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40 lines
919 B
C
40 lines
919 B
C
/*
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* Copyright (C) 2025-2025 Intel Corporation.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef VUART_CONFIG_H_
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#define VUART_CONFIG_H_
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#include <types.h>
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struct target_vuart {
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uint8_t vm_id; /* target VM id */
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uint8_t vuart_id; /* target vuart index in a VM */
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};
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enum vuart_type {
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VUART_LEGACY_PIO = 0, /* legacy PIO vuart */
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VUART_PCI, /* PCI vuart, may removed */
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VUART_SBI, /* RISC-V SBI vuart */
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};
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union vuart_addr {
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uint16_t port_base; /* addr for legacy type */
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struct { /* addr for pci type */
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uint8_t f : 3; /* BITs 0-2 */
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uint8_t d : 5; /* BITs 3-7 */
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uint8_t b; /* BITs 8-15 */
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} bdf;
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};
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struct vuart_config {
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enum vuart_type type; /* legacy PIO or PCI */
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union vuart_addr addr; /* port addr if in legacy type, or bdf addr if in pci type */
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uint16_t irq;
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struct target_vuart t_vuart; /* target vuart */
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} __aligned(8);
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#endif /* VUART_CONFIG_H_ */
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