Commit 7826f304 authored by Krishna Gudipati's avatar Krishna Gudipati Committed by James Bottomley
Browse files

[SCSI] bfa: Add FC-transport based Asynchronous Event Notification support. 



- Added support to post vendor unique events on fc_host.
- Supports adapter, port, ioc, flash and remote port based AEN events.

Signed-off-by: default avatarKrishna Gudipati <kgudipat@brocade.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent a53becc9

drivers/scsi/bfa/bfa_defs.h

+143 −0
Original line number Diff line number Diff line
@@ -164,6 +164,8 @@ enum bfa_status { 
	BFA_STATUS_INVALID_MAC  = 134, /*  Invalid MAC address */

	BFA_STATUS_PBC		= 154, /*  Operation not allowed for pre-boot

					*  configuration */

	BFA_STATUS_BAD_FWCFG = 156,	/* Bad firmware configuration */

	BFA_STATUS_INVALID_VENDOR = 158, /* Invalid switch vendor */

	BFA_STATUS_SFP_NOT_READY = 159,	/* SFP info is not ready. Retry */

	BFA_STATUS_TRUNK_ENABLED = 164, /* Trunk is already enabled on

					 * this adapter */
@@ -358,6 +360,139 @@ struct bfa_ioc_attr_s { 
	u8				rsvd[4];	/*  64bit align	*/

};



/*

 *			AEN related definitions

 */

enum bfa_aen_category {

	BFA_AEN_CAT_ADAPTER	= 1,

	BFA_AEN_CAT_PORT	= 2,

	BFA_AEN_CAT_LPORT	= 3,

	BFA_AEN_CAT_RPORT	= 4,

	BFA_AEN_CAT_ITNIM	= 5,

	BFA_AEN_CAT_AUDIT	= 8,

	BFA_AEN_CAT_IOC		= 9,

};



/* BFA adapter level events */

enum bfa_adapter_aen_event {

	BFA_ADAPTER_AEN_ADD	= 1,	/* New Adapter found event */

	BFA_ADAPTER_AEN_REMOVE	= 2,	/* Adapter removed event */

};



struct bfa_adapter_aen_data_s {

	char	serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];

	u32	nports; /* Number of NPorts */

	wwn_t	pwwn;   /* WWN of one of its physical port */

};



/* BFA physical port Level events */

enum bfa_port_aen_event {

	BFA_PORT_AEN_ONLINE	= 1,    /* Physical Port online event */

	BFA_PORT_AEN_OFFLINE	= 2,    /* Physical Port offline event */

	BFA_PORT_AEN_RLIR	= 3,    /* RLIR event, not supported */

	BFA_PORT_AEN_SFP_INSERT	= 4,    /* SFP inserted event */

	BFA_PORT_AEN_SFP_REMOVE	= 5,    /* SFP removed event */

	BFA_PORT_AEN_SFP_POM	= 6,    /* SFP POM event */

	BFA_PORT_AEN_ENABLE	= 7,    /* Physical Port enable event */

	BFA_PORT_AEN_DISABLE	= 8,    /* Physical Port disable event */

	BFA_PORT_AEN_AUTH_ON	= 9,    /* Physical Port auth success event */

	BFA_PORT_AEN_AUTH_OFF	= 10,   /* Physical Port auth fail event */

	BFA_PORT_AEN_DISCONNECT	= 11,   /* Physical Port disconnect event */

	BFA_PORT_AEN_QOS_NEG	= 12,   /* Base Port QOS negotiation event */

	BFA_PORT_AEN_FABRIC_NAME_CHANGE	= 13, /* Fabric Name/WWN change */

	BFA_PORT_AEN_SFP_ACCESS_ERROR	= 14, /* SFP read error event */

	BFA_PORT_AEN_SFP_UNSUPPORT	= 15, /* Unsupported SFP event */

};



enum bfa_port_aen_sfp_pom {

	BFA_PORT_AEN_SFP_POM_GREEN = 1, /* Normal */

	BFA_PORT_AEN_SFP_POM_AMBER = 2, /* Warning */

	BFA_PORT_AEN_SFP_POM_RED   = 3, /* Critical */

	BFA_PORT_AEN_SFP_POM_MAX   = BFA_PORT_AEN_SFP_POM_RED

};



struct bfa_port_aen_data_s {

	wwn_t		pwwn;		/* WWN of the physical port */

	wwn_t		fwwn;		/* WWN of the fabric port */

	u32		phy_port_num;	/* For SFP related events */

	u16		ioc_type;

	u16		level;		/* Only transitions will be informed */

	mac_t		mac;		/* MAC address of the ethernet port */

	u16		rsvd;

