2e6231f8eb
USB stack. This is useful for non-kernel purposes, like the loader.
463 lines
14 KiB
C
463 lines
14 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2011 Hans Petter Selasky. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _BSD_KERNEL_H_
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#define _BSD_KERNEL_H_
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#define _KERNEL
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#define __FreeBSD_version 1000000
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#include <sys/cdefs.h>
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#include <sys/queue.h>
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#include <sys/errno.h>
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#define isalpha(x) (((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z'))
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#define isdigit(x) ((x) >= '0' && (x) <= '9')
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#define panic(...) do { printf("USB PANIC: " __VA_ARGS__); while (1) ; } while (0)
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#define M_USB 0
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#define M_USBDEV 0
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#define USB_PROC_MAX 3
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#define USB_BUS_GIANT_PROC(bus) (usb_process + 2)
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#define USB_BUS_NON_GIANT_PROC(bus) (usb_process + 2)
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#define USB_BUS_EXPLORE_PROC(bus) (usb_process + 0)
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#define USB_BUS_CONTROL_XFER_PROC(bus) (usb_process + 1)
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#define SYSCTL_DECL(...)
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#define SYSCTL_NODE(name,...) struct { } name __used
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#define SYSCTL_INT(...)
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#define TUNABLE_INT(...)
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#define MALLOC_DECLARE(...)
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#define MALLOC_DEFINE(...)
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#define EVENTHANDLER_DECLARE(...)
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#define EVENTHANDLER_INVOKE(...)
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#define KASSERT(...)
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#define SCHEDULER_STOPPED(x) (0)
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#define PI_SWI(...) (0)
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#define UNIQ_NAME(x) x
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#define UNIQ_NAME_STR(x) #x
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#define DEVCLASS_MAXUNIT 32
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#define MOD_LOAD 1
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#define MOD_UNLOAD 2
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#define DEVMETHOD(what,func) { #what, (void *)&func }
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#define DEVMETHOD_END {0,0}
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#define DRIVER_MODULE(name, busname, driver, devclass, evh, arg) \
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static struct module_data bsd_##name##_##busname##_driver_mod = { \
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evh, arg, #busname, #name, #busname "/" #name, \
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&driver, &devclass, { 0, 0 } }; \
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SYSINIT(bsd_##name##_##busname##_driver_mod, SI_SUB_DRIVERS, \
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SI_ORDER_MIDDLE, module_register, \
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&bsd_##name##_##busname##_driver_mod)
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#define SYSINIT(uniq, subs, order, _func, _data) \
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const struct sysinit UNIQ_NAME(sysinit_##uniq) = { \
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.func = (_func), \
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.data = __DECONST(void *, _data) \
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}; \
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SYSINIT_ENTRY(uniq##_entry, "sysinit", (subs), \
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(order), "const struct sysinit", \
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UNIQ_NAME_STR(sysinit_##uniq), "SYSINIT")
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#define SYSUNINIT(uniq, subs, order, _func, _data) \
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const struct sysinit UNIQ_NAME(sysuninit_##uniq) = { \
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.func = (_func), \
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.data = __DECONST(void *, _data) \
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}; \
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SYSINIT_ENTRY(uniq##_entry, "sysuninit", (subs), \
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(order), "const struct sysuninit", \
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UNIQ_NAME_STR(sysuninit_##uniq), "SYSUNINIT")
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#define MODULE_DEPEND(...)
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#define MODULE_VERSION(...)
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#define NULL ((void *)0)
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#define BUS_SPACE_BARRIER_READ 0x01
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#define BUS_SPACE_BARRIER_WRITE 0x02
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#define hz 1000
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#define PAGE_SIZE 4096
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#define MIN(a,b) (((a) < (b)) ? (a) : (b))
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#define MAX(a,b) (((a) > (b)) ? (a) : (b))
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#define MTX_DEF 0
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#define MTX_RECURSE 0
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#define SX_DUPOK 0
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#define SX_NOWITNESS 0
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#define WITNESS_WARN(...)
