From 38e1a8f5479d7d75a68d797c7159f5b7e2ef44e4 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Tue, 2 Dec 2008 00:32:12 -0600 Subject: [SCSI] iscsi_tcp: hook iscsi_tcp into new libiscsi_tcp module This hooks iscsi_tcp into the libiscsi_tcp module and removes code that is now in libiscsi_tcp. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/iscsi_tcp.h | 71 +++++++----------------------------------------- 1 file changed, 10 insertions(+), 61 deletions(-) (limited to 'drivers/scsi/iscsi_tcp.h') diff --git a/drivers/scsi/iscsi_tcp.h b/drivers/scsi/iscsi_tcp.h index 0ed47733c75f..ca6b7bc64de0 100644 --- a/drivers/scsi/iscsi_tcp.h +++ b/drivers/scsi/iscsi_tcp.h @@ -19,67 +19,27 @@ * See the file COPYING included with this distribution for more details. */ -#ifndef ISCSI_TCP_H -#define ISCSI_TCP_H +#ifndef ISCSI_SW_TCP_H +#define ISCSI_SW_TCP_H #include +#include -struct crypto_hash; struct socket; struct iscsi_tcp_conn; -struct iscsi_segment; - -typedef int iscsi_segment_done_fn_t(struct iscsi_tcp_conn *, - struct iscsi_segment *); - -struct iscsi_segment { - unsigned char *data; - unsigned int size; - unsigned int copied; - unsigned int total_size; - unsigned int total_copied; - - struct hash_desc *hash; - unsigned char recv_digest[ISCSI_DIGEST_SIZE]; - unsigned char digest[ISCSI_DIGEST_SIZE]; - unsigned int digest_len; - - struct scatterlist *sg; - void *sg_mapped; - unsigned int sg_offset; - - iscsi_segment_done_fn_t *done; -}; - -/* Socket connection recieve helper */ -struct iscsi_tcp_recv { - struct iscsi_hdr *hdr; - struct iscsi_segment segment; - - /* Allocate buffer for BHS + AHS */ - uint32_t hdr_buf[64]; - - /* copied and flipped values */ - int datalen; -}; /* Socket connection send helper */ -struct iscsi_tcp_send { +struct iscsi_sw_tcp_send { struct iscsi_hdr *hdr; struct iscsi_segment segment; struct iscsi_segment data_segment; }; -struct iscsi_tcp_conn { +struct iscsi_sw_tcp_conn { struct iscsi_conn *iscsi_conn; struct socket *sock; - int stop_stage; /* conn_stop() flag: * - * stop to recover, * - * stop to terminate */ - /* control data */ - struct iscsi_tcp_recv in; /* TCP receive context */ - struct iscsi_tcp_send out; /* TCP send context */ + struct iscsi_sw_tcp_send out; /* old values for socket callbacks */ void (*old_data_ready)(struct sock *, int); void (*old_state_change)(struct sock *); @@ -93,24 +53,13 @@ struct iscsi_tcp_conn { uint32_t sendpage_failures_cnt; uint32_t discontiguous_hdr_cnt; - int error; - ssize_t (*sendpage)(struct socket *, struct page *, int, size_t, int); }; -struct iscsi_tcp_task { - struct iscsi_hdr_buff { - struct iscsi_hdr hdrbuf; - char hdrextbuf[ISCSI_MAX_AHS_SIZE + +struct iscsi_sw_tcp_hdrbuf { + struct iscsi_hdr hdrbuf; + char hdrextbuf[ISCSI_MAX_AHS_SIZE + ISCSI_DIGEST_SIZE]; - } hdr; - - int sent; - uint32_t exp_datasn; /* expected target's R2TSN/DataSN */ - int data_offset; - struct iscsi_r2t_info *r2t; /* in progress solict R2T */ - struct iscsi_pool r2tpool; - struct kfifo *r2tqueue; }; -#endif /* ISCSI_H */ +#endif /* ISCSI_SW_TCP_H */ -- cgit v1.2.3