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Commit 06506d00 authored by Andreas Herrmann's avatar Andreas Herrmann Committed by James Bottomley
Browse files

[SCSI] zfcp: (cleanup) removed superfluous macros, struct members, typedefs 



Removed some macros, struct members and typedefs which were
unused or not necessary.

Signed-off-by: default avatarAndreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent ec4081c6

drivers/s390/scsi/zfcp_aux.c

+5 −10
Original line number Diff line number Diff line
@@ -740,7 +740,7 @@ struct zfcp_unit * 
zfcp_unit_enqueue(struct zfcp_port *port, fcp_lun_t fcp_lun)

{

	struct zfcp_unit *unit, *tmp_unit;

	scsi_lun_t scsi_lun;

	unsigned int scsi_lun;

	int found;



	/*
@@ -991,12 +991,6 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device) 
	/* intitialise SCSI ER timer */

	init_timer(&adapter->scsi_er_timer);



	/* set FC service class used per default */

	adapter->fc_service_class = ZFCP_FC_SERVICE_CLASS_DEFAULT;



	sprintf(adapter->name, "%s", zfcp_get_busid_by_adapter(adapter));

	ASCEBC(adapter->name, strlen(adapter->name));



	/* mark adapter unusable as long as sysfs registration is not complete */

	atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status);
@@ -1347,18 +1341,19 @@ static void 
zfcp_fsf_incoming_els_plogi(struct zfcp_adapter *adapter,

			    struct fsf_status_read_buffer *status_buffer)

{

	logi *els_logi = (logi *) status_buffer->payload;

	struct fsf_plogi *els_plogi;

	struct zfcp_port *port;

	unsigned long flags;



	els_plogi = (struct fsf_plogi *) status_buffer->payload;

	read_lock_irqsave(&zfcp_data.config_lock, flags);

	list_for_each_entry(port, &adapter->port_list_head, list) {

		if (port->wwpn == (*(wwn_t *) & els_logi->nport_wwn))

		if (port->wwpn == (*(wwn_t *) &els_plogi->serv_param.wwpn))

			break;

	}

	read_unlock_irqrestore(&zfcp_data.config_lock, flags);



	if (!port || (port->wwpn != (*(wwn_t *) & els_logi->nport_wwn))) {

	if (!port || (port->wwpn != (*(wwn_t *) &els_plogi->serv_param.wwpn))) {

		ZFCP_LOG_DEBUG("ignored incoming PLOGI for nonexisting port "

			       "with d_id 0x%08x on adapter %s\n",

			       status_buffer->d_id,

drivers/s390/scsi/zfcp_def.h

+6 −41
Original line number Diff line number Diff line
@@ -39,7 +39,6 @@ 
#include <scsi/scsi_host.h>

#include <scsi/scsi_transport.h>

#include <scsi/scsi_transport_fc.h>

#include "../../fc4/fc.h"

#include "zfcp_fsf.h"

#include <asm/ccwdev.h>

#include <asm/qdio.h>
@@ -78,13 +77,9 @@ zfcp_address_to_sg(void *address, struct scatterlist *list) 
	list->offset = ((unsigned long) address) & (PAGE_SIZE - 1);

}



/********************* SCSI SPECIFIC DEFINES *********************************/



/* 32 bit for SCSI ID and LUN as long as the SCSI stack uses this type */

typedef u32 scsi_id_t;

typedef u32 scsi_lun_t;

#define REQUEST_LIST_SIZE 128



#define ZFCP_ERP_SCSI_LOW_MEM_TIMEOUT           (100*HZ)

/********************* SCSI SPECIFIC DEFINES *********************************/

#define ZFCP_SCSI_ER_TIMEOUT                    (100*HZ)



/********************* CIO/QDIO SPECIFIC DEFINES *****************************/
@@ -222,8 +217,9 @@ struct fcp_rsp_iu { 
#define RSP_CODE_TASKMAN_FAILED	 5



/* see fc-fs */

#define LS_FAN 0x60000000

#define LS_RSCN  0x61040000

#define LS_LOGO  0x05000000

#define LS_PLOGI 0x03000000



struct fcp_rscn_head {

        u8  command;
@@ -252,13 +248,6 @@ struct fcp_rscn_element { 
#define ZFCP_NO_PORTS_PER_DOMAIN  0x10000

