+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-or-later
-/***************************************************************************
- dpti.c - description
- -------------------
- begin : Thu Sep 7 2000
- copyright : (C) 2000 by Adaptec
-
- July 30, 2001 First version being submitted
- for inclusion in the kernel. V2.4
-
- See Documentation/scsi/dpti.rst for history, notes, license info
- and credits
- ***************************************************************************/
-
-/***************************************************************************
- * *
- * *
- ***************************************************************************/
-/***************************************************************************
- * Sat Dec 20 2003 Go Taniguchi <go@turbolinux.co.jp>
- - Support 2.6 kernel and DMA-mapping
- - ioctl fix for raid tools
- - use schedule_timeout in long long loop
- **************************************************************************/
-
-/*#define DEBUG 1 */
-/*#define UARTDELAY 1 */
-
-#include <linux/module.h>
-#include <linux/pgtable.h>
-
-MODULE_AUTHOR("Deanna Bonds, with _lots_ of help from Mark Salyzyn");
-MODULE_DESCRIPTION("Adaptec I2O RAID Driver");
-
-////////////////////////////////////////////////////////////////
-
-#include <linux/ioctl.h> /* For SCSI-Passthrough */
-#include <linux/uaccess.h>
-
-#include <linux/stat.h>
-#include <linux/slab.h> /* for kmalloc() */
-#include <linux/pci.h> /* for PCI support */
-#include <linux/proc_fs.h>
-#include <linux/blkdev.h>
-#include <linux/delay.h> /* for udelay */
-#include <linux/interrupt.h>
-#include <linux/kernel.h> /* for printk */
-#include <linux/sched.h>
-#include <linux/reboot.h>
-#include <linux/spinlock.h>
-#include <linux/dma-mapping.h>
-
-#include <linux/timer.h>
-#include <linux/string.h>
-#include <linux/ioport.h>
-#include <linux/mutex.h>
-
-#include <asm/processor.h> /* for boot_cpu_data */
-#include <asm/io.h> /* for virt_to_bus, etc. */
-
-#include <scsi/scsi.h>
-#include <scsi/scsi_cmnd.h>
-#include <scsi/scsi_device.h>
-#include <scsi/scsi_host.h>
-#include <scsi/scsi_tcq.h>
-
-#include "dpt/dptsig.h"
-#include "dpti.h"
-
-/*============================================================================
- * Create a binary signature - this is read by dptsig
- * Needed for our management apps
- *============================================================================
- */
-static DEFINE_MUTEX(adpt_mutex);
-static dpt_sig_S DPTI_sig = {
- {'d', 'P', 't', 'S', 'i', 'G'}, SIG_VERSION,
-#ifdef __i386__
- PROC_INTEL, PROC_386 | PROC_486 | PROC_PENTIUM | PROC_SEXIUM,
-#elif defined(__ia64__)
- PROC_INTEL, PROC_IA64,
-#elif defined(__sparc__)
- PROC_ULTRASPARC, PROC_ULTRASPARC,
-#elif defined(__alpha__)
- PROC_ALPHA, PROC_ALPHA,
-#else
- (-1),(-1),
-#endif
- FT_HBADRVR, 0, OEM_DPT, OS_LINUX, CAP_OVERLAP, DEV_ALL,
- ADF_ALL_SC5, 0, 0, DPT_VERSION, DPT_REVISION, DPT_SUBREVISION,
- DPT_MONTH, DPT_DAY, DPT_YEAR, "Adaptec Linux I2O RAID Driver"
-};
-
-
-
-
-/*============================================================================
- * Globals
- *============================================================================
- */
-
-static DEFINE_MUTEX(adpt_configuration_lock);
-
-static struct i2o_sys_tbl *sys_tbl;
-static dma_addr_t sys_tbl_pa;
-static int sys_tbl_ind;
-static int sys_tbl_len;
-
-static adpt_hba* hba_chain = NULL;
-static int hba_count = 0;
-
-static struct class *adpt_sysfs_class;
-
-static long adpt_unlocked_ioctl(struct file *, unsigned int, unsigned long);
-#ifdef CONFIG_COMPAT
-static long compat_adpt_ioctl(struct file *, unsigned int, unsigned long);
-#endif
-
-static const struct file_operations adpt_fops = {
- .unlocked_ioctl = adpt_unlocked_ioctl,
- .open = adpt_open,
- .release = adpt_close,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = compat_adpt_ioctl,
-#endif
- .llseek = noop_llseek,
-};
-
-/* Structures and definitions for synchronous message posting.
- * See adpt_i2o_post_wait() for description
- * */
-struct adpt_i2o_post_wait_data
-{
- int status;
- u32 id;
- adpt_wait_queue_head_t *wq;
- struct adpt_i2o_post_wait_data *next;
-};
-
-static struct adpt_i2o_post_wait_data *adpt_post_wait_queue = NULL;
-static u32 adpt_post_wait_id = 0;
-static DEFINE_SPINLOCK(adpt_post_wait_lock);
-
-
-/*============================================================================
- * Functions
- *============================================================================
- */
-
-static inline int dpt_dma64(adpt_hba *pHba)
-{
- return (sizeof(dma_addr_t) > 4 && (pHba)->dma64);
-}
-
-static inline u32 dma_high(dma_addr_t addr)
-{
- return upper_32_bits(addr);
-}
-
-static inline u32 dma_low(dma_addr_t addr)
-{
- return (u32)addr;
-}
-
-static u8 adpt_read_blink_led(adpt_hba* host)
-{
- if (host->FwDebugBLEDflag_P) {
- if( readb(host->FwDebugBLEDflag_P) == 0xbc ){
- return readb(host->FwDebugBLEDvalue_P);
- }
- }
- return 0;
-}
-
-/*============================================================================
- * Scsi host template interface functions
- *============================================================================
- */
-
-#ifdef MODULE
-static struct pci_device_id dptids[] = {
- { PCI_DPT_VENDOR_ID, PCI_DPT_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
- { PCI_DPT_VENDOR_ID, PCI_DPT_RAPTOR_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
- { 0, }
-};
-#endif
-
-MODULE_DEVICE_TABLE(pci,dptids);
-
-static int adpt_detect(struct scsi_host_template* sht)
-{
- struct pci_dev *pDev = NULL;
- adpt_hba *pHba;
- adpt_hba *next;
-
- PINFO("Detecting Adaptec I2O RAID controllers...\n");
-
- /* search for all Adatpec I2O RAID cards */
- while ((pDev = pci_get_device( PCI_DPT_VENDOR_ID, PCI_ANY_ID, pDev))) {
- if(pDev->device == PCI_DPT_DEVICE_ID ||
- pDev->device == PCI_DPT_RAPTOR_DEVICE_ID){
- if(adpt_install_hba(sht, pDev) ){
- PERROR("Could not Init an I2O RAID device\n");
- PERROR("Will not try to detect others.\n");
- return hba_count-1;
- }
- pci_dev_get(pDev);
- }
- }
-
- /* In INIT state, Activate IOPs */
- for (pHba = hba_chain; pHba; pHba = next) {
- next = pHba->next;
- // Activate does get status , init outbound, and get hrt
- if (adpt_i2o_activate_hba(pHba) < 0) {
- adpt_i2o_delete_hba(pHba);
- }
- }
-
-
- /* Active IOPs in HOLD state */
-
-rebuild_sys_tab:
- if (hba_chain == NULL)
- return 0;
-
- /*
- * If build_sys_table fails, we kill everything and bail
- * as we can't init the IOPs w/o a system table
- */
- if (adpt_i2o_build_sys_table() < 0) {
- adpt_i2o_sys_shutdown();
- return 0;
- }
-
- PDEBUG("HBA's in HOLD state\n");
-
- /* If IOP don't get online, we need to rebuild the System table */
- for (pHba = hba_chain; pHba; pHba = pHba->next) {
- if (adpt_i2o_online_hba(pHba) < 0) {
- adpt_i2o_delete_hba(pHba);
- goto rebuild_sys_tab;
- }
- }
-
- /* Active IOPs now in OPERATIONAL state */
- PDEBUG("HBA's in OPERATIONAL state\n");
-
- printk("dpti: If you have a lot of devices this could take a few minutes.\n");
- for (pHba = hba_chain; pHba; pHba = next) {
- next = pHba->next;
- printk(KERN_INFO"%s: Reading the hardware resource table.\n", pHba->name);
- if (adpt_i2o_lct_get(pHba) < 0){
- adpt_i2o_delete_hba(pHba);
- continue;
- }
-
- if (adpt_i2o_parse_lct(pHba) < 0){
- adpt_i2o_delete_hba(pHba);
- continue;
- }
- adpt_inquiry(pHba);
- }
-
- adpt_sysfs_class = class_create(THIS_MODULE, "dpt_i2o");
- if (IS_ERR(adpt_sysfs_class)) {
- printk(KERN_WARNING"dpti: unable to create dpt_i2o class\n");
- adpt_sysfs_class = NULL;
- }
-
- for (pHba = hba_chain; pHba; pHba = next) {
- next = pHba->next;
- if (adpt_scsi_host_alloc(pHba, sht) < 0){
- adpt_i2o_delete_hba(pHba);
- continue;
- }
- pHba->initialized = TRUE;
- pHba->state &= ~DPTI_STATE_RESET;
- if (adpt_sysfs_class) {
- struct device *dev = device_create(adpt_sysfs_class,
- NULL, MKDEV(DPTI_I2O_MAJOR, pHba->unit), NULL,
- "dpti%d", pHba->unit);
- if (IS_ERR(dev)) {
- printk(KERN_WARNING"dpti%d: unable to "
- "create device in dpt_i2o class\n",
- pHba->unit);
- }
- }
- }
-
- // Register our control device node
- // nodes will need to be created in /dev to access this
- // the nodes can not be created from within the driver
- if (hba_count && register_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER, &adpt_fops)) {
- adpt_i2o_sys_shutdown();
- return 0;
- }
- return hba_count;
-}
-
-
-static void adpt_release(adpt_hba *pHba)
-{
- struct Scsi_Host *shost = pHba->host;
-
- scsi_remove_host(shost);
-// adpt_i2o_quiesce_hba(pHba);
- adpt_i2o_delete_hba(pHba);
- scsi_host_put(shost);
-}
-
-
-static void adpt_inquiry(adpt_hba* pHba)
-{
- u32 msg[17];
- u32 *mptr;
- u32 *lenptr;
- int direction;
- int scsidir;
- u32 len;
- u32 reqlen;
- u8* buf;
- dma_addr_t addr;
- u8 scb[16];
- s32 rcode;
-
- memset(msg, 0, sizeof(msg));
- buf = dma_alloc_coherent(&pHba->pDev->dev, 80, &addr, GFP_KERNEL);
- if(!buf){
- printk(KERN_ERR"%s: Could not allocate buffer\n",pHba->name);
- return;
- }
- memset((void*)buf, 0, 36);
-
- len = 36;
- direction = 0x00000000;
- scsidir =0x40000000; // DATA IN (iop<--dev)
-
- if (dpt_dma64(pHba))
- reqlen = 17; // SINGLE SGE, 64 bit
- else
- reqlen = 14; // SINGLE SGE, 32 bit
- /* Stick the headers on */
- msg[0] = reqlen<<16 | SGL_OFFSET_12;
- msg[1] = (0xff<<24|HOST_TID<<12|ADAPTER_TID);
- msg[2] = 0;
- msg[3] = 0;
- // Adaptec/DPT Private stuff
- msg[4] = I2O_CMD_SCSI_EXEC|DPT_ORGANIZATION_ID<<16;
- msg[5] = ADAPTER_TID | 1<<16 /* Interpret*/;
- /* Direction, disconnect ok | sense data | simple queue , CDBLen */
- // I2O_SCB_FLAG_ENABLE_DISCONNECT |
- // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
- // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
- msg[6] = scsidir|0x20a00000| 6 /* cmd len*/;
-
- mptr=msg+7;
-
- memset(scb, 0, sizeof(scb));
- // Write SCSI command into the message - always 16 byte block
- scb[0] = INQUIRY;
- scb[1] = 0;
- scb[2] = 0;
- scb[3] = 0;
- scb[4] = 36;
- scb[5] = 0;
- // Don't care about the rest of scb
-
- memcpy(mptr, scb, sizeof(scb));
- mptr+=4;
- lenptr=mptr++; /* Remember me - fill in when we know */
-
- /* Now fill in the SGList and command */
- *lenptr = len;
- if (dpt_dma64(pHba)) {
- *mptr++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
- *mptr++ = 1 << PAGE_SHIFT;
- *mptr++ = 0xD0000000|direction|len;
- *mptr++ = dma_low(addr);
- *mptr++ = dma_high(addr);
- } else {
- *mptr++ = 0xD0000000|direction|len;
- *mptr++ = addr;
- }
-
- // Send it on it's way
- rcode = adpt_i2o_post_wait(pHba, msg, reqlen<<2, 120);
- if (rcode != 0) {
- sprintf(pHba->detail, "Adaptec I2O RAID");
- printk(KERN_INFO "%s: Inquiry Error (%d)\n",pHba->name,rcode);
- if (rcode != -ETIME && rcode != -EINTR)
- dma_free_coherent(&pHba->pDev->dev, 80, buf, addr);
- } else {
- memset(pHba->detail, 0, sizeof(pHba->detail));
- memcpy(&(pHba->detail), "Vendor: Adaptec ", 16);
- memcpy(&(pHba->detail[16]), " Model: ", 8);
- memcpy(&(pHba->detail[24]), (u8*) &buf[16], 16);
- memcpy(&(pHba->detail[40]), " FW: ", 4);
- memcpy(&(pHba->detail[44]), (u8*) &buf[32], 4);
- pHba->detail[48] = '\0'; /* precautionary */
- dma_free_coherent(&pHba->pDev->dev, 80, buf, addr);
- }
- adpt_i2o_status_get(pHba);
- return ;
-}
-
-
-static int adpt_slave_configure(struct scsi_device * device)
-{
- struct Scsi_Host *host = device->host;
-
- if (host->can_queue && device->tagged_supported) {
- scsi_change_queue_depth(device,
- host->can_queue - 1);
- }
- return 0;
-}
-
-static int adpt_queue_lck(struct scsi_cmnd *cmd)
-{
- adpt_hba* pHba = NULL;
- struct adpt_device* pDev = NULL; /* dpt per device information */
-
- /*
- * SCSI REQUEST_SENSE commands will be executed automatically by the
- * Host Adapter for any errors, so they should not be executed
- * explicitly unless the Sense Data is zero indicating that no error
- * occurred.
