[SCSI] lpfc: NPIV: add NPIV support on top of SLI-3 (92d7f7b0) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/scsi/lpfc/Makefile

+3 −2

Original line number	Diff line number	Diff line
		#/*******************************************************************
		# * This file is part of the Emulex Linux Device Driver for *
		# * Fibre Channel Host Bus Adapters. *
		# * Copyright (C) 2004-2005 Emulex. All rights reserved. *
		# * Copyright (C) 2004-2006 Emulex. All rights reserved. *
		# * EMULEX and SLI are trademarks of Emulex. *
		# * www.emulex.com *
		# * *
		@@ -27,4 +27,5 @@ endif
		obj-$(CONFIG_SCSI_LPFC) := lpfc.o

		lpfc-objs := lpfc_mem.o lpfc_sli.o lpfc_ct.o lpfc_els.o lpfc_hbadisc.o \
		lpfc_init.o lpfc_mbox.o lpfc_nportdisc.o lpfc_scsi.o lpfc_attr.o
		lpfc_init.o lpfc_mbox.o lpfc_nportdisc.o lpfc_scsi.o lpfc_attr.o \
		lpfc_vport.o

drivers/scsi/lpfc/lpfc.h

+111 −45

Original line number	Diff line number	Diff line
		@@ -34,6 +34,17 @@ struct lpfc_sli2_slim;
		#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
		#define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */

		/*
		* Following time intervals are used of adjusting SCSI device
		* queue depths when there are driver resource error or Firmware
		* resource error.
		*/
		#define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */
		#define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */

		/* Number of exchanges reserved for discovery to complete */
		#define LPFC_DISC_IOCB_BUFF_COUNT 20

		/* Define macros for 64 bit support */
		#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
		#define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
		@@ -97,6 +108,29 @@ typedef struct lpfc_vpd {
		uint32_t sli2FwRev;
		uint8_t sli2FwName[16];
		} rev;
		struct {
		#ifdef __BIG_ENDIAN_BITFIELD
		uint32_t rsvd2 :24; /* Reserved */
		uint32_t cmv : 1; /* Configure Max VPIs */
		uint32_t ccrp : 1; /* Config Command Ring Polling */
		uint32_t csah : 1; /* Configure Synchronous Abort Handling */
		uint32_t chbs : 1; /* Cofigure Host Backing store */
		uint32_t cinb : 1; /* Enable Interrupt Notification Block */
		uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
		uint32_t cmx : 1; /* Configure Max XRIs */
		uint32_t cmr : 1; /* Configure Max RPIs */
		#else /* __LITTLE_ENDIAN */
		uint32_t cmr : 1; /* Configure Max RPIs */
		uint32_t cmx : 1; /* Configure Max XRIs */
		uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
		uint32_t cinb : 1; /* Enable Interrupt Notification Block */
		uint32_t chbs : 1; /* Cofigure Host Backing store */
		uint32_t csah : 1; /* Configure Synchronous Abort Handling */
		uint32_t ccrp : 1; /* Config Command Ring Polling */
		uint32_t cmv : 1; /* Configure Max VPIs */
		uint32_t rsvd2 :24; /* Reserved */
		#endif
		} sli3Feat;
		} lpfc_vpd_t;

		struct lpfc_scsi_buf;
		@@ -129,6 +163,7 @@ struct lpfc_stats {
		uint32_t elsRcvRPS;
		uint32_t elsRcvRPL;
		uint32_t elsXmitFLOGI;
		uint32_t elsXmitFDISC;
		uint32_t elsXmitPLOGI;
		uint32_t elsXmitPRLI;
		uint32_t elsXmitADISC;
		@@ -174,17 +209,20 @@ struct lpfc_sysfs_mbox {

		struct lpfc_hba;


		enum discovery_state {
		LPFC_STATE_UNKNOWN = 0, /* HBA state is unknown */
		LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
		LPFC_VPORT_FAILED = 1, /* vport has failed */
		LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
		LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
		LPFC_FABRIC_CFG_LINK = 8, /* Fabric assigned NPORT Id
		LPFC_FDISC = 8, /* FDISC sent for vport */
		LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id
		* configured */
		LPFC_NS_REG = 9, /* Register with NameServer */
		LPFC_NS_QRY = 10, /* Query NameServer for NPort ID list */
		LPFC_BUILD_DISC_LIST = 11, /* Build ADISC and PLOGI lists for
		LPFC_NS_REG = 10, /* Register with NameServer */
		LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */
		LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for
		* device authentication / discovery */
		LPFC_DISC_AUTH = 12, /* Processing ADISC list */
		LPFC_DISC_AUTH = 13, /* Processing ADISC list */
		LPFC_VPORT_READY = 32,
		};