};



/* BFA AEN logical port events */

enum bfa_lport_aen_event {

	BFA_LPORT_AEN_NEW	= 1,		/* LPort created event */

	BFA_LPORT_AEN_DELETE	= 2,		/* LPort deleted event */

	BFA_LPORT_AEN_ONLINE	= 3,		/* LPort online event */

	BFA_LPORT_AEN_OFFLINE	= 4,		/* LPort offline event */

	BFA_LPORT_AEN_DISCONNECT = 5,		/* LPort disconnect event */

	BFA_LPORT_AEN_NEW_PROP	= 6,		/* VPort created event */

	BFA_LPORT_AEN_DELETE_PROP = 7,		/* VPort deleted event */

	BFA_LPORT_AEN_NEW_STANDARD = 8,		/* VPort created event */

	BFA_LPORT_AEN_DELETE_STANDARD = 9,	/* VPort deleted event */

	BFA_LPORT_AEN_NPIV_DUP_WWN = 10,	/* VPort with duplicate WWN */

	BFA_LPORT_AEN_NPIV_FABRIC_MAX = 11,	/* Max NPIV in fabric/fport */

	BFA_LPORT_AEN_NPIV_UNKNOWN = 12,	/* Unknown NPIV Error code */

};



struct bfa_lport_aen_data_s {

	u16	vf_id;	/* vf_id of this logical port */

	u16	roles;	/* Logical port mode,IM/TM/IP etc */

	u32	rsvd;

	wwn_t	ppwwn;	/* WWN of its physical port */

	wwn_t	lpwwn;	/* WWN of this logical port */

};



/* BFA ITNIM events */

enum bfa_itnim_aen_event {

	BFA_ITNIM_AEN_ONLINE	 = 1,	/* Target online */

	BFA_ITNIM_AEN_OFFLINE	 = 2,	/* Target offline */

	BFA_ITNIM_AEN_DISCONNECT = 3,	/* Target disconnected */

};



struct bfa_itnim_aen_data_s {

	u16		vf_id;		/* vf_id of the IT nexus */

	u16		rsvd[3];

	wwn_t		ppwwn;		/* WWN of its physical port */

	wwn_t		lpwwn;		/* WWN of logical port */

	wwn_t		rpwwn;		/* WWN of remote(target) port */

};



/* BFA audit events */

enum bfa_audit_aen_event {

	BFA_AUDIT_AEN_AUTH_ENABLE	= 1,

	BFA_AUDIT_AEN_AUTH_DISABLE	= 2,

	BFA_AUDIT_AEN_FLASH_ERASE	= 3,

	BFA_AUDIT_AEN_FLASH_UPDATE	= 4,

};



struct bfa_audit_aen_data_s {

	wwn_t	pwwn;

	int	partition_inst;

	int	partition_type;

};



/* BFA IOC level events */

enum bfa_ioc_aen_event {

	BFA_IOC_AEN_HBGOOD  = 1,	/* Heart Beat restore event	*/

	BFA_IOC_AEN_HBFAIL  = 2,	/* Heart Beat failure event	*/

	BFA_IOC_AEN_ENABLE  = 3,	/* IOC enabled event		*/

	BFA_IOC_AEN_DISABLE = 4,	/* IOC disabled event		*/

	BFA_IOC_AEN_FWMISMATCH  = 5,	/* IOC firmware mismatch	*/

	BFA_IOC_AEN_FWCFG_ERROR = 6,	/* IOC firmware config error	*/

	BFA_IOC_AEN_INVALID_VENDOR = 7,

	BFA_IOC_AEN_INVALID_NWWN = 8,	/* Zero NWWN			*/

	BFA_IOC_AEN_INVALID_PWWN = 9	/* Zero PWWN			*/

};



struct bfa_ioc_aen_data_s {

	wwn_t	pwwn;

	u16	ioc_type;

	mac_t	mac;

};



