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authorHannes Reinecke <hare@suse.de>2021-01-13 10:04:26 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2021-01-22 21:14:07 -0500
commit0653c358d2dc7904c5553c5a9f2cbadc236e3f60 (patch)
treefffddb53325beb1c0d45c2d99d7c53ce7c8a49ca /drivers/scsi/gdth.c
parentscsi: target: core: Remove in_interrupt() check in transport_handle_cdb_direct() (diff)
downloadlinux-dev-0653c358d2dc7904c5553c5a9f2cbadc236e3f60.tar.xz
linux-dev-0653c358d2dc7904c5553c5a9f2cbadc236e3f60.zip
scsi: Drop gdth driver
The gdth driver refers to a SCSI parallel, PCI-only HBA RAID adapter which was manufactured by the now-defunct ICP Vortex company, later acquired by Adaptec and superseded by the aacraid series of controllers. The driver itself would require a major overhaul before any modifications can be attempted, but seeing that it's unlikely to have any users left it should rather be removed completely. Link: https://lore.kernel.org/r/20210113090500.129644-2-hare@suse.de Cautiously-Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/gdth.c')
-rw-r--r--drivers/scsi/gdth.c4322
1 files changed, 0 insertions, 4322 deletions
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
deleted file mode 100644
index 5d801388680b..000000000000
--- a/drivers/scsi/gdth.c
+++ /dev/null
@@ -1,4322 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/************************************************************************
- * Linux driver for *
- * ICP vortex GmbH: GDT PCI Disk Array Controllers *
- * Intel Corporation: Storage RAID Controllers *
- * *
- * gdth.c *
- * Copyright (C) 1995-06 ICP vortex GmbH, Achim Leubner *
- * Copyright (C) 2002-04 Intel Corporation *
- * Copyright (C) 2003-06 Adaptec Inc. *
- * <achim_leubner@adaptec.com> *
- * *
- * Additions/Fixes: *
- * Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com> *
- * Johannes Dinner <johannes_dinner@adaptec.com> *
- * *
- * *
- * Linux kernel 2.6.x supported *
- * *
- ************************************************************************/
-
-/* All GDT Disk Array Controllers are fully supported by this driver.
- * This includes the PCI SCSI Disk Array Controllers and the
- * PCI Fibre Channel Disk Array Controllers. See gdth.h for a complete
- * list of all controller types.
- *
- * After the optional list of IRQ values, other possible
- * command line options are:
- * disable:Y disable driver
- * disable:N enable driver
- * reserve_mode:0 reserve no drives for the raw service
- * reserve_mode:1 reserve all not init., removable drives
- * reserve_mode:2 reserve all not init. drives
- * reserve_list:h,b,t,l,h,b,t,l,... reserve particular drive(s) with
- * h- controller no., b- channel no.,
- * t- target ID, l- LUN
- * reverse_scan:Y reverse scan order for PCI controllers
- * reverse_scan:N scan PCI controllers like BIOS
- * max_ids:x x - target ID count per channel (1..MAXID)
- * rescan:Y rescan all channels/IDs
- * rescan:N use all devices found until now
- * hdr_channel:x x - number of virtual bus for host drives
- * shared_access:Y disable driver reserve/release protocol to
- * access a shared resource from several nodes,
- * appropriate controller firmware required
- * shared_access:N enable driver reserve/release protocol
- * force_dma32:Y use only 32 bit DMA mode
- * force_dma32:N use 64 bit DMA mode, if supported
- *
- * The default values are: "gdth=disable:N,reserve_mode:1,reverse_scan:N,
- * max_ids:127,rescan:N,hdr_channel:0,
- * shared_access:Y,force_dma32:N".
- * Here is another example: "gdth=reserve_list:0,1,2,0,0,1,3,0,rescan:Y".
- *
- * When loading the gdth driver as a module, the same options are available.
- * You can set the IRQs with "IRQ=...". However, the syntax to specify the
- * options changes slightly. You must replace all ',' between options
- * with ' ' and all ':' with '=' and you must use
- * '1' in place of 'Y' and '0' in place of 'N'.
- *
- * Default: "modprobe gdth disable=0 reserve_mode=1 reverse_scan=0
- * max_ids=127 rescan=0 hdr_channel=0 shared_access=0
- * force_dma32=0"
- * The other example: "modprobe gdth reserve_list=0,1,2,0,0,1,3,0 rescan=1".
- */
-
-/* The meaning of the Scsi_Pointer members in this driver is as follows:
- * ptr: Chaining
- * this_residual: unused
- * buffer: unused
- * dma_handle: unused
- * buffers_residual: unused
- * Status: unused
- * Message: unused
- * have_data_in: unused
- * sent_command: unused
- * phase: unused
- */
-
-/* statistics */
-#define GDTH_STATISTICS
-
-#include <linux/module.h>
-
-#include <linux/version.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/string.h>
-#include <linux/ctype.h>
-#include <linux/ioport.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/in.h>
-#include <linux/proc_fs.h>
-#include <linux/time.h>
-#include <linux/timer.h>
-#include <linux/dma-mapping.h>
-#include <linux/list.h>
-#include <linux/mutex.h>
-#include <linux/slab.h>
-#include <linux/reboot.h>
-
-#include <asm/dma.h>
-#include <asm/io.h>
-#include <linux/uaccess.h>
-#include <linux/spinlock.h>
-#include <linux/blkdev.h>
-#include <linux/scatterlist.h>
-
-#include "scsi.h"
-#include <scsi/scsi_host.h>
-#include "gdth.h"
-
-static DEFINE_MUTEX(gdth_mutex);
-static void gdth_delay(int milliseconds);
-static void gdth_eval_mapping(u32 size, u32 *cyls, int *heads, int *secs);
-static irqreturn_t gdth_interrupt(int irq, void *dev_id);
-static irqreturn_t __gdth_interrupt(gdth_ha_str *ha,
- int gdth_from_wait, int* pIndex);
-static int gdth_sync_event(gdth_ha_str *ha, int service, u8 index,
- struct scsi_cmnd *scp);
-static int gdth_async_event(gdth_ha_str *ha);
-static void gdth_log_event(gdth_evt_data *dvr, char *buffer);
-
-static void gdth_putq(gdth_ha_str *ha, struct scsi_cmnd *scp, u8 priority);
-static void gdth_next(gdth_ha_str *ha);
-static int gdth_fill_raw_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp, u8 b);
-static int gdth_special_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp);
-static gdth_evt_str *gdth_store_event(gdth_ha_str *ha, u16 source,
- u16 idx, gdth_evt_data *evt);
-static int gdth_read_event(gdth_ha_str *ha, int handle, gdth_evt_str *estr);
-static void gdth_readapp_event(gdth_ha_str *ha, u8 application,
- gdth_evt_str *estr);
-static void gdth_clear_events(void);
-
-static void gdth_copy_internal_data(gdth_ha_str *ha, struct scsi_cmnd *scp,
- char *buffer, u16 count);
-static int gdth_internal_cache_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp);
-static int gdth_fill_cache_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp,
- u16 hdrive);
-
-static void gdth_enable_int(gdth_ha_str *ha);
-static int gdth_test_busy(gdth_ha_str *ha);
-static int gdth_get_cmd_index(gdth_ha_str *ha);
-static void gdth_release_event(gdth_ha_str *ha);
-static int gdth_wait(gdth_ha_str *ha, int index,u32 time);
-static int gdth_internal_cmd(gdth_ha_str *ha, u8 service, u16 opcode,
- u32 p1, u64 p2,u64 p3);
-static int gdth_search_drives(gdth_ha_str *ha);
-static int gdth_analyse_hdrive(gdth_ha_str *ha, u16 hdrive);
-
-static const char *gdth_ctr_name(gdth_ha_str *ha);
-
-static int gdth_open(struct inode *inode, struct file *filep);
-static int gdth_close(struct inode *inode, struct file *filep);
-static long gdth_unlocked_ioctl(struct file *filep, unsigned int cmd,
- unsigned long arg);
-
-static void gdth_flush(gdth_ha_str *ha);
-static int gdth_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
-static int __gdth_queuecommand(gdth_ha_str *ha, struct scsi_cmnd *scp,
- struct gdth_cmndinfo *cmndinfo);
-static void gdth_scsi_done(struct scsi_cmnd *scp);
-
-#ifdef DEBUG_GDTH
-static u8 DebugState = DEBUG_GDTH;
-#define TRACE(a) {if (DebugState==1) {printk a;}}
-#define TRACE2(a) {if (DebugState==1 || DebugState==2) {printk a;}}
-#define TRACE3(a) {if (DebugState!=0) {printk a;}}
-#else /* !DEBUG */
-#define TRACE(a)
-#define TRACE2(a)
-#define TRACE3(a)
-#endif
-
-#ifdef GDTH_STATISTICS
-static u32 max_rq=0, max_index=0, max_sg=0;
-static u32 act_ints=0, act_ios=0, act_stats=0, act_rq=0;
-static struct timer_list gdth_timer;
-#endif
-
-#define PTR2USHORT(a) (u16)(unsigned long)(a)
-#define GDTOFFSOF(a,b) (size_t)&(((a*)0)->b)
-#define INDEX_OK(i,t) ((i)<ARRAY_SIZE(t))
-
-#define BUS_L2P(a,b) ((b)>(a)->virt_bus ? (b-1):(b))
-
-static u8 gdth_polling; /* polling if TRUE */
-static int gdth_ctr_count = 0; /* controller count */
-static LIST_HEAD(gdth_instances); /* controller list */
-static u8 gdth_write_through = FALSE; /* write through */
-static gdth_evt_str ebuffer[MAX_EVENTS]; /* event buffer */
-static int elastidx;
-static int eoldidx;
-static int major;
-
-#define DIN 1 /* IN data direction */
-#define DOU 2 /* OUT data direction */
-#define DNO DIN /* no data transfer */
-#define DUN DIN /* unknown data direction */
-static u8 gdth_direction_tab[0x100] = {
- DNO,DNO,DIN,DIN,DOU,DIN,DIN,DOU,DIN,DUN,DOU,DOU,DUN,DUN,DUN,DIN,
- DNO,DIN,DIN,DOU,DIN,DOU,DNO,DNO,DOU,DNO,DIN,DNO,DIN,DOU,DNO,DUN,
- DIN,DUN,DIN,DUN,DOU,DIN,DUN,DUN,DIN,DIN,DOU,DNO,DUN,DIN,DOU,DOU,
- DOU,DOU,DOU,DNO,DIN,DNO,DNO,DIN,DOU,DOU,DOU,DOU,DIN,DOU,DIN,DOU,
- DOU,DOU,DIN,DIN,DIN,DNO,DUN,DNO,DNO,DNO,DUN,DNO,DOU,DIN,DUN,DUN,
- DUN,DUN,DUN,DUN,DUN,DOU,DUN,DUN,DUN,DUN,DIN,DUN,DUN,DUN,DUN,DUN,
- DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,
- DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,
- DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DIN,DUN,DOU,DUN,DUN,DUN,DUN,DUN,
- DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DIN,DUN,
- DUN,DUN,DUN,DUN,DUN,DNO,DNO,DUN,DIN,DNO,DOU,DUN,DNO,DUN,DOU,DOU,
- DOU,DOU,DOU,DNO,DUN,DIN,DOU,DIN,DIN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,
- DUN,DUN,DOU,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,
- DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,
- DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DOU,DUN,DUN,DUN,DUN,DUN,
- DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN
-};
-
-/* LILO and modprobe/insmod parameters */
-/* disable driver flag */
-static int disable __initdata = 0;
-/* reserve flag */
-static int reserve_mode = 1;
-/* reserve list */
-static int reserve_list[MAX_RES_ARGS] =
-{0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};
-/* scan order for PCI controllers */
-static int reverse_scan = 0;
-/* virtual channel for the host drives */
-static int hdr_channel = 0;
-/* max. IDs per channel */
-static int max_ids = MAXID;
-/* rescan all IDs */
-static int rescan = 0;
-/* shared access */
-static int shared_access = 1;
-/* 64 bit DMA mode, support for drives > 2 TB, if force_dma32 = 0 */
-static int force_dma32 = 0;
-
-/* parameters for modprobe/insmod */
-module_param(disable, int, 0);
-module_param(reserve_mode, int, 0);
-module_param_array(reserve_list, int, NULL, 0);
-module_param(reverse_scan, int, 0);
-module_param(hdr_channel, int, 0);
-module_param(max_ids, int, 0);
-module_param(rescan, int, 0);
-module_param(shared_access, int, 0);
-module_param(force_dma32, int, 0);
-MODULE_AUTHOR("Achim Leubner");
-MODULE_LICENSE("GPL");
-
-/* ioctl interface */
-static const struct file_operations gdth_fops = {
- .unlocked_ioctl = gdth_unlocked_ioctl,
- .open = gdth_open,
- .release = gdth_close,
- .llseek = noop_llseek,
-};
-
-#include "gdth_proc.h"
-#include "gdth_proc.c"
-
-static gdth_ha_str *gdth_find_ha(int hanum)
-{
- gdth_ha_str *ha;
-
- list_for_each_entry(ha, &gdth_instances, list)
- if (hanum == ha->hanum)
- return ha;
-
- return NULL;
-}
-
-static struct gdth_cmndinfo *gdth_get_cmndinfo(gdth_ha_str *ha)
-{
- struct gdth_cmndinfo *priv = NULL;
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&ha->smp_lock, flags);
-
- for (i=0; i<GDTH_MAXCMDS; ++i) {
- if (ha->cmndinfo[i].index == 0) {
- priv = &ha->cmndinfo[i];
- memset(priv, 0, sizeof(*priv));
- priv->index = i+1;
- break;
- }
- }
-
- spin_unlock_irqrestore(&ha->smp_lock, flags);
-
- return priv;
-}
-
-static void gdth_put_cmndinfo(struct gdth_cmndinfo *priv)
-{
- BUG_ON(!priv);
- priv->index = 0;
-}
-
-static void gdth_delay(int milliseconds)
-{
- if (milliseconds == 0) {
- udelay(1);
- } else {
- mdelay(milliseconds);
- }
-}
-
-static void gdth_scsi_done(struct scsi_cmnd *scp)
-{
- struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp);
- int internal_command = cmndinfo->internal_command;
-
- TRACE2(("gdth_scsi_done()\n"));
-
- gdth_put_cmndinfo(cmndinfo);
- scp->host_scribble = NULL;
-
- if (internal_command)
- complete((struct completion *)scp->request);
- else
- scp->scsi_done(scp);
-}
-
-static int __gdth_execute(struct scsi_device *sdev, gdth_cmd_str *gdtcmd,
- char *cmnd, int timeout, u32 *info)
-{
- gdth_ha_str *ha = shost_priv(sdev->host);
- struct scsi_cmnd *scp;
- struct gdth_cmndinfo cmndinfo;
- DECLARE_COMPLETION_ONSTACK(wait);
- int rval;
-
- scp = kzalloc(sizeof(*scp), GFP_KERNEL);
- if (!scp)
- return -ENOMEM;
-
- scp->sense_buffer = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL);
- if (!scp->sense_buffer) {
- kfree(scp);
- return -ENOMEM;
- }
-
- scp->device = sdev;
- memset(&cmndinfo, 0, sizeof(cmndinfo));
-
- /* use request field to save the ptr. to completion struct. */
- scp->request = (struct request *)&wait;
- scp->cmd_len = 12;
- scp->cmnd = cmnd;
- cmndinfo.priority = IOCTL_PRI;
- cmndinfo.internal_cmd_str = gdtcmd;
- cmndinfo.internal_command = 1;
-
- TRACE(("__gdth_execute() cmd 0x%x\n", scp->cmnd[0]));
- __gdth_queuecommand(ha, scp, &cmndinfo);
-
- wait_for_completion(&wait);
-
- rval = cmndinfo.status;
- if (info)
- *info = cmndinfo.info;
- kfree(scp->sense_buffer);
- kfree(scp);
- return rval;
-}
-
-int gdth_execute(struct Scsi_Host *shost, gdth_cmd_str *gdtcmd, char *cmnd,
- int timeout, u32 *info)
-{
- struct scsi_device *sdev = scsi_get_host_dev(shost);
- int rval = __gdth_execute(sdev, gdtcmd, cmnd, timeout, info);
-
- scsi_free_host_dev(sdev);
- return rval;
-}
-
-static void gdth_eval_mapping(u32 size, u32 *cyls, int *heads, int *secs)
-{
- *cyls = size /HEADS/SECS;
- if (*cyls <= MAXCYLS) {
- *heads = HEADS;
- *secs = SECS;
- } else { /* too high for 64*32 */
- *cyls = size /MEDHEADS/MEDSECS;
- if (*cyls <= MAXCYLS) {
- *heads = MEDHEADS;
- *secs = MEDSECS;
- } else { /* too high for 127*63 */
- *cyls = size /BIGHEADS/BIGSECS;
- *heads = BIGHEADS;
- *secs = BIGSECS;
- }
- }
-}
-
-static bool gdth_search_vortex(u16 device)
-{
- if (device <= PCI_DEVICE_ID_VORTEX_GDT6555)
- return true;
- if (device >= PCI_DEVICE_ID_VORTEX_GDT6x17RP &&
- device <= PCI_DEVICE_ID_VORTEX_GDTMAXRP)
- return true;
- if (device == PCI_DEVICE_ID_VORTEX_GDTNEWRX ||
- device == PCI_DEVICE_ID_VORTEX_GDTNEWRX2)
- return true;
- return false;
-}
-
-static int gdth_pci_probe_one(gdth_pci_str *pcistr, gdth_ha_str **ha_out);
-static int gdth_pci_init_one(struct pci_dev *pdev,
- const struct pci_device_id *ent);
-static void gdth_pci_remove_one(struct pci_dev *pdev);
-static void gdth_remove_one(gdth_ha_str *ha);
-
-/* Vortex only makes RAID controllers.
- * We do not really want to specify all 550 ids here, so wildcard match.
