| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Nicholas Bellinger | 2454 | 66.47% | 5 | 8.47% |
| Quinn Tran | 867 | 23.48% | 31 | 52.54% |
| Bart Van Assche | 172 | 4.66% | 8 | 13.56% |
| Arun Easi | 50 | 1.35% | 1 | 1.69% |
| Alexei Potashnik | 47 | 1.27% | 4 | 6.78% |
| Swapnil Nagle | 25 | 0.68% | 1 | 1.69% |
| Chad Dupuis | 21 | 0.57% | 1 | 1.69% |
| Roland Dreier | 16 | 0.43% | 1 | 1.69% |
| Saurav Kashyap | 13 | 0.35% | 1 | 1.69% |
| Darren Trapp | 9 | 0.24% | 1 | 1.69% |
| Giridhar Malavali | 7 | 0.19% | 1 | 1.69% |
| Jörn Engel | 5 | 0.14% | 1 | 1.69% |
| Dan Carpenter | 3 | 0.08% | 1 | 1.69% |
| Thomas Gleixner | 2 | 0.05% | 1 | 1.69% |
| Christoph Hellwig | 1 | 0.03% | 1 | 1.69% |
| Total | 3692 | 59 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2004 - 2010 Vladislav Bolkhovitin <vst@vlnb.net> * Copyright (C) 2004 - 2005 Leonid Stoljar * Copyright (C) 2006 Nathaniel Clark <nate@misrule.us> * Copyright (C) 2007 - 2010 ID7 Ltd. * * Forward port and refactoring to modern qla2xxx and target/configfs * * Copyright (C) 2010-2011 Nicholas A. Bellinger <nab@kernel.org> * * Additional file for the target driver support. */ /* * This is the global def file that is useful for including from the * target portion. */ #ifndef __QLA_TARGET_H #define __QLA_TARGET_H #include "qla_def.h" #include "qla_dsd.h" /* * Must be changed on any change in any initiator visible interfaces or * data in the target add-on */ #define QLA2XXX_TARGET_MAGIC 269 /* * Must be changed on any change in any target visible interfaces or * data in the initiator */ #define QLA2XXX_INITIATOR_MAGIC 57222 #define QLA2XXX_INI_MODE_STR_EXCLUSIVE "exclusive" #define QLA2XXX_INI_MODE_STR_DISABLED "disabled" #define QLA2XXX_INI_MODE_STR_ENABLED "enabled" #define QLA2XXX_INI_MODE_STR_DUAL "dual" #define QLA2XXX_INI_MODE_EXCLUSIVE 0 #define QLA2XXX_INI_MODE_DISABLED 1 #define QLA2XXX_INI_MODE_ENABLED 2 #define QLA2XXX_INI_MODE_DUAL 3 #define QLA2XXX_COMMAND_COUNT_INIT 250 #define QLA2XXX_IMMED_NOTIFY_COUNT_INIT 250 /* * Used to mark which completion handles (for RIO Status's) are for CTIO's * vs. regular (non-target) info. This is checked for in * qla2x00_process_response_queue() to see if a handle coming back in a * multi-complete should come to the tgt driver or be handled there by qla2xxx */ #define CTIO_COMPLETION_HANDLE_MARK BIT_29 #if (CTIO_COMPLETION_HANDLE_MARK <= DEFAULT_OUTSTANDING_COMMANDS) #error "CTIO_COMPLETION_HANDLE_MARK not larger than " "DEFAULT_OUTSTANDING_COMMANDS" #endif #define HANDLE_IS_CTIO_COMP(h) (h & CTIO_COMPLETION_HANDLE_MARK) /* Used to mark CTIO as intermediate */ #define CTIO_INTERMEDIATE_HANDLE_MARK BIT_30 #define QLA_TGT_NULL_HANDLE 0 #define QLA_TGT_HANDLE_MASK 0xF0000000 #define QLA_QPID_HANDLE_MASK 0x00FF0000 /* qpair id mask */ #define QLA_CMD_HANDLE_MASK 0x0000FFFF #define QLA_TGT_SKIP_HANDLE (0xFFFFFFFF & ~QLA_TGT_HANDLE_MASK) #define QLA_QPID_HANDLE_SHIFT 16 #define GET_QID(_h) ((_h & QLA_QPID_HANDLE_MASK) >> QLA_QPID_HANDLE_SHIFT) #ifndef OF_SS_MODE_0 /* * ISP target entries - Flags bit definitions. */ #define OF_SS_MODE_0 0 #define OF_SS_MODE_1 1 #define OF_SS_MODE_2 2 #define OF_SS_MODE_3 3 #define OF_EXPL_CONF BIT_5 /* Explicit Confirmation Requested */ #define OF_DATA_IN BIT_6 /* Data in to initiator */ /* (data from target to initiator) */ #define OF_DATA_OUT BIT_7 /* Data out from initiator */ /* (data from initiator to target) */ #define OF_NO_DATA (BIT_7 | BIT_6) #define OF_INC_RC BIT_8 /* Increment command resource count */ #define OF_FAST_POST BIT_9 /* Enable mailbox fast posting. */ #define OF_CONF_REQ BIT_13 /* Confirmation Requested */ #define OF_TERM_EXCH BIT_14 /* Terminate exchange */ #define OF_SSTS BIT_15 /* Send SCSI status */ #endif #ifndef QLA_TGT_DATASEGS_PER_CMD32 #define QLA_TGT_DATASEGS_PER_CMD32 3 #define QLA_TGT_DATASEGS_PER_CONT32 7 #define QLA_TGT_MAX_SG32(ql) \ (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD32 + \ QLA_TGT_DATASEGS_PER_CONT32*((ql) - 1)) : 0) #define QLA_TGT_DATASEGS_PER_CMD64 2 #define QLA_TGT_DATASEGS_PER_CONT64 5 #define QLA_TGT_MAX_SG64(ql) \ (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD64 + \ QLA_TGT_DATASEGS_PER_CONT64*((ql) - 1)) : 0) #endif #ifndef QLA_TGT_DATASEGS_PER_CMD_24XX #define QLA_TGT_DATASEGS_PER_CMD_24XX 1 #define QLA_TGT_DATASEGS_PER_CONT_24XX 5 #define QLA_TGT_MAX_SG_24XX(ql) \ (min(1270, ((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD_24XX + \ QLA_TGT_DATASEGS_PER_CONT_24XX*((ql) - 1)) : 0)) #endif #endif #define GET_TARGET_ID(ha, iocb) ((HAS_EXTENDED_IDS(ha)) \ ? le16_to_cpu((iocb)->u.isp2x.target.extended) \ : (uint16_t)(iocb)->u.isp2x.target.id.standard) #ifndef NOTIFY_ACK_TYPE #define NOTIFY_ACK_TYPE 0x0E /* Notify acknowledge entry. */ /* * ISP queue - notify acknowledge entry structure definition. * This is sent to the ISP from the target driver. */ struct nack_to_isp { uint8_t entry_type; /* Entry type. */ uint8_t entry_count; /* Entry count. */ uint8_t sys_define; /* System defined. */ uint8_t entry_status; /* Entry Status. */ union { struct { __le32 sys_define_2; /* System defined. */ target_id_t target; uint8_t target_id; uint8_t reserved_1; __le16 flags; __le16 resp_code; __le16 status; __le16 task_flags; __le16 seq_id; __le16 srr_rx_id; __le32 srr_rel_offs; __le16 srr_ui; __le16 srr_flags; __le16 srr_reject_code; uint8_t srr_reject_vendor_uniq; uint8_t srr_reject_code_expl; uint8_t reserved_2[24]; } isp2x; struct { uint32_t handle; __le16 nport_handle; uint16_t reserved_1; __le16 flags; __le16 srr_rx_id; __le16 status; uint8_t status_subcode; uint8_t fw_handle; __le32 exchange_address; __le32 srr_rel_offs; __le16 srr_ui; __le16 srr_flags; uint8_t reserved_4[19]; uint8_t vp_index; uint8_t srr_reject_vendor_uniq; uint8_t srr_reject_code_expl; uint8_t srr_reject_code; uint8_t reserved_5[5]; } isp24; } u; uint8_t reserved[2]; __le16 ox_id; } __packed; #define NOTIFY_ACK_FLAGS_TERMINATE BIT_3 #define NOTIFY_ACK_SRR_FLAGS_ACCEPT 0 #define NOTIFY_ACK_SRR_FLAGS_REJECT 1 #define NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM 0x9 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL 0 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_UNABLE_TO_SUPPLY_DATA 0x2a #define NOTIFY_ACK_SUCCESS 0x01 #endif #ifndef ACCEPT_TGT_IO_TYPE #define ACCEPT_TGT_IO_TYPE 0x16 /* Accept target I/O entry. */ #endif #ifndef CONTINUE_TGT_IO_TYPE #define CONTINUE_TGT_IO_TYPE 0x17 /* * ISP queue - Continue Target I/O (CTIO) entry for status mode 0 structure. * This structure is sent to the ISP 2xxx from target driver. */ struct ctio_to_2xxx { uint8_t entry_type; /* Entry type. */ uint8_t entry_count; /* Entry count. */ uint8_t sys_define; /* System defined. */ uint8_t entry_status; /* Entry Status. */ uint32_t handle; /* System defined handle */ target_id_t target; __le16 rx_id; __le16 flags; __le16 status; __le16 timeout; /* 0 = 30 seconds, 0xFFFF = disable */ __le16 dseg_count; /* Data segment count. */ __le32 relative_offset; __le32 residual; __le16 reserved_1[3]; __le16 scsi_status; __le32 transfer_length; struct dsd32 dsd[3]; } __packed; #define ATIO_PATH_INVALID 0x07 #define ATIO_CANT_PROV_CAP 0x16 #define ATIO_CDB_VALID 0x3D #define ATIO_EXEC_READ BIT_1 #define ATIO_EXEC_WRITE BIT_0 #endif #ifndef CTIO_A64_TYPE #define CTIO_A64_TYPE 0x1F #define CTIO_SUCCESS 0x01 #define CTIO_ABORTED 0x02 #define CTIO_INVALID_RX_ID 0x08 #define CTIO_TIMEOUT 0x0B #define CTIO_DIF_ERROR 0x0C /* DIF error detected */ #define CTIO_LIP_RESET 0x0E #define CTIO_TARGET_RESET 0x17 #define CTIO_PORT_UNAVAILABLE 0x28 #define CTIO_PORT_LOGGED_OUT 0x29 #define CTIO_PORT_CONF_CHANGED 0x2A #define