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95 lines
2.3 KiB
95 lines
2.3 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* QLogic iSCSI HBA Driver |
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* Copyright (c) 2003-2013 QLogic Corporation |
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*/ |
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/* |
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* |
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* qla4xxx_lookup_ddb_by_fw_index |
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* This routine locates a device handle given the firmware device |
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* database index. If device doesn't exist, returns NULL. |
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* |
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* Input: |
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* ha - Pointer to host adapter structure. |
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* fw_ddb_index - Firmware's device database index |
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* |
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* Returns: |
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* Pointer to the corresponding internal device database structure |
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*/ |
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static inline struct ddb_entry * |
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qla4xxx_lookup_ddb_by_fw_index(struct scsi_qla_host *ha, uint32_t fw_ddb_index) |
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{ |
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struct ddb_entry *ddb_entry = NULL; |
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if ((fw_ddb_index < MAX_DDB_ENTRIES) && |
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(ha->fw_ddb_index_map[fw_ddb_index] != |
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(struct ddb_entry *) INVALID_ENTRY)) { |
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ddb_entry = ha->fw_ddb_index_map[fw_ddb_index]; |
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} |
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DEBUG3(printk("scsi%d: %s: ddb [%d], ddb_entry = %p\n", |
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ha->host_no, __func__, fw_ddb_index, ddb_entry)); |
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return ddb_entry; |
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} |
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static inline void |
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__qla4xxx_enable_intrs(struct scsi_qla_host *ha) |
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{ |
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if (is_qla4022(ha) | is_qla4032(ha)) { |
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writel(set_rmask(IMR_SCSI_INTR_ENABLE), |
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&ha->reg->u1.isp4022.intr_mask); |
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readl(&ha->reg->u1.isp4022.intr_mask); |
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} else { |
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writel(set_rmask(CSR_SCSI_INTR_ENABLE), &ha->reg->ctrl_status); |
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readl(&ha->reg->ctrl_status); |
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} |
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set_bit(AF_INTERRUPTS_ON, &ha->flags); |
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} |
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static inline void |
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__qla4xxx_disable_intrs(struct scsi_qla_host *ha) |
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{ |
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if (is_qla4022(ha) | is_qla4032(ha)) { |
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writel(clr_rmask(IMR_SCSI_INTR_ENABLE), |
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&ha->reg->u1.isp4022.intr_mask); |
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readl(&ha->reg->u1.isp4022.intr_mask); |
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} else { |
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writel(clr_rmask(CSR_SCSI_INTR_ENABLE), &ha->reg->ctrl_status); |
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readl(&ha->reg->ctrl_status); |
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} |
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clear_bit(AF_INTERRUPTS_ON, &ha->flags); |
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} |
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static inline void |
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qla4xxx_enable_intrs(struct scsi_qla_host *ha) |
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{ |
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unsigned long flags; |
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spin_lock_irqsave(&ha->hardware_lock, flags); |
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__qla4xxx_enable_intrs(ha); |
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spin_unlock_irqrestore(&ha->hardware_lock, flags); |
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} |
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static inline void |
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qla4xxx_disable_intrs(struct scsi_qla_host *ha) |
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{ |
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unsigned long flags; |
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spin_lock_irqsave(&ha->hardware_lock, flags); |
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__qla4xxx_disable_intrs(ha); |
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spin_unlock_irqrestore(&ha->hardware_lock, flags); |
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} |
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static inline int qla4xxx_get_chap_type(struct ql4_chap_table *chap_entry) |
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{ |
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int type; |
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if (chap_entry->flags & BIT_7) |
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type = LOCAL_CHAP; |
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else |
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type = BIDI_CHAP; |
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return type; |
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}
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