/* * zfcp device driver * * Interface to the FSF support functions. * * Copyright IBM Corp. 2002, 2010 */ #ifndef FSF_H #define FSF_H #include <linux/pfn.h> #include <linux/scatterlist.h> #include <scsi/libfc.h> #define FSF_QTCB_CURRENT_VERSION 0x00000001 /* FSF commands */ #define FSF_QTCB_FCP_CMND 0x00000001 #define FSF_QTCB_ABORT_FCP_CMND 0x00000002 #define FSF_QTCB_OPEN_PORT_WITH_DID 0x00000005 #define FSF_QTCB_OPEN_LUN 0x00000006 #define FSF_QTCB_CLOSE_LUN 0x00000007 #define FSF_QTCB_CLOSE_PORT 0x00000008 #define FSF_QTCB_CLOSE_PHYSICAL_PORT 0x00000009 #define FSF_QTCB_SEND_ELS 0x0000000B #define FSF_QTCB_SEND_GENERIC 0x0000000C #define FSF_QTCB_EXCHANGE_CONFIG_DATA 0x0000000D #define FSF_QTCB_EXCHANGE_PORT_DATA 0x0000000E #define FSF_QTCB_DOWNLOAD_CONTROL_FILE 0x00000012 #define FSF_QTCB_UPLOAD_CONTROL_FILE 0x00000013 /* FSF QTCB types */ #define FSF_IO_COMMAND 0x00000001 #define FSF_SUPPORT_COMMAND 0x00000002 #define FSF_CONFIG_COMMAND 0x00000003 #define FSF_PORT_COMMAND 0x00000004 /* FSF protocol states */ #define FSF_PROT_GOOD 0x00000001 #define FSF_PROT_QTCB_VERSION_ERROR 0x00000010 #define FSF_PROT_SEQ_NUMB_ERROR 0x00000020 #define FSF_PROT_UNSUPP_QTCB_TYPE 0x00000040 #define FSF_PROT_HOST_CONNECTION_INITIALIZING 0x00000080 #define FSF_PROT_FSF_STATUS_PRESENTED 0x00000100 #define FSF_PROT_DUPLICATE_REQUEST_ID 0x00000200 #define FSF_PROT_LINK_DOWN 0x00000400 #define FSF_PROT_REEST_QUEUE 0x00000800 #define FSF_PROT_ERROR_STATE 0x01000000 /* FSF states */ #define FSF_GOOD 0x00000000 #define FSF_PORT_ALREADY_OPEN 0x00000001 #define FSF_LUN_ALREADY_OPEN 0x00000002 #define FSF_PORT_HANDLE_NOT_VALID 0x00000003 #define FSF_LUN_HANDLE_NOT_VALID 0x00000004 #define FSF_HANDLE_MISMATCH 0x00000005 #define FSF_SERVICE_CLASS_NOT_SUPPORTED 0x00000006 #define FSF_FCPLUN_NOT_VALID 0x00000009 #define FSF_LUN_SHARING_VIOLATION 0x00000012 #define FSF_FCP_COMMAND_DOES_NOT_EXIST 0x00000022 #define FSF_DIRECTION_INDICATOR_NOT_VALID 0x00000030 #define FSF_CMND_LENGTH_NOT_VALID 0x00000033 #define FSF_MAXIMUM_NUMBER_OF_PORTS_EXCEEDED 0x00000040 #define FSF_MAXIMUM_NUMBER_OF_LUNS_EXCEEDED 0x00000041 #define FSF_ELS_COMMAND_REJECTED 0x00000050 #define FSF_GENERIC_COMMAND_REJECTED 0x00000051 #define FSF_PORT_BOXED 0x00000059 #define FSF_LUN_BOXED 0x0000005A #define FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE 0x0000005B #define FSF_PAYLOAD_SIZE_MISMATCH 0x00000060 #define FSF_REQUEST_SIZE_TOO_LARGE 0x00000061 #define FSF_RESPONSE_SIZE_TOO_LARGE 0x00000062 #define FSF_SBAL_MISMATCH 0x00000063 #define FSF_INCONSISTENT_PROT_DATA 0x00000070 #define FSF_INVALID_PROT_PARM 0x00000071 #define FSF_BLOCK_GUARD_CHECK_FAILURE 0x00000081 #define FSF_APP_TAG_CHECK_FAILURE 0x00000082 #define FSF_REF_TAG_CHECK_FAILURE 0x00000083 #define FSF_ADAPTER_STATUS_AVAILABLE 0x000000AD #define FSF_UNKNOWN_COMMAND 0x000000E2 #define FSF_UNKNOWN_OP_SUBTYPE 0x000000E3 #define