/* * QLogic iSCSI HBA Driver * Copyright (c) 2003-2013 QLogic Corporation * * See LICENSE.qla4xxx for copyright and licensing details. */ /* * * qla4xxx_lookup_ddb_by_fw_index * This routine locates a device handle given the firmware device * database index. If device doesn't exist, returns NULL. * * Input: * ha - Pointer to host adapter structure. * fw_ddb_index - Firmware's device database index * * Returns: * Pointer to the corresponding internal device database structure */ static inline struct ddb_entry * qla4xxx_lookup_ddb_by_fw_index(struct scsi_qla_host *ha, uint32_t fw_ddb_index) { struct ddb_entry *ddb_entry = NULL; if ((fw_ddb_index < MAX_DDB_ENTRIES) && (ha->fw_ddb_index_map[fw_ddb_index] != (struct ddb_entry *) INVALID_ENTRY)) { ddb_entry = ha->fw_ddb_index_map[fw_ddb_index]; } DEBUG3(printk("scsi%d: %s: ddb [%d], ddb_entry = %p\n", ha->host_no, __func__, fw_ddb_index, ddb_entry)); return ddb_entry; } static inline void __qla4xxx_enable_intrs(struct scsi_qla_host *ha) { if (is_qla4022(ha) | is_qla4032(ha)) { writel(set_rmask(IMR_SCSI_INTR_ENABLE), &ha->reg->u1.isp4022.intr_mask); readl(&ha->reg->u1.isp4022.intr_mask); } else { writel(set_rmask(CSR_SCSI_INTR_ENABLE), &ha->reg->ctrl_status); readl(&ha->reg->ctrl_status); } set_bit(AF_INTERRUPTS_ON, &ha->flags); } static inline void __qla4xxx_disable_intrs(struct scsi_qla_host *ha) { if (is_qla4022(ha) | is_qla4032(ha)) { writel(clr_rmask(IMR_SCSI_INTR_ENABLE), &ha->reg->u1.isp4022.intr_mask); readl(&ha->reg->u1.isp4022.intr_mask); } else { writel(clr_rmask(CSR_SCSI_INTR_ENABLE), &ha->reg->ctrl_status); readl(&ha->reg->ctrl_status); } clear_bit(AF_INTERRUPTS_ON, &ha->flags); } static inline void qla4xxx_enable_intrs(struct scsi_qla_host *ha) { unsigned long flags; spin_lock_irqsave(&ha->hardware_lock, flags); __qla4xxx_enable_intrs(ha); spin_unlock_irqrestore(&ha->hardware_lock, flags); } static inline void qla4xxx_disable_intrs(struct scsi_qla_host *ha) { unsigned long flags; spin_lock_irqsave(&ha->hardware_lock, flags); __qla4xxx_disable_intrs(ha); spin_unlock_irqrestore(&ha->hardware_lock, flags); } static inline int qla4xxx_get_chap_type(struct ql4_chap_table *chap_entry) { int type; if (chap_entry->flags & BIT_7) type = LOCAL_CHAP; else type = BIDI_CHAP; return type; }