/*

 * ---------------------- mfg definitions ------------

 */
@@ -587,6 +722,14 @@ struct bfa_ablk_cfg_s { 
 */

#define SFP_DIAGMON_SIZE	10 /* num bytes of diag monitor data */



/* SFP state change notification event */

#define BFA_SFP_SCN_REMOVED	0

#define BFA_SFP_SCN_INSERTED	1

#define BFA_SFP_SCN_POM		2

#define BFA_SFP_SCN_FAILED	3

#define BFA_SFP_SCN_UNSUPPORT	4

#define BFA_SFP_SCN_VALID	5



enum bfa_defs_sfp_media_e {

	BFA_SFP_MEDIA_UNKNOWN	= 0x00,

	BFA_SFP_MEDIA_CU	= 0x01,

drivers/scsi/bfa/bfa_defs_svc.h

+48 −0
Original line number Diff line number Diff line
@@ -1228,4 +1228,52 @@ struct bfa_cee_stats_s { 


#pragma pack()



/*

 *			AEN related definitions

 */

#define BFAD_NL_VENDOR_ID (((u64)0x01 << SCSI_NL_VID_TYPE_SHIFT) \

			   | BFA_PCI_VENDOR_ID_BROCADE)



/* BFA remote port events */

enum bfa_rport_aen_event {

	BFA_RPORT_AEN_ONLINE     = 1,   /* RPort online event */

	BFA_RPORT_AEN_OFFLINE    = 2,   /* RPort offline event */

	BFA_RPORT_AEN_DISCONNECT = 3,   /* RPort disconnect event */

	BFA_RPORT_AEN_QOS_PRIO   = 4,   /* QOS priority change event */

	BFA_RPORT_AEN_QOS_FLOWID = 5,   /* QOS flow Id change event */

};



struct bfa_rport_aen_data_s {

	u16             vf_id;  /* vf_id of this logical port */

	u16             rsvd[3];

	wwn_t           ppwwn;  /* WWN of its physical port */

	wwn_t           lpwwn;  /* WWN of this logical port */

	wwn_t           rpwwn;  /* WWN of this remote port */

	union {

		struct bfa_rport_qos_attr_s qos;

	} priv;

};



union bfa_aen_data_u {

	struct bfa_adapter_aen_data_s	adapter;

	struct bfa_port_aen_data_s	port;

	struct bfa_lport_aen_data_s	lport;

	struct bfa_rport_aen_data_s	rport;

	struct bfa_itnim_aen_data_s	itnim;

	struct bfa_audit_aen_data_s	audit;

	struct bfa_ioc_aen_data_s	ioc;

};



#define BFA_AEN_MAX_ENTRY	512



struct bfa_aen_entry_s {

	struct list_head	qe;

	enum bfa_aen_category   aen_category;

	u32                     aen_type;

	union bfa_aen_data_u    aen_data;

	struct timeval          aen_tv;

	u32                     seq_num;

	u32                     bfad_num;

};



#endif /* __BFA_DEFS_SVC_H__ */

drivers/scsi/bfa/bfa_fcs.c

+26 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
 */



#include "bfad_drv.h"

#include "bfad_im.h"

#include "bfa_fcs.h"

#include "bfa_fcbuild.h"
@@ -1327,6 +1328,29 @@ bfa_fcs_fabric_flogiacc_comp(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, 
	bfa_trc(fabric->fcs, status);

}





/*

 * Send AEN notification

 */

static void

bfa_fcs_fabric_aen_post(struct bfa_fcs_lport_s *port,

			enum bfa_port_aen_event event)

{

	struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;

	struct bfa_aen_entry_s  *aen_entry;



	bfad_get_aen_entry(bfad, aen_entry);

	if (!aen_entry)

		return;



	aen_entry->aen_data.port.pwwn = bfa_fcs_lport_get_pwwn(port);

	aen_entry->aen_data.port.fwwn = bfa_fcs_lport_get_fabric_name(port);



	/* Send the AEN notification */

	bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,

				  BFA_AEN_CAT_PORT, event);

}



/*

 *

 * @param[in] fabric - fabric
@@ -1358,6 +1382,8 @@ bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, 
		BFA_LOG(KERN_WARNING, bfad, bfa_log_level,

			"Base port WWN = %s Fabric WWN = %s\n",

			pwwn_ptr, fwwn_ptr);

		bfa_fcs_fabric_aen_post(&fabric->bport,

				BFA_PORT_AEN_FABRIC_NAME_CHANGE);

