Avi's purpose, to use single kvm_set_irq() to deal with all interrupt, including
MSI. So here is it.
struct gsi_route_entry is a mapping from a special gsi(with
KVM_GSI_MSG_ENTRY_MASK) to MSI/MSI-X message address/data. And the struct can
also be extended for other purpose.
Now we support up to
Sheng Yang wrote:
On Fri, Jan 09, 2009 at 08:06:01PM +0200, Avi Kivity wrote:
Sheng Yang wrote:
+struct kvm_gsi_route_entry_guest {
what does _guest mean here? almost all kvm stuff is _guest related.
Because I can't think of a good name...
Sheng Yang wrote:
After reconsidering, I must say I prefer add/remove ioctls.
About the code size, I don't think it would increase much. I've rewritten
the code twice, I think I know the difference is little.
:( sorry about that.
For the option 2 route table ioctl, we got a array from
Avi Kivity wrote:
1. add/remove ioctls
The advantage is that very little work needs to be done when something
changes, but the code size (and bug count) doubles.
One disadvantage of add/remove is that we cannot effect a change
atomically. Probably not a big deal, but something to keep
On Sunday 11 January 2009 17:38:22 Avi Kivity wrote:
Sheng Yang wrote:
After reconsidering, I must say I prefer add/remove ioctls.
About the code size, I don't think it would increase much. I've rewritten
the code twice, I think I know the difference is little.
:( sorry about that.
:
On Fri, Jan 09, 2009 at 08:06:01PM +0200, Avi Kivity wrote:
Sheng Yang wrote:
+struct kvm_gsi_route_entry_guest {
what does _guest mean here? almost all kvm stuff is _guest related.
Because I can't think of a good name... kvm_gsi_route_entry_guest?
kvm_gsi_kernel_route_entry?
On Fri, Jan 09, 2009 at 08:06:01PM +0200, Avi Kivity wrote:
Sheng Yang wrote:
I just use it as #ifdef in userspace now, for no user other than
MSI/MSI-X now. And if we keep maintaining it in kernel, we would return
free size instead of maximum size..
We need to allow userspace to
Avi's purpose, to use single kvm_set_irq() to deal with all interrupt, including
MSI. So here is it.
struct gsi_route_entry is a mapping from a special gsi(with KVM_GSI_MSG_MASK) to
MSI/MSI-X message address/data. And the struct can also be extended for other
purpose.
Now we support up to 256
On Thu, Jan 08, 2009 at 06:45:29PM +0800, Sheng Yang wrote:
* ioctls for VM fds
@@ -433,6 +436,8 @@ struct kvm_trace_rec {
#define KVM_ASSIGN_IRQ _IOR(KVMIO, 0x70, \
struct kvm_assigned_irq)
#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
+#define
Sheng Yang wrote:
Avi's purpose, to use single kvm_set_irq() to deal with all interrupt, including
MSI. So here is it.
struct gsi_route_entry is a mapping from a special gsi(with KVM_GSI_MSG_MASK) to
MSI/MSI-X message address/data. And the struct can also be extended for other
purpose.
Now we
On Thursday 08 January 2009 22:20:22 Marcelo Tosatti wrote:
On Thu, Jan 08, 2009 at 06:45:29PM +0800, Sheng Yang wrote:
* ioctls for VM fds
@@ -433,6 +436,8 @@ struct kvm_trace_rec {
#define KVM_ASSIGN_IRQ _IOR(KVMIO, 0x70, \
struct kvm_assigned_irq)
#define
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