#define ZFCP_NO_PORTS_PER_FABRIC  0x1000000



struct fcp_fan {

        u32 command;

        u32 fport_did;

        wwn_t fport_wwpn;

        wwn_t fport_wwname;

} __attribute__((packed));



/* see fc-ph */

struct fcp_logo {

        u32 command;
@@ -496,9 +485,6 @@ struct zfcp_rc_entry { 


#define ZFCP_NAME               "zfcp"



/* read-only LUN sharing switch initial value */

#define ZFCP_RO_LUN_SHARING_DEFAULTS 0



/* independent log areas */

#define ZFCP_LOG_AREA_OTHER	0

#define ZFCP_LOG_AREA_SCSI	1
@@ -597,7 +583,6 @@ do { \ 
 * and unit

 */

#define ZFCP_COMMON_FLAGS			0xfff00000

#define ZFCP_SPECIFIC_FLAGS			0x000fffff



/* common status bits */

#define ZFCP_STATUS_COMMON_REMOVE		0x80000000
@@ -622,11 +607,6 @@ do { \ 
#define ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED	0x00000200

#define ZFCP_STATUS_ADAPTER_XPORT_OK		0x00000800



#define ZFCP_STATUS_ADAPTER_SCSI_UP			\

		(ZFCP_STATUS_COMMON_UNBLOCKED |	\

		 ZFCP_STATUS_ADAPTER_REGISTERED)





/* FC-PH/FC-GS well-known address identifiers for generic services */

#define ZFCP_DID_MANAGEMENT_SERVICE		0xFFFFFA

#define ZFCP_DID_TIME_SERVICE			0xFFFFFB
@@ -641,7 +621,6 @@ do { \ 
#define ZFCP_STATUS_PORT_NO_WWPN		0x00000008

#define ZFCP_STATUS_PORT_NO_SCSI_ID		0x00000010

#define ZFCP_STATUS_PORT_INVALID_WWPN		0x00000020

#define ZFCP_STATUS_PORT_ACCESS_DENIED		0x00000040



/* for ports with well known addresses */

#define ZFCP_STATUS_PORT_WKA \
@@ -897,15 +876,12 @@ struct zfcp_adapter { 
	wwn_t			peer_wwpn;	   /* P2P peer WWPN */

	u32			peer_d_id;	   /* P2P peer D_ID */

	struct ccw_device       *ccw_device;	   /* S/390 ccw device */

	u8			fc_service_class;

	u32			hydra_version;	   /* Hydra version */

	u32			fsf_lic_version;

	u32			adapter_features;  /* FCP channel features */

	u32			connection_features; /* host connection features */

        u32			hardware_version;  /* of FCP channel */

	struct Scsi_Host	*scsi_host;	   /* Pointer to mid-layer */

	unsigned short          scsi_host_no;      /* Assigned host number */

	unsigned char		name[9];

	struct list_head	port_list_head;	   /* remote port list */

	struct list_head        port_remove_lh;    /* head of ports to be

						      removed */
@@ -997,7 +973,7 @@ struct zfcp_unit { 
						  refcount drop to zero */

	struct zfcp_port       *port;	       /* remote port of unit */

	atomic_t	       status;	       /* status of this logical unit */

	scsi_lun_t	       scsi_lun;       /* own SCSI LUN */

	unsigned int	       scsi_lun;       /* own SCSI LUN */

	fcp_lun_t	       fcp_lun;	       /* own FCP_LUN */

	u32		       handle;	       /* handle assigned by FSF */

        struct scsi_device     *device;        /* scsi device struct pointer */
@@ -1041,11 +1017,6 @@ struct zfcp_data { 
	struct list_head	adapter_list_head;  /* head of adapter list */

	struct list_head	adapter_remove_lh;  /* head of adapters to be

						       removed */

        rwlock_t                status_read_lock;   /* for status read thread */

        struct list_head        status_read_receive_head;

        struct list_head        status_read_send_head;

        struct semaphore        status_read_sema;

	wait_queue_head_t	status_read_thread_wqh;

	u32			adapters;	    /* # of adapters in list */

	rwlock_t                config_lock;        /* serialises changes

						       to adapter/port/unit
@@ -1084,9 +1055,6 @@ struct zfcp_fsf_req_pool_element { 


/********************** ZFCP SPECIFIC DEFINES ********************************/



#define ZFCP_FSFREQ_CLEANUP_TIMEOUT	HZ/10



#define ZFCP_KNOWN              0x00000001

#define ZFCP_REQ_AUTO_CLEANUP	0x00000002

#define ZFCP_WAIT_FOR_SBAL	0x00000004

#define ZFCP_REQ_NO_QTCB	0x00000008
@@ -1094,9 +1062,6 @@ struct zfcp_fsf_req_pool_element { 
#define ZFCP_SET                0x00000100

