X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/2236410f4582ab45ae8c384dd6eeeef5d10aab15..6942ebae59c3904674dce6b67cd07c43a3bbe00d:/lunaix-os/hal/ahci/ahci_pci.c?ds=sidebyside diff --git a/lunaix-os/hal/ahci/ahci_pci.c b/lunaix-os/hal/ahci/ahci_pci.c index 0ecde58..4435da1 100644 --- a/lunaix-os/hal/ahci/ahci_pci.c +++ b/lunaix-os/hal/ahci/ahci_pci.c @@ -1,51 +1,74 @@ #include +#include #include #include -#include static int -ahci_pci_bind(struct device_def* def, struct device* dev) +ahci_pci_create(struct device_def* def, morph_t* morphed) { - struct pci_device* ahci_dev = container_of(dev, struct pci_device, dev); + struct pci_probe* probe; + struct device* dev; + struct pci_base_addr* bar6; + struct ahci_driver* ahci_drv; + msi_vector_t msiv; - struct pci_base_addr* bar6 = &ahci_dev->bar[5]; - assert_msg(bar6->type & BAR_TYPE_MMIO, "AHCI: BAR#6 is not MMIO."); + probe = changeling_try_reveal(morphed, pci_probe_morpher); + if (!probe) { + return EINVAL; + } - pci_reg_t cmd = pci_read_cspace(ahci_dev->cspace_base, PCI_REG_STATUS_CMD); + bar6 = pci_device_bar(probe, 5); + assert_msg(pci_bar_mmio_space(bar6), "AHCI: BAR#6 is not MMIO."); - // 禁用传统中断(因为我们使用MSI),启用MMIO访问,允许PCI设备间访问 - cmd |= (PCI_RCMD_MM_ACCESS | PCI_RCMD_DISABLE_INTR | PCI_RCMD_BUS_MASTER); + pci_reg_t cmd = 0; + pci_cmd_set_bus_master(&cmd); + pci_cmd_set_mmio(&cmd); + pci_cmd_set_msi(&cmd); + pci_apply_command(probe, cmd); + + assert(pci_capability_msi(probe)); - pci_write_cspace(ahci_dev->cspace_base, PCI_REG_STATUS_CMD, cmd); - - int iv = isrm_ivexalloc(ahci_hba_isr); - pci_setup_msi(ahci_dev, iv); + msiv = pci_msi_setup_simple(probe, ahci_hba_isr); struct ahci_driver_param param = { .mmio_base = bar6->start, .mmio_size = bar6->size, - .ahci_iv = iv, + .ahci_iv = msi_vect(msiv), }; - struct ahci_driver* ahci_drv = ahci_driver_init(¶m); - pci_bind_instance(ahci_dev, ahci_drv); + ahci_drv = ahci_driver_init(¶m); + dev = device_allocvol(NULL, ahci_drv); + + device_setname(dev_meta(dev), + "pci-ahci%d", devclass_mkvar(&def->class)); + + pci_bind_instance(probe, dev); return 0; } +static bool +ahci_pci_compat(struct pci_probe* probe) +{ + return pci_device_class(probe) == AHCI_HBA_CLASS; +} + static int -ahci_pci_init(struct device_def* def) +ahci_pci_register(struct device_def* def) { - return pci_bind_definition_all(pcidev_def(def)); + return !pci_register_driver(def, ahci_pci_compat); } -static struct pci_device_def ahcidef = { - .dev_class = AHCI_HBA_CLASS, - .ident_mask = PCI_MATCH_ANY, - .devdef = { .class = DEVCLASS(DEVIF_PCI, DEVFN_STORAGE, DEV_SATA), - .name = "Generic SATA", - .init = ahci_pci_init, - .bind = ahci_pci_bind } + +static struct device_def ahcidef = +{ + def_device_class(GENERIC, STORAGE, SATA), + def_device_name("Generic AHCI (pci-bus)"), + + def_on_register(ahci_pci_register), + def_on_create(ahci_pci_create), + + def_non_trivial }; -EXPORT_PCI_DEVICE(ahci, &ahcidef, load_postboot); \ No newline at end of file +EXPORT_DEVICE(ahci, &ahcidef, load_postboot); \ No newline at end of file