- */
-static const struct pci_device_id gdthtable[] = {
- { PCI_VDEVICE(VORTEX, PCI_ANY_ID) },
- { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SRC) },
- { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SRC_XSCALE) },
- { } /* terminate list */
-};
-MODULE_DEVICE_TABLE(pci, gdthtable);
-
-static struct pci_driver gdth_pci_driver = {
- .name = "gdth",
- .id_table = gdthtable,
- .probe = gdth_pci_init_one,
- .remove = gdth_pci_remove_one,
-};
-
-static void gdth_pci_remove_one(struct pci_dev *pdev)
-{
- gdth_ha_str *ha = pci_get_drvdata(pdev);
-
- list_del(&ha->list);
- gdth_remove_one(ha);
-
- pci_disable_device(pdev);
-}
-
-static int gdth_pci_init_one(struct pci_dev *pdev,
- const struct pci_device_id *ent)
-{
- u16 vendor = pdev->vendor;
- u16 device = pdev->device;
- unsigned long base0, base1, base2;
- int rc;
- gdth_pci_str gdth_pcistr;
- gdth_ha_str *ha = NULL;
-
- TRACE(("gdth_search_dev() cnt %d vendor %x device %x\n",
- gdth_ctr_count, vendor, device));
-
- memset(&gdth_pcistr, 0, sizeof(gdth_pcistr));
-
- if (vendor == PCI_VENDOR_ID_VORTEX && !gdth_search_vortex(device))
- return -ENODEV;
-
- rc = pci_enable_device(pdev);
- if (rc)
- return rc;
-
- if (gdth_ctr_count >= MAXHA)
- return -EBUSY;
-
- /* GDT PCI controller found, resources are already in pdev */
- gdth_pcistr.pdev = pdev;
- base0 = pci_resource_flags(pdev, 0);
- base1 = pci_resource_flags(pdev, 1);
- base2 = pci_resource_flags(pdev, 2);
- if (device <= PCI_DEVICE_ID_VORTEX_GDT6000B || /* GDT6000/B */
- device >= PCI_DEVICE_ID_VORTEX_GDT6x17RP) { /* MPR */
- if (!(base0 & IORESOURCE_MEM))
- return -ENODEV;
- gdth_pcistr.dpmem = pci_resource_start(pdev, 0);
- } else { /* GDT6110, GDT6120, .. */
- if (!(base0 & IORESOURCE_MEM) ||
- !(base2 & IORESOURCE_MEM) ||
- !(base1 & IORESOURCE_IO))
- return -ENODEV;
- gdth_pcistr.dpmem = pci_resource_start(pdev, 2);
- gdth_pcistr.io = pci_resource_start(pdev, 1);
- }
- TRACE2(("Controller found at %d/%d, irq %d, dpmem 0x%lx\n",
- gdth_pcistr.pdev->bus->number,
- PCI_SLOT(gdth_pcistr.pdev->devfn),
- gdth_pcistr.irq,
- gdth_pcistr.dpmem));
-
- rc = gdth_pci_probe_one(&gdth_pcistr, &ha);
- if (rc)
- return rc;
-
- return 0;
-}
-
-static int gdth_init_pci(struct pci_dev *pdev, gdth_pci_str *pcistr,
- gdth_ha_str *ha)
-{
- register gdt6_dpram_str __iomem *dp6_ptr;
- register gdt6c_dpram_str __iomem *dp6c_ptr;
- register gdt6m_dpram_str __iomem *dp6m_ptr;
- u32 retries;
- u8 prot_ver;
- u16 command;
- int i, found = FALSE;
-
- TRACE(("gdth_init_pci()\n"));
-
- if (pdev->vendor == PCI_VENDOR_ID_INTEL)
- ha->oem_id = OEM_ID_INTEL;
- else
- ha->oem_id = OEM_ID_ICP;
- ha->brd_phys = (pdev->bus->number << 8) | (pdev->devfn & 0xf8);
- ha->stype = (u32)pdev->device;
- ha->irq = pdev->irq;
- ha->pdev = pdev;
-
- if (ha->pdev->device <= PCI_DEVICE_ID_VORTEX_GDT6000B) { /* GDT6000/B */
- TRACE2(("init_pci() dpmem %lx irq %d\n",pcistr->dpmem,ha->irq));
- ha->brd = ioremap(pcistr->dpmem, sizeof(gdt6_dpram_str));
- if (ha->brd == NULL) {
- printk("GDT-PCI: Initialization error (DPMEM remap error)\n");
- return 0;
- }
- /* check and reset interface area */
- dp6_ptr = ha->brd;
- writel(DPMEM_MAGIC, &dp6_ptr->u);
- if (readl(&dp6_ptr->u) != DPMEM_MAGIC) {
- printk("GDT-PCI: Cannot access DPMEM at 0x%lx (shadowed?)\n",
- pcistr->dpmem);
- found = FALSE;
- for (i = 0xC8000; i < 0xE8000; i += 0x4000) {
- iounmap(ha->brd);
- ha->brd = ioremap(i, sizeof(u16));
- if (ha->brd == NULL) {
- printk("GDT-PCI: Initialization error (DPMEM remap error)\n");
- return 0;
- }
- if (readw(ha->brd) != 0xffff) {
- TRACE2(("init_pci_old() address 0x%x busy\n", i));
- continue;
- }
- iounmap(ha->brd);
- pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, i);
- ha->brd = ioremap(i, sizeof(gdt6_dpram_str));
- if (ha->brd == NULL) {
- printk("GDT-PCI: Initialization error (DPMEM remap error)\n");
- return 0;
- }
- dp6_ptr = ha->brd;
- writel(DPMEM_MAGIC, &dp6_ptr->u);
- if (readl(&dp6_ptr->u) == DPMEM_MAGIC) {
- printk("GDT-PCI: Use free address at 0x%x\n", i);
- found = TRUE;
- break;
- }
- }
- if (!found) {
- printk("GDT-PCI: No free address found!\n");
- iounmap(ha->brd);
- return 0;
- }
- }
- memset_io(&dp6_ptr->u, 0, sizeof(dp6_ptr->u));
- if (readl(&dp6_ptr->u) != 0) {
- printk("GDT-PCI: Initialization error (DPMEM write error)\n");
- iounmap(ha->brd);
- return 0;
- }
-
- /* disable board interrupts, deinit services */
- writeb(0xff, &dp6_ptr->io.irqdel);
- writeb(0x00, &dp6_ptr->io.irqen);
- writeb(0x00, &dp6_ptr->u.ic.S_Status);
- writeb(0x00, &dp6_ptr->u.ic.Cmd_Index);
-
- writel(pcistr->dpmem, &dp6_ptr->u.ic.S_Info[0]);
- writeb(0xff, &dp6_ptr->u.ic.S_Cmd_Indx);
- writeb(0, &dp6_ptr->io.event);
- retries = INIT_RETRIES;
- gdth_delay(20);
- while (readb(&dp6_ptr->u.ic.S_Status) != 0xff) {
- if (--retries == 0) {
- printk("GDT-PCI: Initialization error (DEINIT failed)\n");
- iounmap(ha->brd);
- return 0;
- }
- gdth_delay(1);
- }
- prot_ver = (u8)readl(&dp6_ptr->u.ic.S_Info[0]);
- writeb(0, &dp6_ptr->u.ic.S_Status);
- writeb(0xff, &dp6_ptr->io.irqdel);
- if (prot_ver != PROTOCOL_VERSION) {
- printk("GDT-PCI: Illegal protocol version\n");
- iounmap(ha->brd);
- return 0;
- }
-
- ha->type = GDT_PCI;
- ha->ic_all_size = sizeof(dp6_ptr->u);
-
- /* special command to controller BIOS */
- writel(0x00, &dp6_ptr->u.ic.S_Info[0]);
- writel(0x00, &dp6_ptr->u.ic.S_Info[1]);
- writel(0x00, &dp6_ptr->u.ic.S_Info[2]);
- writel(0x00, &dp6_ptr->u.ic.S_Info[3]);
- writeb(0xfe, &dp6_ptr->u.ic.S_Cmd_Indx);
- writeb(0, &dp6_ptr->io.event);
- retries = INIT_RETRIES;
- gdth_delay(20);
- while (readb(&dp6_ptr->u.ic.S_Status) != 0xfe) {
- if (--retries == 0) {
- printk("GDT-PCI: Initialization error\n");
- iounmap(ha->brd);
- return 0;
- }
- gdth_delay(1);
- }
- writeb(0, &dp6_ptr->u.ic.S_Status);
- writeb(0xff, &dp6_ptr->io.irqdel);
-
- ha->dma64_support = 0;
-
- } else if (ha->pdev->device <= PCI_DEVICE_ID_VORTEX_GDT6555) { /* GDT6110, ... */
- ha->plx = (gdt6c_plx_regs *)pcistr->io;
- TRACE2(("init_pci_new() dpmem %lx irq %d\n",
- pcistr->dpmem,ha->irq));
- ha->brd = ioremap(pcistr->dpmem, sizeof(gdt6c_dpram_str));
- if (ha->brd == NULL) {
- printk("GDT-PCI: Initialization error (DPMEM remap error)\n");
- iounmap(ha->brd);
- return 0;
- }
- /* check and reset interface area */
- dp6c_ptr = ha->brd;
- writel(DPMEM_MAGIC, &dp6c_ptr->u);
- if (readl(&dp6c_ptr->u) != DPMEM_MAGIC) {
- printk("GDT-PCI: Cannot access DPMEM at 0x%lx (shadowed?)\n",
- pcistr->dpmem);
- found = FALSE;
- for (i = 0xC8000; i < 0xE8000; i += 0x4000) {
- iounmap(ha->brd);
- ha->brd = ioremap(i, sizeof(u16));
- if (ha->brd == NULL) {
- printk("GDT-PCI: Initialization error (DPMEM remap error)\n");
- return 0;
- }
- if (readw(ha->brd) != 0xffff) {
- TRACE2(("init_pci_plx() address 0x%x busy\n", i));
- continue;
- }
- iounmap(ha->brd);
- pci_write_config_dword(pdev, PCI_BASE_ADDRESS_2, i);
- ha->brd = ioremap(i, sizeof(gdt6c_dpram_str));
- if (ha->brd == NULL) {
- printk("GDT-PCI: Initialization error (DPMEM remap error)\n");
- return 0;
- }
- dp6c_ptr = ha->brd;
- writel(DPMEM_MAGIC, &dp6c_ptr->u);
- if (readl(&dp6c_ptr->u) == DPMEM_MAGIC) {
- printk("GDT-PCI: Use free address at 0x%x\n", i);
- found = TRUE;
- break;
- }
- }
- if (!found) {
- printk("GDT-PCI: No free address found!\n");
- iounmap(ha->brd);
- return 0;
- }
- }
- memset_io(&dp6c_ptr->u, 0, sizeof(dp6c_ptr->u));
- if (readl(&dp6c_ptr->u) != 0) {
- printk("GDT-PCI: Initialization error (DPMEM write error)\n");
- iounmap(ha->brd);
- return 0;
- }
-
- /* disable board interrupts, deinit services */
- outb(0x00,PTR2USHORT(&ha->plx->control1));
- outb(0xff,PTR2USHORT(&ha->plx->edoor_reg));
-
- writeb(0x00, &dp6c_ptr->u.ic.S_Status);
- writeb(0x00, &dp6c_ptr->u.ic.Cmd_Index);
-
- writel(pcistr->dpmem, &dp6c_ptr->u.ic.S_Info[0]);
- writeb(0xff, &dp6c_ptr->u.ic.S_Cmd_Indx);
-
- outb(1,PTR2USHORT(&ha->plx->ldoor_reg));
-
- retries = INIT_RETRIES;
- gdth_delay(20);
- while (readb(&dp6c_ptr->u.ic.S_Status) != 0xff) {
- if (--retries == 0) {
- printk("GDT-PCI: Initialization error (DEINIT failed)\n");
- iounmap(ha->brd);
- return 0;
- }
- gdth_delay(1);
- }
- prot_ver = (u8)readl(&dp6c_ptr->u.ic.S_Info[0]);
- writeb(0, &dp6c_ptr->u.ic.Status);
- if (prot_ver != PROTOCOL_VERSION) {
- printk("GDT-PCI: Illegal protocol version\n");
- iounmap(ha->brd);
- return 0;
- }
-
- ha->type = GDT_PCINEW;
- ha->ic_all_size = sizeof(dp6c_ptr->u);
-
- /* special command to controller BIOS */
- writel(0x00, &dp6c_ptr->u.ic.S_Info[0]);
- writel(0x00, &dp6c_ptr->u.ic.S_Info[1]);
- writel(0x00, &dp6c_ptr->u.ic.S_Info[2]);
- writel(0x00, &dp6c_ptr->u.ic.S_Info[3]);
- writeb(0xfe, &dp6c_ptr->u.ic.S_Cmd_Indx);
-
- outb(1,PTR2USHORT(&ha->plx->ldoor_reg));
-
- retries = INIT_RETRIES;
- gdth_delay(20);
- while (readb(&dp6c_ptr->u.ic.S_Status) != 0xfe) {
- if (--retries == 0) {
- printk("GDT-PCI: Initialization error\n");
- iounmap(ha->brd);
- return 0;
- }
- gdth_delay(1);
- }
- writeb(0, &dp6c_ptr->u.ic.S_Status);
-
- ha->dma64_support = 0;
-
- } else { /* MPR */
- TRACE2(("init_pci_mpr() dpmem %lx irq %d\n",pcistr->dpmem,ha->irq));
- ha->brd = ioremap(pcistr->dpmem, sizeof(gdt6m_dpram_str));
- if (ha->brd == NULL) {
- printk("GDT-PCI: Initialization error (DPMEM remap error)\n");
- return 0;
- }
-
- /* manipulate config. space to enable DPMEM, start RP controller */
- pci_read_config_word(pdev, PCI_COMMAND, &command);
- command |= 6;
- pci_write_config_word(pdev, PCI_COMMAND, command);
- gdth_delay(1);
-
- dp6m_ptr = ha->brd;
-
- /* Ensure that it is safe to access the non HW portions of DPMEM.
- * Aditional check needed for Xscale based RAID controllers */
- while( ((int)readb(&dp6m_ptr->i960r.sema0_reg) ) & 3 )
- gdth_delay(1);
-
- /* check and reset interface area */
- writel(DPMEM_MAGIC, &dp6m_ptr->u);
- if (readl(&dp6m_ptr->u) != DPMEM_MAGIC) {
- printk("GDT-PCI: Cannot access DPMEM at 0x%lx (shadowed?)\n",
- pcistr->dpmem);
- found = FALSE;
- for (i = 0xC8000; i < 0xE8000; i += 0x4000) {
- iounmap(ha->brd);
- ha->brd = ioremap(i, sizeof(u16));
- if (ha->brd == NULL) {
- printk("GDT-PCI: Initialization error (DPMEM remap error)\n");
- return 0;
- }
- if (readw(ha->brd) != 0xffff) {
- TRACE2(("init_pci_mpr() address 0x%x busy\n", i));
- continue;
- }
- iounmap(ha->brd);
- pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, i);
- ha->brd = ioremap(i, sizeof(gdt6m_dpram_str));
- if (ha->brd == NULL) {
- printk("GDT-PCI: Initialization error (DPMEM remap error)\n");
- return 0;
- }
- dp6m_ptr = ha->brd;
- writel(DPMEM_MAGIC, &dp6m_ptr->u);
- if (readl(&dp6m_ptr->u) == DPMEM_MAGIC) {
- printk("GDT-PCI: Use free address at 0x%x\n", i);
- found = TRUE;
- break;
- }
- }
- if (!found) {
- printk("GDT-PCI: No free address found!\n");
- iounmap(ha->brd);
- return 0;
- }
- }
- memset_io(&dp6m_ptr->u, 0, sizeof(dp6m_ptr->u));
-
- /* disable board interrupts, deinit services */
- writeb(readb(&dp6m_ptr->i960r.edoor_en_reg) | 4,
- &dp6m_ptr->i960r.edoor_en_reg);
- writeb(0xff, &dp6m_ptr->i960r.edoor_reg);
- writeb(0x00, &dp6m_ptr->u.ic.S_Status);
- writeb(0x00, &dp6m_ptr->u.ic.Cmd_Index);
-
- writel(pcistr->dpmem, &dp6m_ptr->u.ic.S_Info[0]);
- writeb(0xff, &dp6m_ptr->u.ic.S_Cmd_Indx);
- writeb(1, &dp6m_ptr->i960r.ldoor_reg);
- retries = INIT_RETRIES;
- gdth_delay(20);
- while (readb(&dp6m_ptr->u.ic.S_Status) != 0xff) {
- if (--retries == 0) {
- printk("GDT-PCI: Initialization error (DEINIT failed)\n");
- iounmap(ha->brd);
- return 0;
- }
- gdth_delay(1);
- }
- prot_ver = (u8)readl(&dp6m_ptr->u.ic.S_Info[0]);
- writeb(0, &dp6m_ptr->u.ic.S_Status);
- if (prot_ver != PROTOCOL_VERSION) {
- printk("GDT-PCI: Illegal protocol version\n");
- iounmap(ha->brd);
- return 0;
- }
-
- ha->type = GDT_PCIMPR;
- ha->ic_all_size = sizeof(dp6m_ptr->u);
-
- /* special command to controller BIOS */
- writel(0x00, &dp6m_ptr->u.ic.S_Info[0]);
- writel(0x00, &dp6m_ptr->u.ic.S_Info[1]);
- writel(0x00, &dp6m_ptr->u.ic.S_Info[2]);
- writel(0x00, &dp6m_ptr->u.ic.S_Info[3]);
- writeb(0xfe, &dp6m_ptr->u.ic.S_Cmd_Indx);
- writeb(1, &dp6m_ptr->i960r.ldoor_reg);
- retries = INIT_RETRIES;
- gdth_delay(20);
- while (readb(&dp6m_ptr->u.ic.S_Status) != 0xfe) {
- if (--retries == 0) {
- printk("GDT-PCI: Initialization error\n");
- iounmap(ha->brd);
- return 0;
- }
- gdth_delay(1);
- }
- writeb(0, &dp6m_ptr->u.ic.S_Status);
-
- /* read FW version to detect 64-bit DMA support */
- writeb(0xfd, &dp6m_ptr->u.ic.S_Cmd_Indx);
- writeb(1, &dp6m_ptr->i960r.ldoor_reg);
- retries = INIT_RETRIES;
- gdth_delay(20);
- while (readb(&dp6m_ptr->u.ic.S_Status) != 0xfd) {
- if (--retries == 0) {
- printk("GDT-PCI: Initialization error (DEINIT failed)\n");
- iounmap(ha->brd);
- return 0;
- }
- gdth_delay(1);
- }
- prot_ver = (u8)(readl(&dp6m_ptr->u.ic.S_Info[0]) >> 16);
- writeb(0, &dp6m_ptr->u.ic.S_Status);
- if (prot_ver < 0x2b) /* FW < x.43: no 64-bit DMA support */
- ha->dma64_support = 0;
- else
- ha->dma64_support = 1;
- }
-
- return 1;
-}
-
-/* controller protocol functions */
-
-static void gdth_enable_int(gdth_ha_str *ha)
-{
- unsigned long flags;
- gdt6_dpram_str __iomem *dp6_ptr;
- gdt6m_dpram_str __iomem *dp6m_ptr;
-
- TRACE(("gdth_enable_int() hanum %d\n",ha->hanum));
- spin_lock_irqsave(&ha->smp_lock, flags);
-
- if (ha->type == GDT_PCI) {
- dp6_ptr = ha->brd;
- writeb(1, &dp6_ptr->io.irqdel);
- writeb(0, &dp6_ptr->u.ic.Cmd_Index);
- writeb(1, &dp6_ptr->io.irqen);
- } else if (ha->type == GDT_PCINEW) {
- outb(0xff, PTR2USHORT(&ha->plx->edoor_reg));
- outb(0x03, PTR2USHORT(&ha->plx->control1));
- } else if (ha->type == GDT_PCIMPR) {
- dp6m_ptr = ha->brd;
- writeb(0xff, &dp6m_ptr->i960r.edoor_reg);
- writeb(readb(&dp6m_ptr->i960r.edoor_en_reg) & ~4,
- &dp6m_ptr->i960r.edoor_en_reg);
- }
- spin_unlock_irqrestore(&ha->smp_lock, flags);
-}
-
-/* return IStatus if interrupt was from this card else 0 */
-static u8 gdth_get_status(gdth_ha_str *ha)
-{
- u8 IStatus = 0;
-
- TRACE(("gdth_get_status() irq %d ctr_count %d\n", ha->irq, gdth_ctr_count));
-
- if (ha->type == GDT_PCI)
- IStatus =
- readb(&((gdt6_dpram_str __iomem *)ha->brd)->u.ic.Cmd_Index);
- else if (ha->type == GDT_PCINEW)
- IStatus = inb(PTR2USHORT(&ha->plx->edoor_reg));
- else if (ha->type == GDT_PCIMPR)
- IStatus =
- readb(&((gdt6m_dpram_str __iomem *)ha->brd)->i960r.edoor_reg);
-
- return IStatus;
-}
-
-static int gdth_test_busy(gdth_ha_str *ha)
-{
- register int gdtsema0 = 0;
-
- TRACE(("gdth_test_busy() hanum %d\n", ha->hanum));
-
- if (ha->type == GDT_PCI)
- gdtsema0 = (int)readb(&((gdt6_dpram_str __iomem *)ha->brd)->u.ic.Sema0);
- else if (ha->type == GDT_PCINEW)
- gdtsema0 = (int)inb(PTR2USHORT(&ha->plx->sema0_reg));
- else if (ha->type == GDT_PCIMPR)
- gdtsema0 =
- (int)readb(&((gdt6m_dpram_str __iomem *)ha->brd)->i960r.sema0_reg);
-
- return (gdtsema0 & 1);
-}
-
-
-static int gdth_get_cmd_index(gdth_ha_str *ha)
-{
- int i;
-
- TRACE(("gdth_get_cmd_index() hanum %d\n", ha->hanum));
-
- for (i=0; i<GDTH_MAXCMDS; ++i) {
- if (ha->cmd_tab[i].cmnd == UNUSED_CMND) {
- ha->cmd_tab[i].cmnd = ha->pccb->RequestBuffer;
- ha->cmd_tab[i].service = ha->pccb->Service;
- ha->pccb->CommandIndex = (u32)i+2;
- return (i+2);
- }
- }
- return 0;
-}
-
-
-static void gdth_set_sema0(gdth_ha_str *ha)
-{
- TRACE(("gdth_set_sema0() hanum %d\n", ha->hanum));
-
- if (ha->type == GDT_PCI) {
- writeb(1, &((gdt6_dpram_str __iomem *)ha->brd)->u.ic.Sema0);
- } else if (ha->type == GDT_PCINEW) {
- outb(1, PTR2USHORT(&ha->plx->sema0_reg));
- } else if (ha->type == GDT_PCIMPR) {
- writeb(1, &((gdt6m_dpram_str __iomem *)ha->brd)->i960r.sema0_reg);
- }
-}
-
-
-static void gdth_copy_command(gdth_ha_str *ha)
-{
- register gdth_cmd_str *cmd_ptr;
- register gdt6m_dpram_str __iomem *dp6m_ptr;
- register gdt6c_dpram_str __iomem *dp6c_ptr;
- gdt6_dpram_str __iomem *dp6_ptr;
- u16 cp_count,dp_offset,cmd_no;
-
- TRACE(("gdth_copy_command() hanum %d\n", ha->hanum));
-
- cp_count = ha->cmd_len;
- dp_offset= ha->cmd_offs_dpmem;
- cmd_no = ha->cmd_cnt;
- cmd_ptr = ha->pccb;
-
- ++ha->cmd_cnt;
-
- /* set cpcount dword aligned */
- if (cp_count & 3)
- cp_count += (4 - (cp_count & 3));
-
- ha->cmd_offs_dpmem += cp_count;
-
- /* set offset and service, copy command to DPMEM */
- if (ha->type == GDT_PCI) {
