/drivers/scsi/aacraid/nark.c
http://github.com/mirrors/linux · C · 71 lines · 35 code · 7 blank · 29 comment · 5 complexity · c4d18267e33d9015470145a975c845b0 MD5 · raw file
- // 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
- * @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);
- }