X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/45e1f8b055043e54be35462852ab6649d634da7c..1fe5f5eb5378a47bf0f3451762743c162e40faad:/lunaix-os/hal/pci.c diff --git a/lunaix-os/hal/pci.c b/lunaix-os/hal/pci.c index 96cd676..1457aa1 100644 --- a/lunaix-os/hal/pci.c +++ b/lunaix-os/hal/pci.c @@ -8,9 +8,9 @@ * @copyright Copyright (c) 2022 * */ -#include -#include #include +#include + #include #include #include @@ -145,7 +145,7 @@ pci_probe_msi_info(struct pci_device* device) } } -void +static void __pci_read_cspace(struct twimap* map) { struct pci_device* pcidev = (struct pci_device*)(map->data); @@ -158,21 +158,21 @@ __pci_read_cspace(struct twimap* map) map->size_acc = 256; } -void +static void __pci_read_revid(struct twimap* map) { int class = twimap_data(map, struct pci_device*)->class_info; twimap_printf(map, "0x%x", PCI_DEV_REV(class)); } -void +static void __pci_read_class(struct twimap* map) { int class = twimap_data(map, struct pci_device*)->class_info; twimap_printf(map, "0x%x", PCI_DEV_CLASS(class)); } -void +static void __pci_bar_read(struct twimap* map) { struct pci_device* pcidev = twimap_data(map, struct pci_device*); @@ -200,7 +200,7 @@ __pci_bar_read(struct twimap* map) twimap_printf(map, "\n"); } -int +static int __pci_bar_gonext(struct twimap* map) { if (twimap_index(map, int) >= 5) { @@ -240,6 +240,7 @@ pci_build_fsmapping() map->go_next = __pci_bar_gonext; } } +EXPORT_TWIFS_PLUGIN(pci_devs, pci_build_fsmapping); size_t pci_bar_sizing(struct pci_device* dev, u32_t* bar_out, u32_t bar_num) @@ -261,36 +262,6 @@ pci_bar_sizing(struct pci_device* dev, u32_t* bar_out, u32_t bar_num) return ~sized + 1; } -void -pci_setup_msi(struct pci_device* device, int vector) -{ - // Dest: APIC#0, Physical Destination, No redirection - u32_t msi_addr = (__APIC_BASE_PADDR); - - // Edge trigger, Fixed delivery - u32_t msi_data = vector; - - pci_write_cspace( - device->cspace_base, PCI_MSI_ADDR(device->msi_loc), msi_addr); - - pci_reg_t reg1 = pci_read_cspace(device->cspace_base, device->msi_loc); - pci_reg_t msg_ctl = reg1 >> 16; - - int offset = !!(msg_ctl & MSI_CAP_64BIT) * 4; - pci_write_cspace(device->cspace_base, - PCI_MSI_DATA(device->msi_loc, offset), - msi_data & 0xffff); - - if ((msg_ctl & MSI_CAP_MASK)) { - pci_write_cspace( - device->cspace_base, PCI_MSI_MASK(device->msi_loc, offset), 0); - } - - // manipulate the MSI_CTRL to allow device using MSI to request service. - reg1 = (reg1 & 0xff8fffff) | 0x10000; - pci_write_cspace(device->cspace_base, device->msi_loc, reg1); -} - struct pci_device* pci_get_device_by_id(u16_t vendorId, u16_t deviceId) { @@ -363,16 +334,14 @@ pci_bind_driver(struct pci_device* pci_dev) } void -pci_init() +pci_load_devices() { - acpi_context* acpi = acpi_get_context(); - assert_msg(acpi, "ACPI not initialized."); - if (acpi->mcfg.alloc_num) { - // PCIe Enhanced Configuration Mechanism is supported. - // TODO: support PCIe addressing mechanism + int i = 0; + struct pci_driver* dev; + ldga_foreach(pci_dev_drivers, struct pci_driver*, i, dev) + { + llist_append(&pci_drivers, &dev->drivers); } - // Otherwise, fallback to use legacy PCI 3.0 method. - pci_probe(); - pci_build_fsmapping(); + pci_probe(); } \ No newline at end of file