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KVM: kvm_io_device: extend in_range() to manage len and write attribute

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Modify member in_range() of structure kvm_io_device to pass length and the type
of the I/O (write or read).

This modification allows to use kvm_io_device with coalesced MMIO.

Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Laurent Vivier
2008-05-30 16:05:53 +02:00
committed by Avi Kivity
parent 131d82791b
commit 92760499d0
9 changed files with 40 additions and 25 deletions
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5
virt/kvm/kvm_main.c
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@@ -1350,14 +1350,15 @@ void kvm_io_bus_destroy(struct kvm_io_bus *bus)
}
}
struct kvm_io_device *kvm_io_bus_find_dev(struct kvm_io_bus *bus, gpa_t addr)
struct kvm_io_device *kvm_io_bus_find_dev(struct kvm_io_bus *bus,
gpa_t addr, int len, int is_write)
{
int i;
for (i = 0; i < bus->dev_count; i++) {
struct kvm_io_device *pos = bus->devs[i];
if (pos->in_range(pos, addr))
if (pos->in_range(pos, addr, len, is_write))
return pos;
}