X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/6f6da1abb22dff69dbb710bd2fd9d95f083f2b43..8b8f49b713d64065775fe538232f8639083601bd:/lunaix-os/includes/lunaix/device.h diff --git a/lunaix-os/includes/lunaix/device.h b/lunaix-os/includes/lunaix/device.h index af21cb3..2d9f82b 100644 --- a/lunaix-os/includes/lunaix/device.h +++ b/lunaix-os/includes/lunaix/device.h @@ -8,9 +8,11 @@ #include #include #include -#include +#include #include +#include + /** * @brief Export a device definition * @@ -20,6 +22,7 @@ export_ldga_el_sfx(devdefs, id##_ldorder, ptr_t, devdef, load_order); #define load_on_demand ld_ondemand +#define load_pci_probe ld_ondemand /** * @brief Mark the device definition should be loaded automatically as earlier @@ -49,10 +52,16 @@ * @brief Declare a device class * */ -#define DEVCLASS(devif, devfn, devkind, devvar) \ +#define DEVCLASS(devif, devfn, dev) \ + (struct devclass) \ + { \ + .fn_grp = DEV_FNGRP(devif, devfn), .device = (dev), .variant = 0 \ + } + +#define DEVCLASSV(devif, devfn, dev, devvar) \ (struct devclass) \ { \ - .meta = DEV_META(devif, devfn), .device = (devkind), \ + .fn_grp = DEV_FNGRP(devif, devfn), .device = (dev), \ .variant = (devvar) \ } @@ -65,24 +74,19 @@ #define DEV_IFCAT 0x2 // a device category (as device groupping) #define DEV_IFSYS 0x3 // a system device -struct devclass -{ - u32_t meta; - u32_t device; - u32_t variant; - u32_t hash; -}; - struct device { u32_t magic; struct llist_header siblings; struct llist_header children; struct device* parent; + mutex_t lock; + // TODO investigate event polling struct hstr name; - struct devclass* class; + struct devident ident; + u32_t dev_uid; int dev_type; char name_val[DEVICE_NAME_SIZE]; @@ -115,12 +119,6 @@ struct device_def int (*init_for)(struct device_def*, struct device*); }; -static inline u32_t devclass_hash(struct devclass class) -{ - return (((class.device & 0xffff) << 16) | (class.variant & 0xffff)) ^ - ~class.meta; -} - static inline u32_t device_id_from_class(struct devclass* class) { @@ -128,53 +126,43 @@ device_id_from_class(struct devclass* class) } void -device_register_all(); +device_scan_drivers(); void -device_prepare(struct device* dev, struct devclass* class); +device_setname_vargs(struct device* dev, char* fmt, va_list args); void device_setname(struct device* dev, char* fmt, ...); void -device_setname(struct device* dev, char* fmt, ...); +device_register(struct device* dev, struct devclass* class, char* fmt, ...); -struct device* -device_add_vargs(struct device* parent, - void* underlay, - char* name_fmt, - u32_t type, - struct devclass* class, - va_list args); +void +device_create(struct device* dev, + struct device* parent, + u32_t type, + void* underlay); struct device* -device_add(struct device* parent, - struct devclass* class, - void* underlay, - u32_t type, - char* name_fmt, - ...); +device_alloc(struct device* parent, u32_t type, void* underlay); -struct device* -device_addsys(struct device* parent, - struct devclass* class, - void* underlay, - char* name_fmt, - ...); +static inline struct device* +device_allocsys(struct device* parent, void* underlay) +{ + return device_alloc(parent, DEV_IFSYS, underlay); +} -struct device* -device_addseq(struct device* parent, - struct devclass* class, - void* underlay, - char* name_fmt, - ...); +static inline struct device* +device_allocseq(struct device* parent, void* underlay) +{ + return device_alloc(parent, DEV_IFSEQ, underlay); +} -struct device* -device_addvol(struct device* parent, - struct devclass* class, - void* underlay, - char* name_fmt, - ...); +static inline struct device* +device_allocvol(struct device* parent, void* underlay) +{ + return device_alloc(parent, DEV_IFVOL, underlay); +} struct device* device_addcat(struct device* parent, char* name_fmt, ...); @@ -195,19 +183,19 @@ struct device* device_getbyoffset(struct device* root_dev, int pos); struct device* -device_create_byclass(struct devclass* class, - u32_t type, - char* name, - int* err_code); +device_cast(void* obj); struct hbucket* device_definitions_byif(int if_type); struct device_def* -devdef_byclass(struct devclass* class); +devdef_byident(struct devident* class); + +void +device_populate_info(struct device* dev, struct dev_info* devinfo); void -device_register_all(); +device_scan_drivers(); /*------ Load hooks ------*/ @@ -220,4 +208,22 @@ device_poststage(); void device_timerstage(); +static inline void +device_lock(struct device* dev) +{ + mutex_lock(&dev->lock); +} + +static inline void +device_unlock(struct device* dev) +{ + mutex_unlock(&dev->lock); +} + +static inline int +device_locked(struct device* dev) +{ + return mutex_on_hold(&dev->lock); +} + #endif /* __LUNAIX_DEVICE_H */