		@@ -195,8 +233,9 @@ enum hba_state {
		LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
		LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
		LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
		LPFC_CLEAR_LA = 13, /* authentication cmplt - issue
		LPFC_CLEAR_LA = 6, /* authentication cmplt - issue
		* CLEAR_LA */
		LPFC_HBA_READY = 32,
		LPFC_HBA_ERROR = -1
		};

		@@ -209,6 +248,7 @@ struct lpfc_vport {
		#define LPFC_FABRIC_PORT 3
		enum discovery_state port_state;

		uint16_t vpi;

		uint32_t fc_flag; /* FC flags */
		/* Several of these flags are HBA centric and should be moved to
		@@ -224,11 +264,14 @@ struct lpfc_vport {
		#define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
		#define FC_FABRIC 0x100 /* We are fabric attached */
		#define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */
		#define FC_RSCN_DISCOVERY 0x400 /* Authenticate all devices after RSCN*/
		#define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
		#define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
		#define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
		#define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
		#define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
		#define FC_RFF_NOT_SUPPORTED 0x40000 /* RFF_ID was rejected by switch */
		#define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
		#define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */

		struct list_head fc_nodes;

		@@ -269,6 +312,9 @@ struct lpfc_vport {
		#define WORKER_ELS_TMO 0x2 /* ELS timeout */
		#define WORKER_MBOX_TMO 0x4 /* MBOX timeout */
		#define WORKER_FDMI_TMO 0x8 /* FDMI timeout */
		#define WORKER_FABRIC_BLOCK_TMO 0x10 /* fabric block timout */
		#define WORKER_RAMP_DOWN_QUEUE 0x20 /* Decrease Q depth */
		#define WORKER_RAMP_UP_QUEUE 0x40 /* Increase Q depth */

		struct timer_list fc_fdmitmo;
		struct timer_list els_tmofunc;
		@@ -278,10 +324,10 @@ struct lpfc_vport {
		uint8_t load_flag;
		#define FC_LOADING 0x1 /* HBA in process of loading drvr */
		#define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */

		char vname; / Application assigned name */
		struct fc_vport *fc_vport;
		};


		struct hbq_s {
		uint16_t entry_count; /* Current number of HBQ slots */
		uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
		@@ -289,7 +335,9 @@ struct hbq_s {
		uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
		};

		#define MAX_HBQS 16
		#define LPFC_MAX_HBQS 16
		/* this matches the possition in the lpfc_hbq_defs array */
		#define LPFC_ELS_HBQ 0

		struct lpfc_hba {
		struct lpfc_sli sli;
		@@ -297,25 +345,28 @@ struct lpfc_hba {
		uint32_t sli3_options; /* Mask of enabled SLI3 options */
		#define LPFC_SLI3_ENABLED 0x01
		#define LPFC_SLI3_HBQ_ENABLED 0x02
		#define LPFC_SLI3_INB_ENABLED 0x04
		#define LPFC_SLI3_NPIV_ENABLED 0x04
		#define LPFC_SLI3_VPORT_TEARDOWN 0x08
		uint32_t iocb_cmd_size;
		uint32_t iocb_rsp_size;

		enum hba_state link_state;
		uint32_t link_flag; /* link state flags */
		#define LS_LOOPBACK_MODE 0x40000 /* NPort is in Loopback mode */
		#define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
		/* This flag is set while issuing */
		/* INIT_LINK mailbox command */
		#define LS_IGNORE_ERATT 0x80000 /* intr handler should ignore ERATT */
		#define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
		#define LS_IGNORE_ERATT 0x3 /* intr handler should ignore ERATT */

