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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_target.h')
-rw-r--r--drivers/scsi/qla2xxx/qla_target.h439
1 files changed, 258 insertions, 181 deletions
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h
index 577e1786a3f1..61072fb41b29 100644
--- a/drivers/scsi/qla2xxx/qla_target.h
+++ b/drivers/scsi/qla2xxx/qla_target.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2004 - 2010 Vladislav Bolkhovitin <vst@vlnb.net>
* Copyright (C) 2004 - 2005 Leonid Stoljar
@@ -9,16 +10,6 @@
* Copyright (C) 2010-2011 Nicholas A. Bellinger <nab@kernel.org>
*
* Additional file for the target driver support.
- *
- * 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 is the global def file that is useful for including from the
@@ -29,6 +20,7 @@
#define __QLA_TARGET_H
#include "qla_def.h"
+#include "qla_dsd.h"
/*
* Must be changed on any change in any initiator visible interfaces or
@@ -124,7 +116,6 @@
(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) \
@@ -143,37 +134,37 @@ struct nack_to_isp {
uint8_t entry_status; /* Entry Status. */
union {
struct {
- uint32_t sys_define_2; /* System defined. */
+ __le32 sys_define_2; /* System defined. */
target_id_t target;
uint8_t target_id;
uint8_t reserved_1;
- uint16_t flags;
- uint16_t resp_code;
- uint16_t status;
- uint16_t task_flags;
- uint16_t seq_id;
- uint16_t srr_rx_id;
- uint32_t srr_rel_offs;
- uint16_t srr_ui;
- uint16_t srr_flags;
- uint16_t srr_reject_code;
+ __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;
- uint16_t nport_handle;
+ __le16 nport_handle;
uint16_t reserved_1;
- uint16_t flags;
- uint16_t srr_rx_id;
- uint16_t status;
+ __le16 flags;
+ __le16 srr_rx_id;
+ __le16 status;
uint8_t status_subcode;
uint8_t fw_handle;
- uint32_t exchange_address;
- uint32_t srr_rel_offs;
- uint16_t srr_ui;
- uint16_t srr_flags;
+ __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;
@@ -183,8 +174,9 @@ struct nack_to_isp {
} isp24;
} u;
uint8_t reserved[2];
- uint16_t ox_id;
+ __le16 ox_id;
} __packed;
+#define NOTIFY_ACK_FLAGS_FCSP BIT_5
#define NOTIFY_ACK_FLAGS_TERMINATE BIT_3
#define NOTIFY_ACK_SRR_FLAGS_ACCEPT 0
#define NOTIFY_ACK_SRR_FLAGS_REJECT 1
@@ -192,6 +184,7 @@ struct nack_to_isp {
#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_INVALID_OX_ID_RX_ID 0x17
#define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_UNABLE_TO_SUPPLY_DATA 0x2a
#define NOTIFY_ACK_SUCCESS 0x01
@@ -214,22 +207,17 @@ struct ctio_to_2xxx {
uint8_t entry_status; /* Entry Status. */
uint32_t handle; /* System defined handle */
target_id_t target;
- uint16_t rx_id;
- uint16_t flags;
- uint16_t status;
- uint16_t timeout; /* 0 = 30 seconds, 0xFFFF = disable */
- uint16_t dseg_count; /* Data segment count. */
- uint32_t relative_offset;
- uint32_t residual;
- uint16_t reserved_1[3];
- uint16_t scsi_status;
- uint32_t transfer_length;
- uint32_t dseg_0_address; /* Data segment 0 address. */
- uint32_t dseg_0_length; /* Data segment 0 length. */
- uint32_t dseg_1_address; /* Data segment 1 address. */
- uint32_t dseg_1_length; /* Data segment 1 length. */
- uint32_t dseg_2_address; /* Data segment 2 address. */
- uint32_t dseg_2_length; /* Data segment 2 length. */