- */
-
- if ((cmd->cmnd[0] == REQUEST_SENSE) && (cmd->sense_buffer[0] != 0)) {
- cmd->result = (DID_OK << 16);
- scsi_done(cmd);
- return 0;
- }
-
- pHba = (adpt_hba*)cmd->device->host->hostdata[0];
- if (!pHba) {
- return FAILED;
- }
-
- rmb();
- if ((pHba->state) & DPTI_STATE_RESET)
- return SCSI_MLQUEUE_HOST_BUSY;
-
- // TODO if the cmd->device if offline then I may need to issue a bus rescan
- // followed by a get_lct to see if the device is there anymore
- if((pDev = (struct adpt_device*) (cmd->device->hostdata)) == NULL) {
- /*
- * First command request for this device. Set up a pointer
- * to the device structure. This should be a TEST_UNIT_READY
- * command from scan_scsis_single.
- */
- if ((pDev = adpt_find_device(pHba, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun)) == NULL) {
- // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response
- // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue.
- cmd->result = (DID_NO_CONNECT << 16);
- scsi_done(cmd);
- return 0;
- }
- cmd->device->hostdata = pDev;
- }
- pDev->pScsi_dev = cmd->device;
-
- /*
- * If we are being called from when the device is being reset,
- * delay processing of the command until later.
- */
- if (pDev->state & DPTI_DEV_RESET ) {
- return FAILED;
- }
- return adpt_scsi_to_i2o(pHba, cmd, pDev);
-}
-
-static DEF_SCSI_QCMD(adpt_queue)
-
-static int adpt_bios_param(struct scsi_device *sdev, struct block_device *dev,
- sector_t capacity, int geom[])
-{
- int heads=-1;
- int sectors=-1;
- int cylinders=-1;
-
- // *** First lets set the default geometry ****
-
- // If the capacity is less than ox2000
- if (capacity < 0x2000 ) { // floppy
- heads = 18;
- sectors = 2;
- }
- // else if between 0x2000 and 0x20000
- else if (capacity < 0x20000) {
- heads = 64;
- sectors = 32;
- }
- // else if between 0x20000 and 0x40000
- else if (capacity < 0x40000) {
- heads = 65;
- sectors = 63;
- }
- // else if between 0x4000 and 0x80000
- else if (capacity < 0x80000) {
- heads = 128;
- sectors = 63;
- }
- // else if greater than 0x80000
- else {
- heads = 255;
- sectors = 63;
- }
- cylinders = sector_div(capacity, heads * sectors);
-
- // Special case if CDROM
- if(sdev->type == 5) { // CDROM
- heads = 252;
- sectors = 63;
- cylinders = 1111;
- }
-
- geom[0] = heads;
- geom[1] = sectors;
- geom[2] = cylinders;
-
- PDEBUG("adpt_bios_param: exit\n");
- return 0;
-}
-
-
-static const char *adpt_info(struct Scsi_Host *host)
-{
- adpt_hba* pHba;
-
- pHba = (adpt_hba *) host->hostdata[0];
- return (char *) (pHba->detail);
-}
-
-static int adpt_show_info(struct seq_file *m, struct Scsi_Host *host)
-{
- struct adpt_device* d;
- int id;
- int chan;
- adpt_hba* pHba;
- int unit;
-
- // Find HBA (host bus adapter) we are looking for
- mutex_lock(&adpt_configuration_lock);
- for (pHba = hba_chain; pHba; pHba = pHba->next) {
- if (pHba->host == host) {
- break; /* found adapter */
- }
- }
- mutex_unlock(&adpt_configuration_lock);
- if (pHba == NULL) {
- return 0;
- }
- host = pHba->host;
-
- seq_printf(m, "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION);
- seq_printf(m, "%s\n", pHba->detail);
- seq_printf(m, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n",
- pHba->host->host_no, pHba->name, host->irq);
- seq_printf(m, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n",
- host->can_queue, (int) pHba->reply_fifo_size , host->sg_tablesize);
-
- seq_puts(m, "Devices:\n");
- for(chan = 0; chan < MAX_CHANNEL; chan++) {
- for(id = 0; id < MAX_ID; id++) {
- d = pHba->channel[chan].device[id];
- while(d) {
- seq_printf(m,"\t%-24.24s", d->pScsi_dev->vendor);
- seq_printf(m," Rev: %-8.8s\n", d->pScsi_dev->rev);
-
- unit = d->pI2o_dev->lct_data.tid;
- seq_printf(m, "\tTID=%d, (Channel=%d, Target=%d, Lun=%llu) (%s)\n\n",
- unit, (int)d->scsi_channel, (int)d->scsi_id, d->scsi_lun,
- scsi_device_online(d->pScsi_dev)? "online":"offline");
- d = d->next_lun;
- }
- }
- }
- return 0;
-}
-
-/*
- * Turn a pointer to ioctl reply data into an u32 'context'
- */
-static u32 adpt_ioctl_to_context(adpt_hba * pHba, void *reply)
-{
-#if BITS_PER_LONG == 32
- return (u32)(unsigned long)reply;
-#else
- ulong flags = 0;
- u32 nr, i;
-
- spin_lock_irqsave(pHba->host->host_lock, flags);
- nr = ARRAY_SIZE(pHba->ioctl_reply_context);
- for (i = 0; i < nr; i++) {
- if (pHba->ioctl_reply_context[i] == NULL) {
- pHba->ioctl_reply_context[i] = reply;
- break;
- }
- }
- spin_unlock_irqrestore(pHba->host->host_lock, flags);
- if (i >= nr) {
- printk(KERN_WARNING"%s: Too many outstanding "
- "ioctl commands\n", pHba->name);
- return (u32)-1;
- }
-
- return i;
-#endif
-}
-
-/*
- * Go from an u32 'context' to a pointer to ioctl reply data.
- */
-static void *adpt_ioctl_from_context(adpt_hba *pHba, u32 context)
-{
-#if BITS_PER_LONG == 32
- return (void *)(unsigned long)context;
-#else
- void *p = pHba->ioctl_reply_context[context];
- pHba->ioctl_reply_context[context] = NULL;
-
- return p;
-#endif
-}
-
-/*===========================================================================
- * Error Handling routines
- *===========================================================================
- */
-
-static int adpt_abort(struct scsi_cmnd * cmd)
-{
- adpt_hba* pHba = NULL; /* host bus adapter structure */
- struct adpt_device* dptdevice; /* dpt per device information */
- u32 msg[5];
- int rcode;
-
- pHba = (adpt_hba*) cmd->device->host->hostdata[0];
- printk(KERN_INFO"%s: Trying to Abort\n",pHba->name);
- if ((dptdevice = (void*) (cmd->device->hostdata)) == NULL) {
- printk(KERN_ERR "%s: Unable to abort: No device in cmnd\n",pHba->name);
- return FAILED;
- }
-
- memset(msg, 0, sizeof(msg));
- msg[0] = FIVE_WORD_MSG_SIZE|SGL_OFFSET_0;
- msg[1] = I2O_CMD_SCSI_ABORT<<24|HOST_TID<<12|dptdevice->tid;
- msg[2] = 0;
- msg[3]= 0;
- /* Add 1 to avoid firmware treating it as invalid command */
- msg[4] = scsi_cmd_to_rq(cmd)->tag + 1;
- if (pHba->host)
- spin_lock_irq(pHba->host->host_lock);
- rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER);
- if (pHba->host)
- spin_unlock_irq(pHba->host->host_lock);
- if (rcode != 0) {
- if(rcode == -EOPNOTSUPP ){
- printk(KERN_INFO"%s: Abort cmd not supported\n",pHba->name);
- return FAILED;
- }
- printk(KERN_INFO"%s: Abort failed.\n",pHba->name);
- return FAILED;
- }
- printk(KERN_INFO"%s: Abort complete.\n",pHba->name);
- return SUCCESS;
-}
-
-
-#define I2O_DEVICE_RESET 0x27
-// This is the same for BLK and SCSI devices
-// NOTE this is wrong in the i2o.h definitions
-// This is not currently supported by our adapter but we issue it anyway
-static int adpt_device_reset(struct scsi_cmnd* cmd)
-{
- adpt_hba* pHba;
- u32 msg[4];
- u32 rcode;
- int old_state;
- struct adpt_device* d = cmd->device->hostdata;
-
- pHba = (void*) cmd->device->host->hostdata[0];
- printk(KERN_INFO"%s: Trying to reset device\n",pHba->name);
- if (!d) {
- printk(KERN_INFO"%s: Reset Device: Device Not found\n",pHba->name);
- return FAILED;
- }
- memset(msg, 0, sizeof(msg));
- msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
- msg[1] = (I2O_DEVICE_RESET<<24|HOST_TID<<12|d->tid);
- msg[2] = 0;
- msg[3] = 0;
-
- if (pHba->host)
- spin_lock_irq(pHba->host->host_lock);
- old_state = d->state;
- d->state |= DPTI_DEV_RESET;
- rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER);
- d->state = old_state;
- if (pHba->host)
- spin_unlock_irq(pHba->host->host_lock);
- if (rcode != 0) {
- if(rcode == -EOPNOTSUPP ){
- printk(KERN_INFO"%s: Device reset not supported\n",pHba->name);
- return FAILED;
- }
- printk(KERN_INFO"%s: Device reset failed\n",pHba->name);
- return FAILED;
- } else {
- printk(KERN_INFO"%s: Device reset successful\n",pHba->name);
- return SUCCESS;
- }
-}
-
-
-#define I2O_HBA_BUS_RESET 0x87
-// This version of bus reset is called by the eh_error handler
-static int adpt_bus_reset(struct scsi_cmnd* cmd)
-{
- adpt_hba* pHba;
- u32 msg[4];
- u32 rcode;
-
- pHba = (adpt_hba*)cmd->device->host->hostdata[0];
- memset(msg, 0, sizeof(msg));
- printk(KERN_WARNING"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba->name, cmd->device->channel,pHba->channel[cmd->device->channel].tid );
- msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
- msg[1] = (I2O_HBA_BUS_RESET<<24|HOST_TID<<12|pHba->channel[cmd->device->channel].tid);
- msg[2] = 0;
- msg[3] = 0;
- if (pHba->host)
- spin_lock_irq(pHba->host->host_lock);
- rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER);
- if (pHba->host)
- spin_unlock_irq(pHba->host->host_lock);
- if (rcode != 0) {
- printk(KERN_WARNING"%s: Bus reset failed.\n",pHba->name);
- return FAILED;
- } else {
- printk(KERN_WARNING"%s: Bus reset success.\n",pHba->name);
- return SUCCESS;
- }
-}
-
-// This version of reset is called by the eh_error_handler
-static int __adpt_reset(struct scsi_cmnd* cmd)
-{
- adpt_hba* pHba;
- int rcode;
- char name[32];
-
- pHba = (adpt_hba*)cmd->device->host->hostdata[0];
- strncpy(name, pHba->name, sizeof(name));
- printk(KERN_WARNING"%s: Hba Reset: scsi id %d: tid: %d\n", name, cmd->device->channel, pHba->channel[cmd->device->channel].tid);
- rcode = adpt_hba_reset(pHba);
- if(rcode == 0){
- printk(KERN_WARNING"%s: HBA reset complete\n", name);
- return SUCCESS;
- } else {
- printk(KERN_WARNING"%s: HBA reset failed (%x)\n", name, rcode);
- return FAILED;
- }
-}
-
-static int adpt_reset(struct scsi_cmnd* cmd)
-{
- int rc;
-
- spin_lock_irq(cmd->device->host->host_lock);
- rc = __adpt_reset(cmd);
- spin_unlock_irq(cmd->device->host->host_lock);
-
- return rc;
-}
-
-// This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset
-static int adpt_hba_reset(adpt_hba* pHba)
-{
- int rcode;
-
- pHba->state |= DPTI_STATE_RESET;
-
- // Activate does get status , init outbound, and get hrt
- if ((rcode=adpt_i2o_activate_hba(pHba)) < 0) {
- printk(KERN_ERR "%s: Could not activate\n", pHba->name);
- adpt_i2o_delete_hba(pHba);
- return rcode;
- }
-
- if ((rcode=adpt_i2o_build_sys_table()) < 0) {
- adpt_i2o_delete_hba(pHba);
- return rcode;
- }
- PDEBUG("%s: in HOLD state\n",pHba->name);
-
- if ((rcode=adpt_i2o_online_hba(pHba)) < 0) {
- adpt_i2o_delete_hba(pHba);
- return rcode;
- }
- PDEBUG("%s: in OPERATIONAL state\n",pHba->name);
-
- if ((rcode=adpt_i2o_lct_get(pHba)) < 0){
- adpt_i2o_delete_hba(pHba);
- return rcode;
- }
-
- if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0){
- adpt_i2o_delete_hba(pHba);
- return rcode;
- }
- pHba->state &= ~DPTI_STATE_RESET;
-
- scsi_host_complete_all_commands(pHba->host, DID_RESET);
- return 0; /* return success */
-}
-
-/*===========================================================================
- *
- *===========================================================================
- */
-
-
-static void adpt_i2o_sys_shutdown(void)
-{
- adpt_hba *pHba, *pNext;
- struct adpt_i2o_post_wait_data *p1, *old;
-
- printk(KERN_INFO "Shutting down Adaptec I2O controllers.\n");
- printk(KERN_INFO " This could take a few minutes if there are many devices attached\n");
- /* Delete all IOPs from the controller chain */
- /* They should have already been released by the
- * scsi-core
- */
- for (pHba = hba_chain; pHba; pHba = pNext) {
- pNext = pHba->next;
- adpt_i2o_delete_hba(pHba);
- }
-
- /* Remove any timedout entries from the wait queue. */
-// spin_lock_irqsave(&adpt_post_wait_lock, flags);
- /* Nothing should be outstanding at this point so just
- * free them
- */
- for(p1 = adpt_post_wait_queue; p1;) {
- old = p1;
- p1 = p1->next;
- kfree(old);
- }
-// spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
- adpt_post_wait_queue = NULL;
-
- printk(KERN_INFO "Adaptec I2O controllers down.\n");
-}
-
-static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev)
-{
-
- adpt_hba* pHba = NULL;
- adpt_hba* p = NULL;
- ulong base_addr0_phys = 0;
- ulong base_addr1_phys = 0;
- u32 hba_map0_area_size = 0;
- u32 hba_map1_area_size = 0;
- void __iomem *base_addr_virt = NULL;
- void __iomem *msg_addr_virt = NULL;
- int dma64 = 0;
-
- int raptorFlag = FALSE;
-
- if(pci_enable_device(pDev)) {
- return -EINVAL;
- }
-
- if (pci_request_regions(pDev, "dpt_i2o")) {
- PERROR("dpti: adpt_config_hba: pci request region failed\n");
- return -EINVAL;
- }
-
- pci_set_master(pDev);
-
- /*
- * See if we should enable dma64 mode.