		struct lpfc_sli2_slim *slim2p;
		struct lpfc_dmabuf hbqslimp;

		dma_addr_t slim2p_mapping;


		uint16_t pci_cfg_value;

		uint8_t work_found;
		#define LPFC_MAX_WORKER_ITERATION 4

		uint8_t fc_linkspeed; /* Link speed after last READ_LA */

		@@ -355,6 +406,8 @@ struct lpfc_hba {
		uint32_t cfg_nodev_tmo;
		uint32_t cfg_devloss_tmo;
		uint32_t cfg_hba_queue_depth;
		uint32_t cfg_peer_port_login;
		uint32_t cfg_vport_restrict_login;
		uint32_t cfg_fcp_class;
		uint32_t cfg_use_adisc;
		uint32_t cfg_ack0;
		@@ -391,11 +444,9 @@ struct lpfc_hba {
		wait_queue_head_t *work_wait;
		struct task_struct *worker_thread;

		struct hbq_dmabuf *hbq_buffer_pool;
		uint32_t hbq_buffer_count;
		uint32_t hbq_buff_count; /* Current hbq buffers */
		struct list_head hbq_buffer_list;
		uint32_t hbq_count; /* Count of configured HBQs */
		struct hbq_s hbqs[MAX_HBQS]; /* local copy of hbq indicies */
		struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */

		unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
		unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
		@@ -413,7 +464,7 @@ struct lpfc_hba {

		struct lpfc_hgp __iomem host_gp; / Host side get/put pointers */
		uint32_t __iomem hbq_put; / Address in SLIM to HBQ put ptrs */
		uint32_t __iomem hbq_get; / Address in SLIM to HBQ get ptrs */
		uint32_t hbq_get; / Host mem address of HBQ get ptrs */

		int brd_no; /* FC board number */

		@@ -464,6 +515,22 @@ struct lpfc_hba {
		struct fc_host_statistics link_stats;
		struct list_head port_list;
		struct lpfc_vport pport; / physical lpfc_vport pointer */
		uint16_t max_vpi; /* Maximum virtual nports */
		uint16_t vpi_cnt; /* Nport count */
		#define LPFC_MAX_VPI 100 /* Max number of VPorts supported */
		unsigned long vpi_bmask; / vpi allocation table */

		/* Data structure used by fabric iocb scheduler */
		struct list_head fabric_iocb_list;
		atomic_t fabric_iocb_count;
		struct timer_list fabric_block_timer;
		unsigned long bit_flags;
		#define FABRIC_COMANDS_BLOCKED 0
		atomic_t num_rsrc_err;
		atomic_t num_cmd_success;
		unsigned long last_rsrc_error_time;
		unsigned long last_ramp_down_time;
		unsigned long last_ramp_up_time;
		};

		static inline struct Scsi_Host *
		@@ -485,10 +552,9 @@ static inline int
		lpfc_is_link_up(struct lpfc_hba *phba)
		{
		return phba->link_state == LPFC_LINK_UP \|\|
		phba->link_state == LPFC_CLEAR_LA;
		phba->link_state == LPFC_CLEAR_LA \|\|
		phba->link_state == LPFC_HBA_READY;
		}



		#define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */

drivers/scsi/lpfc/lpfc_attr.c

+295 −13

Original line number	Diff line number	Diff line
		@@ -39,6 +39,7 @@
		#include "lpfc_version.h"
		#include "lpfc_compat.h"
		#include "lpfc_crtn.h"
		#include "lpfc_vport.h"

