vuart: change irq from 4 to 6
irq 4 is sharing with idma, after change vuart to level trigger, the idma driver could handle this irq 4 and send out EOI, which cause the irq storm. move vuart irq to a not used 6. Tracked-On: https://github.com/projectacrn/acrn-hypervisor/issues/1476 Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
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@ -45,8 +45,8 @@ is_entry_active(struct ptdev_remapping_info *entry)
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static bool ptdev_hv_owned_intx(struct vm *vm, union source_id *virt_sid)
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static bool ptdev_hv_owned_intx(struct vm *vm, union source_id *virt_sid)
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{
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{
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/* vm0 pin 4 (uart) is owned by hypervisor under debug version */
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/* vm0 vuart pin is owned by hypervisor under debug version */
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if (is_vm0(vm) && (virt_sid->intx_id.pin == 4U)) {
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if (is_vm0(vm) && (virt_sid->intx_id.pin == COM1_IRQ)) {
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return true;
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return true;
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} else {
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} else {
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return false;
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return false;
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@ -33,7 +33,6 @@
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#include "uart16550.h"
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#include "uart16550.h"
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#define COM1_BASE 0x3F8U
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#define COM1_BASE 0x3F8U
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#define COM1_IRQ 4U
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#ifndef CONFIG_PARTITION_MODE
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#ifndef CONFIG_PARTITION_MODE
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static char vuart_rx_buf[RX_BUF_SIZE];
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static char vuart_rx_buf[RX_BUF_SIZE];
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@ -69,11 +69,13 @@ struct acrn_vuart {
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extern int8_t vuart_vmid;
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extern int8_t vuart_vmid;
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#endif
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#endif
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#ifdef HV_DEBUG
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#ifdef HV_DEBUG
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#define COM1_IRQ 6U
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void vuart_init(struct vm *vm);
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void vuart_init(struct vm *vm);
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struct acrn_vuart *vuart_console_active(void);
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struct acrn_vuart *vuart_console_active(void);
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void vuart_console_tx_chars(struct acrn_vuart *vu);
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void vuart_console_tx_chars(struct acrn_vuart *vu);
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void vuart_console_rx_chars(struct acrn_vuart *vu);
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void vuart_console_rx_chars(struct acrn_vuart *vu);
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#else
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#else
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#define COM1_IRQ 0xFFU
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static inline void vuart_init(__unused struct vm *vm)
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static inline void vuart_init(__unused struct vm *vm)
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{
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{
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}
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}
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