- */
- if (sizeof(dma_addr_t) > 4 &&
- dma_get_required_mask(&pDev->dev) > DMA_BIT_MASK(32) &&
- dma_set_mask(&pDev->dev, DMA_BIT_MASK(64)) == 0)
- dma64 = 1;
-
- if (!dma64 && dma_set_mask(&pDev->dev, DMA_BIT_MASK(32)) != 0)
- return -EINVAL;
-
- /* adapter only supports message blocks below 4GB */
- dma_set_coherent_mask(&pDev->dev, DMA_BIT_MASK(32));
-
- base_addr0_phys = pci_resource_start(pDev,0);
- hba_map0_area_size = pci_resource_len(pDev,0);
-
- // Check if standard PCI card or single BAR Raptor
- if(pDev->device == PCI_DPT_DEVICE_ID){
- if(pDev->subsystem_device >=0xc032 && pDev->subsystem_device <= 0xc03b){
- // Raptor card with this device id needs 4M
- hba_map0_area_size = 0x400000;
- } else { // Not Raptor - it is a PCI card
- if(hba_map0_area_size > 0x100000 ){
- hba_map0_area_size = 0x100000;
- }
- }
- } else {// Raptor split BAR config
- // Use BAR1 in this configuration
- base_addr1_phys = pci_resource_start(pDev,1);
- hba_map1_area_size = pci_resource_len(pDev,1);
- raptorFlag = TRUE;
- }
-
-#if BITS_PER_LONG == 64
- /*
- * The original Adaptec 64 bit driver has this comment here:
- * "x86_64 machines need more optimal mappings"
- *
- * I assume some HBAs report ridiculously large mappings
- * and we need to limit them on platforms with IOMMUs.
- */
- if (raptorFlag == TRUE) {
- if (hba_map0_area_size > 128)
- hba_map0_area_size = 128;
- if (hba_map1_area_size > 524288)
- hba_map1_area_size = 524288;
- } else {
- if (hba_map0_area_size > 524288)
- hba_map0_area_size = 524288;
- }
-#endif
-
- base_addr_virt = ioremap(base_addr0_phys,hba_map0_area_size);
- if (!base_addr_virt) {
- pci_release_regions(pDev);
- PERROR("dpti: adpt_config_hba: io remap failed\n");
- return -EINVAL;
- }
-
- if(raptorFlag == TRUE) {
- msg_addr_virt = ioremap(base_addr1_phys, hba_map1_area_size );
- if (!msg_addr_virt) {
- PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n");
- iounmap(base_addr_virt);
- pci_release_regions(pDev);
- return -EINVAL;
- }
- } else {
- msg_addr_virt = base_addr_virt;
- }
-
- // Allocate and zero the data structure
- pHba = kzalloc(sizeof(adpt_hba), GFP_KERNEL);
- if (!pHba) {
- if (msg_addr_virt != base_addr_virt)
- iounmap(msg_addr_virt);
- iounmap(base_addr_virt);
- pci_release_regions(pDev);
- return -ENOMEM;
- }
-
- mutex_lock(&adpt_configuration_lock);
-
- if(hba_chain != NULL){
- for(p = hba_chain; p->next; p = p->next);
- p->next = pHba;
- } else {
- hba_chain = pHba;
- }
- pHba->next = NULL;
- pHba->unit = hba_count;
- sprintf(pHba->name, "dpti%d", hba_count);
- hba_count++;
-
- mutex_unlock(&adpt_configuration_lock);
-
- pHba->pDev = pDev;
- pHba->base_addr_phys = base_addr0_phys;
-
- // Set up the Virtual Base Address of the I2O Device
- pHba->base_addr_virt = base_addr_virt;
- pHba->msg_addr_virt = msg_addr_virt;
- pHba->irq_mask = base_addr_virt+0x30;
- pHba->post_port = base_addr_virt+0x40;
- pHba->reply_port = base_addr_virt+0x44;
-
- pHba->hrt = NULL;
- pHba->lct = NULL;
- pHba->lct_size = 0;
- pHba->status_block = NULL;
- pHba->post_count = 0;
- pHba->state = DPTI_STATE_RESET;
- pHba->pDev = pDev;
- pHba->devices = NULL;
- pHba->dma64 = dma64;
-
- // Initializing the spinlocks
- spin_lock_init(&pHba->state_lock);
-
- if(raptorFlag == 0){
- printk(KERN_INFO "Adaptec I2O RAID controller"
- " %d at %p size=%x irq=%d%s\n",
- hba_count-1, base_addr_virt,
- hba_map0_area_size, pDev->irq,
- dma64 ? " (64-bit DMA)" : "");
- } else {
- printk(KERN_INFO"Adaptec I2O RAID controller %d irq=%d%s\n",
- hba_count-1, pDev->irq,
- dma64 ? " (64-bit DMA)" : "");
- printk(KERN_INFO" BAR0 %p - size= %x\n",base_addr_virt,hba_map0_area_size);
- printk(KERN_INFO" BAR1 %p - size= %x\n",msg_addr_virt,hba_map1_area_size);
- }
-
- if (request_irq (pDev->irq, adpt_isr, IRQF_SHARED, pHba->name, pHba)) {
- printk(KERN_ERR"%s: Couldn't register IRQ %d\n", pHba->name, pDev->irq);
- adpt_i2o_delete_hba(pHba);
- return -EINVAL;
- }
-
- return 0;
-}
-
-
-static void adpt_i2o_delete_hba(adpt_hba* pHba)
-{
- adpt_hba* p1;
- adpt_hba* p2;
- struct i2o_device* d;
- struct i2o_device* next;
- int i;
- int j;
- struct adpt_device* pDev;
- struct adpt_device* pNext;
-
-
- mutex_lock(&adpt_configuration_lock);
- if(pHba->host){
- free_irq(pHba->host->irq, pHba);
- }
- p2 = NULL;
- for( p1 = hba_chain; p1; p2 = p1,p1=p1->next){
- if(p1 == pHba) {
- if(p2) {
- p2->next = p1->next;
- } else {
- hba_chain = p1->next;
- }
- break;
- }
- }
-
- hba_count--;
- mutex_unlock(&adpt_configuration_lock);
-
- iounmap(pHba->base_addr_virt);
- pci_release_regions(pHba->pDev);
- if(pHba->msg_addr_virt != pHba->base_addr_virt){
- iounmap(pHba->msg_addr_virt);
- }
- if(pHba->FwDebugBuffer_P)
- iounmap(pHba->FwDebugBuffer_P);
- if(pHba->hrt) {
- dma_free_coherent(&pHba->pDev->dev,
- pHba->hrt->num_entries * pHba->hrt->entry_len << 2,
- pHba->hrt, pHba->hrt_pa);
- }
- if(pHba->lct) {
- dma_free_coherent(&pHba->pDev->dev, pHba->lct_size,
- pHba->lct, pHba->lct_pa);
- }
- if(pHba->status_block) {
- dma_free_coherent(&pHba->pDev->dev, sizeof(i2o_status_block),
- pHba->status_block, pHba->status_block_pa);
- }
- if(pHba->reply_pool) {
- dma_free_coherent(&pHba->pDev->dev,
- pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
- pHba->reply_pool, pHba->reply_pool_pa);
- }
-
- for(d = pHba->devices; d ; d = next){
- next = d->next;
- kfree(d);
- }
- for(i = 0 ; i < pHba->top_scsi_channel ; i++){
- for(j = 0; j < MAX_ID; j++){
- if(pHba->channel[i].device[j] != NULL){
- for(pDev = pHba->channel[i].device[j]; pDev; pDev = pNext){
- pNext = pDev->next_lun;
- kfree(pDev);
- }
- }
- }
- }
- pci_dev_put(pHba->pDev);
- if (adpt_sysfs_class)
- device_destroy(adpt_sysfs_class,
- MKDEV(DPTI_I2O_MAJOR, pHba->unit));
- kfree(pHba);
-
- if(hba_count <= 0){
- unregister_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER);
- if (adpt_sysfs_class) {
- class_destroy(adpt_sysfs_class);
- adpt_sysfs_class = NULL;
- }
- }
-}
-
-static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u64 lun)
-{
- struct adpt_device* d;
-
- if (chan >= MAX_CHANNEL)
- return NULL;
-
- d = pHba->channel[chan].device[id];
- if(!d || d->tid == 0) {
- return NULL;
- }
-
- /* If it is the only lun at that address then this should match*/
- if(d->scsi_lun == lun){
- return d;
- }
-
- /* else we need to look through all the luns */
- for(d=d->next_lun ; d ; d = d->next_lun){
- if(d->scsi_lun == lun){
- return d;
- }
- }
- return NULL;
-}
-
-
-static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout)
-{
- // I used my own version of the WAIT_QUEUE_HEAD
- // to handle some version differences
- // When embedded in the kernel this could go back to the vanilla one
- ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post);
- int status = 0;
- ulong flags = 0;
- struct adpt_i2o_post_wait_data *p1, *p2;
- struct adpt_i2o_post_wait_data *wait_data =
- kmalloc(sizeof(struct adpt_i2o_post_wait_data), GFP_ATOMIC);
- DECLARE_WAITQUEUE(wait, current);
-
- if (!wait_data)
- return -ENOMEM;
-
- /*
- * The spin locking is needed to keep anyone from playing
- * with the queue pointers and id while we do the same
- */
- spin_lock_irqsave(&adpt_post_wait_lock, flags);
- // TODO we need a MORE unique way of getting ids
- // to support async LCT get
- wait_data->next = adpt_post_wait_queue;
- adpt_post_wait_queue = wait_data;
- adpt_post_wait_id++;
- adpt_post_wait_id &= 0x7fff;
- wait_data->id = adpt_post_wait_id;
- spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
-
- wait_data->wq = &adpt_wq_i2o_post;
- wait_data->status = -ETIMEDOUT;
-
- add_wait_queue(&adpt_wq_i2o_post, &wait);
-
- msg[2] |= 0x80000000 | ((u32)wait_data->id);
- timeout *= HZ;
- if((status = adpt_i2o_post_this(pHba, msg, len)) == 0){
- set_current_state(TASK_INTERRUPTIBLE);
- if(pHba->host)
- spin_unlock_irq(pHba->host->host_lock);
- if (!timeout)
- schedule();
- else{
- timeout = schedule_timeout(timeout);
- if (timeout == 0) {
- // I/O issued, but cannot get result in
- // specified time. Freeing resorces is
- // dangerous.
- status = -ETIME;
- }
- }
- if(pHba->host)
- spin_lock_irq(pHba->host->host_lock);
- }
- remove_wait_queue(&adpt_wq_i2o_post, &wait);
-
- if(status == -ETIMEDOUT){
- printk(KERN_INFO"dpti%d: POST WAIT TIMEOUT\n",pHba->unit);
- // We will have to free the wait_data memory during shutdown
- return status;
- }
-
- /* Remove the entry from the queue. */
- p2 = NULL;
- spin_lock_irqsave(&adpt_post_wait_lock, flags);
- for(p1 = adpt_post_wait_queue; p1; p2 = p1, p1 = p1->next) {
- if(p1 == wait_data) {
- if(p1->status == I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION ) {
- status = -EOPNOTSUPP;
- }
- if(p2) {
- p2->next = p1->next;
- } else {
- adpt_post_wait_queue = p1->next;
- }
- break;
- }
- }
- spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
-
- kfree(wait_data);
-
- return status;
-}
-
-
-static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len)
-{
-
- u32 m = EMPTY_QUEUE;
- u32 __iomem *msg;
- ulong timeout = jiffies + 30*HZ;
- do {
- rmb();
- m = readl(pHba->post_port);
- if (m != EMPTY_QUEUE) {
- break;
- }
- if(time_after(jiffies,timeout)){
- printk(KERN_WARNING"dpti%d: Timeout waiting for message frame!\n", pHba->unit);
- return -ETIMEDOUT;
- }
- schedule_timeout_uninterruptible(1);
- } while(m == EMPTY_QUEUE);
-
- msg = pHba->msg_addr_virt + m;
- memcpy_toio(msg, data, len);
- wmb();
-
- //post message
- writel(m, pHba->post_port);
- wmb();
-
- return 0;
-}
-
-
-static void adpt_i2o_post_wait_complete(u32 context, int status)
-{
- struct adpt_i2o_post_wait_data *p1 = NULL;
- /*
- * We need to search through the adpt_post_wait
- * queue to see if the given message is still
- * outstanding. If not, it means that the IOP
- * took longer to respond to the message than we
- * had allowed and timer has already expired.
- * Not much we can do about that except log
- * it for debug purposes, increase timeout, and recompile
- *
- * Lock needed to keep anyone from moving queue pointers
- * around while we're looking through them.
