X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/a35bb9648f1a9eddb071a50ff6a4dcdb8f379f24..f89517343bf062d299d54408eea2f9387bfefb6d:/lunaix-os/includes/hal/pci.h diff --git a/lunaix-os/includes/hal/pci.h b/lunaix-os/includes/hal/pci.h index 95ed7fd..22b3dd9 100644 --- a/lunaix-os/includes/hal/pci.h +++ b/lunaix-os/includes/hal/pci.h @@ -4,20 +4,11 @@ #include #include #include +#include #include +#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 +#include "irq.h" #define PCI_VENDOR_INVLD 0xffff @@ -65,8 +56,6 @@ #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; @@ -84,17 +73,9 @@ struct pci_base_addr u32_t type; }; -struct pci_device +struct pci_probe { - struct device dev; - struct llist_header dev_chain; - struct hlist_node dev_cache; - - struct - { - struct device* dev; - struct device_def* def; - } binding; + morph_t mobj; pciaddr_t loc; u16_t intr_info; @@ -103,48 +84,24 @@ struct pci_device u32_t cspace_base; u32_t msi_loc; 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; + struct device* bind; + struct irq_domain* irq_domain; }; +#define pci_probe_morpher morphable_attrs(pci_probe, mobj) -typedef void* (*pci_drv_init)(struct pci_device*); - -#define PCI_DEVIDENT(vendor, id) \ - ((((id) & 0xffff) << 16) | (((vendor) & 0xffff))) +typedef bool (*pci_id_checker_t)(struct pci_probe*); -struct pci_device_def +struct pci_registry { - struct device_def devdef; + struct hlist_node entries; + struct device_def* definition; - bool (*test_compatibility)(struct pci_device_def*, struct pci_device*); + pci_id_checker_t check_compact; }; -#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 - * 类型代码请参阅: PCI LB Spec. Appendix D. - * - * @return struct pci_device* - */ -struct pci_device* pci_get_device_by_class(u32_t class); - -/** - * @brief 根据设备商ID和设备ID,在拓扑中寻找一个设备 - * - * @param vendorId - * @param deviceId - * @return struct pci_device* - */ -struct pci_device* -pci_get_device_by_id(u16_t vendorId, u16_t deviceId); +bool +pci_register_driver(struct device_def* def, pci_id_checker_t checker); /** * @brief 初始化PCI设备的基地址寄存器。返回由该基地址代表的, @@ -157,54 +114,53 @@ pci_get_device_by_id(u16_t vendorId, u16_t deviceId); * @return size_t */ size_t -pci_bar_sizing(struct pci_device* dev, u32_t* bar_out, u32_t bar_num); +pci_bar_sizing(struct pci_probe* probe, u32_t* bar_out, u32_t bar_num); + +irq_t +pci_declare_msi_irq(irq_servant callback, struct pci_probe* probe); + +int +pci_assign_msi(struct pci_probe* probe, irq_t irq, void* irq_spec); /** * @brief Bind an abstract device instance to the pci device * * @param pcidev pci device - * @param devobj abstract device instance + * @param dev abstract device instance */ -void -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, msi_vector_t msiv); +static inline void +pci_bind_instance(struct pci_probe* probe, struct device* dev) +{ + probe->bind = dev; -void -pci_probe_msi_info(struct pci_device* device); +} int -pci_bind_definition(struct pci_device_def* pcidev_def, bool* more); +pci_bind_driver(struct pci_registry* reg); -int -pci_bind_definition_all(struct pci_device_def* pcidef); static inline unsigned int -pci_device_vendor(struct pci_device* pcidev) +pci_device_vendor(struct pci_probe* probe) { - return PCI_DEV_VENDOR(pcidev->device_info); + return PCI_DEV_VENDOR(probe->device_info); } static inline unsigned int -pci_device_devid(struct pci_device* pcidev) +pci_device_devid(struct pci_probe* probe) { - return PCI_DEV_DEVID(pcidev->device_info); + return PCI_DEV_DEVID(probe->device_info); } static inline unsigned int -pci_device_class(struct pci_device* pcidev) +pci_device_class(struct pci_probe* probe) { - return PCI_DEV_CLASS(pcidev->class_info); + return PCI_DEV_CLASS(probe->class_info); } static inline struct pci_base_addr* -pci_device_bar(struct pci_device* pcidev, int index) +pci_device_bar(struct pci_probe* probe, int index) { - return &pcidev->bar[index]; + return &probe->bar[index]; } static inline void @@ -213,6 +169,11 @@ pci_cmd_set_mmio(pci_reg_t* cmd) *cmd |= PCI_RCMD_MM_ACCESS; } +static inline ptr_t +pci_requester_id(struct pci_probe* probe) +{ + return probe->loc; +} static inline void pci_cmd_set_pmio(pci_reg_t* cmd) @@ -245,19 +206,19 @@ pci_bar_mmio_space(struct pci_base_addr* bar) } static inline bool -pci_capability_msi(struct pci_device* pcidev) +pci_capability_msi(struct pci_probe* probe) { - return !!pcidev->msi_loc; + return !!probe->msi_loc; } static inline int -pci_intr_irq(struct pci_device* pcidev) +pci_intr_irq(struct pci_probe* probe) { - return PCI_INTR_IRQ(pcidev->intr_info); + return PCI_INTR_IRQ(probe->intr_info); } void -pci_apply_command(struct pci_device* pcidev, pci_reg_t cmd); +pci_apply_command(struct pci_probe* probe, pci_reg_t cmd); pci_reg_t pci_read_cspace(ptr_t base, int offset);