path: root/kernel/2.6.33-34_compat.patch

diff --git a/iscsi_tcp.c b/iscsi_tcp.c
index 2a401b9..197d314 100644
--- a/iscsi_tcp.c
+++ b/iscsi_tcp.c
@@ -43,6 +43,7 @@
 #include <scsi/scsi.h>
 #include "scsi_transport_iscsi.h"
 
+#include "open_iscsi_compat.h"
 #include "iscsi_tcp.h"
 
 MODULE_AUTHOR("Mike Christie <michaelc@cs.wisc.edu>, "
diff --git a/open_iscsi_compat.h b/open_iscsi_compat.h
new file mode 100644
index 0000000..50ab84d
--- /dev/null
+++ b/open_iscsi_compat.h
@@ -0,0 +1,276 @@
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+
+#ifndef OPEN_ISCSI_COMPAT
+#define OPEN_ISCSI_COMPAT
+
+#ifndef SCAN_WILD_CARD
+#define SCAN_WILD_CARD  ~0
+#endif
+
+#ifndef NIPQUAD_FMT
+#define NIPQUAD_FMT "%u.%u.%u.%u"
+#endif
+
+#ifndef NIP6_FMT
+#define NIP6_FMT "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x"
+#endif
+
+#ifndef DEFINE_MUTEX
+
+/* mutex changes from 2.6.16-rc1 and up */
+#define DEFINE_MUTEX DECLARE_MUTEX
+#define mutex_lock down
+#define mutex_unlock up
+#define mutex semaphore
+#define mutex_init init_MUTEX
+#endif
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12)
+
+void int_to_scsilun(unsigned int lun, struct scsi_lun *scsilun)
+{
+	int i;
+
+	memset(scsilun->scsi_lun, 0, sizeof(scsilun->scsi_lun));
+
+	for (i = 0; i < sizeof(lun); i += 2) {
+		scsilun->scsi_lun[i] = (lun >> 8) & 0xFF;
+		scsilun->scsi_lun[i+1] = lun & 0xFF;
+		lun = lun >> 16;
+	}
+}
+
+#define __nlmsg_put(skb, daemon_pid, seq, type, len, flags) \
+	__nlmsg_put(skb, daemon_pid, 0, 0, len)
+
+#endif
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,13)
+
+#define gfp_t unsigned
+
+void *kzalloc(size_t size, gfp_t flags)
+{
+	void *ret = kmalloc(size, flags);
+	if (ret)
+		memset(ret, 0, size);
+}
+
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
+
+#include "linux/crypto.h"
+
+#define CRYPTO_ALG_ASYNC		0x00000080
+struct hash_desc
+{
+	struct crypto_tfm *tfm;
+	u32 flags;
+};
+
+static inline int crypto_hash_init(struct hash_desc *desc)
+{
+	crypto_digest_init(desc->tfm);
+	return 0;
+}
+
+static inline int crypto_hash_digest(struct hash_desc *desc,
+				     struct scatterlist *sg,
+				     unsigned int nbytes, u8 *out)
+{
+	crypto_digest_digest(desc->tfm, sg, 1, out);
+	return nbytes;
+}
+
+static inline int crypto_hash_update(struct hash_desc *desc,
+				     struct scatterlist *sg,
+				     unsigned int nbytes)
+{
+	crypto_digest_update(desc->tfm, sg, 1);
+	return nbytes;
+}
+
+static inline int crypto_hash_final(struct hash_desc *desc, u8 *out)
+{
+	crypto_digest_final(desc->tfm, out);
+	return 0;
+}
+
+static inline struct crypto_tfm *crypto_alloc_hash(const char *alg_name,
+						    u32 type, u32 mask)
+{
+	struct crypto_tfm *ret = crypto_alloc_tfm(alg_name ,type);
+	return ret ? ret : ERR_PTR(-ENOMEM);
+}
+
+static inline void crypto_free_hash(struct crypto_tfm *tfm)
+{
+	crypto_free_tfm(tfm);
+}
+
+int kernel_getsockname(struct socket *sock, struct sockaddr *addr,
+			int *addrlen)
+{
+	return sock->ops->getname(sock, addr, addrlen, 0);
+}
+
+int kernel_getpeername(struct socket *sock, struct sockaddr *addr,
+			int *addrlen)
+{
+	return sock->ops->getname(sock, addr, addrlen, 1);
+}
+
+#endif
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,20)