		#define LPFC_DEF_DEVLOSS_TMO 30
		#define LPFC_MIN_DEVLOSS_TMO 1
		@@ -139,7 +140,7 @@ lpfc_fwrev_show(struct class_device cdev, char buf)
		char fwrev[32];

		lpfc_decode_firmware_rev(phba, fwrev, 1);
		return snprintf(buf, PAGE_SIZE, "%s\n",fwrev);
		return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev);
		}

		static ssize_t
		@@ -178,10 +179,11 @@ lpfc_state_show(struct class_device cdev, char buf)
		case LPFC_INIT_MBX_CMDS:
		case LPFC_LINK_DOWN:
		case LPFC_HBA_ERROR:
		len += snprintf(buf + len, PAGE_SIZE-len, "Link Down");
		len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
		break;
		case LPFC_LINK_UP:
		case LPFC_CLEAR_LA:
		case LPFC_HBA_READY:
		len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - \n");

		switch (vport->port_state) {
		@@ -190,8 +192,9 @@ lpfc_state_show(struct class_device cdev, char buf)
		break;
		case LPFC_LOCAL_CFG_LINK:
		len += snprintf(buf + len, PAGE_SIZE-len,
		"configuring\n");
		"Configuring Link\n");
		break;
		case LPFC_FDISC:
		case LPFC_FLOGI:
		case LPFC_FABRIC_CFG_LINK:
		case LPFC_NS_REG:
		@@ -205,7 +208,11 @@ lpfc_state_show(struct class_device cdev, char buf)
		len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n");
		break;

		case LPFC_STATE_UNKNOWN:
		case LPFC_VPORT_FAILED:
		len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n");
		break;

		case LPFC_VPORT_UNKNOWN:
		len += snprintf(buf + len, PAGE_SIZE - len,
		"Unknown\n");
		break;
		@@ -432,6 +439,151 @@ lpfc_board_mode_store(struct class_device cdev, const char buf, size_t count)
		return -EIO;
		}

		static ssize_t
		lpfc_max_vpi_show(struct class_device cdev, char buf)
		{
		struct Scsi_Host *shost = class_to_shost(cdev);
		struct lpfc_vport vport = (struct lpfc_vport ) shost->hostdata;
		struct lpfc_hba *phba = vport->phba;

		return snprintf(buf, PAGE_SIZE, "%d\n", phba->max_vpi);
		}

		static ssize_t
		lpfc_used_vpi_show(struct class_device cdev, char buf)
		{
		struct Scsi_Host *shost = class_to_shost(cdev);
		struct lpfc_vport vport = (struct lpfc_vport ) shost->hostdata;
		struct lpfc_hba *phba = vport->phba;

		/* Don't count the physical port */
		return snprintf(buf, PAGE_SIZE, "%d\n", phba->vpi_cnt-1);
		}

		int
		lpfc_get_hba_info(struct lpfc_hba phba, uint32_t mxri,
		uint32_t axri, uint32_t mrpi, uint32_t *arpi)
		{
		struct lpfc_sli *psli = &phba->sli;
		LPFC_MBOXQ_t *pmboxq;
		MAILBOX_t *pmb;
		int rc = 0;

		/*
		* prevent udev from issuing mailbox commands until the port is
		* configured.
		*/
		if (phba->link_state < LPFC_LINK_DOWN \|\|
		!phba->mbox_mem_pool \|\|
		(phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0)
		return 0;

		if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
		return 0;

		pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
		if (!pmboxq)
		return 0;
		memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));

		pmb = &pmboxq->mb;
		pmb->mbxCommand = MBX_READ_CONFIG;
		pmb->mbxOwner = OWN_HOST;
		pmboxq->context1 = NULL;

		if ((phba->pport->fc_flag & FC_OFFLINE_MODE) \|\|
		(!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
		rc = MBX_NOT_FINISHED;
		else
		rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);

		if (rc != MBX_SUCCESS) {
		if (rc == MBX_TIMEOUT)
		pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
		else
		mempool_free(pmboxq, phba->mbox_mem_pool);
		return 0;
		}

		if (mrpi)
		*mrpi = pmb->un.varRdConfig.max_rpi;
		if (arpi)
		*arpi = pmb->un.varRdConfig.avail_rpi;
		if (mxri)
		*mxri = pmb->un.varRdConfig.max_xri;
		if (axri)
		*axri = pmb->un.varRdConfig.avail_xri;

		mempool_free(pmboxq, phba->mbox_mem_pool);
		return 1;
		}

		static ssize_t
		lpfc_max_rpi_show(struct class_device cdev, char buf)
		{
		struct Scsi_Host *shost = class_to_shost(cdev);
		struct lpfc_vport vport = (struct lpfc_vport ) shost->hostdata;
		struct lpfc_hba *phba = vport->phba;
		uint32_t cnt;

