mirror of
https://github.com/torvalds/linux.git
synced 2024-12-25 12:21:37 +00:00
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>
85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/*
|
|
* 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 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
|
|
*
|
|
* 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, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
* 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->scsi_host_ptr->base = 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->scsi_host_ptr->base, 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);
|
|
}
|