[SCSI] lpfc 8.2.8 : Add new FCOE hardware support

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

7 files changed, 153 insertions, 19 deletions

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index f57a416033b9..aee5444b63d9 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -613,6 +613,7 @@ struct lpfc_hba {
         unsigned long last_completion_time;
         struct timer_list hb_tmofunc;
         uint8_t hb_outstanding;
+        enum hba_temp_state over_temp_state;
         /* ndlp reference management */
         spinlock_t ndlp_lock;
         /*
@@ -621,7 +622,8 @@ struct lpfc_hba {
          */
 #define QUE_BUFTAG_BIT  (1<<31)
         uint32_t buffer_tag_count;
-        enum hba_temp_state over_temp_state;
+        int wait_4_mlo_maint_flg;
+        wait_queue_head_t wait_4_mlo_m_q;
 };
 
 static inline struct Scsi_Host *
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 172b6b0a5704..b9acc6eefe62 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -211,6 +211,25 @@ lpfc_programtype_show(struct device *dev, struct device_attribute *attr,
 }
 
 /**
+ * lpfc_mlomgmt_show: Return the Menlo Maintenance sli flag.
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the Menlo Maintenance sli flag.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+        struct Scsi_Host  *shost = class_to_shost(dev);
+        struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+        struct lpfc_hba   *phba = vport->phba;
+
+        return snprintf(buf, PAGE_SIZE, "%d\n",
+                (phba->sli.sli_flag & LPFC_MENLO_MAINT));
+}
+
+/**
  * lpfc_vportnum_show: Return the port number in ascii of the hba.
  * @dev: class converted to a Scsi_host structure.
  * @attr: device attribute, not used.
@@ -352,8 +371,10 @@ lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
                                         "Unknown\n");
                         break;
                 }
-
-                if (phba->fc_topology == TOPOLOGY_LOOP) {
+                if (phba->sli.sli_flag & LPFC_MENLO_MAINT)
+                        len += snprintf(buf + len, PAGE_SIZE-len,
+                                        "   Menlo Maint Mode\n");
+                else if (phba->fc_topology == TOPOLOGY_LOOP) {
                         if (vport->fc_flag & FC_PUBLIC_LOOP)
                                 len += snprintf(buf + len, PAGE_SIZE-len,
                                                 "   Public Loop\n");
@@ -1476,6 +1497,7 @@ static DEVICE_ATTR(option_rom_version, S_IRUGO,
                    lpfc_option_rom_version_show, NULL);
 static DEVICE_ATTR(num_discovered_ports, S_IRUGO,
                    lpfc_num_discovered_ports_show, NULL);
+static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL);
 static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
 static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL);
 static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
@@ -2395,6 +2417,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
         &dev_attr_option_rom_version,
         &dev_attr_link_state,
         &dev_attr_num_discovered_ports,
+        &dev_attr_menlo_mgmt_mode,
         &dev_attr_lpfc_drvr_version,
         &dev_attr_lpfc_temp_sensor,
         &dev_attr_lpfc_log_verbose,
@@ -2763,6 +2786,8 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
                 case MBX_DEL_LD_ENTRY:
                 case MBX_SET_VARIABLE:
                 case MBX_WRITE_WWN:
+                case MBX_PORT_CAPABILITIES:
+                case MBX_PORT_IOV_CONTROL:
                         break;
                 case MBX_READ_SPARM64:
                 case MBX_READ_LA:
@@ -2867,7 +2892,7 @@ static struct bin_attribute sysfs_mbox_attr = {
 };
 
 /**
- * lpfc_alloc_sysfs_attr: Creates the sysfs, ctlreg, menlo and mbox entries.
+ * lpfc_alloc_sysfs_attr: Creates the ctlreg and mbox entries.
  * @vport: address of lpfc vport structure.
  *
  * Return codes:
@@ -2898,7 +2923,7 @@ out:
 }
 
 /**
- * lpfc_free_sysfs_attr: Removes the sysfs, ctlreg, menlo and mbox entries.
+ * lpfc_free_sysfs_attr: Removes the ctlreg and mbox entries.
  * @vport: address of lpfc vport structure.
  **/
 void
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 72c1cf15ef2b..b4ef83623532 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1013,14 +1013,10 @@ out:
 }
 
 static void
-lpfc_mbx_issue_link_down(struct lpfc_hba *phba)
+lpfc_enable_la(struct lpfc_hba *phba)
 {
         uint32_t control;
         struct lpfc_sli *psli = &phba->sli;
-
-        lpfc_linkdown(phba);
-
-        /* turn on Link Attention interrupts - no CLEAR_LA needed */
         spin_lock_irq(&phba->hbalock);
         psli->sli_flag |= LPFC_PROCESS_LA;
         control = readl(phba->HCregaddr);
@@ -1030,6 +1026,15 @@ lpfc_mbx_issue_link_down(struct lpfc_hba *phba)
         spin_unlock_irq(&phba->hbalock);
 }
 
