diff options
Diffstat (limited to 'include/scsi')
| -rw-r--r-- | include/scsi/fc/fc_fip.h | 21 | ||||
| -rw-r--r-- | include/scsi/libfc.h | 1 | ||||
| -rw-r--r-- | include/scsi/libfcoe.h | 25 | ||||
| -rw-r--r-- | include/scsi/scsi.h | 19 | ||||
| -rw-r--r-- | include/scsi/scsi_common.h | 1 | ||||
| -rw-r--r-- | include/scsi/scsi_device.h | 36 | ||||
| -rw-r--r-- | include/scsi/scsi_eh.h | 1 | ||||
| -rw-r--r-- | include/scsi/scsi_host.h | 8 | ||||
| -rw-r--r-- | include/scsi/scsi_proto.h | 9 | ||||
| -rw-r--r-- | include/scsi/viosrp.h | 220 |
10 files changed, 302 insertions, 39 deletions
diff --git a/include/scsi/fc/fc_fip.h b/include/scsi/fc/fc_fip.h index ae25d4ab2548..9710254fd98c 100644 --- a/include/scsi/fc/fc_fip.h +++ b/include/scsi/fc/fc_fip.h @@ -22,7 +22,7 @@ /* * This version is based on: * http://www.t11.org/ftp/t11/pub/fc/bb-5/08-543v1.pdf - * and T11 FC-BB-6 10-019v4.pdf (June 2010 VN2VN proposal) + * and T11 FC-BB-6 13-091v5.pdf (December 2013 VN2VN proposal) */ #define FIP_DEF_PRI 128 /* default selection priority */ @@ -109,8 +109,9 @@ enum fip_reset_subcode { * Subcodes for FIP_OP_VLAN. */ enum fip_vlan_subcode { - FIP_SC_VL_REQ = 1, /* request */ - FIP_SC_VL_REP = 2, /* reply */ + FIP_SC_VL_REQ = 1, /* vlan request */ + FIP_SC_VL_NOTE = 2, /* vlan notification */ + FIP_SC_VL_VN2VN_NOTE = 3, /* VN2VN vlan notification */ }; /* @@ -130,6 +131,8 @@ enum fip_vn2vn_subcode { enum fip_flag { FIP_FL_FPMA = 0x8000, /* supports FPMA fabric-provided MACs */ FIP_FL_SPMA = 0x4000, /* supports SPMA server-provided MACs */ + FIP_FL_FCF = 0x0020, /* originated from a controlling FCF */ + FIP_FL_FDF = 0x0010, /* originated from an FDF */ FIP_FL_REC_OR_P2P = 0x0008, /* configured addr or point-to-point */ FIP_FL_AVAIL = 0x0004, /* available for FLOGI/ELP */ FIP_FL_SOL = 0x0002, /* this is a solicited message */ @@ -161,7 +164,9 @@ enum fip_desc_type { FIP_DT_VLAN = 14, /* vlan number */ FIP_DT_FC4F = 15, /* FC-4 features */ FIP_DT_LIMIT, /* max defined desc_type + 1 */ - FIP_DT_VENDOR_BASE = 128, /* first vendor-specific desc_type */ + FIP_DT_NON_CRITICAL = 128, /* First non-critical descriptor */ + FIP_DT_CLR_VLINKS = 128, /* Clear virtual links reason code */ + FIP_DT_VENDOR_BASE = 241, /* first vendor-specific desc_type */ }; /* @@ -259,6 +264,14 @@ enum fip_fka_flags { /* FIP_DT_FKA flags */ /* + * FIP_DT_VLAN descriptor + */ +struct fip_vlan_desc { + struct fip_desc fd_desc; + __be16 fd_vlan; /* Note: highest 4 bytes are unused */ +} __attribute__((packed)); + +/* * FIP_DT_FC4F - FC-4 features. */ struct fip_fc4_feat { diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index 93d14daf0994..7428a53257ca 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -878,6 +878,7 @@ struct fc_lport { struct libfc_function_template tt; u8 link_up; u8 qfull; + u16 vlan; enum fc_lport_state state; unsigned long boot_time; struct fc_host_statistics host_stats; diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h index de7e3ee60f0c..722d3264d3bf 100644 --- a/include/scsi/libfcoe.h +++ b/include/scsi/libfcoe.h @@ -78,10 +78,12 @@ enum fip_state { * The mode is the state that is to be entered after link up. * It must not change after fcoe_ctlr_init() sets it. */ -#define FIP_MODE_AUTO FIP_ST_AUTO -#define FIP_MODE_NON_FIP FIP_ST_NON_FIP -#define FIP_MODE_FABRIC FIP_ST_ENABLED -#define FIP_MODE_VN2VN FIP_ST_VNMP_START +enum fip_mode { + FIP_MODE_AUTO = FIP_ST_AUTO, + FIP_MODE_NON_FIP, + FIP_MODE_FABRIC, + FIP_MODE_VN2VN, +}; /** * struct fcoe_ctlr - FCoE Controller and