		if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL))
		return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
		return snprintf(buf, PAGE_SIZE, "Unknown\n");
		}

		static ssize_t
		lpfc_used_rpi_show(struct class_device cdev, char buf)
		{
		struct Scsi_Host *shost = class_to_shost(cdev);
		struct lpfc_vport vport = (struct lpfc_vport ) shost->hostdata;
		struct lpfc_hba *phba = vport->phba;
		uint32_t cnt, acnt;

		if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt))
		return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
		return snprintf(buf, PAGE_SIZE, "Unknown\n");
		}

		static ssize_t
		lpfc_max_xri_show(struct class_device cdev, char buf)
		{
		struct Scsi_Host *shost = class_to_shost(cdev);
		struct lpfc_vport vport = (struct lpfc_vport ) shost->hostdata;
		struct lpfc_hba *phba = vport->phba;
		uint32_t cnt;

		if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL))
		return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
		return snprintf(buf, PAGE_SIZE, "Unknown\n");
		}

		static ssize_t
		lpfc_used_xri_show(struct class_device cdev, char buf)
		{
		struct Scsi_Host *shost = class_to_shost(cdev);
		struct lpfc_vport vport = (struct lpfc_vport ) shost->hostdata;
		struct lpfc_hba *phba = vport->phba;
		uint32_t cnt, acnt;

		if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL))
		return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
		return snprintf(buf, PAGE_SIZE, "Unknown\n");
		}

		static ssize_t
		lpfc_npiv_info_show(struct class_device cdev, char buf)
		{
		struct Scsi_Host *shost = class_to_shost(cdev);
		struct lpfc_vport vport = (struct lpfc_vport ) shost->hostdata;
		struct lpfc_hba *phba = vport->phba;

		if (!(phba->max_vpi))
		return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n");
		if (vport->port_type == LPFC_PHYSICAL_PORT)
		return snprintf(buf, PAGE_SIZE, "NPIV Physical\n");
		return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi);
		}

		static ssize_t
		lpfc_poll_show(struct class_device cdev, char buf)
		{
		@@ -640,6 +792,13 @@ static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
		static CLASS_DEVICE_ATTR(board_mode, S_IRUGO \| S_IWUSR,
		lpfc_board_mode_show, lpfc_board_mode_store);
		static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
		static CLASS_DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
		static CLASS_DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
		static CLASS_DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
		static CLASS_DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
		static CLASS_DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
		static CLASS_DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
		static CLASS_DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);


		static char *lpfc_soft_wwn_key = "C99G71SL8032A";
		@@ -829,6 +988,17 @@ MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
		static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO \| S_IWUSR,
		lpfc_poll_show, lpfc_poll_store);

		int lpfc_sli_mode = 0;
		module_param(lpfc_sli_mode, int, 0);
		MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:"
		" 0 - auto (SLI-3 if supported),"
		" 2 - select SLI-2 even on SLI-3 capable HBAs,"
		" 3 - select SLI-3");

		int lpfc_npiv_enable = 0;
		module_param(lpfc_npiv_enable, int, 0);
		MODULE_PARM_DESC(lpfc_npiv_enable, "Enable NPIV functionality");

		/*
		# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
		# until the timer expires. Value range is [0,255]. Default value is 30.
		@@ -984,6 +1154,33 @@ LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
		LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
		"Max number of FCP commands we can queue to a lpfc HBA");

		/*
		# peer_port_login: This parameter allows/prevents logins
		# between peer ports hosted on the same physical port.
		# When this parameter is set 0 peer ports of same physical port
		# are not allowed to login to each other.
		# When this parameter is set 1 peer ports of same physical port
		# are allowed to login to each other.
		# Default value of this parameter is 0.
		*/
		LPFC_ATTR_R(peer_port_login, 0, 0, 1,
		"Allow peer ports on the same physical port to login to each "
		"other.");

