forked from Minki/linux
bd027d856d
Instead of special casing the handful of callers that check for iser-target rdma verbs specific shutdown, use a simple flag at iscsit_transport->rdma_shutdown so each driver can signal this. Also, update iscsi-target/tcp + cxgbit to rdma_shutdown = false. Cc: Varun Prakash <varun@chelsio.com> Cc: Hariprasad Shenai <hariprasad@chelsio.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
146 lines
5.7 KiB
C
146 lines
5.7 KiB
C
#include <linux/module.h>
|
|
#include <linux/list.h>
|
|
#include "iscsi_target_core.h"
|
|
|
|
struct iscsit_transport {
|
|
#define ISCSIT_TRANSPORT_NAME 16
|
|
char name[ISCSIT_TRANSPORT_NAME];
|
|
int transport_type;
|
|
bool rdma_shutdown;
|
|
int priv_size;
|
|
struct module *owner;
|
|
struct list_head t_node;
|
|
int (*iscsit_setup_np)(struct iscsi_np *, struct sockaddr_storage *);
|
|
int (*iscsit_accept_np)(struct iscsi_np *, struct iscsi_conn *);
|
|
void (*iscsit_free_np)(struct iscsi_np *);
|
|
void (*iscsit_wait_conn)(struct iscsi_conn *);
|
|
void (*iscsit_free_conn)(struct iscsi_conn *);
|
|
int (*iscsit_get_login_rx)(struct iscsi_conn *, struct iscsi_login *);
|
|
int (*iscsit_put_login_tx)(struct iscsi_conn *, struct iscsi_login *, u32);
|
|
int (*iscsit_immediate_queue)(struct iscsi_conn *, struct iscsi_cmd *, int);
|
|
int (*iscsit_response_queue)(struct iscsi_conn *, struct iscsi_cmd *, int);
|
|
int (*iscsit_get_dataout)(struct iscsi_conn *, struct iscsi_cmd *, bool);
|
|
int (*iscsit_queue_data_in)(struct iscsi_conn *, struct iscsi_cmd *);
|
|
int (*iscsit_queue_status)(struct iscsi_conn *, struct iscsi_cmd *);
|
|
void (*iscsit_aborted_task)(struct iscsi_conn *, struct iscsi_cmd *);
|
|
int (*iscsit_xmit_pdu)(struct iscsi_conn *, struct iscsi_cmd *,
|
|
struct iscsi_datain_req *, const void *, u32);
|
|
void (*iscsit_release_cmd)(struct iscsi_conn *, struct iscsi_cmd *);
|
|
void (*iscsit_get_rx_pdu)(struct iscsi_conn *);
|
|
int (*iscsit_validate_params)(struct iscsi_conn *);
|
|
void (*iscsit_get_r2t_ttt)(struct iscsi_conn *, struct iscsi_cmd *,
|
|
struct iscsi_r2t *);
|
|
enum target_prot_op (*iscsit_get_sup_prot_ops)(struct iscsi_conn *);
|
|
};
|
|
|
|
static inline void *iscsit_priv_cmd(struct iscsi_cmd *cmd)
|
|
{
|
|
return (void *)(cmd + 1);
|
|
}
|
|
|
|
/*
|
|
* From iscsi_target_transport.c
|
|
*/
|
|
|
|
extern int iscsit_register_transport(struct iscsit_transport *);
|
|
extern void iscsit_unregister_transport(struct iscsit_transport *);
|
|
extern struct iscsit_transport *iscsit_get_transport(int);
|
|
extern void iscsit_put_transport(struct iscsit_transport *);
|
|
|
|
/*
|
|
* From iscsi_target.c
|
|
*/
|
|
extern int iscsit_setup_scsi_cmd(struct iscsi_conn *, struct iscsi_cmd *,
|
|
unsigned char *);
|
|
extern void iscsit_set_unsoliticed_dataout(struct iscsi_cmd *);
|
|
extern int iscsit_process_scsi_cmd(struct iscsi_conn *, struct iscsi_cmd *,
|
|
struct iscsi_scsi_req *);
|
|
extern int iscsit_check_dataout_hdr(struct iscsi_conn *, unsigned char *,
|
|
struct iscsi_cmd **);
|
|
extern int iscsit_check_dataout_payload(struct iscsi_cmd *, struct iscsi_data *,
|
|
bool);
|
|
extern int iscsit_setup_nop_out(struct iscsi_conn *, struct iscsi_cmd *,
|
|
struct iscsi_nopout *);
|
|
extern int iscsit_process_nop_out(struct iscsi_conn *, struct iscsi_cmd *,
|
|
struct iscsi_nopout *);
|
|