- */
-
- context &= 0x7fff;
-
- spin_lock(&adpt_post_wait_lock);
- for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) {
- if(p1->id == context) {
- p1->status = status;
- spin_unlock(&adpt_post_wait_lock);
- wake_up_interruptible(p1->wq);
- return;
- }
- }
- spin_unlock(&adpt_post_wait_lock);
- // If this happens we lose commands that probably really completed
- printk(KERN_DEBUG"dpti: Could Not find task %d in wait queue\n",context);
- printk(KERN_DEBUG" Tasks in wait queue:\n");
- for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) {
- printk(KERN_DEBUG" %d\n",p1->id);
- }
- return;
-}
-
-static s32 adpt_i2o_reset_hba(adpt_hba* pHba)
-{
- u32 msg[8];
- u8* status;
- dma_addr_t addr;
- u32 m = EMPTY_QUEUE ;
- ulong timeout = jiffies + (TMOUT_IOPRESET*HZ);
-
- if(pHba->initialized == FALSE) { // First time reset should be quick
- timeout = jiffies + (25*HZ);
- } else {
- adpt_i2o_quiesce_hba(pHba);
- }
-
- do {
- rmb();
- m = readl(pHba->post_port);
- if (m != EMPTY_QUEUE) {
- break;
- }
- if(time_after(jiffies,timeout)){
- printk(KERN_WARNING"Timeout waiting for message!\n");
- return -ETIMEDOUT;
- }
- schedule_timeout_uninterruptible(1);
- } while (m == EMPTY_QUEUE);
-
- status = dma_alloc_coherent(&pHba->pDev->dev, 4, &addr, GFP_KERNEL);
- if(status == NULL) {
- adpt_send_nop(pHba, m);
- printk(KERN_ERR"IOP reset failed - no free memory.\n");
- return -ENOMEM;
- }
-
- msg[0]=EIGHT_WORD_MSG_SIZE|SGL_OFFSET_0;
- msg[1]=I2O_CMD_ADAPTER_RESET<<24|HOST_TID<<12|ADAPTER_TID;
- msg[2]=0;
- msg[3]=0;
- msg[4]=0;
- msg[5]=0;
- msg[6]=dma_low(addr);
- msg[7]=dma_high(addr);
-
- memcpy_toio(pHba->msg_addr_virt+m, msg, sizeof(msg));
- wmb();
- writel(m, pHba->post_port);
- wmb();
-
- while(*status == 0){
- if(time_after(jiffies,timeout)){
- printk(KERN_WARNING"%s: IOP Reset Timeout\n",pHba->name);
- /* We lose 4 bytes of "status" here, but we cannot
- free these because controller may awake and corrupt
- those bytes at any time */
- /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
- return -ETIMEDOUT;
- }
- rmb();
- schedule_timeout_uninterruptible(1);
- }
-
- if(*status == 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) {
- PDEBUG("%s: Reset in progress...\n", pHba->name);
- // Here we wait for message frame to become available
- // indicated that reset has finished
- do {
- rmb();
- m = readl(pHba->post_port);
- if (m != EMPTY_QUEUE) {
- break;
- }
- if(time_after(jiffies,timeout)){
- printk(KERN_ERR "%s:Timeout waiting for IOP Reset.\n",pHba->name);
- /* We lose 4 bytes of "status" here, but we
- cannot free these because controller may
- awake and corrupt those bytes at any time */
- /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
- return -ETIMEDOUT;
- }
- schedule_timeout_uninterruptible(1);
- } while (m == EMPTY_QUEUE);
- // Flush the offset
- adpt_send_nop(pHba, m);
- }
- adpt_i2o_status_get(pHba);
- if(*status == 0x02 ||
- pHba->status_block->iop_state != ADAPTER_STATE_RESET) {
- printk(KERN_WARNING"%s: Reset reject, trying to clear\n",
- pHba->name);
- } else {
- PDEBUG("%s: Reset completed.\n", pHba->name);
- }
-
- dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
-#ifdef UARTDELAY
- // This delay is to allow someone attached to the card through the debug UART to
- // set up the dump levels that they want before the rest of the initialization sequence
- adpt_delay(20000);
-#endif
- return 0;
-}
-
-
-static int adpt_i2o_parse_lct(adpt_hba* pHba)
-{
- int i;
- int max;
- int tid;
- struct i2o_device *d;
- i2o_lct *lct = pHba->lct;
- u8 bus_no = 0;
- s16 scsi_id;
- u64 scsi_lun;
- u32 buf[10]; // larger than 7, or 8 ...
- struct adpt_device* pDev;
-
- if (lct == NULL) {
- printk(KERN_ERR "%s: LCT is empty???\n",pHba->name);
- return -1;
- }
-
- max = lct->table_size;
- max -= 3;
- max /= 9;
-
- for(i=0;i<max;i++) {
- if( lct->lct_entry[i].user_tid != 0xfff){
- /*
- * If we have hidden devices, we need to inform the upper layers about
- * the possible maximum id reference to handle device access when
- * an array is disassembled. This code has no other purpose but to
- * allow us future access to devices that are currently hidden
- * behind arrays, hotspares or have not been configured (JBOD mode).
- */
- if( lct->lct_entry[i].class_id != I2O_CLASS_RANDOM_BLOCK_STORAGE &&
- lct->lct_entry[i].class_id != I2O_CLASS_SCSI_PERIPHERAL &&
- lct->lct_entry[i].class_id != I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
- continue;
- }
- tid = lct->lct_entry[i].tid;
- // I2O_DPT_DEVICE_INFO_GROUP_NO;
- if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) {
- continue;
- }
- bus_no = buf[0]>>16;
- scsi_id = buf[1];
- scsi_lun = scsilun_to_int((struct scsi_lun *)&buf[2]);
- if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
- printk(KERN_WARNING"%s: Channel number %d out of range \n", pHba->name, bus_no);
- continue;
- }
- if (scsi_id >= MAX_ID){
- printk(KERN_WARNING"%s: SCSI ID %d out of range \n", pHba->name, bus_no);
- continue;
- }
- if(bus_no > pHba->top_scsi_channel){
- pHba->top_scsi_channel = bus_no;
- }
- if(scsi_id > pHba->top_scsi_id){
- pHba->top_scsi_id = scsi_id;
- }
- if(scsi_lun > pHba->top_scsi_lun){
- pHba->top_scsi_lun = scsi_lun;
- }
- continue;
- }
- d = kmalloc(sizeof(struct i2o_device), GFP_KERNEL);
- if(d==NULL)
- {
- printk(KERN_CRIT"%s: Out of memory for I2O device data.\n",pHba->name);
- return -ENOMEM;
- }
-
- d->controller = pHba;
- d->next = NULL;
-
- memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
-
- d->flags = 0;
- tid = d->lct_data.tid;
- adpt_i2o_report_hba_unit(pHba, d);
- adpt_i2o_install_device(pHba, d);
- }
- bus_no = 0;
- for(d = pHba->devices; d ; d = d->next) {
- if(d->lct_data.class_id == I2O_CLASS_BUS_ADAPTER_PORT ||
- d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PORT){
- tid = d->lct_data.tid;
- // TODO get the bus_no from hrt-but for now they are in order
- //bus_no =
- if(bus_no > pHba->top_scsi_channel){
- pHba->top_scsi_channel = bus_no;
- }
- pHba->channel[bus_no].type = d->lct_data.class_id;
- pHba->channel[bus_no].tid = tid;
- if(adpt_i2o_query_scalar(pHba, tid, 0x0200, -1, buf, 28)>=0)
- {
- pHba->channel[bus_no].scsi_id = buf[1];
- PDEBUG("Bus %d - SCSI ID %d.\n", bus_no, buf[1]);
- }
- // TODO remove - this is just until we get from hrt
- bus_no++;
- if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
- printk(KERN_WARNING"%s: Channel number %d out of range - LCT\n", pHba->name, bus_no);
- break;
- }
- }
- }
-
- // Setup adpt_device table
- for(d = pHba->devices; d ; d = d->next) {
- if(d->lct_data.class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE ||
- d->lct_data.class_id == I2O_CLASS_SCSI_PERIPHERAL ||
- d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
-
- tid = d->lct_data.tid;
- scsi_id = -1;
- // I2O_DPT_DEVICE_INFO_GROUP_NO;
- if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)>=0) {
- bus_no = buf[0]>>16;
- scsi_id = buf[1];
- scsi_lun = scsilun_to_int((struct scsi_lun *)&buf[2]);
- if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
- continue;
- }
- if (scsi_id >= MAX_ID) {
- continue;
- }
- if( pHba->channel[bus_no].device[scsi_id] == NULL){
- pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
- if(pDev == NULL) {
- return -ENOMEM;
- }
- pHba->channel[bus_no].device[scsi_id] = pDev;
- } else {
- for( pDev = pHba->channel[bus_no].device[scsi_id];
- pDev->next_lun; pDev = pDev->next_lun){
- }
- pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
- if(pDev->next_lun == NULL) {
- return -ENOMEM;
- }
- pDev = pDev->next_lun;
- }
- pDev->tid = tid;
- pDev->scsi_channel = bus_no;
- pDev->scsi_id = scsi_id;
- pDev->scsi_lun = scsi_lun;
- pDev->pI2o_dev = d;
- d->owner = pDev;
- pDev->type = (buf[0])&0xff;
- pDev->flags = (buf[0]>>8)&0xff;
- if(scsi_id > pHba->top_scsi_id){
- pHba->top_scsi_id = scsi_id;
- }
- if(scsi_lun > pHba->top_scsi_lun){
- pHba->top_scsi_lun = scsi_lun;
- }
- }
- if(scsi_id == -1){
- printk(KERN_WARNING"Could not find SCSI ID for %s\n",
- d->lct_data.identity_tag);
- }
- }
- }
- return 0;
-}
-
-
-/*
- * Each I2O controller has a chain of devices on it - these match
- * the useful parts of the LCT of the board.
- */
-
-static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d)
-{
- mutex_lock(&adpt_configuration_lock);
- d->controller=pHba;
- d->owner=NULL;
- d->next=pHba->devices;
- d->prev=NULL;
- if (pHba->devices != NULL){
- pHba->devices->prev=d;
- }
- pHba->devices=d;
- *d->dev_name = 0;
-
- mutex_unlock(&adpt_configuration_lock);
- return 0;
-}
-
-static int adpt_open(struct inode *inode, struct file *file)
-{
- int minor;
- adpt_hba* pHba;
-
- mutex_lock(&adpt_mutex);
- //TODO check for root access
- //
- minor = iminor(inode);
- if (minor >= hba_count) {
- mutex_unlock(&adpt_mutex);
- return -ENXIO;
- }
- mutex_lock(&adpt_configuration_lock);
- for (pHba = hba_chain; pHba; pHba = pHba->next) {
- if (pHba->unit == minor) {
- break; /* found adapter */
- }
- }
- if (pHba == NULL) {
- mutex_unlock(&adpt_configuration_lock);
- mutex_unlock(&adpt_mutex);
- return -ENXIO;
- }
-
-// if(pHba->in_use){
- // mutex_unlock(&adpt_configuration_lock);
-// return -EBUSY;
-// }
-
- pHba->in_use = 1;
- mutex_unlock(&adpt_configuration_lock);
- mutex_unlock(&adpt_mutex);
-
- return 0;
-}
-
-static int adpt_close(struct inode *inode, struct file *file)
-{
- int minor;
- adpt_hba* pHba;
-
- minor = iminor(inode);
- if (minor >= hba_count) {
- return -ENXIO;
- }
- mutex_lock(&adpt_configuration_lock);
- for (pHba = hba_chain; pHba; pHba = pHba->next) {
- if (pHba->unit == minor) {
- break; /* found adapter */
- }
- }
- mutex_unlock(&adpt_configuration_lock);
- if (pHba == NULL) {
- return -ENXIO;
- }
-
- pHba->in_use = 0;
-
- return 0;
-}
-
-
-static int adpt_i2o_passthru(adpt_hba* pHba, u32 __user *arg)
-{
- u32 msg[MAX_MESSAGE_SIZE];
- u32* reply = NULL;
- u32 size = 0;
- u32 reply_size = 0;
- u32 __user *user_msg = arg;
- u32 __user * user_reply = NULL;
- void **sg_list = NULL;
- u32 sg_offset = 0;
- u32 sg_count = 0;
- int sg_index = 0;
- u32 i = 0;
- u32 rcode = 0;
- void *p = NULL;
- dma_addr_t addr;
- ulong flags = 0;
-
- memset(&msg, 0, MAX_MESSAGE_SIZE*4);
- // get user msg size in u32s
- if(get_user(size, &user_msg[0])){
- return -EFAULT;
- }
- size = size>>16;
-
- user_reply = &user_msg[size];
- if(size > MAX_MESSAGE_SIZE){
- return -EFAULT;
- }
- size *= 4; // Convert to bytes
-
- /* Copy in the user's I2O command */
- if(copy_from_user(msg, user_msg, size)) {
- return -EFAULT;
- }
- get_user(reply_size, &user_reply[0]);
- reply_size = reply_size>>16;
- if(reply_size > REPLY_FRAME_SIZE){
- reply_size = REPLY_FRAME_SIZE;
- }
- reply_size *= 4;
- reply = kzalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL);
- if(reply == NULL) {
- printk(KERN_WARNING"%s: Could not allocate reply buffer\n",pHba->name);
- return -ENOMEM;
- }
- sg_offset = (msg[0]>>4)&0xf;
- msg[2] = 0x40000000; // IOCTL context
- msg[3] = adpt_ioctl_to_context(pHba, reply);
- if (msg[3] == (u32)-1) {
- rcode = -EBUSY;
- goto free;
- }
-
- sg_list = kcalloc(pHba->sg_tablesize, sizeof(*sg_list), GFP_KERNEL);
- if (!sg_list) {
- rcode = -ENOMEM;
- goto free;
- }
- if(sg_offset) {
- // TODO add 64 bit API
- struct sg_simple_element *sg = (struct sg_simple_element*) (msg+sg_offset);
- sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element);
- if (sg_count > pHba->sg_tablesize){
- printk(KERN_DEBUG"%s:IOCTL SG List too large (%u)\n", pHba->name,sg_count);
- rcode = -EINVAL;
- goto free;
- }
-
- for(i = 0; i < sg_count; i++) {
- int sg_size;
-
- if (!(sg[i].flag_count & 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) {
- printk(KERN_DEBUG"%s:Bad SG element %d - not simple (%x)\n",pHba->name,i, sg[i].flag_count);
- rcode = -EINVAL;
- goto cleanup;
- }
- sg_size = sg[i].flag_count & 0xffffff;
- /* Allocate memory for the transfer */
- p = dma_alloc_coherent(&pHba->pDev->dev, sg_size, &addr, GFP_KERNEL);
- if(!p) {
- printk(KERN_DEBUG"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
- pHba->name,sg_size,i,sg_count);
- rcode = -ENOMEM;
- goto cleanup;
- }
- sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame.
