linux/drivers/scsi/hisi_sas/hisi_sas.h
John Garry e26b2f405a hisi_sas: Scan device tree
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>
2015-11-25 22:12:52 -05:00

71 lines
1.6 KiB
C

/*
* Copyright (c) 2015 Linaro Ltd.
* Copyright (c) 2015 Hisilicon Limited.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#ifndef _HISI_SAS_H_
#define _HISI_SAS_H_
#include <linux/dmapool.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <scsi/libsas.h>
#define DRV_VERSION "v1.0"
#define HISI_SAS_MAX_PHYS 9
#define HISI_SAS_MAX_ITCT_ENTRIES 4096
#define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES
#define HISI_SAS_COMMAND_ENTRIES 8192
#define HISI_SAS_NAME_LEN 32
struct hisi_sas_phy {
struct asd_sas_phy sas_phy;
};
struct hisi_sas_port {
struct asd_sas_port sas_port;
};
struct hisi_sas_hw {
};
struct hisi_hba {
/* This must be the first element, used by SHOST_TO_SAS_HA */
struct sas_ha_struct *p;
struct platform_device *pdev;
void __iomem *regs;
struct regmap *ctrl;
u32 ctrl_reset_reg;
u32 ctrl_reset_sts_reg;
u32 ctrl_clock_ena_reg;
u8 sas_addr[SAS_ADDR_SIZE];
int n_phy;
/* SCSI/SAS glue */
struct sas_ha_struct sha;
struct Scsi_Host *shost;
struct hisi_sas_phy phy[HISI_SAS_MAX_PHYS];
struct hisi_sas_port port[HISI_SAS_MAX_PHYS];
int queue_count;
char *int_names;
const struct hisi_sas_hw *hw; /* Low level hw interface */
};
#define HISI_SAS_SGE_PAGE_CNT SCSI_MAX_SG_SEGMENTS
#endif