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#ifndef _BSD_COMPAT_H_
#define _BSD_COMPAT_H_ 1
/****************************************************************************/
/*
* Provide compat routines for older linux kernels and BSD kernels
*
* Written by David McCullough <david_mccullough@securecomputing.com>
* Copyright (C) 2007 David McCullough <david_mccullough@securecomputing.com>
*
* LICENSE TERMS
*
* The free distribution and use of this software in both source and binary
* form is allowed (with or without changes) provided that:
*
* 1. distributions of this source code include the above copyright
* notice, this list of conditions and the following disclaimer;
*
* 2. distributions in binary form include the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other associated materials;
*
* 3. the copyright holder's name is not used to endorse products
* built using this software without specific written permission.
*
* ALTERNATIVELY, provided that this notice is retained in full, this file
* may be distributed under the terms of the GNU General Public License (GPL),
* in which case the provisions of the GPL apply INSTEAD OF those given above.
*
* DISCLAIMER
*
* This software is provided 'as is' with no explicit or implied warranties
* in respect of its properties, including, but not limited to, correctness
* and/or fitness for purpose.
*/
/****************************************************************************/
#ifdef __KERNEL__
/*
* fake some BSD driver interface stuff specifically for OCF use
*/
typedef struct ocf_device *device_t;
typedef struct {
int (*cryptodev_newsession)(device_t dev, u_int32_t *sidp, struct cryptoini *cri);
int (*cryptodev_freesession)(device_t dev, u_int64_t tid);
int (*cryptodev_process)(device_t dev, struct cryptop *crp, int hint);
int (*cryptodev_kprocess)(device_t dev, struct cryptkop *krp, int hint);
} device_method_t;
#define DEVMETHOD(id, func) id: func
struct ocf_device {
char name[32]; /* the driver name */
char nameunit[32]; /* the driver name + HW instance */
int unit;
device_method_t methods;
void *softc;
};
#define CRYPTODEV_NEWSESSION(dev, sid, cri) \
((*(dev)->methods.cryptodev_newsession)(dev,sid,cri))
#define CRYPTODEV_FREESESSION(dev, sid) \
((*(dev)->methods.cryptodev_freesession)(dev, sid))
#define CRYPTODEV_PROCESS(dev, crp, hint) \
((*(dev)->methods.cryptodev_process)(dev, crp, hint))
#define CRYPTODEV_KPROCESS(dev, krp, hint) \
((*(dev)->methods.cryptodev_kprocess)(dev, krp, hint))
#define device_get_name(dev) ((dev)->name)
#define device_get_nameunit(dev) ((dev)->nameunit)
#define device_get_unit(dev) ((dev)->unit)
#define device_get_softc(dev) ((dev)->softc)
#define softc_device_decl \
struct ocf_device _device; \
device_t
#define softc_device_init(_sc, _name, _unit, _methods) \
if (1) {\
strncpy((_sc)->_device.name, _name, sizeof((_sc)->_device.name) - 1); \
snprintf((_sc)->_device.nameunit, sizeof((_sc)->_device.name), "%s%d", _name, _unit); \
(_sc)->_device.unit = _unit; \
(_sc)->_device.methods = _methods; \
(_sc)->_device.softc = (void *) _sc; \
*(device_t *)((softc_get_device(_sc))+1) = &(_sc)->_device; \
} else
#define softc_get_device(_sc) (&(_sc)->_device)
/*
* iomem support for 2.4 and 2.6 kernels
*/
#include <linux/version.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
#define ocf_iomem_t unsigned long
/*
* implement simple workqueue like support for older kernels
*/
#include <linux/tqueue.h>
#define work_struct tq_struct
#define INIT_WORK(wp, fp, ap) \
do { \
(wp)->sync = 0; \
(wp)->routine = (fp); \
(wp)->data = (ap); \
} while (0)
#define schedule_work(wp) \
do { \