- /* Copy in the user's SG buffer if necessary */
- if(sg[i].flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR*/) {
- // sg_simple_element API is 32 bit
- if (copy_from_user(p,(void __user *)(ulong)sg[i].addr_bus, sg_size)) {
- printk(KERN_DEBUG"%s: Could not copy SG buf %d FROM user\n",pHba->name,i);
- rcode = -EFAULT;
- goto cleanup;
- }
- }
- /* sg_simple_element API is 32 bit, but addr < 4GB */
- sg[i].addr_bus = addr;
- }
- }
-
- do {
- /*
- * Stop any new commands from enterring the
- * controller while processing the ioctl
- */
- if (pHba->host) {
- scsi_block_requests(pHba->host);
- spin_lock_irqsave(pHba->host->host_lock, flags);
- }
- rcode = adpt_i2o_post_wait(pHba, msg, size, FOREVER);
- if (rcode != 0)
- printk("adpt_i2o_passthru: post wait failed %d %p\n",
- rcode, reply);
- if (pHba->host) {
- spin_unlock_irqrestore(pHba->host->host_lock, flags);
- scsi_unblock_requests(pHba->host);
- }
- } while (rcode == -ETIMEDOUT);
-
- if(rcode){
- goto cleanup;
- }
-
- if(sg_offset) {
- /* Copy back the Scatter Gather buffers back to user space */
- u32 j;
- // TODO add 64 bit API
- struct sg_simple_element* sg;
- int sg_size;
-
- // re-acquire the original message to handle correctly the sg copy operation
- memset(&msg, 0, MAX_MESSAGE_SIZE*4);
- // get user msg size in u32s
- if(get_user(size, &user_msg[0])){
- rcode = -EFAULT;
- goto cleanup;
- }
- size = size>>16;
- size *= 4;
- if (size > MAX_MESSAGE_SIZE) {
- rcode = -EINVAL;
- goto cleanup;
- }
- /* Copy in the user's I2O command */
- if (copy_from_user (msg, user_msg, size)) {
- rcode = -EFAULT;
- goto cleanup;
- }
- sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element);
-
- // TODO add 64 bit API
- sg = (struct sg_simple_element*)(msg + sg_offset);
- for (j = 0; j < sg_count; j++) {
- /* Copy out the SG list to user's buffer if necessary */
- if(! (sg[j].flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) {
- sg_size = sg[j].flag_count & 0xffffff;
- // sg_simple_element API is 32 bit
- if (copy_to_user((void __user *)(ulong)sg[j].addr_bus,sg_list[j], sg_size)) {
- printk(KERN_WARNING"%s: Could not copy %p TO user %x\n",pHba->name, sg_list[j], sg[j].addr_bus);
- rcode = -EFAULT;
- goto cleanup;
- }
- }
- }
- }
-
- /* Copy back the reply to user space */
- if (reply_size) {
- // we wrote our own values for context - now restore the user supplied ones
- if(copy_from_user(reply+2, user_msg+2, sizeof(u32)*2)) {
- printk(KERN_WARNING"%s: Could not copy message context FROM user\n",pHba->name);
- rcode = -EFAULT;
- }
- if(copy_to_user(user_reply, reply, reply_size)) {
- printk(KERN_WARNING"%s: Could not copy reply TO user\n",pHba->name);
- rcode = -EFAULT;
- }
- }
-
-
-cleanup:
- if (rcode != -ETIME && rcode != -EINTR) {
- struct sg_simple_element *sg =
- (struct sg_simple_element*) (msg +sg_offset);
- while(sg_index) {
- if(sg_list[--sg_index]) {
- dma_free_coherent(&pHba->pDev->dev,
- sg[sg_index].flag_count & 0xffffff,
- sg_list[sg_index],
- sg[sg_index].addr_bus);
- }
- }
- }
-
-free:
- kfree(sg_list);
- kfree(reply);
- return rcode;
-}
-
-#if defined __ia64__
-static void adpt_ia64_info(sysInfo_S* si)
-{
- // This is all the info we need for now
- // We will add more info as our new
- // managmenent utility requires it
- si->processorType = PROC_IA64;
-}
-#endif
-
-#if defined __sparc__
-static void adpt_sparc_info(sysInfo_S* si)
-{
- // This is all the info we need for now
- // We will add more info as our new
- // managmenent utility requires it
- si->processorType = PROC_ULTRASPARC;
-}
-#endif
-#if defined __alpha__
-static void adpt_alpha_info(sysInfo_S* si)
-{
- // This is all the info we need for now
- // We will add more info as our new
- // managmenent utility requires it
- si->processorType = PROC_ALPHA;
-}
-#endif
-
-#if defined __i386__
-
-#include <uapi/asm/vm86.h>
-
-static void adpt_i386_info(sysInfo_S* si)
-{
- // This is all the info we need for now
- // We will add more info as our new
- // managmenent utility requires it
- switch (boot_cpu_data.x86) {
- case CPU_386:
- si->processorType = PROC_386;
- break;
- case CPU_486:
- si->processorType = PROC_486;
- break;
- case CPU_586:
- si->processorType = PROC_PENTIUM;
- break;
- default: // Just in case
- si->processorType = PROC_PENTIUM;
- break;
- }
-}
-#endif
-
-/*
- * This routine returns information about the system. This does not effect
- * any logic and if the info is wrong - it doesn't matter.
- */
-
-/* Get all the info we can not get from kernel services */
-static int adpt_system_info(void __user *buffer)
-{
- sysInfo_S si;
-
- memset(&si, 0, sizeof(si));
-
- si.osType = OS_LINUX;
- si.osMajorVersion = 0;
- si.osMinorVersion = 0;
- si.osRevision = 0;
- si.busType = SI_PCI_BUS;
- si.processorFamily = DPTI_sig.dsProcessorFamily;
-
-#if defined __i386__
- adpt_i386_info(&si);
-#elif defined (__ia64__)
- adpt_ia64_info(&si);
-#elif defined(__sparc__)
- adpt_sparc_info(&si);
-#elif defined (__alpha__)
- adpt_alpha_info(&si);
-#else
- si.processorType = 0xff ;
-#endif
- if (copy_to_user(buffer, &si, sizeof(si))){
- printk(KERN_WARNING"dpti: Could not copy buffer TO user\n");
- return -EFAULT;
- }
-
- return 0;
-}
-
-static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
-{
- int minor;
- int error = 0;
- adpt_hba* pHba;
- ulong flags = 0;
- void __user *argp = (void __user *)arg;
-
- minor = iminor(inode);
- if (minor >= DPTI_MAX_HBA){
- return -ENXIO;
- }
- mutex_lock(&adpt_configuration_lock);
- for (pHba = hba_chain; pHba; pHba = pHba->next) {
- if (pHba->unit == minor) {
- break; /* found adapter */
- }
- }
- mutex_unlock(&adpt_configuration_lock);
- if(pHba == NULL){
- return -ENXIO;
- }
-
- while((volatile u32) pHba->state & DPTI_STATE_RESET )
- schedule_timeout_uninterruptible(2);
-
- switch (cmd) {
- // TODO: handle 3 cases
- case DPT_SIGNATURE:
- if (copy_to_user(argp, &DPTI_sig, sizeof(DPTI_sig))) {
- return -EFAULT;
- }
- break;
- case I2OUSRCMD:
- return adpt_i2o_passthru(pHba, argp);
-
- case DPT_CTRLINFO:{
- drvrHBAinfo_S HbaInfo;
-
-#define FLG_OSD_PCI_VALID 0x0001
-#define FLG_OSD_DMA 0x0002
-#define FLG_OSD_I2O 0x0004
- memset(&HbaInfo, 0, sizeof(HbaInfo));
- HbaInfo.drvrHBAnum = pHba->unit;
- HbaInfo.baseAddr = (ulong) pHba->base_addr_phys;
- HbaInfo.blinkState = adpt_read_blink_led(pHba);
- HbaInfo.pciBusNum = pHba->pDev->bus->number;
- HbaInfo.pciDeviceNum=PCI_SLOT(pHba->pDev->devfn);
- HbaInfo.Interrupt = pHba->pDev->irq;
- HbaInfo.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O;
- if(copy_to_user(argp, &HbaInfo, sizeof(HbaInfo))){
- printk(KERN_WARNING"%s: Could not copy HbaInfo TO user\n",pHba->name);
- return -EFAULT;
- }
- break;
- }
- case DPT_SYSINFO:
- return adpt_system_info(argp);
- case DPT_BLINKLED:{
- u32 value;
- value = (u32)adpt_read_blink_led(pHba);
- if (copy_to_user(argp, &value, sizeof(value))) {
- return -EFAULT;
- }
- break;
- }
- case I2ORESETCMD: {
- struct Scsi_Host *shost = pHba->host;
-
- if (shost)
- spin_lock_irqsave(shost->host_lock, flags);
- adpt_hba_reset(pHba);
- if (shost)
- spin_unlock_irqrestore(shost->host_lock, flags);
- break;
- }
- case I2ORESCANCMD:
- adpt_rescan(pHba);
- break;
- default:
- return -EINVAL;
- }
-
- return error;
-}
-
-static long adpt_unlocked_ioctl(struct file *file, uint cmd, ulong arg)
-{
- struct inode *inode;
- long ret;
-
- inode = file_inode(file);
-
- mutex_lock(&adpt_mutex);
- ret = adpt_ioctl(inode, file, cmd, arg);
- mutex_unlock(&adpt_mutex);
-
- return ret;
-}
-
-#ifdef CONFIG_COMPAT
-static long compat_adpt_ioctl(struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- struct inode *inode;
- long ret;
-
- inode = file_inode(file);
-
- mutex_lock(&adpt_mutex);
-
- switch(cmd) {
- case DPT_SIGNATURE:
- case I2OUSRCMD:
- case DPT_CTRLINFO:
- case DPT_SYSINFO:
- case DPT_BLINKLED:
- case I2ORESETCMD:
- case I2ORESCANCMD:
- case (DPT_TARGET_BUSY & 0xFFFF):
- case DPT_TARGET_BUSY:
- ret = adpt_ioctl(inode, file, cmd, arg);
- break;
- default:
- ret = -ENOIOCTLCMD;
- }
-
- mutex_unlock(&adpt_mutex);
-
- return ret;
-}
-#endif
-
-static irqreturn_t adpt_isr(int irq, void *dev_id)
-{
- struct scsi_cmnd* cmd;
- adpt_hba* pHba = dev_id;
- u32 m;
- void __iomem *reply;
- u32 status=0;
- u32 context;
- ulong flags = 0;
- int handled = 0;
-
- if (pHba == NULL){
- printk(KERN_WARNING"adpt_isr: NULL dev_id\n");
- return IRQ_NONE;
- }
- if(pHba->host)
- spin_lock_irqsave(pHba->host->host_lock, flags);
-
- while( readl(pHba->irq_mask) & I2O_INTERRUPT_PENDING_B) {
- m = readl(pHba->reply_port);
- if(m == EMPTY_QUEUE){
- // Try twice then give up
- rmb();
- m = readl(pHba->reply_port);
- if(m == EMPTY_QUEUE){
- // This really should not happen
- printk(KERN_ERR"dpti: Could not get reply frame\n");
- goto out;
- }
- }
- if (pHba->reply_pool_pa <= m &&
- m < pHba->reply_pool_pa +
- (pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4)) {
- reply = (u8 *)pHba->reply_pool +
- (m - pHba->reply_pool_pa);
- } else {
- /* Ick, we should *never* be here */
- printk(KERN_ERR "dpti: reply frame not from pool\n");
- reply = (u8 *)bus_to_virt(m);
- }
-
- if (readl(reply) & MSG_FAIL) {
- u32 old_m = readl(reply+28);
- void __iomem *msg;
- u32 old_context;
- PDEBUG("%s: Failed message\n",pHba->name);
- if(old_m >= 0x100000){
- printk(KERN_ERR"%s: Bad preserved MFA (%x)- dropping frame\n",pHba->name,old_m);
- writel(m,pHba->reply_port);
- continue;
- }
- // Transaction context is 0 in failed reply frame
- msg = pHba->msg_addr_virt + old_m;
- old_context = readl(msg+12);
- writel(old_context, reply+12);
- adpt_send_nop(pHba, old_m);
- }
- context = readl(reply+8);
- if(context & 0x40000000){ // IOCTL
- void *p = adpt_ioctl_from_context(pHba, readl(reply+12));
- if( p != NULL) {
- memcpy_fromio(p, reply, REPLY_FRAME_SIZE * 4);
- }
- // All IOCTLs will also be post wait
- }
- if(context & 0x80000000){ // Post wait message
- status = readl(reply+16);
- if(status >> 24){
- status &= 0xffff; /* Get detail status */
- } else {
- status = I2O_POST_WAIT_OK;
- }
- if(!(context & 0x40000000)) {
- /*
- * The request tag is one less than the command tag
- * as the firmware might treat a 0 tag as invalid
- */
- cmd = scsi_host_find_tag(pHba->host,
- readl(reply + 12) - 1);
- if(cmd != NULL) {
- printk(KERN_WARNING"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba->name, cmd, context);
- }
- }
- adpt_i2o_post_wait_complete(context, status);
- } else { // SCSI message
- /*
- * The request tag is one less than the command tag
- * as the firmware might treat a 0 tag as invalid
- */
- cmd = scsi_host_find_tag(pHba->host,
- readl(reply + 12) - 1);
- if(cmd != NULL){
- scsi_dma_unmap(cmd);
- adpt_i2o_scsi_complete(reply, cmd);
- }
- }
- writel(m, pHba->reply_port);
- wmb();
- rmb();
- }
- handled = 1;
-out: if(pHba->host)
- spin_unlock_irqrestore(pHba->host->host_lock, flags);
- return IRQ_RETVAL(handled);
-}
-
-static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* d)
-{
- int i;
- u32 msg[MAX_MESSAGE_SIZE];
- u32* mptr;
- u32* lptr;
- u32 *lenptr;
- int direction;
- int scsidir;
- int nseg;
- u32 len;
- u32 reqlen;
- s32 rcode;
- dma_addr_t addr;
-
- memset(msg, 0 , sizeof(msg));
- len = scsi_bufflen(cmd);
- direction = 0x00000000;
-
- scsidir = 0x00000000; // DATA NO XFER
- if(len) {
- /*
- * Set SCBFlags to indicate if data is being transferred
- * in or out, or no data transfer
- * Note: Do not have to verify index is less than 0 since
- * cmd->cmnd[0] is an unsigned char
- */
- switch(cmd->sc_data_direction){
- case DMA_FROM_DEVICE:
- scsidir =0x40000000; // DATA IN (iop<--dev)
- break;
- case DMA_TO_DEVICE:
- direction=0x04000000; // SGL OUT
- scsidir =0x80000000; // DATA OUT (iop-->dev)
- break;
- case DMA_NONE:
- break;
- case DMA_BIDIRECTIONAL:
- scsidir =0x40000000; // DATA IN (iop<--dev)
- // Assume In - and continue;
- break;
- default:
- printk(KERN_WARNING"%s: scsi opcode 0x%x not supported.\n",
- pHba->name, cmd->cmnd[0]);
- cmd->result = (DID_ERROR <<16);
- scsi_done(cmd);
- return 0;
- }
- }
- // msg[0] is set later
