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authorIngo Molnar <mingo@elte.hu>2009-03-04 11:14:47 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-04 11:14:47 +0100
commita1be621dfacbef0fd374d8acd553d71e07bf29ac (patch)
tree32b0355454b43b1098b5e01dd699fd7281abf781 /drivers/scsi/cxgb3i/cxgb3i.h
parent3612fdf780e28b10323dd12d2b0f306c7ada4d4c (diff)
parentfec6c6fec3e20637bee5d276fb61dd8b49a3f9cc (diff)
Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc7' into tracing/core
Diffstat (limited to 'drivers/scsi/cxgb3i/cxgb3i.h')
-rw-r--r--drivers/scsi/cxgb3i/cxgb3i.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/scsi/cxgb3i/cxgb3i.h b/drivers/scsi/cxgb3i/cxgb3i.h
index fde6e4c634e..a7cf550b9cc 100644
--- a/drivers/scsi/cxgb3i/cxgb3i.h
+++ b/drivers/scsi/cxgb3i/cxgb3i.h
@@ -20,6 +20,7 @@
#include <linux/list.h>
#include <linux/netdevice.h>
#include <linux/scatterlist.h>
+#include <linux/skbuff.h>
#include <scsi/libiscsi_tcp.h>
/* from cxgb3 LLD */
@@ -113,6 +114,26 @@ struct cxgb3i_endpoint {
struct cxgb3i_conn *cconn;
};
+/**
+ * struct cxgb3i_task_data - private iscsi task data
+ *
+ * @nr_frags: # of coalesced page frags (from scsi sgl)
+ * @frags: coalesced page frags (from scsi sgl)
+ * @skb: tx pdu skb
+ * @offset: data offset for the next pdu
+ * @count: max. possible pdu payload
+ * @sgoffset: offset to the first sg entry for a given offset
+ */
+#define MAX_PDU_FRAGS ((ULP2_MAX_PDU_PAYLOAD + 512 - 1) / 512)
+struct cxgb3i_task_data {
+ unsigned short nr_frags;
+ skb_frag_t frags[MAX_PDU_FRAGS];
+ struct sk_buff *skb;
+ unsigned int offset;
+ unsigned int count;
+ unsigned int sgoffset;
+};
+
int cxgb3i_iscsi_init(void);
void cxgb3i_iscsi_cleanup(void);