#define ZFCP_CLEAR              0x00000200



#define ZFCP_INTERRUPTIBLE	1

#define ZFCP_UNINTERRUPTIBLE	0



#ifndef atomic_test_mask

#define atomic_test_mask(mask, target) \

           ((atomic_read(target) & mask) == mask)

drivers/s390/scsi/zfcp_erp.c

+1 −1
Original line number Diff line number Diff line
@@ -3407,7 +3407,7 @@ zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter) 
		return;



	debug_text_event(adapter->erp_dbf, 3, "a_access_recover");

	debug_event(adapter->erp_dbf, 3, &adapter->name, 8);

	debug_event(adapter->erp_dbf, 3, zfcp_get_busid_by_adapter(adapter), 8);



	read_lock_irqsave(&zfcp_data.config_lock, flags);

	if (adapter->nameserver_port)

drivers/s390/scsi/zfcp_fsf.c

+20 −42
Original line number Diff line number Diff line
@@ -1416,7 +1416,8 @@ zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool, 


	/* settings in QTCB */

	fsf_req->qtcb->header.port_handle = port->handle;

	fsf_req->qtcb->bottom.support.service_class = adapter->fc_service_class;

	fsf_req->qtcb->bottom.support.service_class =

		ZFCP_FC_SERVICE_CLASS_DEFAULT;

	fsf_req->qtcb->bottom.support.timeout = ct->timeout;

        fsf_req->data = (unsigned long) ct;
@@ -1485,18 +1486,10 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) 
		break;



        case FSF_SERVICE_CLASS_NOT_SUPPORTED:

		if (adapter->fc_service_class <= 3) {

		ZFCP_LOG_INFO("error: adapter %s does not support fc "

			      "class %d.\n",

			      zfcp_get_busid_by_port(port),

				      adapter->fc_service_class);

		} else {

			ZFCP_LOG_INFO("bug: The fibre channel class at the "

				      "adapter %s is invalid. "

				      "(debug info %d)\n",

				      zfcp_get_busid_by_port(port),

				      adapter->fc_service_class);

		}

			      ZFCP_FC_SERVICE_CLASS_DEFAULT);

		/* stop operation for this adapter */

		debug_text_exception(adapter->erp_dbf, 0, "fsf_s_class_nsup");

		zfcp_erp_adapter_shutdown(adapter, 0);
@@ -1719,7 +1712,8 @@ zfcp_fsf_send_els(struct zfcp_send_els *els) 


	/* settings in QTCB */

	fsf_req->qtcb->bottom.support.d_id = d_id;

	fsf_req->qtcb->bottom.support.service_class = adapter->fc_service_class;

	fsf_req->qtcb->bottom.support.service_class =

		ZFCP_FC_SERVICE_CLASS_DEFAULT;

	fsf_req->qtcb->bottom.support.timeout = ZFCP_ELS_TIMEOUT;

	fsf_req->data = (unsigned long) els;
@@ -1789,18 +1783,10 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) 
		break;



	case FSF_SERVICE_CLASS_NOT_SUPPORTED:

		if (adapter->fc_service_class <= 3) {

			ZFCP_LOG_INFO("error: adapter %s does "

				      "not support fibrechannel class %d.\n",

				      zfcp_get_busid_by_adapter(adapter),

				      adapter->fc_service_class);

		} else {

			ZFCP_LOG_INFO("bug: The fibrechannel class at "

				      "adapter %s is invalid. "

				      "(debug info %d)\n",

		ZFCP_LOG_INFO("error: adapter %s does not support fc "

			      "class %d.\n",

			      zfcp_get_busid_by_adapter(adapter),

				      adapter->fc_service_class);

		}

			      ZFCP_FC_SERVICE_CLASS_DEFAULT);

		/* stop operation for this adapter */

		debug_text_exception(adapter->erp_dbf, 0, "fsf_s_class_nsup");

		zfcp_erp_adapter_shutdown(adapter, 0);
@@ -3550,7 +3536,7 @@ zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter, 
	}



