73 строки
1.6 KiB
C
73 строки
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Adaptec AAC series RAID controller driver
|
|
*
|
|
* based on the old aacraid driver that is..
|
|
* Adaptec aacraid device driver for Linux.
|
|
*
|
|
* Copyright (c) 2000-2010 Adaptec, Inc.
|
|
* 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
|
|
* 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
|
|
*
|
|
* Module Name:
|
|
* nark.c
|
|
*
|
|
* Abstract: Hardware Device Interface for NEMER/ARK
|
|
*/
|
|
|
|
#include <linux/pci.h>
|
|
#include <linux/blkdev.h>
|
|
|
|
#include <scsi/scsi_host.h>
|
|
|
|
#include "aacraid.h"
|
|
|
|
/**
|
|
* aac_nark_ioremap
|
|
* @dev: device to ioremap
|
|
* @size: mapping resize request
|
|
*
|
|
*/
|
|
static int aac_nark_ioremap(struct aac_dev * dev, u32 size)
|
|
{
|
|
if (!size) {
|
|
iounmap(dev->regs.rx);
|
|
dev->regs.rx = NULL;
|
|
iounmap(dev->base);
|
|
dev->base = NULL;
|
|
return 0;
|
|
}
|
|
dev->base_start = pci_resource_start(dev->pdev, 2);
|
|
dev->regs.rx = ioremap((u64)pci_resource_start(dev->pdev, 0) |
|
|
((u64)pci_resource_start(dev->pdev, 1) << 32),
|
|
sizeof(struct rx_registers) - sizeof(struct rx_inbound));
|
|
dev->base = NULL;
|
|
if (dev->regs.rx == NULL)
|
|
return -1;
|
|
dev->base = ioremap(dev->base_start, size);
|
|
if (dev->base == NULL) {
|
|
iounmap(dev->regs.rx);
|
|
dev->regs.rx = NULL;
|
|
return -1;
|
|
}
|
|
dev->IndexRegs = &((struct rx_registers __iomem *)dev->base)->IndexRegs;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* aac_nark_init - initialize an NEMER/ARK Split Bar card
|
|
* @dev: device to configure
|
|
*
|
|
*/
|
|
|
|
int aac_nark_init(struct aac_dev * dev)
|
|
{
|
|
/*
|
|
* Fill in the function dispatch table.
|
|
*/
|
|
dev->a_ops.adapter_ioremap = aac_nark_ioremap;
|
|
dev->a_ops.adapter_comm = aac_rx_select_comm;
|
|
|
|
return _aac_rx_init(dev);
|
|
}
|