+static void
+lpfc_mbx_issue_link_down(struct lpfc_hba *phba)
+{
+        lpfc_linkdown(phba);
+        lpfc_enable_la(phba);
+        /* turn on Link Attention interrupts - no CLEAR_LA needed */
+}
+
+
 /*
  * This routine handles processing a READ_LA mailbox
  * command upon completion. It is setup in the LPFC_MBOXQ
@@ -1077,8 +1082,12 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
         }
 
         phba->fc_eventTag = la->eventTag;
+        if (la->mm)
+                phba->sli.sli_flag |= LPFC_MENLO_MAINT;
+        else
+                phba->sli.sli_flag &= ~LPFC_MENLO_MAINT;
 
-        if (la->attType == AT_LINK_UP) {
+        if (la->attType == AT_LINK_UP && (!la->mm)) {
                 phba->fc_stat.LinkUp++;
                 if (phba->link_flag & LS_LOOPBACK_MODE) {
                         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
@@ -1090,13 +1099,15 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
                 } else {
                         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
                                         "1303 Link Up Event x%x received "
-                                        "Data: x%x x%x x%x x%x\n",
+                                        "Data: x%x x%x x%x x%x x%x x%x %d\n",
                                         la->eventTag, phba->fc_eventTag,
                                         la->granted_AL_PA, la->UlnkSpeed,
-                                        phba->alpa_map[0]);
+                                        phba->alpa_map[0],
+                                        la->mm, la->fa,
+                                        phba->wait_4_mlo_maint_flg);
                 }
                 lpfc_mbx_process_link_up(phba, la);
-        } else {
+        } else if (la->attType == AT_LINK_DOWN) {
                 phba->fc_stat.LinkDown++;
                 if (phba->link_flag & LS_LOOPBACK_MODE) {
                         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
@@ -1109,11 +1120,46 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
                 else {
                         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
                                 "1305 Link Down Event x%x received "
+                                "Data: x%x x%x x%x x%x x%x\n",
+                                la->eventTag, phba->fc_eventTag,
+                                phba->pport->port_state, vport->fc_flag,
+                                la->mm, la->fa);
+                }
+                lpfc_mbx_issue_link_down(phba);
+        }
+        if (la->mm && la->attType == AT_LINK_UP) {
+                if (phba->link_state != LPFC_LINK_DOWN) {
+                        phba->fc_stat.LinkDown++;
+                        lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
+                                "1312 Link Down Event x%x received "
+                                "Data: x%x x%x x%x\n",
+                                la->eventTag, phba->fc_eventTag,
+                                phba->pport->port_state, vport->fc_flag);
+                        lpfc_mbx_issue_link_down(phba);
+                } else
+                        lpfc_enable_la(phba);
+
+                lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
+                                "1310 Menlo Maint Mode Link up Event x%x rcvd "
                                 "Data: x%x x%x x%x\n",
                                 la->eventTag, phba->fc_eventTag,
                                 phba->pport->port_state, vport->fc_flag);
+                /*
+                 * The cmnd that triggered this will be waiting for this
+                 * signal.
+                 */
+                /* WAKEUP for MENLO_SET_MODE or MENLO_RESET command. */
+                if (phba->wait_4_mlo_maint_flg) {
+                        phba->wait_4_mlo_maint_flg = 0;
+                        wake_up_interruptible(&phba->wait_4_mlo_m_q);
                 }
-                lpfc_mbx_issue_link_down(phba);
+        }
+
+        if (la->fa) {
+                if (la->mm)
+                        lpfc_issue_clear_la(phba, vport);
+                lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
+                                "1311 fa %d\n", la->fa);
         }
 
