diff options
Diffstat (limited to 'drivers/scsi/ibmvscsi/viosrp.h')
| -rw-r--r-- | drivers/scsi/ibmvscsi/viosrp.h | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/drivers/scsi/ibmvscsi/viosrp.h b/drivers/scsi/ibmvscsi/viosrp.h deleted file mode 100644 index c1ab8a4c3161..000000000000 --- a/drivers/scsi/ibmvscsi/viosrp.h +++ /dev/null @@ -1,225 +0,0 @@ -/*****************************************************************************/ -/* 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. */ -/* */ -/* You should have received a copy of the GNU General Public License */ -/* along with this program; if not, write to the Free Software */ -/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -/* */ -/* */ -/* 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 |