+ __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
@@ -252,17 +240,22 @@ struct ctio_to_2xxx {
#define CTIO_PORT_LOGGED_OUT 0x29
#define CTIO_PORT_CONF_CHANGED 0x2A
#define CTIO_SRR_RECEIVED 0x45
+#define CTIO_FAST_AUTH_ERR 0x63
+#define CTIO_FAST_INCOMP_PAD_LEN 0x65
+#define CTIO_FAST_INVALID_REQ 0x66
+#define CTIO_FAST_SPI_ERR 0x67
#endif
#ifndef CTIO_RET_TYPE
#define CTIO_RET_TYPE 0x17 /* CTIO return entry */
#define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */
+#endif
struct fcp_hdr {
uint8_t r_ctl;
- uint8_t d_id[3];
+ be_id_t d_id;
uint8_t cs_ctl;
- uint8_t s_id[3];
+ be_id_t s_id;
uint8_t type;
uint8_t f_ctl[3];
uint8_t seq_id;
@@ -270,23 +263,23 @@ struct fcp_hdr {
uint16_t seq_cnt;
__be16 ox_id;
uint16_t rx_id;
- uint32_t parameter;
-} __packed;
+ __le32 parameter;
+};
struct fcp_hdr_le {
- uint8_t d_id[3];
+ le_id_t d_id;
uint8_t r_ctl;
- uint8_t s_id[3];
+ le_id_t s_id;
uint8_t cs_ctl;
uint8_t f_ctl[3];
uint8_t type;
- uint16_t seq_cnt;
+ __le16 seq_cnt;
uint8_t df_ctl;
uint8_t seq_id;
- uint16_t rx_id;
- uint16_t ox_id;
- uint32_t parameter;
-} __packed;
+ __le16 rx_id;
+ __le16 ox_id;
+ __le32 parameter;
+};
#define F_CTL_EXCH_CONTEXT_RESP BIT_23
#define F_CTL_SEQ_CONTEXT_RESIP BIT_22
@@ -319,7 +312,7 @@ struct atio7_fcp_cmnd {
* BUILD_BUG_ON in qlt_init().
*/
uint8_t add_cdb[4];
- /* uint32_t data_length; */
+ /* __le32 data_length; */
} __packed;
/*
@@ -329,31 +322,31 @@ struct atio7_fcp_cmnd {
struct atio_from_isp {
union {
struct {
- uint16_t entry_hdr;
+ __le16 entry_hdr;
uint8_t sys_define; /* System defined. */
uint8_t entry_status; /* Entry Status. */
- uint32_t sys_define_2; /* System defined. */
+ __le32 sys_define_2; /* System defined. */
target_id_t target;
- uint16_t rx_id;
- uint16_t flags;
- uint16_t status;
+ __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];
- uint32_t data_length;
- uint16_t lun;
+ __le32 data_length;
+ __le16 lun;
uint8_t initiator_port_name[WWN_SIZE]; /* on qla23xx */
- uint16_t reserved_32[6];
- uint16_t ox_id;
+ __le16 reserved_32[6];
+ __le16 ox_id;
} isp2x;
struct {
- uint16_t entry_hdr;
+ __le16 entry_hdr;
uint8_t fcp_cmnd_len_low;
uint8_t fcp_cmnd_len_high:4;
uint8_t attr:4;
- uint32_t exchange_addr;
+ __le32 exchange_addr;
#define ATIO_EXCHANGE_ADDRESS_UNKNOWN 0xFFFFFFFF
struct fcp_hdr fcp_hdr;
struct atio7_fcp_cmnd fcp_cmnd;
@@ -365,7 +358,7 @@ struct atio_from_isp {
#define FCP_CMD_LENGTH_MASK 0x0fff
#define FCP_CMD_LENGTH_MIN 0x38
uint8_t data[56];
- uint32_t signature;
+ __le32 signature;
#define ATIO_PROCESSED 0xDEADDEAD /* Signature */
} raw;
} u;
@@ -392,8 +385,7 @@ static inline int get_datalen_for_atio(struct atio_from_isp *atio)
{
int len = atio->u.isp24.fcp_cmnd.add_cdb_len;
- return (be32_to_cpu(get_unaligned((uint32_t *)
- &atio->u.isp24.fcp_cmnd.add_cdb[len * 4])));
+ return get_unaligned_be32(&atio->u.isp24.fcp_cmnd.add_cdb[len * 4]);
}
#define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */
@@ -409,39 +401,45 @@ struct ctio7_to_24xx {
uint8_t sys_define; /* System defined. */
uint8_t entry_status; /* Entry Status. */
uint32_t handle; /* System defined handle */
- uint16_t nport_handle;
+ __le16 nport_handle;
#define CTIO7_NHANDLE_UNRECOGNIZED 0xFFFF
- uint16_t timeout;