CTIO_SRR_RECEIVED 0x45 #endif #ifndef CTIO_RET_TYPE #define CTIO_RET_TYPE 0x17 /* CTIO return entry */ #define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */ struct fcp_hdr { uint8_t r_ctl; be_id_t d_id; uint8_t cs_ctl; be_id_t s_id; uint8_t type; uint8_t f_ctl[3]; uint8_t seq_id; uint8_t df_ctl; uint16_t seq_cnt; __be16 ox_id; uint16_t rx_id; __le32 parameter; } __packed; struct fcp_hdr_le { le_id_t d_id; uint8_t r_ctl; le_id_t s_id; uint8_t cs_ctl; uint8_t f_ctl[3]; uint8_t type; __le16 seq_cnt; uint8_t df_ctl; uint8_t seq_id; __le16 rx_id; __le16 ox_id; __le32 parameter; } __packed; #define F_CTL_EXCH_CONTEXT_RESP BIT_23 #define F_CTL_SEQ_CONTEXT_RESIP BIT_22 #define F_CTL_LAST_SEQ BIT_20 #define F_CTL_END_SEQ BIT_19 #define F_CTL_SEQ_INITIATIVE BIT_16 #define R_CTL_BASIC_LINK_SERV 0x80 #define R_CTL_B_ACC 0x4 #define R_CTL_B_RJT 0x5 struct atio7_fcp_cmnd { uint64_t lun; uint8_t cmnd_ref; uint8_t task_attr:3; uint8_t reserved:5; uint8_t task_mgmt_flags; #define FCP_CMND_TASK_MGMT_CLEAR_ACA 6 #define FCP_CMND_TASK_MGMT_TARGET_RESET 5 #define FCP_CMND_TASK_MGMT_LU_RESET 4 #define FCP_CMND_TASK_MGMT_CLEAR_TASK_SET 2 #define FCP_CMND_TASK_MGMT_ABORT_TASK_SET 1 uint8_t wrdata:1; uint8_t rddata:1; uint8_t add_cdb_len:6; uint8_t cdb[16]; /* * add_cdb is optional and can absent from struct atio7_fcp_cmnd. Size 4 * only to make sizeof(struct atio7_fcp_cmnd) be as expected by * BUILD_BUG_ON in qlt_init(). */ uint8_t add_cdb[4]; /* __le32 data_length; */ } __packed; /* * ISP queue - Accept Target I/O (ATIO) type entry IOCB structure. * This is sent from the ISP to the target driver. */ struct atio_from_isp { union { struct { __le16 entry_hdr; uint8_t sys_define; /* System defined. */ uint8_t entry_status; /* Entry Status. */ __le32 sys_define_2; /* System defined. */ target_id_t target; __le16 rx_id; __le16 flags; __le16 status; uint8_t command_ref; uint8_t task_codes; uint8_t task_flags; uint8_t execution_codes; uint8_t cdb[MAX_CMDSZ]; __le32 data_length; __le16 lun; uint8_t initiator_port_name[WWN_SIZE]; /* on qla23xx */ __le16 reserved_32[6]; __le16 ox_id; } isp2x; struct { __le16 entry_hdr; uint8_t fcp_cmnd_len_low; uint8_t fcp_cmnd_len_high:4; uint8_t attr:4; __le32 exchange_addr; #define ATIO_EXCHANGE_ADDRESS_UNKNOWN 0xFFFFFFFF struct fcp_hdr fcp_hdr; struct atio7_fcp_cmnd fcp_cmnd; } isp24; struct { uint8_t entry_type; /* Entry type. */ uint8_t entry_count; /* Entry count. */ __le16 attr_n_length; #define FCP_CMD_LENGTH_MASK 0x0fff #define FCP_CMD_LENGTH_MIN 0x38 uint8_t data[56]; __le32 signature; #define ATIO_PROCESSED 0xDEADDEAD /* Signature */ } raw; } u; } __packed; static inline int fcpcmd_is_corrupted(struct atio *atio) { if (atio->entry_type == ATIO_TYPE7 && ((le16_to_cpu(atio->attr_n_length) & FCP_CMD_LENGTH_MASK) < FCP_CMD_LENGTH_MIN)) return 1; else return 0; } /* adjust corrupted atio so we won't trip over the same entry again. */ static inline void adjust_corrupted_atio(struct atio_from_isp *atio) { atio->u.raw.attr_n_length = cpu_to_le16(FCP_CMD_LENGTH_MIN); atio->u.isp24.fcp_cmnd.add_cdb_len = 0; } static inline int get_datalen_for_atio(struct atio_from_isp *atio) { int len = atio->u.isp24.fcp_cmnd.add_cdb_len; return get_unaligned_be32(&atio->u.isp24.fcp_cmnd.add_cdb[len * 4]); } #define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */ /* * ISP queue - Continue Target I/O (ATIO) type 7 entry (for 24xx) structure. * This structure is sent to the ISP 24xx from the target driver. */ struct ctio7_to_24xx { uint8_t entry_type; /* Entry type. */ uint8_t entry_count; /* Entry count. */ uint8_t sys_define; /* System defined. */ uint8_t entry_status; /* Entry Status. */ uint32_t handle; /* System defined handle */ __le16 nport_handle; #define CTIO7_NHANDLE_UNRECOGNIZED 0xFFFF __le16 timeout; __le16 dseg_count; /* Data segment