/*
- * This file is part of the zfcp device driver for
- * FCP adapters for IBM System z9 and zSeries.
+ * zfcp device driver
*
- * (C) Copyright IBM Corp. 2002, 2006
+ * Interface to the FSF support functions.
*
- * 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Copyright IBM Corporation 2002, 2008
*/
#ifndef FSF_H
#define FSF_H
+#include <linux/pfn.h>
+
#define FSF_QTCB_CURRENT_VERSION 0x00000001
/* FSF commands */
#define FSF_MAXIMUM_NUMBER_OF_LUNS_EXCEEDED 0x00000041
#define FSF_ELS_COMMAND_REJECTED 0x00000050
#define FSF_GENERIC_COMMAND_REJECTED 0x00000051
-#define FSF_OPERATION_PARTIALLY_SUCCESSFUL 0x00000052
-#define FSF_AUTHORIZATION_FAILURE 0x00000053
-#define FSF_CFDC_ERROR_DETECTED 0x00000054
-#define FSF_CONTROL_FILE_UPDATE_ERROR 0x00000055
-#define FSF_CONTROL_FILE_TOO_LARGE 0x00000056
-#define FSF_ACCESS_CONFLICT_DETECTED 0x00000057
-#define FSF_CONFLICTS_OVERRULED 0x00000058
#define FSF_PORT_BOXED 0x00000059
#define FSF_LUN_BOXED 0x0000005A
#define FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE 0x0000005B
#define FSF_REQUEST_SIZE_TOO_LARGE 0x00000061
#define FSF_RESPONSE_SIZE_TOO_LARGE 0x00000062
#define FSF_SBAL_MISMATCH 0x00000063
-#define FSF_OPEN_PORT_WITHOUT_PRLI 0x00000064
#define FSF_ADAPTER_STATUS_AVAILABLE 0x000000AD
-#define FSF_FCP_RSP_AVAILABLE 0x000000AF
#define FSF_UNKNOWN_COMMAND 0x000000E2
#define FSF_UNKNOWN_OP_SUBTYPE 0x000000E3
#define FSF_INVALID_COMMAND_OPTION 0x000000E5
#define FSF_SQ_RETRY_IF_POSSIBLE 0x02
#define FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED 0x03
#define FSF_SQ_INVOKE_LINK_TEST_PROCEDURE 0x04
-#define FSF_SQ_ULP_PROGRAMMING_ERROR 0x05
#define FSF_SQ_COMMAND_ABORTED 0x06
#define FSF_SQ_NO_RETRY_POSSIBLE 0x07
-/* FSF status qualifier for CFDC commands */
-#define FSF_SQ_CFDC_HARDENED_ON_SE 0x00000000
-#define FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE 0x00000001
-#define FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE2 0x00000002
-/* CFDC subtable codes */
-#define FSF_SQ_CFDC_SUBTABLE_OS 0x0001
-#define FSF_SQ_CFDC_SUBTABLE_PORT_WWPN 0x0002
-#define FSF_SQ_CFDC_SUBTABLE_PORT_DID 0x0003
-#define FSF_SQ_CFDC_SUBTABLE_LUN 0x0004
-
/* FSF status qualifier (most significant 4 bytes), local link down */
#define FSF_PSQ_LINK_NO_LIGHT 0x00000004
#define FSF_PSQ_LINK_WRAP_PLUG 0x00000008
#define FSF_STATUS_READ_LINK_UP 0x00000006
#define FSF_STATUS_READ_NOTIFICATION_LOST 0x00000009
#define FSF_STATUS_READ_CFDC_UPDATED 0x0000000A
-#define FSF_STATUS_READ_CFDC_HARDENED 0x0000000B
#define FSF_STATUS_READ_FEATURE_UPDATE_ALERT 0x0000000C
/* status subtypes in status read buffer */
