From 767a554a0c752cff1e1d17550aefd4e9dca881d6 Mon Sep 17 00:00:00 2001 From: Pavel Fedin Date: Tue, 4 Oct 2016 13:28:09 +0100 Subject: kvm-all: Pass requester ID to MSI routing functions Introduce global kvm_msi_use_devid flag plus associated kvm_msi_devid_required() macro. Passes the device ID, if needed, while building the MSI route entry. Device IDs are required by the ARM GICv3 ITS (IRQ remapping function is based on this information). Signed-off-by: Pavel Fedin Signed-off-by: Eric Auger Message-id: 1474616617-366-5-git-send-email-eric.auger@redhat.com Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- include/sysemu/kvm.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'include') diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index 3e17ba76ce..df67cc0672 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -53,6 +53,7 @@ extern bool kvm_gsi_direct_mapping; extern bool kvm_readonly_mem_allowed; extern bool kvm_direct_msi_allowed; extern bool kvm_ioeventfd_any_length_allowed; +extern bool kvm_msi_use_devid; #if defined CONFIG_KVM || !defined NEED_CPU_H #define kvm_enabled() (kvm_allowed) @@ -169,6 +170,13 @@ extern bool kvm_ioeventfd_any_length_allowed; */ #define kvm_ioeventfd_any_length_enabled() (kvm_ioeventfd_any_length_allowed) +/** + * kvm_msi_devid_required: + * Returns: true if KVM requires a device id to be provided while + * defining an MSI routing entry. + */ +#define kvm_msi_devid_required() (kvm_msi_use_devid) + #else #define kvm_enabled() (0) #define kvm_irqchip_in_kernel() (false) @@ -184,6 +192,7 @@ extern bool kvm_ioeventfd_any_length_allowed; #define kvm_readonly_mem_enabled() (false) #define kvm_direct_msi_enabled() (false) #define kvm_ioeventfd_any_length_enabled() (false) +#define kvm_msi_devid_required() (false) #endif struct kvm_run; -- cgit v1.2.3-55-g7522