motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-06 01:03:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

kvm-all: Pass requester ID to MSI routing functions

Browse source 
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 <p.fedin@samsung.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1474616617-366-5-git-send-email-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Pavel Fedin 2016-10-04 13:28:09 +01:00 • committed by Peter Maydell
parent 1b20616f26
commit 767a554a0c
3 changed files with 19 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

9
include/sysemu/kvm.h
View file

@ -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;