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#define cold 0
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#define BUS_PROBE_GENERIC 0
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#define CALLOUT_RETURNUNLOCKED 0x1
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#define va_list __builtin_va_list
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#define va_size(type) __builtin_va_size(type)
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#define va_start(ap, last) __builtin_va_start(ap, last)
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#define va_end(ap) __builtin_va_end(ap)
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#define va_arg(ap, type) __builtin_va_arg((ap), type)
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#define DEVICE_ATTACH(dev, ...) \
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(((device_attach_t *)(device_get_method(dev, "device_attach")))(dev,## __VA_ARGS__))
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#define DEVICE_DETACH(dev, ...) \
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(((device_detach_t *)(device_get_method(dev, "device_detach")))(dev,## __VA_ARGS__))
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#define DEVICE_PROBE(dev, ...) \
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(((device_probe_t *)(device_get_method(dev, "device_probe")))(dev,## __VA_ARGS__))
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#define DEVICE_RESUME(dev, ...) \
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(((device_resume_t *)(device_get_method(dev, "device_resume")))(dev,## __VA_ARGS__))
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#define DEVICE_SHUTDOWN(dev, ...) \
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(((device_shutdown_t *)(device_get_method(dev, "device_shutdown")))(dev,## __VA_ARGS__))
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#define DEVICE_SUSPEND(dev, ...) \
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(((device_suspend_t *)(device_get_method(dev, "device_suspend")))(dev,## __VA_ARGS__))
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#define USB_HANDLE_REQUEST(dev, ...) \
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(((usb_handle_request_t *)(device_get_method(dev, "usb_handle_request")))(dev,## __VA_ARGS__))
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#define USB_TAKE_CONTROLLER(dev, ...) \
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(((usb_take_controller_t *)(device_get_method(dev, "usb_take_controller")))(dev,## __VA_ARGS__))
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enum {
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SI_SUB_DUMMY = 0x0000000,
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SI_SUB_LOCK = 0x1B00000,
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SI_SUB_KLD = 0x2000000,
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SI_SUB_DRIVERS = 0x3100000,
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SI_SUB_PSEUDO = 0x7000000,
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SI_SUB_KICK_SCHEDULER = 0xa000000,
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SI_SUB_RUN_SCHEDULER = 0xfffffff
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};
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enum {
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SI_ORDER_FIRST = 0x0000000,
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SI_ORDER_SECOND = 0x0000001,
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SI_ORDER_THIRD = 0x0000002,
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SI_ORDER_FOURTH = 0x0000003,
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SI_ORDER_MIDDLE = 0x1000000,
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SI_ORDER_ANY = 0xfffffff /* last */
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};
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struct uio;
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struct thread;
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struct malloc_type;
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struct usb_process;
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typedef unsigned char uint8_t;
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typedef signed char int8_t;
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typedef unsigned short uint16_t;
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typedef signed short int16_t;
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typedef unsigned int uint32_t;
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typedef signed int int32_t;
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typedef unsigned long long uint64_t;
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typedef signed long long int64_t;
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typedef unsigned long bus_addr_t;
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typedef unsigned long bus_size_t;
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typedef unsigned long size_t;
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typedef unsigned long u_long;
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typedef void *bus_dmamap_t;
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typedef void *bus_dma_tag_t;
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typedef void *bus_space_tag_t;
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typedef uint8_t *bus_space_handle_t;
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typedef uint16_t uid_t;
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typedef uint16_t gid_t;
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typedef uint16_t mode_t;
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typedef uint8_t *caddr_t;
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typedef unsigned long __uintptr_t;
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typedef unsigned long uintptr_t;
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/* SYSINIT API */
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#include <sysinit.h>
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struct sysinit {
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void (*func) (void *arg);
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void *data;
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};
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/* MUTEX API */
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struct mtx {
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int owned;
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struct mtx *parent;
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};
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#define mtx_assert(...) do { } while (0)
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void mtx_init(struct mtx *, const char *, const char *, int);
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void mtx_lock(struct mtx *);
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void mtx_unlock(struct mtx *);
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int mtx_owned(struct mtx *);
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void mtx_destroy(struct mtx *);
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extern struct mtx Giant;
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/* SX API */
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struct sx {
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int owned;
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};
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#define sx_assert(...) do { } while (0)
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#define sx_init(...) sx_init_flags(__VA_ARGS__, 0)
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void sx_init_flags(struct sx *, const char *, int);
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void sx_destroy(struct sx *);
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void sx_xlock(struct sx *);
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void sx_xunlock(struct sx *);
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int sx_xlocked(struct sx *);
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/* CONDVAR API */
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struct cv {
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int sleeping;