 lpfc_mbx_cmpl_read_la_free_mbuf:
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 9f94dab5ea73..ee4e50175ca8 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -1107,6 +1107,8 @@ typedef struct {
 /* Start FireFly Register definitions */
 #define PCI_VENDOR_ID_EMULEX        0x10df
 #define PCI_DEVICE_ID_FIREFLY       0x1ae5
+#define PCI_DEVICE_ID_PROTEUS_VF    0xe100
+#define PCI_DEVICE_ID_PROTEUS_PF    0xe180
 #define PCI_DEVICE_ID_SAT_SMB       0xf011
 #define PCI_DEVICE_ID_SAT_MID       0xf015
 #define PCI_DEVICE_ID_RFLY          0xf095
@@ -1133,10 +1135,12 @@ typedef struct {
 #define PCI_DEVICE_ID_LP11000S      0xfc10
 #define PCI_DEVICE_ID_LPE11000S     0xfc20
 #define PCI_DEVICE_ID_SAT_S         0xfc40
+#define PCI_DEVICE_ID_PROTEUS_S     0xfc50
 #define PCI_DEVICE_ID_HELIOS        0xfd00
 #define PCI_DEVICE_ID_HELIOS_SCSP   0xfd11
 #define PCI_DEVICE_ID_HELIOS_DCSP   0xfd12
 #define PCI_DEVICE_ID_ZEPHYR        0xfe00
+#define PCI_DEVICE_ID_HORNET        0xfe05
 #define PCI_DEVICE_ID_ZEPHYR_SCSP   0xfe11
 #define PCI_DEVICE_ID_ZEPHYR_DCSP   0xfe12
 
@@ -1154,6 +1158,7 @@ typedef struct {
 #define ZEPHYR_JEDEC_ID             0x0577
 #define VIPER_JEDEC_ID              0x4838
 #define SATURN_JEDEC_ID             0x1004
+#define HORNET_JDEC_ID              0x2057706D
 
 #define JEDEC_ID_MASK               0x0FFFF000
 #define JEDEC_ID_SHIFT              12
@@ -1289,6 +1294,9 @@ typedef struct {		/* FireFly BIU registers */
 #define MBX_WRITE_VPARMS    0x32
 #define MBX_ASYNCEVT_ENABLE 0x33
 
+#define MBX_PORT_CAPABILITIES 0x3B
+#define MBX_PORT_IOV_CONTROL 0x3C
+
 #define MBX_CONFIG_HBQ      0x7C
 #define MBX_LOAD_AREA       0x81
 #define MBX_RUN_BIU_DIAG64  0x84
@@ -2195,7 +2203,10 @@ typedef struct {
 typedef struct {
         uint32_t eventTag;      /* Event tag */
 #ifdef __BIG_ENDIAN_BITFIELD
-        uint32_t rsvd1:22;
+        uint32_t rsvd1:19;
+        uint32_t fa:1;
+        uint32_t mm:1;          /* Menlo Maintenance mode enabled */
+        uint32_t rx:1;
         uint32_t pb:1;
         uint32_t il:1;
         uint32_t attType:8;
@@ -2203,7 +2214,10 @@ typedef struct {
         uint32_t attType:8;
         uint32_t il:1;
         uint32_t pb:1;
-        uint32_t rsvd1:22;
+        uint32_t rx:1;
+        uint32_t mm:1;
+        uint32_t fa:1;
+        uint32_t rsvd1:19;
 #endif
 
 #define AT_RESERVED    0x00     /* Reserved - attType */
@@ -2224,6 +2238,7 @@ typedef struct {
 
 #define TOPOLOGY_PT_PT 0x01     /* Topology is pt-pt / pt-fabric */
 #define TOPOLOGY_LOOP  0x02     /* Topology is FC-AL */
+#define TOPOLOGY_LNK_MENLO_MAINTENANCE 0x05 /* maint mode zephtr to menlo */
 