+
+static inline int is_power_of_2(unsigned long n)
+{
+	return (n != 0 && ((n & (n - 1)) == 0));
+}
+#endif
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
+
+static inline struct nlmsghdr *nlmsg_hdr(const struct sk_buff *skb)
+{
+	return (struct nlmsghdr *)skb->data;
+}
+
+#endif
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,22)
+
+static inline void *shost_priv(struct Scsi_Host *shost)
+{
+	return (void *)shost->hostdata;
+}
+
+/*
+ * Note: We do not support bidi for the compat modules if the kernel
+ * does not have support.
+ */
+#define scsi_sg_count(cmd) ((cmd)->use_sg)
+#define scsi_sglist(cmd) ((struct scatterlist *)(cmd)->request_buffer)
+#define scsi_bufflen(cmd) ((cmd)->request_bufflen)
+
+static inline void scsi_set_resid(struct scsi_cmnd *cmd, int resid)
+{
+	cmd->resid = resid;
+}
+
+static inline int scsi_get_resid(struct scsi_cmnd *cmd)
+{
+	return cmd->resid;
+}
+
+#endif
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
+
+static inline unsigned long rounddown_pow_of_two(unsigned long n)
+{
+	return 1UL << (fls_long(n) - 1);
+}
+
+
+static inline struct scatterlist *sg_next(struct scatterlist *sg)
+{
+	if (!sg) {
+		BUG();
+		return NULL;
+	}
+	return sg + 1;
+}
+
+#define for_each_sg(sglist, sg, nr, __i)        \
+	for (__i = 0, sg = (sglist); __i < (nr); __i++, sg = sg_next(sg))
+
+#define sg_page(_sg) _sg->page
+
+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_init_table(struct scatterlist *sgl, unsigned int nents)
+{
+	memset(sgl, 0, sizeof(*sgl) * nents);
+}
+#endif
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,24)
+
+static inline int scsi_bidi_cmnd(struct scsi_cmnd *cmd)
+{
+	return 0;
+}
+
+#define netlink_kernel_release(_nls) \
+	sock_release(_nls->sk_socket)
+
+
+#endif
+
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,13)
+
+#define netlink_kernel_create(net, uint, groups, input, cb_mutex, mod) \
+	netlink_kernel_create(uint, input)
+
+#elif LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
+
+#define netlink_kernel_create(net, uint, groups, input, cb_mutex, mod) \
+	netlink_kernel_create(uint, groups, input, mod)
+
+#elif LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,22)
+
+#define netlink_kernel_create(net, uint, groups, input, cb_mutex, mod) \
+	netlink_kernel_create(uint, groups, input, cb_mutex, mod)
+
+#elif LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
+
+#define netlink_kernel_create(net, uint, groups, input, cb_mutex, mod) \
+	netlink_kernel_create(uint, groups, input, cb_mutex, mod)
+
+#endif
+
+#ifndef DID_TRANSPORT_DISRUPTED
+#define DID_TRANSPORT_DISRUPTED DID_BUS_BUSY
+#endif
+
+#ifndef DID_TRANSPORT_FAILFAST
+#define DID_TRANSPORT_FAILFAST DID_NO_CONNECT
+#endif
+
+#ifndef SCSI_MLQUEUE_TARGET_BUSY
+#define SCSI_MLQUEUE_TARGET_BUSY SCSI_MLQUEUE_HOST_BUSY
+#endif
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27)
+
+#define BLK_EH_NOT_HANDLED EH_NOT_HANDLED
+#define BLK_EH_RESET_TIMER EH_RESET_TIMER
+
+#define blk_eh_timer_return scsi_eh_timer_return
+
+#endif
+
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,34)
+
+static inline wait_queue_head_t *sk_sleep(struct sock *sk)
+{
+	return sk->sk_sleep;
+}
+
+#endif
+
+#endif
-- 
1.6.6.1