	/* set FC service class in QTCB (3 per default) */

	fsf_req->qtcb->bottom.io.service_class = adapter->fc_service_class;

	fsf_req->qtcb->bottom.io.service_class = ZFCP_FC_SERVICE_CLASS_DEFAULT;



	/* set FCP_LUN in FCP_CMND IU in QTCB */

	fcp_cmnd_iu->fcp_lun = unit->fcp_lun;
@@ -3689,7 +3675,7 @@ zfcp_fsf_send_fcp_command_task_management(struct zfcp_adapter *adapter, 
	fsf_req->qtcb->header.lun_handle = unit->handle;

	fsf_req->qtcb->header.port_handle = unit->port->handle;

	fsf_req->qtcb->bottom.io.data_direction = FSF_DATADIR_CMND;

	fsf_req->qtcb->bottom.io.service_class = adapter->fc_service_class;

	fsf_req->qtcb->bottom.io.service_class = ZFCP_FC_SERVICE_CLASS_DEFAULT;

	fsf_req->qtcb->bottom.io.fcp_cmnd_length =

		sizeof (struct fcp_cmnd_iu) + sizeof (fcp_dl_t);
@@ -3812,18 +3798,10 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req) 
		break;



	case FSF_SERVICE_CLASS_NOT_SUPPORTED:

		if (fsf_req->adapter->fc_service_class <= 3) {

			ZFCP_LOG_NORMAL("error: The adapter %s does "

					"not support fibrechannel class %d.\n",

					zfcp_get_busid_by_unit(unit),

					fsf_req->adapter->fc_service_class);

		} else {

			ZFCP_LOG_NORMAL("bug: The fibrechannel class at "

					"adapter %s is invalid. "

					"(debug info %d)\n",

		ZFCP_LOG_INFO("error: adapter %s does not support fc "

			      "class %d.\n",

			      zfcp_get_busid_by_unit(unit),

					fsf_req->adapter->fc_service_class);

		}

			      ZFCP_FC_SERVICE_CLASS_DEFAULT);

		/* stop operation for this adapter */

		debug_text_exception(fsf_req->adapter->erp_dbf, 0,

				     "fsf_s_class_nsup");

drivers/s390/scsi/zfcp_fsf.h

+3 −18
Original line number Diff line number Diff line
@@ -22,8 +22,7 @@ 
#ifndef FSF_H

#define FSF_H



#define FSF_QTCB_VERSION1			0x00000001

#define FSF_QTCB_CURRENT_VERSION		FSF_QTCB_VERSION1

#define FSF_QTCB_CURRENT_VERSION		0x00000001



/* FSF commands */

#define	FSF_QTCB_FCP_CMND			0x00000001
@@ -53,7 +52,7 @@ 
#define FSF_CFDC_OPTION_FULL_ACCESS		0x00000002

#define FSF_CFDC_OPTION_RESTRICTED_ACCESS	0x00000004



/* FSF protocol stati */

/* FSF protocol states */

#define FSF_PROT_GOOD				0x00000001

#define FSF_PROT_QTCB_VERSION_ERROR		0x00000010

#define FSF_PROT_SEQ_NUMB_ERROR			0x00000020
@@ -65,7 +64,7 @@ 
#define FSF_PROT_REEST_QUEUE                    0x00000800

#define FSF_PROT_ERROR_STATE			0x01000000



/* FSF stati */

/* FSF states */

#define FSF_GOOD				0x00000000

#define FSF_PORT_ALREADY_OPEN			0x00000001

#define FSF_LUN_ALREADY_OPEN			0x00000002
@@ -258,20 +257,6 @@ 
#define FSF_UNIT_ACCESS_EXCLUSIVE		0x02000000

#define FSF_UNIT_ACCESS_OUTBOUND_TRANSFER	0x10000000



struct fsf_queue_designator;

struct fsf_status_read_buffer;

struct fsf_port_closed_payload;

struct fsf_bit_error_payload;

union  fsf_prot_status_qual;

struct fsf_qual_version_error;

struct fsf_qual_sequence_error;

struct fsf_qtcb_prefix;

struct fsf_qtcb_header;

struct fsf_qtcb_bottom_config;

struct fsf_qtcb_bottom_support;

struct fsf_qtcb_bottom_io;

union  fsf_qtcb_bottom;



struct fsf_queue_designator {

	u8  cssid;

	u8  chpid;