	}

}

drivers/scsi/bfa/bfa_fcs.h

+1 −0
Original line number Diff line number Diff line
@@ -675,6 +675,7 @@ struct bfa_fcs_s { 
	struct bfa_fcs_fabric_s fabric; /*  base fabric state machine */

	struct bfa_fcs_stats_s	stats;	/*  FCS statistics */

	struct bfa_wc_s		wc;	/*  waiting counter */

	int			fcs_aen_seq;

};



/*

drivers/scsi/bfa/bfa_fcs_fcpim.c

+35 −2
Original line number Diff line number Diff line
@@ -37,6 +37,8 @@ static void bfa_fcs_itnim_prli_response(void *fcsarg, 
			 struct bfa_fcxp_s *fcxp, void *cbarg,

			    bfa_status_t req_status, u32 rsp_len,

			    u32 resid_len, struct fchs_s *rsp_fchs);

static void	bfa_fcs_itnim_aen_post(struct bfa_fcs_itnim_s *itnim,

			enum bfa_itnim_aen_event event);



/*

 *  fcs_itnim_sm FCS itnim state machine events
@@ -269,6 +271,7 @@ bfa_fcs_itnim_sm_hcb_online(struct bfa_fcs_itnim_s *itnim, 
		BFA_LOG(KERN_INFO, bfad, bfa_log_level,

		"Target (WWN = %s) is online for initiator (WWN = %s)\n",

		rpwwn_buf, lpwwn_buf);

		bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_ONLINE);

		break;



	case BFA_FCS_ITNIM_SM_OFFLINE:
@@ -305,14 +308,17 @@ bfa_fcs_itnim_sm_online(struct bfa_fcs_itnim_s *itnim, 
		bfa_itnim_offline(itnim->bfa_itnim);

		wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(itnim->rport->port));

		wwn2str(rpwwn_buf, itnim->rport->pwwn);

		if (bfa_fcs_lport_is_online(itnim->rport->port) == BFA_TRUE)

		if (bfa_fcs_lport_is_online(itnim->rport->port) == BFA_TRUE) {

			BFA_LOG(KERN_ERR, bfad, bfa_log_level,

			"Target (WWN = %s) connectivity lost for "

			"initiator (WWN = %s)\n", rpwwn_buf, lpwwn_buf);

		else

			bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_DISCONNECT);

		} else {

			BFA_LOG(KERN_INFO, bfad, bfa_log_level,

			"Target (WWN = %s) offlined by initiator (WWN = %s)\n",

			rpwwn_buf, lpwwn_buf);

			bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_OFFLINE);

		}

		break;



	case BFA_FCS_ITNIM_SM_DELETE:
@@ -381,6 +387,33 @@ bfa_fcs_itnim_sm_initiator(struct bfa_fcs_itnim_s *itnim, 
	}

}



static void

bfa_fcs_itnim_aen_post(struct bfa_fcs_itnim_s *itnim,

			enum bfa_itnim_aen_event event)

{

	struct bfa_fcs_rport_s *rport = itnim->rport;

	struct bfad_s *bfad = (struct bfad_s *)itnim->fcs->bfad;

	struct bfa_aen_entry_s	*aen_entry;



	/* Don't post events for well known addresses */

	if (BFA_FCS_PID_IS_WKA(rport->pid))

		return;



	bfad_get_aen_entry(bfad, aen_entry);

	if (!aen_entry)

		return;



	aen_entry->aen_data.itnim.vf_id = rport->port->fabric->vf_id;

	aen_entry->aen_data.itnim.ppwwn = bfa_fcs_lport_get_pwwn(

					bfa_fcs_get_base_port(itnim->fcs));

	aen_entry->aen_data.itnim.lpwwn = bfa_fcs_lport_get_pwwn(rport->port);

	aen_entry->aen_data.itnim.rpwwn = rport->pwwn;



	/* Send the AEN notification */

	bfad_im_post_vendor_event(aen_entry, bfad, ++rport->fcs->fcs_aen_seq,

				  BFA_AEN_CAT_ITNIM, event);

}



static void

bfa_fcs_itnim_send_prli(void *itnim_cbarg, struct bfa_fcxp_s *fcxp_alloced)

{