/* status subtypes for unsolicited status notification lost */
#define FSF_STATUS_READ_SUB_INCOMING_ELS 0x00000001
-#define FSF_STATUS_READ_SUB_SENSE_DATA 0x00000002
-#define FSF_STATUS_READ_SUB_LINK_STATUS 0x00000004
-#define FSF_STATUS_READ_SUB_PORT_CLOSED 0x00000008
-#define FSF_STATUS_READ_SUB_BIT_ERROR_THRESHOLD 0x00000010
#define FSF_STATUS_READ_SUB_ACT_UPDATED 0x00000020
-#define FSF_STATUS_READ_SUB_ACT_HARDENED 0x00000040
-#define FSF_STATUS_READ_SUB_FEATURE_UPDATE_ALERT 0x00000080
-
-/* status subtypes for CFDC */
-#define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE 0x00000002
-#define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE2 0x0000000F
/* topologie that is detected by the adapter */
-#define FSF_TOPO_ERROR 0x00000000
#define FSF_TOPO_P2P 0x00000001
#define FSF_TOPO_FABRIC 0x00000002
#define FSF_TOPO_AL 0x00000003
/* data direction for FCP commands */
#define FSF_DATADIR_WRITE 0x00000001
#define FSF_DATADIR_READ 0x00000002
-#define FSF_DATADIR_READ_WRITE 0x00000003
#define FSF_DATADIR_CMND 0x00000004
/* fc service class */
-#define FSF_CLASS_1 0x00000001
-#define FSF_CLASS_2 0x00000002
#define FSF_CLASS_3 0x00000003
/* SBAL chaining */
#define FSF_MAX_SBALS_PER_REQ 36
-#define FSF_MAX_SBALS_PER_ELS_REQ 2
/* logging space behind QTCB */
#define FSF_QTCB_LOG_SIZE 1024
#define FSF_FEATURE_LUN_SHARING 0x00000004
#define FSF_FEATURE_NOTIFICATION_LOST 0x00000008
#define FSF_FEATURE_HBAAPI_MANAGEMENT 0x00000010
-#define FSF_FEATURE_ELS_CT_CHAINED_SBALS 0x00000020
#define FSF_FEATURE_UPDATE_ALERT 0x00000100
#define FSF_FEATURE_MEASUREMENT_DATA 0x00000200
/* host connection features */
#define FSF_FEATURE_NPIV_MODE 0x00000001
-#define FSF_FEATURE_VM_ASSIGNED_WWPN 0x00000002
/* option */
#define FSF_OPEN_LUN_SUPPRESS_BOXING 0x00000001
-#define FSF_OPEN_LUN_REPLICATE_SENSE 0x00000002
-
-/* adapter types */
-#define FSF_ADAPTER_TYPE_FICON 0x00000001
-#define FSF_ADAPTER_TYPE_FICON_EXPRESS 0x00000002
-
-/* port types */
-#define FSF_HBA_PORTTYPE_UNKNOWN 0x00000001
-#define FSF_HBA_PORTTYPE_NOTPRESENT 0x00000003
-#define FSF_HBA_PORTTYPE_NPORT 0x00000005
-#define FSF_HBA_PORTTYPE_PTP 0x00000021
-/* following are not defined and used by FSF Spec
- but are additionally defined by FC-HBA */
-#define FSF_HBA_PORTTYPE_OTHER 0x00000002
-#define FSF_HBA_PORTTYPE_NOTPRESENT 0x00000003
-#define FSF_HBA_PORTTYPE_NLPORT 0x00000006
-#define FSF_HBA_PORTTYPE_FLPORT 0x00000007
-#define FSF_HBA_PORTTYPE_FPORT 0x00000008
-#define FSF_HBA_PORTTYPE_LPORT 0x00000020
-
-/* port states */
-#define FSF_HBA_PORTSTATE_UNKNOWN 0x00000001
-#define FSF_HBA_PORTSTATE_ONLINE 0x00000002