FSF_INVALID_COMMAND_OPTION 0x000000E5 #define FSF_PROT_STATUS_QUAL_SIZE 16 #define FSF_STATUS_QUALIFIER_SIZE 16 /* FSF status qualifier, recommendations */ #define FSF_SQ_NO_RECOM 0x00 #define FSF_SQ_FCP_RSP_AVAILABLE 0x01 #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_COMMAND_ABORTED 0x06 #define FSF_SQ_NO_RETRY_POSSIBLE 0x07 /* 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_PSQ_LINK_NO_FCP 0x00000010 #define FSF_PSQ_LINK_FIRMWARE_UPDATE 0x00000020 #define FSF_PSQ_LINK_INVALID_WWPN 0x00000100 #define FSF_PSQ_LINK_NO_NPIV_SUPPORT 0x00000200 #define FSF_PSQ_LINK_NO_FCP_RESOURCES 0x00000400 #define FSF_PSQ_LINK_NO_FABRIC_RESOURCES 0x00000800 #define FSF_PSQ_LINK_FABRIC_LOGIN_UNABLE 0x00001000 #define FSF_PSQ_LINK_WWPN_ASSIGNMENT_CORRUPTED 0x00002000 #define FSF_PSQ_LINK_MODE_TABLE_CURRUPTED 0x00004000 #define FSF_PSQ_LINK_NO_WWPN_ASSIGNMENT 0x00008000 /* payload size in status read buffer */ #define FSF_STATUS_READ_PAYLOAD_SIZE 4032 /* number of status read buffers that should be sent by ULP */ #define FSF_STATUS_READS_RECOM 16 /* status types in status read buffer */ #define FSF_STATUS_READ_PORT_CLOSED 0x00000001 #define FSF_STATUS_READ_INCOMING_ELS 0x00000002 #define FSF_STATUS_READ_SENSE_DATA_AVAIL 0x00000003 #define FSF_STATUS_READ_BIT_ERROR_THRESHOLD 0x00000004 #define FSF_STATUS_READ_LINK_DOWN 0x00000005 #define FSF_STATUS_READ_LINK_UP 0x00000006 #define FSF_STATUS_READ_NOTIFICATION_LOST 0x00000009 #define FSF_STATUS_READ_FEATURE_UPDATE_ALERT 0x0000000C /* status subtypes for link down */ #define FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK 0x00000000 #define FSF_STATUS_READ_SUB_FDISC_FAILED 0x00000001 #define FSF_STATUS_READ_SUB_FIRMWARE_UPDATE 0x00000002 /* status subtypes for unsolicited status notification lost */ #define FSF_STATUS_READ_SUB_INCOMING_ELS 0x00000001 /* topologie that is detected by the adapter */ #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_CMND 0x00000004 #define FSF_DATADIR_DIF_WRITE_INSERT 0x00000009 #define FSF_DATADIR_DIF_READ_STRIP 0x0000000a #define FSF_DATADIR_DIF_WRITE_CONVERT 0x0000000b #define FSF_DATADIR_DIF_READ_CONVERT 0X0000000c /* data protection control flags */ #define FSF_APP_TAG_CHECK_ENABLE 0x10 /* fc service class */ #define FSF_CLASS_3 0x00000003 /* logging space behind QTCB */ #define FSF_QTCB_LOG_SIZE 1024 /* channel features */ #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 #define FSF_FEATURE_DIF_PROT_TYPE1 0x00010000 #define FSF_FEATURE_DIX_PROT_TCPIP 0x00020000 /* host connection features */ #define FSF_FEATURE_NPIV_MODE 0x00000001 /* option */ #define FSF_OPEN_LUN_SUPPRESS_BOXING 0x00000001 struct fsf_queue_designator { u8 cssid; u8 chpid; u8 hla; u8 ua; u32 res1; } __attribute__ ((packed)); struct fsf_bit_error_payload { u32 res1; u32 link_failure_error_count; u32 loss_of_sync_error_count; u32 loss_of_signal_error_count; u32 primitive_sequence_error_count; u32 