- // I2O_CMD_SCSI_EXEC
- msg[1] = ((0xff<<24)|(HOST_TID<<12)|d->tid);
- msg[2] = 0;
- /* Add 1 to avoid firmware treating it as invalid command */
- msg[3] = scsi_cmd_to_rq(cmd)->tag + 1;
- // Our cards use the transaction context as the tag for queueing
- // Adaptec/DPT Private stuff
- msg[4] = I2O_CMD_SCSI_EXEC|(DPT_ORGANIZATION_ID<<16);
- msg[5] = d->tid;
- /* Direction, disconnect ok | sense data | simple queue , CDBLen */
- // I2O_SCB_FLAG_ENABLE_DISCONNECT |
- // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
- // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
- msg[6] = scsidir|0x20a00000|cmd->cmd_len;
-
- mptr=msg+7;
-
- // Write SCSI command into the message - always 16 byte block
- memset(mptr, 0, 16);
- memcpy(mptr, cmd->cmnd, cmd->cmd_len);
- mptr+=4;
- lenptr=mptr++; /* Remember me - fill in when we know */
- if (dpt_dma64(pHba)) {
- reqlen = 16; // SINGLE SGE
- *mptr++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
- *mptr++ = 1 << PAGE_SHIFT;
- } else {
- reqlen = 14; // SINGLE SGE
- }
- /* Now fill in the SGList and command */
-
- nseg = scsi_dma_map(cmd);
- BUG_ON(nseg < 0);
- if (nseg) {
- struct scatterlist *sg;
-
- len = 0;
- scsi_for_each_sg(cmd, sg, nseg, i) {
- lptr = mptr;
- *mptr++ = direction|0x10000000|sg_dma_len(sg);
- len+=sg_dma_len(sg);
- addr = sg_dma_address(sg);
- *mptr++ = dma_low(addr);
- if (dpt_dma64(pHba))
- *mptr++ = dma_high(addr);
- /* Make this an end of list */
- if (i == nseg - 1)
- *lptr = direction|0xD0000000|sg_dma_len(sg);
- }
- reqlen = mptr - msg;
- *lenptr = len;
-
- if(cmd->underflow && len != cmd->underflow){
- printk(KERN_WARNING"Cmd len %08X Cmd underflow %08X\n",
- len, cmd->underflow);
- }
- } else {
- *lenptr = len = 0;
- reqlen = 12;
- }
-
- /* Stick the headers on */
- msg[0] = reqlen<<16 | ((reqlen > 12) ? SGL_OFFSET_12 : SGL_OFFSET_0);
-
- // Send it on it's way
- rcode = adpt_i2o_post_this(pHba, msg, reqlen<<2);
- if (rcode == 0) {
- return 0;
- }
- return rcode;
-}
-
-
-static s32 adpt_scsi_host_alloc(adpt_hba* pHba, struct scsi_host_template *sht)
-{
- struct Scsi_Host *host;
-
- host = scsi_host_alloc(sht, sizeof(adpt_hba*));
- if (host == NULL) {
- printk("%s: scsi_host_alloc returned NULL\n", pHba->name);
- return -1;
- }
- host->hostdata[0] = (unsigned long)pHba;
- pHba->host = host;
-
- host->irq = pHba->pDev->irq;
- /* no IO ports, so don't have to set host->io_port and
- * host->n_io_port
- */
- host->io_port = 0;
- host->n_io_port = 0;
- /* see comments in scsi_host.h */
- host->max_id = 16;
- host->max_lun = 256;
- host->max_channel = pHba->top_scsi_channel + 1;
- host->cmd_per_lun = 1;
- host->unique_id = (u32)sys_tbl_pa + pHba->unit;
- host->sg_tablesize = pHba->sg_tablesize;
- host->can_queue = pHba->post_fifo_size;
-
- return 0;
-}
-
-
-static void adpt_i2o_scsi_complete(void __iomem *reply, struct scsi_cmnd *cmd)
-{
- adpt_hba* pHba;
- u32 hba_status;
- u32 dev_status;
- u32 reply_flags = readl(reply) & 0xff00; // Leave it shifted up 8 bits
- // I know this would look cleaner if I just read bytes
- // but the model I have been using for all the rest of the
- // io is in 4 byte words - so I keep that model
- u16 detailed_status = readl(reply+16) &0xffff;
- dev_status = (detailed_status & 0xff);
- hba_status = detailed_status >> 8;
-
- // calculate resid for sg
- scsi_set_resid(cmd, scsi_bufflen(cmd) - readl(reply+20));
-
- pHba = (adpt_hba*) cmd->device->host->hostdata[0];
-
- cmd->sense_buffer[0] = '\0'; // initialize sense valid flag to false
-
- if(!(reply_flags & MSG_FAIL)) {
- switch(detailed_status & I2O_SCSI_DSC_MASK) {
- case I2O_SCSI_DSC_SUCCESS:
- cmd->result = (DID_OK << 16);
- // handle underflow
- if (readl(reply+20) < cmd->underflow) {
- cmd->result = (DID_ERROR <<16);
- printk(KERN_WARNING"%s: SCSI CMD underflow\n",pHba->name);
- }
- break;
- case I2O_SCSI_DSC_REQUEST_ABORTED:
- cmd->result = (DID_ABORT << 16);
- break;
- case I2O_SCSI_DSC_PATH_INVALID:
- case I2O_SCSI_DSC_DEVICE_NOT_PRESENT:
- case I2O_SCSI_DSC_SELECTION_TIMEOUT:
- case I2O_SCSI_DSC_COMMAND_TIMEOUT:
- case I2O_SCSI_DSC_NO_ADAPTER:
- case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE:
- printk(KERN_WARNING"%s: SCSI Timeout-Device (%d,%d,%llu) hba status=0x%x, dev status=0x%x, cmd=0x%x\n",
- pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun, hba_status, dev_status, cmd->cmnd[0]);
- cmd->result = (DID_TIME_OUT << 16);
- break;
- case I2O_SCSI_DSC_ADAPTER_BUSY:
- case I2O_SCSI_DSC_BUS_BUSY:
- cmd->result = (DID_BUS_BUSY << 16);
- break;
- case I2O_SCSI_DSC_SCSI_BUS_RESET:
- case I2O_SCSI_DSC_BDR_MESSAGE_SENT:
- cmd->result = (DID_RESET << 16);
- break;
- case I2O_SCSI_DSC_PARITY_ERROR_FAILURE:
- printk(KERN_WARNING"%s: SCSI CMD parity error\n",pHba->name);
- cmd->result = (DID_PARITY << 16);
- break;
- case I2O_SCSI_DSC_UNABLE_TO_ABORT:
- case I2O_SCSI_DSC_COMPLETE_WITH_ERROR:
- case I2O_SCSI_DSC_UNABLE_TO_TERMINATE:
- case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED:
- case I2O_SCSI_DSC_AUTOSENSE_FAILED:
- case I2O_SCSI_DSC_DATA_OVERRUN:
- case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE:
- case I2O_SCSI_DSC_SEQUENCE_FAILURE:
- case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR:
- case I2O_SCSI_DSC_PROVIDE_FAILURE:
- case I2O_SCSI_DSC_REQUEST_TERMINATED:
- case I2O_SCSI_DSC_IDE_MESSAGE_SENT:
- case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT:
- case I2O_SCSI_DSC_MESSAGE_RECEIVED:
- case I2O_SCSI_DSC_INVALID_CDB:
- case I2O_SCSI_DSC_LUN_INVALID:
- case I2O_SCSI_DSC_SCSI_TID_INVALID:
- case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE:
- case I2O_SCSI_DSC_NO_NEXUS:
- case I2O_SCSI_DSC_CDB_RECEIVED:
- case I2O_SCSI_DSC_LUN_ALREADY_ENABLED:
- case I2O_SCSI_DSC_QUEUE_FROZEN:
- case I2O_SCSI_DSC_REQUEST_INVALID:
- default:
- printk(KERN_WARNING"%s: SCSI error %0x-Device(%d,%d,%llu) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
- pHba->name, detailed_status & I2O_SCSI_DSC_MASK, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun,
- hba_status, dev_status, cmd->cmnd[0]);
- cmd->result = (DID_ERROR << 16);
- break;
- }
-
- // copy over the request sense data if it was a check
- // condition status
- if (dev_status == SAM_STAT_CHECK_CONDITION) {
- u32 len = min(SCSI_SENSE_BUFFERSIZE, 40);
- // Copy over the sense data
- memcpy_fromio(cmd->sense_buffer, (reply+28) , len);
- if(cmd->sense_buffer[0] == 0x70 /* class 7 */ &&
- cmd->sense_buffer[2] == DATA_PROTECT ){
- /* This is to handle an array failed */
- cmd->result = (DID_TIME_OUT << 16);
- printk(KERN_WARNING"%s: SCSI Data Protect-Device (%d,%d,%llu) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
- pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun,
- hba_status, dev_status, cmd->cmnd[0]);
-
- }
- }
- } else {
- /* In this condtion we could not talk to the tid
- * the card rejected it. We should signal a retry
- * for a limitted number of retries.
- */
- cmd->result = (DID_TIME_OUT << 16);
- printk(KERN_WARNING"%s: I2O MSG_FAIL - Device (%d,%d,%llu) tid=%d, cmd=0x%x\n",
- pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun,
- ((struct adpt_device*)(cmd->device->hostdata))->tid, cmd->cmnd[0]);
- }
-
- cmd->result |= (dev_status);
-
- scsi_done(cmd);
-}
-
-
-static s32 adpt_rescan(adpt_hba* pHba)
-{
- s32 rcode;
- ulong flags = 0;
-
- if(pHba->host)
- spin_lock_irqsave(pHba->host->host_lock, flags);
- if ((rcode=adpt_i2o_lct_get(pHba)) < 0)
- goto out;
- if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0)
- goto out;
- rcode = 0;
-out: if(pHba->host)
- spin_unlock_irqrestore(pHba->host->host_lock, flags);
- return rcode;
-}
-
-
-static s32 adpt_i2o_reparse_lct(adpt_hba* pHba)
-{
- int i;
- int max;
- int tid;
- struct i2o_device *d;
- i2o_lct *lct = pHba->lct;
- u8 bus_no = 0;
- s16 scsi_id;
- u64 scsi_lun;
- u32 buf[10]; // at least 8 u32's
- struct adpt_device* pDev = NULL;
- struct i2o_device* pI2o_dev = NULL;
-
- if (lct == NULL) {
- printk(KERN_ERR "%s: LCT is empty???\n",pHba->name);
- return -1;
- }
-
- max = lct->table_size;
- max -= 3;
- max /= 9;
-
- // Mark each drive as unscanned
- for (d = pHba->devices; d; d = d->next) {
- pDev =(struct adpt_device*) d->owner;
- if(!pDev){
- continue;
- }
- pDev->state |= DPTI_DEV_UNSCANNED;
- }
-
- printk(KERN_INFO "%s: LCT has %d entries.\n", pHba->name,max);
-
- for(i=0;i<max;i++) {
- if( lct->lct_entry[i].user_tid != 0xfff){
- continue;
- }
-
- if( lct->lct_entry[i].class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE ||
- lct->lct_entry[i].class_id == I2O_CLASS_SCSI_PERIPHERAL ||
- lct->lct_entry[i].class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
- tid = lct->lct_entry[i].tid;
- if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) {
- printk(KERN_ERR"%s: Could not query device\n",pHba->name);
- continue;
- }
- bus_no = buf[0]>>16;
- if (bus_no >= MAX_CHANNEL) { /* Something wrong skip it */
- printk(KERN_WARNING
- "%s: Channel number %d out of range\n",
- pHba->name, bus_no);
- continue;
- }
-
- scsi_id = buf[1];
- scsi_lun = scsilun_to_int((struct scsi_lun *)&buf[2]);
- pDev = pHba->channel[bus_no].device[scsi_id];
- /* da lun */
- while(pDev) {
- if(pDev->scsi_lun == scsi_lun) {
- break;
- }
- pDev = pDev->next_lun;
- }
- if(!pDev ) { // Something new add it
- d = kmalloc(sizeof(struct i2o_device),
- GFP_ATOMIC);
- if(d==NULL)
- {
- printk(KERN_CRIT "Out of memory for I2O device data.\n");
- return -ENOMEM;
- }
-
- d->controller = pHba;
- d->next = NULL;
-
- memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
-
- d->flags = 0;
- adpt_i2o_report_hba_unit(pHba, d);
- adpt_i2o_install_device(pHba, d);
-
- pDev = pHba->channel[bus_no].device[scsi_id];
- if( pDev == NULL){
- pDev =
- kzalloc(sizeof(struct adpt_device),
- GFP_ATOMIC);
- if(pDev == NULL) {
- return -ENOMEM;
- }
- pHba->channel[bus_no].device[scsi_id] = pDev;
- } else {
- while (pDev->next_lun) {
- pDev = pDev->next_lun;
- }
- pDev = pDev->next_lun =
- kzalloc(sizeof(struct adpt_device),
- GFP_ATOMIC);
- if(pDev == NULL) {
- return -ENOMEM;
- }
- }
- pDev->tid = d->lct_data.tid;
- pDev->scsi_channel = bus_no;
- pDev->scsi_id = scsi_id;
- pDev->scsi_lun = scsi_lun;
- pDev->pI2o_dev = d;
- d->owner = pDev;
- pDev->type = (buf[0])&0xff;
- pDev->flags = (buf[0]>>8)&0xff;
- // Too late, SCSI system has made up it's mind, but what the hey ...
- if(scsi_id > pHba->top_scsi_id){
- pHba->top_scsi_id = scsi_id;
- }
- if(scsi_lun > pHba->top_scsi_lun){
- pHba->top_scsi_lun = scsi_lun;
- }
- continue;
- } // end of new i2o device
-
- // We found an old device - check it
- while(pDev) {
- if(pDev->scsi_lun == scsi_lun) {
- if(!scsi_device_online(pDev->pScsi_dev)) {
- printk(KERN_WARNING"%s: Setting device (%d,%d,%llu) back online\n",
- pHba->name,bus_no,scsi_id,scsi_lun);
- if (pDev->pScsi_dev) {
- scsi_device_set_state(pDev->pScsi_dev, SDEV_RUNNING);
- }
- }
- d = pDev->pI2o_dev;
- if(d->lct_data.tid != tid) { // something changed
- pDev->tid = tid;
- memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
- if (pDev->pScsi_dev) {
- pDev->pScsi_dev->changed = TRUE;
- pDev->pScsi_dev->removable = TRUE;
- }
- }
- // Found it - mark it scanned
- pDev->state = DPTI_DEV_ONLINE;
- break;
- }
- pDev = pDev->next_lun;
- }
- }
- }
- for (pI2o_dev = pHba->devices; pI2o_dev; pI2o_dev = pI2o_dev->next) {
- pDev =(struct adpt_device*) pI2o_dev->owner;
- if(!pDev){
- continue;
- }
- // Drive offline drives that previously existed but could not be found
- // in the LCT table
- if (pDev->state & DPTI_DEV_UNSCANNED){
- pDev->state = DPTI_DEV_OFFLINE;
- printk(KERN_WARNING"%s: Device (%d,%d,%llu) offline\n",pHba->name,pDev->scsi_channel,pDev->scsi_id,pDev->scsi_lun);
- if (pDev->pScsi_dev) {
- scsi_device_set_state(pDev->pScsi_dev, SDEV_OFFLINE);
- }
- }
- }
- return 0;
-}
-
-/*============================================================================
- * Routines from i2o subsystem
- *============================================================================
- */
-
-
-
-/*
- * Bring an I2O controller into HOLD state. See the spec.
