ql4_inline.h

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/*
 * QLogic iSCSI HBA Driver
 * Copyright (c)  2003-2012 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);
}