diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/wait.h | 20 | ||||
| -rw-r--r-- | include/target/iscsi/iscsi_target_core.h | 6 | ||||
| -rw-r--r-- | include/target/iscsi/iscsi_target_stat.h | 4 | ||||
| -rw-r--r-- | include/target/target_core_base.h | 1 | ||||
| -rw-r--r-- | include/uapi/scsi/scsi_bsg_ufs.h | 106 |
5 files changed, 126 insertions, 11 deletions
diff --git a/include/linux/wait.h b/include/linux/wait.h index d9f131ecf708..ed7c122cb31f 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -1052,10 +1052,9 @@ do { \ __ret; \ }) -#define __wait_event_interruptible_lock_irq_timeout(wq_head, condition, \ - lock, timeout) \ +#define __wait_event_lock_irq_timeout(wq_head, condition, lock, timeout, state) \ ___wait_event(wq_head, ___wait_cond_timeout(condition), \ - TASK_INTERRUPTIBLE, 0, timeout, \ + state, 0, timeout, \ spin_unlock_irq(&lock); \ __ret = schedule_timeout(__ret); \ spin_lock_irq(&lock)); @@ -1089,8 +1088,19 @@ do { \ ({ \ long __ret = timeout; \ if (!___wait_cond_timeout(condition)) \ - __ret = __wait_event_interruptible_lock_irq_timeout( \ - wq_head, condition, lock, timeout); \ + __ret = __wait_event_lock_irq_timeout( \ + wq_head, condition, lock, timeout, \ + TASK_INTERRUPTIBLE); \ + __ret; \ +}) + +#define wait_event_lock_irq_timeout(wq_head, condition, lock, timeout) \ +({ \ + long __ret = timeout; \ + if (!___wait_cond_timeout(condition)) \ + __ret = __wait_event_lock_irq_timeout( \ + wq_head, condition, lock, timeout, \ + TASK_UNINTERRUPTIBLE); \ __ret; \ }) diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h index f2e6abea8490..24c398f4a68f 100644 --- a/include/target/iscsi/iscsi_target_core.h +++ b/include/target/iscsi/iscsi_target_core.h @@ -25,6 +25,7 @@ struct sock; #define ISCSIT_TCP_BACKLOG 256 #define ISCSI_RX_THREAD_NAME "iscsi_trx" #define ISCSI_TX_THREAD_NAME "iscsi_ttx" +#define ISCSI_IQN_LEN 224 /* struct iscsi_node_attrib sanity values */ #define NA_DATAOUT_TIMEOUT 3 @@ -270,9 +271,9 @@ struct iscsi_conn_ops { }; struct iscsi_sess_ops { - char InitiatorName[224]; + char InitiatorName[ISCSI_IQN_LEN]; char InitiatorAlias[256]; - char TargetName[224]; + char TargetName[ISCSI_IQN_LEN]; char TargetAlias[256]; char TargetAddress[256]; u16 TargetPortalGroupTag; /* [0..65535] */ @@ -855,7 +856,6 @@ struct iscsi_wwn_stat_grps { }; struct iscsi_tiqn { -#define ISCSI_IQN_LEN 224 unsigned char tiqn[ISCSI_IQN_LEN]; enum tiqn_state_table tiqn_state; int tiqn_access_count; diff --git a/include/target/iscsi/iscsi_target_stat.h b/include/target/iscsi/iscsi_target_stat.h index 4d75a2c426ca..ff6a47209313 100644 --- a/include/target/iscsi/iscsi_target_stat.h +++ b/include/target/iscsi/iscsi_target_stat.h @@ -33,7 +33,7 @@ struct iscsi_sess_err_stats { u32 cxn_timeout_errors; u32 pdu_format_errors; u32 last_sess_failure_type; - char last_sess_fail_rem_name[224]; + char last_sess_fail_rem_name[ISCSI_IQN_LEN]; } ____cacheline_aligned; /* iSCSI login failure types (sub oids) */ @@ -56,7 +56,7 @@ struct iscsi_login_stats { u32 last_fail_type; int last_intr_fail_ip_family; struct sockaddr_storage last_intr_fail_sockaddr; - char last_intr_fail_name[224]; + char last_intr_fail_name[ISCSI_IQN_LEN]; } ____cacheline_aligned; /* iSCSI logout stats */ diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 7a4ee7852ca4..e3bdb0550a59 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -138,7 +138,6 @@ enum