count. */ uint8_t vp_index; uint8_t add_flags; le_id_t initiator_id; uint8_t reserved; __le32 exchange_addr; union { struct { __le16 reserved1; __le16 flags; __le32 residual; __le16 ox_id; __le16 scsi_status; __le32 relative_offset; __le32 reserved2; __le32 transfer_length; __le32 reserved3; struct dsd64 dsd; } status0; struct { __le16 sense_length; __le16 flags; __le32 residual; __le16 ox_id; __le16 scsi_status; __le16 response_len; __le16 reserved; uint8_t sense_data[24]; } status1; } u; } __packed; /* * ISP queue - CTIO type 7 from ISP 24xx to target driver * returned entry structure. */ struct ctio7_from_24xx { uint8_t entry_type; /* Entry type. */ uint8_t entry_count; /* Entry count. */ uint8_t sys_define; /* System defined. */ uint8_t entry_status; /* Entry Status. */ uint32_t handle; /* System defined handle */ __le16 status; __le16 timeout; __le16 dseg_count; /* Data segment count. */ uint8_t vp_index; uint8_t reserved1[5]; __le32 exchange_address; __le16 reserved2; __le16 flags; __le32 residual; __le16 ox_id; __le16 reserved3; __le32 relative_offset; uint8_t reserved4[24]; } __packed; /* CTIO7 flags values */ #define CTIO7_FLAGS_SEND_STATUS BIT_15 #define CTIO7_FLAGS_TERMINATE BIT_14 #define CTIO7_FLAGS_CONFORM_REQ BIT_13 #define CTIO7_FLAGS_DONT_RET_CTIO BIT_8 #define CTIO7_FLAGS_STATUS_MODE_0 0 #define CTIO7_FLAGS_STATUS_MODE_1 BIT_6 #define CTIO7_FLAGS_STATUS_MODE_2 BIT_7 #define CTIO7_FLAGS_EXPLICIT_CONFORM BIT_5 #define CTIO7_FLAGS_CONFIRM_SATISF BIT_4 #define CTIO7_FLAGS_DSD_PTR BIT_2 #define CTIO7_FLAGS_DATA_IN BIT_1 /* data to initiator */ #define CTIO7_FLAGS_DATA_OUT BIT_0 /* data from initiator */ #define ELS_PLOGI 0x3 #define ELS_FLOGI 0x4 #define ELS_LOGO 0x5 #define ELS_PRLI 0x20 #define ELS_PRLO 0x21 #define ELS_TPRLO 0x24 #define ELS_PDISC 0x50 #define ELS_ADISC 0x52 /* *CTIO Type CRC_2 IOCB */ struct ctio_crc2_to_fw { uint8_t entry_type; /* Entry type. */ #define CTIO_CRC2 0x7A uint8_t entry_count; /* Entry count. */ uint8_t sys_define; /* System defined. */ uint8_t entry_status; /* Entry Status. */ uint32_t handle; /* System handle. */ __le16 nport_handle; /* N_PORT handle. */ __le16 timeout; /* Command timeout. */ __le16 dseg_count; /* Data segment count. */ uint8_t vp_index; uint8_t add_flags; /* additional flags */ #define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3 le_id_t initiator_id; /* initiator ID */ uint8_t reserved1; __le32 exchange_addr; /* rcv exchange address */ __le16 reserved2; __le16 flags; /* refer to CTIO7 flags values */ __le32 residual; __le16 ox_id; __le16 scsi_status; __le32 relative_offset; __le32 reserved5; __le32 transfer_length; /* total fc transfer length */ __le32 reserved6; __le64 crc_context_address __packed; /* Data segment address. */ __le16 crc_context_len; /* Data segment length. */ __le16 reserved_1; /* MUST be set to 0. */ }; /* CTIO Type CRC_x Status IOCB */ struct ctio_crc_from_fw { uint8_t entry_type; /* Entry type. */ uint8_t entry_count; /* Entry count. */ uint8_t sys_define; /* System defined. */ uint8_t entry_status; /* Entry Status. */ uint32_t handle; /* System handle. */ __le16 status; __le16 timeout; /* Command timeout. */ __le16 dseg_count; /* Data segment count. */ __le32 reserved1; __le16 state_flags; #define CTIO_CRC_SF_DIF_CHOPPED BIT_4 __le32 exchange_address; /* rcv exchange address */ __le16 reserved2; __le16 flags; __le32 resid_xfer_length; __le16 ox_id; uint8_t reserved3[12]; __le16 runt_guard; /* reported runt blk guard */ uint8_t actual_dif[8]; uint8_t expected_dif[8]; } __packed; /* * ISP queue - ABTS received/response entries structure definition for 24xx. */ #define ABTS_RECV_24XX 0x54 /* ABTS received (for 24xx) */ #define ABTS_RESP_24XX 0x55 /* ABTS responce (for 24xx) */ /* * ISP queue - ABTS received IOCB entry structure definition for 