e26b2f405a
Scan the device tree for all properties. Also do this: - do ioremap for SAS registers - allocate memory for interrupt names Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/*
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* Copyright (c) 2015 Linaro Ltd.
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* Copyright (c) 2015 Hisilicon Limited.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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*/
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#ifndef _HISI_SAS_H_
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#define _HISI_SAS_H_
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#include <linux/dmapool.h>
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#include <linux/mfd/syscon.h>
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#include <linux/module.h>
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#include <linux/of_address.h>
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#include <linux/of_irq.h>
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#include <linux/platform_device.h>
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#include <linux/regmap.h>
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#include <scsi/libsas.h>
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#define DRV_VERSION "v1.0"
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#define HISI_SAS_MAX_PHYS 9
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#define HISI_SAS_MAX_ITCT_ENTRIES 4096
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#define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES
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#define HISI_SAS_COMMAND_ENTRIES 8192
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#define HISI_SAS_NAME_LEN 32
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struct hisi_sas_phy {
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struct asd_sas_phy sas_phy;
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};
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struct hisi_sas_port {
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struct asd_sas_port sas_port;
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};
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struct hisi_sas_hw {
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};
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struct hisi_hba {
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/* This must be the first element, used by SHOST_TO_SAS_HA */
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struct sas_ha_struct *p;
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struct platform_device *pdev;
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void __iomem *regs;
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struct regmap *ctrl;
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u32 ctrl_reset_reg;
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u32 ctrl_reset_sts_reg;
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u32 ctrl_clock_ena_reg;
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u8 sas_addr[SAS_ADDR_SIZE];
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int n_phy;
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/* SCSI/SAS glue */
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struct sas_ha_struct sha;
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struct Scsi_Host *shost;
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struct hisi_sas_phy phy[HISI_SAS_MAX_PHYS];
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struct hisi_sas_port port[HISI_SAS_MAX_PHYS];
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int queue_count;
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char *int_names;
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const struct hisi_sas_hw *hw; /* Low level hw interface */
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};
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#define HISI_SAS_SGE_PAGE_CNT SCSI_MAX_SG_SEGMENTS
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#endif
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