se_cmd_flags_table { SCF_ALUA_NON_OPTIMIZED = 0x00008000, SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC = 0x00020000, SCF_COMPARE_AND_WRITE = 0x00080000, - SCF_COMPARE_AND_WRITE_POST = 0x00100000, SCF_PASSTHROUGH_PROT_SG_TO_MEM_NOALLOC = 0x00200000, SCF_ACK_KREF = 0x00400000, SCF_USE_CPUID = 0x00800000, diff --git a/include/uapi/scsi/scsi_bsg_ufs.h b/include/uapi/scsi/scsi_bsg_ufs.h new file mode 100644 index 000000000000..17c7abd0803a --- /dev/null +++ b/include/uapi/scsi/scsi_bsg_ufs.h @@ -0,0 +1,106 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * UFS Transport SGIO v4 BSG Message Support + * + * Copyright (C) 2011-2013 Samsung India Software Operations + * Copyright (C) 2018 Western Digital Corporation + */ +#ifndef SCSI_BSG_UFS_H +#define SCSI_BSG_UFS_H + +#include <linux/types.h> +/* + * This file intended to be included by both kernel and user space + */ + +#define UFS_CDB_SIZE 16 +#define UPIU_TRANSACTION_UIC_CMD 0x1F +/* uic commands are 4DW long, per UFSHCI V2.1 paragraph 5.6.1 */ +#define UIC_CMD_SIZE (sizeof(__u32) * 4) + +/** + * struct utp_upiu_header - UPIU header structure + * @dword_0: UPIU header DW-0 + * @dword_1: UPIU header DW-1 + * @dword_2: UPIU header DW-2 + */ +struct utp_upiu_header { + __be32 dword_0; + __be32 dword_1; + __be32 dword_2; +}; + +/** + * struct utp_upiu_query - upiu request buffer structure for + * query request. + * @opcode: command to perform B-0 + * @idn: a value that indicates the particular type of data B-1 + * @index: Index to further identify data B-2 + * @selector: Index to further identify data B-3 + * @reserved_osf: spec reserved field B-4,5 + * @length: number of descriptor bytes to read/write B-6,7 + * @value: Attribute value to be written DW-5 + * @reserved: spec reserved DW-6,7 + */ +struct utp_upiu_query { + __u8 opcode; + __u8 idn; + __u8 index; + __u8 selector; + __be16 reserved_osf; + __be16 length; + __be32 value; + __be32 reserved[2]; +}; + +/** + * struct utp_upiu_cmd - Command UPIU structure + * @data_transfer_len: Data Transfer Length DW-3 + * @cdb: Command Descriptor Block CDB DW-4 to DW-7 + */ +struct utp_upiu_cmd { + __be32 exp_data_transfer_len; + __u8 cdb[UFS_CDB_SIZE]; +}; + +/** + * struct utp_upiu_req - general upiu request structure + * @header:UPIU header structure DW-0 to DW-2 + * @sc: fields structure for scsi command DW-3 to DW-7 + * @qr: fields structure for query request DW-3 to DW-7 + */ +struct utp_upiu_req { + struct utp_upiu_header header; + union { + struct utp_upiu_cmd sc; + struct utp_upiu_query qr; + struct utp_upiu_query tr; + /* use utp_upiu_query to host the 4 dwords of uic command */ + struct utp_upiu_query uc; + }; +}; + +/* request (CDB) structure of the sg_io_v4 */ +struct ufs_bsg_request { + __u32 msgcode; + struct utp_upiu_req upiu_req; +}; + +/* response (request sense data) structure of the sg_io_v4 */ +struct ufs_bsg_reply { + /* + * The completion result. Result exists in two forms: + * if negative, it is an -Exxx system errno value. There will + * be no further reply information supplied. + * else, it's the 4-byte scsi error result, with driver, host, + * msg and status fields. The per-msgcode reply structure + * will contain valid data. + */ + __u32 result; + + /* If there was reply_payload, how much was received? */ + __u32 reply_payload_rcv_len; + + struct utp_upiu_req upiu_rsp; +}; +#endif /* UFS_BSG_H */ |