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usr.sbin/bhyve/pci_uart.c
| Show First 20 Lines • Show All 84 Lines • ▼ Show 20 Lines | pci_uart_read(struct vmctx *ctx, int vcpu, struct pci_devinst *pi, | ||||
| assert(baridx == 0); | assert(baridx == 0); | ||||
| assert(size == 1); | assert(size == 1); | ||||
| val = uart_read(pi->pi_arg, offset); | val = uart_read(pi->pi_arg, offset); | ||||
| return (val); | return (val); | ||||
| } | } | ||||
| static int | static int | ||||
| pci_uart_legacy_config(nvlist_t *nvl, const char *opts) | pci_uart_legacy_config(config_node_t *node, const char *opts) | ||||
| { | { | ||||
| if (opts != NULL) | if (opts != NULL) | ||||
| set_config_value_node(nvl, "path", opts); | set_config_value_node(node, "path", opts); | ||||
| return (0); | return (0); | ||||
| } | } | ||||
| static int | static int | ||||
| pci_uart_init(struct vmctx *ctx, struct pci_devinst *pi, nvlist_t *nvl) | pci_uart_init(struct vmctx *ctx, struct pci_devinst *pi, config_node_t *node) | ||||
| { | { | ||||
| struct uart_softc *sc; | struct uart_softc *sc; | ||||
| const char *device; | const char *device; | ||||
| pci_emul_alloc_bar(pi, 0, PCIBAR_IO, UART_IO_BAR_SIZE); | pci_emul_alloc_bar(pi, 0, PCIBAR_IO, UART_IO_BAR_SIZE); | ||||
| pci_lintr_request(pi); | pci_lintr_request(pi); | ||||
| /* initialize config space */ | /* initialize config space */ | ||||
| pci_set_cfgdata16(pi, PCIR_DEVICE, COM_DEV); | pci_set_cfgdata16(pi, PCIR_DEVICE, COM_DEV); | ||||
| pci_set_cfgdata16(pi, PCIR_VENDOR, COM_VENDOR); | pci_set_cfgdata16(pi, PCIR_VENDOR, COM_VENDOR); | ||||
| pci_set_cfgdata8(pi, PCIR_CLASS, PCIC_SIMPLECOMM); | pci_set_cfgdata8(pi, PCIR_CLASS, PCIC_SIMPLECOMM); | ||||
| sc = uart_init(pci_uart_intr_assert, pci_uart_intr_deassert, pi); | sc = uart_init(pci_uart_intr_assert, pci_uart_intr_deassert, pi); | ||||
| pi->pi_arg = sc; | pi->pi_arg = sc; | ||||
| device = get_config_value_node(nvl, "path"); | device = get_config_value_node(node, "path"); | ||||
| if (uart_set_backend(sc, device) != 0) { | if (uart_set_backend(sc, device) != 0) { | ||||
| EPRINTLN("Unable to initialize backend '%s' for " | EPRINTLN("Unable to initialize backend '%s' for " | ||||
| "pci uart at %d:%d", device, pi->pi_slot, pi->pi_func); | "pci uart at %d:%d", device, pi->pi_slot, pi->pi_func); | ||||
| return (-1); | return (-1); | ||||
| } | } | ||||
| return (0); | return (0); | ||||
| } | } | ||||
| Show All 9 Lines | |||||