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hv:Replace vuart pointer with instance in structure vm

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-- 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
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3
hypervisor/arch/x86/assign.c
View File

@ -46,8 +46,7 @@ is_entry_active(struct ptdev_remapping_info *entry)
static bool ptdev_hv_owned_intx(struct vm *vm, union source_id *virt_sid) static bool ptdev_hv_owned_intx(struct vm *vm, union source_id *virt_sid)
{ {
/* vm0 pin 4 (uart) is owned by hypervisor under debug version */ /* vm0 pin 4 (uart) is owned by hypervisor under debug version */
if (is_vm0(vm) && (vm->vuart != NULL) && if (is_vm0(vm) && (virt_sid->intx_id.pin == 4U)) {
(virt_sid->intx_id.pin == 4U)) {
return true; return true;
} else { } else {
return false; return false;

4
hypervisor/arch/x86/guest/vm.c
View File

@ -199,14 +199,14 @@ int create_vm(struct vm_description *vm_desc, struct vm **rtn_vm)
} }
/* Create virtual uart */ /* Create virtual uart */
vm->vuart = vuart_init(vm); vuart_init(vm);
} }
vpic_init(vm); vpic_init(vm);
#ifdef CONFIG_PARTITION_MODE #ifdef CONFIG_PARTITION_MODE
/* Create virtual uart */ /* Create virtual uart */
if (vm_desc->vm_vuart) { if (vm_desc->vm_vuart) {
vm->vuart = vuart_init(vm); vuart_init(vm);
} }
vrtc_init(vm); vrtc_init(vm);
vpci_init(vm); vpci_init(vm);

2
hypervisor/debug/console.c
View File

@ -34,7 +34,7 @@ char console_getc(void)
static void console_timer_callback(__unused void *data) static void console_timer_callback(__unused void *data)
{ {
struct vuart *vu; struct acrn_vuart *vu;
/* Kick HV-Shell and Uart-Console tasks */ /* Kick HV-Shell and Uart-Console tasks */
vu = vuart_console_active(); vu = vuart_console_active();

30
hypervisor/debug/shell.c
View File

@ -722,7 +722,7 @@ static int shell_to_sos_console(__unused int argc, __unused char **argv)
uint16_t guest_no = 0U; uint16_t guest_no = 0U;
struct vm *vm; struct vm *vm;
struct vuart *vuart; struct acrn_vuart *vu;
#ifdef CONFIG_PARTITION_MODE #ifdef CONFIG_PARTITION_MODE
if (argc == 2U) { if (argc == 2U) {
@ -736,25 +736,17 @@ static int shell_to_sos_console(__unused int argc, __unused char **argv)
if (vm == NULL) { if (vm == NULL) {
return -EINVAL; return -EINVAL;
} }
vuart = vm->vuart; vu = vm_vuart(vm);
if (vuart == NULL) { /* UART is now owned by the SOS.
snprintf(temp_str, TEMP_STR_SIZE, * Indicate by toggling the flag.
"\r\nError: serial console driver is not " */
"enabled for VM %d\r\n", vu->active = true;
guest_no); /* Output that switching to SOS shell */
shell_puts(temp_str); snprintf(temp_str, TEMP_STR_SIZE,
} else { "\r\n----- Entering Guest %d Shell -----\r\n",
/* UART is now owned by the SOS. guest_no);
* Indicate by toggling the flag.
*/
vuart->active = true;
/* Output that switching to SOS shell */
snprintf(temp_str, TEMP_STR_SIZE,
"\r\n----- Entering Guest %d Shell -----\r\n",
guest_no);
shell_puts(temp_str); shell_puts(temp_str);
}
return 0; return 0;
} }