- */
-static int adpt_i2o_activate_hba(adpt_hba* pHba)
-{
- int rcode;
-
- if(pHba->initialized ) {
- if (adpt_i2o_status_get(pHba) < 0) {
- if((rcode = adpt_i2o_reset_hba(pHba)) != 0){
- printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name);
- return rcode;
- }
- if (adpt_i2o_status_get(pHba) < 0) {
- printk(KERN_INFO "HBA not responding.\n");
- return -1;
- }
- }
-
- if(pHba->status_block->iop_state == ADAPTER_STATE_FAULTED) {
- printk(KERN_CRIT "%s: hardware fault\n", pHba->name);
- return -1;
- }
-
- if (pHba->status_block->iop_state == ADAPTER_STATE_READY ||
- pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL ||
- pHba->status_block->iop_state == ADAPTER_STATE_HOLD ||
- pHba->status_block->iop_state == ADAPTER_STATE_FAILED) {
- adpt_i2o_reset_hba(pHba);
- if (adpt_i2o_status_get(pHba) < 0 || pHba->status_block->iop_state != ADAPTER_STATE_RESET) {
- printk(KERN_ERR "%s: Failed to initialize.\n", pHba->name);
- return -1;
- }
- }
- } else {
- if((rcode = adpt_i2o_reset_hba(pHba)) != 0){
- printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name);
- return rcode;
- }
-
- }
-
- if (adpt_i2o_init_outbound_q(pHba) < 0) {
- return -1;
- }
-
- /* In HOLD state */
-
- if (adpt_i2o_hrt_get(pHba) < 0) {
- return -1;
- }
-
- return 0;
-}
-
-/*
- * Bring a controller online into OPERATIONAL state.
- */
-
-static int adpt_i2o_online_hba(adpt_hba* pHba)
-{
- if (adpt_i2o_systab_send(pHba) < 0)
- return -1;
- /* In READY state */
-
- if (adpt_i2o_enable_hba(pHba) < 0)
- return -1;
-
- /* In OPERATIONAL state */
- return 0;
-}
-
-static s32 adpt_send_nop(adpt_hba*pHba,u32 m)
-{
- u32 __iomem *msg;
- ulong timeout = jiffies + 5*HZ;
-
- while(m == EMPTY_QUEUE){
- rmb();
- m = readl(pHba->post_port);
- if(m != EMPTY_QUEUE){
- break;
- }
- if(time_after(jiffies,timeout)){
- printk(KERN_ERR "%s: Timeout waiting for message frame!\n",pHba->name);
- return 2;
- }
- schedule_timeout_uninterruptible(1);
- }
- msg = (u32 __iomem *)(pHba->msg_addr_virt + m);
- writel( THREE_WORD_MSG_SIZE | SGL_OFFSET_0,&msg[0]);
- writel( I2O_CMD_UTIL_NOP << 24 | HOST_TID << 12 | 0,&msg[1]);
- writel( 0,&msg[2]);
- wmb();
-
- writel(m, pHba->post_port);
- wmb();
- return 0;
-}
-
-static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba)
-{
- u8 *status;
- dma_addr_t addr;
- u32 __iomem *msg = NULL;
- int i;
- ulong timeout = jiffies + TMOUT_INITOUTBOUND*HZ;
- u32 m;
-
- do {
- rmb();
- m = readl(pHba->post_port);
- if (m != EMPTY_QUEUE) {
- break;
- }
-
- if(time_after(jiffies,timeout)){
- printk(KERN_WARNING"%s: Timeout waiting for message frame\n",pHba->name);
- return -ETIMEDOUT;
- }
- schedule_timeout_uninterruptible(1);
- } while(m == EMPTY_QUEUE);
-
- msg=(u32 __iomem *)(pHba->msg_addr_virt+m);
-
- status = dma_alloc_coherent(&pHba->pDev->dev, 4, &addr, GFP_KERNEL);
- if (!status) {
- adpt_send_nop(pHba, m);
- printk(KERN_WARNING"%s: IOP reset failed - no free memory.\n",
- pHba->name);
- return -ENOMEM;
- }
-
- writel(EIGHT_WORD_MSG_SIZE| SGL_OFFSET_6, &msg[0]);
- writel(I2O_CMD_OUTBOUND_INIT<<24 | HOST_TID<<12 | ADAPTER_TID, &msg[1]);
- writel(0, &msg[2]);
- writel(0x0106, &msg[3]); /* Transaction context */
- writel(4096, &msg[4]); /* Host page frame size */
- writel((REPLY_FRAME_SIZE)<<16|0x80, &msg[5]); /* Outbound msg frame size and Initcode */
- writel(0xD0000004, &msg[6]); /* Simple SG LE, EOB */
- writel((u32)addr, &msg[7]);
-
- writel(m, pHba->post_port);
- wmb();
-
- // Wait for the reply status to come back
- do {
- if (*status) {
- if (*status != 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) {
- break;
- }
- }
- rmb();
- if(time_after(jiffies,timeout)){
- printk(KERN_WARNING"%s: Timeout Initializing\n",pHba->name);
- /* We lose 4 bytes of "status" here, but we
- cannot free these because controller may
- awake and corrupt those bytes at any time */
- /* dma_free_coherent(&pHba->pDev->dev, 4, status, addr); */
- return -ETIMEDOUT;
- }
- schedule_timeout_uninterruptible(1);
- } while (1);
-
- // If the command was successful, fill the fifo with our reply
- // message packets
- if(*status != 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) {
- dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
- return -2;
- }
- dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
-
- if(pHba->reply_pool != NULL) {
- dma_free_coherent(&pHba->pDev->dev,
- pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
- pHba->reply_pool, pHba->reply_pool_pa);
- }
-
- pHba->reply_pool = dma_alloc_coherent(&pHba->pDev->dev,
- pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
- &pHba->reply_pool_pa, GFP_KERNEL);
- if (!pHba->reply_pool) {
- printk(KERN_ERR "%s: Could not allocate reply pool\n", pHba->name);
- return -ENOMEM;
- }
-
- for(i = 0; i < pHba->reply_fifo_size; i++) {
- writel(pHba->reply_pool_pa + (i * REPLY_FRAME_SIZE * 4),
- pHba->reply_port);
- wmb();
- }
- adpt_i2o_status_get(pHba);
- return 0;
-}
-
-
-/*
- * I2O System Table. Contains information about
- * all the IOPs in the system. Used to inform IOPs
- * about each other's existence.
- *
- * sys_tbl_ver is the CurrentChangeIndicator that is
- * used by IOPs to track changes.
- */
-
-
-
-static s32 adpt_i2o_status_get(adpt_hba* pHba)
-{
- ulong timeout;
- u32 m;
- u32 __iomem *msg;
- u8 *status_block=NULL;
-
- if(pHba->status_block == NULL) {
- pHba->status_block = dma_alloc_coherent(&pHba->pDev->dev,
- sizeof(i2o_status_block),
- &pHba->status_block_pa, GFP_KERNEL);
- if(pHba->status_block == NULL) {
- printk(KERN_ERR
- "dpti%d: Get Status Block failed; Out of memory. \n",
- pHba->unit);
- return -ENOMEM;
- }
- }
- memset(pHba->status_block, 0, sizeof(i2o_status_block));
- status_block = (u8*)(pHba->status_block);
- timeout = jiffies+TMOUT_GETSTATUS*HZ;
- do {
- rmb();
- m = readl(pHba->post_port);
- if (m != EMPTY_QUEUE) {
- break;
- }
- if(time_after(jiffies,timeout)){
- printk(KERN_ERR "%s: Timeout waiting for message !\n",
- pHba->name);
- return -ETIMEDOUT;
- }
- schedule_timeout_uninterruptible(1);
- } while(m==EMPTY_QUEUE);
-
-
- msg=(u32 __iomem *)(pHba->msg_addr_virt+m);
-
- writel(NINE_WORD_MSG_SIZE|SGL_OFFSET_0, &msg[0]);
- writel(I2O_CMD_STATUS_GET<<24|HOST_TID<<12|ADAPTER_TID, &msg[1]);
- writel(1, &msg[2]);
- writel(0, &msg[3]);
- writel(0, &msg[4]);
- writel(0, &msg[5]);
- writel( dma_low(pHba->status_block_pa), &msg[6]);
- writel( dma_high(pHba->status_block_pa), &msg[7]);
- writel(sizeof(i2o_status_block), &msg[8]); // 88 bytes
-
- //post message
- writel(m, pHba->post_port);
- wmb();
-
- while(status_block[87]!=0xff){
- if(time_after(jiffies,timeout)){
- printk(KERN_ERR"dpti%d: Get status timeout.\n",
- pHba->unit);
- return -ETIMEDOUT;
- }
- rmb();
- schedule_timeout_uninterruptible(1);
- }
-
- // Set up our number of outbound and inbound messages
- pHba->post_fifo_size = pHba->status_block->max_inbound_frames;
- if (pHba->post_fifo_size > MAX_TO_IOP_MESSAGES) {
- pHba->post_fifo_size = MAX_TO_IOP_MESSAGES;
- }
-
- pHba->reply_fifo_size = pHba->status_block->max_outbound_frames;
- if (pHba->reply_fifo_size > MAX_FROM_IOP_MESSAGES) {
- pHba->reply_fifo_size = MAX_FROM_IOP_MESSAGES;
- }
-
- // Calculate the Scatter Gather list size
- if (dpt_dma64(pHba)) {
- pHba->sg_tablesize
- = ((pHba->status_block->inbound_frame_size * 4
- - 14 * sizeof(u32))
- / (sizeof(struct sg_simple_element) + sizeof(u32)));
- } else {
- pHba->sg_tablesize
- = ((pHba->status_block->inbound_frame_size * 4
- - 12 * sizeof(u32))
- / sizeof(struct sg_simple_element));
- }
- if (pHba->sg_tablesize > SG_LIST_ELEMENTS) {
- pHba->sg_tablesize = SG_LIST_ELEMENTS;
- }
-
-
-#ifdef DEBUG
- printk("dpti%d: State = ",pHba->unit);
- switch(pHba->status_block->iop_state) {
- case 0x01:
- printk("INIT\n");
- break;
- case 0x02:
- printk("RESET\n");
- break;
- case 0x04:
- printk("HOLD\n");
- break;
- case 0x05:
- printk("READY\n");
- break;
- case 0x08:
- printk("OPERATIONAL\n");
- break;
- case 0x10:
- printk("FAILED\n");
- break;
- case 0x11:
- printk("FAULTED\n");
- break;
- default:
- printk("%x (unknown!!)\n",pHba->status_block->iop_state);
- }
-#endif
- return 0;
-}
-
-/*
- * Get the IOP's Logical Configuration Table
- */
-static int adpt_i2o_lct_get(adpt_hba* pHba)
-{
- u32 msg[8];
- int ret;
- u32 buf[16];
-
- if ((pHba->lct_size == 0) || (pHba->lct == NULL)){
- pHba->lct_size = pHba->status_block->expected_lct_size;
- }
- do {
- if (pHba->lct == NULL) {
- pHba->lct = dma_alloc_coherent(&pHba->pDev->dev,
- pHba->lct_size, &pHba->lct_pa,
- GFP_ATOMIC);
- if(pHba->lct == NULL) {
- printk(KERN_CRIT "%s: Lct Get failed. Out of memory.\n",
- pHba->name);
- return -ENOMEM;
- }
- }
- memset(pHba->lct, 0, pHba->lct_size);
-
- msg[0] = EIGHT_WORD_MSG_SIZE|SGL_OFFSET_6;
- msg[1] = I2O_CMD_LCT_NOTIFY<<24 | HOST_TID<<12 | ADAPTER_TID;
- msg[2] = 0;
- msg[3] = 0;
- msg[4] = 0xFFFFFFFF; /* All devices */
- msg[5] = 0x00000000; /* Report now */
- msg[6] = 0xD0000000|pHba->lct_size;
- msg[7] = (u32)pHba->lct_pa;
-
- if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 360))) {
- printk(KERN_ERR "%s: LCT Get failed (status=%#10x.\n",
- pHba->name, ret);
- printk(KERN_ERR"Adaptec: Error Reading Hardware.\n");
- return ret;
- }
-
- if ((pHba->lct->table_size << 2) > pHba->lct_size) {
- pHba->lct_size = pHba->lct->table_size << 2;
- dma_free_coherent(&pHba->pDev->dev, pHba->lct_size,
- pHba->lct, pHba->lct_pa);
- pHba->lct = NULL;
- }
- } while (pHba->lct == NULL);
-
- PDEBUG("%s: Hardware resource table read.\n", pHba->name);
-
-
- // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO;
- if(adpt_i2o_query_scalar(pHba, 0 , 0x8000, -1, buf, sizeof(buf))>=0) {
- pHba->FwDebugBufferSize = buf[1];
- pHba->FwDebugBuffer_P = ioremap(pHba->base_addr_phys + buf[0],
- pHba->FwDebugBufferSize);
- if (pHba->FwDebugBuffer_P) {
- pHba->FwDebugFlags_P = pHba->FwDebugBuffer_P +
- FW_DEBUG_FLAGS_OFFSET;
- pHba->FwDebugBLEDvalue_P = pHba->FwDebugBuffer_P +
- FW_DEBUG_BLED_OFFSET;
- pHba->FwDebugBLEDflag_P = pHba->FwDebugBLEDvalue_P + 1;
- pHba->FwDebugStrLength_P = pHba->FwDebugBuffer_P +
- FW_DEBUG_STR_LENGTH_OFFSET;
- pHba->FwDebugBuffer_P += buf[2];
- pHba->FwDebugFlags = 0;
- }
- }
-
- return 0;
-}
-
-static int adpt_i2o_build_sys_table(void)
-{
- adpt_hba* pHba = hba_chain;
- int count = 0;
-
- if (sys_tbl)
- dma_free_coherent(&pHba->pDev->dev, sys_tbl_len,
- sys_tbl, sys_tbl_pa);
-
- sys_tbl_len = sizeof(struct i2o_sys_tbl) + // Header + IOPs
- (hba_count) * sizeof(struct i2o_sys_tbl_entry);
-
- sys_tbl = dma_alloc_coherent(&pHba->pDev->dev,
- sys_tbl_len, &sys_tbl_pa, GFP_KERNEL);
- if (!sys_tbl) {
- printk(KERN_WARNING "SysTab Set failed. Out of memory.\n");
- return -ENOMEM;
- }
-
- sys_tbl->num_entries = hba_count;
- sys_tbl->version = I2OVERSION;
- sys_tbl->change_ind = sys_tbl_ind++;
-
- for(pHba = hba_chain; pHba; pHba = pHba->next) {
- u64 addr;
- // Get updated Status Block so we have the latest information
- if (adpt_i2o_status_get(pHba)) {
- sys_tbl->num_entries--;
- continue; // try next one
- }
-
- sys_tbl->iops[count].org_id = pHba->status_block->org_id;
- sys_tbl->iops[count].iop_id = pHba->unit + 2;
- sys_tbl->iops[count].seg_num = 0;
- sys_tbl->iops[count].i2o_version = pHba->status_block->i2o_version;
- sys_tbl->iops[count].iop_state = pHba->status_block->iop_state;
- sys_tbl->iops[count].msg_type = pHba->status_block->msg_type;
- sys_tbl->iops[count].frame_size = pHba->status_block->inbound_frame_size;
- sys_tbl->iops[count].last_changed = sys_tbl_ind - 1; // ??