- dp6_ptr = ha->brd;
- writew(dp_offset + DPMEM_COMMAND_OFFSET,
- &dp6_ptr->u.ic.comm_queue[cmd_no].offset);
- writew((u16)cmd_ptr->Service,
- &dp6_ptr->u.ic.comm_queue[cmd_no].serv_id);
- memcpy_toio(&dp6_ptr->u.ic.gdt_dpr_cmd[dp_offset],cmd_ptr,cp_count);
- } else if (ha->type == GDT_PCINEW) {
- dp6c_ptr = ha->brd;
- writew(dp_offset + DPMEM_COMMAND_OFFSET,
- &dp6c_ptr->u.ic.comm_queue[cmd_no].offset);
- writew((u16)cmd_ptr->Service,
- &dp6c_ptr->u.ic.comm_queue[cmd_no].serv_id);
- memcpy_toio(&dp6c_ptr->u.ic.gdt_dpr_cmd[dp_offset],cmd_ptr,cp_count);
- } else if (ha->type == GDT_PCIMPR) {
- dp6m_ptr = ha->brd;
- writew(dp_offset + DPMEM_COMMAND_OFFSET,
- &dp6m_ptr->u.ic.comm_queue[cmd_no].offset);
- writew((u16)cmd_ptr->Service,
- &dp6m_ptr->u.ic.comm_queue[cmd_no].serv_id);
- memcpy_toio(&dp6m_ptr->u.ic.gdt_dpr_cmd[dp_offset],cmd_ptr,cp_count);
- }
-}
-
-
-static void gdth_release_event(gdth_ha_str *ha)
-{
- TRACE(("gdth_release_event() hanum %d\n", ha->hanum));
-
-#ifdef GDTH_STATISTICS
- {
- u32 i,j;
- for (i=0,j=0; j<GDTH_MAXCMDS; ++j) {
- if (ha->cmd_tab[j].cmnd != UNUSED_CMND)
- ++i;
- }
- if (max_index < i) {
- max_index = i;
- TRACE3(("GDT: max_index = %d\n",(u16)i));
- }
- }
-#endif
-
- if (ha->pccb->OpCode == GDT_INIT)
- ha->pccb->Service |= 0x80;
-
- if (ha->type == GDT_PCI) {
- writeb(0, &((gdt6_dpram_str __iomem *)ha->brd)->io.event);
- } else if (ha->type == GDT_PCINEW) {
- outb(1, PTR2USHORT(&ha->plx->ldoor_reg));
- } else if (ha->type == GDT_PCIMPR) {
- writeb(1, &((gdt6m_dpram_str __iomem *)ha->brd)->i960r.ldoor_reg);
- }
-}
-
-static int gdth_wait(gdth_ha_str *ha, int index, u32 time)
-{
- int answer_found = FALSE;
- int wait_index = 0;
-
- TRACE(("gdth_wait() hanum %d index %d time %d\n", ha->hanum, index, time));
-
- if (index == 0)
- return 1; /* no wait required */
-
- do {
- __gdth_interrupt(ha, true, &wait_index);
- if (wait_index == index) {
- answer_found = TRUE;
- break;
- }
- gdth_delay(1);
- } while (--time);
-
- while (gdth_test_busy(ha))
- gdth_delay(0);
-
- return (answer_found);
-}
-
-
-static int gdth_internal_cmd(gdth_ha_str *ha, u8 service, u16 opcode,
- u32 p1, u64 p2, u64 p3)
-{
- register gdth_cmd_str *cmd_ptr;
- int retries,index;
-
- TRACE2(("gdth_internal_cmd() service %d opcode %d\n",service,opcode));
-
- cmd_ptr = ha->pccb;
- memset((char*)cmd_ptr,0,sizeof(gdth_cmd_str));
-
- /* make command */
- for (retries = INIT_RETRIES;;) {
- cmd_ptr->Service = service;
- cmd_ptr->RequestBuffer = INTERNAL_CMND;
- if (!(index=gdth_get_cmd_index(ha))) {
- TRACE(("GDT: No free command index found\n"));
- return 0;
- }
- gdth_set_sema0(ha);
- cmd_ptr->OpCode = opcode;
- cmd_ptr->BoardNode = LOCALBOARD;
- if (service == CACHESERVICE) {
- if (opcode == GDT_IOCTL) {
- cmd_ptr->u.ioctl.subfunc = p1;
- cmd_ptr->u.ioctl.channel = (u32)p2;
- cmd_ptr->u.ioctl.param_size = (u16)p3;
- cmd_ptr->u.ioctl.p_param = ha->scratch_phys;
- } else {
- if (ha->cache_feat & GDT_64BIT) {
- cmd_ptr->u.cache64.DeviceNo = (u16)p1;
- cmd_ptr->u.cache64.BlockNo = p2;
- } else {
- cmd_ptr->u.cache.DeviceNo = (u16)p1;
- cmd_ptr->u.cache.BlockNo = (u32)p2;
- }
- }
- } else if (service == SCSIRAWSERVICE) {
- if (ha->raw_feat & GDT_64BIT) {
- cmd_ptr->u.raw64.direction = p1;
- cmd_ptr->u.raw64.bus = (u8)p2;
- cmd_ptr->u.raw64.target = (u8)p3;
- cmd_ptr->u.raw64.lun = (u8)(p3 >> 8);
- } else {
- cmd_ptr->u.raw.direction = p1;
- cmd_ptr->u.raw.bus = (u8)p2;
- cmd_ptr->u.raw.target = (u8)p3;
- cmd_ptr->u.raw.lun = (u8)(p3 >> 8);
- }
- } else if (service == SCREENSERVICE) {
- if (opcode == GDT_REALTIME) {
- *(u32 *)&cmd_ptr->u.screen.su.data[0] = p1;
- *(u32 *)&cmd_ptr->u.screen.su.data[4] = (u32)p2;
- *(u32 *)&cmd_ptr->u.screen.su.data[8] = (u32)p3;
- }
- }
- ha->cmd_len = sizeof(gdth_cmd_str);
- ha->cmd_offs_dpmem = 0;
- ha->cmd_cnt = 0;
- gdth_copy_command(ha);
- gdth_release_event(ha);
- gdth_delay(20);
- if (!gdth_wait(ha, index, INIT_TIMEOUT)) {
- printk("GDT: Initialization error (timeout service %d)\n",service);
- return 0;
- }
- if (ha->status != S_BSY || --retries == 0)
- break;
- gdth_delay(1);
- }
-
- return (ha->status != S_OK ? 0:1);
-}
-
-
-/* search for devices */
-
-static int gdth_search_drives(gdth_ha_str *ha)
-{
- u16 cdev_cnt, i;
- int ok;
- u32 bus_no, drv_cnt, drv_no, j;
- gdth_getch_str *chn;
- gdth_drlist_str *drl;
- gdth_iochan_str *ioc;
- gdth_raw_iochan_str *iocr;
- gdth_arcdl_str *alst;
- gdth_alist_str *alst2;
- gdth_oem_str_ioctl *oemstr;
-
- TRACE(("gdth_search_drives() hanum %d\n", ha->hanum));
- ok = 0;
-
- /* initialize controller services, at first: screen service */
- ha->screen_feat = 0;
- if (!force_dma32) {
- ok = gdth_internal_cmd(ha, SCREENSERVICE, GDT_X_INIT_SCR, 0, 0, 0);
- if (ok)
- ha->screen_feat = GDT_64BIT;
- }
- if (force_dma32 || (!ok && ha->status == (u16)S_NOFUNC))
- ok = gdth_internal_cmd(ha, SCREENSERVICE, GDT_INIT, 0, 0, 0);
- if (!ok) {
- printk("GDT-HA %d: Initialization error screen service (code %d)\n",
- ha->hanum, ha->status);
- return 0;
- }
- TRACE2(("gdth_search_drives(): SCREENSERVICE initialized\n"));
-
- /* unfreeze all IOs */
- gdth_internal_cmd(ha, CACHESERVICE, GDT_UNFREEZE_IO, 0, 0, 0);
-
- /* initialize cache service */
- ha->cache_feat = 0;
- if (!force_dma32) {
- ok = gdth_internal_cmd(ha, CACHESERVICE, GDT_X_INIT_HOST, LINUX_OS,
- 0, 0);
- if (ok)
- ha->cache_feat = GDT_64BIT;
- }
- if (force_dma32 || (!ok && ha->status == (u16)S_NOFUNC))
- ok = gdth_internal_cmd(ha, CACHESERVICE, GDT_INIT, LINUX_OS, 0, 0);
- if (!ok) {
- printk("GDT-HA %d: Initialization error cache service (code %d)\n",
- ha->hanum, ha->status);
- return 0;
- }
- TRACE2(("gdth_search_drives(): CACHESERVICE initialized\n"));
- cdev_cnt = (u16)ha->info;
- ha->fw_vers = ha->service;
-
- /* detect number of buses - try new IOCTL */
- iocr = (gdth_raw_iochan_str *)ha->pscratch;
- iocr->hdr.version = 0xffffffff;
- iocr->hdr.list_entries = MAXBUS;
- iocr->hdr.first_chan = 0;
- iocr->hdr.last_chan = MAXBUS-1;
- iocr->hdr.list_offset = GDTOFFSOF(gdth_raw_iochan_str, list[0]);
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, IOCHAN_RAW_DESC,
- INVALID_CHANNEL,sizeof(gdth_raw_iochan_str))) {
- TRACE2(("IOCHAN_RAW_DESC supported!\n"));
- ha->bus_cnt = iocr->hdr.chan_count;
- for (bus_no = 0; bus_no < ha->bus_cnt; ++bus_no) {
- if (iocr->list[bus_no].proc_id < MAXID)
- ha->bus_id[bus_no] = iocr->list[bus_no].proc_id;
- else
- ha->bus_id[bus_no] = 0xff;
- }
- } else {
- /* old method */
- chn = (gdth_getch_str *)ha->pscratch;
- for (bus_no = 0; bus_no < MAXBUS; ++bus_no) {
- chn->channel_no = bus_no;
- if (!gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL,
- SCSI_CHAN_CNT | L_CTRL_PATTERN,
- IO_CHANNEL | INVALID_CHANNEL,
- sizeof(gdth_getch_str))) {
- if (bus_no == 0) {
- printk("GDT-HA %d: Error detecting channel count (0x%x)\n",
- ha->hanum, ha->status);
- return 0;
- }
- break;
- }
- if (chn->siop_id < MAXID)
- ha->bus_id[bus_no] = chn->siop_id;
- else
- ha->bus_id[bus_no] = 0xff;
- }
- ha->bus_cnt = (u8)bus_no;
- }
- TRACE2(("gdth_search_drives() %d channels\n",ha->bus_cnt));
-
- /* read cache configuration */
- if (!gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, CACHE_INFO,
- INVALID_CHANNEL,sizeof(gdth_cinfo_str))) {
- printk("GDT-HA %d: Initialization error cache service (code %d)\n",
- ha->hanum, ha->status);
- return 0;
- }
- ha->cpar = ((gdth_cinfo_str *)ha->pscratch)->cpar;
- TRACE2(("gdth_search_drives() cinfo: vs %x sta %d str %d dw %d b %d\n",
- ha->cpar.version,ha->cpar.state,ha->cpar.strategy,
- ha->cpar.write_back,ha->cpar.block_size));
-
- /* read board info and features */
- ha->more_proc = FALSE;
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, BOARD_INFO,
- INVALID_CHANNEL,sizeof(gdth_binfo_str))) {
- memcpy(&ha->binfo, (gdth_binfo_str *)ha->pscratch,
- sizeof(gdth_binfo_str));
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, BOARD_FEATURES,
- INVALID_CHANNEL,sizeof(gdth_bfeat_str))) {
- TRACE2(("BOARD_INFO/BOARD_FEATURES supported\n"));
- ha->bfeat = *(gdth_bfeat_str *)ha->pscratch;
- ha->more_proc = TRUE;
- }
- } else {
- TRACE2(("BOARD_INFO requires firmware >= 1.10/2.08\n"));
- strcpy(ha->binfo.type_string, gdth_ctr_name(ha));
- }
- TRACE2(("Controller name: %s\n",ha->binfo.type_string));
-
- /* read more informations */
- if (ha->more_proc) {
- /* physical drives, channel addresses */
- ioc = (gdth_iochan_str *)ha->pscratch;
- ioc->hdr.version = 0xffffffff;
- ioc->hdr.list_entries = MAXBUS;
- ioc->hdr.first_chan = 0;
- ioc->hdr.last_chan = MAXBUS-1;
- ioc->hdr.list_offset = GDTOFFSOF(gdth_iochan_str, list[0]);
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, IOCHAN_DESC,
- INVALID_CHANNEL,sizeof(gdth_iochan_str))) {
- for (bus_no = 0; bus_no < ha->bus_cnt; ++bus_no) {
- ha->raw[bus_no].address = ioc->list[bus_no].address;
- ha->raw[bus_no].local_no = ioc->list[bus_no].local_no;
- }
- } else {
- for (bus_no = 0; bus_no < ha->bus_cnt; ++bus_no) {
- ha->raw[bus_no].address = IO_CHANNEL;
- ha->raw[bus_no].local_no = bus_no;
- }
- }
- for (bus_no = 0; bus_no < ha->bus_cnt; ++bus_no) {
- chn = (gdth_getch_str *)ha->pscratch;
- chn->channel_no = ha->raw[bus_no].local_no;
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL,
- SCSI_CHAN_CNT | L_CTRL_PATTERN,
- ha->raw[bus_no].address | INVALID_CHANNEL,
- sizeof(gdth_getch_str))) {
- ha->raw[bus_no].pdev_cnt = chn->drive_cnt;
- TRACE2(("Channel %d: %d phys. drives\n",
- bus_no,chn->drive_cnt));
- }
- if (ha->raw[bus_no].pdev_cnt > 0) {
- drl = (gdth_drlist_str *)ha->pscratch;
- drl->sc_no = ha->raw[bus_no].local_no;
- drl->sc_cnt = ha->raw[bus_no].pdev_cnt;
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL,
- SCSI_DR_LIST | L_CTRL_PATTERN,
- ha->raw[bus_no].address | INVALID_CHANNEL,
- sizeof(gdth_drlist_str))) {
- for (j = 0; j < ha->raw[bus_no].pdev_cnt; ++j)
- ha->raw[bus_no].id_list[j] = drl->sc_list[j];
- } else {
- ha->raw[bus_no].pdev_cnt = 0;
- }
- }
- }
-
- /* logical drives */
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, CACHE_DRV_CNT,
- INVALID_CHANNEL,sizeof(u32))) {
- drv_cnt = *(u32 *)ha->pscratch;
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, CACHE_DRV_LIST,
- INVALID_CHANNEL,drv_cnt * sizeof(u32))) {
- for (j = 0; j < drv_cnt; ++j) {
- drv_no = ((u32 *)ha->pscratch)[j];
- if (drv_no < MAX_LDRIVES) {
- ha->hdr[drv_no].is_logdrv = TRUE;
- TRACE2(("Drive %d is log. drive\n",drv_no));
- }
- }
- }
- alst = (gdth_arcdl_str *)ha->pscratch;
- alst->entries_avail = MAX_LDRIVES;
- alst->first_entry = 0;
- alst->list_offset = GDTOFFSOF(gdth_arcdl_str, list[0]);
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL,
- ARRAY_DRV_LIST2 | LA_CTRL_PATTERN,
- INVALID_CHANNEL, sizeof(gdth_arcdl_str) +
- (alst->entries_avail-1) * sizeof(gdth_alist_str))) {
- for (j = 0; j < alst->entries_init; ++j) {
- ha->hdr[j].is_arraydrv = alst->list[j].is_arrayd;
- ha->hdr[j].is_master = alst->list[j].is_master;
- ha->hdr[j].is_parity = alst->list[j].is_parity;
- ha->hdr[j].is_hotfix = alst->list[j].is_hotfix;
- ha->hdr[j].master_no = alst->list[j].cd_handle;
- }
- } else if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL,
- ARRAY_DRV_LIST | LA_CTRL_PATTERN,
- 0, 35 * sizeof(gdth_alist_str))) {
- for (j = 0; j < 35; ++j) {
- alst2 = &((gdth_alist_str *)ha->pscratch)[j];
- ha->hdr[j].is_arraydrv = alst2->is_arrayd;
- ha->hdr[j].is_master = alst2->is_master;
- ha->hdr[j].is_parity = alst2->is_parity;
- ha->hdr[j].is_hotfix = alst2->is_hotfix;
- ha->hdr[j].master_no = alst2->cd_handle;
- }
- }
- }
- }
-
- /* initialize raw service */
- ha->raw_feat = 0;
- if (!force_dma32) {
- ok = gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_X_INIT_RAW, 0, 0, 0);
- if (ok)
- ha->raw_feat = GDT_64BIT;
- }
- if (force_dma32 || (!ok && ha->status == (u16)S_NOFUNC))
- ok = gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_INIT, 0, 0, 0);
- if (!ok) {
- printk("GDT-HA %d: Initialization error raw service (code %d)\n",
- ha->hanum, ha->status);
- return 0;
- }
- TRACE2(("gdth_search_drives(): RAWSERVICE initialized\n"));
-
- /* set/get features raw service (scatter/gather) */
- if (gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_SET_FEAT, SCATTER_GATHER,
- 0, 0)) {
- TRACE2(("gdth_search_drives(): set features RAWSERVICE OK\n"));
- if (gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_GET_FEAT, 0, 0, 0)) {
- TRACE2(("gdth_search_dr(): get feat RAWSERVICE %d\n",
- ha->info));
- ha->raw_feat |= (u16)ha->info;
- }
- }
-
- /* set/get features cache service (equal to raw service) */
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_SET_FEAT, 0,
- SCATTER_GATHER,0)) {
- TRACE2(("gdth_search_drives(): set features CACHESERVICE OK\n"));
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_GET_FEAT, 0, 0, 0)) {
- TRACE2(("gdth_search_dr(): get feat CACHESERV. %d\n",
- ha->info));
- ha->cache_feat |= (u16)ha->info;
- }
- }
-
- /* reserve drives for raw service */
- if (reserve_mode != 0) {
- gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_RESERVE_ALL,
- reserve_mode == 1 ? 1 : 3, 0, 0);
- TRACE2(("gdth_search_drives(): RESERVE_ALL code %d\n",
- ha->status));
- }
- for (i = 0; i < MAX_RES_ARGS; i += 4) {
- if (reserve_list[i] == ha->hanum && reserve_list[i+1] < ha->bus_cnt &&
- reserve_list[i+2] < ha->tid_cnt && reserve_list[i+3] < MAXLUN) {
- TRACE2(("gdth_search_drives(): reserve ha %d bus %d id %d lun %d\n",
- reserve_list[i], reserve_list[i+1],
- reserve_list[i+2], reserve_list[i+3]));
- if (!gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_RESERVE, 0,
- reserve_list[i+1], reserve_list[i+2] |
- (reserve_list[i+3] << 8))) {
- printk("GDT-HA %d: Error raw service (RESERVE, code %d)\n",
- ha->hanum, ha->status);
- }
- }
- }
-
- /* Determine OEM string using IOCTL */
- oemstr = (gdth_oem_str_ioctl *)ha->pscratch;
- oemstr->params.ctl_version = 0x01;
- oemstr->params.buffer_size = sizeof(oemstr->text);
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL,
- CACHE_READ_OEM_STRING_RECORD,INVALID_CHANNEL,
- sizeof(gdth_oem_str_ioctl))) {
- TRACE2(("gdth_search_drives(): CACHE_READ_OEM_STRING_RECORD OK\n"));
- printk("GDT-HA %d: Vendor: %s Name: %s\n",
- ha->hanum, oemstr->text.oem_company_name, ha->binfo.type_string);
- /* Save the Host Drive inquiry data */
- strlcpy(ha->oem_name,oemstr->text.scsi_host_drive_inquiry_vendor_id,
- sizeof(ha->oem_name));
- } else {
- /* Old method, based on PCI ID */
- TRACE2(("gdth_search_drives(): CACHE_READ_OEM_STRING_RECORD failed\n"));
- printk("GDT-HA %d: Name: %s\n",
- ha->hanum, ha->binfo.type_string);
- if (ha->oem_id == OEM_ID_INTEL)
- strlcpy(ha->oem_name,"Intel ", sizeof(ha->oem_name));
- else
- strlcpy(ha->oem_name,"ICP ", sizeof(ha->oem_name));
- }
-
- /* scanning for host drives */
- for (i = 0; i < cdev_cnt; ++i)
- gdth_analyse_hdrive(ha, i);
-
- TRACE(("gdth_search_drives() OK\n"));
- return 1;
-}
-
-static int gdth_analyse_hdrive(gdth_ha_str *ha, u16 hdrive)
-{
- u32 drv_cyls;
- int drv_hds, drv_secs;
-
- TRACE(("gdth_analyse_hdrive() hanum %d drive %d\n", ha->hanum, hdrive));
- if (hdrive >= MAX_HDRIVES)
- return 0;
-
- if (!gdth_internal_cmd(ha, CACHESERVICE, GDT_INFO, hdrive, 0, 0))
- return 0;
- ha->hdr[hdrive].present = TRUE;
- ha->hdr[hdrive].size = ha->info;
-
- /* evaluate mapping (sectors per head, heads per cylinder) */
- ha->hdr[hdrive].size &= ~SECS32;
- if (ha->info2 == 0) {
- gdth_eval_mapping(ha->hdr[hdrive].size,&drv_cyls,&drv_hds,&drv_secs);
- } else {
- drv_hds = ha->info2 & 0xff;
- drv_secs = (ha->info2 >> 8) & 0xff;
- drv_cyls = (u32)ha->hdr[hdrive].size / drv_hds / drv_secs;
- }
- ha->hdr[hdrive].heads = (u8)drv_hds;
- ha->hdr[hdrive].secs = (u8)drv_secs;
- /* round size */
- ha->hdr[hdrive].size = drv_cyls * drv_hds * drv_secs;
-
- if (ha->cache_feat & GDT_64BIT) {
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_X_INFO, hdrive, 0, 0)
- && ha->info2 != 0) {
- ha->hdr[hdrive].size = ((u64)ha->info2 << 32) | ha->info;
- }
- }
- TRACE2(("gdth_search_dr() cdr. %d size %d hds %d scs %d\n",
- hdrive,ha->hdr[hdrive].size,drv_hds,drv_secs));
-
- /* get informations about device */
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_DEVTYPE, hdrive, 0, 0)) {
