The patch titled revert "dpt_i2o: convert to SCSI hotplug model" has been removed from the -mm tree. Its filename was revert-dpt_i2o-convert-to-scsi-hotplug-model.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ Subject: revert "dpt_i2o: convert to SCSI hotplug model" From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> revert commit 55d9fcf57ba5ec427544fca7abc335cf3da78160 Author: Matthew Wilcox <matthew@xxxxxx> Date: Mon Jul 30 15:19:18 2007 -0600 [SCSI] dpt_i2o: convert to SCSI hotplug model - Delete refereces to HOSTS_C - Switch to module_init/module_exit instead of detect/release - Don't pass around the host template and rename it to adpt_template - Switch from scsi_register/scsi_unregister to scsi_host_alloc, scsi_add_host, scsi_scan_host and scsi_host_put. Because it caused (for unknown reasons) Andres' all-data-reads-as-zeroes problem, reported at http://groups.google.com/group/fa.linux.kernel/msg/083a9acff0330234 Cc: Matthew Wilcox <matthew@xxxxxx> Cc: "Salyzyn, Mark" <mark_salyzyn@xxxxxxxxxxx> Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxx> Acked-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> Cc: Anders Henke <anders.henke@xxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: <stable@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/scsi/dpt_i2o.c | 132 ++++++++++++++++++--------------------- drivers/scsi/dpti.h | 9 ++ 2 files changed, 68 insertions(+), 73 deletions(-) diff -puN drivers/scsi/dpt_i2o.c~revert-dpt_i2o-convert-to-scsi-hotplug-model drivers/scsi/dpt_i2o.c --- a/drivers/scsi/dpt_i2o.c~revert-dpt_i2o-convert-to-scsi-hotplug-model +++ a/drivers/scsi/dpt_i2o.c @@ -173,20 +173,20 @@ static struct pci_device_id dptids[] = { }; MODULE_DEVICE_TABLE(pci,dptids); -static void adpt_exit(void); - -static int adpt_detect(void) +static int adpt_detect(struct scsi_host_template* sht) { struct pci_dev *pDev = NULL; adpt_hba* pHba; + adpt_init(); + PINFO("Detecting Adaptec I2O RAID controllers...\n"); /* search for all Adatpec I2O RAID cards */ while ((pDev = pci_get_device( PCI_DPT_VENDOR_ID, PCI_ANY_ID, pDev))) { if(pDev->device == PCI_DPT_DEVICE_ID || pDev->device == PCI_DPT_RAPTOR_DEVICE_ID){ - if(adpt_install_hba(pDev) ){ + if(adpt_install_hba(sht, pDev) ){ PERROR("Could not Init an I2O RAID device\n"); PERROR("Will not try to detect others.\n"); return hba_count-1; @@ -248,33 +248,34 @@ rebuild_sys_tab: } for (pHba = hba_chain; pHba; pHba = pHba->next) { - if (adpt_scsi_register(pHba) < 0) { + if( adpt_scsi_register(pHba,sht) < 0){ adpt_i2o_delete_hba(pHba); continue; } pHba->initialized = TRUE; pHba->state &= ~DPTI_STATE_RESET; - scsi_scan_host(pHba->host); } // Register our control device node // nodes will need to be created in /dev to access this // the nodes can not be created from within the driver if (hba_count && register_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER, &adpt_fops)) { - adpt_exit(); + adpt_i2o_sys_shutdown(); return 0; } return hba_count; } -static int adpt_release(adpt_hba *pHba) +/* + * scsi_unregister will be called AFTER we return. + */ +static int adpt_release(struct Scsi_Host *host) { - struct Scsi_Host *shost = pHba->host; - scsi_remove_host(shost); + adpt_hba* pHba = (adpt_hba*) host->hostdata[0]; // adpt_i2o_quiesce_hba(pHba); adpt_i2o_delete_hba(pHba); - scsi_host_put(shost); + scsi_unregister(host); return 0; } @@ -881,7 +882,7 @@ static int adpt_reboot_event(struct noti #endif -static int adpt_install_hba(struct pci_dev* pDev) +static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev) { adpt_hba* pHba = NULL; @@ -1028,6 +1029,8 @@ static void adpt_i2o_delete_hba(adpt_hba mutex_lock(&adpt_configuration_lock); + // scsi_unregister calls our adpt_release which + // does a quiese if(pHba->host){ free_irq(pHba->host->irq, pHba); } @@ -1079,6 +1082,17 @@ static void adpt_i2o_delete_hba(adpt_hba } +static int adpt_init(void) +{ + printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n"); +#ifdef REBOOT_NOTIFIER + register_reboot_notifier(&adpt_reboot_notifier); +#endif + + return 0; +} + + static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun) { struct adpt_device* d; @@ -2164,6 +2178,37 @@ static s32 adpt_scsi_to_i2o(adpt_hba* pH } +static s32 adpt_scsi_register(adpt_hba* pHba,struct scsi_host_template * sht) +{ + struct Scsi_Host *host = NULL; + + host = scsi_register(sht, sizeof(adpt_hba*)); + if (host == NULL) { + printk ("%s: scsi_register returned NULL\n",pHba->name); + return -1; + } + host->hostdata[0] = (unsigned long)pHba; + pHba->host = host; + + host->irq = pHba->pDev->irq; + /* no IO ports, so don't have to set host->io_port and + * host->n_io_port + */ + host->io_port = 0; + host->n_io_port = 0; + /* see comments in scsi_host.h */ + host->max_id = 16; + host->max_lun = 256; + host->max_channel = pHba->top_scsi_channel + 1; + host->cmd_per_lun = 1; + host->unique_id = (uint) pHba; + host->sg_tablesize = pHba->sg_tablesize; + host->can_queue = pHba->post_fifo_size; + + return 0; +} + + static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd) { adpt_hba* pHba; @@ -3279,10 +3324,12 @@ static static void adpt_delay(int millis #endif -static struct scsi_host_template adpt_template = { +static struct scsi_host_template driver_template = { .name = "dpt_i2o", .proc_name = "dpt_i2o", .proc_info = adpt_proc_info, + .detect = adpt_detect, + .release = adpt_release, .info = adpt_info, .queuecommand = adpt_queue, .eh_abort_handler = adpt_abort, @@ -3297,62 +3344,5 @@ static struct scsi_host_template adpt_te .use_clustering = ENABLE_CLUSTERING, .use_sg_chaining = ENABLE_SG_CHAINING, }; - -static s32 adpt_scsi_register(adpt_hba* pHba) -{ - struct Scsi_Host *host; - - host = scsi_host_alloc(&adpt_template, sizeof(adpt_hba*)); - if (host == NULL) { - printk ("%s: scsi_host_alloc returned NULL\n",pHba->name); - return -1; - } - host->hostdata[0] = (unsigned long)pHba; - pHba->host = host; - - host->irq = pHba->pDev->irq; - /* no IO ports, so don't have to set host->io_port and - * host->n_io_port - */ - host->io_port = 0; - host->n_io_port = 0; - /* see comments in scsi_host.h */ - host->max_id = 16; - host->max_lun = 256; - host->max_channel = pHba->top_scsi_channel + 1; - host->cmd_per_lun = 1; - host->unique_id = (uint) pHba; - host->sg_tablesize = pHba->sg_tablesize; - host->can_queue = pHba->post_fifo_size; - - if (scsi_add_host(host, &pHba->pDev->dev)) { - scsi_host_put(host); - return -1; - } - - return 0; -} - -static int __init adpt_init(void) -{ - int count; - - printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n"); -#ifdef REBOOT_NOTIFIER - register_reboot_notifier(&adpt_reboot_notifier); -#endif - - count = adpt_detect(); - - return count > 0 ? 