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| author | Keir Fraser <keir.fraser@citrix.com> | 2009-03-02 10:26:37 +0000 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2009-03-02 10:26:37 +0000 |
| commit | 34097f0d30802ecdc6da79658090fab9479a0c1c (patch) | |
| tree | 423d444c93600913ad32934d48c52bfca0694f64 /tools/libxc/xc_domain.c | |
| parent | ec9db49cf0ecd3edc6a8f34dec1e6688f8bdbb35 (diff) | |
| download | xen-34097f0d30802ecdc6da79658090fab9479a0c1c.tar.gz xen-34097f0d30802ecdc6da79658090fab9479a0c1c.tar.bz2 xen-34097f0d30802ecdc6da79658090fab9479a0c1c.zip | |
hvm: passthrough MSI-X mask bit acceleration
Add a new parameter to DOMCTL_bind_pt_irq to allow Xen to know the
guest physical address of MSI-X table. Also add a new MMIO intercept
handler to intercept that gpa in order to handle MSI-X vector mask
bit operation in the hypervisor. This reduces the load of device model
considerably if the guest does mask and unmask frequently
Signed-off-by: Qing He <qing.he@intel.com>
Diffstat (limited to 'tools/libxc/xc_domain.c')
| -rw-r--r-- | tools/libxc/xc_domain.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/libxc/xc_domain.c b/tools/libxc/xc_domain.c index 5e977307cf..6ed4f52ec3 100644 --- a/tools/libxc/xc_domain.c +++ b/tools/libxc/xc_domain.c @@ -920,7 +920,8 @@ int xc_domain_update_msi_irq( uint32_t domid, uint32_t gvec, uint32_t pirq, - uint32_t gflags) + uint32_t gflags, + uint64_t gtable) { int rc; xen_domctl_bind_pt_irq_t *bind; @@ -936,6 +937,7 @@ int xc_domain_update_msi_irq( bind->machine_irq = pirq; bind->u.msi.gvec = gvec; bind->u.msi.gflags = gflags; + bind->u.msi.gtable = gtable; rc = do_domctl(xc_handle, &domctl); return rc; |