24xx. * The ABTS BLS received from the wire is sent to the * target driver by the ISP 24xx. * The IOCB is placed on the response queue. */ struct abts_recv_from_24xx { uint8_t entry_type; /* Entry type. */ uint8_t entry_count; /* Entry count. */ uint8_t sys_define; /* System defined. */ uint8_t entry_status; /* Entry Status. */ uint8_t reserved_1[6]; __le16 nport_handle; uint8_t reserved_2[2]; uint8_t vp_index; uint8_t reserved_3:4; uint8_t sof_type:4; __le32 exchange_address; struct fcp_hdr_le fcp_hdr_le; uint8_t reserved_4[16]; __le32 exchange_addr_to_abort; } __packed; #define ABTS_PARAM_ABORT_SEQ BIT_0 struct ba_acc_le { __le16 reserved; uint8_t seq_id_last; uint8_t seq_id_valid; #define SEQ_ID_VALID 0x80 #define SEQ_ID_INVALID 0x00 __le16 rx_id; __le16 ox_id; __le16 high_seq_cnt; __le16 low_seq_cnt; } __packed; struct ba_rjt_le { uint8_t vendor_uniq; uint8_t reason_expl; uint8_t reason_code; #define BA_RJT_REASON_CODE_INVALID_COMMAND 0x1 #define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM 0x9 uint8_t reserved; } __packed; /* * ISP queue - ABTS Response IOCB entry structure definition for 24xx. * The ABTS response to the ABTS received is sent by the * target driver to the ISP 24xx. * The IOCB is placed on the request queue. */ struct abts_resp_to_24xx { uint8_t entry_type; /* Entry type. */ uint8_t entry_count; /* Entry count. */ uint8_t sys_define; /* System defined. */ uint8_t entry_status; /* Entry Status. */ uint32_t handle; __le16 reserved_1; __le16 nport_handle; __le16 control_flags; #define ABTS_CONTR_FLG_TERM_EXCHG BIT_0 uint8_t vp_index; uint8_t reserved_3:4; uint8_t sof_type:4; __le32 exchange_address; struct fcp_hdr_le fcp_hdr_le; union { struct ba_acc_le ba_acct; struct ba_rjt_le ba_rjt; } __packed payload; __le32 reserved_4; __le32 exchange_addr_to_abort; } __packed; /* * ISP queue - ABTS Response IOCB from ISP24xx Firmware entry structure. * The ABTS response with completion status to the ABTS response * (sent by the target driver to the ISP 24xx) is sent by the * ISP24xx firmware to the target driver. * The IOCB is placed on the response queue. */ struct abts_resp_from_24xx_fw { uint8_t entry_type; /* Entry type. */ uint8_t entry_count; /* Entry count. */ uint8_t sys_define; /* System defined. */ uint8_t entry_status; /* Entry Status. */ uint32_t handle; __le16 compl_status; #define ABTS_RESP_COMPL_SUCCESS 0 #define ABTS_RESP_COMPL_SUBCODE_ERROR 0x31 __le16 nport_handle; __le16 reserved_1; uint8_t reserved_2; uint8_t reserved_3:4; uint8_t sof_type:4; __le32 exchange_address; struct fcp_hdr_le fcp_hdr_le; uint8_t reserved_4[8]; __le32 error_subcode1; #define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM 0x1E __le32 error_subcode2; __le32 exchange_addr_to_abort; } __packed; /********************************************************************\ * Type Definitions used by initiator & target halves \********************************************************************/ struct qla_tgt_mgmt_cmd; struct fc_port; struct qla_tgt_cmd; /* * This structure provides a template of function calls that the * target driver (from within qla_target.c) can issue to the * target module (tcm_qla2xxx). */ struct qla_tgt_func_tmpl { struct qla_tgt_cmd *(*find_cmd_by_tag)(struct fc_port *, uint64_t); int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *, unsigned char *, uint32_t, int, int, int); void (*handle_data)(struct qla_tgt_cmd *); int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, u64, uint16_t, uint32_t); struct qla_tgt_cmd *(*get_cmd)(struct fc_port *); void (*rel_cmd)(struct qla_tgt_cmd *); void (*free_cmd)(struct qla_tgt_cmd *); void (*free_mcmd)(struct qla_tgt_mgmt_cmd *); void (*free_session)(struct fc_port *); int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *, struct fc_port *); void (*update_sess)(struct fc_port *, port_id_t, uint16_t, bool); struct fc_port *(*find_sess_by_loop_id)(struct scsi_qla_host *, const uint16_t); struct fc_port *(*find_sess_by_s_id)(struct scsi_qla_host *, const be_id_t); void (*clear_nacl_from_fcport_map)(struct fc_port *); void (*put_sess)(struct fc_port *); void (*shutdown_sess)(struct fc_port *); int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts); int (*chk_dif_tags)(uint32_t tag); void (*add_target)(struct scsi_qla_host *); void (*remove_target)(struct scsi_qla_host *); }; int qla2x00_wait_for_hba_online(struct scsi_qla_host *); #include <target/target_core_base.h> #define QLA_TGT_TIMEOUT 10 /* in seconds */ #define QLA_TGT_MAX_HW_PENDING_TIME 60 /* in seconds */ /* Immediate notify status constants */ #define IMM_NTFY_LIP_RESET 0x000E #define IMM_NTFY_LIP_LINK_REINIT 0x000F #define IMM_NTFY_IOCB_OVERFLOW 0x0016 #define IMM_NTFY_ABORT_TASK 0x0020 #define IMM_NTFY_PORT_LOGOUT 0x0029 #define IMM_NTFY_PORT_CONFIG 0x002A #define IMM_NTFY_GLBL_TPRLO 0x002D #define IMM_NTFY_GLBL_LOGO 0x002E #define IMM_NTFY_RESOURCE 0x0034 #define IMM_NTFY_MSG_RX 0x0036 #define IMM_NTFY_SRR 0x0045 #define IMM_NTFY_ELS 0x0046 /* Immediate notify task flags */ #define IMM_NTFY_TASK_MGMT_SHIFT 8 #define QLA_TGT_CLEAR_ACA 0x40 #define QLA_TGT_TARGET_RESET 0x20 #define QLA_TGT_LUN_RESET 0x10 #define QLA_TGT_CLEAR_TS 0x04 #define QLA_TGT_ABORT_TS 0x02 #define QLA_TGT_ABORT_ALL_SESS 0xFFFF #define QLA_TGT_ABORT_ALL 0xFFFE #define QLA_TGT_NEXUS_LOSS_SESS 0xFFFD #define QLA_TGT_NEXUS_LOSS 0xFFFC #define QLA_TGT_ABTS 0xFFFB #define QLA_TGT_2G_ABORT_TASK 0xFFFA /* Notify Acknowledge flags */ #define NOTIFY_ACK_RES_COUNT BIT_8 #define NOTIFY_ACK_CLEAR_LIP_RESET BIT_5 #define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4 /* Command's states */ #define QLA_TGT_STATE_NEW 0 /* New command + target processing */ #define QLA_TGT_STATE_NEED_DATA 1 /* target needs data to continue */ #define QLA_TGT_STATE_DATA_IN 2 /* Data arrived + target processing */ #define QLA_TGT_STATE_PROCESSED 3 /* target done processing */ /* ATIO task_codes field */ #define ATIO_SIMPLE_QUEUE 0 #define ATIO_HEAD_OF_QUEUE 1 #define ATIO_ORDERED_QUEUE 2 #define ATIO_ACA_QUEUE 4 #define ATIO_UNTAGGED 5 /* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */ #define FC_TM_SUCCESS 0 #define FC_TM_BAD_FCP_DATA 1 #define FC_TM_BAD_CMD 2 #define FC_TM_FCP_DATA_MISMATCH 3 #define FC_TM_REJECT 4 #define FC_TM_FAILED 5 #define QLA_TGT_SENSE_VALID(sense) ((sense != NULL) && \ (((const uint8_t *)(sense))[0] & 0x70) == 0x70) struct qla_port_24xx_data { uint8_t port_name[WWN_SIZE]; uint16_t loop_id; uint16_t reserved; }; struct qla_qpair_hint { struct list_head hint_elem; struct qla_qpair *qpair; u16 cpuid; uint8_t cmd_cnt; }; struct qla_tgt { struct scsi_qla_host *vha; struct qla_hw_data *ha; struct btree_head64 lun_qpair_map; struct qla_qpair_hint *qphints; /* * To sync between IRQ handlers and qlt_target_release(). Needed, * because req_pkt() can drop/reaquire HW lock inside. Protected by * HW lock. */ int atio_irq_cmd_count; int sg_tablesize; /* Target's flags, serialized by pha->hardware_lock */ unsigned int link_reinit_iocb_pending:1; /* * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex * OR hardware_lock for reading. */ int tgt_stop; /* the target mode driver is being stopped */ int tgt_stopped; /* the target mode driver has been stopped */ /* Count of sessions refering qla_tgt. Protected by hardware_lock. */ int sess_count; /* Protected by hardware_lock */ struct list_head del_sess_list; spinlock_t sess_work_lock; struct list_head sess_works_list; struct work_struct sess_work; struct imm_ntfy_from_isp link_reinit_iocb; wait_queue_head_t waitQ; int notify_ack_expected; int abts_resp_expected; int modify_lun_expected; atomic_t tgt_global_resets_count; struct