diff options
Diffstat (limited to 'drivers/scsi/dpt_i2o.c')
| -rw-r--r-- | drivers/scsi/dpt_i2o.c | 3545 |
1 files changed, 0 insertions, 3545 deletions
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c deleted file mode 100644 index 2e9155ba7408..000000000000 --- a/drivers/scsi/dpt_i2o.c +++ /dev/null @@ -1,3545 +0,0 @@ -// 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); - // |