*/
/****************************************************************************/
#ifdef __KERNEL__
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38) && !defined(AUTOCONF_INCLUDED)
+#include <linux/config.h>
+#endif
+
/*
* fake some BSD driver interface stuff specifically for OCF use
*/
#define late_initcall(init) module_init(init)
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,4) || !defined(CONFIG_SMP)
+#define ocf_for_each_cpu(cpu) for ((cpu) = 0; (cpu) == 0; (cpu)++)
+#else
+#define ocf_for_each_cpu(cpu) for_each_present_cpu(cpu)
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
+#include <linux/sched.h>
+#define kill_proc(p,s,v) send_sig(s,find_task_by_vpid(p),0)
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,4)
+
+struct ocf_thread {
+ struct task_struct *task;
+ int (*func)(void *arg);
+ void *arg;
+};
+
+/* thread startup helper func */
+static inline int ocf_run_thread(void *arg)
+{
+ struct ocf_thread *t = (struct ocf_thread *) arg;
+ if (!t)
+ return -1; /* very bad */
+ t->task = current;
+ daemonize();
+ spin_lock_irq(¤t->sigmask_lock);
+ sigemptyset(¤t->blocked);
+ recalc_sigpending(current);
+ spin_unlock_irq(¤t->sigmask_lock);
+ return (*t->func)(t->arg);
+}
+
+#define kthread_create(f,a,fmt...) \
+ ({ \
+ struct ocf_thread t; \
+ pid_t p; \
+ t.task = NULL; \
+ t.func = (f); \
+ t.arg = (a); \
+ p = kernel_thread(ocf_run_thread, &t, CLONE_FS|CLONE_FILES); \
+ while (p != (pid_t) -1 && t.task == NULL) \
+ schedule(); \
+ if (t.task) \
+ snprintf(t.task->comm, sizeof(t.task->comm), fmt); \
+ (t.task); \
+ })
+
+#define kthread_bind(t,cpu) /**/
+
+#define kthread_should_stop() (strcmp(current->comm, "stopping") == 0)
+
+#define kthread_stop(t) \
+ ({ \
+ strcpy((t)->comm, "stopping"); \
+ kill_proc((t)->pid, SIGTERM, 1); \
+ do { \
+ schedule(); \
+ } while (kill_proc((t)->pid, SIGTERM, 1) == 0); \
+ })
+
+#else
+#include <linux/kthread.h>
+#endif
+
+#include <linux/skbuff.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,2,0)
+static inline struct page *skb_frag_page(const skb_frag_t *frag)
+{
+ return frag->page;
+}
+#endif
+
#endif /* __KERNEL__ */
/****************************************************************************/