list_head tgt_list_entry; }; struct qla_tgt_sess_op { struct scsi_qla_host *vha; uint32_t chip_reset; struct atio_from_isp atio; struct work_struct work; struct list_head cmd_list; bool aborted; struct rsp_que *rsp; }; enum trace_flags { TRC_NEW_CMD = BIT_0, TRC_DO_WORK = BIT_1, TRC_DO_WORK_ERR = BIT_2, TRC_XFR_RDY = BIT_3, TRC_XMIT_DATA = BIT_4, TRC_XMIT_STATUS = BIT_5, TRC_SRR_RSP = BIT_6, TRC_SRR_XRDY = BIT_7, TRC_SRR_TERM = BIT_8, TRC_SRR_CTIO = BIT_9, TRC_FLUSH = BIT_10, TRC_CTIO_ERR = BIT_11, TRC_CTIO_DONE = BIT_12, TRC_CTIO_ABORTED = BIT_13, TRC_CTIO_STRANGE = BIT_14, TRC_CMD_DONE = BIT_15, TRC_CMD_CHK_STOP = BIT_16, TRC_CMD_FREE = BIT_17, TRC_DATA_IN = BIT_18, TRC_ABORT = BIT_19, TRC_DIF_ERR = BIT_20, }; struct qla_tgt_cmd { /* * Do not move cmd_type field. it needs to line up with srb->cmd_type */ uint8_t cmd_type; uint8_t pad[7]; struct se_cmd se_cmd; struct fc_port *sess; struct qla_qpair *qpair; uint32_t reset_count; int state; struct work_struct work; /* Sense buffer that will be mapped into outgoing status */ unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER]; spinlock_t cmd_lock; /* to save extra sess dereferences */ unsigned int conf_compl_supported:1; unsigned int sg_mapped:1; unsigned int free_sg:1; unsigned int write_data_transferred:1; unsigned int q_full:1; unsigned int term_exchg:1; unsigned int cmd_sent_to_fw:1; unsigned int cmd_in_wq:1; /* * This variable may be set from outside the LIO and I/O completion * callback functions. Do not declare this member variable as a * bitfield to avoid a read-modify-write operation when this variable * is set. */ unsigned int aborted; struct scatterlist *sg; /* cmd data buffer SG vector */ int sg_cnt; /* SG segments count */ int bufflen; /* cmd buffer length */ int offset; u64 unpacked_lun; enum dma_data_direction dma_data_direction; uint16_t ctio_flags; uint16_t vp_idx; uint16_t loop_id; /* to save extra sess dereferences */ struct qla_tgt *tgt; /* to save extra sess dereferences */ struct scsi_qla_host *vha; struct list_head cmd_list; struct atio_from_isp atio; uint8_t ctx_dsd_alloced; /* T10-DIF */ #define DIF_ERR_NONE 0 #define DIF_ERR_GRD 1 #define DIF_ERR_REF 2 #define DIF_ERR_APP 3 int8_t dif_err_code; struct scatterlist *prot_sg; uint32_t prot_sg_cnt; uint32_t blk_sz, num_blks; uint8_t scsi_status, sense_key, asc, ascq; struct crc_context *ctx; const uint8_t *cdb; uint64_t lba; uint16_t a_guard, e_guard, a_app_tag, e_app_tag; uint32_t a_ref_tag, e_ref_tag; #define DIF_BUNDL_DMA_VALID 1 uint16_t prot_flags; uint64_t jiffies_at_alloc; uint64_t jiffies_at_free; enum trace_flags trc_flags; }; struct qla_tgt_sess_work_param { struct list_head sess_works_list_entry; #define QLA_TGT_SESS_WORK_ABORT 1 #define QLA_TGT_SESS_WORK_TM 2 int type; union { struct abts_recv_from_24xx abts; struct imm_ntfy_from_isp tm_iocb; struct atio_from_isp tm_iocb2; }; }; struct qla_tgt_mgmt_cmd { uint8_t cmd_type; uint8_t pad[3]; uint16_t tmr_func; uint8_t fc_tm_rsp; uint8_t abort_io_attr; struct fc_port *sess; struct qla_qpair *qpair; struct scsi_qla_host *vha; struct se_cmd se_cmd; struct work_struct free_work; unsigned int flags; #define QLA24XX_MGMT_SEND_NACK BIT_0 #define QLA24XX_MGMT_ABORT_IO_ATTR_VALID BIT_1 uint32_t reset_count; struct work_struct work; uint64_t unpacked_lun; union { struct atio_from_isp atio; struct imm_ntfy_from_isp imm_ntfy; struct abts_recv_from_24xx abts; } __packed orig_iocb; }; struct qla_tgt_prm { struct qla_tgt_cmd *cmd; struct qla_tgt *tgt; void *pkt; struct scatterlist *sg; /* cmd data buffer SG vector */ unsigned char *sense_buffer; int seg_cnt; int req_cnt; uint16_t rq_result; int sense_buffer_len; int residual; int add_status_pkt; /* dif */ struct scatterlist *prot_sg; uint16_t prot_seg_cnt; uint16_t tot_dsds; }; /* Check for Switch reserved