hv:Replace vuart pointer with instance in structure vm

-- update 'vuart' field in 'struct vm' from pointer
   to instance
-- replace MACRO with inline function for vm_vuart,
   and move it to vm.h
-- change vuart_init to void type
-- rename struct vuart -->struct acrn_vuart

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
2018-08-22 15:42:46 +08:00
committed by lijinxia
parent 0b54946bac
commit 29dbd1084d
9 changed files with 53 additions and 64 deletions

View File

@@ -41,8 +41,6 @@
#define vuart_lock(vu) spinlock_obtain(&((vu)->lock))
#define vuart_unlock(vu) spinlock_release(&((vu)->lock))
#define vm_vuart(vm) (vm->vuart)
#ifdef CONFIG_PARTITION_MODE
int8_t vuart_vmid = - 1;
#endif
@@ -100,7 +98,7 @@ static uint32_t fifo_numchars(struct fifo *fifo)
*
* Return an interrupt reason if one is available.
*/
static uint8_t vuart_intr_reason(struct vuart *vu)
static uint8_t vuart_intr_reason(struct acrn_vuart *vu)
{
if (((vu->lsr & LSR_OE) != 0U) && ((vu->ier & IER_ELSI) != 0U)) {
return IIR_RLS;
@@ -118,7 +116,7 @@ static uint8_t vuart_intr_reason(struct vuart *vu)
* Toggle the COM port's intr pin depending on whether or not we have an
* interrupt condition to report to the processor.
*/
static void vuart_toggle_intr(struct vuart *vu)
static void vuart_toggle_intr(struct acrn_vuart *vu)
{
uint8_t intr_reason;
@@ -139,7 +137,7 @@ static void vuart_write(__unused struct vm_io_handler *hdlr, struct vm *vm,
uint16_t offset_arg, __unused size_t width, uint32_t value)
{
uint16_t offset = offset_arg;
struct vuart *vu = vm_vuart(vm);
struct acrn_vuart *vu = vm_vuart(vm);
uint8_t value_u8 = (uint8_t)value;
offset -= vu->base;
@@ -226,7 +224,7 @@ static uint32_t vuart_read(__unused struct vm_io_handler *hdlr, struct vm *vm,
{
uint16_t offset = offset_arg;
uint8_t iir, reg, intr_reason;
struct vuart *vu = vm_vuart(vm);
struct acrn_vuart *vu = vm_vuart(vm);
offset -= vu->base;
vuart_lock(vu);
@@ -314,7 +312,7 @@ static void vuart_register_io_handler(struct vm *vm)
/**
* @pre vu != NULL
*/
void vuart_console_tx_chars(struct vuart *vu)
void vuart_console_tx_chars(struct acrn_vuart *vu)
{
vuart_lock(vu);
while (fifo_numchars(&vu->txfifo) > 0U) {
@@ -327,7 +325,7 @@ void vuart_console_tx_chars(struct vuart *vu)
* @pre vu != NULL
* @pre vu->active == true
*/
void vuart_console_rx_chars(struct vuart *vu)
void vuart_console_rx_chars(struct acrn_vuart *vu)
{
char ch = -1;
@@ -348,7 +346,7 @@ void vuart_console_rx_chars(struct vuart *vu)
vuart_unlock(vu);
}
struct vuart *vuart_console_active(void)
struct acrn_vuart *vuart_console_active(void)
{
#ifdef CONFIG_PARTITION_MODE
struct vm *vm;
@@ -362,36 +360,31 @@ struct vuart *vuart_console_active(void)
struct vm *vm = get_vm_from_vmid(0U);
#endif
if ((vm != NULL) && (vm->vuart != NULL)) {
struct vuart *vu = vm->vuart;
if (vm != NULL) {
struct acrn_vuart *vu = vm_vuart(vm);
if (vu->active) {
return vm->vuart;
return vu;
}
}
return NULL;
}
void *vuart_init(struct vm *vm)
void vuart_init(struct vm *vm)
{
struct vuart *vu;
uint32_t divisor;
vu = calloc(1U, sizeof(struct vuart));
ASSERT(vu != NULL, "");
struct acrn_vuart *vu = vm_vuart(vm);
/* Set baud rate*/
divisor = (UART_CLOCK_RATE / BAUD_9600) >> 4U;
vu->dll = (uint8_t)divisor;
vu->dlh = (uint8_t)(divisor >> 8U);
vm->vuart.dll = (uint8_t)divisor;
vm->vuart.dlh = (uint8_t)(divisor >> 8U);
vu->active = false;
vu->base = COM1_BASE;
vu->vm = vm;
fifo_init(&vu->rxfifo, RX_FIFO_SIZE);
fifo_init(&vu->txfifo, TX_FIFO_SIZE);
vm->vuart.active = false;
vm->vuart.base = COM1_BASE;
vm->vuart.vm = vm;
fifo_init(&vm->vuart.rxfifo, RX_FIFO_SIZE);
fifo_init(&vm->vuart.txfifo, TX_FIFO_SIZE);
vuart_lock_init(vu);
vuart_register_io_handler(vm);
return vu;
}