/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2007 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
LPFC_EVT_KILL,
LPFC_EVT_ELS_RETRY,
LPFC_EVT_DEV_LOSS,
+ LPFC_EVT_FASTPATH_MGMT_EVT,
};
/* structure used to queue event to the discovery tasklet */
enum lpfc_work_type evt;
};
+struct lpfc_scsi_check_condition_event;
+struct lpfc_scsi_varqueuedepth_event;
+struct lpfc_scsi_event_header;
+struct lpfc_fabric_event_header;
+struct lpfc_fcprdchkerr_event;
+
+/* structure used for sending events from fast path */
+struct lpfc_fast_path_event {
+ struct lpfc_work_evt work_evt;
+ struct lpfc_vport *vport;
+ union {
+ struct lpfc_scsi_check_condition_event check_cond_evt;
+ struct lpfc_scsi_varqueuedepth_event queue_depth_evt;
+ struct lpfc_scsi_event_header scsi_evt;
+ struct lpfc_fabric_event_header fabric_evt;
+ struct lpfc_fcprdchkerr_event read_check_error;
+ } un;
+};
struct lpfc_nodelist {
struct list_head nlp_listp;
uint8_t nlp_fcp_info; /* class info, bits 0-3 */
#define NLP_FCP_2_DEVICE 0x10 /* FCP-2 device */
+ uint16_t nlp_usg_map; /* ndlp management usage bitmap */
+#define NLP_USG_NODE_ACT_BIT 0x1 /* Indicate ndlp is actively used */
+#define NLP_USG_IACT_REQ_BIT 0x2 /* Request to inactivate ndlp */
+#define NLP_USG_FREE_REQ_BIT 0x4 /* Request to invoke ndlp memory free */
+#define NLP_USG_FREE_ACK_BIT 0x8 /* Indicate ndlp memory free invoked */
+
struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */
struct fc_rport *rport; /* Corresponding FC transport
port structure */
unsigned long last_ramp_up_time; /* jiffy of last ramp up */
unsigned long last_q_full_time; /* jiffy of last queue full */
struct kref kref;
+ atomic_t cmd_pending;
+ uint32_t cmd_qdepth;
+ unsigned long last_change_time;
+ struct lpfc_scsicmd_bkt *lat_data; /* Latency data */
};
/* Defines for nlp_flag (uint32) */
-#define NLP_PLOGI_SND 0x20 /* sent PLOGI request for this entry */
-#define NLP_PRLI_SND 0x40 /* sent PRLI request for this entry */
-#define NLP_ADISC_SND 0x80 /* sent ADISC request for this entry */
-#define NLP_LOGO_SND 0x100 /* sent LOGO request for this entry */
-#define NLP_RNID_SND 0x400 /* sent RNID request for this entry */
-#define NLP_ELS_SND_MASK 0x7e0 /* sent ELS request for this entry */
-#define NLP_DEFER_RM 0x10000 /* Remove this ndlp if no longer used */
-#define NLP_DELAY_TMO 0x20000 /* delay timeout is running for node */
-#define NLP_NPR_2B_DISC 0x40000 /* node is included in num_disc_nodes */
-#define NLP_RCV_PLOGI 0x80000 /* Rcv'ed PLOGI from remote system */
-#define NLP_LOGO_ACC 0x100000 /* Process LOGO after ACC completes */
-#define NLP_TGT_NO_SCSIID 0x200000 /* good PRLI but no binding for scsid */
-#define NLP_ACC_REGLOGIN 0x1000000 /* Issue Reg Login after successful
+#define NLP_PLOGI_SND 0x00000020 /* sent PLOGI request for this entry */
+#define NLP_PRLI_SND 0x00000040 /* sent PRLI request for this entry */
+#define NLP_ADISC_SND 0x00000080 /* sent ADISC request for this entry */
+#define NLP_LOGO_SND 0x00000100 /* sent LOGO request for this entry */
+#define NLP_RNID_SND 0x00000400 /* sent RNID request for this entry */
+#define NLP_ELS_SND_MASK 0x000007e0 /* sent ELS request for this entry */
+#define NLP_DEFER_RM 0x00010000 /* Remove this ndlp if no longer used */
+#define NLP_DELAY_TMO 0x00020000 /* delay timeout is running for node */
+#define NLP_NPR_2B_DISC 0x00040000 /* node is included in num_disc_nodes */
+#define NLP_RCV_PLOGI 0x00080000 /* Rcv'ed PLOGI from remote system */
+#define NLP_LOGO_ACC 0x00100000 /* Process LOGO after ACC completes */
+#define NLP_TGT_NO_SCSIID 0x00200000 /* good PRLI but no binding for scsid */
+#define NLP_ACC_REGLOGIN 0x01000000 /* Issue Reg Login after successful
ACC */
-#define NLP_NPR_ADISC 0x2000000 /* Issue ADISC when dq'ed from
+#define NLP_NPR_ADISC 0x02000000 /* Issue ADISC when dq'ed from
NPR list */
-#define NLP_RM_DFLT_RPI 0x4000000 /* need to remove leftover dflt RPI */
-#define NLP_NODEV_REMOVE 0x8000000 /* Defer removal till discovery ends */
+#define NLP_RM_DFLT_RPI 0x04000000 /* need to remove leftover dflt RPI */
+#define NLP_NODEV_REMOVE 0x08000000 /* Defer removal till discovery ends */
#define NLP_TARGET_REMOVE 0x10000000 /* Target remove in process */
+#define NLP_SC_REQ 0x20000000 /* Target requires authentication */
+
+/* ndlp usage management macros */
+#define NLP_CHK_NODE_ACT(ndlp) (((ndlp)->nlp_usg_map \
+ & NLP_USG_NODE_ACT_BIT) \
+ && \
+ !((ndlp)->nlp_usg_map \
+ & NLP_USG_FREE_ACK_BIT))
+#define NLP_SET_NODE_ACT(ndlp) ((ndlp)->nlp_usg_map \
+ |= NLP_USG_NODE_ACT_BIT)
+#define NLP_INT_NODE_ACT(ndlp) ((ndlp)->nlp_usg_map \
+ = NLP_USG_NODE_ACT_BIT)
+#define NLP_CLR_NODE_ACT(ndlp) ((ndlp)->nlp_usg_map \
+ &= ~NLP_USG_NODE_ACT_BIT)
+#define NLP_CHK_IACT_REQ(ndlp) ((ndlp)->nlp_usg_map \
+ & NLP_USG_IACT_REQ_BIT)
+#define NLP_SET_IACT_REQ(ndlp) ((ndlp)->nlp_usg_map \
+ |= NLP_USG_IACT_REQ_BIT)
+#define NLP_CHK_FREE_REQ(ndlp) ((ndlp)->nlp_usg_map \
+ & NLP_USG_FREE_REQ_BIT)
+#define NLP_SET_FREE_REQ(ndlp) ((ndlp)->nlp_usg_map \
+ |= NLP_USG_FREE_REQ_BIT)
+#define NLP_CHK_FREE_ACK(ndlp) ((ndlp)->nlp_usg_map \
+ & NLP_USG_FREE_ACK_BIT)
+#define NLP_SET_FREE_ACK(ndlp) ((ndlp)->nlp_usg_map \
+ |= NLP_USG_FREE_ACK_BIT)
/* There are 4 different double linked lists nodelist entries can reside on.
* The Port Login (PLOGI) list and Address Discovery (ADISC) list are used