- uint16_t dseg_count; /* Data segment count. */
+ __le16 timeout;
+ __le16 dseg_count; /* Data segment count. */
uint8_t vp_index;
uint8_t add_flags;
- uint8_t initiator_id[3];
+ le_id_t initiator_id;
uint8_t reserved;
- uint32_t exchange_addr;
+ __le32 exchange_addr;
union {
struct {
- uint16_t reserved1;
+ __le16 reserved1;
__le16 flags;
- uint32_t residual;
+ union {
+ __le32 residual;
+ struct {
+ uint8_t rsvd1;
+ uint8_t edif_flags;
+#define EF_EN_EDIF BIT_0
+#define EF_NEW_SA BIT_1
+ uint16_t rsvd2;
+ };
+ };
__le16 ox_id;
- uint16_t scsi_status;
- uint32_t relative_offset;
- uint32_t reserved2;
- uint32_t transfer_length;
- uint32_t reserved3;
- /* Data segment 0 address. */
- uint32_t dseg_0_address[2];
- /* Data segment 0 length. */
- uint32_t dseg_0_length;
+ __le16 scsi_status;
+ __le32 relative_offset;
+ __le32 reserved2;
+ __le32 transfer_length;
+ __le32 reserved3;
+ struct dsd64 dsd;
} status0;
struct {
- uint16_t sense_length;
+ __le16 sense_length;
__le16 flags;
- uint32_t residual;
+ __le32 residual;
__le16 ox_id;
- uint16_t scsi_status;
- uint16_t response_len;
- uint16_t reserved;
+ __le16 scsi_status;
+ __le16 response_len;
+ __le16 reserved;
uint8_t sense_data[24];
} status1;
} u;
@@ -457,18 +455,18 @@ struct ctio7_from_24xx {
uint8_t sys_define; /* System defined. */
uint8_t entry_status; /* Entry Status. */
uint32_t handle; /* System defined handle */
- uint16_t status;
- uint16_t timeout;
- uint16_t dseg_count; /* Data segment count. */
+ __le16 status;
+ __le16 timeout;
+ __le16 dseg_count; /* Data segment count. */
uint8_t vp_index;
uint8_t reserved1[5];
- uint32_t exchange_address;
- uint16_t reserved2;
- uint16_t flags;
- uint32_t residual;
- uint16_t ox_id;
- uint16_t reserved3;
- uint32_t relative_offset;
+ __le32 exchange_address;
+ __le16 edif_sa_index;
+ __le16 flags;
+ __le32 residual;
+ __le16 ox_id;
+ __le16 reserved3;
+ __le32 relative_offset;
uint8_t reserved4[24];
} __packed;
@@ -506,30 +504,30 @@ struct ctio_crc2_to_fw {
uint8_t entry_status; /* Entry Status. */
uint32_t handle; /* System handle. */
- uint16_t nport_handle; /* N_PORT handle. */
+ __le16 nport_handle; /* N_PORT handle. */
__le16 timeout; /* Command timeout. */
- uint16_t dseg_count; /* Data segment count. */
+ __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
- uint8_t initiator_id[3]; /* initiator ID */
+ le_id_t initiator_id; /* initiator ID */
uint8_t reserved1;
- uint32_t exchange_addr; /* rcv exchange address */
- uint16_t reserved2;
+ __le32 exchange_addr; /* rcv exchange address */
+ __le16 reserved2;
__le16 flags; /* refer to CTIO7 flags values */
- uint32_t residual;
+ __le32 residual;
__le16 ox_id;
- uint16_t scsi_status;
+ __le16 scsi_status;
__le32 relative_offset;
- uint32_t reserved5;
+ __le32 reserved5;
__le32 transfer_length; /* total fc transfer length */
- uint32_t reserved6;
- __le32 crc_context_address[2];/* Data segment address. */
- uint16_t crc_context_len; /* Data segment length. */
- uint16_t reserved_1; /* MUST be set to 0. */
-} __packed;
+ __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 {
@@ -539,20 +537,20 @@ struct ctio_crc_from_fw {
uint8_t entry_status; /* Entry Status. */
uint32_t handle; /* System handle. */
- uint16_t status;