invalid_transmission_word_error_count; u32 crc_error_count; u32 primitive_sequence_event_timeout_count; u32 elastic_buffer_overrun_error_count; u32 fcal_arbitration_timeout_count; u32 advertised_receive_b2b_credit; u32 current_receive_b2b_credit; u32 advertised_transmit_b2b_credit; 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 length; u32 res1; struct fsf_queue_designator queue_designator; u8 res2; u8 d_id[3]; u32 class; u64 fcp_lun; u8 res3[24]; 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 fsf_version; u32 res1[3]; } __attribute__ ((packed)); struct fsf_qual_sequence_error { u32 exp_req_seq_no; u32 res1[3]; } __attribute__ ((packed)); 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 { u64 req_id; u32 qtcb_version; u32 ulp_info; u32 qtcb_type; u32 req_seq_no; u32 prot_status; union fsf_prot_status_qual prot_status_qual; u8 res1[20]; } __attribute__ ((packed)); struct fsf_statistics_info { u64 input_req; u64 output_req; u64 control_req; u64 input_mb; u64 output_mb; u64 seconds_act; } __attribute__ ((packed)); union fsf_status_qual { u8 byte[FSF_STATUS_QUALIFIER_SIZE]; u16 halfword[FSF_STATUS_QUALIFIER_SIZE / sizeof (u16)]; u32 word[FSF_STATUS_QUALIFIER_SIZE / sizeof (u32)]; u64 doubleword[FSF_STATUS_QUALIFIER_SIZE / sizeof(u64)]; struct fsf_queue_designator fsf_queue_designator; struct fsf_link_down_info link_down_info; } __attribute__ ((packed)); struct fsf_qtcb_header { u64 req_handle; u32 fsf_command; u32 res1; u32 port_handle; u32 lun_handle; u32 res2; u32 fsf_status; union fsf_status_qual fsf_status_qual; u8 res3[28]; u16 log_start; u16 log_length; u8 res4[16]; } __attribute__ ((packed)); #define FSF_PLOGI_MIN_LEN 112 #define FSF_FCP_CMND_SIZE 288 #define FSF_FCP_RSP_SIZE 128 struct fsf_qtcb_bottom_io { u32 data_direction; u32 service_class; u8 res1; u8 data_prot_flags; u16 app_tag_value; u32 ref_tag_value; u32 fcp_cmnd_length; u32 data_block_length; u32 prot_data_length; u8 res2[4]; u8 fcp_cmnd[FSF_FCP_CMND_SIZE]; u8 fcp_rsp[FSF_FCP_RSP_SIZE]; u8 res3[64]; } __attribute__ ((packed)); struct fsf_qtcb_bottom_support { u32 operation_subtype; u8 res1[13]; u8 d_id[3]; u32 option; u64 fcp_lun; u64 res2; u64 req_handle; u32 service_class; u8 res3[3]; u8 timeout; u32 lun_access_info; u8 res4[180]; u32 els1_length; u32 els2_length; u32 req_buf_length; u32 resp_buf_length; u8 els[256]; } __attribute__ ((packed)); #define ZFCP_FSF_TIMER_INT_MASK 0x3FFF struct fsf_qtcb_bottom_config { u32 lic_version; u32 feature_selection; u32 high_qtcb_version; u32 low_qtcb_version; u32 max_qtcb_size; u32 max_data_transfer_size; u32 adapter_features; u32 connection_features; u32 fc_topology; u32 fc_link_speed; u32 adapter_type; u8 res0; u8 peer_d_id[3]; u16 status_read_buf_num; u16 timer_interval; u8 res2[9]; u8 s_id[3]; u8 nport_serv_param[128]; u8 res3[8]; u32 adapter_ports; u32 hardware_version; u8 serial_number[32]; u8 