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};
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void cv_init(struct cv *, const char *desc);
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void cv_destroy(struct cv *);
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void cv_wait(struct cv *, struct mtx *);
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int cv_timedwait(struct cv *, struct mtx *, int);
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void cv_signal(struct cv *);
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void cv_broadcast(struct cv *);
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/* CALLOUT API */
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typedef void callout_fn_t (void *);
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extern volatile int ticks;
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struct callout {
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LIST_ENTRY(callout) entry;
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callout_fn_t *func;
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void *arg;
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struct mtx *mtx;
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int flags;
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int timeout;
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};
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void callout_init_mtx(struct callout *, struct mtx *, int);
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void callout_reset(struct callout *, int, callout_fn_t *, void *);
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void callout_stop(struct callout *);
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void callout_drain(struct callout *);
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int callout_pending(struct callout *);
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void callout_process(int timeout);
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/* DEVICE API */
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struct driver;
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struct devclass;
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struct device;
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struct module;
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struct module_data;
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typedef struct driver driver_t;
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typedef struct devclass *devclass_t;
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typedef struct device *device_t;
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typedef void (intr_fn_t)(void *arg);
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typedef int device_attach_t (device_t dev);
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typedef int device_detach_t (device_t dev);
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typedef int device_resume_t (device_t dev);
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typedef int device_shutdown_t (device_t dev);
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typedef int device_probe_t (device_t dev);
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typedef int device_suspend_t (device_t dev);
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typedef int bus_child_location_str_t (device_t parent, device_t child, char *buf, size_t buflen);
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typedef int bus_child_pnpinfo_str_t (device_t parent, device_t child, char *buf, size_t buflen);
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typedef void bus_driver_added_t (device_t dev, driver_t *driver);
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struct device_method {
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const char *desc;
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void *const func;
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};
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typedef struct device_method device_method_t;
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struct device {
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TAILQ_HEAD(device_list, device) dev_children;
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TAILQ_ENTRY(device) dev_link;
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struct device *dev_parent;
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const struct module_data *dev_module;
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void *dev_sc;
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void *dev_aux;
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intr_fn_t *dev_irq_fn;
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void *dev_irq_arg;
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uint16_t dev_unit;
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char dev_nameunit[64];
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char dev_desc[64];
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uint8_t dev_res_alloc:1;
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uint8_t dev_quiet:1;
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uint8_t dev_softc_set:1;
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uint8_t dev_softc_alloc:1;
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uint8_t dev_attached:1;
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uint8_t dev_fixed_class:1;
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uint8_t dev_unit_manual:1;
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};
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struct devclass {
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device_t dev_list[DEVCLASS_MAXUNIT];
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};
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struct driver {
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const char *name;
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const struct device_method *methods;
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uint32_t size;
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};
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struct module_data {
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int (*callback) (struct module *, int, void *arg);
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void *arg;
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const char *bus_name;
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const char *mod_name;
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const char *long_name;
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const struct driver *driver;
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struct devclass **devclass_pp;
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TAILQ_ENTRY(module_data) entry;
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};
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device_t device_get_parent(device_t dev);
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void *device_get_method(device_t dev, const char *what);
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const char *device_get_name(device_t dev);
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const char *device_get_nameunit(device_t dev);
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#define device_printf(dev, fmt,...) \
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printf("%s: " fmt, device_get_nameunit(dev),## __VA_ARGS__)
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device_t device_add_child(device_t dev, const char *name, int unit);
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void device_quiet(device_t dev);
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void device_set_interrupt(device_t dev, intr_fn_t *fn, void *arg);
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void device_run_interrupts(device_t parent);
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void device_set_ivars(device_t dev, void *ivars);
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void *device_get_ivars(device_t dev);
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const char *device_get_desc(device_t dev);
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int device_probe_and_attach(device_t dev);