- uint16_t timeout; /* Command timeout. */
- uint16_t dseg_count; /* Data segment count. */
- uint32_t reserved1;
- uint16_t state_flags;
+ __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
- uint32_t exchange_address; /* rcv exchange address */
- uint16_t reserved2;
- uint16_t flags;
- uint32_t resid_xfer_length;
- uint16_t ox_id;
+ __le32 exchange_address; /* rcv exchange address */
+ __le16 reserved2;
+ __le16 flags;
+ __le32 resid_xfer_length;
+ __le16 ox_id;
uint8_t reserved3[12];
- uint16_t runt_guard; /* reported runt blk guard */
+ __le16 runt_guard; /* reported runt blk guard */
uint8_t actual_dif[8];
uint8_t expected_dif[8];
} __packed;
@@ -575,29 +573,29 @@ struct abts_recv_from_24xx {
uint8_t sys_define; /* System defined. */
uint8_t entry_status; /* Entry Status. */
uint8_t reserved_1[6];
- uint16_t nport_handle;
+ __le16 nport_handle;
uint8_t reserved_2[2];
uint8_t vp_index;
uint8_t reserved_3:4;
uint8_t sof_type:4;
- uint32_t exchange_address;
+ __le32 exchange_address;
struct fcp_hdr_le fcp_hdr_le;
uint8_t reserved_4[16];
- uint32_t exchange_addr_to_abort;
+ __le32 exchange_addr_to_abort;
} __packed;
#define ABTS_PARAM_ABORT_SEQ BIT_0
struct ba_acc_le {
- uint16_t reserved;
+ __le16 reserved;
uint8_t seq_id_last;
uint8_t seq_id_valid;
#define SEQ_ID_VALID 0x80
#define SEQ_ID_INVALID 0x00
- uint16_t rx_id;
- uint16_t ox_id;
- uint16_t high_seq_cnt;
- uint16_t low_seq_cnt;
+ __le16 rx_id;
+ __le16 ox_id;
+ __le16 high_seq_cnt;
+ __le16 low_seq_cnt;
} __packed;
struct ba_rjt_le {
@@ -621,21 +619,21 @@ struct abts_resp_to_24xx {
uint8_t sys_define; /* System defined. */
uint8_t entry_status; /* Entry Status. */
uint32_t handle;
- uint16_t reserved_1;
- uint16_t nport_handle;
- uint16_t control_flags;
+ __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;
- uint32_t exchange_address;
+ __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;
- uint32_t reserved_4;
- uint32_t exchange_addr_to_abort;
+ __le32 reserved_4;
+ __le32 exchange_addr_to_abort;
} __packed;
/*
@@ -651,21 +649,21 @@ struct abts_resp_from_24xx_fw {
uint8_t sys_define; /* System defined. */
uint8_t entry_status; /* Entry Status. */
uint32_t handle;
- uint16_t compl_status;
+ __le16 compl_status;
#define ABTS_RESP_COMPL_SUCCESS 0
#define ABTS_RESP_COMPL_SUBCODE_ERROR 0x31
- uint16_t nport_handle;
- uint16_t reserved_1;
+ __le16 nport_handle;
+ __le16 reserved_1;
uint8_t reserved_2;
uint8_t reserved_3:4;
uint8_t sof_type:4;
- uint32_t exchange_address;
+ __le32 exchange_address;
struct fcp_hdr_le fcp_hdr_le;
uint8_t reserved_4[8];
- uint32_t error_subcode1;
+ __le32 error_subcode1;
#define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM 0x1E
- uint32_t error_subcode2;
- uint32_t exchange_addr_to_abort;
+ __le32 error_subcode2;
+ __le32 exchange_addr_to_abort;
} __packed;
/********************************************************************\
@@ -688,6 +686,10 @@ struct qla_tgt_func_tmpl {
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 *);
+ int (*get_cmd_ref)(struct qla_tgt_cmd *cmd);
+ void (*put_cmd_ref)(struct qla_tgt_cmd *cmd);
+ 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 *);
@@ -698,7 +700,7 @@ struct qla_tgt_func_tmpl {
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 uint8_t *);