queue_task((wp), &tq_immediate); \
mark_bh(IMMEDIATE_BH); \
} while (0)
#define flush_scheduled_work() run_task_queue(&tq_immediate)
#else
#define ocf_iomem_t void __iomem *
#include <linux/workqueue.h>
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11)
#define files_fdtable(files) (files)
#endif
#ifdef MODULE_PARM
#undef module_param /* just in case */
#define module_param(a,b,c) MODULE_PARM(a,"i")
#endif
#define bzero(s,l) memset(s,0,l)
#define bcopy(s,d,l) memcpy(d,s,l)
#define bcmp(x, y, l) memcmp(x,y,l)
#define MIN(x,y) ((x) < (y) ? (x) : (y))
#define device_printf(dev, a...) ({ \
printk("%s: ", device_get_nameunit(dev)); printk(a); \
})
#undef printf
#define printf(fmt...) printk(fmt)
#define KASSERT(c,p) if (!(c)) { printk p ; } else
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
#define ocf_daemonize(str) \
daemonize(); \
spin_lock_irq(¤t->sigmask_lock); \
sigemptyset(¤t->blocked); \
recalc_sigpending(current); \
spin_unlock_irq(¤t->sigmask_lock); \
sprintf(current->comm, str);
#else
#define ocf_daemonize(str) daemonize(str);
#endif
#define TAILQ_INSERT_TAIL(q,d,m) list_add_tail(&(d)->m, (q))
#define TAILQ_EMPTY(q) list_empty(q)
#define TAILQ_FOREACH(v, q, m) list_for_each_entry(v, q, m)
#define read_random(p,l) get_random_bytes(p,l)
#define DELAY(x) ((x) > 2000 ? mdelay((x)/1000) : udelay(x))
#define strtoul simple_strtoul
#define pci_get_vendor(dev) ((dev)->vendor)
#define pci_get_device(dev) ((dev)->device)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
#define pci_set_consistent_dma_mask(dev, mask) (0)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
#define pci_dma_sync_single_for_cpu pci_dma_sync_single
#endif
#ifndef DMA_32BIT_MASK
#define DMA_32BIT_MASK 0x00000000ffffffffULL
#endif
#define htole32(x) cpu_to_le32(x)
#define htobe32(x) cpu_to_be32(x)
#define htole16(x) cpu_to_le16(x)
#define htobe16(x) cpu_to_be16(x)
/* older kernels don't have these */
#ifndef IRQ_NONE
#define IRQ_NONE
#define IRQ_HANDLED
#define irqreturn_t void
#endif
#ifndef IRQF_SHARED
#define IRQF_SHARED SA_SHIRQ
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
# define strlcpy(dest,src,len) \
({strncpy(dest,src,(len)-1); ((char *)dest)[(len)-1] = '\0'; })
#endif
#ifndef MAX_ERRNO
#define MAX_ERRNO 4095
#endif
#ifndef IS_ERR_VALUE
#define IS_ERR_VALUE(x) ((unsigned long)(x) >= (unsigned long)-MAX_ERRNO)
#endif
/*
* common debug for all
*/
#if 1
#define dprintk(a...) do { if (debug) printk(a); } while(0)
#else
#define dprintk(a...)
#endif
#ifndef SLAB_ATOMIC
/* Changed in 2.6.20, must use GFP_ATOMIC now */
#define SLAB_ATOMIC GFP_ATOMIC
#endif
/*
* need some additional support for older kernels */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,2)
#define pci_register_driver_compat(driver, rc) \
do { \
if ((rc) > 0) { \
(rc) = 0; \
} else if (rc == 0) { \
(rc) = -ENODEV; \
} else { \
pci_unregister_driver(driver); \
} \
} while (0)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
#define pci_register_driver_compat(driver,rc) ((rc) = (rc) < 0 ? (rc) : 0)
#else
#define pci_register_driver_compat(driver,rc)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
#include <asm/scatterlist.h>
static inline void sg_set_page(struct scatterlist *sg, struct page *page,
unsigned int len, unsigned int offset)
{
sg->page = page;
sg->offset = offset;
sg->length = len;
}
static inline void *sg_virt(struct scatterlist *sg)
{
return page_address(sg->page) + sg->offset;
}
#endif
#endif /* __KERNEL__ */
/****************************************************************************/
#endif /* _BSD_COMPAT_H_ */
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