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target: header reshuffle, part2

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This reorganized the headers under include/target into:

 - target_core_base.h stays as is with all target-wide data stuctures and defines
 - target_core_backend.h contains the whole interface to I/O backends
 - target_core_fabric.h contains the whole interface to fabric modules

Except for those only the various configfs macro headers stay around.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Christoph Hellwig 2011-11-16 09:46:48 -05:00 • committed by Nicholas Bellinger
parent e26d99aed4
commit c4795fb20e
44 changed files with 288 additions and 462 deletions
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65
include/target/target_core_backend.h Normal file
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#ifndef TARGET_CORE_BACKEND_H
#define TARGET_CORE_BACKEND_H
#define TRANSPORT_PLUGIN_PHBA_PDEV 1
#define TRANSPORT_PLUGIN_VHBA_PDEV 2
#define TRANSPORT_PLUGIN_VHBA_VDEV 3
struct se_subsystem_api {
struct list_head sub_api_list;
char name[16];
struct module *owner;
u8 transport_type;
unsigned int fua_write_emulated : 1;
unsigned int write_cache_emulated : 1;
int (*attach_hba)(struct se_hba *, u32);
void (*detach_hba)(struct se_hba *);
int (*pmode_enable_hba)(struct se_hba *, unsigned long);
void *(*allocate_virtdevice)(struct se_hba *, const char *);
struct se_device *(*create_virtdevice)(struct se_hba *,
struct se_subsystem_dev *, void *);
void (*free_device)(void *);
int (*transport_complete)(struct se_task *task);
struct se_task *(*alloc_task)(unsigned char *cdb);
int (*do_task)(struct se_task *);
int (*do_discard)(struct se_device *, sector_t, u32);
void (*do_sync_cache)(struct se_task *);
void (*free_task)(struct se_task *);
ssize_t (*check_configfs_dev_params)(struct se_hba *,
struct se_subsystem_dev *);
ssize_t (*set_configfs_dev_params)(struct se_hba *,
struct se_subsystem_dev *, const char *, ssize_t);
ssize_t (*show_configfs_dev_params)(struct se_hba *,
struct se_subsystem_dev *, char *);
u32 (*get_device_rev)(struct se_device *);
u32 (*get_device_type)(struct se_device *);
sector_t (*get_blocks)(struct se_device *);
unsigned char *(*get_sense_buffer)(struct se_task *);
};
int transport_subsystem_register(struct se_subsystem_api *);
void transport_subsystem_release(struct se_subsystem_api *);
struct se_device *transport_add_device_to_core_hba(struct se_hba *,
struct se_subsystem_api *, struct se_subsystem_dev *, u32,
void *, struct se_dev_limits *, const char *, const char *);
void transport_complete_sync_cache(struct se_cmd *, int);
void transport_complete_task(struct se_task *, int);
void target_get_task_cdb(struct se_task *, unsigned char *);
void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *);
int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *);
int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *);
int transport_set_vpd_ident(struct t10_vpd *, unsigned char *);
/* core helpers also used by command snooping in pscsi */
void *transport_kmap_first_data_page(struct se_cmd *);
void transport_kunmap_first_data_page(struct se_cmd *);
#endif /* TARGET_CORE_BACKEND_H */