From: Chip Coldwell <coldwell@redhat.com>
Date: Mon, 17 Dec 2007 07:45:47 -0500
Subject: [scsi] mpt fusion: add accessor for version 3.04.05+
Message-id: alpine.LFD.0.9999.0712170744410.16626@localhost.localdomain
O-Subject: [RHEL-5.2 PATCH] 2/3 bz253122 Update mpt fusion to version 3.04.05+
Bugzilla: 253122

Adds accessors to the SCSI midlayer

 include/scsi/scsi_cmnd.h |   13 +++++++++++++
 include/scsi/scsi_host.h |    4 ++++
 2 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 58e6444..5e67d09 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -142,4 +142,17 @@ extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count,
 				 size_t *offset, size_t *len);
 extern void scsi_kunmap_atomic_sg(void *virt);
 
+#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 /* _SCSI_SCSI_CMND_H */
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index ab322bc..8b35f0d 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -647,6 +647,10 @@ struct Scsi_Host {
 #define shost_printk(prefix, shost, fmt, a...)	\
 	dev_printk(prefix, &(shost)->shost_gendev, fmt, ##a)
 
+static inline void *shost_priv(struct Scsi_Host *shost)
+{
+	return (void *)shost->hostdata;
+}
 
 int scsi_is_host_device(const struct device *);