- TRACE2(("gdth_search_dr() cache drive %d devtype %d\n",
- hdrive,ha->info));
- ha->hdr[hdrive].devtype = (u16)ha->info;
- }
-
- /* cluster info */
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_CLUST_INFO, hdrive, 0, 0)) {
- TRACE2(("gdth_search_dr() cache drive %d cluster info %d\n",
- hdrive,ha->info));
- if (!shared_access)
- ha->hdr[hdrive].cluster_type = (u8)ha->info;
- }
-
- /* R/W attributes */
- if (gdth_internal_cmd(ha, CACHESERVICE, GDT_RW_ATTRIBS, hdrive, 0, 0)) {
- TRACE2(("gdth_search_dr() cache drive %d r/w attrib. %d\n",
- hdrive,ha->info));
- ha->hdr[hdrive].rw_attribs = (u8)ha->info;
- }
-
- return 1;
-}
-
-
-/* command queueing/sending functions */
-
-static void gdth_putq(gdth_ha_str *ha, struct scsi_cmnd *scp, u8 priority)
-{
- struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp);
- register struct scsi_cmnd *pscp;
- register struct scsi_cmnd *nscp;
- unsigned long flags;
-
- TRACE(("gdth_putq() priority %d\n",priority));
- spin_lock_irqsave(&ha->smp_lock, flags);
-
- if (!cmndinfo->internal_command)
- cmndinfo->priority = priority;
-
- if (ha->req_first==NULL) {
- ha->req_first = scp; /* queue was empty */
- scp->SCp.ptr = NULL;
- } else { /* queue not empty */
- pscp = ha->req_first;
- nscp = (struct scsi_cmnd *)pscp->SCp.ptr;
- /* priority: 0-highest,..,0xff-lowest */
- while (nscp && gdth_cmnd_priv(nscp)->priority <= priority) {
- pscp = nscp;
- nscp = (struct scsi_cmnd *)pscp->SCp.ptr;
- }
- pscp->SCp.ptr = (char *)scp;
- scp->SCp.ptr = (char *)nscp;
- }
- spin_unlock_irqrestore(&ha->smp_lock, flags);
-
-#ifdef GDTH_STATISTICS
- flags = 0;
- for (nscp=ha->req_first; nscp; nscp=(struct scsi_cmnd*)nscp->SCp.ptr)
- ++flags;
- if (max_rq < flags) {
- max_rq = flags;
- TRACE3(("GDT: max_rq = %d\n",(u16)max_rq));
- }
-#endif
-}
-
-static void gdth_next(gdth_ha_str *ha)
-{
- register struct scsi_cmnd *pscp;
- register struct scsi_cmnd *nscp;
- u8 b, t, l, firsttime;
- u8 this_cmd, next_cmd;
- unsigned long flags = 0;
- int cmd_index;
-
- TRACE(("gdth_next() hanum %d\n", ha->hanum));
- if (!gdth_polling)
- spin_lock_irqsave(&ha->smp_lock, flags);
-
- ha->cmd_cnt = ha->cmd_offs_dpmem = 0;
- this_cmd = firsttime = TRUE;
- next_cmd = gdth_polling ? FALSE:TRUE;
- cmd_index = 0;
-
- for (nscp = pscp = ha->req_first; nscp; nscp = (struct scsi_cmnd *)nscp->SCp.ptr) {
- struct gdth_cmndinfo *nscp_cmndinfo = gdth_cmnd_priv(nscp);
- if (nscp != pscp && nscp != (struct scsi_cmnd *)pscp->SCp.ptr)
- pscp = (struct scsi_cmnd *)pscp->SCp.ptr;
- if (!nscp_cmndinfo->internal_command) {
- b = nscp->device->channel;
- t = nscp->device->id;
- l = nscp->device->lun;
- if (nscp_cmndinfo->priority >= DEFAULT_PRI) {
- if ((b != ha->virt_bus && ha->raw[BUS_L2P(ha,b)].lock) ||
- (b == ha->virt_bus && t < MAX_HDRIVES && ha->hdr[t].lock))
- continue;
- }
- } else
- b = t = l = 0;
-
- if (firsttime) {
- if (gdth_test_busy(ha)) { /* controller busy ? */
- TRACE(("gdth_next() controller %d busy !\n", ha->hanum));
- if (!gdth_polling) {
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- return;
- }
- while (gdth_test_busy(ha))
- gdth_delay(1);
- }
- firsttime = FALSE;
- }
-
- if (!nscp_cmndinfo->internal_command) {
- if (nscp_cmndinfo->phase == -1) {
- nscp_cmndinfo->phase = CACHESERVICE; /* default: cache svc. */
- if (nscp->cmnd[0] == TEST_UNIT_READY) {
- TRACE2(("TEST_UNIT_READY Bus %d Id %d LUN %d\n",
- b, t, l));
- /* TEST_UNIT_READY -> set scan mode */
- if ((ha->scan_mode & 0x0f) == 0) {
- if (b == 0 && t == 0 && l == 0) {
- ha->scan_mode |= 1;
- TRACE2(("Scan mode: 0x%x\n", ha->scan_mode));
- }
- } else if ((ha->scan_mode & 0x0f) == 1) {
- if (b == 0 && ((t == 0 && l == 1) ||
- (t == 1 && l == 0))) {
- nscp_cmndinfo->OpCode = GDT_SCAN_START;
- nscp_cmndinfo->phase = ((ha->scan_mode & 0x10 ? 1:0) << 8)
- | SCSIRAWSERVICE;
- ha->scan_mode = 0x12;
- TRACE2(("Scan mode: 0x%x (SCAN_START)\n",
- ha->scan_mode));
- } else {
- ha->scan_mode &= 0x10;
- TRACE2(("Scan mode: 0x%x\n", ha->scan_mode));
- }
- } else if (ha->scan_mode == 0x12) {
- if (b == ha->bus_cnt && t == ha->tid_cnt-1) {
- nscp_cmndinfo->phase = SCSIRAWSERVICE;
- nscp_cmndinfo->OpCode = GDT_SCAN_END;
- ha->scan_mode &= 0x10;
- TRACE2(("Scan mode: 0x%x (SCAN_END)\n",
- ha->scan_mode));
- }
- }
- }
- if (b == ha->virt_bus && nscp->cmnd[0] != INQUIRY &&
- nscp->cmnd[0] != READ_CAPACITY && nscp->cmnd[0] != MODE_SENSE &&
- (ha->hdr[t].cluster_type & CLUSTER_DRIVE)) {
- /* always GDT_CLUST_INFO! */
- nscp_cmndinfo->OpCode = GDT_CLUST_INFO;
- }
- }
- }
-
- if (nscp_cmndinfo->OpCode != -1) {
- if ((nscp_cmndinfo->phase & 0xff) == CACHESERVICE) {
- if (!(cmd_index=gdth_fill_cache_cmd(ha, nscp, t)))
- this_cmd = FALSE;
- next_cmd = FALSE;
- } else if ((nscp_cmndinfo->phase & 0xff) == SCSIRAWSERVICE) {
- if (!(cmd_index=gdth_fill_raw_cmd(ha, nscp, BUS_L2P(ha, b))))
- this_cmd = FALSE;
- next_cmd = FALSE;
- } else {
- memset((char*)nscp->sense_buffer,0,16);
- nscp->sense_buffer[0] = 0x70;
- nscp->sense_buffer[2] = NOT_READY;
- nscp->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
- if (!nscp_cmndinfo->wait_for_completion)
- nscp_cmndinfo->wait_for_completion++;
- else
- gdth_scsi_done(nscp);
- }
- } else if (gdth_cmnd_priv(nscp)->internal_command) {
- if (!(cmd_index=gdth_special_cmd(ha, nscp)))
- this_cmd = FALSE;
- next_cmd = FALSE;
- } else if (b != ha->virt_bus) {
- if (ha->raw[BUS_L2P(ha,b)].io_cnt[t] >= GDTH_MAX_RAW ||
- !(cmd_index=gdth_fill_raw_cmd(ha, nscp, BUS_L2P(ha, b))))
- this_cmd = FALSE;
- else
- ha->raw[BUS_L2P(ha,b)].io_cnt[t]++;
- } else if (t >= MAX_HDRIVES || !ha->hdr[t].present || l != 0) {
- TRACE2(("Command 0x%x to bus %d id %d lun %d -> IGNORE\n",
- nscp->cmnd[0], b, t, l));
- nscp->result = DID_BAD_TARGET << 16;
- if (!nscp_cmndinfo->wait_for_completion)
- nscp_cmndinfo->wait_for_completion++;
- else
- gdth_scsi_done(nscp);
- } else {
- switch (nscp->cmnd[0]) {
- case TEST_UNIT_READY:
- case INQUIRY:
- case REQUEST_SENSE:
- case READ_CAPACITY:
- case VERIFY:
- case START_STOP:
- case MODE_SENSE:
- case SERVICE_ACTION_IN_16:
- TRACE(("cache cmd %x/%x/%x/%x/%x/%x\n",nscp->cmnd[0],
- nscp->cmnd[1],nscp->cmnd[2],nscp->cmnd[3],
- nscp->cmnd[4],nscp->cmnd[5]));
- if (ha->hdr[t].media_changed && nscp->cmnd[0] != INQUIRY) {
- /* return UNIT_ATTENTION */
- TRACE2(("cmd 0x%x target %d: UNIT_ATTENTION\n",
- nscp->cmnd[0], t));
- ha->hdr[t].media_changed = FALSE;
- memset((char*)nscp->sense_buffer,0,16);
- nscp->sense_buffer[0] = 0x70;
- nscp->sense_buffer[2] = UNIT_ATTENTION;
- nscp->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
- if (!nscp_cmndinfo->wait_for_completion)
- nscp_cmndinfo->wait_for_completion++;
- else
- gdth_scsi_done(nscp);
- } else if (gdth_internal_cache_cmd(ha, nscp))
- gdth_scsi_done(nscp);
- break;
-
- case ALLOW_MEDIUM_REMOVAL:
- TRACE(("cache cmd %x/%x/%x/%x/%x/%x\n",nscp->cmnd[0],
- nscp->cmnd[1],nscp->cmnd[2],nscp->cmnd[3],
- nscp->cmnd[4],nscp->cmnd[5]));
- if ( (nscp->cmnd[4]&1) && !(ha->hdr[t].devtype&1) ) {
- TRACE(("Prevent r. nonremov. drive->do nothing\n"));
- nscp->result = DID_OK << 16;
- nscp->sense_buffer[0] = 0;
- if (!nscp_cmndinfo->wait_for_completion)
- nscp_cmndinfo->wait_for_completion++;
- else
- gdth_scsi_done(nscp);
- } else {
- nscp->cmnd[3] = (ha->hdr[t].devtype&1) ? 1:0;
- TRACE(("Prevent/allow r. %d rem. drive %d\n",
- nscp->cmnd[4],nscp->cmnd[3]));
- if (!(cmd_index=gdth_fill_cache_cmd(ha, nscp, t)))
- this_cmd = FALSE;
- }
- break;
-
- case RESERVE:
- case RELEASE:
- TRACE2(("cache cmd %s\n",nscp->cmnd[0] == RESERVE ?
- "RESERVE" : "RELEASE"));
- if (!(cmd_index=gdth_fill_cache_cmd(ha, nscp, t)))
- this_cmd = FALSE;
- break;
-
- case READ_6:
- case WRITE_6:
- case READ_10:
- case WRITE_10:
- case READ_16:
- case WRITE_16:
- if (ha->hdr[t].media_changed) {
- /* return UNIT_ATTENTION */
- TRACE2(("cmd 0x%x target %d: UNIT_ATTENTION\n",
- nscp->cmnd[0], t));
- ha->hdr[t].media_changed = FALSE;
- memset((char*)nscp->sense_buffer,0,16);
- nscp->sense_buffer[0] = 0x70;
- nscp->sense_buffer[2] = UNIT_ATTENTION;
- nscp->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
- if (!nscp_cmndinfo->wait_for_completion)
- nscp_cmndinfo->wait_for_completion++;
- else
- gdth_scsi_done(nscp);
- } else if (!(cmd_index=gdth_fill_cache_cmd(ha, nscp, t)))
- this_cmd = FALSE;
- break;
-
- default:
- TRACE2(("cache cmd %x/%x/%x/%x/%x/%x unknown\n",nscp->cmnd[0],
- nscp->cmnd[1],nscp->cmnd[2],nscp->cmnd[3],
- nscp->cmnd[4],nscp->cmnd[5]));
- printk("GDT-HA %d: Unknown SCSI command 0x%x to cache service !\n",
- ha->hanum, nscp->cmnd[0]);
- nscp->result = DID_ABORT << 16;
- if (!nscp_cmndinfo->wait_for_completion)
- nscp_cmndinfo->wait_for_completion++;
- else
- gdth_scsi_done(nscp);
- break;
- }
- }
-
- if (!this_cmd)
- break;
- if (nscp == ha->req_first)
- ha->req_first = pscp = (struct scsi_cmnd *)nscp->SCp.ptr;
- else
- pscp->SCp.ptr = nscp->SCp.ptr;
- if (!next_cmd)
- break;
- }
-
- if (ha->cmd_cnt > 0) {
- gdth_release_event(ha);
- }
-
- if (!gdth_polling)
- spin_unlock_irqrestore(&ha->smp_lock, flags);
-
- if (gdth_polling && ha->cmd_cnt > 0) {
- if (!gdth_wait(ha, cmd_index, POLL_TIMEOUT))
- printk("GDT-HA %d: Command %d timed out !\n",
- ha->hanum, cmd_index);
- }
-}
-
-/*
- * gdth_copy_internal_data() - copy to/from a buffer onto a scsi_cmnd's
- * buffers, kmap_atomic() as needed.
- */
-static void gdth_copy_internal_data(gdth_ha_str *ha, struct scsi_cmnd *scp,
- char *buffer, u16 count)
-{
- u16 cpcount,i, max_sg = scsi_sg_count(scp);
- u16 cpsum,cpnow;
- struct scatterlist *sl;
- char *address;
-
- cpcount = min_t(u16, count, scsi_bufflen(scp));
-
- if (cpcount) {
- cpsum=0;
- scsi_for_each_sg(scp, sl, max_sg, i) {
- unsigned long flags;
- cpnow = (u16)sl->length;
- TRACE(("copy_internal() now %d sum %d count %d %d\n",
- cpnow, cpsum, cpcount, scsi_bufflen(scp)));
- if (cpsum+cpnow > cpcount)
- cpnow = cpcount - cpsum;
- cpsum += cpnow;
- if (!sg_page(sl)) {
- printk("GDT-HA %d: invalid sc/gt element in gdth_copy_internal_data()\n",
- ha->hanum);
- return;
- }
- local_irq_save(flags);
- address = kmap_atomic(sg_page(sl)) + sl->offset;
- memcpy(address, buffer, cpnow);
- flush_dcache_page(sg_page(sl));
- kunmap_atomic(address);
- local_irq_restore(flags);
- if (cpsum == cpcount)
- break;
- buffer += cpnow;
- }
- } else if (count) {
- printk("GDT-HA %d: SCSI command with no buffers but data transfer expected!\n",
- ha->hanum);
- WARN_ON(1);
- }
-}
-
-static int gdth_internal_cache_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp)
-{
- u8 t;
- gdth_inq_data inq;
- gdth_rdcap_data rdc;
- gdth_sense_data sd;
- gdth_modep_data mpd;
- struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp);
-
- t = scp->device->id;
- TRACE(("gdth_internal_cache_cmd() cmd 0x%x hdrive %d\n",
- scp->cmnd[0],t));
-
- scp->result = DID_OK << 16;
- scp->sense_buffer[0] = 0;
-
- switch (scp->cmnd[0]) {
- case TEST_UNIT_READY:
- case VERIFY:
- case START_STOP:
- TRACE2(("Test/Verify/Start hdrive %d\n",t));
- break;
-
- case INQUIRY:
- TRACE2(("Inquiry hdrive %d devtype %d\n",
- t,ha->hdr[t].devtype));
- inq.type_qual = (ha->hdr[t].devtype&4) ? TYPE_ROM:TYPE_DISK;
- /* you can here set all disks to removable, if you want to do
- a flush using the ALLOW_MEDIUM_REMOVAL command */
- inq.modif_rmb = 0x00;
- if ((ha->hdr[t].devtype & 1) ||
- (ha->hdr[t].cluster_type & CLUSTER_DRIVE))
- inq.modif_rmb = 0x80;
- inq.version = 2;
- inq.resp_aenc = 2;
- inq.add_length= 32;
- strcpy(inq.vendor,ha->oem_name);
- snprintf(inq.product, sizeof(inq.product), "Host Drive #%02d",t);
- strcpy(inq.revision," ");
- gdth_copy_internal_data(ha, scp, (char*)&inq, sizeof(gdth_inq_data));
- break;
-
- case REQUEST_SENSE:
- TRACE2(("Request sense hdrive %d\n",t));
- sd.errorcode = 0x70;
- sd.segno = 0x00;
- sd.key = NO_SENSE;
- sd.info = 0;
- sd.add_length= 0;
- gdth_copy_internal_data(ha, scp, (char*)&sd, sizeof(gdth_sense_data));
- break;
-
- case MODE_SENSE:
- TRACE2(("Mode sense hdrive %d\n",t));
- memset((char*)&mpd,0,sizeof(gdth_modep_data));
- mpd.hd.data_length = sizeof(gdth_modep_data);
- mpd.hd.dev_par = (ha->hdr[t].devtype&2) ? 0x80:0;
- mpd.hd.bd_length = sizeof(mpd.bd);
- mpd.bd.block_length[0] = (SECTOR_SIZE & 0x00ff0000) >> 16;
- mpd.bd.block_length[1] = (SECTOR_SIZE & 0x0000ff00) >> 8;
- mpd.bd.block_length[2] = (SECTOR_SIZE & 0x000000ff);
- gdth_copy_internal_data(ha, scp, (char*)&mpd, sizeof(gdth_modep_data));
- break;
-
- case READ_CAPACITY:
- TRACE2(("Read capacity hdrive %d\n",t));
- if (ha->hdr[t].size > (u64)0xffffffff)
- rdc.last_block_no = 0xffffffff;
- else
- rdc.last_block_no = cpu_to_be32(ha->hdr[t].size-1);
- rdc.block_length = cpu_to_be32(SECTOR_SIZE);
- gdth_copy_internal_data(ha, scp, (char*)&rdc, sizeof(gdth_rdcap_data));
- break;
-
- case SERVICE_ACTION_IN_16:
- if ((scp->cmnd[1] & 0x1f) == SAI_READ_CAPACITY_16 &&
- (ha->cache_feat & GDT_64BIT)) {
- gdth_rdcap16_data rdc16;
-
- TRACE2(("Read capacity (16) hdrive %d\n",t));
- rdc16.last_block_no = cpu_to_be64(ha->hdr[t].size-1);
- rdc16.block_length = cpu_to_be32(SECTOR_SIZE);
- gdth_copy_internal_data(ha, scp, (char*)&rdc16,
- sizeof(gdth_rdcap16_data));
- } else {
- scp->result = DID_ABORT << 16;
- }
- break;
-
- default:
- TRACE2(("Internal cache cmd 0x%x unknown\n",scp->cmnd[0]));
- break;
- }
-
- if (!cmndinfo->wait_for_completion)
- cmndinfo->wait_for_completion++;
- else
- return 1;
-
- return 0;
-}
-
-static int gdth_fill_cache_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp,
- u16 hdrive)
-{
- register gdth_cmd_str *cmdp;
- struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp);
- u32 cnt, blockcnt;
- u64 no, blockno;
- int i, cmd_index, read_write, sgcnt, mode64;
-
- cmdp = ha->pccb;
- TRACE(("gdth_fill_cache_cmd() cmd 0x%x cmdsize %d hdrive %d\n",
- scp->cmnd[0],scp->cmd_len,hdrive));
-
- mode64 = (ha->cache_feat & GDT_64BIT) ? TRUE : FALSE;
- /* test for READ_16, WRITE_16 if !mode64 ? ---
- not required, should not occur due to error return on
- READ_CAPACITY_16 */
-
- cmdp->Service = CACHESERVICE;
- cmdp->RequestBuffer = scp;
- /* search free command index */
- if (!(cmd_index=gdth_get_cmd_index(ha))) {
- TRACE(("GDT: No free command index found\n"));
- return 0;
- }
- /* if it's the first command, set command semaphore */
- if (ha->cmd_cnt == 0)
- gdth_set_sema0(ha);
-
- /* fill command */
- read_write = 0;
- if (cmndinfo->OpCode != -1)
- cmdp->OpCode = cmndinfo->OpCode; /* special cache cmd. */
- else if (scp->cmnd[0] == RESERVE)
- cmdp->OpCode = GDT_RESERVE_DRV;
- else if (scp->cmnd[0] == RELEASE)
- cmdp->OpCode = GDT_RELEASE_DRV;
- else if (scp->cmnd[0] == ALLOW_MEDIUM_REMOVAL) {
- if (scp->cmnd[4] & 1) /* prevent ? */
- cmdp->OpCode = GDT_MOUNT;
- else if (scp->cmnd[3] & 1) /* removable drive ? */
- cmdp->OpCode = GDT_UNMOUNT;
- else
- cmdp->OpCode = GDT_FLUSH;
- } else if (scp->cmnd[0] == WRITE_6 || scp->cmnd[0] == WRITE_10 ||
- scp->cmnd[0] == WRITE_12 || scp->cmnd[0] == WRITE_16
- ) {
- read_write = 1;
- if (gdth_write_through || ((ha->hdr[hdrive].rw_attribs & 1) &&
- (ha->cache_feat & GDT_WR_THROUGH)))
- cmdp->OpCode = GDT_WRITE_THR;
- else
- cmdp->OpCode = GDT_WRITE;
- } else {
- read_write = 2;
- cmdp->OpCode = GDT_READ;
- }
-
- cmdp->BoardNode = LOCALBOARD;
- if (mode64) {
- cmdp->u.cache64.DeviceNo = hdrive;
- cmdp->u.cache64.BlockNo = 1;
- cmdp->u.cache64.sg_canz = 0;
- } else {
- cmdp->u.cache.DeviceNo = hdrive;
- cmdp->u.cache.BlockNo = 1;
- cmdp->u.cache.sg_canz = 0;
- }
-
- if (read_write) {
- if (scp->cmd_len == 16) {
- memcpy(&no, &scp->cmnd[2], sizeof(u64));
- blockno = be64_to_cpu(no);
- memcpy(&cnt, &scp->cmnd[10], sizeof(u32));
- blockcnt = be32_to_cpu(cnt);
- } else if (scp->cmd_len == 10) {
- memcpy(&no, &scp->cmnd[2], sizeof(u32));
- blockno = be32_to_cpu(no);
- memcpy(&cnt, &scp->cmnd[7], sizeof(u16));
- blockcnt = be16_to_cpu(cnt);
- } else {
- memcpy(&no, &scp->cmnd[0], sizeof(u32));
- blockno = be32_to_cpu(no) & 0x001fffffUL;
- blockcnt= scp->cmnd[4]==0 ? 0x100 : scp->cmnd[4];
- }
- if (mode64) {
- cmdp->u.cache64.BlockNo = blockno;
- cmdp->u.cache64.BlockCnt = blockcnt;
- } else {
- cmdp->u.cache.BlockNo = (u32)blockno;
- cmdp->u.cache.BlockCnt = blockcnt;
- }
-
- if (scsi_bufflen(scp)) {
- cmndinfo->dma_dir = (read_write == 1 ?
