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Diffstat (limited to 'openwrt/package/linux/kernel-source/include/linuxver.h')
| -rw-r--r-- | openwrt/package/linux/kernel-source/include/linuxver.h | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/openwrt/package/linux/kernel-source/include/linuxver.h b/openwrt/package/linux/kernel-source/include/linuxver.h new file mode 100644 index 000000000..ed8909784 --- /dev/null +++ b/openwrt/package/linux/kernel-source/include/linuxver.h @@ -0,0 +1,392 @@ +/* + * Linux-specific abstractions to gain some independence from linux kernel versions. + * Pave over some 2.2 versus 2.4 versus 2.6 kernel differences. + * + * Copyright 2004, Broadcom Corporation + * All Rights Reserved. + * + * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY + * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM + * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. + * + * $Id$ + */ + +#ifndef _linuxver_h_ +#define _linuxver_h_ + +#include <linux/config.h> +#include <linux/version.h> + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)) +/* __NO_VERSION__ must be defined for all linkables except one in 2.2 */ +#ifdef __UNDEF_NO_VERSION__ +#undef __NO_VERSION__ +#else +#define __NO_VERSION__ +#endif +#endif + +#if defined(MODULE) && defined(MODVERSIONS) +#include <linux/modversions.h> +#endif + +/* linux/malloc.h is deprecated, use linux/slab.h instead. */ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,9)) +#include <linux/malloc.h> +#else +#include <linux/slab.h> +#endif + +#include <linux/types.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/mm.h> +#include <linux/string.h> +#include <linux/pci.h> +#include <linux/interrupt.h> +#include <linux/netdevice.h> +#include <asm/io.h> + +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)) +#include <linux/workqueue.h> +#else +#include <linux/tqueue.h> +#define work_struct tq_struct +#define INIT_WORK(_work, _func, _data) INIT_TQUEUE((_work), (_func), (_data)) +#define schedule_work(_work) schedule_task((_work)) +#define flush_scheduled_work() flush_scheduled_tasks() +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) +/* Some distributions have their own 2.6.x compatibility layers */ +#ifndef IRQ_NONE +typedef void irqreturn_t; +#define IRQ_NONE +#define IRQ_HANDLED +#define IRQ_RETVAL(x) +#endif +#endif + +#if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE) + +#include <pcmcia/version.h> +#include <pcmcia/cs_types.h> +#include <pcmcia/cs.h> +#include <pcmcia/cistpl.h> +#include <pcmcia/cisreg.h> +#include <pcmcia/ds.h> + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,69)) +/* In 2.5 (as of 2.5.69 at least) there is a cs_error exported which + * does this, but it's not in 2.4 so we do our own for now. */ +static inline void +cs_error(client_handle_t handle, int func, int ret) +{ + error_info_t err = { func, ret }; + CardServices(ReportError, handle, &err); +} +#endif + +#endif /* CONFIG_PCMCIA */ + +#ifndef __exit +#define __exit +#endif +#ifndef __devexit +#define __devexit +#endif +#ifndef __devinit +#define __devinit __init +#endif +#ifndef __devinitdata +#define __devinitdata +#endif +#ifndef __devexit_p +#define __devexit_p(x) x +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) + +#define pci_get_drvdata(dev) (dev)->sysdata +#define pci_set_drvdata(dev, value) (dev)->sysdata=(value) + +/* + * New-style (2.4.x) PCI/hot-pluggable PCI/CardBus registration + */ + +struct pci_device_id { + unsigned int vendor, device; /* Vendor and device ID or PCI_ANY_ID */ + unsigned int subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */ + unsigned int class, class_mask; /* (class,subclass,prog-if) triplet */ + unsigned long driver_data; /* Data private to the driver */ +}; + +struct pci_driver { + struct list_head node; + char *name; + const struct pci_device_id *id_table; /* NULL if wants all devices */ + int (*probe)(struct pci_dev *dev, const struct pci_device_id *id); /* New device inserted */ + void (*remove)(struct pci_dev *dev); /* Device removed (NULL if not a hot-plug capable driver) */ + void (*suspend)(struct pci_dev *dev); /* Device suspended */ + void (*resume)(struct pci_dev *dev); /* Device woken up */ +}; + +#define MODULE_DEVICE_TABLE(type, name) +#define PCI_ANY_ID (~0) + +/* compatpci.c */ +#define pci_module_init pci_register_driver +extern int pci_register_driver(struct pci_driver *drv); +extern void pci_unregister_driver(struct pci_driver *drv); + +#endif /* PCI registration */ + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,2,18)) +#ifdef MODULE +#define module_init(x) int init_module(void) { return x(); } +#define module_exit(x) void cleanup_module(void) { x(); } +#else +#define module_init(x) __initcall(x); +#define module_exit(x) __exitcall(x); +#endif +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,48)) +#define list_for_each(pos, head) \ + for (pos = (head)->next; pos != (head); pos = pos->next) +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,13)) +#define pci_resource_start(dev, bar) ((dev)->base_address[(bar)]) +#elif (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,44)) +#define pci_resource_start(dev, bar) ((dev)->resource[(bar)].start) +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,23)) +#define pci_enable_device(dev) do { } while (0) +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,14)) +#define net_device device +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,42)) + +/* + * DMA