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hv[v2]: remove registration of default port IO and MMIO handlers

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- The default behaviors of PIO & MMIO handlers are same
   for all VMs, no need to expose dedicated APIs to register
   default hanlders for SOS and prelaunched VM.

Tracked-On: #3904
Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
This commit is contained in:
Yonghua Huang
2019-10-18 15:40:51 +08:00
committed by wenlingz
parent 73b8c91e06
commit 2e62ad9574
4 changed files with 12 additions and 47 deletions
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36
hypervisor/dm/io_req.c
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@@ -414,8 +414,13 @@ hv_emulate_pio(struct acrn_vcpu *vcpu, struct io_request *io_req)
struct acrn_vm *vm = vcpu->vm;
struct pio_request *pio_req = &io_req->reqs.pio;
struct vm_io_handler_desc *handler;
io_read_fn_t io_read = vm->default_io_read;
io_write_fn_t io_write = vm->default_io_write;
io_read_fn_t io_read = NULL;
io_write_fn_t io_write = NULL;
if (is_sos_vm(vcpu->vm) || is_prelaunched_vm(vcpu->vm)) {
io_read = pio_default_read;
io_write = pio_default_write;
}
port = (uint16_t)pio_req->address;
size = (uint16_t)pio_req->size;
@@ -472,9 +477,13 @@ hv_emulate_mmio(struct acrn_vcpu *vcpu, struct io_request *io_req)
uint64_t address, size;
struct mmio_request *mmio_req = &io_req->reqs.mmio;
struct mem_io_node *mmio_handler = NULL;
hv_mem_io_handler_t read_write = vcpu->vm->default_read_write;
hv_mem_io_handler_t read_write = NULL;
void *handler_private_data = NULL;
if (is_sos_vm(vcpu->vm) || is_prelaunched_vm(vcpu->vm)) {
read_write = mmio_default_access_handler;
}
address = mmio_req->address;
size = mmio_req->size;
@@ -654,24 +663,3 @@ void register_mmio_emulation_handler(struct acrn_vm *vm,
}
}
/**
* @brief Register port I/O default handler
*
* @param vm The VM to which the port I/O handlers are registered
*/
void register_pio_default_emulation_handler(struct acrn_vm *vm)
{
vm->default_io_read = pio_default_read;
vm->default_io_write = pio_default_write;
}
/**
* @brief Register MMIO default handler
*
* @param vm The VM to which the MMIO handler is registered
*/
void register_mmio_default_emulation_handler(struct acrn_vm *vm)
{
vm->default_read_write = mmio_default_access_handler;
}