- DMA_TO_DEVICE : DMA_FROM_DEVICE);
- sgcnt = dma_map_sg(&ha->pdev->dev, scsi_sglist(scp),
- scsi_sg_count(scp), cmndinfo->dma_dir);
- if (mode64) {
- struct scatterlist *sl;
-
- cmdp->u.cache64.DestAddr= (u64)-1;
- cmdp->u.cache64.sg_canz = sgcnt;
- scsi_for_each_sg(scp, sl, sgcnt, i) {
- cmdp->u.cache64.sg_lst[i].sg_ptr = sg_dma_address(sl);
- cmdp->u.cache64.sg_lst[i].sg_len = sg_dma_len(sl);
- }
- } else {
- struct scatterlist *sl;
-
- cmdp->u.cache.DestAddr= 0xffffffff;
- cmdp->u.cache.sg_canz = sgcnt;
- scsi_for_each_sg(scp, sl, sgcnt, i) {
- cmdp->u.cache.sg_lst[i].sg_ptr = sg_dma_address(sl);
- cmdp->u.cache.sg_lst[i].sg_len = sg_dma_len(sl);
- }
- }
-
-#ifdef GDTH_STATISTICS
- if (max_sg < (u32)sgcnt) {
- max_sg = (u32)sgcnt;
- TRACE3(("GDT: max_sg = %d\n",max_sg));
- }
-#endif
-
- }
- }
- /* evaluate command size, check space */
- if (mode64) {
- TRACE(("cache cmd: addr. %x sganz %x sgptr0 %x sglen0 %x\n",
- cmdp->u.cache64.DestAddr,cmdp->u.cache64.sg_canz,
- cmdp->u.cache64.sg_lst[0].sg_ptr,
- cmdp->u.cache64.sg_lst[0].sg_len));
- TRACE(("cache cmd: cmd %d blockno. %d, blockcnt %d\n",
- cmdp->OpCode,cmdp->u.cache64.BlockNo,cmdp->u.cache64.BlockCnt));
- ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.cache64.sg_lst) +
- (u16)cmdp->u.cache64.sg_canz * sizeof(gdth_sg64_str);
- } else {
- TRACE(("cache cmd: addr. %x sganz %x sgptr0 %x sglen0 %x\n",
- cmdp->u.cache.DestAddr,cmdp->u.cache.sg_canz,
- cmdp->u.cache.sg_lst[0].sg_ptr,
- cmdp->u.cache.sg_lst[0].sg_len));
- TRACE(("cache cmd: cmd %d blockno. %d, blockcnt %d\n",
- cmdp->OpCode,cmdp->u.cache.BlockNo,cmdp->u.cache.BlockCnt));
- ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.cache.sg_lst) +
- (u16)cmdp->u.cache.sg_canz * sizeof(gdth_sg_str);
- }
- if (ha->cmd_len & 3)
- ha->cmd_len += (4 - (ha->cmd_len & 3));
-
- if (ha->cmd_cnt > 0) {
- if ((ha->cmd_offs_dpmem + ha->cmd_len + DPMEM_COMMAND_OFFSET) >
- ha->ic_all_size) {
- TRACE2(("gdth_fill_cache() DPMEM overflow\n"));
- ha->cmd_tab[cmd_index-2].cmnd = UNUSED_CMND;
- return 0;
- }
- }
-
- /* copy command */
- gdth_copy_command(ha);
- return cmd_index;
-}
-
-static int gdth_fill_raw_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp, u8 b)
-{
- register gdth_cmd_str *cmdp;
- u16 i;
- dma_addr_t sense_paddr;
- int cmd_index, sgcnt, mode64;
- u8 t,l;
- struct gdth_cmndinfo *cmndinfo;
-
- t = scp->device->id;
- l = scp->device->lun;
- cmdp = ha->pccb;
- TRACE(("gdth_fill_raw_cmd() cmd 0x%x bus %d ID %d LUN %d\n",
- scp->cmnd[0],b,t,l));
-
- mode64 = (ha->raw_feat & GDT_64BIT) ? TRUE : FALSE;
-
- cmdp->Service = SCSIRAWSERVICE;
- cmdp->RequestBuffer = scp;
- /* search free command index */
- if (!(cmd_index=gdth_get_cmd_index(ha))) {
- TRACE(("GDT: No free command index found\n"));
- return 0;
- }
- /* if it's the first command, set command semaphore */
- if (ha->cmd_cnt == 0)
- gdth_set_sema0(ha);
-
- cmndinfo = gdth_cmnd_priv(scp);
- /* fill command */
- if (cmndinfo->OpCode != -1) {
- cmdp->OpCode = cmndinfo->OpCode; /* special raw cmd. */
- cmdp->BoardNode = LOCALBOARD;
- if (mode64) {
- cmdp->u.raw64.direction = (cmndinfo->phase >> 8);
- TRACE2(("special raw cmd 0x%x param 0x%x\n",
- cmdp->OpCode, cmdp->u.raw64.direction));
- /* evaluate command size */
- ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw64.sg_lst);
- } else {
- cmdp->u.raw.direction = (cmndinfo->phase >> 8);
- TRACE2(("special raw cmd 0x%x param 0x%x\n",
- cmdp->OpCode, cmdp->u.raw.direction));
- /* evaluate command size */
- ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw.sg_lst);
- }
-
- } else {
- sense_paddr = dma_map_single(&ha->pdev->dev, scp->sense_buffer, 16,
- DMA_FROM_DEVICE);
-
- cmndinfo->sense_paddr = sense_paddr;
- cmdp->OpCode = GDT_WRITE; /* always */
- cmdp->BoardNode = LOCALBOARD;
- if (mode64) {
- cmdp->u.raw64.reserved = 0;
- cmdp->u.raw64.mdisc_time = 0;
- cmdp->u.raw64.mcon_time = 0;
- cmdp->u.raw64.clen = scp->cmd_len;
- cmdp->u.raw64.target = t;
- cmdp->u.raw64.lun = l;
- cmdp->u.raw64.bus = b;
- cmdp->u.raw64.priority = 0;
- cmdp->u.raw64.sdlen = scsi_bufflen(scp);
- cmdp->u.raw64.sense_len = 16;
- cmdp->u.raw64.sense_data = sense_paddr;
- cmdp->u.raw64.direction =
- gdth_direction_tab[scp->cmnd[0]]==DOU ? GDTH_DATA_OUT:GDTH_DATA_IN;
- memcpy(cmdp->u.raw64.cmd,scp->cmnd,16);
- cmdp->u.raw64.sg_ranz = 0;
- } else {
- cmdp->u.raw.reserved = 0;
- cmdp->u.raw.mdisc_time = 0;
- cmdp->u.raw.mcon_time = 0;
- cmdp->u.raw.clen = scp->cmd_len;
- cmdp->u.raw.target = t;
- cmdp->u.raw.lun = l;
- cmdp->u.raw.bus = b;
- cmdp->u.raw.priority = 0;
- cmdp->u.raw.link_p = 0;
- cmdp->u.raw.sdlen = scsi_bufflen(scp);
- cmdp->u.raw.sense_len = 16;
- cmdp->u.raw.sense_data = sense_paddr;
- cmdp->u.raw.direction =
- gdth_direction_tab[scp->cmnd[0]]==DOU ? GDTH_DATA_OUT:GDTH_DATA_IN;
- memcpy(cmdp->u.raw.cmd,scp->cmnd,12);
- cmdp->u.raw.sg_ranz = 0;
- }
-
- if (scsi_bufflen(scp)) {
- cmndinfo->dma_dir = DMA_BIDIRECTIONAL;
- sgcnt = dma_map_sg(&ha->pdev->dev, scsi_sglist(scp),
- scsi_sg_count(scp), cmndinfo->dma_dir);
- if (mode64) {
- struct scatterlist *sl;
-
- cmdp->u.raw64.sdata = (u64)-1;
- cmdp->u.raw64.sg_ranz = sgcnt;
- scsi_for_each_sg(scp, sl, sgcnt, i) {
- cmdp->u.raw64.sg_lst[i].sg_ptr = sg_dma_address(sl);
- cmdp->u.raw64.sg_lst[i].sg_len = sg_dma_len(sl);
- }
- } else {
- struct scatterlist *sl;
-
- cmdp->u.raw.sdata = 0xffffffff;
- cmdp->u.raw.sg_ranz = sgcnt;
- scsi_for_each_sg(scp, sl, sgcnt, i) {
- cmdp->u.raw.sg_lst[i].sg_ptr = sg_dma_address(sl);
- cmdp->u.raw.sg_lst[i].sg_len = sg_dma_len(sl);
- }
- }
-
-#ifdef GDTH_STATISTICS
- if (max_sg < sgcnt) {
- max_sg = sgcnt;
- TRACE3(("GDT: max_sg = %d\n",sgcnt));
- }
-#endif
-
- }
- if (mode64) {
- TRACE(("raw cmd: addr. %x sganz %x sgptr0 %x sglen0 %x\n",
- cmdp->u.raw64.sdata,cmdp->u.raw64.sg_ranz,
- cmdp->u.raw64.sg_lst[0].sg_ptr,
- cmdp->u.raw64.sg_lst[0].sg_len));
- /* evaluate command size */
- ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw64.sg_lst) +
- (u16)cmdp->u.raw64.sg_ranz * sizeof(gdth_sg64_str);
- } else {
- TRACE(("raw cmd: addr. %x sganz %x sgptr0 %x sglen0 %x\n",
- cmdp->u.raw.sdata,cmdp->u.raw.sg_ranz,
- cmdp->u.raw.sg_lst[0].sg_ptr,
- cmdp->u.raw.sg_lst[0].sg_len));
- /* evaluate command size */
- ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw.sg_lst) +
- (u16)cmdp->u.raw.sg_ranz * sizeof(gdth_sg_str);
- }
- }
- /* check space */
- if (ha->cmd_len & 3)
- ha->cmd_len += (4 - (ha->cmd_len & 3));
-
- if (ha->cmd_cnt > 0) {
- if ((ha->cmd_offs_dpmem + ha->cmd_len + DPMEM_COMMAND_OFFSET) >
- ha->ic_all_size) {
- TRACE2(("gdth_fill_raw() DPMEM overflow\n"));
- ha->cmd_tab[cmd_index-2].cmnd = UNUSED_CMND;
- return 0;
- }
- }
-
- /* copy command */
- gdth_copy_command(ha);
- return cmd_index;
-}
-
-static int gdth_special_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp)
-{
- register gdth_cmd_str *cmdp;
- struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp);
- int cmd_index;
-
- cmdp= ha->pccb;
- TRACE2(("gdth_special_cmd(): "));
-
- *cmdp = *cmndinfo->internal_cmd_str;
- cmdp->RequestBuffer = scp;
-
- /* search free command index */
- if (!(cmd_index=gdth_get_cmd_index(ha))) {
- TRACE(("GDT: No free command index found\n"));
- return 0;
- }
-
- /* if it's the first command, set command semaphore */
- if (ha->cmd_cnt == 0)
- gdth_set_sema0(ha);
-
- /* evaluate command size, check space */
- if (cmdp->OpCode == GDT_IOCTL) {
- TRACE2(("IOCTL\n"));
- ha->cmd_len =
- GDTOFFSOF(gdth_cmd_str,u.ioctl.p_param) + sizeof(u64);
- } else if (cmdp->Service == CACHESERVICE) {
- TRACE2(("cache command %d\n",cmdp->OpCode));
- if (ha->cache_feat & GDT_64BIT)
- ha->cmd_len =
- GDTOFFSOF(gdth_cmd_str,u.cache64.sg_lst) + sizeof(gdth_sg64_str);
- else
- ha->cmd_len =
- GDTOFFSOF(gdth_cmd_str,u.cache.sg_lst) + sizeof(gdth_sg_str);
- } else if (cmdp->Service == SCSIRAWSERVICE) {
- TRACE2(("raw command %d\n",cmdp->OpCode));
- if (ha->raw_feat & GDT_64BIT)
- ha->cmd_len =
- GDTOFFSOF(gdth_cmd_str,u.raw64.sg_lst) + sizeof(gdth_sg64_str);
- else
- ha->cmd_len =
- GDTOFFSOF(gdth_cmd_str,u.raw.sg_lst) + sizeof(gdth_sg_str);
- }
-
- if (ha->cmd_len & 3)
- ha->cmd_len += (4 - (ha->cmd_len & 3));
-
- if (ha->cmd_cnt > 0) {
- if ((ha->cmd_offs_dpmem + ha->cmd_len + DPMEM_COMMAND_OFFSET) >
- ha->ic_all_size) {
- TRACE2(("gdth_special_cmd() DPMEM overflow\n"));
- ha->cmd_tab[cmd_index-2].cmnd = UNUSED_CMND;
- return 0;
- }
- }
-
- /* copy command */
- gdth_copy_command(ha);
- return cmd_index;
-}
-
-
-/* Controller event handling functions */
-static gdth_evt_str *gdth_store_event(gdth_ha_str *ha, u16 source,
- u16 idx, gdth_evt_data *evt)
-{
- gdth_evt_str *e;
-
- /* no GDTH_LOCK_HA() ! */
- TRACE2(("gdth_store_event() source %d idx %d\n", source, idx));
- if (source == 0) /* no source -> no event */
- return NULL;
-
- if (ebuffer[elastidx].event_source == source &&
- ebuffer[elastidx].event_idx == idx &&
- ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 &&
- !memcmp((char *)&ebuffer[elastidx].event_data.eu,
- (char *)&evt->eu, evt->size)) ||
- (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 &&
- !strcmp((char *)&ebuffer[elastidx].event_data.event_string,
- (char *)&evt->event_string)))) {
- e = &ebuffer[elastidx];
- e->last_stamp = (u32)ktime_get_real_seconds();
- ++e->same_count;
- } else {
- if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */
- ++elastidx;
- if (elastidx == MAX_EVENTS)
- elastidx = 0;
- if (elastidx == eoldidx) { /* reached mark ? */
- ++eoldidx;
- if (eoldidx == MAX_EVENTS)
- eoldidx = 0;
- }
- }
- e = &ebuffer[elastidx];
- e->event_source = source;
- e->event_idx = idx;
- e->first_stamp = e->last_stamp = (u32)ktime_get_real_seconds();
- e->same_count = 1;
- e->event_data = *evt;
- e->application = 0;
- }
- return e;
-}
-
-static int gdth_read_event(gdth_ha_str *ha, int handle, gdth_evt_str *estr)
-{
- gdth_evt_str *e;
- int eindex;
- unsigned long flags;
-
- TRACE2(("gdth_read_event() handle %d\n", handle));
- spin_lock_irqsave(&ha->smp_lock, flags);
- if (handle == -1)
- eindex = eoldidx;
- else
- eindex = handle;
- estr->event_source = 0;
-
- if (eindex < 0 || eindex >= MAX_EVENTS) {
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- return eindex;
- }
- e = &ebuffer[eindex];
- if (e->event_source != 0) {
- if (eindex != elastidx) {
- if (++eindex == MAX_EVENTS)
- eindex = 0;
- } else {
- eindex = -1;
- }
- memcpy(estr, e, sizeof(gdth_evt_str));
- }
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- return eindex;
-}
-
-static void gdth_readapp_event(gdth_ha_str *ha,
- u8 application, gdth_evt_str *estr)
-{
- gdth_evt_str *e;
- int eindex;
- unsigned long flags;
- u8 found = FALSE;
-
- TRACE2(("gdth_readapp_event() app. %d\n", application));
- spin_lock_irqsave(&ha->smp_lock, flags);
- eindex = eoldidx;
- for (;;) {
- e = &ebuffer[eindex];
- if (e->event_source == 0)
- break;
- if ((e->application & application) == 0) {
- e->application |= application;
- found = TRUE;
- break;
- }
- if (eindex == elastidx)
- break;
- if (++eindex == MAX_EVENTS)
- eindex = 0;
- }
- if (found)
- memcpy(estr, e, sizeof(gdth_evt_str));
- else
- estr->event_source = 0;
- spin_unlock_irqrestore(&ha->smp_lock, flags);
-}
-
-static void gdth_clear_events(void)
-{
- TRACE(("gdth_clear_events()"));
-
- eoldidx = elastidx = 0;
- ebuffer[0].event_source = 0;
-}
-
-
-/* SCSI interface functions */
-
-static irqreturn_t __gdth_interrupt(gdth_ha_str *ha,
- int gdth_from_wait, int* pIndex)
-{
- gdt6m_dpram_str __iomem *dp6m_ptr = NULL;
- gdt6_dpram_str __iomem *dp6_ptr;
- struct scsi_cmnd *scp;
- int rval, i;
- u8 IStatus;
- u16 Service;
- unsigned long flags = 0;
-
- TRACE(("gdth_interrupt() IRQ %d\n", ha->irq));
-
- /* if polling and not from gdth_wait() -> return */
- if (gdth_polling) {
- if (!gdth_from_wait) {
- return IRQ_HANDLED;
- }
- }
-
- if (!gdth_polling)
- spin_lock_irqsave(&ha->smp_lock, flags);
-
- /* search controller */
- IStatus = gdth_get_status(ha);
- if (IStatus == 0) {
- /* spurious interrupt */
- if (!gdth_polling)
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- return IRQ_HANDLED;
- }
-
-#ifdef GDTH_STATISTICS
- ++act_ints;
-#endif
-
- if (ha->type == GDT_PCI) {
- dp6_ptr = ha->brd;
- if (IStatus & 0x80) { /* error flag */
- IStatus &= ~0x80;
- ha->status = readw(&dp6_ptr->u.ic.Status);
- TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,ha->status));
- } else /* no error */
- ha->status = S_OK;
- ha->info = readl(&dp6_ptr->u.ic.Info[0]);
- ha->service = readw(&dp6_ptr->u.ic.Service);
- ha->info2 = readl(&dp6_ptr->u.ic.Info[1]);
-
- writeb(0xff, &dp6_ptr->io.irqdel); /* acknowledge interrupt */
- writeb(0, &dp6_ptr->u.ic.Cmd_Index);/* reset command index */
- writeb(0, &dp6_ptr->io.Sema1); /* reset status semaphore */
- } else if (ha->type == GDT_PCINEW) {
- if (IStatus & 0x80) { /* error flag */
- IStatus &= ~0x80;
- ha->status = inw(PTR2USHORT(&ha->plx->status));
- TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,ha->status));
- } else
- ha->status = S_OK;
- ha->info = inl(PTR2USHORT(&ha->plx->info[0]));
- ha->service = inw(PTR2USHORT(&ha->plx->service));
- ha->info2 = inl(PTR2USHORT(&ha->plx->info[1]));
-
- outb(0xff, PTR2USHORT(&ha->plx->edoor_reg));
- outb(0x00, PTR2USHORT(&ha->plx->sema1_reg));
- } else if (ha->type == GDT_PCIMPR) {
- dp6m_ptr = ha->brd;
- if (IStatus & 0x80) { /* error flag */
- IStatus &= ~0x80;
- ha->status = readw(&dp6m_ptr->i960r.status);
- TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,ha->status));
- } else /* no error */
- ha->status = S_OK;
-
- ha->info = readl(&dp6m_ptr->i960r.info[0]);
- ha->service = readw(&dp6m_ptr->i960r.service);
- ha->info2 = readl(&dp6m_ptr->i960r.info[1]);
-
- /* event string */
- if (IStatus == ASYNCINDEX) {
- if (ha->service != SCREENSERVICE &&
- (ha->fw_vers & 0xff) >= 0x1a) {
- ha->dvr.severity = readb
- (&((gdt6m_dpram_str __iomem *)ha->brd)->i960r.severity);
- for (i = 0; i < 256; ++i) {
- ha->dvr.event_string[i] = readb
- (&((gdt6m_dpram_str __iomem *)ha->brd)->i960r.evt_str[i]);
- if (ha->dvr.event_string[i] == 0)
- break;
- }
- }
- }
- writeb(0xff, &dp6m_ptr->i960r.edoor_reg);
- writeb(0, &dp6m_ptr->i960r.sema1_reg);
- } else {
- TRACE2(("gdth_interrupt() unknown controller type\n"));
- if (!gdth_polling)
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- return IRQ_HANDLED;
- }
-
- TRACE(("gdth_interrupt() index %d stat %d info %d\n",
- IStatus,ha->status,ha->info));
-
- if (gdth_from_wait) {
- *pIndex = (int)IStatus;
- }
-
- if (IStatus == ASYNCINDEX) {
- TRACE2(("gdth_interrupt() async. event\n"));
- gdth_async_event(ha);
- if (!gdth_polling)
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- gdth_next(ha);
- return IRQ_HANDLED;
- }
-
- if (IStatus == SPEZINDEX) {
- TRACE2(("Service unknown or not initialized !\n"));
- ha->dvr.size = sizeof(ha->dvr.eu.driver);
- ha->dvr.eu.driver.ionode = ha->hanum;
- gdth_store_event(ha, ES_DRIVER, 4, &ha->dvr);
- if (!gdth_polling)
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- return IRQ_HANDLED;
- }
- scp = ha->cmd_tab[IStatus-2].cmnd;
- Service = ha->cmd_tab[IStatus-2].service;
- ha->cmd_tab[IStatus-2].cmnd = UNUSED_CMND;
- if (scp == UNUSED_CMND) {
- TRACE2(("gdth_interrupt() index to unused command (%d)\n",IStatus));
- ha->dvr.size = sizeof(ha->dvr.eu.driver);
- ha->dvr.eu.driver.ionode = ha->hanum;
- ha->dvr.eu.driver.index = IStatus;
- gdth_store_event(ha, ES_DRIVER, 1, &ha->dvr);
- if (!gdth_polling)
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- return IRQ_HANDLED;
- }
- if (scp == INTERNAL_CMND) {
- TRACE(("gdth_interrupt() answer to internal command\n"));
- if (!gdth_polling)
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- return IRQ_HANDLED;
- }
-
- TRACE(("gdth_interrupt() sync. status\n"));
- rval = gdth_sync_event(ha,Service,IStatus,scp);
- if (!gdth_polling)
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- if (rval == 2) {
- gdth_putq(ha, scp, gdth_cmnd_priv(scp)->priority);
- } else if (rval == 1) {
- gdth_scsi_done(scp);
- }
-
- gdth_next(ha);
- return IRQ_HANDLED;
-}
-
-static irqreturn_t gdth_interrupt(int irq, void *dev_id)
-{
- gdth_ha_str *ha = dev_id;
-
- return __gdth_interrupt(ha, false, NULL);
-}
-
-static int gdth_sync_event(gdth_ha_str *ha, int service, u8 index,
- struct scsi_cmnd *scp)
-{
- gdth_msg_str *msg;
- gdth_cmd_str *cmdp;
- u8 b, t;
- struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp);
-
- cmdp = ha->pccb;
- TRACE(("gdth_sync_event() serv %d status %d\n",
- service,ha->status));
-
- if (service == SCREENSERVICE) {
- msg = ha->pmsg;
- TRACE(("len: %d, answer: %d, ext: %d, alen: %d\n",
- msg->msg_len,msg->msg_answer,msg->msg_ext,msg->msg_alen));
- if (msg->msg_len > MSGLEN+1)
- msg->msg_len = MSGLEN+1;
- if (msg->msg_len)
- if (!(msg->msg_answer && msg->msg_ext)) {
- msg->msg_text[msg->msg_len] = '\0';
- printk("%s",msg->msg_text);
- }
-
- if (msg->msg_ext && !msg->msg_answer) {
- while (gdth_test_busy(ha))
- gdth_delay(0);
- cmdp->Service = SCREENSERVICE;
- cmdp->RequestBuffer = SCREEN_CMND;
- gdth_get_cmd_index(ha);
- gdth_set_sema0(ha);
- cmdp->OpCode = GDT_READ;
- cmdp->BoardNode = LOCALBOARD;
- cmdp->u.screen.reserved = 0;
- cmdp->u.screen.su.msg.msg_handle= msg->msg_handle;
- cmdp->u.screen.su.msg.msg_addr = ha->msg_phys;
