From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263939AbUE0MmE (ORCPT ); Thu, 27 May 2004 08:42:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263640AbUE0Mlv (ORCPT ); Thu, 27 May 2004 08:41:51 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:16275 "EHLO fgwmail5.fujitsu.co.jp") by vger.kernel.org with ESMTP id S262114AbUE0MjZ (ORCPT ); Thu, 27 May 2004 08:39:25 -0400 Date: Thu, 27 May 2004 21:40:37 +0900 From: Takao Indoh Subject: [4/4] [PATCH]Diskdump - yet another crash dump function In-reply-to: <1CC443CDA50AF2indou.takao@soft.fujitsu.com> To: linux-kernel@vger.kernel.org Message-id: <20C443E7CF7A59indou.takao@soft.fujitsu.com> MIME-version: 1.0 X-Mailer: TuruKame 3.55 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7BIT References: <1CC443CDA50AF2indou.takao@soft.fujitsu.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is a patch for aic79xx driver. diff -Nur linux-2.6.6.org/drivers/scsi/aic7xxx/aic79xx_osm.c linux-2.6.6/drivers/scsi/aic7xxx/aic79xx_osm.c --- linux-2.6.6.org/drivers/scsi/aic7xxx/aic79xx_osm.c 2004-05-20 08:58:47.000000000 +0900 +++ linux-2.6.6/drivers/scsi/aic7xxx/aic79xx_osm.c 2004-05-27 11:23:29.000000000 +0900 @@ -786,6 +786,10 @@ static int ahd_linux_bus_reset(Scsi_Cmnd *); static int ahd_linux_dev_reset(Scsi_Cmnd *); static int ahd_linux_abort(Scsi_Cmnd *); +#if defined(CONFIG_SCSI_DUMP) || defined(CONFIG_SCSI_DUMP_MODULE) +static int ahd_linux_sanity_check(Scsi_Device *); +static void ahd_linux_poll(Scsi_Device *); +#endif /* * Calculate a safe value for AHD_NSEG (as expressed through ahd_linux_nseg). @@ -1665,6 +1669,13 @@ return (SUCCESS); } +#if defined(CONFIG_SCSI_DUMP) || defined(CONFIG_SCSI_DUMP_MODULE) +static struct scsi_dump_ops ahd_dump_ops = { + .sanity_check = ahd_linux_sanity_check, + .poll = ahd_linux_poll, +}; +#endif /* CONFIG_SCSI_DUMP || CONFIG_SCSI_DUMP_MODULE */ + Scsi_Host_Template aic79xx_driver_template = { .module = THIS_MODULE, .name = "aic79xx", @@ -1684,6 +1695,9 @@ .slave_alloc = ahd_linux_slave_alloc, .slave_configure = ahd_linux_slave_configure, .slave_destroy = ahd_linux_slave_destroy, +#if defined(CONFIG_SCSI_DUMP) || defined(CONFIG_SCSI_DUMP_MODULE) + .dump_ops = &ahd_dump_ops, +#endif /* CONFIG_SCSI_DUMP || CONFIG_SCSI_DUMP_MODULE */ }; /**************************** Tasklet Handler *********************************/ @@ -4190,6 +4204,41 @@ return IRQ_RETVAL(ours); } +#if defined(CONFIG_SCSI_DUMP) || defined(CONFIG_SCSI_DUMP_MODULE) +static int +ahd_linux_sanity_check(Scsi_Device *device) +{ + struct ahd_softc *ahd; + struct ahd_linux_device *dev; + + ahd = *(struct ahd_softc **)device->host->hostdata; + dev = ahd_linux_get_device(ahd, device->channel, + device->id, device->lun, + /*alloc*/FALSE); + + if(dev == NULL) + return -ENXIO; + if(ahd->platform_data->qfrozen || dev->qfrozen) + return -EBUSY; + if(spin_is_locked(&ahd->platform_data->spin_lock)) + return -EBUSY; + return 0; +} + +static void +ahd_linux_poll(Scsi_Device *device) +{ + struct ahd_softc *ahd; + int ours; + + ahd = *(struct ahd_softc **)device->host->hostdata; + ours = ahd_intr(ahd); + if(ahd_linux_next_device_to_run(ahd) != NULL) + ahd_schedule_runq(ahd); + ahd_linux_run_complete_queue(ahd); +} +#endif /* CONFIG_SCSI_DUMP || CONFIG_SCSI_DUMP_MODULE */ + void ahd_platform_flushwork(struct ahd_softc *ahd) { diff -Nur linux-2.6.6.org/drivers/scsi/aic7xxx/aic79xx_osm.h linux-2.6.6/drivers/scsi/aic7xxx/aic79xx_osm.h --- linux-2.6.6.org/drivers/scsi/aic7xxx/aic79xx_osm.h 2004-05-20 08:58:47.000000000 +0900 +++ linux-2.6.6/drivers/scsi/aic7xxx/aic79xx_osm.h 2004-05-27 11:25:06.000000000 +0900 @@ -50,6 +50,9 @@ #include #include #include +#if defined(CONFIG_SCSI_DUMP) || defined(CONFIG_SCSI_DUMP_MODULE) +#include +#endif #include #include @@ -70,6 +73,10 @@ #include "scsi.h" #include "hosts.h" +#if defined(CONFIG_SCSI_DUMP) || defined(CONFIG_SCSI_DUMP_MODULE) +#include "scsi_dump.h" +#endif + /* Name space conflict with BSD queue macros */ #ifdef LIST_HEAD #undef LIST_HEAD @@ -96,6 +103,20 @@ /* No debugging code. */ #endif +/********************************** Disk Dump *********************************/ +#if defined(CONFIG_SCSI_DUMP) || defined(CONFIG_SCSI_DUMP_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 + /********************************** Misc Macros *******************************/ #define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) #define powerof2(x) ((((x)-1)&(x))==0)