+ 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 *);
@@ -755,6 +757,7 @@ int qla2x00_wait_for_hba_online(struct scsi_qla_host *);
#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 */
+#define QLA_TGT_STATE_DONE 4 /* cmd being freed */
/* ATIO task_codes field */
#define ATIO_SIMPLE_QUEUE 0
@@ -814,9 +817,6 @@ struct qla_tgt {
/* 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;
@@ -826,18 +826,26 @@ struct qla_tgt {
int notify_ack_expected;
int abts_resp_expected;
int modify_lun_expected;
+
+ spinlock_t srr_lock;
+ struct list_head srr_list;
+ struct work_struct srr_work;
+
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;
+
+ struct atio_from_isp atio;
+ /* DO NOT ADD ANYTHING ELSE HERE - atio must be last member */
};
enum trace_flags {
@@ -855,13 +863,14 @@ enum trace_flags {
TRC_CTIO_ERR = BIT_11,
TRC_CTIO_DONE = BIT_12,
TRC_CTIO_ABORTED = BIT_13,
- TRC_CTIO_STRANGE= BIT_14,
+ 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,
+ TRC_SRR_IMM = BIT_21,
};
struct qla_tgt_cmd {
@@ -871,6 +880,7 @@ struct qla_tgt_cmd {
uint8_t cmd_type;
uint8_t pad[7];
struct se_cmd se_cmd;
+ struct list_head sess_cmd_list;
struct fc_port *sess;
struct qla_qpair *qpair;
uint32_t reset_count;
@@ -879,21 +889,36 @@ struct qla_tgt_cmd {
/* 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;
+
+ /* Call qlt_free_sg() if set. */
unsigned int free_sg:1;
+
unsigned int write_data_transferred:1;
+
+ /* Set if the SCSI status was sent successfully. */
+ unsigned int rsp_sent:1;
+
unsigned int q_full:1;
unsigned int term_exchg:1;
unsigned int cmd_sent_to_fw:1;
unsigned int cmd_in_wq:1;
+ unsigned int edif:1;
+
+ /* Set if a SRR was rejected. */
+ unsigned int srr_failed:1;
+
+ /* Set if the exchange has been terminated. */
+ unsigned int sent_term_exchg:1;
+
+ /*
+ * Set if sent_term_exchg is set, or if the cmd was aborted by a TMR,
+ * or if some other error prevents normal processing of the command.
+ */
unsigned int aborted:1;
- unsigned int data_work:1;
- unsigned int data_work_free:1;
- unsigned int released:1;
+ struct qla_tgt_srr *srr;
struct scatterlist *sg; /* cmd data buffer SG vector */
int sg_cnt; /* SG segments count */
int bufflen; /* cmd buffer length */
@@ -926,8 +951,20 @@ struct qla_tgt_cmd {
struct crc_context *ctx;
uint8_t *cdb;
uint64_t lba;
+ int cdb_len;
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;
+
+ unsigned long jiffies_at_term_exchg;
+
+ /*
+ * jiffies64 when qlt_rdy_to_xfer() or qlt_xmit_response() first
+ * called, or 0 when not in those states. Used to limit the number of
+ * SRR retries.
+ */
+ uint64_t jiffies_at_hw_st_entry;
uint64_t jiffies_at_alloc;
uint64_t jiffies_at_free;
@@ -939,7 +976,6 @@ 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 {
@@ -963,6 +999,7 @@ struct qla_tgt_mgmt_cmd {
unsigned int flags;
#define QLA24XX_MGMT_SEND_NACK BIT_0
#define QLA24XX_MGMT_ABORT_IO_ATTR_VALID BIT_1
+#define QLA24XX_MGMT_LLD_OWNED BIT_2
uint32_t reset_count;
struct work_struct work;
uint64_t unpacked_lun;
@@ -991,6 +1028,45 @@ struct qla_tgt_prm {
uint16_t tot_dsds;
};
+/*
+ * SRR (Sequence Retransmission Request) - resend or re-receive some or all
+ * data or status to recover from a transient I/O error.