mapping + * + * See linux/Documentation/DMA-mapping.txt + */ + +#ifndef PCI_DMA_TODEVICE +#define PCI_DMA_TODEVICE 1 +#define PCI_DMA_FROMDEVICE 2 +#endif + +typedef u32 dma_addr_t; + +/* Pure 2^n version of get_order */ +static inline int get_order(unsigned long size) +{ + int order; + + size = (size-1) >> (PAGE_SHIFT-1); + order = -1; + do { + size >>= 1; + order++; + } while (size); + return order; +} + +static inline void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, + dma_addr_t *dma_handle) +{ + void *ret; + int gfp = GFP_ATOMIC | GFP_DMA; + + ret = (void *)__get_free_pages(gfp, get_order(size)); + + if (ret != NULL) { + memset(ret, 0, size); + *dma_handle = virt_to_bus(ret); + } + return ret; +} +static inline void pci_free_consistent(struct pci_dev *hwdev, size_t size, + void *vaddr, dma_addr_t dma_handle) +{ + free_pages((unsigned long)vaddr, get_order(size)); +} +#ifdef ILSIM +extern uint pci_map_single(void *dev, void *va, uint size, int direction); +extern void pci_unmap_single(void *dev, uint pa, uint size, int direction); +#else +#define pci_map_single(cookie, address, size, dir) virt_to_bus(address) +#define pci_unmap_single(cookie, address, size, dir) +#endif + +#endif /* DMA mapping */ + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,43)) + +#define dev_kfree_skb_any(a) dev_kfree_skb(a) +#define netif_down(dev) do { (dev)->start = 0; } while(0) + +/* pcmcia-cs provides its own netdevice compatibility layer */ +#ifndef _COMPAT_NETDEVICE_H + +/* + * SoftNet + * + * For pre-softnet kernels we need to tell the upper layer not to + * re-enter start_xmit() while we are in there. However softnet + * guarantees not to enter while we are in there so there is no need + * to do the netif_stop_queue() dance unless the transmit queue really + * gets stuck. This should also improve performance according to tests + * done by Aman Singla. + */ + +#define dev_kfree_skb_irq(a) dev_kfree_skb(a) +#define netif_wake_queue(dev) do { clear_bit(0, &(dev)->tbusy); mark_bh(NET_BH); } while(0) +#define netif_stop_queue(dev) set_bit(0, &(dev)->tbusy) + +static inline void netif_start_queue(struct net_device *dev) +{ + dev->tbusy = 0; + dev->interrupt = 0; + dev->start = 1; +} + +#define netif_queue_stopped(dev) (dev)->tbusy +#define netif_running(dev) (dev)->start + +#endif /* _COMPAT_NETDEVICE_H */ + +#define netif_device_attach(dev) netif_start_queue(dev) +#define netif_device_detach(dev) netif_stop_queue(dev) + +/* 2.4.x renamed bottom halves to tasklets */ +#define tasklet_struct tq_struct +static inline void tasklet_schedule(struct tasklet_struct *tasklet) +{ + queue_task(tasklet, &tq_immediate); + mark_bh(IMMEDIATE_BH); +} + +static inline void tasklet_init(struct tasklet_struct *tasklet, + void (*func)(unsigned long), + unsigned long data) +{ + tasklet->next = NULL; + tasklet->sync = 0; + tasklet->routine = (void (*)(void *))func; + tasklet->data = (void *)data; +} +#define tasklet_kill(tasklet) {do{} while(0);} + +/* 2.4.x introduced del_timer_sync() */ +#define del_timer_sync(timer) del_timer(timer) + +#else + +#define netif_down(dev) + +#endif /* SoftNet */ + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,3)) + +/* + * Emit code to initialise a tq_struct's routine and data pointers + */ +#define PREPARE_TQUEUE(_tq, _routine, _data) \ + do { \ + (_tq)->routine = _routine; \ + (_tq)->data = _data; \ + } while (0) + +/* + * Emit code to initialise all of a tq_struct + */ +#define INIT_TQUEUE(_tq, _routine, _data) \ + do { \ + INIT_LIST_HEAD(&(_tq)->list); \ + (_tq)->sync = 0; \ + PREPARE_TQUEUE((_tq), (_routine), (_data)); \ + } while (0) + +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,6)) + +/* Power management related routines */ + +static inline int +pci_save_state(struct pci_dev *dev, u32 *buffer) +{ + int i; + if (buffer) { + for (i = 0; i < 16; i++) + pci_read_config_dword(dev, i * 4,&buffer[i]); + } + return 0; +} + +static inline int +pci_restore_state(struct pci_dev *dev, u32 *buffer) +{ + int i; + + if (buffer) { + for (i = 0; i < 16; i++) + pci_write_config_dword(dev,i * 4, buffer[i]); + } + /* + * otherwise, write the context information we know from bootup. + * This works around a problem where warm-booting from Windows + * combined with a D3(hot)->D0 transition causes PCI config + * header data to be forgotten. + */ + else { + for (i = 0; i < 6; i ++) + pci_write_config_dword(dev, + PCI_BASE_ADDRESS_0 + (i * 4), + pci_resource_start(dev, i)); + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); + } + return 0; +} + +#endif /* PCI power management */ + +/* Old cp0 access macros deprecated in 2.4.19 */ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19)) +#define read_c0_count() read_32bit_cp0_register(CP0_COUNT) +#endif + +/* Module refcount handled internally in 2.6.x */ +#ifndef SET_MODULE_OWNER +#define SET_MODULE_OWNER(dev) do {} while (0) +#define OLD_MOD_INC_USE_COUNT MOD_INC_USE_COUNT +#define OLD_MOD_DEC_USE_COUNT MOD_DEC_USE_COUNT +#else +#define OLD_MOD_INC_USE_COUNT do {} while (0) +#define OLD_MOD_DEC_USE_COUNT do {} while (0) +#endif + +#ifndef SET_NETDEV_DEV +#define SET_NETDEV_DEV(net, pdev) do {} while (0) +#endif + +#ifndef HAVE_FREE_NETDEV +#define free_netdev(dev) kfree(dev) +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) +/* struct packet_type redefined in 2.6.x */ +#define af_packet_priv data +#endif + +#endif /* _linuxver_h_ */ |