address */ #define IS_SW_RESV_ADDR(_s_id) \ ((_s_id.b.domain == 0xff) && ((_s_id.b.area & 0xf0) == 0xf0)) #define QLA_TGT_XMIT_DATA 1 #define QLA_TGT_XMIT_STATUS 2 #define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA) extern struct qla_tgt_data qla_target; /* * Function prototypes for qla_target.c logic used by qla2xxx LLD code. */ extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *); extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *); extern int qlt_lport_register(void *, u64, u64, u64, int (*callback)(struct scsi_qla_host *, void *, u64, u64)); extern void qlt_lport_deregister(struct scsi_qla_host *); extern void qlt_unreg_sess(struct fc_port *); extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *); extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int); extern int __init qlt_init(void); extern void qlt_exit(void); extern void qlt_update_vp_map(struct scsi_qla_host *, int); extern void qlt_free_session_done(struct work_struct *); /* * This macro is used during early initializations when host->active_mode * is not set. Right now, ha value is ignored. */ #define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED) extern int ql2x_ini_mode; static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha) { return ha->host->active_mode == MODE_TARGET; } static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha) { return ha->host->active_mode == MODE_INITIATOR; } static inline bool qla_dual_mode_enabled(struct scsi_qla_host *ha) { return (ha->host->active_mode == MODE_DUAL); } static inline uint32_t sid_to_key(const be_id_t s_id) { return s_id.domain << 16 | s_id.area << 8 | s_id.al_pa; } /* * Exported symbols from qla_target.c LLD logic used by qla2xxx code.. */ extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, struct rsp_que *, response_t *); extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *); extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t); extern int qlt_abort_cmd(struct qla_tgt_cmd *); extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *); extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *); extern void qlt_free_cmd(struct qla_tgt_cmd *cmd); extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *); extern void qlt_enable_vha(struct scsi_qla_host *); extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *); extern u8 qlt_rff_id(struct scsi_qla_host *); extern void qlt_init_atio_q_entries(struct scsi_qla_host *); extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *, uint8_t); extern void qlt_24xx_config_rings(struct scsi_qla_host *); extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *, struct nvram_24xx *); extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *, struct init_cb_24xx *); extern void qlt_81xx_config_nvram_stage2(struct scsi_qla_host *, struct init_cb_81xx *); extern void qlt_81xx_config_nvram_stage1(struct scsi_qla_host *, struct nvram_81xx *); extern int qlt_24xx_process_response_error(struct scsi_qla_host *, struct sts_entry_24xx *); extern void qlt_modify_vp_config(struct scsi_qla_host *, struct vp_config_entry_24xx *); extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *); extern int qlt_mem_alloc(struct qla_hw_data *); extern void qlt_mem_free(struct qla_hw_data *); extern int qlt_stop_phase1(struct qla_tgt *); extern void qlt_stop_phase2(struct qla_tgt *); extern irqreturn_t qla83xx_msix_atio_q(int, void *); extern void qlt_83xx_iospace_config(struct qla_hw_data *); extern int qlt_free_qfull_cmds(struct qla_qpair *); extern void qlt_logo_completion_handler(fc_port_t *, int); extern void qlt_do_generation_tick(struct scsi_qla_host *, int *); void qlt_send_resp_ctio(struct qla_qpair *, struct qla_tgt_cmd *, uint8_t, uint8_t, uint8_t, uint8_t); #endif /* __QLA_TARGET_H */
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