# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1233847689 0
# Node ID 191643d4307c08ee2aa4b73c3d628fbc82c538da
# Parent 92557a0b021fe02a69f6ce7fc5660d50b8f092c8
libxenctrl: adds xc_domain_unbind_msi_irq to libxc.
The function is needed to unbind MSI/MSI-X on transition from D3hot
state to D0 state.
Signed-off-by: Yuji Shimada <shimada-yxb@xxxxxxxxxxxxxxx>
---
tools/libxc/xc_domain.c | 26 ++++++++++++++++++++++++++
tools/libxc/xenctrl.h | 6 ++++++
2 files changed, 32 insertions(+)
diff -r 92557a0b021f -r 191643d4307c tools/libxc/xc_domain.c
--- a/tools/libxc/xc_domain.c Thu Feb 05 15:08:53 2009 +0000
+++ b/tools/libxc/xc_domain.c Thu Feb 05 15:28:09 2009 +0000
@@ -941,6 +941,32 @@ int xc_domain_update_msi_irq(
return rc;
}
+int xc_domain_unbind_msi_irq(
+ int xc_handle,
+ uint32_t domid,
+ uint32_t gvec,
+ uint32_t pirq,
+ uint32_t gflags)
+{
+ int rc;
+ xen_domctl_bind_pt_irq_t *bind;
+
+ DECLARE_DOMCTL;
+
+ domctl.cmd = XEN_DOMCTL_unbind_pt_irq;
+ domctl.domain = (domid_t)domid;
+
+ bind = &(domctl.u.bind_pt_irq);
+ bind->hvm_domid = domid;
+ bind->irq_type = PT_IRQ_TYPE_MSI;
+ bind->machine_irq = pirq;
+ bind->u.msi.gvec = gvec;
+ bind->u.msi.gflags = gflags;
+
+ rc = do_domctl(xc_handle, &domctl);
+ return rc;
+}
+
/* Pass-through: binds machine irq to guests irq */
int xc_domain_bind_pt_irq(
int xc_handle,
diff -r 92557a0b021f -r 191643d4307c tools/libxc/xenctrl.h
--- a/tools/libxc/xenctrl.h Thu Feb 05 15:08:53 2009 +0000
+++ b/tools/libxc/xenctrl.h Thu Feb 05 15:28:09 2009 +0000
@@ -1094,6 +1094,12 @@ int xc_domain_update_msi_irq(
uint32_t pirq,
uint32_t gflags);
+int xc_domain_unbind_msi_irq(int xc_handle,
+ uint32_t domid,
+ uint32_t gvec,
+ uint32_t pirq,
+ uint32_t gflags);
+
int xc_domain_bind_pt_irq(int xc_handle,
uint32_t domid,
uint8_t machine_irq,
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