- ha->cmd_offs_dpmem = 0;
- ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.su.msg.msg_addr)
- + sizeof(u64);
- ha->cmd_cnt = 0;
- gdth_copy_command(ha);
- gdth_release_event(ha);
- return 0;
- }
-
- if (msg->msg_answer && msg->msg_alen) {
- /* default answers (getchar() not possible) */
- if (msg->msg_alen == 1) {
- msg->msg_alen = 0;
- msg->msg_len = 1;
- msg->msg_text[0] = 0;
- } else {
- msg->msg_alen -= 2;
- msg->msg_len = 2;
- msg->msg_text[0] = 1;
- msg->msg_text[1] = 0;
- }
- msg->msg_ext = 0;
- msg->msg_answer = 0;
- while (gdth_test_busy(ha))
- gdth_delay(0);
- cmdp->Service = SCREENSERVICE;
- cmdp->RequestBuffer = SCREEN_CMND;
- gdth_get_cmd_index(ha);
- gdth_set_sema0(ha);
- cmdp->OpCode = GDT_WRITE;
- cmdp->BoardNode = LOCALBOARD;
- cmdp->u.screen.reserved = 0;
- cmdp->u.screen.su.msg.msg_handle= msg->msg_handle;
- cmdp->u.screen.su.msg.msg_addr = ha->msg_phys;
- ha->cmd_offs_dpmem = 0;
- ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.su.msg.msg_addr)
- + sizeof(u64);
- ha->cmd_cnt = 0;
- gdth_copy_command(ha);
- gdth_release_event(ha);
- return 0;
- }
- printk("\n");
-
- } else {
- b = scp->device->channel;
- t = scp->device->id;
- if (cmndinfo->OpCode == -1 && b != ha->virt_bus) {
- ha->raw[BUS_L2P(ha,b)].io_cnt[t]--;
- }
- /* cache or raw service */
- if (ha->status == S_BSY) {
- TRACE2(("Controller busy -> retry !\n"));
- if (cmndinfo->OpCode == GDT_MOUNT)
- cmndinfo->OpCode = GDT_CLUST_INFO;
- /* retry */
- return 2;
- }
- if (scsi_bufflen(scp))
- dma_unmap_sg(&ha->pdev->dev, scsi_sglist(scp), scsi_sg_count(scp),
- cmndinfo->dma_dir);
-
- if (cmndinfo->sense_paddr)
- dma_unmap_page(&ha->pdev->dev, cmndinfo->sense_paddr, 16,
- DMA_FROM_DEVICE);
-
- if (ha->status == S_OK) {
- cmndinfo->status = S_OK;
- cmndinfo->info = ha->info;
- if (cmndinfo->OpCode != -1) {
- TRACE2(("gdth_sync_event(): special cmd 0x%x OK\n",
- cmndinfo->OpCode));
- /* special commands GDT_CLUST_INFO/GDT_MOUNT ? */
- if (cmndinfo->OpCode == GDT_CLUST_INFO) {
- ha->hdr[t].cluster_type = (u8)ha->info;
- if (!(ha->hdr[t].cluster_type &
- CLUSTER_MOUNTED)) {
- /* NOT MOUNTED -> MOUNT */
- cmndinfo->OpCode = GDT_MOUNT;
- if (ha->hdr[t].cluster_type &
- CLUSTER_RESERVED) {
- /* cluster drive RESERVED (on the other node) */
- cmndinfo->phase = -2; /* reservation conflict */
- }
- } else {
- cmndinfo->OpCode = -1;
- }
- } else {
- if (cmndinfo->OpCode == GDT_MOUNT) {
- ha->hdr[t].cluster_type |= CLUSTER_MOUNTED;
- ha->hdr[t].media_changed = TRUE;
- } else if (cmndinfo->OpCode == GDT_UNMOUNT) {
- ha->hdr[t].cluster_type &= ~CLUSTER_MOUNTED;
- ha->hdr[t].media_changed = TRUE;
- }
- cmndinfo->OpCode = -1;
- }
- /* retry */
- cmndinfo->priority = HIGH_PRI;
- return 2;
- } else {
- /* RESERVE/RELEASE ? */
- if (scp->cmnd[0] == RESERVE) {
- ha->hdr[t].cluster_type |= CLUSTER_RESERVED;
- } else if (scp->cmnd[0] == RELEASE) {
- ha->hdr[t].cluster_type &= ~CLUSTER_RESERVED;
- }
- scp->result = DID_OK << 16;
- scp->sense_buffer[0] = 0;
- }
- } else {
- cmndinfo->status = ha->status;
- cmndinfo->info = ha->info;
-
- if (cmndinfo->OpCode != -1) {
- TRACE2(("gdth_sync_event(): special cmd 0x%x error 0x%x\n",
- cmndinfo->OpCode, ha->status));
- if (cmndinfo->OpCode == GDT_SCAN_START ||
- cmndinfo->OpCode == GDT_SCAN_END) {
- cmndinfo->OpCode = -1;
- /* retry */
- cmndinfo->priority = HIGH_PRI;
- return 2;
- }
- memset((char*)scp->sense_buffer,0,16);
- scp->sense_buffer[0] = 0x70;
- scp->sense_buffer[2] = NOT_READY;
- scp->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
- } else if (service == CACHESERVICE) {
- if (ha->status == S_CACHE_UNKNOWN &&
- (ha->hdr[t].cluster_type &
- CLUSTER_RESERVE_STATE) == CLUSTER_RESERVE_STATE) {
- /* bus reset -> force GDT_CLUST_INFO */
- ha->hdr[t].cluster_type &= ~CLUSTER_RESERVED;
- }
- memset((char*)scp->sense_buffer,0,16);
- if (ha->status == (u16)S_CACHE_RESERV) {
- scp->result = (DID_OK << 16) | (RESERVATION_CONFLICT << 1);
- } else {
- scp->sense_buffer[0] = 0x70;
- scp->sense_buffer[2] = NOT_READY;
- scp->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
- }
- if (!cmndinfo->internal_command) {
- ha->dvr.size = sizeof(ha->dvr.eu.sync);
- ha->dvr.eu.sync.ionode = ha->hanum;
- ha->dvr.eu.sync.service = service;
- ha->dvr.eu.sync.status = ha->status;
- ha->dvr.eu.sync.info = ha->info;
- ha->dvr.eu.sync.hostdrive = t;
- if (ha->status >= 0x8000)
- gdth_store_event(ha, ES_SYNC, 0, &ha->dvr);
- else
- gdth_store_event(ha, ES_SYNC, service, &ha->dvr);
- }
- } else {
- /* sense buffer filled from controller firmware (DMA) */
- if (ha->status != S_RAW_SCSI || ha->info >= 0x100) {
- scp->result = DID_BAD_TARGET << 16;
- } else {
- scp->result = (DID_OK << 16) | ha->info;
- }
- }
- }
- if (!cmndinfo->wait_for_completion)
- cmndinfo->wait_for_completion++;
- else
- return 1;
- }
-
- return 0;
-}
-
-static char *async_cache_tab[] = {
-/* 0*/ "\011\000\002\002\002\004\002\006\004"
- "GDT HA %u, service %u, async. status %u/%lu unknown",
-/* 1*/ "\011\000\002\002\002\004\002\006\004"
- "GDT HA %u, service %u, async. status %u/%lu unknown",
-/* 2*/ "\005\000\002\006\004"
- "GDT HA %u, Host Drive %lu not ready",
-/* 3*/ "\005\000\002\006\004"
- "GDT HA %u, Host Drive %lu: REASSIGN not successful and/or data error on reassigned blocks. Drive may crash in the future and should be replaced",
-/* 4*/ "\005\000\002\006\004"
- "GDT HA %u, mirror update on Host Drive %lu failed",
-/* 5*/ "\005\000\002\006\004"
- "GDT HA %u, Mirror Drive %lu failed",
-/* 6*/ "\005\000\002\006\004"
- "GDT HA %u, Mirror Drive %lu: REASSIGN not successful and/or data error on reassigned blocks. Drive may crash in the future and should be replaced",
-/* 7*/ "\005\000\002\006\004"
- "GDT HA %u, Host Drive %lu write protected",
-/* 8*/ "\005\000\002\006\004"
- "GDT HA %u, media changed in Host Drive %lu",
-/* 9*/ "\005\000\002\006\004"
- "GDT HA %u, Host Drive %lu is offline",
-/*10*/ "\005\000\002\006\004"
- "GDT HA %u, media change of Mirror Drive %lu",
-/*11*/ "\005\000\002\006\004"
- "GDT HA %u, Mirror Drive %lu is write protected",
-/*12*/ "\005\000\002\006\004"
- "GDT HA %u, general error on Host Drive %lu. Please check the devices of this drive!",
-/*13*/ "\007\000\002\006\002\010\002"
- "GDT HA %u, Array Drive %u: Cache Drive %u failed",
-/*14*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: FAIL state entered",
-/*15*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: error",
-/*16*/ "\007\000\002\006\002\010\002"
- "GDT HA %u, Array Drive %u: failed drive replaced by Cache Drive %u",
-/*17*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: parity build failed",
-/*18*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: drive rebuild failed",
-/*19*/ "\005\000\002\010\002"
- "GDT HA %u, Test of Hot Fix %u failed",
-/*20*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: drive build finished successfully",
-/*21*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: drive rebuild finished successfully",
-/*22*/ "\007\000\002\006\002\010\002"
- "GDT HA %u, Array Drive %u: Hot Fix %u activated",
-/*23*/ "\005\000\002\006\002"
- "GDT HA %u, Host Drive %u: processing of i/o aborted due to serious drive error",
-/*24*/ "\005\000\002\010\002"
- "GDT HA %u, mirror update on Cache Drive %u completed",
-/*25*/ "\005\000\002\010\002"
- "GDT HA %u, mirror update on Cache Drive %lu failed",
-/*26*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: drive rebuild started",
-/*27*/ "\005\000\002\012\001"
- "GDT HA %u, Fault bus %u: SHELF OK detected",
-/*28*/ "\005\000\002\012\001"
- "GDT HA %u, Fault bus %u: SHELF not OK detected",
-/*29*/ "\007\000\002\012\001\013\001"
- "GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug started",
-/*30*/ "\007\000\002\012\001\013\001"
- "GDT HA %u, Fault bus %u, ID %u: new disk detected",
-/*31*/ "\007\000\002\012\001\013\001"
- "GDT HA %u, Fault bus %u, ID %u: old disk detected",
-/*32*/ "\007\000\002\012\001\013\001"
- "GDT HA %u, Fault bus %u, ID %u: plugging an active disk is invalid",
-/*33*/ "\007\000\002\012\001\013\001"
- "GDT HA %u, Fault bus %u, ID %u: invalid device detected",
-/*34*/ "\011\000\002\012\001\013\001\006\004"
- "GDT HA %u, Fault bus %u, ID %u: insufficient disk capacity (%lu MB required)",
-/*35*/ "\007\000\002\012\001\013\001"
- "GDT HA %u, Fault bus %u, ID %u: disk write protected",
-/*36*/ "\007\000\002\012\001\013\001"
- "GDT HA %u, Fault bus %u, ID %u: disk not available",
-/*37*/ "\007\000\002\012\001\006\004"
- "GDT HA %u, Fault bus %u: swap detected (%lu)",
-/*38*/ "\007\000\002\012\001\013\001"
- "GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug finished successfully",
-/*39*/ "\007\000\002\012\001\013\001"
- "GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug aborted due to user Hot Plug",
-/*40*/ "\007\000\002\012\001\013\001"
- "GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug aborted",
-/*41*/ "\007\000\002\012\001\013\001"
- "GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug for Hot Fix started",
-/*42*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: drive build started",
-/*43*/ "\003\000\002"
- "GDT HA %u, DRAM parity error detected",
-/*44*/ "\005\000\002\006\002"
- "GDT HA %u, Mirror Drive %u: update started",
-/*45*/ "\007\000\002\006\002\010\002"
- "GDT HA %u, Mirror Drive %u: Hot Fix %u activated",
-/*46*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: no matching Pool Hot Fix Drive available",
-/*47*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: Pool Hot Fix Drive available",
-/*48*/ "\005\000\002\006\002"
- "GDT HA %u, Mirror Drive %u: no matching Pool Hot Fix Drive available",
-/*49*/ "\005\000\002\006\002"
- "GDT HA %u, Mirror Drive %u: Pool Hot Fix Drive available",
-/*50*/ "\007\000\002\012\001\013\001"
- "GDT HA %u, SCSI bus %u, ID %u: IGNORE_WIDE_RESIDUE message received",
-/*51*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: expand started",
-/*52*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: expand finished successfully",
-/*53*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: expand failed",
-/*54*/ "\003\000\002"
- "GDT HA %u, CPU temperature critical",
-/*55*/ "\003\000\002"
- "GDT HA %u, CPU temperature OK",
-/*56*/ "\005\000\002\006\004"
- "GDT HA %u, Host drive %lu created",
-/*57*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: expand restarted",
-/*58*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: expand stopped",
-/*59*/ "\005\000\002\010\002"
- "GDT HA %u, Mirror Drive %u: drive build quited",
-/*60*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: parity build quited",
-/*61*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: drive rebuild quited",
-/*62*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: parity verify started",
-/*63*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: parity verify done",
-/*64*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: parity verify failed",
-/*65*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: parity error detected",
-/*66*/ "\005\000\002\006\002"
- "GDT HA %u, Array Drive %u: parity verify quited",
-/*67*/ "\005\000\002\006\002"
- "GDT HA %u, Host Drive %u reserved",
-/*68*/ "\005\000\002\006\002"
- "GDT HA %u, Host Drive %u mounted and released",
-/*69*/ "\005\000\002\006\002"
- "GDT HA %u, Host Drive %u released",
-/*70*/ "\003\000\002"
- "GDT HA %u, DRAM error detected and corrected with ECC",
-/*71*/ "\003\000\002"
- "GDT HA %u, Uncorrectable DRAM error detected with ECC",
-/*72*/ "\011\000\002\012\001\013\001\014\001"
- "GDT HA %u, SCSI bus %u, ID %u, LUN %u: reassigning block",
-/*73*/ "\005\000\002\006\002"
- "GDT HA %u, Host drive %u resetted locally",
-/*74*/ "\005\000\002\006\002"
- "GDT HA %u, Host drive %u resetted remotely",
-/*75*/ "\003\000\002"
- "GDT HA %u, async. status 75 unknown",
-};
-
-
-static int gdth_async_event(gdth_ha_str *ha)
-{
- gdth_cmd_str *cmdp;
-
- cmdp= ha->pccb;
- TRACE2(("gdth_async_event() ha %d serv %d\n",
- ha->hanum, ha->service));
-
- if (ha->service == SCREENSERVICE) {
- if (ha->status == MSG_REQUEST) {
- while (gdth_test_busy(ha))
- gdth_delay(0);
- cmdp->Service = SCREENSERVICE;
- cmdp->RequestBuffer = SCREEN_CMND;
- gdth_set_sema0(ha);
- cmdp->OpCode = GDT_READ;
- cmdp->BoardNode = LOCALBOARD;
- cmdp->u.screen.reserved = 0;
- cmdp->u.screen.su.msg.msg_handle= MSG_INV_HANDLE;
- cmdp->u.screen.su.msg.msg_addr = ha->msg_phys;
- ha->cmd_offs_dpmem = 0;
- ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.su.msg.msg_addr)
- + sizeof(u64);
- ha->cmd_cnt = 0;
- gdth_copy_command(ha);
- printk("[PCI %d/%d] ",(u16)(ha->brd_phys>>8),
- (u16)((ha->brd_phys>>3)&0x1f));
- gdth_release_event(ha);
- }
-
- } else {
- if (ha->type == GDT_PCIMPR &&
- (ha->fw_vers & 0xff) >= 0x1a) {
- ha->dvr.size = 0;
- ha->dvr.eu.async.ionode = ha->hanum;
- ha->dvr.eu.async.status = ha->status;
- /* severity and event_string already set! */
- } else {
- ha->dvr.size = sizeof(ha->dvr.eu.async);
- ha->dvr.eu.async.ionode = ha->hanum;
- ha->dvr.eu.async.service = ha->service;
- ha->dvr.eu.async.status = ha->status;
- ha->dvr.eu.async.info = ha->info;
- *(u32 *)ha->dvr.eu.async.scsi_coord = ha->info2;
- }
- gdth_store_event( ha, ES_ASYNC, ha->service, &ha->dvr );
- gdth_log_event( &ha->dvr, NULL );
-
- /* new host drive from expand? */
- if (ha->service == CACHESERVICE && ha->status == 56) {
- TRACE2(("gdth_async_event(): new host drive %d created\n",
- (u16)ha->info));
- /* gdth_analyse_hdrive(hanum, (u16)ha->info); */
- }
- }
- return 1;
-}
-
-static void gdth_log_event(gdth_evt_data *dvr, char *buffer)
-{
- gdth_stackframe stack;
- char *f = NULL;
- int i,j;
-
- TRACE2(("gdth_log_event()\n"));
- if (dvr->size == 0) {
- if (buffer == NULL) {
- printk("Adapter %d: %s\n",dvr->eu.async.ionode,dvr->event_string);
- } else {
- sprintf(buffer,"Adapter %d: %s\n",
- dvr->eu.async.ionode,dvr->event_string);
- }
- } else if (dvr->eu.async.service == CACHESERVICE &&
- INDEX_OK(dvr->eu.async.status, async_cache_tab)) {
- TRACE2(("GDT: Async. event cache service, event no.: %d\n",
- dvr->eu.async.status));
-
- f = async_cache_tab[dvr->eu.async.status];
-
- /* i: parameter to push, j: stack element to fill */
- for (j=0,i=1; i < f[0]; i+=2) {
- switch (f[i+1]) {
- case 4:
- stack.b[j++] = *(u32*)&dvr->eu.stream[(int)f[i]];
- break;
- case 2:
- stack.b[j++] = *(u16*)&dvr->eu.stream[(int)f[i]];
- break;
- case 1:
- stack.b[j++] = *(u8*)&dvr->eu.stream[(int)f[i]];
- break;
- default:
- break;
- }
- }
-
- if (buffer == NULL) {
- printk(&f[(int)f[0]],stack);
- printk("\n");
- } else {
- sprintf(buffer,&f[(int)f[0]],stack);
- }
-
- } else {
- if (buffer == NULL) {
- printk("GDT HA %u, Unknown async. event service %d event no. %d\n",
- dvr->eu.async.ionode,dvr->eu.async.service,dvr->eu.async.status);
- } else {
- sprintf(buffer,"GDT HA %u, Unknown async. event service %d event no. %d",
- dvr->eu.async.ionode,dvr->eu.async.service,dvr->eu.async.status);
- }
- }
-}
-
-#ifdef GDTH_STATISTICS
-static u8 gdth_timer_running;
-
-static void gdth_timeout(struct timer_list *unused)
-{
- u32 i;
- struct scsi_cmnd *nscp;
- gdth_ha_str *ha;
- unsigned long flags;
-
- if(unlikely(list_empty(&gdth_instances))) {
- gdth_timer_running = 0;
- return;
- }
-
- ha = list_first_entry(&gdth_instances, gdth_ha_str, list);
- spin_lock_irqsave(&ha->smp_lock, flags);
-
- for (act_stats=0,i=0; i<GDTH_MAXCMDS; ++i)
- if (ha->cmd_tab[i].cmnd != UNUSED_CMND)
- ++act_stats;
-
- for (act_rq=0,
- nscp=ha->req_first; nscp; nscp=(struct scsi_cmnd*)nscp->SCp.ptr)
- ++act_rq;
-
- TRACE2(("gdth_to(): ints %d, ios %d, act_stats %d, act_rq %d\n",
- act_ints, act_ios, act_stats, act_rq));
- act_ints = act_ios = 0;
-
- gdth_timer.expires = jiffies + 30 * HZ;
- add_timer(&gdth_timer);
- spin_unlock_irqrestore(&ha->smp_lock, flags);
-}
-
-static void gdth_timer_init(void)
-{
- if (gdth_timer_running)
- return;
- gdth_timer_running = 1;
- TRACE2(("gdth_detect(): Initializing timer !\n"));
- gdth_timer.expires = jiffies + HZ;
- add_timer(&gdth_timer);
-}
-#else
-static inline void gdth_timer_init(void)
-{
-}
-#endif
-
-
-static const char *gdth_ctr_name(gdth_ha_str *ha)
-{
- TRACE2(("gdth_ctr_name()\n"));
-
- if (ha->type == GDT_PCI) {
- switch (ha->pdev->device) {
- case PCI_DEVICE_ID_VORTEX_GDT60x0:
- return("GDT6000/6020/6050");
- case PCI_DEVICE_ID_VORTEX_GDT6000B:
- return("GDT6000B/6010");
- }
- }
- /* new controllers (GDT_PCINEW, GDT_PCIMPR, ..) use board_info IOCTL! */
-
- return("");
-}
-
-static const char *gdth_info(struct Scsi_Host *shp)
-{
- gdth_ha_str *ha = shost_priv(shp);
-
- TRACE2(("gdth_info()\n"));
- return ((const char *)ha->binfo.type_string);
-}
-
-static enum blk_eh_timer_return gdth_timed_out(struct scsi_cmnd *scp)
-{
- gdth_ha_str *ha = shost_priv(scp->device->host);
- struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp);
- u8 b, t;
- unsigned long flags;
- enum blk_eh_timer_return retval = BLK_EH_DONE;
-
- TRACE(("%s() cmd 0x%x\n", scp->cmnd[0], __func__));
- b = scp->device->channel;
- t = scp->device->id;
-
- /*
- * We don't really honor the command timeout, but we try to
- * honor 6 times of the actual command timeout! So reset the
- * timer if this is less than 6th timeout on this command!
