static ctlr_info_t *hba[MAX_CTLR];
static void do_cciss_request(request_queue_t *q);
+ static irqreturn_t do_cciss_intr(int irq, void *dev_id, struct pt_regs *regs);
static int cciss_open(struct inode *inode, struct file *filep);
static int cciss_release(struct inode *inode, struct file *filep);
static int cciss_ioctl(struct inode *inode, struct file *filep,
cleanup1:
if (buff) {
for(i=0; i<sg_used; i++)
- if(buff[i] != NULL)
- kfree(buff[i]);
+ kfree(buff[i]);
kfree(buff);
}
- if (buff_size)
- kfree(buff_size);
- if (ioc)
- kfree(ioc);
+ kfree(buff_size);
+ kfree(ioc);
return(status);
}
default:
}
} else if (cmd_type == TYPE_MSG) {
switch (cmd) {
+ case 0: /* ABORT message */
+ c->Request.CDBLen = 12;
+ c->Request.Type.Attribute = ATTR_SIMPLE;
+ c->Request.Type.Direction = XFER_WRITE;
+ c->Request.Timeout = 0;
+ c->Request.CDB[0] = cmd; /* abort */
+ c->Request.CDB[1] = 0; /* abort a command */
+ /* buff contains the tag of the command to abort */
+ memcpy(&c->Request.CDB[4], buff, 8);
+ break;
+ case 1: /* RESET message */
+ c->Request.CDBLen = 12;
+ c->Request.Type.Attribute = ATTR_SIMPLE;
+ c->Request.Type.Direction = XFER_WRITE;
+ c->Request.Timeout = 0;
+ memset(&c->Request.CDB[0], 0, sizeof(c->Request.CDB));
+ c->Request.CDB[0] = cmd; /* reset */
+ c->Request.CDB[1] = 0x04; /* reset a LUN */
case 3: /* No-Op message */
c->Request.CDBLen = 1;
c->Request.Type.Attribute = ATTR_SIMPLE;
/* Invalid address to tell caller we ran out of time */
return 1;
}
+
+ static int add_sendcmd_reject(__u8 cmd, int ctlr, unsigned long complete)
+ {
+ /* We get in here if sendcmd() is polling for completions
+ and gets some command back that it wasn't expecting --
+ something other than that which it just sent down.
+ Ordinarily, that shouldn't happen, but it can happen when
+ the scsi tape stuff gets into error handling mode, and
+ starts using sendcmd() to try to abort commands and
+ reset tape drives. In that case, sendcmd may pick up
+ completions of commands that were sent to logical drives
+ through the block i/o system, or cciss ioctls completing, etc.
+ In that case, we need to save those completions for later
+ processing by the interrupt handler.
+ */
+
+ #ifdef CONFIG_CISS_SCSI_TAPE
+ struct sendcmd_reject_list *srl = &hba[ctlr]->scsi_rejects;
+
+ /* If it's not the scsi tape stuff doing error handling, (abort */
+ /* or reset) then we don't expect anything weird. */
+ if (cmd != CCISS_RESET_MSG && cmd != CCISS_ABORT_MSG) {
+ #endif
+ printk( KERN_WARNING "cciss cciss%d: SendCmd "
+ "Invalid command list address returned! (%lx)\n",
+ ctlr, complete);
+ /* not much we can do. */
+ #ifdef CONFIG_CISS_SCSI_TAPE
+ return 1;
+ }
+
+ /* We've sent down an abort or reset, but something else
+ has completed */
+ if (srl->ncompletions >= (NR_CMDS + 2)) {
+ /* Uh oh. No room to save it for later... */
+ printk(KERN_WARNING "cciss%d: Sendcmd: Invalid command addr, "
+ "reject list overflow, command lost!\n", ctlr);
+ return 1;
+ }
+ /* Save it for later */
+ srl->complete[srl->ncompletions] = complete;
+ srl->ncompletions++;
+ #endif
+ return 0;
+ }
+
/*
* Send a command to the controller, and wait for it to complete.
* Only used at init time.