plogi_payload[112]; struct fsf_statistics_info stat_info; u8 res4[112]; } __attribute__ ((packed)); struct fsf_qtcb_bottom_port { u64 wwpn; u32 fc_port_id; u32 port_type; u32 port_state; u32 class_of_service; /* should be 0x00000006 for class 2 and 3 */ u8 supported_fc4_types[32]; /* should be 0x00000100 for scsi fcp */ u8 active_fc4_types[32]; u32 supported_speed; /* 0x0001 for 1 GBit/s or 0x0002 for 2 GBit/s */ u32 maximum_frame_size; /* fixed value of 2112 */ u64 seconds_since_last_reset; u64 tx_frames; u64 tx_words; u64 rx_frames; u64 rx_words; u64 lip; /* 0 */ u64 nos; /* currently 0 */ u64 error_frames; /* currently 0 */ u64 dumped_frames; /* currently 0 */ u64 link_failure; u64 loss_of_sync; u64 loss_of_signal; u64 psp_error_counts; u64 invalid_tx_words; u64 invalid_crcs; u64 input_requests; u64 output_requests; u64 control_requests; u64 input_mb; /* where 1 MByte == 1.000.000 Bytes */ u64 output_mb; /* where 1 MByte == 1.000.000 Bytes */ u8 cp_util; u8 cb_util; u8 a_util; u8 res2[253]; } __attribute__ ((packed)); union fsf_qtcb_bottom { struct fsf_qtcb_bottom_io io; struct fsf_qtcb_bottom_support support; struct fsf_qtcb_bottom_config config; struct fsf_qtcb_bottom_port port; }; struct fsf_qtcb { struct fsf_qtcb_prefix prefix; struct fsf_qtcb_header header; union fsf_qtcb_bottom bottom; u8 log[FSF_QTCB_LOG_SIZE]; } __attribute__ ((packed)); struct zfcp_blk_drv_data { #define ZFCP_BLK_DRV_DATA_MAGIC 0x1 u32 magic; #define ZFCP_BLK_LAT_VALID 0x1 #define ZFCP_BLK_REQ_ERROR 0x2 u16 flags; u8 inb_usage; u8 outb_usage; u64 channel_lat; u64 fabric_lat; } __attribute__ ((packed)); /** * struct zfcp_fsf_ct_els - zfcp data for ct or els request * @req: scatter-gather list for request * @resp: scatter-gather list for response * @handler: handler function (called for response to the request) * @handler_data: data passed to handler function * @port: Optional pointer to port for zfcp internal ELS (only test link ADISC) * @status: used to pass error status to calling function */ struct zfcp_fsf_ct_els { struct scatterlist *req; struct scatterlist *resp; void (*handler)(void *); void *handler_data; struct zfcp_port *port; int status; }; #endif /* FSF_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp | |
| martin schwidefsky | martin schwidefsky | 816 | 53.68% | 2 | 7.69% |
| andrew morton | andrew morton | 222 | 14.61% | 3 | 11.54% |
| christof schmitt | christof schmitt | 133 | 8.75% | 10 | 38.46% |
| maxim shchetynin | maxim shchetynin | 115 | 7.57% | 3 | 11.54% |
| swen schillig | swen schillig | 114 | 7.50% | 2 | 7.69% |
| felix beck | felix beck | 65 | 4.28% | 1 | 3.85% |
| stefan raspl | stefan raspl | 41 | 2.70% | 1 | 3.85% |
| andreas herrmann | andreas herrmann | 7 | 0.46% | 2 | 7.69% |
| james bottomley | james bottomley | 6 | 0.39% | 1 | 3.85% |
| heiko carstens | heiko carstens | 1 | 0.07% | 1 | 3.85% |
| Total | 1520 | 100.00% | 26 | 100.00% |