lkml.org 
[lkml]   [2004]   [May]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[3/4] [PATCH]Diskdump - yet another crash dump function
This is a patch for aic7xxx driver.

Best Regards,
Takao Indoh

diff -Nur linux-2.6.6.org/drivers/scsi/aic7xxx/aic7xxx_osm.c linux-2.6.6/drivers/scsi/aic7xxx/aic7xxx_osm.c
--- linux-2.6.6.org/drivers/scsi/aic7xxx/aic7xxx_osm.c 2004-05-20 08:58:47.000000000 +0900
+++ linux-2.6.6/drivers/scsi/aic7xxx/aic7xxx_osm.c 2004-05-27 11:06:13.000000000 +0900
@@ -774,6 +774,8 @@
static int ahc_linux_bus_reset(Scsi_Cmnd *);
static int ahc_linux_dev_reset(Scsi_Cmnd *);
static int ahc_linux_abort(Scsi_Cmnd *);
+static int ahc_linux_sanity_check(Scsi_Device *);
+static void ahc_linux_poll(Scsi_Device *);

/*
* Calculate a safe value for AHC_NSEG (as expressed through ahc_linux_nseg).
@@ -1294,6 +1296,11 @@
return SUCCESS;
}

+static struct scsi_dump_ops ahc_dump_ops = {
+ .sanity_check = ahc_linux_sanity_check,
+ .poll = ahc_linux_poll,
+};
+
Scsi_Host_Template aic7xxx_driver_template = {
.module = THIS_MODULE,
.name = "aic7xxx",
@@ -1313,6 +1320,7 @@
.slave_alloc = ahc_linux_slave_alloc,
.slave_configure = ahc_linux_slave_configure,
.slave_destroy = ahc_linux_slave_destroy,
+ .dump_ops = &ahc_dump_ops,
};

/**************************** Tasklet Handler *********************************/
@@ -3863,6 +3871,41 @@
return IRQ_RETVAL(ours);
}

+static int
+ahc_linux_sanity_check(Scsi_Device *device)
+{
+ struct ahc_softc *ahc;
+ struct ahc_linux_device *dev;
+
+ ahc = *(struct ahc_softc **)device->host->hostdata;
+ dev = ahc_linux_get_device(ahc, device->channel,
+ device->id, device->lun,
+ /*alloc*/FALSE);
+ if (dev == NULL)
+ return -ENXIO;
+ if (ahc->platform_data->qfrozen || dev->qfrozen)
+ return -EBUSY;
+ if (spin_is_locked(&ahc->platform_data->spin_lock))
+ return -EBUSY;
+ return 0;
+}
+
+static void
+ahc_linux_poll(Scsi_Device *device)
+{
+ struct ahc_softc *ahc;
+ struct ahc_linux_device *dev;
+
+ ahc = *(struct ahc_softc **)device->host->hostdata;
+ ahc_intr(ahc);
+ while ((dev = ahc_linux_next_device_to_run(ahc)) != NULL) {
+ TAILQ_REMOVE(&ahc->platform_data->device_runq, dev, links);
+ dev->flags &= ~AHC_DEV_ON_RUN_LIST;
+ ahc_linux_check_device_queue(ahc, dev);
+ }
+ ahc_linux_run_complete_queue(ahc);
+}
+
void
ahc_platform_flushwork(struct ahc_softc *ahc)
{
diff -Nur linux-2.6.6.org/drivers/scsi/aic7xxx/aic7xxx_osm.h linux-2.6.6/drivers/scsi/aic7xxx/aic7xxx_osm.h
--- linux-2.6.6.org/drivers/scsi/aic7xxx/aic7xxx_osm.h 2004-05-20 08:58:47.000000000 +0900
+++ linux-2.6.6/drivers/scsi/aic7xxx/aic7xxx_osm.h 2004-05-27 10:58:39.000000000 +0900
@@ -67,6 +67,7 @@
#include <linux/smp_lock.h>
#include <linux/version.h>
#include <linux/module.h>
+#include <linux/diskdumplib.h>
#include <asm/byteorder.h>
#include <asm/io.h>

@@ -87,6 +88,8 @@
#include "scsi.h"
#include "hosts.h"

+#include "scsi_dump.h"
+
/* Name space conflict with BSD queue macros */
#ifdef LIST_HEAD
#undef LIST_HEAD
@@ -253,6 +256,22 @@
*/
#define ahc_dmamap_sync(ahc, dma_tag, dmamap, offset, len, op)

+
+/******************************** Disk dump ***********************************/
+#if defined(CONFIG_DISKDUMP) || defined(CONFIG_DISKDUMP_MODULE)
+#undef add_timer
+#define add_timer diskdump_add_timer
+#undef del_timer_sync
+#define del_timer_sync diskdump_del_timer
+#undef del_timer
+#define del_timer diskdump_del_timer
+#undef mod_timer
+#define mod_timer diskdump_mod_timer
+
+#define tasklet_schedule diskdump_tasklet_schedule
+#endif
+
+
/************************** Timer DataStructures ******************************/
typedef struct timer_list ahc_timer_t;

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:03    [W:0.535 / U:0.028 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site