unsigned long complete;
ctlr_info_t *info_p= hba[ctlr];
u64bit buff_dma_handle;
- int status;
+ int status, done = 0;
if ((c = cmd_alloc(info_p, 1)) == NULL) {
printk(KERN_WARNING "cciss: unable to get memory");
info_p->access.set_intr_mask(info_p, CCISS_INTR_OFF);
/* Make sure there is room in the command FIFO */
- /* Actually it should be completely empty at this time. */
+ /* Actually it should be completely empty at this time */
+ /* unless we are in here doing error handling for the scsi */
+ /* tape side of the driver. */
for (i = 200000; i > 0; i--)
{
/* if fifo isn't full go */
* Send the cmd
*/
info_p->access.submit_command(info_p, c);
- complete = pollcomplete(ctlr);
+ done = 0;
+ do {
+ complete = pollcomplete(ctlr);
#ifdef CCISS_DEBUG
- printk(KERN_DEBUG "cciss: command completed\n");
+ printk(KERN_DEBUG "cciss: command completed\n");
#endif /* CCISS_DEBUG */
- if (complete != 1) {
+ if (complete == 1) {
+ printk( KERN_WARNING
+ "cciss cciss%d: SendCmd Timeout out, "
+ "No command list address returned!\n",
+ ctlr);
+ status = IO_ERROR;
+ done = 1;
+ break;
+ }
+
+ /* This will need to change for direct lookup completions */
if ( (complete & CISS_ERROR_BIT)
&& (complete & ~CISS_ERROR_BIT) == c->busaddr)
{
status = IO_ERROR;
goto cleanup1;
}
+ } else if (c->err_info->CommandStatus == CMD_UNABORTABLE) {
+ printk(KERN_WARNING "cciss%d: command could not be aborted.\n", ctlr);
+ status = IO_ERROR;
+ goto cleanup1;
}
printk(KERN_WARNING "ciss ciss%d: sendcmd"
" Error %x \n", ctlr,
goto cleanup1;
}
}
+ /* This will need changing for direct lookup completions */
if (complete != c->busaddr) {
- printk( KERN_WARNING "cciss cciss%d: SendCmd "
- "Invalid command list address returned! (%lx)\n",
- ctlr, complete);
- status = IO_ERROR;
- goto cleanup1;
- }
- } else {
- printk( KERN_WARNING
- "cciss cciss%d: SendCmd Timeout out, "
- "No command list address returned!\n",
- ctlr);
- status = IO_ERROR;
- }
+ if (add_sendcmd_reject(cmd, ctlr, complete) != 0) {
+ BUG(); /* we are pretty much hosed if we get here. */
+ }
+ continue;
+ } else
+ done = 1;
+ } while (!done);
cleanup1:
/* unlock the data buffer from DMA */
buff_dma_handle.val32.upper = c->SG[0].Addr.upper;
pci_unmap_single(info_p->pdev, (dma_addr_t) buff_dma_handle.val,
c->SG[0].Len, PCI_DMA_BIDIRECTIONAL);
+ #ifdef CONFIG_CISS_SCSI_TAPE
+ /* if we saved some commands for later, process them now. */
+ if (info_p->scsi_rejects.ncompletions > 0)
+ do_cciss_intr(0, info_p, NULL);
+ #endif
cmd_free(info_p, c, 1);
return (status);
}
start_io(h);
}
+ static inline unsigned long get_next_completion(ctlr_info_t *h)
+ {
+ #ifdef CONFIG_CISS_SCSI_TAPE
+ /* Any rejects from sendcmd() lying around? Process them first */
+ if (h->scsi_rejects.ncompletions == 0)
+ return h->access.command_completed(h);
+ else {
+ struct sendcmd_reject_list *srl;
+ int n;
+ srl = &h->scsi_rejects;
+ n = --srl->ncompletions;
+ /* printk("cciss%d: processing saved reject\n", h->ctlr); */
+ printk("p");
+ return srl->complete[n];
+ }
+ #else
+ return h->access.command_completed(h);
+ #endif
+ }
+
+ static inline int interrupt_pending(ctlr_info_t *h)
+ {
+ #ifdef CONFIG_CISS_SCSI_TAPE
+ return ( h->access.intr_pending(h)
+ || (h->scsi_rejects.ncompletions > 0));
+ #else
+ return h->access.intr_pending(h);
+ #endif
+ }
+
+ static inline long interrupt_not_for_us(ctlr_info_t *h)
+ {
+ #ifdef CONFIG_CISS_SCSI_TAPE
+ return (((h->access.intr_pending(h) == 0) ||
+ (h->interrupts_enabled == 0))
+ && (h->scsi_rejects.ncompletions == 0));
+ #else
+ return (((h->access.intr_pending(h) == 0) ||
+ (h->interrupts_enabled == 0)));
+ #endif
+ }
+
static irqreturn_t do_cciss_intr(int irq, void *dev_id, struct pt_regs *regs)
{
ctlr_info_t *h = dev_id;
int j;
int start_queue = h->next_to_run;
- /* Is this interrupt for us? */
- if (( h->access.intr_pending(h) == 0) || (h->interrupts_enabled == 0))
+ if (interrupt_not_for_us(h))
return IRQ_NONE;
-
/*
* If there are completed commands in the completion queue,
* we had better do something about it.
