@@ -96,7 +96,8 @@ static struct msi_domain_ops its_pci_msi_ops = {
static struct msi_domain_info its_pci_msi_domain_info = {
.flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
- MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX),
+ MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX |
+ MSI_FLAG_IRQ_REMAPPING),
.ops = &its_pci_msi_ops,
.chip = &its_msi_irq_chip,
};
@@ -63,7 +63,8 @@ static struct msi_domain_ops its_pmsi_ops = {
};
static struct msi_domain_info its_pmsi_domain_info = {
- .flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS),
+ .flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
+ MSI_FLAG_IRQ_REMAPPING),
.ops = &its_pmsi_ops,
.chip = &its_pmsi_irq_chip,
};
The ITS is the first ARM MSI controller advertising the new MSI_FLAG_IRQ_REMAPPING flag. It does so because it supports interrupt translation service. This HW support offers isolation of MSIs, feature used when using KVM device passthrough. Signed-off-by: Eric Auger <eric.auger@linaro.org> --- v5: new --- drivers/irqchip/irq-gic-v3-its-pci-msi.c | 3 ++- drivers/irqchip/irq-gic-v3-its-platform-msi.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) -- 1.9.1