136 lines
2.8 KiB
C
136 lines
2.8 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#ifndef __TARGET_USB_GADGET_H__
|
||
|
|
#define __TARGET_USB_GADGET_H__
|
||
|
|
|
||
|
|
#include <linux/kref.h>
|
||
|
|
/* #include <linux/usb/uas.h> */
|
||
|
|
#include <linux/usb/composite.h>
|
||
|
|
#include <linux/usb/uas.h>
|
||
|
|
#include <linux/usb/storage.h>
|
||
|
|
#include <target/target_core_base.h>
|
||
|
|
#include <target/target_core_fabric.h>
|
||
|
|
|
||
|
|
#define USBG_NAMELEN 32
|
||
|
|
|
||
|
|
#define fuas_to_gadget(f) (f->function.config->cdev->gadget)
|
||
|
|
#define UASP_SS_EP_COMP_LOG_STREAMS 4
|
||
|
|
#define UASP_SS_EP_COMP_NUM_STREAMS (1 << UASP_SS_EP_COMP_LOG_STREAMS)
|
||
|
|
|
||
|
|
enum {
|
||
|
|
USB_G_STR_INT_UAS = 0,
|
||
|
|
USB_G_STR_INT_BBB,
|
||
|
|
};
|
||
|
|
|
||
|
|
#define USB_G_ALT_INT_BBB 0
|
||
|
|
#define USB_G_ALT_INT_UAS 1
|
||
|
|
|
||
|
|
#define USB_G_DEFAULT_SESSION_TAGS 128
|
||
|
|
|
||
|
|
struct tcm_usbg_nexus {
|
||
|
|
struct se_session *tvn_se_sess;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct usbg_tpg {
|
||
|
|
struct mutex tpg_mutex;
|
||
|
|
/* SAS port target portal group tag for TCM */
|
||
|
|
u16 tport_tpgt;
|
||
|
|
/* Pointer back to usbg_tport */
|
||
|
|
struct usbg_tport *tport;
|
||
|
|
struct workqueue_struct *workqueue;
|
||
|
|
/* Returned by usbg_make_tpg() */
|
||
|
|
struct se_portal_group se_tpg;
|
||
|
|
u32 gadget_connect;
|
||
|
|
struct tcm_usbg_nexus *tpg_nexus;
|
||
|
|
atomic_t tpg_port_count;
|
||
|
|
|
||
|
|
struct usb_function_instance *fi;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct usbg_tport {
|
||
|
|
/* Binary World Wide unique Port Name for SAS Target port */
|
||
|
|
u64 tport_wwpn;
|
||
|
|
/* ASCII formatted WWPN for SAS Target port */
|
||
|
|
char tport_name[USBG_NAMELEN];
|
||
|
|
/* Returned by usbg_make_tport() */
|
||
|
|
struct se_wwn tport_wwn;
|
||
|
|
};
|
||
|
|
|
||
|
|
enum uas_state {
|
||
|
|
UASP_SEND_DATA,
|
||
|
|
UASP_RECEIVE_DATA,
|
||
|
|
UASP_SEND_STATUS,
|
||
|
|
UASP_QUEUE_COMMAND,
|
||
|
|
};
|
||
|
|
|
||
|
|
#define USBG_MAX_CMD 64
|
||
|
|
struct usbg_cmd {
|
||
|
|
/* common */
|
||
|
|
u8 cmd_buf[USBG_MAX_CMD];
|
||
|
|
u32 data_len;
|
||
|
|
struct work_struct work;
|
||
|
|
int unpacked_lun;
|
||
|
|
struct se_cmd se_cmd;
|
||
|
|
void *data_buf; /* used if no sg support available */
|
||
|
|
struct f_uas *fu;
|
||
|
|
struct completion write_complete;
|
||
|
|
struct kref ref;
|
||
|
|
|
||
|
|
/* UAS only */
|
||
|
|
u16 tag;
|
||
|
|
u16 prio_attr;
|
||
|
|
struct sense_iu sense_iu;
|
||
|
|
enum uas_state state;
|
||
|
|
struct uas_stream *stream;
|
||
|
|
|
||
|
|
/* BOT only */
|
||
|
|
__le32 bot_tag;
|
||
|
|
unsigned int csw_code;
|
||
|
|
unsigned is_read:1;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
struct uas_stream {
|
||
|
|
struct usb_request *req_in;
|
||
|
|
struct usb_request *req_out;
|
||
|
|
struct usb_request *req_status;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct usbg_cdb {
|
||
|
|
struct usb_request *req;
|
||
|
|
void *buf;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct bot_status {
|
||
|
|
struct usb_request *req;
|
||
|
|
struct bulk_cs_wrap csw;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct f_uas {
|
||
|
|
struct usbg_tpg *tpg;
|
||
|
|
struct usb_function function;
|
||
|
|
u16 iface;
|
||
|
|
|
||
|
|
u32 flags;
|
||
|
|
#define USBG_ENABLED (1 << 0)
|
||
|
|
#define USBG_IS_UAS (1 << 1)
|
||
|
|
#define USBG_USE_STREAMS (1 << 2)
|
||
|
|
#define USBG_IS_BOT (1 << 3)
|
||
|
|
#define USBG_BOT_CMD_PEND (1 << 4)
|
||
|
|
|
||
|
|
struct usbg_cdb cmd;
|
||
|
|
struct usb_ep *ep_in;
|
||
|
|
struct usb_ep *ep_out;
|
||
|
|
|
||
|
|
/* UAS */
|
||
|
|
struct usb_ep *ep_status;
|
||
|
|
struct usb_ep *ep_cmd;
|
||
|
|
struct uas_stream stream[UASP_SS_EP_COMP_NUM_STREAMS];
|
||
|
|
|
||
|
|
/* BOT */
|
||
|
|
struct bot_status bot_status;
|
||
|
|
struct usb_request *bot_req_in;
|
||
|
|
struct usb_request *bot_req_out;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* __TARGET_USB_GADGET_H__ */
|