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hv: remove 'flags' field in struct vm_io_range 

Currently, 'flags' is defined and set but never be used
  in the flow of handling i/o request after then.

Tracked-On: #861
Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Yonghua Huang 2019-08-16 14:29:55 +08:00 committed by ACRN System Integration
parent eab4e42e7b
commit 700a37856f
7 changed files with 1 additions and 16 deletions
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2
hypervisor/arch/x86/guest/pm.c
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@ -222,7 +222,6 @@ static void register_gas_io_handler(struct acrn_vm *vm, uint32_t pio_idx, const
if ((gas->address != 0UL) && (gas->space_id == SPACE_SYSTEM_IO)
&& (gas->access_size != 0U) && (gas->access_size <= 4U)) {
gas_io.flags = IO_ATTR_RW;
gas_io.base = (uint16_t)gas->address;
gas_io.len = io_len[gas->access_size];
@ -273,7 +272,6 @@ void register_rt_vm_pm1a_ctl_handler(struct acrn_vm *vm)
{
struct vm_io_range io_range;
io_range.flags = IO_ATTR_RW;
io_range.base = VIRTUAL_PM1A_CNT_ADDR;
io_range.len = 1U;

1
hypervisor/arch/x86/guest/vm_reset.c
View File

@ -226,7 +226,6 @@ void register_reset_port_handler(struct acrn_vm *vm)
struct acpi_generic_address *gas = &(host_reset_reg.reg);
struct vm_io_range io_range = {
.flags = IO_ATTR_RW,
.len = 1U
};

2
hypervisor/dm/vpci/vpci.c
View File

@ -193,13 +193,11 @@ static bool pci_cfgdata_io_write(struct acrn_vcpu *vcpu, uint16_t addr, size_t b
void vpci_init(struct acrn_vm *vm)
{
struct vm_io_range pci_cfgaddr_range = {
.flags = IO_ATTR_RW,
.base = PCI_CONFIG_ADDR,
.len = 1U
};
struct vm_io_range pci_cfgdata_range = {
.flags = IO_ATTR_RW,
.base = PCI_CONFIG_DATA,
.len = 4U
};

3
hypervisor/dm/vpic.c
View File

@ -881,17 +881,14 @@ static bool vpic_elc_io_write(struct acrn_vcpu *vcpu, uint16_t addr, size_t widt
static void vpic_register_io_handler(struct acrn_vm *vm)
{
struct vm_io_range master_range = {
.flags = IO_ATTR_RW,
.base = 0x20U,
.len = 2U
};
struct vm_io_range slave_range = {
.flags = IO_ATTR_RW,
.base = 0xa0U,
.len = 2U
};
struct vm_io_range elcr_range = {
.flags = IO_ATTR_RW,
.base = 0x4d0U,
.len = 2U
};

2
hypervisor/dm/vrtc.c
View File

@ -82,7 +82,7 @@ static bool vrtc_write(struct acrn_vcpu *vcpu, uint16_t addr, size_t width,
void vrtc_init(struct acrn_vm *vm)
{
struct vm_io_range range = {
.flags = IO_ATTR_RW, .base = CMOS_ADDR_PORT, .len = 2U};
.base = CMOS_ADDR_PORT, .len = 2U};
/* Initializing the CMOS RAM offset to 0U */
vm->vrtc_offset = 0U;

1
hypervisor/dm/vuart.c
View File

@ -468,7 +468,6 @@ static bool vuart_register_io_handler(struct acrn_vm *vm, uint16_t port_base, ui
bool ret = true;
struct vm_io_range range = {
.flags = IO_ATTR_RW,
.base = port_base,
.len = 8U
};

6
hypervisor/include/dm/io_req.h
View File

@ -41,7 +41,6 @@ struct io_request {
struct vm_io_range {
uint16_t base; /**< IO port base */
uint16_t len; /**< IO port range */
uint32_t flags; /**< IO port attributes */
};
struct vm_io_handler_desc;
@ -105,11 +104,6 @@ struct vm_io_handler_desc {
io_write_fn_t io_write;
};
#define IO_ATTR_R 0U
#define IO_ATTR_RW 1U
#define IO_ATTR_NO_ACCESS 2U
/* Typedef for MMIO handler and range check routine */
struct mmio_request;
typedef int32_t (*hv_mem_io_handler_t)(struct io_request *io_req, void *handler_private_data);