1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495 |
- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * QLogic iSCSI HBA Driver
- * Copyright (c) 2003-2013 QLogic Corporation
- */
- /*
- *
- * 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;
- }
|