aboutsummaryrefslogtreecommitdiff
path: root/drivers/scsi/aacraid/sa.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/aacraid/sa.c')
-rw-r--r--drivers/scsi/aacraid/sa.c87
1 files changed, 66 insertions, 21 deletions
diff --git a/drivers/scsi/aacraid/sa.c b/drivers/scsi/aacraid/sa.c
index 466f05cfbf0..e66477c9824 100644
--- a/drivers/scsi/aacraid/sa.c
+++ b/drivers/scsi/aacraid/sa.c
@@ -1,11 +1,12 @@
/*
* Adaptec AAC series RAID controller driver
- * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
+ * (c) Copyright 2001 Red Hat Inc.
*
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
- * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
+ * 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
@@ -31,22 +32,19 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
-#include <linux/sched.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
-#include <linux/slab.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/completion.h>
#include <linux/time.h>
#include <linux/interrupt.h>
-#include <asm/semaphore.h>
#include <scsi/scsi_host.h>
#include "aacraid.h"
-static irqreturn_t aac_sa_intr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t aac_sa_intr(int irq, void *dev_id)
{
struct aac_dev *dev = dev_id;
unsigned short intstat, mask;
@@ -66,11 +64,11 @@ static irqreturn_t aac_sa_intr(int irq, void *dev_id, struct pt_regs *regs)
sa_writew(dev, DoorbellClrReg_p, PrintfReady); /* clear PrintfReady */
sa_writew(dev, DoorbellReg_s, PrintfDone);
} else if (intstat & DOORBELL_1) { // dev -> Host Normal Command Ready
- aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
sa_writew(dev, DoorbellClrReg_p, DOORBELL_1);
+ aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
} else if (intstat & DOORBELL_2) { // dev -> Host Normal Response Ready
- aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
sa_writew(dev, DoorbellClrReg_p, DOORBELL_2);
+ aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
} else if (intstat & DOORBELL_3) { // dev -> Host Normal Command Not Full
sa_writew(dev, DoorbellClrReg_p, DOORBELL_3);
} else if (intstat & DOORBELL_4) { // dev -> Host Normal Response Not Full
@@ -92,6 +90,17 @@ static void aac_sa_disable_interrupt (struct aac_dev *dev)
}
/**
+ * aac_sa_enable_interrupt - enable interrupt
+ * @dev: Which adapter to enable.
+ */
+
+static void aac_sa_enable_interrupt (struct aac_dev *dev)
+{
+ sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, (PrintfReady | DOORBELL_1 |
+ DOORBELL_2 | DOORBELL_3 | DOORBELL_4));
+}
+
+/**
* aac_sa_notify_adapter - handle adapter notification
* @dev: Adapter that notification is for
* @event: Event to notidy
@@ -189,7 +198,7 @@ static int sa_sync_cmd(struct aac_dev *dev, u32 command,
ok = 1;
break;
}
- schedule_timeout_uninterruptible(1);
+ msleep(1);
}
if (ok != 1)
@@ -248,6 +257,11 @@ static void aac_sa_start_adapter(struct aac_dev *dev)
NULL, NULL, NULL, NULL, NULL);
}
+static int aac_sa_restart_adapter(struct aac_dev *dev, int bled)
+{
+ return -EINVAL;
+}
+
/**
* aac_sa_check_health
* @dev: device to check if healthy
@@ -281,6 +295,21 @@ static int aac_sa_check_health(struct aac_dev *dev)
}
/**
+ * aac_sa_ioremap
+ * @size: mapping resize request
+ *
+ */
+static int aac_sa_ioremap(struct aac_dev * dev, u32 size)
+{
+ if (!size) {
+ iounmap(dev->regs.sa);
+ return 0;
+ }
+ dev->base = dev->regs.sa = ioremap(dev->base_start, size);
+ return (dev->base == NULL) ? -1 : 0;
+}
+
+/**
* aac_sa_init - initialize an ARM based AAC card
* @dev: device to configure
*
@@ -299,6 +328,11 @@ int aac_sa_init(struct aac_dev *dev)
instance = dev->id;
name = dev->name;
+ if (aac_sa_ioremap(dev, dev->base_size)) {
+ printk(KERN_WARNING "%s: unable to map adapter.\n", name);
+ goto error_iounmap;
+ }
+
/*
* Check to see if the board failed any self tests.
*/
@@ -318,18 +352,13 @@ int aac_sa_init(struct aac_dev *dev)
* Wait for the adapter to be up and running. Wait up to 3 minutes.
*/
while (!(sa_readl(dev, Mailbox7) & KERNEL_UP_AND_RUNNING)) {
- if (time_after(jiffies, start+180*HZ)) {
+ if (time_after(jiffies, start+startup_timeout*HZ)) {
status = sa_readl(dev, Mailbox7);
printk(KERN_WARNING "%s%d: adapter kernel failed to start, init status = %lx.\n",
name, instance, status);
goto error_iounmap;
}
- schedule_timeout_uninterruptible(1);
- }
-
- if (request_irq(dev->scsi_host_ptr->irq, aac_sa_intr, SA_SHIRQ|SA_INTERRUPT, "aacraid", (void *)dev ) < 0) {
- printk(KERN_WARNING "%s%d: Interrupt unavailable.\n", name, instance);
- goto error_iounmap;
+ msleep(1);
}
/*
@@ -338,20 +367,36 @@ int aac_sa_init(struct aac_dev *dev)
dev->a_ops.adapter_interrupt = aac_sa_interrupt_adapter;
dev->a_ops.adapter_disable_int = aac_sa_disable_interrupt;
+ dev->a_ops.adapter_enable_int = aac_sa_enable_interrupt;
dev->a_ops.adapter_notify = aac_sa_notify_adapter;
dev->a_ops.adapter_sync_cmd = sa_sync_cmd;
dev->a_ops.adapter_check_health = aac_sa_check_health;
+ dev->a_ops.adapter_restart = aac_sa_restart_adapter;
+ dev->a_ops.adapter_intr = aac_sa_intr;
+ dev->a_ops.adapter_deliver = aac_rx_deliver_producer;
+ dev->a_ops.adapter_ioremap = aac_sa_ioremap;
/*
* First clear out all interrupts. Then enable the one's that
* we can handle.
*/
- sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff);
- sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, (PrintfReady | DOORBELL_1 |
- DOORBELL_2 | DOORBELL_3 | DOORBELL_4));
+ aac_adapter_disable_int(dev);
+ aac_adapter_enable_int(dev);
if(aac_init_adapter(dev) == NULL)
goto error_irq;
+ dev->sync_mode = 0; /* sync. mode not supported */
+ if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
+ IRQF_SHARED, "aacraid", (void *)dev) < 0) {
+ printk(KERN_WARNING "%s%d: Interrupt unavailable.\n",
+ name, instance);
+ goto error_iounmap;
+ }
+ dev->dbg_base = dev->base_start;
+ dev->dbg_base_mapped = dev->base;
+ dev->dbg_size = dev->base_size;
+
+ aac_adapter_enable_int(dev);
/*
* Tell the adapter that all is configure, and it can start
@@ -361,8 +406,8 @@ int aac_sa_init(struct aac_dev *dev)
return 0;
error_irq:
- sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff);
- free_irq(dev->scsi_host_ptr->irq, (void *)dev);
+ aac_sa_disable_interrupt(dev);
+ free_irq(dev->pdev->irq, (void *)dev);
error_iounmap:
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-10 13:08:21 +0000