[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [kvm-unit-tests PATCH 7/8] intel-iommu: allow setup trigger
From: |
Peter Xu |
Subject: |
[Qemu-devel] [kvm-unit-tests PATCH 7/8] intel-iommu: allow setup trigger mode for irte |
Date: |
Fri, 30 Dec 2016 16:55:59 +0800 |
IOAPIC interrupts need this. Let's be prepared.
Signed-off-by: Peter Xu <address@hidden>
---
lib/x86/intel-iommu.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/lib/x86/intel-iommu.c b/lib/x86/intel-iommu.c
index a3ce678..0585248 100644
--- a/lib/x86/intel-iommu.c
+++ b/lib/x86/intel-iommu.c
@@ -250,13 +250,13 @@ static uint16_t vtd_intr_index_alloc(void)
}
static void vtd_setup_irte(struct pci_dev *dev, vtd_irte_t *irte,
- int vector, int dest_id)
+ int vector, int dest_id, trigger_mode_t trigger)
{
assert(sizeof(vtd_irte_t) == 16);
memset(irte, 0, sizeof(*irte));
irte->fault_disable = 1;
irte->dest_mode = 0; /* physical */
- irte->trigger_mode = 0; /* edge */
+ irte->trigger_mode = trigger;
irte->delivery_mode = 0; /* fixed */
irte->irte_mode = 0; /* remapped */
irte->vector = vector;
@@ -301,7 +301,9 @@ bool vtd_setup_msi(struct pci_dev *dev, int vector, int
dest_id)
assert(sizeof(vtd_msi_addr_t) == 8);
assert(sizeof(vtd_msi_data_t) == 4);
- vtd_setup_irte(dev, irte + index, vector, dest_id);
+ /* Use edge irq as default */
+ vtd_setup_irte(dev, irte + index, vector,
+ dest_id, TRIGGER_EDGE);
msi_addr.handle_15 = index >> 15 & 1;
msi_addr.shv = 0;
--
2.7.4
- [Qemu-devel] [kvm-unit-tests PATCH 0/8] VT-d ioapic irq test, Peter Xu, 2016/12/30
- [Qemu-devel] [kvm-unit-tests PATCH 1/8] pci: introduce pci_intx_line(), Peter Xu, 2016/12/30
- [Qemu-devel] [kvm-unit-tests PATCH 2/8] pci: introduce pci_msi_set_enable(), Peter Xu, 2016/12/30
- [Qemu-devel] [kvm-unit-tests PATCH 3/8] lib/asm-generic: add atomic.h, Peter Xu, 2016/12/30
- [Qemu-devel] [kvm-unit-tests PATCH 4/8] x86: ioapic: generalize trigger mode, Peter Xu, 2016/12/30
- [Qemu-devel] [kvm-unit-tests PATCH 5/8] intel-iommu: add report prefixes, Peter Xu, 2016/12/30
- [Qemu-devel] [kvm-unit-tests PATCH 6/8] intel-iommu: use atomic ops for irte index alloc, Peter Xu, 2016/12/30
- [Qemu-devel] [kvm-unit-tests PATCH 7/8] intel-iommu: allow setup trigger mode for irte,
Peter Xu <=
- [Qemu-devel] [kvm-unit-tests PATCH 8/8] intel-iommu: add ioapic irq test, Peter Xu, 2016/12/30