1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __TARGET_USB_GADGET_H__
3 #define __TARGET_USB_GADGET_H__
5 #include <linux/kref.h>
6 /* #include <linux/usb/uas.h> */
7 #include <linux/usb/composite.h>
8 #include <linux/usb/uas.h>
9 #include <linux/usb/storage.h>
10 #include <target/target_core_base.h>
11 #include <target/target_core_fabric.h>
13 #define USBG_NAMELEN 32
15 #define fuas_to_gadget(f) (f->function.config->cdev->gadget)
16 #define UASP_SS_EP_COMP_LOG_STREAMS 4
17 #define UASP_SS_EP_COMP_NUM_STREAMS (1 << UASP_SS_EP_COMP_LOG_STREAMS)
20 USB_G_STR_INT_UAS = 0,
24 #define USB_G_ALT_INT_BBB 0
25 #define USB_G_ALT_INT_UAS 1
27 #define USB_G_DEFAULT_SESSION_TAGS 128
29 struct tcm_usbg_nexus {
30 struct se_session *tvn_se_sess;
34 struct mutex tpg_mutex;
35 /* SAS port target portal group tag for TCM */
37 /* Pointer back to usbg_tport */
38 struct usbg_tport *tport;
39 struct workqueue_struct *workqueue;
40 /* Returned by usbg_make_tpg() */
41 struct se_portal_group se_tpg;
43 struct tcm_usbg_nexus *tpg_nexus;
44 atomic_t tpg_port_count;
46 struct usb_function_instance *fi;
50 /* Binary World Wide unique Port Name for SAS Target port */
52 /* ASCII formatted WWPN for SAS Target port */
53 char tport_name[USBG_NAMELEN];
54 /* Returned by usbg_make_tport() */
55 struct se_wwn tport_wwn;
65 #define USBG_MAX_CMD 64
68 u8 cmd_buf[USBG_MAX_CMD];
70 struct work_struct work;
73 void *data_buf; /* used if no sg support available */
75 struct completion write_complete;
81 struct sense_iu sense_iu;
83 struct uas_stream *stream;
87 unsigned int csw_code;
93 struct usb_request *req_in;
94 struct usb_request *req_out;
95 struct usb_request *req_status;
99 struct usb_request *req;
104 struct usb_request *req;
105 struct bulk_cs_wrap csw;
109 struct usbg_tpg *tpg;
110 struct usb_function function;
114 #define USBG_ENABLED (1 << 0)
115 #define USBG_IS_UAS (1 << 1)
116 #define USBG_USE_STREAMS (1 << 2)
117 #define USBG_IS_BOT (1 << 3)
118 #define USBG_BOT_CMD_PEND (1 << 4)
121 struct usb_ep *ep_in;
122 struct usb_ep *ep_out;
125 struct usb_ep *ep_status;
126 struct usb_ep *ep_cmd;
127 struct uas_stream stream[UASP_SS_EP_COMP_NUM_STREAMS];
130 struct bot_status bot_status;
131 struct usb_request *bot_req_in;
132 struct usb_request *bot_req_out;
135 #endif /* __TARGET_USB_GADGET_H__ */