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Commit 5d964837 authored by Quinn Tran's avatar Quinn Tran Committed by Nicholas Bellinger
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qla2xxx: Track I-T nexus as single fc_port struct 

Current code merges qla_tgt_sess and fc_port structure
into single fc_port structure representing same I-T nexus.
Signed-off-by: default avatarQuinn Tran <quinn.tran@cavium.com>
Signed-off-by: default avatarHimanshu Madhani <himanshu.madhani@cavium.com>
[ bvanassche: fixed spelling of patch description ]
Signed-off-by: default avatarBart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent 37cacc0a
Expand all Hide whitespace changes
Inline Side-by-side
Showing with 310 additions and 430 deletions
drivers/scsi/qla2xxx/qla_def.h
View file @ 5d964837
......@@ -1976,6 +1976,84 @@ struct mbx_entry {
uint8_t port_name[WWN_SIZE];
};
#ifndef IMMED_NOTIFY_TYPE
#define IMMED_NOTIFY_TYPE 0x0D /* Immediate notify entry. */
/*
* ISP queue - immediate notify entry structure definition.
* This is sent by the ISP to the Target driver.
* This IOCB would have report of events sent by the
* initiator, that needs to be handled by the target
* driver immediately.
*/
struct imm_ntfy_from_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 {
uint32_t sys_define_2; /* System defined. */
target_id_t target;
uint16_t lun;
uint8_t target_id;
uint8_t reserved_1;
uint16_t status_modifier;
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;
#define SRR_IU_DATA_IN 0x1
#define SRR_IU_DATA_OUT 0x5
#define SRR_IU_STATUS 0x7
uint16_t srr_ox_id;
uint8_t reserved_2[28];
} isp2x;
struct {
uint32_t reserved;
uint16_t nport_handle;
uint16_t reserved_2;
uint16_t flags;
#define NOTIFY24XX_FLAGS_GLOBAL_TPRLO BIT_1
#define NOTIFY24XX_FLAGS_PUREX_IOCB BIT_0
uint16_t srr_rx_id;
uint16_t 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_ox_id;
union {
struct {
uint8_t node_name[8];
} plogi; /* PLOGI/ADISC/PDISC */
struct {
/* PRLI word 3 bit 0-15 */
uint16_t wd3_lo;
uint8_t resv0[6];
} prli;
struct {
uint8_t port_id[3];
uint8_t resv1;
uint16_t nport_handle;
uint16_t resv2;
} req_els;
} u;
uint8_t port_name[8];
uint8_t resv3[3];
uint8_t vp_index;
uint32_t reserved_5;
uint8_t port_id[3];
uint8_t reserved_6;
} isp24;
} u;
uint16_t reserved_7;
uint16_t ox_id;
} __packed;
#endif
/*
* ISP request and response queue entry sizes
*/
......@@ -2026,7 +2104,7 @@ typedef struct {
/*
* Fibre channel port type.
*/
typedef enum {
typedef enum {
FCT_UNKNOWN,
FCT_RSCN,
FCT_SWITCH,
......@@ -2035,6 +2113,19 @@ typedef struct {
FCT_TARGET
} fc_port_type_t;
enum qlt_plogi_link_t {
QLT_PLOGI_LINK_SAME_WWN,
QLT_PLOGI_LINK_CONFLICT,
QLT_PLOGI_LINK_MAX
};
struct qlt_plogi_ack_t {
struct list_head list;
struct imm_ntfy_from_isp iocb;
port_id_t id;
int ref_count;
};
/*
* Fibre channel port structure.
*/
......@@ -2048,6 +2139,25 @@ typedef struct fc_port {
uint16_t loop_id;
uint16_t old_loop_id;
unsigned int conf_compl_supported:1;
unsigned int deleted:2;
unsigned int local:1;
unsigned int logout_on_delete:1;
unsigned int keep_nport_handle:1;
unsigned int send_els_logo:1;
unsigned char logout_completed;
int generation;
struct se_session *se_sess;
struct kref sess_kref;
struct qla_tgt *tgt;
unsigned long expires;
struct list_head del_list_entry;
struct work_struct free_work;
struct qlt_plogi_ack_t *plogi_link[QLT_PLOGI_LINK_MAX];
uint16_t tgt_id;
uint16_t old_tgt_id;
......