- */
- if (++cmndinfo->timeout_count < 6)
- retval = BLK_EH_RESET_TIMER;
-
- /* Reset the timeout if it is locked IO */
- spin_lock_irqsave(&ha->smp_lock, flags);
- if ((b != ha->virt_bus && ha->raw[BUS_L2P(ha, b)].lock) ||
- (b == ha->virt_bus && t < MAX_HDRIVES && ha->hdr[t].lock)) {
- TRACE2(("%s(): locked IO, reset timeout\n", __func__));
- retval = BLK_EH_RESET_TIMER;
- }
- spin_unlock_irqrestore(&ha->smp_lock, flags);
-
- return retval;
-}
-
-
-static int gdth_eh_bus_reset(struct scsi_cmnd *scp)
-{
- gdth_ha_str *ha = shost_priv(scp->device->host);
- int i;
- unsigned long flags;
- struct scsi_cmnd *cmnd;
- u8 b;
-
- TRACE2(("gdth_eh_bus_reset()\n"));
-
- b = scp->device->channel;
-
- /* clear command tab */
- spin_lock_irqsave(&ha->smp_lock, flags);
- for (i = 0; i < GDTH_MAXCMDS; ++i) {
- cmnd = ha->cmd_tab[i].cmnd;
- if (!SPECIAL_SCP(cmnd) && cmnd->device->channel == b)
- ha->cmd_tab[i].cmnd = UNUSED_CMND;
- }
- spin_unlock_irqrestore(&ha->smp_lock, flags);
-
- if (b == ha->virt_bus) {
- /* host drives */
- for (i = 0; i < MAX_HDRIVES; ++i) {
- if (ha->hdr[i].present) {
- spin_lock_irqsave(&ha->smp_lock, flags);
- gdth_polling = TRUE;
- while (gdth_test_busy(ha))
- gdth_delay(0);
- if (gdth_internal_cmd(ha, CACHESERVICE,
- GDT_CLUST_RESET, i, 0, 0))
- ha->hdr[i].cluster_type &= ~CLUSTER_RESERVED;
- gdth_polling = FALSE;
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- }
- }
- } else {
- /* raw devices */
- spin_lock_irqsave(&ha->smp_lock, flags);
- for (i = 0; i < MAXID; ++i)
- ha->raw[BUS_L2P(ha,b)].io_cnt[i] = 0;
- gdth_polling = TRUE;
- while (gdth_test_busy(ha))
- gdth_delay(0);
- gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_RESET_BUS,
- BUS_L2P(ha,b), 0, 0);
- gdth_polling = FALSE;
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- }
- return SUCCESS;
-}
-
-static int gdth_bios_param(struct scsi_device *sdev,struct block_device *bdev,sector_t cap,int *ip)
-{
- u8 b, t;
- gdth_ha_str *ha = shost_priv(sdev->host);
- struct scsi_device *sd;
- unsigned capacity;
-
- sd = sdev;
- capacity = cap;
- b = sd->channel;
- t = sd->id;
- TRACE2(("gdth_bios_param() ha %d bus %d target %d\n", ha->hanum, b, t));
-
- if (b != ha->virt_bus || ha->hdr[t].heads == 0) {
- /* raw device or host drive without mapping information */
- TRACE2(("Evaluate mapping\n"));
- gdth_eval_mapping(capacity,&ip[2],&ip[0],&ip[1]);
- } else {
- ip[0] = ha->hdr[t].heads;
- ip[1] = ha->hdr[t].secs;
- ip[2] = capacity / ip[0] / ip[1];
- }
-
- TRACE2(("gdth_bios_param(): %d heads, %d secs, %d cyls\n",
- ip[0],ip[1],ip[2]));
- return 0;
-}
-
-
-static int gdth_queuecommand_lck(struct scsi_cmnd *scp,
- void (*done)(struct scsi_cmnd *))
-{
- gdth_ha_str *ha = shost_priv(scp->device->host);
- struct gdth_cmndinfo *cmndinfo;
-
- TRACE(("gdth_queuecommand() cmd 0x%x\n", scp->cmnd[0]));
-
- cmndinfo = gdth_get_cmndinfo(ha);
- BUG_ON(!cmndinfo);
-
- scp->scsi_done = done;
- cmndinfo->timeout_count = 0;
- cmndinfo->priority = DEFAULT_PRI;
-
- return __gdth_queuecommand(ha, scp, cmndinfo);
-}
-
-static DEF_SCSI_QCMD(gdth_queuecommand)
-
-static int __gdth_queuecommand(gdth_ha_str *ha, struct scsi_cmnd *scp,
- struct gdth_cmndinfo *cmndinfo)
-{
- scp->host_scribble = (unsigned char *)cmndinfo;
- cmndinfo->wait_for_completion = 1;
- cmndinfo->phase = -1;
- cmndinfo->OpCode = -1;
-
-#ifdef GDTH_STATISTICS
- ++act_ios;
-#endif
-
- gdth_putq(ha, scp, cmndinfo->priority);
- gdth_next(ha);
- return 0;
-}
-
-
-static int gdth_open(struct inode *inode, struct file *filep)
-{
- gdth_ha_str *ha;
-
- mutex_lock(&gdth_mutex);
- list_for_each_entry(ha, &gdth_instances, list) {
- if (!ha->sdev)
- ha->sdev = scsi_get_host_dev(ha->shost);
- }
- mutex_unlock(&gdth_mutex);
-
- TRACE(("gdth_open()\n"));
- return 0;
-}
-
-static int gdth_close(struct inode *inode, struct file *filep)
-{
- TRACE(("gdth_close()\n"));
- return 0;
-}
-
-static int ioc_event(void __user *arg)
-{
- gdth_ioctl_event evt;
- gdth_ha_str *ha;
- unsigned long flags;
-
- if (copy_from_user(&evt, arg, sizeof(gdth_ioctl_event)))
- return -EFAULT;
- ha = gdth_find_ha(evt.ionode);
- if (!ha)
- return -EFAULT;
-
- if (evt.erase == 0xff) {
- if (evt.event.event_source == ES_TEST)
- evt.event.event_data.size=sizeof(evt.event.event_data.eu.test);
- else if (evt.event.event_source == ES_DRIVER)
- evt.event.event_data.size=sizeof(evt.event.event_data.eu.driver);
- else if (evt.event.event_source == ES_SYNC)
- evt.event.event_data.size=sizeof(evt.event.event_data.eu.sync);
- else
- evt.event.event_data.size=sizeof(evt.event.event_data.eu.async);
- spin_lock_irqsave(&ha->smp_lock, flags);
- gdth_store_event(ha, evt.event.event_source, evt.event.event_idx,
- &evt.event.event_data);
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- } else if (evt.erase == 0xfe) {
- gdth_clear_events();
- } else if (evt.erase == 0) {
- evt.handle = gdth_read_event(ha, evt.handle, &evt.event);
- } else {
- gdth_readapp_event(ha, evt.erase, &evt.event);
- }
- if (copy_to_user(arg, &evt, sizeof(gdth_ioctl_event)))
- return -EFAULT;
- return 0;
-}
-
-static int ioc_lockdrv(void __user *arg)
-{
- gdth_ioctl_lockdrv ldrv;
- u8 i, j;
- unsigned long flags;
- gdth_ha_str *ha;
-
- if (copy_from_user(&ldrv, arg, sizeof(gdth_ioctl_lockdrv)))
- return -EFAULT;
- ha = gdth_find_ha(ldrv.ionode);
- if (!ha)
- return -EFAULT;
-
- for (i = 0; i < ldrv.drive_cnt && i < MAX_HDRIVES; ++i) {
- j = ldrv.drives[i];
- if (j >= MAX_HDRIVES || !ha->hdr[j].present)
- continue;
- if (ldrv.lock) {
- spin_lock_irqsave(&ha->smp_lock, flags);
- ha->hdr[j].lock = 1;
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- gdth_wait_completion(ha, ha->bus_cnt, j);
- } else {
- spin_lock_irqsave(&ha->smp_lock, flags);
- ha->hdr[j].lock = 0;
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- gdth_next(ha);
- }
- }
- return 0;
-}
-
-static int ioc_resetdrv(void __user *arg, char *cmnd)
-{
- gdth_ioctl_reset res;
- gdth_cmd_str cmd;
- gdth_ha_str *ha;
- int rval;
-
- if (copy_from_user(&res, arg, sizeof(gdth_ioctl_reset)) ||
- res.number >= MAX_HDRIVES)
- return -EFAULT;
- ha = gdth_find_ha(res.ionode);
- if (!ha)
- return -EFAULT;
-
- if (!ha->hdr[res.number].present)
- return 0;
- memset(&cmd, 0, sizeof(gdth_cmd_str));
- cmd.Service = CACHESERVICE;
- cmd.OpCode = GDT_CLUST_RESET;
- if (ha->cache_feat & GDT_64BIT)
- cmd.u.cache64.DeviceNo = res.number;
- else
- cmd.u.cache.DeviceNo = res.number;
-
- rval = __gdth_execute(ha->sdev, &cmd, cmnd, 30, NULL);
- if (rval < 0)
- return rval;
- res.status = rval;
-
- if (copy_to_user(arg, &res, sizeof(gdth_ioctl_reset)))
- return -EFAULT;
- return 0;
-}
-
-static void gdth_ioc_cacheservice(gdth_ha_str *ha, gdth_ioctl_general *gen,
- u64 paddr)
-{
- if (ha->cache_feat & GDT_64BIT) {
- /* copy elements from 32-bit IOCTL structure */
- gen->command.u.cache64.BlockCnt = gen->command.u.cache.BlockCnt;
- gen->command.u.cache64.BlockNo = gen->command.u.cache.BlockNo;
- gen->command.u.cache64.DeviceNo = gen->command.u.cache.DeviceNo;
-
- if (ha->cache_feat & SCATTER_GATHER) {
- gen->command.u.cache64.DestAddr = (u64)-1;
- gen->command.u.cache64.sg_canz = 1;
- gen->command.u.cache64.sg_lst[0].sg_ptr = paddr;
- gen->command.u.cache64.sg_lst[0].sg_len = gen->data_len;
- gen->command.u.cache64.sg_lst[1].sg_len = 0;
- } else {
- gen->command.u.cache64.DestAddr = paddr;
- gen->command.u.cache64.sg_canz = 0;
- }
- } else {
- if (ha->cache_feat & SCATTER_GATHER) {
- gen->command.u.cache.DestAddr = 0xffffffff;
- gen->command.u.cache.sg_canz = 1;
- gen->command.u.cache.sg_lst[0].sg_ptr = (u32)paddr;
- gen->command.u.cache.sg_lst[0].sg_len = gen->data_len;
- gen->command.u.cache.sg_lst[1].sg_len = 0;
- } else {
- gen->command.u.cache.DestAddr = paddr;
- gen->command.u.cache.sg_canz = 0;
- }
- }
-}
-
-static void gdth_ioc_scsiraw(gdth_ha_str *ha, gdth_ioctl_general *gen,
- u64 paddr)
-{
- if (ha->raw_feat & GDT_64BIT) {
- /* copy elements from 32-bit IOCTL structure */
- char cmd[16];
-
- gen->command.u.raw64.sense_len = gen->command.u.raw.sense_len;
- gen->command.u.raw64.bus = gen->command.u.raw.bus;
- gen->command.u.raw64.lun = gen->command.u.raw.lun;
- gen->command.u.raw64.target = gen->command.u.raw.target;
- memcpy(cmd, gen->command.u.raw.cmd, 16);
- memcpy(gen->command.u.raw64.cmd, cmd, 16);
- gen->command.u.raw64.clen = gen->command.u.raw.clen;
- gen->command.u.raw64.sdlen = gen->command.u.raw.sdlen;
- gen->command.u.raw64.direction = gen->command.u.raw.direction;
-
- /* addresses */
- if (ha->raw_feat & SCATTER_GATHER) {
- gen->command.u.raw64.sdata = (u64)-1;
- gen->command.u.raw64.sg_ranz = 1;
- gen->command.u.raw64.sg_lst[0].sg_ptr = paddr;
- gen->command.u.raw64.sg_lst[0].sg_len = gen->data_len;
- gen->command.u.raw64.sg_lst[1].sg_len = 0;
- } else {
- gen->command.u.raw64.sdata = paddr;
- gen->command.u.raw64.sg_ranz = 0;
- }
-
- gen->command.u.raw64.sense_data = paddr + gen->data_len;
- } else {
- if (ha->raw_feat & SCATTER_GATHER) {
- gen->command.u.raw.sdata = 0xffffffff;
- gen->command.u.raw.sg_ranz = 1;
- gen->command.u.raw.sg_lst[0].sg_ptr = (u32)paddr;
- gen->command.u.raw.sg_lst[0].sg_len = gen->data_len;
- gen->command.u.raw.sg_lst[1].sg_len = 0;
- } else {
- gen->command.u.raw.sdata = paddr;
- gen->command.u.raw.sg_ranz = 0;
- }
-
- gen->command.u.raw.sense_data = (u32)paddr + gen->data_len;
- }
-}
-
-static int ioc_general(void __user *arg, char *cmnd)
-{
- gdth_ioctl_general gen;
- gdth_ha_str *ha;
- char *buf = NULL;
- dma_addr_t paddr;
- int rval;
-
- if (copy_from_user(&gen, arg, sizeof(gdth_ioctl_general)))
- return -EFAULT;
- ha = gdth_find_ha(gen.ionode);
- if (!ha)
- return -EFAULT;
-
- if (gen.data_len > INT_MAX)
- return -EINVAL;
- if (gen.sense_len > INT_MAX)
- return -EINVAL;
- if (gen.data_len + gen.sense_len > INT_MAX)
- return -EINVAL;
-
- if (gen.data_len + gen.sense_len > 0) {
- buf = dma_alloc_coherent(&ha->pdev->dev,
- gen.data_len + gen.sense_len, &paddr,
- GFP_KERNEL);
- if (!buf)
- return -EFAULT;
-
- rval = -EFAULT;
- if (copy_from_user(buf, arg + sizeof(gdth_ioctl_general),
- gen.data_len + gen.sense_len))
- goto out_free_buf;
-
- if (gen.command.OpCode == GDT_IOCTL)
- gen.command.u.ioctl.p_param = paddr;
- else if (gen.command.Service == CACHESERVICE)
- gdth_ioc_cacheservice(ha, &gen, paddr);
- else if (gen.command.Service == SCSIRAWSERVICE)
- gdth_ioc_scsiraw(ha, &gen, paddr);
- else
- goto out_free_buf;
- }
-
- rval = __gdth_execute(ha->sdev, &gen.command, cmnd, gen.timeout,
- &gen.info);
- if (rval < 0)
- goto out_free_buf;
- gen.status = rval;
-
- rval = -EFAULT;
- if (copy_to_user(arg + sizeof(gdth_ioctl_general), buf,
- gen.data_len + gen.sense_len))
- goto out_free_buf;
- if (copy_to_user(arg, &gen,
- sizeof(gdth_ioctl_general) - sizeof(gdth_cmd_str)))
- goto out_free_buf;
-
- rval = 0;
-out_free_buf:
- if (buf)
- dma_free_coherent(&ha->pdev->dev, gen.data_len + gen.sense_len,
- buf, paddr);
- return rval;
-}
-
-static int ioc_hdrlist(void __user *arg, char *cmnd)
-{
- gdth_ioctl_rescan *rsc;
- gdth_cmd_str *cmd;
- gdth_ha_str *ha;
- u8 i;
- int rc = -ENOMEM;
- u32 cluster_type = 0;
-
- rsc = kmalloc(sizeof(*rsc), GFP_KERNEL);
- cmd = kmalloc(sizeof(*cmd), GFP_KERNEL);
- if (!rsc || !cmd)
- goto free_fail;
-
- if (copy_from_user(rsc, arg, sizeof(gdth_ioctl_rescan)) ||
- (NULL == (ha = gdth_find_ha(rsc->ionode)))) {
- rc = -EFAULT;
- goto free_fail;
- }
- memset(cmd, 0, sizeof(gdth_cmd_str));
-
- for (i = 0; i < MAX_HDRIVES; ++i) {
- if (!ha->hdr[i].present) {
- rsc->hdr_list[i].bus = 0xff;
- continue;
- }
- rsc->hdr_list[i].bus = ha->virt_bus;
- rsc->hdr_list[i].target = i;
- rsc->hdr_list[i].lun = 0;
- rsc->hdr_list[i].cluster_type = ha->hdr[i].cluster_type;
- if (ha->hdr[i].cluster_type & CLUSTER_DRIVE) {
- cmd->Service = CACHESERVICE;
- cmd->OpCode = GDT_CLUST_INFO;
- if (ha->cache_feat & GDT_64BIT)
- cmd->u.cache64.DeviceNo = i;
- else
- cmd->u.cache.DeviceNo = i;
- if (__gdth_execute(ha->sdev, cmd, cmnd, 30, &cluster_type) == S_OK)
- rsc->hdr_list[i].cluster_type = cluster_type;
- }
- }
-
- if (copy_to_user(arg, rsc, sizeof(gdth_ioctl_rescan)))
- rc = -EFAULT;
- else
- rc = 0;
-
-free_fail:
- kfree(rsc);
- kfree(cmd);
- return rc;
-}
-
-static int ioc_rescan(void __user *arg, char *cmnd)
-{
- gdth_ioctl_rescan *rsc;
- gdth_cmd_str *cmd;
- u16 i, status, hdr_cnt;
- u32 info;
- int cyls, hds, secs;
- int rc = -ENOMEM;
- unsigned long flags;
- gdth_ha_str *ha;
-
- rsc = kmalloc(sizeof(*rsc), GFP_KERNEL);
- cmd = kmalloc(sizeof(*cmd), GFP_KERNEL);
- if (!cmd || !rsc)
- goto free_fail;
-
- if (copy_from_user(rsc, arg, sizeof(gdth_ioctl_rescan)) ||
- (NULL == (ha = gdth_find_ha(rsc->ionode)))) {
- rc = -EFAULT;
- goto free_fail;
- }
- memset(cmd, 0, sizeof(gdth_cmd_str));
-
- if (rsc->flag == 0) {
- /* old method: re-init. cache service */
- cmd->Service = CACHESERVICE;
- if (ha->cache_feat & GDT_64BIT) {
- cmd->OpCode = GDT_X_INIT_HOST;
- cmd->u.cache64.DeviceNo = LINUX_OS;
- } else {
- cmd->OpCode = GDT_INIT;
- cmd->u.cache.DeviceNo = LINUX_OS;
- }
-
- status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info);
- i = 0;
- hdr_cnt = (status == S_OK ? (u16)info : 0);
- } else {
- i = rsc->hdr_no;
- hdr_cnt = i + 1;
- }
-
- for (; i < hdr_cnt && i < MAX_HDRIVES; ++i) {
- cmd->Service = CACHESERVICE;
- cmd->OpCode = GDT_INFO;
- if (ha->cache_feat & GDT_64BIT)
- cmd->u.cache64.DeviceNo = i;
- else
- cmd->u.cache.DeviceNo = i;
-
- status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info);
-
- spin_lock_irqsave(&ha->smp_lock, flags);
- rsc->hdr_list[i].bus = ha->virt_bus;
- rsc->hdr_list[i].target = i;
- rsc->hdr_list[i].lun = 0;
- if (status != S_OK) {
- ha->hdr[i].present = FALSE;
- } else {
- ha->hdr[i].present = TRUE;
- ha->hdr[i].size = info;
- /* evaluate mapping */
- ha->hdr[i].size &= ~SECS32;
- gdth_eval_mapping(ha->hdr[i].size,&cyls,&hds,&secs);
- ha->hdr[i].heads = hds;
