On 07/05/2009 04:04 PM, Michael S. Tsirkin wrote:
Support msi-x with irqchip in kernel: allocate entries
when they are used, and update when they are unmasked.
/* Declaration from linux/pci_regs.h */
#define PCI_CAP_ID_MSIX 0x11 /* MSI-X */
@@ -109,6 +110,18 @@ static int msix_add_config(struct PCIDevice *pdev, unsigned short nentries,
static void msix_free_irq_entries(PCIDevice *dev)
{
int vector;
+ if (kvm_enabled()&& qemu_kvm_irqchip_in_kernel()) {
+ int changed = 0;
+ for (vector = 0; vector< dev->msix_entries_nr; ++vector) {
+ if (dev->msix_entry_used[vector]) {
+ kvm_del_routing_entry(kvm_context,&dev->msix_irq_entries[vector]);
+ changed = 1;
+ }
+ }
+ if (changed) {
+ kvm_commit_irq_routes(kvm_context);
+ }
+ }
Please move this into a helper. Ditto all the code hunks in msix functions.
--
error compiling committee.c: too many arguments to function
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