+ */
+struct qla_tgt_srr {
+ /*
+ * Copy of immediate notify SRR message received from hw; valid only if
+ * imm_ntfy_recvd is true.
+ */
+ struct imm_ntfy_from_isp imm_ntfy;
+
+ struct list_head srr_list_entry;
+
+ /* The command affected by this SRR, or NULL if not yet determined. */
+ struct qla_tgt_cmd *cmd;
+
+ /* Used to detect if the HBA has been reset since receiving the SRR. */
+ uint32_t reset_count;
+
+ /*
+ * The hardware sends two messages for each SRR - an immediate notify
+ * and a CTIO with CTIO_SRR_RECEIVED status. These keep track of which
+ * messages have been received. The SRR can be processed once both of
+ * these are true.
+ */
+ bool imm_ntfy_recvd;
+ bool ctio_recvd;
+
+ /*
+ * This is set to true if the affected command was aborted (cmd may be
+ * set to NULL), in which case the immediate notify exchange also needs
+ * to be aborted.
+ */
+ bool aborted;
+
+ /* This is set to true to force the SRR to be rejected. */
+ bool reject;
+};
+
/* Check for Switch reserved address */
#define IS_SW_RESV_ADDR(_s_id) \
((_s_id.b.domain == 0xff) && ((_s_id.b.area & 0xf0) == 0xf0))
@@ -1012,10 +1088,8 @@ extern int qlt_lport_register(void *, u64, 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
@@ -1040,22 +1114,25 @@ 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 uint8_t *s_id)
+static inline uint32_t sid_to_key(const be_id_t s_id)
{
- uint32_t key;
-
- key = (((unsigned long)s_id[0] << 16) |
- ((unsigned long)s_id[1] << 8) |
- (unsigned long)s_id[2]);
- return key;
+ return s_id.domain << 16 |
+ s_id.area << 8 |
+ s_id.al_pa;
}
-static inline void sid_to_portid(const uint8_t *s_id, port_id_t *p)
+/*
+ * Free the scatterlist allocated by qlt_set_data_offset(). Call this only if
+ * cmd->free_sg is set.
+ */
+static inline void qlt_free_sg(struct qla_tgt_cmd *cmd)
{
- memset(p, 0, sizeof(*p));
- p->b.domain = s_id[0];
- p->b.area = s_id[1];
- p->b.al_pa = s_id[2];
+ /*
+ * The scatterlist may be chained to the original scatterlist, but we
+ * only need to free the first segment here since that is the only part
+ * allocated by qlt_set_data_offset().
+ */
+ kfree(cmd->sg);
}
/*
@@ -1066,9 +1143,14 @@ extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, struct rsp_que *,
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 *);
+void qlt_srr_abort(struct qla_tgt_cmd *cmd, bool reject);
+void qlt_send_term_exchange(struct qla_qpair *qpair,
+ struct qla_tgt_cmd *cmd, struct atio_from_isp *atio, int ha_locked);
extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *);
+void qlt_free_ul_mcmd(struct qla_hw_data *ha, struct qla_tgt_mgmt_cmd *mcmd);
extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *);
extern void qlt_free_cmd(struct qla_tgt_cmd *cmd);
+extern void qlt_unmap_sg(struct scsi_qla_host *vha, 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 *);
@@ -1084,8 +1166,7 @@ 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 *);
+void qlt_config_nvram_with_fw_version(struct scsi_qla_host *vha);
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 *);
@@ -1094,14 +1175,10 @@ 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);
-extern void qlt_abort_cmd_on_host_reset(struct scsi_qla_host *,
- struct qla_tgt_cmd *);
#endif /* __QLA_TARGET_H */
generated by cgit (git 2.34.1) at 2025-12-27 17:29:42 +0000