- ha->hdr[i].secs = secs;
- /* round size */
- ha->hdr[i].size = cyls * hds * secs;
- }
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- if (status != S_OK)
- continue;
-
- /* extended info, if GDT_64BIT, for drives > 2 TB */
- /* but we need ha->info2, not yet stored in scp->SCp */
-
- /* devtype, cluster info, R/W attribs */
- cmd->Service = CACHESERVICE;
- cmd->OpCode = GDT_DEVTYPE;
- if (ha->cache_feat & GDT_64BIT)
- cmd->u.cache64.DeviceNo = i;
- else
- cmd->u.cache.DeviceNo = i;
-
- status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info);
-
- spin_lock_irqsave(&ha->smp_lock, flags);
- ha->hdr[i].devtype = (status == S_OK ? (u16)info : 0);
- spin_unlock_irqrestore(&ha->smp_lock, flags);
-
- cmd->Service = CACHESERVICE;
- cmd->OpCode = GDT_CLUST_INFO;
- if (ha->cache_feat & GDT_64BIT)
- cmd->u.cache64.DeviceNo = i;
- else
- cmd->u.cache.DeviceNo = i;
-
- status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info);
-
- spin_lock_irqsave(&ha->smp_lock, flags);
- ha->hdr[i].cluster_type =
- ((status == S_OK && !shared_access) ? (u16)info : 0);
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- rsc->hdr_list[i].cluster_type = ha->hdr[i].cluster_type;
-
- cmd->Service = CACHESERVICE;
- cmd->OpCode = GDT_RW_ATTRIBS;
- if (ha->cache_feat & GDT_64BIT)
- cmd->u.cache64.DeviceNo = i;
- else
- cmd->u.cache.DeviceNo = i;
-
- status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info);
-
- spin_lock_irqsave(&ha->smp_lock, flags);
- ha->hdr[i].rw_attribs = (status == S_OK ? (u16)info : 0);
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- }
-
- if (copy_to_user(arg, rsc, sizeof(gdth_ioctl_rescan)))
- rc = -EFAULT;
- else
- rc = 0;
-
-free_fail:
- kfree(rsc);
- kfree(cmd);
- return rc;
-}
-
-static int gdth_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
-{
- gdth_ha_str *ha;
- struct scsi_cmnd *scp;
- unsigned long flags;
- char cmnd[MAX_COMMAND_SIZE];
- void __user *argp = (void __user *)arg;
-
- memset(cmnd, 0xff, 12);
-
- TRACE(("gdth_ioctl() cmd 0x%x\n", cmd));
-
- switch (cmd) {
- case GDTIOCTL_CTRCNT:
- {
- int cnt = gdth_ctr_count;
- if (put_user(cnt, (int __user *)argp))
- return -EFAULT;
- break;
- }
-
- case GDTIOCTL_DRVERS:
- {
- int ver = (GDTH_VERSION<<8) | GDTH_SUBVERSION;
- if (put_user(ver, (int __user *)argp))
- return -EFAULT;
- break;
- }
-
- case GDTIOCTL_OSVERS:
- {
- gdth_ioctl_osvers osv;
-
- osv.version = (u8)(LINUX_VERSION_CODE >> 16);
- osv.subversion = (u8)(LINUX_VERSION_CODE >> 8);
- osv.revision = (u16)(LINUX_VERSION_CODE & 0xff);
- if (copy_to_user(argp, &osv, sizeof(gdth_ioctl_osvers)))
- return -EFAULT;
- break;
- }
-
- case GDTIOCTL_CTRTYPE:
- {
- gdth_ioctl_ctrtype ctrt;
-
- if (copy_from_user(&ctrt, argp, sizeof(gdth_ioctl_ctrtype)) ||
- (NULL == (ha = gdth_find_ha(ctrt.ionode))))
- return -EFAULT;
-
- if (ha->type != GDT_PCIMPR) {
- ctrt.type = (u8)((ha->stype<<4) + 6);
- } else {
- ctrt.type = (ha->oem_id == OEM_ID_INTEL ? 0xfd : 0xfe);
- if (ha->stype >= 0x300)
- ctrt.ext_type = 0x6000 | ha->pdev->subsystem_device;
- else
- ctrt.ext_type = 0x6000 | ha->stype;
- }
- ctrt.device_id = ha->pdev->device;
- ctrt.sub_device_id = ha->pdev->subsystem_device;
- ctrt.info = ha->brd_phys;
- ctrt.oem_id = ha->oem_id;
- if (copy_to_user(argp, &ctrt, sizeof(gdth_ioctl_ctrtype)))
- return -EFAULT;
- break;
- }
-
- case GDTIOCTL_GENERAL:
- return ioc_general(argp, cmnd);
-
- case GDTIOCTL_EVENT:
- return ioc_event(argp);
-
- case GDTIOCTL_LOCKDRV:
- return ioc_lockdrv(argp);
-
- case GDTIOCTL_LOCKCHN:
- {
- gdth_ioctl_lockchn lchn;
- u8 i, j;
-
- if (copy_from_user(&lchn, argp, sizeof(gdth_ioctl_lockchn)) ||
- (NULL == (ha = gdth_find_ha(lchn.ionode))))
- return -EFAULT;
-
- i = lchn.channel;
- if (i < ha->bus_cnt) {
- if (lchn.lock) {
- spin_lock_irqsave(&ha->smp_lock, flags);
- ha->raw[i].lock = 1;
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- for (j = 0; j < ha->tid_cnt; ++j)
- gdth_wait_completion(ha, i, j);
- } else {
- spin_lock_irqsave(&ha->smp_lock, flags);
- ha->raw[i].lock = 0;
- spin_unlock_irqrestore(&ha->smp_lock, flags);
- for (j = 0; j < ha->tid_cnt; ++j)
- gdth_next(ha);
- }
- }
- break;
- }
-
- case GDTIOCTL_RESCAN:
- return ioc_rescan(argp, cmnd);
-
- case GDTIOCTL_HDRLIST:
- return ioc_hdrlist(argp, cmnd);
-
- case GDTIOCTL_RESET_BUS:
- {
- gdth_ioctl_reset res;
- int rval;
-
- if (copy_from_user(&res, argp, sizeof(gdth_ioctl_reset)) ||
- (NULL == (ha = gdth_find_ha(res.ionode))))
- return -EFAULT;
-
- scp = kzalloc(sizeof(*scp), GFP_KERNEL);
- if (!scp)
- return -ENOMEM;
- scp->device = ha->sdev;
- scp->cmd_len = 12;
- scp->device->channel = res.number;
- rval = gdth_eh_bus_reset(scp);
- res.status = (rval == SUCCESS ? S_OK : S_GENERR);
- kfree(scp);
-
- if (copy_to_user(argp, &res, sizeof(gdth_ioctl_reset)))
- return -EFAULT;
- break;
- }
-
- case GDTIOCTL_RESET_DRV:
- return ioc_resetdrv(argp, cmnd);
-
- default:
- break;
- }
- return 0;
-}
-
-static long gdth_unlocked_ioctl(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- int ret;
-
- mutex_lock(&gdth_mutex);
- ret = gdth_ioctl(file, cmd, arg);
- mutex_unlock(&gdth_mutex);
-
- return ret;
-}
-
-/* flush routine */
-static void gdth_flush(gdth_ha_str *ha)
-{
- int i;
- gdth_cmd_str gdtcmd;
- char cmnd[MAX_COMMAND_SIZE];
- memset(cmnd, 0xff, MAX_COMMAND_SIZE);
-
- TRACE2(("gdth_flush() hanum %d\n", ha->hanum));
-
- for (i = 0; i < MAX_HDRIVES; ++i) {
- if (ha->hdr[i].present) {
- gdtcmd.BoardNode = LOCALBOARD;
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_FLUSH;
- if (ha->cache_feat & GDT_64BIT) {
- gdtcmd.u.cache64.DeviceNo = i;
- gdtcmd.u.cache64.BlockNo = 1;
- gdtcmd.u.cache64.sg_canz = 0;
- } else {
- gdtcmd.u.cache.DeviceNo = i;
- gdtcmd.u.cache.BlockNo = 1;
- gdtcmd.u.cache.sg_canz = 0;
- }
- TRACE2(("gdth_flush(): flush ha %d drive %d\n", ha->hanum, i));
-
- gdth_execute(ha->shost, &gdtcmd, cmnd, 30, NULL);
- }
- }
-}
-
-/* configure lun */
-static int gdth_slave_configure(struct scsi_device *sdev)
-{
- sdev->skip_ms_page_3f = 1;
- sdev->skip_ms_page_8 = 1;
- return 0;
-}
-
-static struct scsi_host_template gdth_template = {
- .name = "GDT SCSI Disk Array Controller",
- .info = gdth_info,
- .queuecommand = gdth_queuecommand,
- .eh_bus_reset_handler = gdth_eh_bus_reset,
- .slave_configure = gdth_slave_configure,
- .bios_param = gdth_bios_param,
- .show_info = gdth_show_info,
- .write_info = gdth_set_info,
- .eh_timed_out = gdth_timed_out,
- .proc_name = "gdth",
- .can_queue = GDTH_MAXCMDS,
- .this_id = -1,
- .sg_tablesize = GDTH_MAXSG,
- .cmd_per_lun = GDTH_MAXC_P_L,
- .unchecked_isa_dma = 1,
- .no_write_same = 1,
-};
-
-static int gdth_pci_probe_one(gdth_pci_str *pcistr, gdth_ha_str **ha_out)
-{
- struct Scsi_Host *shp;
- gdth_ha_str *ha;
- dma_addr_t scratch_dma_handle = 0;
- int error, i;
- struct pci_dev *pdev = pcistr->pdev;
-
- *ha_out = NULL;
-
- shp = scsi_host_alloc(&gdth_template, sizeof(gdth_ha_str));
- if (!shp)
- return -ENOMEM;
- ha = shost_priv(shp);
-
- error = -ENODEV;
- if (!gdth_init_pci(pdev, pcistr, ha))
- goto out_host_put;
-
- /* controller found and initialized */
- printk("Configuring GDT-PCI HA at %d/%d IRQ %u\n",
- pdev->bus->number,
- PCI_SLOT(pdev->devfn),
- ha->irq);
-
- error = request_irq(ha->irq, gdth_interrupt,
- IRQF_SHARED, "gdth", ha);
- if (error) {
- printk("GDT-PCI: Unable to allocate IRQ\n");
- goto out_host_put;
- }
-
- shp->unchecked_isa_dma = 0;
- shp->irq = ha->irq;
- shp->dma_channel = 0xff;
-
- ha->hanum = gdth_ctr_count++;
- ha->shost = shp;
-
- ha->pccb = &ha->cmdext;
- ha->ccb_phys = 0L;
-
- error = -ENOMEM;
-
- ha->pscratch = dma_alloc_coherent(&ha->pdev->dev, GDTH_SCRATCH,
- &scratch_dma_handle, GFP_KERNEL);
- if (!ha->pscratch)
- goto out_free_irq;
- ha->scratch_phys = scratch_dma_handle;
-
- ha->pmsg = dma_alloc_coherent(&ha->pdev->dev, sizeof(gdth_msg_str),
- &scratch_dma_handle, GFP_KERNEL);
- if (!ha->pmsg)
- goto out_free_pscratch;
- ha->msg_phys = scratch_dma_handle;
-
- ha->scratch_busy = FALSE;
- ha->req_first = NULL;
- ha->tid_cnt = pdev->device >= 0x200 ? MAXID : MAX_HDRIVES;
- if (max_ids > 0 && max_ids < ha->tid_cnt)
- ha->tid_cnt = max_ids;
- for (i = 0; i < GDTH_MAXCMDS; ++i)
- ha->cmd_tab[i].cmnd = UNUSED_CMND;
- ha->scan_mode = rescan ? 0x10 : 0;
-
- error = -ENODEV;
- if (!gdth_search_drives(ha)) {
- printk("GDT-PCI %d: Error during device scan\n", ha->hanum);
- goto out_free_pmsg;
- }
-
- if (hdr_channel < 0 || hdr_channel > ha->bus_cnt)
- hdr_channel = ha->bus_cnt;
- ha->virt_bus = hdr_channel;
-
- /* 64-bit DMA only supported from FW >= x.43 */
- if (!(ha->cache_feat & ha->raw_feat & ha->screen_feat & GDT_64BIT) ||
- !ha->dma64_support) {
- if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
- printk(KERN_WARNING "GDT-PCI %d: "
- "Unable to set 32-bit DMA\n", ha->hanum);
- goto out_free_pmsg;
- }
- } else {
- shp->max_cmd_len = 16;
- if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
- printk("GDT-PCI %d: 64-bit DMA enabled\n", ha->hanum);
- } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
- printk(KERN_WARNING "GDT-PCI %d: "
- "Unable to set 64/32-bit DMA\n", ha->hanum);
- goto out_free_pmsg;
- }
- }
-
- shp->max_id = ha->tid_cnt;
- shp->max_lun = MAXLUN;
- shp->max_channel = ha->bus_cnt;
-
- spin_lock_init(&ha->smp_lock);
- gdth_enable_int(ha);
-
- error = scsi_add_host(shp, &pdev->dev);
- if (error)
- goto out_free_pmsg;
- list_add_tail(&ha->list, &gdth_instances);
-
- pci_set_drvdata(ha->pdev, ha);
- gdth_timer_init();
-
- scsi_scan_host(shp);
-
- *ha_out = ha;
-
- return 0;
-
- out_free_pmsg:
- dma_free_coherent(&ha->pdev->dev, sizeof(gdth_msg_str),
- ha->pmsg, ha->msg_phys);
- out_free_pscratch:
- dma_free_coherent(&ha->pdev->dev, GDTH_SCRATCH,
- ha->pscratch, ha->scratch_phys);
- out_free_irq:
- free_irq(ha->irq, ha);
- gdth_ctr_count--;
- out_host_put:
- scsi_host_put(shp);
- return error;
-}
-
-static void gdth_remove_one(gdth_ha_str *ha)
-{
- struct Scsi_Host *shp = ha->shost;
-
- TRACE2(("gdth_remove_one()\n"));
-
- scsi_remove_host(shp);
-
- gdth_flush(ha);
-
- if (ha->sdev) {
- scsi_free_host_dev(ha->sdev);
- ha->sdev = NULL;
- }
-
- if (shp->irq)
- free_irq(shp->irq,ha);
-
- if (ha->pscratch)
- dma_free_coherent(&ha->pdev->dev, GDTH_SCRATCH,
- ha->pscratch, ha->scratch_phys);
- if (ha->pmsg)
- dma_free_coherent(&ha->pdev->dev, sizeof(gdth_msg_str),
- ha->pmsg, ha->msg_phys);
- if (ha->ccb_phys)
- dma_unmap_single(&ha->pdev->dev, ha->ccb_phys,
- sizeof(gdth_cmd_str), DMA_BIDIRECTIONAL);
-
- scsi_host_put(shp);
-}
-
-static int gdth_halt(struct notifier_block *nb, unsigned long event, void *buf)
-{
- gdth_ha_str *ha;
-
- TRACE2(("gdth_halt() event %d\n", (int)event));
- if (event != SYS_RESTART && event != SYS_HALT && event != SYS_POWER_OFF)
- return NOTIFY_DONE;
-
- list_for_each_entry(ha, &gdth_instances, list)
- gdth_flush(ha);
-
- return NOTIFY_OK;
-}
-
-static struct notifier_block gdth_notifier = {
- gdth_halt, NULL, 0
-};
-
-static int __init gdth_init(void)
-{
- if (disable) {
- printk("GDT-HA: Controller driver disabled from"
- " command line !\n");
- return 0;
- }
-
- printk("GDT-HA: Storage RAID Controller Driver. Version: %s\n",
- GDTH_VERSION_STR);
-
- /* initializations */
- gdth_polling = TRUE;
- gdth_clear_events();
- timer_setup(&gdth_timer, gdth_timeout, 0);
-
- /* scanning for PCI controllers */
- if (pci_register_driver(&gdth_pci_driver)) {
- gdth_ha_str *ha;
-
- list_for_each_entry(ha, &gdth_instances, list)
- gdth_remove_one(ha);
- return -ENODEV;
- }
-
- TRACE2(("gdth_detect() %d controller detected\n", gdth_ctr_count));
-
- major = register_chrdev(0,"gdth", &gdth_fops);
- register_reboot_notifier(&gdth_notifier);
- gdth_polling = FALSE;
- return 0;
-}
-
-static void __exit gdth_exit(void)
-{
- gdth_ha_str *ha;
-
- unregister_chrdev(major, "gdth");
- unregister_reboot_notifier(&gdth_notifier);
-
-#ifdef GDTH_STATISTICS
- del_timer_sync(&gdth_timer);
-#endif
-
- pci_unregister_driver(&gdth_pci_driver);
-
- list_for_each_entry(ha, &gdth_instances, list)
- gdth_remove_one(ha);
-}
-
-module_init(gdth_init);
-module_exit(gdth_exit);
-
-#ifndef MODULE
-static void __init internal_setup(char *str,int *ints)
-{
- int i;
- char *cur_str, *argv;
-
- TRACE2(("internal_setup() str %s ints[0] %d\n",
- str ? str:"NULL", ints ? ints[0]:0));
-
- /* analyse string */
- argv = str;
- while (argv && (cur_str = strchr(argv, ':'))) {
- int val = 0, c = *++cur_str;
-
- if (c == 'n' || c == 'N')
- val = 0;
- else if (c == 'y' || c == 'Y')
- val = 1;
- else
- val = (int)simple_strtoul(cur_str, NULL, 0);
-
- if (!strncmp(argv, "disable:", 8))
- disable = val;
- else if (!strncmp(argv, "reserve_mode:", 13))
- reserve_mode = val;
- else if (!strncmp(argv, "reverse_scan:", 13))
- reverse_scan = val;
- else if (!strncmp(argv, "hdr_channel:", 12))
- hdr_channel = val;
- else if (!strncmp(argv, "max_ids:", 8))
- max_ids = val;
- else if (!strncmp(argv, "rescan:", 7))
- rescan = val;
- else if (!strncmp(argv, "shared_access:", 14))
- shared_access = val;
- else if (!strncmp(argv, "reserve_list:", 13)) {
- reserve_list[0] = val;
- for (i = 1; i < MAX_RES_ARGS; i++) {
- cur_str = strchr(cur_str, ',');
- if (!cur_str)
- break;
- if (!isdigit((int)*++cur_str)) {
- --cur_str;
- break;
- }
- reserve_list[i] =
- (int)simple_strtoul(cur_str, NULL, 0);
- }
- if (!cur_str)
- break;
- argv = ++cur_str;
- continue;
- }
-
- if ((argv = strchr(argv, ',')))
- ++argv;
- }
-}
-
-static int __init option_setup(char *str)
-{
- int ints[MAXHA];
- char *cur = str;
- int i = 1;
-
- TRACE2(("option_setup() str %s\n", str ? str:"NULL"));
-
- while (cur && isdigit(*cur) && i < MAXHA) {
- ints[i++] = simple_strtoul(cur, NULL, 0);
- if ((cur = strchr(cur, ',')) != NULL) cur++;
- }
-
- ints[0] = i - 1;
- internal_setup(cur, ints);
- return 1;
-}
-
-__setup("gdth=", option_setup);
-#endif
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.