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[2/4] kvm: Introduce kvm_has_intx_set_mask

Message ID 16d9657031c41111501ada49f8d68fe1deed557f.1346048917.git.jan.kiszka@web.de
State New
Headers show

Commit Message

Jan Kiszka Aug. 27, 2012, 6:28 a.m. UTC 
From: Jan Kiszka <jan.kiszka@siemens.com>

Will be used by PCI device assignment code.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 kvm-all.c |    8 ++++++++
 kvm.h     |    1 +
 2 files changed, 9 insertions(+), 0 deletions(-)
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Patch

diff --git a/kvm-all.c b/kvm-all.c
index fd9d9b4..84d4f7f 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -88,6 +88,7 @@  struct KVMState
     int pit_state2;
     int xsave, xcrs;
     int many_ioeventfds;
+    int intx_set_mask;
     /* The man page (and posix) say ioctl numbers are signed int, but
      * they're not.  Linux, glibc and *BSD all treat ioctl numbers as
      * unsigned, and treating them as signed here can break things */
@@ -1387,6 +1388,8 @@  int kvm_init(void)
         s->irq_set_ioctl = KVM_IRQ_LINE_STATUS;
     }
 
+    s->intx_set_mask = kvm_check_extension(s, KVM_CAP_PCI_2_3);
+
     ret = kvm_arch_init(s);
     if (ret < 0) {
         goto err;
@@ -1739,6 +1742,11 @@  int kvm_has_gsi_routing(void)
 #endif
 }
 
+int kvm_has_intx_set_mask(void)
+{
+    return kvm_state->intx_set_mask;
+}
+
 void *kvm_vmalloc(ram_addr_t size)
 {
 #ifdef TARGET_S390X
diff --git a/kvm.h b/kvm.h
index 5cefe3a..dea2998 100644
--- a/kvm.h
+++ b/kvm.h
@@ -117,6 +117,7 @@  int kvm_has_xcrs(void);
 int kvm_has_pit_state2(void);
 int kvm_has_many_ioeventfds(void);
 int kvm_has_gsi_routing(void);
+int kvm_has_intx_set_mask(void);
 
 #ifdef NEED_CPU_H
 int kvm_init_vcpu(CPUArchState *env);