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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(&current->sigmask_lock); \
+ sigemptyset(&current->blocked); \
+ recalc_sigpending(current); \
+ spin_unlock_irq(&current->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_ */