drivers/scsi/qla2xxx/qla_dfs.c
View file @ 5d964837
......@@ -18,7 +18,7 @@ qla2x00_dfs_tgt_sess_show(struct seq_file *s, void *unused)
scsi_qla_host_t *vha = s->private;
struct qla_hw_data *ha = vha->hw;
unsigned long flags;
struct qla_tgt_sess *sess = NULL;
struct fc_port *sess = NULL;
struct qla_tgt *tgt= vha->vha_tgt.qla_tgt;
seq_printf(s, "%s\n",vha->host_str);
......@@ -26,7 +26,7 @@ qla2x00_dfs_tgt_sess_show(struct seq_file *s, void *unused)
seq_printf(s, "Port ID Port Name Handle\n");
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
list_for_each_entry(sess, &tgt->sess_list, sess_list_entry)
list_for_each_entry(sess, &vha->vp_fcports, list)
seq_printf(s, "%02x:%02x:%02x %8phC %d\n",
sess->d_id.b.domain, sess->d_id.b.area,
sess->d_id.b.al_pa, sess->port_name,
......
drivers/scsi/qla2xxx/qla_init.c
View file @ 5d964837
......@@ -3352,12 +3352,6 @@ qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
"Unable to allocate fc remote port.\n");
return;
}
/*
* Create target mode FC NEXUS in qla_target.c if target mode is
* enabled..
*/
qlt_fc_port_added(vha, fcport);
spin_lock_irqsave(fcport->vha->host->host_lock, flags);
*((fc_port_t **)rport->dd_data) = fcport;
......@@ -3407,12 +3401,6 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
reg_port:
if (qla_ini_mode_enabled(vha))
qla2x00_reg_remote_port(vha, fcport);
else {
/*
* Create target mode FC NEXUS in qla_target.c
*/
qlt_fc_port_added(vha, fcport);
}
}
/*
......
drivers/scsi/qla2xxx/qla_iocb.c
View file @ 5d964837
......@@ -2248,7 +2248,7 @@ qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio)
logio->control_flags =
cpu_to_le16(LCF_COMMAND_LOGO|LCF_IMPL_LOGO);
if (!sp->fcport->tgt_session ||
!sp->fcport->tgt_session->keep_nport_handle)
!sp->fcport->keep_nport_handle)
logio->control_flags |= cpu_to_le16(LCF_FREE_NPORT);
logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
logio->port_id[0] = sp->fcport->d_id.b.al_pa;
......
drivers/scsi/qla2xxx/qla_target.c
View file @ 5d964837
This diff is collapsed.
drivers/scsi/qla2xxx/qla_target.h
View file @ 5d964837
......@@ -118,84 +118,6 @@
? le16_to_cpu((iocb)->u.isp2x.target.extended) \
: (uint16_t)(iocb)->u.isp2x.target.id.standard)
#ifndef IMMED_NOTIFY_TYPE
#define IMMED_NOTIFY_TYPE 0x0D /* Immediate notify entry. */
/*
* ISP queue - immediate notify entry structure definition.
* This is sent by the ISP to the Target driver.
* This IOCB would have report of events sent by the
* initiator, that needs to be handled by the target
* driver immediately.
*/
struct imm_ntfy_from_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 {
uint32_t sys_define_2; /* System defined. */
target_id_t target;
uint16_t lun;
uint8_t target_id;
uint8_t reserved_1;
uint16_t status_modifier;
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;
#define SRR_IU_DATA_IN 0x1
#define SRR_IU_DATA_OUT 0x5
#define SRR_IU_STATUS 0x7
uint16_t srr_ox_id;
uint8_t reserved_2[28];
} isp2x;
struct {
uint32_t reserved;
uint16_t nport_handle;
uint16_t reserved_2;
uint16_t flags;
#define NOTIFY24XX_FLAGS_GLOBAL_TPRLO BIT_1
#define NOTIFY24XX_FLAGS_PUREX_IOCB BIT_0
uint16_t srr_rx_id;
uint16_t 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_ox_id;
union {
struct {
uint8_t node_name[8];
} plogi; /* PLOGI/ADISC/PDISC */
struct {
/* PRLI word 3 bit 0-15 */
uint16_t wd3_lo;
uint8_t resv0[6];
} prli;
struct {
uint8_t port_id[3];
uint8_t resv1;
uint16_t nport_handle;
uint16_t resv2;
} req_els;
} u;
uint8_t port_name[8];
uint8_t resv3[3];
uint8_t vp_index;
uint32_t reserved_5;
uint8_t port_id[3];
uint8_t reserved_6;
} isp24;
} u;
uint16_t reserved_7;
uint16_t ox_id;
} __packed;
#endif
#ifndef NOTIFY_ACK_TYPE
#define NOTIFY_ACK_TYPE 0x0E /* Notify acknowledge entry. */
/*