-#define FSF_HBA_PORTSTATE_OFFLINE 0x00000003
-#define FSF_HBA_PORTSTATE_LINKDOWN 0x00000006
-#define FSF_HBA_PORTSTATE_ERROR 0x00000007
-
-/* IO states of adapter */
-#define FSF_IOSTAT_NPORT_RJT 0x00000004
-#define FSF_IOSTAT_FABRIC_RJT 0x00000005
-#define FSF_IOSTAT_LS_RJT 0x00000009
/* open LUN access flags*/
-#define FSF_UNIT_ACCESS_OPEN_LUN_ALLOWED 0x01000000
#define FSF_UNIT_ACCESS_EXCLUSIVE 0x02000000
#define FSF_UNIT_ACCESS_OUTBOUND_TRANSFER 0x10000000
+/* FSF interface for CFDC */
+#define ZFCP_CFDC_MAX_SIZE 127 * 1024
+#define ZFCP_CFDC_PAGES PFN_UP(ZFCP_CFDC_MAX_SIZE)
+
+struct zfcp_fsf_cfdc {
+ struct scatterlist sg[ZFCP_CFDC_PAGES];
+ u32 command;
+ u32 option;
+};
+
struct fsf_queue_designator {
u8 cssid;
u8 chpid;
u32 res1;
} __attribute__ ((packed));
-struct fsf_port_closed_payload {
- struct fsf_queue_designator queue_designator;
- u32 port_handle;
-} __attribute__ ((packed));
-
struct fsf_bit_error_payload {
u32 res1;
u32 link_failure_error_count;
u32 current_transmit_b2b_credit;
} __attribute__ ((packed));
+struct fsf_link_down_info {
+ u32 error_code;
+ u32 res1;
+ u8 res2[2];
+ u8 primary_status;
+ u8 ioerr_code;
+ u8 action_code;
+ u8 reason_code;
+ u8 explanation_code;
+ u8 vendor_specific_code;
+} __attribute__ ((packed));
+
struct fsf_status_read_buffer {
u32 status_type;
u32 status_subtype;
u32 class;
u64 fcp_lun;
u8 res3[24];
- u8 payload[FSF_STATUS_READ_PAYLOAD_SIZE];
+ union {
+ u8 data[FSF_STATUS_READ_PAYLOAD_SIZE];
+ u32 word[FSF_STATUS_READ_PAYLOAD_SIZE/sizeof(u32)];
+ struct fsf_link_down_info link_down_info;
+ struct fsf_bit_error_payload bit_error;
+ } payload;
} __attribute__ ((packed));
struct fsf_qual_version_error {
u32 res1[3];
} __attribute__ ((packed));
-struct fsf_link_down_info {
- u32 error_code;
- u32 res1;
- u8 res2[2];
- u8 primary_status;
- u8 ioerr_code;
- u8 action_code;
- u8 reason_code;
- u8 explanation_code;
- u8 vendor_specific_code;
+struct fsf_qual_latency_info {
+ u32 channel_lat;
+ u32 fabric_lat;
+ u8 res1[8];
} __attribute__ ((packed));
union fsf_prot_status_qual {
+ u32 word[FSF_PROT_STATUS_QUAL_SIZE / sizeof(u32)];
u64 doubleword[FSF_PROT_STATUS_QUAL_SIZE / sizeof(u64)];
struct fsf_qual_version_error version_error;
struct fsf_qual_sequence_error sequence_error;
struct fsf_link_down_info link_down_info;
+ struct fsf_qual_latency_info latency_info;
} __attribute__ ((packed));
struct fsf_qtcb_prefix {
u32 fc_link_speed;
u32 adapter_type;
u32 peer_d_id;
- u8 res2[12];
+ u8 res1[2];
+ u16 timer_interval;
+ u8 res2[8];
u32 s_id;
struct fsf_nport_serv_param nport_serv_param;
u8 reserved_nport_serv_param[16];