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path: root/drivers/scsi/cxgb3i/cxgb3i.h
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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 fde6e4c634e7..a7cf550b9cca 100644
--- a/drivers/scsi/cxgb3i/cxgb3i.h
+++ b/drivers/scsi/cxgb3i/cxgb3i.h
@@ -20,6 +20,7 @@
20#include <linux/list.h> 20#include <linux/list.h>
21#include <linux/netdevice.h> 21#include <linux/netdevice.h>
22#include <linux/scatterlist.h> 22#include <linux/scatterlist.h>
23#include <linux/skbuff.h>
23#include <scsi/libiscsi_tcp.h> 24#include <scsi/libiscsi_tcp.h>
24 25
25/* from cxgb3 LLD */ 26/* from cxgb3 LLD */
@@ -113,6 +114,26 @@ struct cxgb3i_endpoint {
113 struct cxgb3i_conn *cconn; 114 struct cxgb3i_conn *cconn;
114}; 115};
115 116
117/**
118 * struct cxgb3i_task_data - private iscsi task data
119 *
120 * @nr_frags: # of coalesced page frags (from scsi sgl)
121 * @frags: coalesced page frags (from scsi sgl)
122 * @skb: tx pdu skb
123 * @offset: data offset for the next pdu
124 * @count: max. possible pdu payload
125 * @sgoffset: offset to the first sg entry for a given offset
126 */
127#define MAX_PDU_FRAGS ((ULP2_MAX_PDU_PAYLOAD + 512 - 1) / 512)
128struct cxgb3i_task_data {
129 unsigned short nr_frags;
130 skb_frag_t frags[MAX_PDU_FRAGS];
131 struct sk_buff *skb;
132 unsigned int offset;
133 unsigned int count;
134 unsigned int sgoffset;
135};
136
116int cxgb3i_iscsi_init(void); 137int cxgb3i_iscsi_init(void);
117void cxgb3i_iscsi_cleanup(void); 138void cxgb3i_iscsi_cleanup(void);
118 139