominfo.v2d6), 0, sizeof(xen_v2d6_getdomaininfo)) : \
+ (dom_interface_version == 5 ? \
+ memset(&(dominfo.v2d5), 0, sizeof(xen_v2d5_getdomaininfo)) : \
+ memset(&(dominfo.v2), 0, sizeof(xen_v2_getdomaininfo)))))
#define XEN_GETDOMAININFO_DOMAIN(dominfo) \
(hypervisor_version < 2 ? \
dominfo.v0.domain : \
- (dom_interface_version < 5 ? \
- dominfo.v2.domain : \
- dominfo.v2d5.domain))
+ (dom_interface_version == 6 ? \
+ dominfo.v2d6.domain : \
+ (dom_interface_version == 5 ? \
+ dominfo.v2d5.domain : \
+ dominfo.v2.domain)))
#define XEN_GETDOMAININFO_CPUTIME(dominfo) \
(hypervisor_version < 2 ? \
dominfo.v0.cpu_time : \
- (dom_interface_version < 5 ? \
- dominfo.v2.cpu_time : \
- dominfo.v2d5.cpu_time))
+ (dom_interface_version == 6 ? \
+ dominfo.v2d6.cpu_time : \
+ (dom_interface_version == 5 ? \
+ dominfo.v2d5.cpu_time : \
+ dominfo.v2.cpu_time)))
+
#define XEN_GETDOMAININFO_CPUCOUNT(dominfo) \
(hypervisor_version < 2 ? \
dominfo.v0.nr_online_vcpus : \
- (dom_interface_version < 5 ? \
- dominfo.v2.nr_online_vcpus : \
- dominfo.v2d5.nr_online_vcpus))
+ (dom_interface_version == 6 ? \
+ dominfo.v2d6.nr_online_vcpus : \
+ (dom_interface_version == 5 ? \
+ dominfo.v2d5.nr_online_vcpus : \
+ dominfo.v2.nr_online_vcpus)))
#define XEN_GETDOMAININFO_MAXCPUID(dominfo) \
(hypervisor_version < 2 ? \
dominfo.v0.max_vcpu_id : \
- (dom_interface_version < 5 ? \
- dominfo.v2.max_vcpu_id : \
- dominfo.v2d5.max_vcpu_id))
+ (dom_interface_version == 6 ? \
+ dominfo.v2d6.max_vcpu_id : \
+ (dom_interface_version == 5 ? \
+ dominfo.v2d5.max_vcpu_id : \
+ dominfo.v2.max_vcpu_id)))
#define XEN_GETDOMAININFO_FLAGS(dominfo) \
(hypervisor_version < 2 ? \
dominfo.v0.flags : \
- (dom_interface_version < 5 ? \
- dominfo.v2.flags : \
- dominfo.v2d5.flags))
+ (dom_interface_version == 6 ? \
+ dominfo.v2d6.flags : \
+ (dom_interface_version == 5 ? \
+ dominfo.v2d5.flags : \
+ dominfo.v2.flags)))
#define XEN_GETDOMAININFO_TOT_PAGES(dominfo) \
(hypervisor_version < 2 ? \
dominfo.v0.tot_pages : \
- (dom_interface_version < 5 ? \
- dominfo.v2.tot_pages : \
- dominfo.v2d5.tot_pages))
+ (dom_interface_version == 6 ? \
+ dominfo.v2d6.tot_pages : \
+ (dom_interface_version == 5 ? \
+ dominfo.v2d5.tot_pages : \
+ dominfo.v2.tot_pages)))
#define XEN_GETDOMAININFO_MAX_PAGES(dominfo) \
(hypervisor_version < 2 ? \
dominfo.v0.max_pages : \
- (dom_interface_version < 5 ? \
- dominfo.v2.max_pages : \
- dominfo.v2d5.max_pages))
+ (dom_interface_version == 6 ? \
+ dominfo.v2d6.max_pages : \
+ (dom_interface_version == 5 ? \
+ dominfo.v2d5.max_pages : \
+ dominfo.v2.max_pages)))
#define XEN_GETDOMAININFO_UUID(dominfo) \
(hypervisor_version < 2 ? \
dominfo.v0.handle : \
- (dom_interface_version < 5 ? \
- dominfo.v2.handle : \
- dominfo.v2d5.handle))
+ (dom_interface_version == 6 ? \
+ dominfo.v2d6.handle : \
+ (dom_interface_version == 5 ? \
+ dominfo.v2d5.handle : \
+ dominfo.v2.handle)))
static int
@@ -2050,6 +2100,12 @@ xenHypervisorInit(void)
DEBUG0("Using hypervisor call v2, sys ver6 dom ver5\n");
goto done;
}
+ /* Xen 4.0 */
+ dom_interface_version = 6; /* XEN_DOMCTL_INTERFACE_VERSION */
+ if (virXen_getvcpusinfo(fd, 0, 0, ipt, NULL, 0) == 0){
+ DEBUG0("Using hypervisor call v2, sys ver6 dom ver6\n");
+ goto done;
+ }
}
hypervisor_version = 1;
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