0 : -ENODEV; -} - -static void adpt_exit(void) -{ - while (hba_chain) - adpt_release(hba_chain); -} - -module_init(adpt_init); -module_exit(adpt_exit); +#include "scsi_module.c" MODULE_LICENSE("GPL"); diff -puN drivers/scsi/dpti.h~revert-dpt_i2o-convert-to-scsi-hotplug-model drivers/scsi/dpti.h --- a/drivers/scsi/dpti.h~revert-dpt_i2o-convert-to-scsi-hotplug-model +++ a/drivers/scsi/dpti.h @@ -28,9 +28,11 @@ * SCSI interface function Prototypes */ +static int adpt_detect(struct scsi_host_template * sht); static int adpt_queue(struct scsi_cmnd * cmd, void (*cmdcomplete) (struct scsi_cmnd *)); static int adpt_abort(struct scsi_cmnd * cmd); static int adpt_reset(struct scsi_cmnd* cmd); +static int adpt_release(struct Scsi_Host *host); static int adpt_slave_configure(struct scsi_device *); static const char *adpt_info(struct Scsi_Host *pSHost); @@ -47,6 +49,8 @@ static int adpt_device_reset(struct scsi #define DPT_DRIVER_NAME "Adaptec I2O RAID" +#ifndef HOSTS_C + #include "dpt/sys_info.h" #include <linux/wait.h> #include "dpt/dpti_i2o.h" @@ -285,7 +289,7 @@ static s32 adpt_i2o_init_outbound_q(adpt static s32 adpt_i2o_hrt_get(adpt_hba* pHba); static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* dptdevice); static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd); -static s32 adpt_scsi_register(adpt_hba* pHba); +static s32 adpt_scsi_register(adpt_hba* pHba,struct scsi_host_template * sht); static s32 adpt_hba_reset(adpt_hba* pHba); static s32 adpt_i2o_reset_hba(adpt_hba* pHba); static s32 adpt_rescan(adpt_hba* pHba); @@ -295,7 +299,7 @@ static void adpt_i2o_delete_hba(adpt_hba static void adpt_inquiry(adpt_hba* pHba); static void adpt_fail_posted_scbs(adpt_hba* pHba); static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun); -static int adpt_install_hba(struct pci_dev* pDev) ; +static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev) ; static int adpt_i2o_online_hba(adpt_hba* pHba); static void adpt_i2o_post_wait_complete(u32, int); static int adpt_i2o_systab_send(adpt_hba* pHba); @@ -339,4 +343,5 @@ static void adpt_i386_info(sysInfo_S* si #define FW_DEBUG_BLED_OFFSET 8 #define FW_DEBUG_FLAGS_NO_HEADERS_B 0x01 +#endif /* !HOSTS_C */ #endif /* _DPT_H */ _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are revert-hibernation-use-temporary-page-tables-for-kernel-text-mapping-on-x86_64.patch get_task_comm-return-the-result.patch clone-prepare-to-recycle-clone_detached-and-clone_stopped.patch clone-prepare-to-recycle-clone_detached-and-clone_stopped-fix.patch timerfd-v3-new-timerfd-api-ia64-fix.patch timerfd-v3-new-timerfd-api-m68k-fix.patch timerfd-v3-new-timerfd-api-mips-fix.patch timerfd-v3-new-timerfd-api-arch-fixes.patch timerfd-v3-new-timerfd-api-powerpc-fix.patch timerfd-v3-new-timerfd-api-sparc64-fix.patch git-acpi-ia64-build-fix.patch acpi-enable-c3-power-state-on-dell-inspiron-8200.patch acpi-add-reboot-mechanism.patch small-acpica-extension-to-be-able-to-store-the-name-of.patch git-alsa.patch git-agpgart.patch working-3d-dri-intel-agpko-resume-for-i815-chip.patch git-arm.patch kernel-auditc-warning-fix.patch git-cpufreq.patch git-cpufreq-query_current_values_with_pending_wait-build-fix.patch agk-dm-dm-ioctl-move-compat-code-fix.patch dm-persistent_read_metadata-warning-fix.patch ppc-chrp-fix-possible-null-pointer-dereference-checkpatch-fixes.patch gregkh-driver-kset-convert-to-kobj_sysfs_ops-vs-git-acpi.patch unbork-gregkh-driver-kset-convert-sys-devices-to-use-kset_create-vioc.patch git-drm.patch git-drm-oops-fix.patch intel-agp-enable-i915-recognition.patch git-dvb.patch fix-jdelvare-i2c-i2c-constify-client-address-data.patch git-hid.patch revert-git-hrt.patch ia64-slim-down-__clear_bit_unlock.patch git-infiniband.patch git-kvm.patch git-libata-all.patch drivers-ata-libata-ehc-fix-printk-warning.patch 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