45
hypervisor/debug/vuart.c
View File

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

8
hypervisor/include/arch/x86/guest/vm.h
View File

@ -133,7 +133,7 @@ struct vm {
struct vm_pm_info pm; /* Reference to this VM's arch information */ struct vm_pm_info pm; /* Reference to this VM's arch information */
struct vm_arch arch_vm; /* Reference to this VM's arch information */ struct vm_arch arch_vm; /* Reference to this VM's arch information */
enum vm_state state; /* VM state */ enum vm_state state; /* VM state */
void *vuart; /* Virtual UART */ struct acrn_vuart vuart; /* Virtual UART */
enum vpic_wire_mode wire_mode; enum vpic_wire_mode wire_mode;
struct iommu_domain *iommu; /* iommu domain of this VM */ struct iommu_domain *iommu; /* iommu domain of this VM */
struct list_head list; /* list of VM */ struct list_head list; /* list of VM */
@ -243,6 +243,12 @@ static inline struct vcpu *get_primary_vcpu(struct vm *vm)
return NULL; return NULL;
} }
static inline struct acrn_vuart*
vm_vuart(struct vm *vm)
{
return (struct acrn_vuart *)&(vm->vuart);
}
static inline struct acrn_vpic * static inline struct acrn_vpic *
vm_pic(struct vm *vm) vm_pic(struct vm *vm)
{ {

1
hypervisor/include/arch/x86/hv_arch.h
View File

@ -22,6 +22,7 @@
#include <guest_pm.h> #include <guest_pm.h>
#include <host_pm.h> #include <host_pm.h>
#include <vpic.h> #include <vpic.h>
#include <vuart.h>
#include <vm.h> #include <vm.h>
#include <cpuid.h> #include <cpuid.h>
#include <mmu.h> #include <mmu.h>

23
hypervisor/include/debug/vuart.h
View File

@ -38,7 +38,7 @@ struct fifo {
uint32_t size; /* size of the fifo */ uint32_t size; /* size of the fifo */
}; };
struct vuart { struct acrn_vuart {
uint8_t data; /* Data register (R/W) */ uint8_t data; /* Data register (R/W) */
uint8_t ier; /* Interrupt enable register (R/W) */ uint8_t ier; /* Interrupt enable register (R/W) */
uint8_t lcr; /* Line control register (R/W) */ uint8_t lcr; /* Line control register (R/W) */
@ -63,21 +63,20 @@ struct vuart {
extern int8_t vuart_vmid; extern int8_t vuart_vmid;
#endif #endif
#ifdef HV_DEBUG #ifdef HV_DEBUG
void *vuart_init(struct vm *vm); void vuart_init(struct vm *vm);
struct vuart *vuart_console_active(void); struct acrn_vuart *vuart_console_active(void);
void vuart_console_tx_chars(struct vuart *vu); void vuart_console_tx_chars(struct acrn_vuart *vu);
void vuart_console_rx_chars(struct vuart *vu); void vuart_console_rx_chars(struct acrn_vuart *vu);
#else #else
static inline void *vuart_init(__unused struct vm *vm) static inline void vuart_init(__unused struct vm *vm)
{
}
static inline struct acrn_vuart *vuart_console_active(void)
{ {
return NULL; return NULL;
} }
static inline struct vuart *vuart_console_active(void) static inline void vuart_console_tx_chars(__unused struct acrn_vuart *vu) {}
{ static inline void vuart_console_rx_chars(__unused struct acrn_vuart *vu) {}
return NULL;
}
static inline void vuart_console_tx_chars(__unused struct vuart *vu) {}
static inline void vuart_console_rx_chars(__unused struct vuart *vu) {}
#endif /*HV_DEBUG*/ #endif /*HV_DEBUG*/
#endif #endif

1
hypervisor/include/hv_debug.h
View File

@ -8,7 +8,6 @@
#define HV_DEBUG_H #define HV_DEBUG_H
#include <logmsg.h> #include <logmsg.h>
#include <vuart.h>
#include <console.h> #include <console.h>
#include <dump.h> #include <dump.h>
#include <trace.h> #include <trace.h>