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HV: make io_write_fn_t return true or false

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This patch makes io_write_fn_t return true or false instead of void.
Returning true means that the handler in HV process the request completely.
Returning false means that we need to re-inject the request to DM after
processing it in HV.

Tracked-On: #2865
Signed-off-by: Kaige Fu <kaige.fu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Kaige Fu
2019-03-28 14:36:50 +00:00
committed by ACRN System Integration
parent ed286e3239
commit 3b2ad67788
7 changed files with 33 additions and 15 deletions
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10
hypervisor/dm/vrtc.c
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@@ -58,16 +58,14 @@ static uint32_t vrtc_read(struct acrn_vm *vm, uint16_t addr, __unused size_t wid
return reg;
}
static void vrtc_write(struct acrn_vm *vm, uint16_t addr, size_t width,
static bool vrtc_write(struct acrn_vm *vm, uint16_t addr, size_t width,
uint32_t value)
{
if (width != 1U)
return;
if (addr == CMOS_ADDR_PORT) {
if ((width == 1U) && (addr == CMOS_ADDR_PORT)) {
vm->vrtc_offset = value & 0x7FU;
}
return true;
}
void vrtc_init(struct acrn_vm *vm)