         union {
                 struct ulp_bde lilpBde; /* This BDE points to a 128 byte buffer
@@ -3346,3 +3361,10 @@ lpfc_error_lost_link(IOCB_t *iocbp)
                  iocbp->un.ulpWord[4] == IOERR_LINK_DOWN ||
                  iocbp->un.ulpWord[4] == IOERR_SLI_DOWN));
 }
+
+#define MENLO_TRANSPORT_TYPE 0xfe
+#define MENLO_CONTEXT 0
+#define MENLO_PU 3
+#define MENLO_TIMEOUT 30
+#define SETVAR_MLOMNT 0x103107
+#define SETVAR_MLORST 0x103007
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index b8989c43aaf2..41a8c13e6950 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1130,6 +1130,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
         lpfc_vpd_t *vp;
         uint16_t dev_id = phba->pcidev->device;
         int max_speed;
+        int GE = 0;
         struct {
                 char * name;
                 int    max_speed;
@@ -1261,6 +1262,19 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
         case PCI_DEVICE_ID_SAT_S:
                 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
                 break;
+        case PCI_DEVICE_ID_HORNET:
+                m = (typeof(m)){"LP21000", max_speed, "PCIe"};
+                GE = 1;
+                break;
+        case PCI_DEVICE_ID_PROTEUS_VF:
+                m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"};
+                break;
+        case PCI_DEVICE_ID_PROTEUS_PF:
+                m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"};
+                break;
+        case PCI_DEVICE_ID_PROTEUS_S:
+                m = (typeof(m)) {"LPemv12002-S", max_speed, "PCIe IOV"};
+                break;
         default:
                 m = (typeof(m)){ NULL };
                 break;
@@ -1270,8 +1284,11 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
                 snprintf(mdp, 79,"%s", m.name);
         if (descp && descp[0] == '\0')
                 snprintf(descp, 255,
-                         "Emulex %s %dGb %s Fibre Channel Adapter",
-                         m.name, m.max_speed, m.bus);
+                        "Emulex %s %d%s %s %s",
+                        m.name, m.max_speed,
+                        (GE) ? "GE" : "Gb",
+                        m.bus,
+                        (GE) ? "FCoE Adapter" : "Fibre Channel Adapter");
 }
 
 /**
@@ -2248,6 +2265,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
                 goto out_free_phba;
 
         INIT_LIST_HEAD(&phba->port_list);
+        init_waitqueue_head(&phba->wait_4_mlo_m_q);
         /*
          * Get all the module params for configuring this host and then
          * establish the host.
@@ -2796,6 +2814,8 @@ static struct pci_device_id lpfc_id_table[] = {
                 PCI_ANY_ID, PCI_ANY_ID, },
         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
                 PCI_ANY_ID, PCI_ANY_ID, },
+        {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
+                PCI_ANY_ID, PCI_ANY_ID, },
         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
                 PCI_ANY_ID, PCI_ANY_ID, },
         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
@@ -2826,6 +2846,12 @@ static struct pci_device_id lpfc_id_table[] = {
                 PCI_ANY_ID, PCI_ANY_ID, },
         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
                 PCI_ANY_ID, PCI_ANY_ID, },
+        {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
+                PCI_ANY_ID, PCI_ANY_ID, },
+        {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
+                PCI_ANY_ID, PCI_ANY_ID, },
+        {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
+                PCI_ANY_ID, PCI_ANY_ID, },
         { 0 }
 };
 
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index c7a520fa1aaa..857bc0a57c47 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1050,6 +1050,8 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand)
         case MBX_REG_VPI:
         case MBX_UNREG_VPI:
         case MBX_HEARTBEAT:
+        case MBX_PORT_CAPABILITIES:
+        case MBX_PORT_IOV_CONTROL:
                 ret = mbxCommand;
                 break;
         default:
@@ -3697,6 +3699,16 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
                  * can be issued if the link is not up.
                  */
                 switch (piocb->iocb.ulpCommand) {
+                case CMD_GEN_REQUEST64_CR:
+                case CMD_GEN_REQUEST64_CX:
+                        if (!(phba->sli.sli_flag & LPFC_MENLO_MAINT) ||
+                                (piocb->iocb.un.genreq64.w5.hcsw.Rctl !=
+                                        FC_FCP_CMND) ||
+                                (piocb->iocb.un.genreq64.w5.hcsw.Type !=
+                                        MENLO_TRANSPORT_TYPE))
+
+                                goto iocb_busy;
+                        break;
                 case CMD_QUE_RING_BUF_CN:
                 case CMD_QUE_RING_BUF64_CN:
                         /*
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index 7249fd252cbb..883938652a6a 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -233,6 +233,7 @@ struct lpfc_sli {
 #define LPFC_SLI2_ACTIVE          0x200 /* SLI2 overlay in firmware is active */
 #define LPFC_PROCESS_LA           0x400 /* Able to process link attention */
 #define LPFC_BLOCK_MGMT_IO        0x800 /* Don't allow mgmt mbx or iocb cmds */
+#define LPFC_MENLO_MAINT          0x1000 /* need for menl fw download */
 
         struct lpfc_sli_ring ring[LPFC_MAX_RING];
         int fcp_ring;           /* ring used for FCP initiator commands */