e8b12f0fb8
Added new hardware device 0x28b interface for PMC-Sierra's SRC based
controller family.
- new src.c file for 0x28b specific functions
- new XPORT header required
- sync. command interface: doorbell bits shifted (SRC_ODR_SHIFT, SRC_IDR_SHIFT)
- async. Interface: different inbound queue handling, no outbound I2O
queue available, using doorbell ("PmDoorBellResponseSent") and
response buffer on the host ("host_rrq") for status
- changed AIF (adapter initiated FIBs) interface: "DoorBellAifPending"
bit to inform about pending AIF, "AifRequest" command to read AIF,
"NoMoreAifDataAvailable" to mark the end of the AIFs
Signed-off-by: Mahesh Rajashekhara <aacraid@pmc-sierra.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/*
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* Adaptec AAC series RAID controller driver
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*
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* based on the old aacraid driver that is..
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* Adaptec aacraid device driver for Linux.
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*
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* Copyright (c) 2000-2010 Adaptec, Inc.
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* 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
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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, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Module Name:
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* nark.c
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*
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* Abstract: Hardware Device Interface for NEMER/ARK
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*
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*/
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#include <linux/pci.h>
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#include <linux/blkdev.h>
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#include <scsi/scsi_host.h>
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#include "aacraid.h"
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/**
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* aac_nark_ioremap
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* @size: mapping resize request
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*
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*/
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static int aac_nark_ioremap(struct aac_dev * dev, u32 size)
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{
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if (!size) {
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iounmap(dev->regs.rx);
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dev->regs.rx = NULL;
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iounmap(dev->base);
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dev->base = NULL;
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return 0;
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}
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dev->scsi_host_ptr->base = pci_resource_start(dev->pdev, 2);
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dev->regs.rx = ioremap((u64)pci_resource_start(dev->pdev, 0) |
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((u64)pci_resource_start(dev->pdev, 1) << 32),
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sizeof(struct rx_registers) - sizeof(struct rx_inbound));
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dev->base = NULL;
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if (dev->regs.rx == NULL)
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return -1;
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dev->base = ioremap(dev->scsi_host_ptr->base, size);
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if (dev->base == NULL) {
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iounmap(dev->regs.rx);
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dev->regs.rx = NULL;
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return -1;
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}
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dev->IndexRegs = &((struct rx_registers __iomem *)dev->base)->IndexRegs;
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return 0;
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}
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/**
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* aac_nark_init - initialize an NEMER/ARK Split Bar card
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* @dev: device to configure
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*
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*/
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int aac_nark_init(struct aac_dev * dev)
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{
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/*
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* Fill in the function dispatch table.
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*/
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dev->a_ops.adapter_ioremap = aac_nark_ioremap;
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dev->a_ops.adapter_comm = aac_rx_select_comm;
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return _aac_rx_init(dev);
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}
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