FIP state @@ -108,8 +110,10 @@ enum fip_state { * @flogi_req_send: send of FLOGI requested * @flogi_count: number of FLOGI attempts in AUTO mode. * @map_dest: use the FC_MAP mode for destination MAC addresses. + * @fip_resp: start FIP VLAN discovery responder * @spma: supports SPMA server-provided MACs mode * @probe_tries: number of FC_IDs probed + * @priority: DCBx FCoE APP priority * @dest_addr: MAC address of the selected FC forwarder. * @ctl_src_addr: the native MAC address of our local port. * @send: LLD-supplied function to handle sending FIP Ethernet frames @@ -124,7 +128,7 @@ enum fip_state { */ struct fcoe_ctlr { enum fip_state state; - enum fip_state mode; + enum fip_mode mode; struct fc_lport *lp; struct fcoe_fcf *sel_fcf; struct list_head fcfs; @@ -147,7 +151,8 @@ struct fcoe_ctlr { u16 flogi_oxid; u8 flogi_req_send; u8 flogi_count; - u8 map_dest; + bool map_dest; + bool fip_resp; u8 spma; u8 probe_tries; u8 priority; @@ -311,7 +316,7 @@ struct fcoe_transport { struct list_head list; bool (*match) (struct net_device *device); int (*alloc) (struct net_device *device); - int (*create) (struct net_device *device, enum fip_state fip_mode); + int (*create) (struct net_device *device, enum fip_mode fip_mode); int (*destroy) (struct net_device *device); int (*enable) (struct net_device *device); int (*disable) (struct net_device *device); @@ -319,14 +324,16 @@ struct fcoe_transport { /** * struct fcoe_percpu_s - The context for FCoE receive thread(s) - * @thread: The thread context + * @kthread: The thread context (used by bnx2fc) + * @work: The work item (used by fcoe) * @fcoe_rx_list: The queue of pending packets to process * @page: The memory page for calculating frame trailer CRCs * @crc_eof_offset: The offset into the CRC page pointing to available * memory for a new trailer */ struct fcoe_percpu_s { - struct task_struct *thread; + struct task_struct *kthread; + struct work_struct work; struct sk_buff_head fcoe_rx_list; struct page *crc_eof_page; int crc_eof_offset; diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h index e0a3398b1547..8ec7c30e35af 100644 --- a/include/scsi/scsi.h +++ b/include/scsi/scsi.h @@ -18,25 +18,6 @@ enum scsi_timeouts { }; /* - * The maximum number of SG segments that we will put inside a - * scatterlist (unless chaining is used). Should ideally fit inside a - * single page, to avoid a higher order allocation. We could define this - * to SG_MAX_SINGLE_ALLOC to pack correctly at the highest order. The - * minimum value is 32 - */ -#define SCSI_MAX_SG_SEGMENTS 128 - -/* - * Like SCSI_MAX_SG_SEGMENTS, but for archs that have sg chaining. This limit - * is totally arbitrary, a setting of 2048 will get you at least 8mb ios. - */ -#ifdef CONFIG_ARCH_HAS_SG_CHAIN -#define SCSI_MAX_SG_CHAIN_SEGMENTS 2048 -#else -#define SCSI_MAX_SG_CHAIN_SEGMENTS SCSI_MAX_SG_SEGMENTS -#endif - -/* * DIX-capable adapters effectively support infinite chaining for the * protection information scatterlist */ diff --git a/include/scsi/scsi_common.h b/include/scsi/scsi_common.h index 11571b2a831e..20bf7eaef05a 100644 --- a/include/scsi/scsi_common.h +++ b/include/scsi/scsi_common.h @@ -63,6 +63,7 @@ extern bool scsi_normalize_sense(const u8 *sense_buffer, int sb_len, extern void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq); int scsi_set_sense_information(u8 *buf, int buf_len, u64 info); +int scsi_set_sense_field_pointer(u8 *buf, int buf_len, u16 fp, u8 bp, bool cd); extern const u8 * scsi_sense_desc_find(const u8 * sense_buffer, int sb_len, int