Avi,
This is the updated patch for libkvm part to adapt get/set
irqchip ioctls.
Thanks,
Qing
kvm: libkvm: in-kernel irqchip get/set ioctls
This patch allows save and restore of in-kernel irqchips
Signed-off-by: Yaozu (Eddie) Dong <[EMAIL PROTECTED]>
Signed-off-by: Qing He <[EMAIL PROTECTED]>
----
kvmctl.c | 24 ++++++++++++++++++++++++
kvmctl.h | 23 +++++++++++++++++++++++
2 files changed, 47 insertions(+)
diff --git a/user/kvmctl.c b/user/kvmctl.c
index 50f5021..51d1fc8 100644
--- a/user/kvmctl.c
+++ b/user/kvmctl.c
@@ -432,6 +432,30 @@ int kvm_set_irq_level(kvm_context_t kvm, int irq,
int level)
return 1;
}
+int kvm_get_irqchip(kvm_context_t kvm, struct kvm_irqchip *chip)
+{
+ int r;
+
+ if (!kvm->irqchip_in_kernel)
+ return 0;
+ r = ioctl(kvm->vm_fd, KVM_GET_IRQCHIP, chip);
+ if (r == -1)
+ perror("kvm_get_irqchip\n");
+ return 1;
+}
+
+int kvm_set_irqchip(kvm_context_t kvm, struct kvm_irqchip *chip)
+{
+ int r;
+
+ if (!kvm->irqchip_in_kernel)
+ return 0;
+ r = ioctl(kvm->vm_fd, KVM_SET_IRQCHIP, chip);
+ if (r == -1)
+ perror("kvm_set_irqchip\n");
+ return 1;
+}
+
static int handle_io_abi10(kvm_context_t kvm, struct kvm_run_abi10
*run,
int vcpu)
{
diff --git a/user/kvmctl.h b/user/kvmctl.h
index 0c65f4e..e3e3ebf 100644
--- a/user/kvmctl.h
+++ b/user/kvmctl.h
@@ -421,4 +421,27 @@ int kvm_dirty_pages_log_reset(kvm_context_t kvm);
*/
int kvm_irqchip_in_kernel(kvm_context_t kvm);
+/*!
+ * \brief Dump in kernel IRQCHIP contents
+ *
+ * Dump one of the in kernel irq chip devices, including PIC
(master/slave)
+ * and IOAPIC into a kvm_irqchip structure
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param chip The irq chip device to be dumped
+ */
+int kvm_get_irqchip(kvm_context_t kvm, struct kvm_irqchip *chip);
+
+/*!
+ * \brief Set in kernel IRQCHIP contents
+ *
+ * Write one of the in kernel irq chip devices, including PIC
(master/slave)
+ * and IOAPIC
+ *
+ *
+ * \param kvm Pointer to the current kvm_context
+ * \param chip THe irq chip device to be written
+ */
+int kvm_set_irqchip(kvm_context_t kvm, struct kvm_irqchip *chip);
+
#endif
kvm-live-pic-libkvm.patch
Description: kvm-live-pic-libkvm.patch
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