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| author | Pavel Fedin <p.fedin@samsung.com> | 2016-10-04 13:28:09 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2016-10-04 13:28:09 +0100 |
| commit | 0c9f302ea2906eb763cd175134e34d23ed4fea6a (patch) | |
| tree | 77eb2692236a515e1c3387dde3037c3949d6c797 /hw/core/generic-loader.c | |
| parent | 767a554a0c752cff1e1d17550aefd4e9dca881d6 (diff) | |
| download | focaccia-qemu-0c9f302ea2906eb763cd175134e34d23ed4fea6a.tar.gz focaccia-qemu-0c9f302ea2906eb763cd175134e34d23ed4fea6a.zip | |
hw/intc/arm_gicv3_its: Implement support for in-kernel ITS emulation
The ITS control frame is in-kernel emulated while accesses to the GITS_TRANSLATER are mediated through the KVM_SIGNAL_MSI ioctl (MSI direct MSI injection advertised by the CAP_SIGNAL_MSI capability) the kvm_gsi_direct_mapping is explicitly set to false to emphasize the difference with GICv2M. Direct mapping cannot work with ITS since the content of the MSI data is not the target interrupt ID but an eventd id. GSI routing is advertised (kvm_gsi_routing_allowed) as well as msi/irqfd signaling (kvm_msi_via_irqfd_allowed). The MSI frame (GITS_TRANSLATER) absolute GPA is computed on first kvm_its_send_msi() call. It is then passed through KVM_SIGNAL_MSI ioctl. Signed-off-by: Pavel Fedin <p.fedin@samsung.com> Signed-off-by: Eric Auger <eric.auger@redhat.com> Message-id: 1474616617-366-6-git-send-email-eric.auger@redhat.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/core/generic-loader.c')
0 files changed, 0 insertions, 0 deletions