		/*
		# vport_restrict_login: This parameter allows/prevents logins
		# between Virtual Ports and remote initiators.
		# When this parameter is not set (0) Virtual Ports will accept PLOGIs from
		# other initiators and will attempt to PLOGI all remote ports.
		# When this parameter is set (1) Virtual Ports will reject PLOGIs from
		# remote ports and will not attempt to PLOGI to other initiators.
		# This parameter does not restrict to the physical port.
		# This parameter does not restrict logins to Fabric resident remote ports.
		# Default value of this parameter is 1.
		*/
		LPFC_ATTR_RW(vport_restrict_login, 1, 0, 1,
		"Restrict virtual ports login to remote initiators.");

		/*
		# Some disk devices have a "select ID" or "select Target" capability.
		# From a protocol standpoint "select ID" usually means select the
		@@ -1127,6 +1324,7 @@ LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
		LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible");



		struct class_device_attribute *lpfc_hba_attrs[] = {
		&class_device_attr_info,
		&class_device_attr_serialnum,
		@@ -1143,6 +1341,8 @@ struct class_device_attribute *lpfc_hba_attrs[] = {
		&class_device_attr_lpfc_log_verbose,
		&class_device_attr_lpfc_lun_queue_depth,
		&class_device_attr_lpfc_hba_queue_depth,
		&class_device_attr_lpfc_peer_port_login,
		&class_device_attr_lpfc_vport_restrict_login,
		&class_device_attr_lpfc_nodev_tmo,
		&class_device_attr_lpfc_devloss_tmo,
		&class_device_attr_lpfc_fcp_class,
		@@ -1161,6 +1361,13 @@ struct class_device_attribute *lpfc_hba_attrs[] = {
		&class_device_attr_nport_evt_cnt,
		&class_device_attr_management_version,
		&class_device_attr_board_mode,
		&class_device_attr_max_vpi,
		&class_device_attr_used_vpi,
		&class_device_attr_max_rpi,
		&class_device_attr_used_rpi,
		&class_device_attr_max_xri,
		&class_device_attr_used_xri,
		&class_device_attr_npiv_info,
		&class_device_attr_issue_reset,
		&class_device_attr_lpfc_poll,
		&class_device_attr_lpfc_poll_tmo,
		@@ -1406,6 +1613,8 @@ sysfs_mbox_read(struct kobject kobj, char buf, loff_t off, size_t count)
		return -EPERM;
		}

		phba->sysfs_mbox.mbox->vport = vport;

		if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
		sysfs_mbox_idle(phba);
		spin_unlock_irq(&phba->hbalock);
		@@ -1527,7 +1736,9 @@ lpfc_get_host_port_type(struct Scsi_Host *shost)

		spin_lock_irq(shost->host_lock);

		if (lpfc_is_link_up(phba)) {
		if (vport->port_type == LPFC_NPIV_PORT) {
		fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
		} else if (lpfc_is_link_up(phba)) {
		if (phba->fc_topology == TOPOLOGY_LOOP) {
		if (vport->fc_flag & FC_PUBLIC_LOOP)
		fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
		@@ -1563,6 +1774,7 @@ lpfc_get_host_port_state(struct Scsi_Host *shost)
		break;
		case LPFC_LINK_UP:
		case LPFC_CLEAR_LA:
		case LPFC_HBA_READY:
		/* Links up, beyond this port_type reports state */
		fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
		break;
		@@ -1644,8 +1856,9 @@ lpfc_get_stats(struct Scsi_Host *shost)
		unsigned long seconds;
		int rc = 0;

		/* prevent udev from issuing mailbox commands
		* until the port is configured.
		/*
		* prevent udev from issuing mailbox commands until the port is
		* configured.
		*/
		if (phba->link_state < LPFC_LINK_DOWN \|\|
		!phba->mbox_mem_pool \|\|
		@@ -1664,6 +1877,7 @@ lpfc_get_stats(struct Scsi_Host *shost)
		pmb->mbxCommand = MBX_READ_STATUS;
		pmb->mbxOwner = OWN_HOST;
		pmboxq->context1 = NULL;
		pmboxq->vport = vport;

