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hv:Change acrn_vhm_vector to static

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-- Change acrn_vhm_vector to static, only used in io_request.c
-- Add set_vhm_vector() api, it will call this api instead of
   acrn_vhm_vector except io_request.c

Tracked-On: #1842
Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
Reviewed-by: Anthony Xu <anthony.xu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Mingqiang Chi 2019-01-15 15:24:00 +08:00 committed by wenlingz
parent b22c8b696b
commit 8265770f05
4 changed files with 15 additions and 3 deletions
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2
hypervisor/common/hypercall.c
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@ -1138,7 +1138,7 @@ int32_t hcall_set_callback_vector(const struct acrn_vm *vm, uint64_t param)
pr_err("%s: Invalid passed vector\n");
ret = -EINVAL;
} else {
acrn_vhm_vector = (uint32_t)param;
set_vhm_vector((uint32_t)param);
ret = 0;
}

7
hypervisor/common/io_request.c
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@ -7,7 +7,7 @@
#define ACRN_DBG_IOREQUEST 6U
uint32_t acrn_vhm_vector = VECTOR_VIRT_IRQ_VHM;
static uint32_t acrn_vhm_vector = VECTOR_VIRT_IRQ_VHM;
static void fire_vhm_interrupt(void)
{
@ -195,3 +195,8 @@ void set_vhm_req_state(struct acrn_vm *vm, uint16_t vhm_req_id, uint32_t state)
clac();
}
}
void set_vhm_vector(uint32_t vector)
{
acrn_vhm_vector = vector;
}

8
hypervisor/include/arch/x86/ioreq.h
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@ -316,6 +316,14 @@ uint32_t get_vhm_req_state(struct acrn_vm *vm, uint16_t vhm_req_id);
*/
void set_vhm_req_state(struct acrn_vm *vm, uint16_t vhm_req_id, uint32_t state);
/**
* @brief Set the vector for HV callback VHM
*
* @param vector vector for HV callback VHM
* @return None
*/
void set_vhm_vector(uint32_t vector);
/**
* @}
*/

1
hypervisor/include/arch/x86/irq.h
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@ -244,7 +244,6 @@ void interrupt_init(uint16_t pcpu_id);
void cancel_event_injection(struct acrn_vcpu *vcpu);
extern uint32_t acrn_vhm_vector;
extern uint64_t irq_alloc_bitmap[IRQ_ALLOC_BITMAP_SIZE];
/**