desc_type); diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index c067019ed12a..8a9563144890 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -50,6 +50,12 @@ enum scsi_device_state { SDEV_CREATED_BLOCK, /* same as above but for created devices */ }; +enum scsi_scan_mode { + SCSI_SCAN_INITIAL = 0, + SCSI_SCAN_RESCAN, + SCSI_SCAN_MANUAL, +}; + enum scsi_device_event { SDEV_EVT_MEDIA_CHANGE = 1, /* media has changed */ SDEV_EVT_INQUIRY_CHANGE_REPORTED, /* 3F 03 UA reported */ @@ -88,7 +94,6 @@ struct scsi_device { spinlock_t list_lock; struct list_head cmd_list; /* queue of in use SCSI Command structures */ struct list_head starved_entry; - struct scsi_cmnd *current_cmnd; /* currently active command */ unsigned short queue_depth; /* How deep of a queue we want */ unsigned short max_queue_depth; /* max queue depth */ unsigned short last_queue_full_depth; /* These two are used by */ @@ -242,6 +247,7 @@ scmd_printk(const char *, const struct scsi_cmnd *, const char *, ...); enum scsi_target_state { STARGET_CREATED = 1, STARGET_RUNNING, + STARGET_REMOVE, STARGET_DEL, }; @@ -391,7 +397,8 @@ extern void scsi_device_resume(struct scsi_device *sdev); extern void scsi_target_quiesce(struct scsi_target *); extern void scsi_target_resume(struct scsi_target *); extern void scsi_scan_target(struct device *parent, unsigned int channel, - unsigned int id, u64 lun, int rescan); + unsigned int id, u64 lun, + enum scsi_scan_mode rescan); extern void scsi_target_reap(struct scsi_target *); extern void scsi_target_block(struct device *); extern void scsi_target_unblock(struct device *, enum scsi_device_state); @@ -516,6 +523,31 @@ static inline int scsi_device_tpgs(struct scsi_device *sdev) return sdev->inquiry ? (sdev->inquiry[5] >> 4) & 0x3 : 0; } +/** + * scsi_device_supports_vpd - test if a device supports VPD pages + * @sdev: the &struct scsi_device to test + * + * If the 'try_vpd_pages' flag is set it takes precedence. + * Otherwise we will assume VPD pages are supported if the + * SCSI level is at least SPC-3 and 'skip_vpd_pages' is not set. + */ +static inline int scsi_device_supports_vpd(struct scsi_device *sdev) +{ + /* Attempt VPD inquiry if the device blacklist explicitly calls + * for it. + */ + if (sdev->try_vpd_pages) + return 1; + /* + * Although VPD inquiries can go to SCSI-2 type devices, + * some USB ones crash on receiving them, and the pages + * we currently ask for are mandatory for SPC-2 and beyond + */ + if (sdev->scsi_level >= SCSI_SPC_2 && !sdev->skip_vpd_pages) + return 1; + return 0; +} + #define MODULE_ALIAS_SCSI_DEVICE(type) \ MODULE_ALIAS("scsi:t-" __stringify(type) "*") #define SCSI_DEVICE_MODALIAS_FMT "scsi:t-0x%02x" diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h index dbb8c640e26f..98d366b55770 100644 --- a/include/scsi/scsi_eh.h +++ b/include/scsi/scsi_eh.h @@ -16,6 +16,7 @@ extern void scsi_report_device_reset(struct Scsi_Host *, int, int); extern int scsi_block_when_processing_errors(struct scsi_device *); extern bool scsi_command_normalize_sense(const struct scsi_cmnd *cmd, struct scsi_sense_hdr *sshdr); +extern int scsi_check_sense(struct scsi_cmnd *); static inline bool scsi_sense_is_deferred(const struct scsi_sense_hdr *sshdr) { diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index fcfa3d7f5e7e..0dee7afa93d6 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -37,7 +37,7 @@ struct blk_queue_tags; * used in one scatter-gather request. */ #define SG_NONE 0 -#define SG_ALL SCSI_MAX_SG_SEGMENTS +#define SG_ALL SG_CHUNK_SIZE #define MODE_UNKNOWN 0x00 #define MODE_INITIATOR 0x01 @@ -495,9 +495,6 @@ struct scsi_host_template { */ unsigned int cmd_size; struct scsi_host_cmd_pool *cmd_pool; - - /* temporary flag to disable blk-mq I/O path */ - bool disable_blk_mq; }; /* @@ -778,7 +775,8 @@ extern bool scsi_use_blk_mq; static inline bool shost_use_blk_mq(struct Scsi_Host *shost) { - return shost->use_blk_mq; + return scsi_use_blk_mq; + } extern int scsi_queue_work(struct Scsi_Host *, struct work_struct *); diff --git a/include/scsi/scsi_proto.h b/include/scsi/scsi_proto.h index c2ae21cbaa2c..d1defd1ebd95 100644 --- a/include/scsi/scsi_proto.h +++ b/include/scsi/scsi_proto.h @@ -115,6 +115,8 @@ #define VERIFY_16 0x8f #define SYNCHRONIZE_CACHE_16 0x91 #define WRITE_SAME_16 0x93 +#define ZBC_OUT 0x94 +#define ZBC_IN 0x95 #define SERVICE_ACTION_BIDIRECTIONAL 0x9d #define SERVICE_ACTION_IN_16 0x9e #define SERVICE_ACTION_OUT_16 0x9f @@ -143,6 +145,13 @@ #define MO_SET_PRIORITY 0x0e #define MO_SET_TIMESTAMP 0x0f #define MO_MANAGEMENT_PROTOCOL_OUT 0x10 +/* values for ZBC_IN */ +#define ZI_REPORT_ZONES 0x00 +/* values for ZBC_OUT */ +#define ZO_CLOSE_ZONE 0x01 +#define ZO_FINISH_ZONE 0x02 +#define ZO_OPEN_ZONE 0x03 +#define ZO_RESET_WRITE_POINTER 0x04 /* values for variable length command */ #define XDREAD_32 0x03 #define XDWRITE_32 0x04 diff --git a/include/scsi/viosrp.h b/include/scsi/viosrp.h new file mode 100644 index 000000000000..974e07bd8e59 --- /dev/null +++ b/include/scsi/viosrp.h @@ -0,0 +1,220 @@ +/*****************************************************************************/ +/* srp.h -- SCSI RDMA Protocol definitions */ +/* */ +/* Written By: Colin Devilbis, IBM Corporation */ +/* */ +/* Copyright (C) 2003 IBM Corporation */ +/* */ +/* This program is free software; you can redistribute it and/or modify */ +/* it under the terms of the GNU General Public License as published by */ +/* the Free Software Foundation; either version 2 of the License, or */ +/* (at your option) any later version. */ +/* */ +/* This program is distributed in the hope that it will be useful, */ +/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* GNU General Public License for more details. */ +/* */ +/* This file contains structures and definitions for IBM RPA (RS/6000 */ +/* platform architecture) implementation of the SRP (SCSI RDMA Protocol) */ +/* standard. SRP is used on IBM iSeries and pSeries platforms to send SCSI */ +/* commands between logical partitions. */ +/* */ +/* SRP Information Units (IUs) are sent on a "Command/Response Queue" (CRQ) */ +/* between partitions. The definitions in this file are architected, */ +/* and cannot be changed without breaking compatibility with other versions */ +/* of Linux and other operating systems (AIX, OS/400) that talk this protocol*/ +/* between logical partitions */ +/*****************************************************************************/ +#ifndef VIOSRP_H +#define VIOSRP_H +#include <scsi/srp.h> + +#define SRP_VERSION "16.a" +#define SRP_MAX_IU_LEN 256 +#define SRP_MAX_LOC_LEN 32 + +union srp_iu { + struct srp_login_req login_req; + struct srp_login_rsp login_rsp; + struct srp_login_rej login_rej; + struct srp_i_logout i_logout; + struct srp_t_logout t_logout; + struct srp_tsk_mgmt tsk_mgmt; + struct srp_cmd cmd; + struct srp_rsp rsp; + u8 reserved[SRP_MAX_IU_LEN]; +}; + +enum viosrp_crq_headers { + VIOSRP_CRQ_FREE = 0x00, + VIOSRP_CRQ_CMD_RSP = 0x80, + VIOSRP_CRQ_INIT_RSP = 0xC0, + VIOSRP_CRQ_XPORT_EVENT = 0xFF +}; + +enum viosrp_crq_init_formats { + VIOSRP_CRQ_INIT = 0x01, + VIOSRP_CRQ_INIT_COMPLETE = 0x02 +}; + +enum viosrp_crq_formats { + VIOSRP_SRP_FORMAT = 0x01, + VIOSRP_MAD_FORMAT = 0x02, + VIOSRP_OS400_FORMAT = 0x03, + VIOSRP_AIX_FORMAT = 0x04, + VIOSRP_LINUX_FORMAT = 0x05, + VIOSRP_INLINE_FORMAT = 0x06 +}; + +enum viosrp_crq_status { + VIOSRP_OK = 0x0, + VIOSRP_NONRECOVERABLE_ERR = 0x1, + VIOSRP_VIOLATES_MAX_XFER = 0x2, + VIOSRP_PARTNER_PANIC = 0x3, + VIOSRP_DEVICE_BUSY = 0x8, + VIOSRP_ADAPTER_FAIL = 0x10, + VIOSRP_OK2 = 0x99, +}; + +struct viosrp_crq { + u8 valid; /* used by RPA */ + u8 format; /* SCSI vs out-of-band */ + u8 reserved; + u8 status; /* non-scsi failure? (e.g. DMA failure) */ + __be16 timeout; /* in seconds */ + __be16 IU_length; /* in bytes */ + __be64 IU_data_ptr; /* the TCE for transferring data */ +}; + +/* MADs are Management requests above and beyond the IUs defined in the SRP + * standard. + */ +enum viosrp_mad_types { + VIOSRP_EMPTY_IU_TYPE = 0x01, + VIOSRP_ERROR_LOG_TYPE = 0x02, + VIOSRP_ADAPTER_INFO_TYPE = 0x03, + VIOSRP_CAPABILITIES_TYPE = 0x05, + VIOSRP_ENABLE_FAST_FAIL = 0x08, +}; + +enum viosrp_mad_status { + VIOSRP_MAD_SUCCESS = 0x00, + VIOSRP_MAD_NOT_SUPPORTED = 0xF1, + VIOSRP_MAD_FAILED = 0xF7, +}; + +enum viosrp_capability_type { + MIGRATION_CAPABILITIES = 0x01, + RESERVATION_CAPABILITIES = 0x02, +}; + +enum viosrp_capability_support { + SERVER_DOES_NOT_SUPPORTS_CAP = 0x0, + SERVER_SUPPORTS_CAP = 0x01, + SERVER_CAP_DATA = 0x02, +}; + +enum viosrp_reserve_type { + CLIENT_RESERVE_SCSI_2 = 0x01, +}; + +enum viosrp_capability_flag { + CLIENT_MIGRATED = 0x01, + CLIENT_RECONNECT = 0x02, + CAP_LIST_SUPPORTED = 0x04, + CAP_LIST_DATA = 0x08, +}; + +/* + * Common MAD header + */ +struct mad_common { + __be32 type; + __be16 status; + __be16 length; + __be64 tag; +}; + +/* + * All SRP (and MAD) requests normally flow from the + * client to the server. There is no way for the server to send + * an asynchronous message back to the client. The Empty IU is used + * to hang out a meaningless request to the server so that it can respond + * asynchrouously with something like a SCSI AER + */ +struct viosrp_empty_iu { + struct mad_common common; + __be64 buffer; + __be32 port; +}; + +struct viosrp_error_log { + struct mad_common common; + __be64 buffer; +}; + +struct viosrp_adapter_info { + struct mad_common common; + __be64 buffer; +}; + +struct viosrp_fast_fail { + struct mad_common common; +}; + +struct viosrp_capabilities { + struct mad_common common; + __be64 buffer; +}; + +struct mad_capability_common { + __be32 cap_type; + __be16 length; + __be16 server_support; +}; + +struct mad_reserve_cap { + struct mad_capability_common common; + __be32 type; +}; + +struct mad_migration_cap { + struct mad_capability_common common; + __be32 ecl; +}; + +struct capabilities { + __be32 flags; + char name[SRP_MAX_LOC_LEN]; + char loc[SRP_MAX_LOC_LEN]; + struct mad_migration_cap migration; + struct mad_reserve_cap reserve; +}; + +union mad_iu { + struct viosrp_empty_iu empty_iu; + struct viosrp_error_log error_log; + struct viosrp_adapter_info adapter_info; + struct viosrp_fast_fail fast_fail; + struct viosrp_capabilities capabilities; +}; + +union viosrp_iu { + union srp_iu srp; + union mad_iu mad; +}; + +struct mad_adapter_info_data { + char srp_version[8]; + char partition_name[96]; + __be32 partition_number; +#define SRP_MAD_VERSION_1 1 + __be32 mad_version; +#define SRP_MAD_OS_LINUX 2 +#define SRP_MAD_OS_AIX 3 + __be32 os_type; + __be32 port_max_txu[8]; /* per-port maximum transfer */ +}; + +#endif |