Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 153 insertions, 0 deletions

diff --git a/include/target/iscsi/iscsi_transport.h b/include/target/iscsi/iscsi_transport.h
new file mode 100644
index 000000000..b8feba7ff
--- /dev/null
+++ b/include/target/iscsi/iscsi_transport.h
@@ -0,0 +1,153 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include "iscsi_target_core.h" /* struct iscsi_cmd */
+
+struct sockaddr_storage;
+
+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_unmap_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 void 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_unsolicited_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 *, void *,
+			   struct iscsi_cmd *, u32, bool *);
+extern int
+iscsit_check_dataout_hdr(struct iscsi_conn *conn, void *buf,
+			 struct iscsi_cmd **out_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);
+extern struct iscsi_cmd *
+iscsit_find_cmd_from_itt_or_dump(struct iscsi_conn *conn,
+				 itt_t init_task_tag, u32 length);
+
+/*
+ * 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 *);