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