X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/f044ca812256b421e793c4335ce1ffed74710a70..29891c3ccec4f1d28e0440d87ea2e2708377d2ee:/lunaix-os/includes/hal/pci.h diff --git a/lunaix-os/includes/hal/pci.h b/lunaix-os/includes/hal/pci.h index 186c677..da45090 100644 --- a/lunaix-os/includes/hal/pci.h +++ b/lunaix-os/includes/hal/pci.h @@ -6,6 +6,13 @@ #include #include +#define EXPORT_PCI_DEVICE(id, pci_devdef, stage) \ + EXPORT_DEVICE(id, &(pci_devdef)->devdef, stage) + +#define PCI_MATCH_EXACT -1 +#define PCI_MATCH_ANY 0 +#define PCI_MATCH_VENDOR 0xffff + #define PCI_TDEV 0x0 #define PCI_TPCIBRIDGE 0x1 #define PCI_TCARDBRIDGE 0x2 @@ -16,23 +23,24 @@ #define PCI_REG_STATUS_CMD 0x4 #define PCI_REG_BAR(num) (0x10 + (num - 1) * 4) -#define PCI_DEV_VENDOR(x) ((x)&0xffff) -#define PCI_DEV_DEVID(x) (((x)&0xffff0000) >> 16) -#define PCI_INTR_IRQ(x) ((x)&0xff) -#define PCI_INTR_PIN(x) (((x)&0xff00) >> 8) +#define PCI_DEV_VENDOR(x) ((x) & 0xffff) +#define PCI_DEV_DEVID(x) (((x) & 0xffff0000) >> 16) +#define PCI_INTR_IRQ(x) ((x) & 0xff) +#define PCI_INTR_PIN(x) (((x) & 0xff00) >> 8) #define PCI_DEV_CLASS(x) ((x) >> 8) -#define PCI_DEV_REV(x) (((x)&0xff)) +#define PCI_DEV_REV(x) (((x) & 0xff)) #define PCI_BUS_NUM(x) (((x) >> 16) & 0xff) #define PCI_SLOT_NUM(x) (((x) >> 11) & 0x1f) #define PCI_FUNCT_NUM(x) (((x) >> 8) & 0x7) -#define PCI_BAR_MMIO(x) (!((x)&0x1)) -#define PCI_BAR_CACHEABLE(x) ((x)&0x8) -#define PCI_BAR_TYPE(x) ((x)&0x6) +#define PCI_BAR_MMIO(x) (!((x) & 0x1)) +#define PCI_BAR_CACHEABLE(x) ((x) & 0x8) +#define PCI_BAR_TYPE(x) ((x) & 0x6) #define PCI_BAR_ADDR_MM(x) ((x) & ~0xf) #define PCI_BAR_ADDR_IO(x) ((x) & ~0x3) -#define PCI_MSI_ADDR(msi_base) ((msi_base) + 4) +#define PCI_MSI_ADDR_LO(msi_base) ((msi_base) + 4) +#define PCI_MSI_ADDR_HI(msi_base) ((msi_base) + 8) #define PCI_MSI_DATA(msi_base, offset) ((msi_base) + 8 + offset) #define PCI_MSI_MASK(msi_base, offset) ((msi_base) + 0xc + offset) @@ -46,13 +54,18 @@ #define PCI_RCMD_MM_ACCESS (1 << 1) #define PCI_RCMD_IO_ACCESS 1 -#define PCI_ADDRESS(bus, dev, funct) \ - (((bus)&0xff) << 16) | (((dev)&0xff) << 11) | (((funct)&0xff) << 8) | \ - 0x80000000 +#define PCI_CFGADDR(pciloc) ((u32_t)(pciloc) << 8) | 0x80000000UL + +#define PCILOC(bus, dev, funct) \ + (((bus) & 0xff) << 8) | (((dev) & 0x1f) << 3) | ((funct) & 0x7) +#define PCILOC_BUS(loc) (((loc) >> 8) & 0xff) +#define PCILOC_DEV(loc) (((loc) >> 3) & 0x1f) +#define PCILOC_FN(loc) ((loc) & 0x7) #define PCI_ID_ANY (-1) typedef unsigned int pci_reg_t; +typedef u16_t pciaddr_t; // PCI device header format // Ref: "PCI Local Bus Specification, Rev.3, Section 6.1" @@ -72,23 +85,46 @@ struct pci_device { struct device dev; struct llist_header dev_chain; + struct hlist_node dev_cache; + + struct + { + struct device* dev; + struct device_def* def; + } binding; + + pciaddr_t loc; + u16_t intr_info; u32_t device_info; u32_t class_info; u32_t cspace_base; u32_t msi_loc; - u16_t intr_info; struct pci_base_addr bar[6]; }; +#define PCI_DEVICE(devbase) (container_of((devbase), struct pci_device, dev)) + +struct pci_device_list +{ + struct llist_header peers; + struct pci_device* pcidev; +}; typedef void* (*pci_drv_init)(struct pci_device*); +#define PCI_DEVIDENT(vendor, id) \ + ((((id) & 0xffff) << 16) | (((vendor) & 0xffff))) + struct pci_device_def { u32_t dev_class; - u32_t dev_vendor; - u32_t dev_id; + u32_t dev_ident; + u32_t ident_mask; struct device_def devdef; }; +#define pcidev_def(dev_def_ptr) \ + container_of((dev_def_ptr), struct pci_device_def, devdef) + +#define binded_pcidev(pcidev) ((pcidev)->binding.def) /** * @brief 根据类型代码(Class Code)去在拓扑中寻找一个设备 @@ -121,20 +157,28 @@ pci_get_device_by_id(u16_t vendorId, u16_t deviceId); size_t pci_bar_sizing(struct pci_device* dev, u32_t* bar_out, u32_t bar_num); +/** + * @brief Bind an abstract device instance to the pci device + * + * @param pcidev pci device + * @param devobj abstract device instance + */ void -pci_add_driver(const char* name, - u32_t class, - u32_t vendor, - u32_t devid, - pci_drv_init init); - -int -pci_bind_driver(struct pci_device* pci_dev); +pci_bind_instance(struct pci_device* pcidev, void* devobj); void pci_probe_bar_info(struct pci_device* device); +void +pci_setup_msi(struct pci_device* device, int vector); + void pci_probe_msi_info(struct pci_device* device); +int +pci_bind_definition(struct pci_device_def* pcidev_def, int* more); + +int +pci_bind_definition_all(struct pci_device_def* pcidef); + #endif /* __LUNAIX_PCI_H */