......@@ -731,7 +653,7 @@ struct abts_resp_from_24xx_fw {
\********************************************************************/
struct qla_tgt_mgmt_cmd;
struct qla_tgt_sess;
struct fc_port;
/*
* This structure provides a template of function calls that the
......@@ -748,17 +670,18 @@ struct qla_tgt_func_tmpl {
uint32_t);
void (*free_cmd)(struct qla_tgt_cmd *);
void (*free_mcmd)(struct qla_tgt_mgmt_cmd *);
void (*free_session)(struct qla_tgt_sess *);
void (*free_session)(struct fc_port *);
int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *,
struct qla_tgt_sess *);
void (*update_sess)(struct qla_tgt_sess *, port_id_t, uint16_t, bool);
struct qla_tgt_sess *(*find_sess_by_loop_id)(struct scsi_qla_host *,
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 qla_tgt_sess *(*find_sess_by_s_id)(struct scsi_qla_host *,
struct fc_port *(*find_sess_by_s_id)(struct scsi_qla_host *,
const uint8_t *);
void (*clear_nacl_from_fcport_map)(struct qla_tgt_sess *);
void (*shutdown_sess)(struct qla_tgt_sess *);
void (*clear_nacl_from_fcport_map)(struct fc_port *);
void (*put_sess)(struct fc_port *);
void (*shutdown_sess)(struct fc_port *);
};
int qla2x00_wait_for_hba_online(struct scsi_qla_host *);
......@@ -874,9 +797,6 @@ struct qla_tgt {
/* Count of sessions refering qla_tgt. Protected by hardware_lock. */
int sess_count;
/* Protected by hardware_lock. Addition also protected by tgt_mutex. */
struct list_head sess_list;
/* Protected by hardware_lock */
struct list_head del_sess_list;
struct delayed_work sess_del_work;
......@@ -910,52 +830,6 @@ enum qla_sess_deletion {
QLA_SESS_DELETION_IN_PROGRESS = 2,
};
typedef enum {
QLT_PLOGI_LINK_SAME_WWN,
QLT_PLOGI_LINK_CONFLICT,
QLT_PLOGI_LINK_MAX
} qlt_plogi_link_t;
typedef struct {
struct list_head list;
struct imm_ntfy_from_isp iocb;
port_id_t id;
int ref_count;
} qlt_plogi_ack_t;
/*
* Equivilant to IT Nexus (Initiator-Target)
*/
struct qla_tgt_sess {
uint16_t loop_id;
port_id_t d_id;
unsigned int conf_compl_supported:1;
unsigned int deleted:2;
unsigned int local:1;
unsigned int logout_on_delete:1;
unsigned int keep_nport_handle:1;
unsigned int send_els_logo:1;
unsigned char logout_completed;
int generation;
struct se_session *se_sess;
struct kref sess_kref;
struct scsi_qla_host *vha;
struct qla_tgt *tgt;
struct list_head sess_list_entry;
unsigned long expires;
struct list_head del_list_entry;
uint8_t port_name[WWN_SIZE];
struct work_struct free_work;
qlt_plogi_ack_t *plogi_link[QLT_PLOGI_LINK_MAX];
};
enum trace_flags {
TRC_NEW_CMD = BIT_0,
TRC_DO_WORK = BIT_1,
......@@ -981,7 +855,7 @@ enum trace_flags {
struct qla_tgt_cmd {
struct se_cmd se_cmd;
struct qla_tgt_sess *sess;
struct fc_port *sess;
int state;
struct work_struct free_work;
struct work_struct work;
......@@ -1046,7 +920,7 @@ struct qla_tgt_sess_work_param {
struct qla_tgt_mgmt_cmd {
uint16_t tmr_func;
uint8_t fc_tm_rsp;
struct qla_tgt_sess *sess;
struct fc_port *sess;
struct se_cmd se_cmd;
struct work_struct free_work;
unsigned int flags;
......@@ -1097,7 +971,7 @@ 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 *);
void qlt_put_sess(struct qla_tgt_sess *sess);
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);
......
drivers/scsi/qla2xxx/tcm_qla2xxx.c
View file @ 5d964837
This diff is collapsed.
drivers/scsi/qla2xxx/tcm_qla2xxx.h
View file @ 5d964837
......@@ -20,8 +20,8 @@ struct tcm_qla2xxx_nacl {
u64 nport_wwnn;
/* ASCII formatted WWPN for FC Initiator Nport */
char nport_name[TCM_QLA2XXX_NAMELEN];
/* Pointer to qla_tgt_sess */
struct qla_tgt_sess *qla_tgt_sess;
/* Pointer to fc_port */
struct fc_port *fc_port;
/* Pointer to TCM FC nexus */
struct se_session *nport_nexus;
};
......
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