- sys_tbl->iops[count].iop_capabilities = pHba->status_block->iop_capabilities;
- addr = pHba->base_addr_phys + 0x40;
- sys_tbl->iops[count].inbound_low = dma_low(addr);
- sys_tbl->iops[count].inbound_high = dma_high(addr);
-
- count++;
- }
-
-#ifdef DEBUG
-{
- u32 *table = (u32*)sys_tbl;
- printk(KERN_DEBUG"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len >>2));
- for(count = 0; count < (sys_tbl_len >>2); count++) {
- printk(KERN_INFO "sys_tbl[%d] = %0#10x\n",
- count, table[count]);
- }
-}
-#endif
-
- return 0;
-}
-
-
-/*
- * Dump the information block associated with a given unit (TID)
- */
-
-static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d)
-{
- char buf[64];
- int unit = d->lct_data.tid;
-
- printk(KERN_INFO "TID %3.3d ", unit);
-
- if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 3, buf, 16)>=0)
- {
- buf[16]=0;
- printk(" Vendor: %-12.12s", buf);
- }
- if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 4, buf, 16)>=0)
- {
- buf[16]=0;
- printk(" Device: %-12.12s", buf);
- }
- if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 6, buf, 8)>=0)
- {
- buf[8]=0;
- printk(" Rev: %-12.12s\n", buf);
- }
-#ifdef DEBUG
- printk(KERN_INFO "\tClass: %.21s\n", adpt_i2o_get_class_name(d->lct_data.class_id));
- printk(KERN_INFO "\tSubclass: 0x%04X\n", d->lct_data.sub_class);
- printk(KERN_INFO "\tFlags: ");
-
- if(d->lct_data.device_flags&(1<<0))
- printk("C"); // ConfigDialog requested
- if(d->lct_data.device_flags&(1<<1))
- printk("U"); // Multi-user capable
- if(!(d->lct_data.device_flags&(1<<4)))
- printk("P"); // Peer service enabled!
- if(!(d->lct_data.device_flags&(1<<5)))
- printk("M"); // Mgmt service enabled!
- printk("\n");
-#endif
-}
-
-#ifdef DEBUG
-/*
- * Do i2o class name lookup
- */
-static const char *adpt_i2o_get_class_name(int class)
-{
- int idx = 16;
- static char *i2o_class_name[] = {
- "Executive",
- "Device Driver Module",
- "Block Device",
- "Tape Device",
- "LAN Interface",
- "WAN Interface",
- "Fibre Channel Port",
- "Fibre Channel Device",
- "SCSI Device",
- "ATE Port",
- "ATE Device",
- "Floppy Controller",
- "Floppy Device",
- "Secondary Bus Port",
- "Peer Transport Agent",
- "Peer Transport",
- "Unknown"
- };
-
- switch(class&0xFFF) {
- case I2O_CLASS_EXECUTIVE:
- idx = 0; break;
- case I2O_CLASS_DDM:
- idx = 1; break;
- case I2O_CLASS_RANDOM_BLOCK_STORAGE:
- idx = 2; break;
- case I2O_CLASS_SEQUENTIAL_STORAGE:
- idx = 3; break;
- case I2O_CLASS_LAN:
- idx = 4; break;
- case I2O_CLASS_WAN:
- idx = 5; break;
- case I2O_CLASS_FIBRE_CHANNEL_PORT:
- idx = 6; break;
- case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL:
- idx = 7; break;
- case I2O_CLASS_SCSI_PERIPHERAL:
- idx = 8; break;
- case I2O_CLASS_ATE_PORT:
- idx = 9; break;
- case I2O_CLASS_ATE_PERIPHERAL:
- idx = 10; break;
- case I2O_CLASS_FLOPPY_CONTROLLER:
- idx = 11; break;
- case I2O_CLASS_FLOPPY_DEVICE:
- idx = 12; break;
- case I2O_CLASS_BUS_ADAPTER_PORT:
- idx = 13; break;
- case I2O_CLASS_PEER_TRANSPORT_AGENT:
- idx = 14; break;
- case I2O_CLASS_PEER_TRANSPORT:
- idx = 15; break;
- }
- return i2o_class_name[idx];
-}
-#endif
-
-
-static s32 adpt_i2o_hrt_get(adpt_hba* pHba)
-{
- u32 msg[6];
- int ret, size = sizeof(i2o_hrt);
-
- do {
- if (pHba->hrt == NULL) {
- pHba->hrt = dma_alloc_coherent(&pHba->pDev->dev,
- size, &pHba->hrt_pa, GFP_KERNEL);
- if (pHba->hrt == NULL) {
- printk(KERN_CRIT "%s: Hrt Get failed; Out of memory.\n", pHba->name);
- return -ENOMEM;
- }
- }
-
- msg[0]= SIX_WORD_MSG_SIZE| SGL_OFFSET_4;
- msg[1]= I2O_CMD_HRT_GET<<24 | HOST_TID<<12 | ADAPTER_TID;
- msg[2]= 0;
- msg[3]= 0;
- msg[4]= (0xD0000000 | size); /* Simple transaction */
- msg[5]= (u32)pHba->hrt_pa; /* Dump it here */
-
- if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg),20))) {
- printk(KERN_ERR "%s: Unable to get HRT (status=%#10x)\n", pHba->name, ret);
- return ret;
- }
-
- if (pHba->hrt->num_entries * pHba->hrt->entry_len << 2 > size) {
- int newsize = pHba->hrt->num_entries * pHba->hrt->entry_len << 2;
- dma_free_coherent(&pHba->pDev->dev, size,
- pHba->hrt, pHba->hrt_pa);
- size = newsize;
- pHba->hrt = NULL;
- }
- } while(pHba->hrt == NULL);
- return 0;
-}
-
-/*
- * Query one scalar group value or a whole scalar group.
- */
-static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid,
- int group, int field, void *buf, int buflen)
-{
- u16 opblk[] = { 1, 0, I2O_PARAMS_FIELD_GET, group, 1, field };
- u8 *opblk_va;
- dma_addr_t opblk_pa;
- u8 *resblk_va;
- dma_addr_t resblk_pa;
-
- int size;
-
- /* 8 bytes for header */
- resblk_va = dma_alloc_coherent(&pHba->pDev->dev,
- sizeof(u8) * (8 + buflen), &resblk_pa, GFP_KERNEL);
- if (resblk_va == NULL) {
- printk(KERN_CRIT "%s: query scalar failed; Out of memory.\n", pHba->name);
- return -ENOMEM;
- }
-
- opblk_va = dma_alloc_coherent(&pHba->pDev->dev,
- sizeof(opblk), &opblk_pa, GFP_KERNEL);
- if (opblk_va == NULL) {
- dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
- resblk_va, resblk_pa);
- printk(KERN_CRIT "%s: query operation failed; Out of memory.\n",
- pHba->name);
- return -ENOMEM;
- }
- if (field == -1) /* whole group */
- opblk[4] = -1;
-
- memcpy(opblk_va, opblk, sizeof(opblk));
- size = adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET, pHba, tid,
- opblk_va, opblk_pa, sizeof(opblk),
- resblk_va, resblk_pa, sizeof(u8)*(8+buflen));
- dma_free_coherent(&pHba->pDev->dev, sizeof(opblk), opblk_va, opblk_pa);
- if (size == -ETIME) {
- dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
- resblk_va, resblk_pa);
- printk(KERN_WARNING "%s: issue params failed; Timed out.\n", pHba->name);
- return -ETIME;
- } else if (size == -EINTR) {
- dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
- resblk_va, resblk_pa);
- printk(KERN_WARNING "%s: issue params failed; Interrupted.\n", pHba->name);
- return -EINTR;
- }
-
- memcpy(buf, resblk_va+8, buflen); /* cut off header */
-
- dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
- resblk_va, resblk_pa);
- if (size < 0)
- return size;
-
- return buflen;
-}
-
-
-/* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET
- *
- * This function can be used for all UtilParamsGet/Set operations.
- * The OperationBlock is given in opblk-buffer,
- * and results are returned in resblk-buffer.
- * Note that the minimum sized resblk is 8 bytes and contains
- * ResultCount, ErrorInfoSize, BlockStatus and BlockSize.
- */
-static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid,
- void *opblk_va, dma_addr_t opblk_pa, int oplen,
- void *resblk_va, dma_addr_t resblk_pa, int reslen)
-{
- u32 msg[9];
- u32 *res = (u32 *)resblk_va;
- int wait_status;
-
- msg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_5;
- msg[1] = cmd << 24 | HOST_TID << 12 | tid;
- msg[2] = 0;
- msg[3] = 0;
- msg[4] = 0;
- msg[5] = 0x54000000 | oplen; /* OperationBlock */
- msg[6] = (u32)opblk_pa;
- msg[7] = 0xD0000000 | reslen; /* ResultBlock */
- msg[8] = (u32)resblk_pa;
-
- if ((wait_status = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 20))) {
- printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk_va);
- return wait_status; /* -DetailedStatus */
- }
-
- if (res[1]&0x00FF0000) { /* BlockStatus != SUCCESS */
- printk(KERN_WARNING "%s: %s - Error:\n ErrorInfoSize = 0x%02x, "
- "BlockStatus = 0x%02x, BlockSize = 0x%04x\n",
- pHba->name,
- (cmd == I2O_CMD_UTIL_PARAMS_SET) ? "PARAMS_SET"
- : "PARAMS_GET",
- res[1]>>24, (res[1]>>16)&0xFF, res[1]&0xFFFF);
- return -((res[1] >> 16) & 0xFF); /* -BlockStatus */
- }
-
- return 4 + ((res[1] & 0x0000FFFF) << 2); /* bytes used in resblk */
-}
-
-
-static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba)
-{
- u32 msg[4];
- int ret;
-
- adpt_i2o_status_get(pHba);
-
- /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */
-
- if((pHba->status_block->iop_state != ADAPTER_STATE_READY) &&
- (pHba->status_block->iop_state != ADAPTER_STATE_OPERATIONAL)){
- return 0;
- }
-
- msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
- msg[1] = I2O_CMD_SYS_QUIESCE<<24|HOST_TID<<12|ADAPTER_TID;
- msg[2] = 0;
- msg[3] = 0;
-
- if((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) {
- printk(KERN_INFO"dpti%d: Unable to quiesce (status=%#x).\n",
- pHba->unit, -ret);
- } else {
- printk(KERN_INFO"dpti%d: Quiesced.\n",pHba->unit);
- }
-
- adpt_i2o_status_get(pHba);
- return ret;
-}
-
-
-/*
- * Enable IOP. Allows the IOP to resume external operations.
- */
-static int adpt_i2o_enable_hba(adpt_hba* pHba)
-{
- u32 msg[4];
- int ret;
-
- adpt_i2o_status_get(pHba);
- if(!pHba->status_block){
- return -ENOMEM;
- }
- /* Enable only allowed on READY state */
- if(pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL)
- return 0;
-
- if(pHba->status_block->iop_state != ADAPTER_STATE_READY)
- return -EINVAL;
-
- msg[0]=FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
- msg[1]=I2O_CMD_SYS_ENABLE<<24|HOST_TID<<12|ADAPTER_TID;
- msg[2]= 0;
- msg[3]= 0;
-
- if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) {
- printk(KERN_WARNING"%s: Could not enable (status=%#10x).\n",
- pHba->name, ret);
- } else {
- PDEBUG("%s: Enabled.\n", pHba->name);
- }
-
- adpt_i2o_status_get(pHba);
- return ret;
-}
-
-
-static int adpt_i2o_systab_send(adpt_hba* pHba)
-{
- u32 msg[12];
- int ret;
-
- msg[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6;
- msg[1] = I2O_CMD_SYS_TAB_SET<<24 | HOST_TID<<12 | ADAPTER_TID;
- msg[2] = 0;
- msg[3] = 0;
- msg[4] = (0<<16) | ((pHba->unit+2) << 12); /* Host 0 IOP ID (unit + 2) */
- msg[5] = 0; /* Segment 0 */
-
- /*
- * Provide three SGL-elements:
- * System table (SysTab), Private memory space declaration and
- * Private i/o space declaration
- */
- msg[6] = 0x54000000 | sys_tbl_len;
- msg[7] = (u32)sys_tbl_pa;
- msg[8] = 0x54000000 | 0;
- msg[9] = 0;
- msg[10] = 0xD4000000 | 0;
- msg[11] = 0;
-
- if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 120))) {
- printk(KERN_INFO "%s: Unable to set SysTab (status=%#10x).\n",
- pHba->name, ret);
- }
-#ifdef DEBUG
- else {
- PINFO("%s: SysTab set.\n", pHba->name);
- }
-#endif
-
- return ret;
-}
-
-
-/*============================================================================
- *
- *============================================================================
- */
-
-
-#ifdef UARTDELAY
-
-static static void adpt_delay(int millisec)
-{
- int i;
- for (i = 0; i < millisec; i++) {
- udelay(1000); /* delay for one millisecond */
- }
-}
-
-#endif
-
-static struct scsi_host_template driver_template = {
- .module = THIS_MODULE,
- .name = "dpt_i2o",
- .proc_name = "dpt_i2o",
- .show_info = adpt_show_info,
- .info = adpt_info,
- .queuecommand = adpt_queue,
- .eh_abort_handler = adpt_abort,
- .eh_device_reset_handler = adpt_device_reset,
- .eh_bus_reset_handler = adpt_bus_reset,
- .eh_host_reset_handler = adpt_reset,
- .bios_param = adpt_bios_param,
- .slave_configure = adpt_slave_configure,
- .can_queue = MAX_TO_IOP_MESSAGES,
- .this_id = 7,
-};
-
-static int __init adpt_init(void)
-{
- int error;
- adpt_hba *pHba, *next;
-
- printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n");
-
- error = adpt_detect(&driver_template);
- if (error < 0)
- return error;
- if (hba_chain == NULL)
- return -ENODEV;
-
- for (pHba = hba_chain; pHba; pHba = pHba->next) {
- error = scsi_add_host(pHba->host, &pHba->pDev->dev);
- if (error)
- goto fail;
- scsi_scan_host(pHba->host);
- }
- return 0;
-fail:
- for (pHba = hba_chain; pHba; pHba = next) {
- next = pHba->next;
- scsi_remove_host(pHba->host);
- }
- return error;
-}
-
-static void __exit adpt_exit(void)
-{
- adpt_hba *pHba, *next;
-
- for (pHba = hba_chain; pHba; pHba = next) {
- next = pHba->next;
- adpt_release(pHba);
- }
-}
-
-module_init(adpt_init);
-module_exit(adpt_exit);
-
-MODULE_LICENSE("GPL");
projects / kernel.git / commitdiff