extern int iscsit_handle_logout_cmd(struct iscsi_conn *, struct iscsi_cmd *,
|
|
unsigned char *);
|
|
extern int iscsit_handle_task_mgt_cmd(struct iscsi_conn *, struct iscsi_cmd *,
|
|
unsigned char *);
|
|
extern int iscsit_setup_text_cmd(struct iscsi_conn *, struct iscsi_cmd *,
|
|
struct iscsi_text *);
|
|
extern int iscsit_process_text_cmd(struct iscsi_conn *, struct iscsi_cmd *,
|
|
struct iscsi_text *);
|
|
extern void iscsit_build_rsp_pdu(struct iscsi_cmd *, struct iscsi_conn *,
|
|
bool, struct iscsi_scsi_rsp *);
|
|
extern void iscsit_build_nopin_rsp(struct iscsi_cmd *, struct iscsi_conn *,
|
|
struct iscsi_nopin *, bool);
|
|
extern void iscsit_build_task_mgt_rsp(struct iscsi_cmd *, struct iscsi_conn *,
|
|
struct iscsi_tm_rsp *);
|
|
extern int iscsit_build_text_rsp(struct iscsi_cmd *, struct iscsi_conn *,
|
|
struct iscsi_text_rsp *,
|
|
enum iscsit_transport_type);
|
|
extern void iscsit_build_reject(struct iscsi_cmd *, struct iscsi_conn *,
|
|
struct iscsi_reject *);
|
|
extern int iscsit_build_logout_rsp(struct iscsi_cmd *, struct iscsi_conn *,
|
|
struct iscsi_logout_rsp *);
|
|
extern int iscsit_logout_post_handler(struct iscsi_cmd *, struct iscsi_conn *);
|
|
extern int iscsit_queue_rsp(struct iscsi_conn *, struct iscsi_cmd *);
|
|
extern void iscsit_aborted_task(struct iscsi_conn *, struct iscsi_cmd *);
|
|
extern int iscsit_add_reject(struct iscsi_conn *, u8, unsigned char *);
|
|
extern int iscsit_reject_cmd(struct iscsi_cmd *, u8, unsigned char *);
|
|
extern int iscsit_handle_snack(struct iscsi_conn *, unsigned char *);
|
|
extern void iscsit_build_datain_pdu(struct iscsi_cmd *, struct iscsi_conn *,
|
|
struct iscsi_datain *,
|
|
struct iscsi_data_rsp *, bool);
|
|
extern int iscsit_build_r2ts_for_cmd(struct iscsi_conn *, struct iscsi_cmd *,
|
|
bool);
|
|
extern int iscsit_immediate_queue(struct iscsi_conn *, struct iscsi_cmd *, int);
|
|
extern int iscsit_response_queue(struct iscsi_conn *, struct iscsi_cmd *, int);
|
|
/*
|
|
* From iscsi_target_device.c
|
|
*/
|
|
extern void iscsit_increment_maxcmdsn(struct iscsi_cmd *, struct iscsi_session *);
|
|
/*
|
|
* From iscsi_target_erl0.c
|
|
*/
|
|
extern void iscsit_cause_connection_reinstatement(struct iscsi_conn *, int);
|
|
/*
|
|
* From iscsi_target_erl1.c
|
|
*/
|
|
extern void iscsit_stop_dataout_timer(struct iscsi_cmd *);
|
|
|
|
/*
|
|
* From iscsi_target_tmr.c
|
|
*/
|
|
extern int iscsit_tmr_post_handler(struct iscsi_cmd *, struct iscsi_conn *);
|
|
|
|
/*
|
|
* From iscsi_target_util.c
|
|
*/
|
|
extern struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *, int);
|
|
extern int iscsit_sequence_cmd(struct iscsi_conn *, struct iscsi_cmd *,
|
|
unsigned char *, __be32);
|
|
extern void iscsit_release_cmd(struct iscsi_cmd *);
|
|
extern void iscsit_free_cmd(struct iscsi_cmd *, bool);
|
|
extern void iscsit_add_cmd_to_immediate_queue(struct iscsi_cmd *,
|
|
struct iscsi_conn *, u8);
|
|
|
|
/*
|
|
* From iscsi_target_nego.c
|
|
*/
|
|
extern int iscsi_target_check_login_request(struct iscsi_conn *,
|
|
struct iscsi_login *);
|
|
|
|
/*
|
|
* From iscsi_target_login.c
|
|
*/
|
|
extern __printf(2, 3) int iscsi_change_param_sprintf(
|
|
struct iscsi_conn *, const char *, ...);
|
|
|
|
/*
|
|
* From iscsi_target_parameters.c
|
|
*/
|
|
extern struct iscsi_param *iscsi_find_param_from_key(
|
|
char *, struct iscsi_param_list *);
|