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acrn-hypervisor
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HV: increase UOS VIOAPIC pin count 

To avoid UOS virtual GSI sharing

Signed-off-by: Edwin Zhai <edwin.zhai@intel.com>
This commit is contained in:
Edwin Zhai 2018-05-15 09:37:37 +08:00 committed by lijinxia
parent 3efef5790c
commit e1bb372763
2 changed files with 8 additions and 2 deletions
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3
hypervisor/arch/x86/guest/vioapic.c
View File

@ -41,7 +41,6 @@
#define IOEOI 0x40
#define REDIR_ENTRIES_HW 120 /* SOS align with native ioapic */
#define REDIR_ENTRIES_UOS 24 /* UOS pins*/
#define RTBL_RO_BITS ((uint64_t)(IOAPIC_RTE_REM_IRR | IOAPIC_RTE_DELIVS))
#define ACRN_DBG_IOAPIC 6
@ -568,7 +567,7 @@ vioapic_pincount(struct vm *vm)
if (is_vm0(vm))
return REDIR_ENTRIES_HW;
else
return REDIR_ENTRIES_UOS;
return VIOAPIC_RTE_NUM;
}
int vioapic_mmio_access_handler(struct vcpu *vcpu, struct mem_io *mmio,

7
hypervisor/include/public/acrn_common.h
View File

@ -63,6 +63,13 @@
#define REQUEST_READ 0
#define REQUEST_WRITE 1
/* IOAPIC device model info */
#define VIOAPIC_RTE_NUM 48 /* vioapic pins */
#if VIOAPIC_RTE_NUM < 24
#error "VIOAPIC_RTE_NUM must be larger than 23"
#endif
/* Generic VM flags from guest OS */
#define SECURE_WORLD_ENABLED (1UL<<0) /* Whether secure world is enabled */