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/****************************************************************************
****************************************************************************
***
*** This header was automatically generated from a Linux kernel header
*** of the same name, to make information necessary for userspace to
*** call into the kernel available to libc. It contains only constants,
*** structures, and macros generated from the original header, and thus,
*** contains no copyrightable information.
***
*** To edit the content of this header, modify the corresponding
*** source file (e.g. under external/kernel-headers/original/) then
*** run bionic/libc/kernel/tools/update_all.py
***
*** Any manual change here will be lost the next time this script will
*** be run. You've been warned!
***
****************************************************************************
****************************************************************************/
#ifndef __TARGET_CORE_USER_H
#define __TARGET_CORE_USER_H
#include <linux/types.h>
#include <linux/uio.h>
#define TCMU_VERSION "2.0"
#define TCMU_MAILBOX_VERSION 2
#define ALIGN_SIZE 64
#define TCMU_MAILBOX_FLAG_CAP_OOOC (1 << 0)
#define TCMU_MAILBOX_FLAG_CAP_READ_LEN (1 << 1)
#define TCMU_MAILBOX_FLAG_CAP_TMR (1 << 2)
struct tcmu_mailbox {
__u16 version;
__u16 flags;
__u32 cmdr_off;
__u32 cmdr_size;
__u32 cmd_head;
__u32 cmd_tail __attribute__((__aligned__(ALIGN_SIZE)));
} __packed;
enum tcmu_opcode {
TCMU_OP_PAD = 0,
TCMU_OP_CMD,
TCMU_OP_TMR,
};
struct tcmu_cmd_entry_hdr {
__u32 len_op;
__u16 cmd_id;
__u8 kflags;
#define TCMU_UFLAG_UNKNOWN_OP 0x1
#define TCMU_UFLAG_READ_LEN 0x2
__u8 uflags;
} __packed;
#define TCMU_OP_MASK 0x7
#define TCMU_SENSE_BUFFERSIZE 96
struct tcmu_cmd_entry {
struct tcmu_cmd_entry_hdr hdr;
union {
struct {
__u32 iov_cnt;
__u32 iov_bidi_cnt;
__u32 iov_dif_cnt;
__u64 cdb_off;
__u64 __pad1;
__u64 __pad2;
struct iovec iov[0];
} req;
struct {
__u8 scsi_status;
__u8 __pad1;
__u16 __pad2;
__u32 read_len;
char sense_buffer[TCMU_SENSE_BUFFERSIZE];
} rsp;
};
} __packed;
struct tcmu_tmr_entry {
struct tcmu_cmd_entry_hdr hdr;
#define TCMU_TMR_UNKNOWN 0
#define TCMU_TMR_ABORT_TASK 1
#define TCMU_TMR_ABORT_TASK_SET 2
#define TCMU_TMR_CLEAR_ACA 3
#define TCMU_TMR_CLEAR_TASK_SET 4
#define TCMU_TMR_LUN_RESET 5
#define TCMU_TMR_TARGET_WARM_RESET 6
#define TCMU_TMR_TARGET_COLD_RESET 7
#define TCMU_TMR_LUN_RESET_PRO 128
__u8 tmr_type;
__u8 __pad1;
__u16 __pad2;
__u32 cmd_cnt;
__u64 __pad3;
__u64 __pad4;
__u16 cmd_ids[0];
} __packed;
#define TCMU_OP_ALIGN_SIZE sizeof(__u64)
enum tcmu_genl_cmd {
TCMU_CMD_UNSPEC,
TCMU_CMD_ADDED_DEVICE,
TCMU_CMD_REMOVED_DEVICE,
TCMU_CMD_RECONFIG_DEVICE,
TCMU_CMD_ADDED_DEVICE_DONE,
TCMU_CMD_REMOVED_DEVICE_DONE,
TCMU_CMD_RECONFIG_DEVICE_DONE,
TCMU_CMD_SET_FEATURES,
__TCMU_CMD_MAX,
};
#define TCMU_CMD_MAX (__TCMU_CMD_MAX - 1)
enum tcmu_genl_attr {
TCMU_ATTR_UNSPEC,
TCMU_ATTR_DEVICE,
TCMU_ATTR_MINOR,
TCMU_ATTR_PAD,
TCMU_ATTR_DEV_CFG,
TCMU_ATTR_DEV_SIZE,
TCMU_ATTR_WRITECACHE,
TCMU_ATTR_CMD_STATUS,
TCMU_ATTR_DEVICE_ID,
TCMU_ATTR_SUPP_KERN_CMD_REPLY,
__TCMU_ATTR_MAX,
};
#define TCMU_ATTR_MAX (__TCMU_ATTR_MAX - 1)
#endif
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