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int device_detach(device_t dev);
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void *device_get_softc(device_t dev);
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void device_set_softc(device_t dev, void *softc);
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int device_delete_child(device_t dev, device_t child);
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int device_delete_children(device_t dev);
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int device_is_attached(device_t dev);
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void device_set_desc(device_t dev, const char *desc);
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void device_set_desc_copy(device_t dev, const char *desc);
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int device_get_unit(device_t dev);
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void *devclass_get_softc(devclass_t dc, int unit);
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int devclass_get_maxunit(devclass_t dc);
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device_t devclass_get_device(devclass_t dc, int unit);
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devclass_t devclass_find(const char *classname);
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#define bus_get_dma_tag(...) (NULL)
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int bus_generic_detach(device_t dev);
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int bus_generic_resume(device_t dev);
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int bus_generic_shutdown(device_t dev);
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int bus_generic_suspend(device_t dev);
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int bus_generic_print_child(device_t dev, device_t child);
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void bus_generic_driver_added(device_t dev, driver_t *driver);
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/* BUS SPACE API */
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void bus_space_write_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint8_t data);
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void bus_space_write_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint16_t data);
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void bus_space_write_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint32_t data);
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uint8_t bus_space_read_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset);
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uint16_t bus_space_read_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset);
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uint32_t bus_space_read_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset);
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void bus_space_read_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint8_t *datap, bus_size_t count);
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void bus_space_read_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint16_t *datap, bus_size_t count);
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void bus_space_read_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint32_t *datap, bus_size_t count);
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void bus_space_write_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint8_t *datap, bus_size_t count);
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void bus_space_write_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint16_t *datap, bus_size_t count);
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void bus_space_write_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint32_t *datap, bus_size_t count);
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void bus_space_read_region_1(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint8_t *datap, bus_size_t count);
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void bus_space_write_region_1(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint8_t *datap, bus_size_t count);
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void bus_space_read_region_4(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint32_t *datap, bus_size_t count);
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void bus_space_write_region_4(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint32_t *datap, bus_size_t count);
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void bus_space_barrier(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, bus_size_t length, int flags);
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void module_register(void *);
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/* LIB-C */
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void *memset(void *, int, size_t len);
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void *memcpy(void *, const void *, size_t len);
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int printf(const char *,...) __printflike(1, 2);
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int snprintf(char *restrict str, size_t size, const char *restrict format,...) __printflike(3, 4);
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size_t strlen(const char *s);
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/* MALLOC API */
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#define malloc(s,x,f) usb_malloc(s)
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void *usb_malloc(size_t);
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#define free(p,x) usb_free(p)
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void usb_free(void *);
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#define strdup(p,x) usb_strdup(p)
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char *usb_strdup(const char *str);
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/* ENDIANNESS */
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/* Assume little endian */
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#define htole64(x) ((uint64_t)(x))
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#define le64toh(x) ((uint64_t)(x))
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#define htole32(x) ((uint32_t)(x))
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#define le32toh(x) ((uint32_t)(x))
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#define htole16(x) ((uint16_t)(x))
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#define le16toh(x) ((uint16_t)(x))
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#define be32toh(x) ((uint32_t)(x))
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#define htobe32(x) ((uint32_t)(x))
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/* USB */
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typedef int usb_handle_request_t (device_t dev, const void *req, void **pptr, uint16_t *plen, uint16_t offset, uint8_t *pstate);
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typedef int usb_take_controller_t (device_t dev);
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void usb_idle(void);
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void usb_init(void);
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void usb_uninit(void);
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/* set some defaults */
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#ifndef USB_POOL_SIZE
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#define USB_POOL_SIZE (1024*1024) /* 1 MByte */
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#endif
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int pause(const char *, int);
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void DELAY(unsigned int);
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/* OTHER */
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struct selinfo {
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};
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/* SYSTEM STARTUP API */
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extern const void *sysinit_data[];
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extern const void *sysuninit_data[];
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#endif /* _BSD_KERNEL_H_ */
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