		if ((vport->fc_flag & FC_OFFLINE_MODE) \|\|
		(!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
		@@ -1690,6 +1904,7 @@ lpfc_get_stats(struct Scsi_Host *shost)
		pmb->mbxCommand = MBX_READ_LNK_STAT;
		pmb->mbxOwner = OWN_HOST;
		pmboxq->context1 = NULL;
		pmboxq->vport = vport;

		if ((vport->fc_flag & FC_OFFLINE_MODE) \|\|
		(!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
		@@ -1769,6 +1984,7 @@ lpfc_reset_stats(struct Scsi_Host *shost)
		pmb->mbxOwner = OWN_HOST;
		pmb->un.varWords[0] = 0x1; /* reset request */
		pmboxq->context1 = NULL;
		pmboxq->vport = vport;

		if ((vport->fc_flag & FC_OFFLINE_MODE) \|\|
		(!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
		@@ -1788,6 +2004,7 @@ lpfc_reset_stats(struct Scsi_Host *shost)
		pmb->mbxCommand = MBX_READ_LNK_STAT;
		pmb->mbxOwner = OWN_HOST;
		pmboxq->context1 = NULL;
		pmboxq->vport = vport;

		if ((vport->fc_flag & FC_OFFLINE_MODE) \|\|
		(!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
		@@ -1950,6 +2167,69 @@ struct fc_function_template lpfc_transport_functions = {
		.issue_fc_host_lip = lpfc_issue_lip,
		.dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
		.terminate_rport_io = lpfc_terminate_rport_io,

		.vport_create = lpfc_vport_create,
		.vport_delete = lpfc_vport_delete,
		.dd_fcvport_size = sizeof(struct lpfc_vport *),
		};

		struct fc_function_template lpfc_vport_transport_functions = {
		/* fixed attributes the driver supports */
		.show_host_node_name = 1,
		.show_host_port_name = 1,
		.show_host_supported_classes = 1,
		.show_host_supported_fc4s = 1,
		.show_host_supported_speeds = 1,
		.show_host_maxframe_size = 1,

		/* dynamic attributes the driver supports */
		.get_host_port_id = lpfc_get_host_port_id,
		.show_host_port_id = 1,

		.get_host_port_type = lpfc_get_host_port_type,
		.show_host_port_type = 1,

		.get_host_port_state = lpfc_get_host_port_state,
		.show_host_port_state = 1,

		/* active_fc4s is shown but doesn't change (thus no get function) */
		.show_host_active_fc4s = 1,

		.get_host_speed = lpfc_get_host_speed,
		.show_host_speed = 1,

		.get_host_fabric_name = lpfc_get_host_fabric_name,
		.show_host_fabric_name = 1,

		/*
		* The LPFC driver treats linkdown handling as target loss events
		* so there are no sysfs handlers for link_down_tmo.
		*/

		.get_fc_host_stats = lpfc_get_stats,
		.reset_fc_host_stats = lpfc_reset_stats,

		.dd_fcrport_size = sizeof(struct lpfc_rport_data),
		.show_rport_maxframe_size = 1,
		.show_rport_supported_classes = 1,

		.set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
		.show_rport_dev_loss_tmo = 1,

		.get_starget_port_id = lpfc_get_starget_port_id,
		.show_starget_port_id = 1,

		.get_starget_node_name = lpfc_get_starget_node_name,
		.show_starget_node_name = 1,

		.get_starget_port_name = lpfc_get_starget_port_name,
		.show_starget_port_name = 1,

		.issue_fc_host_lip = lpfc_issue_lip,
		.dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
		.terminate_rport_io = lpfc_terminate_rport_io,

		.vport_disable = lpfc_vport_disable,
		};

		void
		@@ -1972,6 +2252,8 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
		lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
		lpfc_max_luns_init(phba, lpfc_max_luns);
		lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
		lpfc_peer_port_login_init(phba, lpfc_peer_port_login);
		lpfc_vport_restrict_login_init(phba, lpfc_vport_restrict_login);
		lpfc_use_msi_init(phba, lpfc_use_msi);
		lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo);
		lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);

drivers/scsi/lpfc/lpfc_crtn.h

+56 −15

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drivers/scsi/lpfc/lpfc_ct.c

+386 −134

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