*/
spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
- while( h->access.intr_pending(h))
- {
- while((a = h->access.command_completed(h)) != FIFO_EMPTY)
- {
+ while (interrupt_pending(h)) {
+ while((a = get_next_completion(h)) != FIFO_EMPTY) {
a1 = a;
if ((a & 0x04)) {
a2 = (a >> 3);
printk( KERN_ERR "cciss: out of memory");
goto clean4;
}
-
+ #ifdef CONFIG_CISS_SCSI_TAPE
+ hba[i]->scsi_rejects.complete =
+ kmalloc(sizeof(hba[i]->scsi_rejects.complete[0]) *
+ (NR_CMDS + 5), GFP_KERNEL);
+ if (hba[i]->scsi_rejects.complete == NULL) {
+ printk( KERN_ERR "cciss: out of memory");
+ goto clean4;
+ }
+ #endif
spin_lock_init(&hba[i]->lock);
/* Initialize the pdev driver private data.
return(1);
clean4:
- if(hba[i]->cmd_pool_bits)
- kfree(hba[i]->cmd_pool_bits);
+ #ifdef CONFIG_CISS_SCSI_TAPE
+ if(hba[i]->scsi_rejects.complete)
+ kfree(hba[i]->scsi_rejects.complete);
+ #endif
+ kfree(hba[i]->cmd_pool_bits);
if(hba[i]->cmd_pool)
pci_free_consistent(hba[i]->pdev,
NR_CMDS * sizeof(CommandList_struct),
pci_free_consistent(hba[i]->pdev, NR_CMDS * sizeof( ErrorInfo_struct),
hba[i]->errinfo_pool, hba[i]->errinfo_pool_dhandle);
kfree(hba[i]->cmd_pool_bits);
+ #ifdef CONFIG_CISS_SCSI_TAPE
+ kfree(hba[i]->scsi_rejects.complete);
+ #endif
release_io_mem(hba[i]);
free_hba(i);
}
rq = kmalloc (sizeof (struct request), GFP_ATOMIC);
buf = kmalloc(SCSI_SENSE_BUFFERSIZE, GFP_ATOMIC);
if (pc == NULL || rq == NULL || buf == NULL) {
- if (pc) kfree(pc);
- if (rq) kfree(rq);
- if (buf) kfree(buf);
+ kfree(buf);
+ kfree(rq);
+ kfree(pc);
return -ENOMEM;
}
memset (pc, 0, sizeof (idescsi_pc_t));
int log = test_bit(IDESCSI_LOG_CMD, &scsi->log);
struct Scsi_Host *host;
u8 *scsi_buf;
+ int errors = rq->errors;
unsigned long flags;
if (!(rq->flags & (REQ_SPECIAL|REQ_SENSE))) {
printk (KERN_WARNING "ide-scsi: %s: timed out for %lu\n",
drive->name, pc->scsi_cmd->serial_number);
pc->scsi_cmd->result = DID_TIME_OUT << 16;
- } else if (rq->errors >= ERROR_MAX) {
+ } else if (errors >= ERROR_MAX) {
pc->scsi_cmd->result = DID_ERROR << 16;
if (log)
printk ("ide-scsi: %s: I/O error for %lu\n", drive->name, pc->scsi_cmd->serial_number);
- } else if (rq->errors) {
+ } else if (errors) {
if (log)
printk ("ide-scsi: %s: check condition for %lu\n", drive->name, pc->scsi_cmd->serial_number);
if (!idescsi_check_condition(drive, rq))
spin_lock_irq(host->host_lock);
return 0;
abort:
- if (pc) kfree (pc);
- if (rq) kfree (rq);
+ kfree (pc);
+ kfree (rq);
cmd->result = DID_ERROR << 16;
done(cmd);
return 0;
/* - Remove 3 unused "inline" functions */
/* 7.12.xx - Use STATIC functions whereever possible */
/* - Clean up deprecated MODULE_PARM calls */
+ /* 7.12.05 - Remove Version Matching per IBM request */
/*****************************************************************************/
/*
* DRIVER_VER
*/
#define IPS_VERSION_HIGH "7.12"
- #define IPS_VERSION_LOW ".02 "
+ #define IPS_VERSION_LOW ".05 "
#if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__)
#warning "This driver has only been tested on the x86/ia64/x86_64 platforms"
static int ips_host_info(ips_ha_t *, char *, off_t, int);
static void copy_mem_info(IPS_INFOSTR *, char *, int);
static int copy_info(IPS_INFOSTR *, char *, ...);
- static int ips_get_version_info(ips_ha_t * ha, dma_addr_t, int intr);
- static void ips_version_check(ips_ha_t * ha, int intr);
static int ips_abort_init(ips_ha_t * ha, int index);
static int ips_init_phase2(int index);
#endif
};
- static IPS_DEFINE_COMPAT_TABLE( Compatable ); /* Version Compatability Table */
-
/* This table describes all ServeRAID Adapters */
static struct pci_device_id ips_pci_table[] = {
ha->enq = NULL;
}
- if (ha->conf) {
- kfree(ha->conf);
- ha->conf = NULL;
- }
+ kfree(ha->conf);
+ ha->conf = NULL;
if (ha->adapt) {
pci_free_consistent(ha->pcidev,
ha->logical_drive_info = NULL;
}
- if (ha->nvram) {
- kfree(ha->nvram);
- ha->nvram = NULL;
- }
+ kfree(ha->nvram);
+ ha->nvram = NULL;
- if (ha->subsys) {
- kfree(ha->subsys);
- ha->subsys = NULL;
- }
+ kfree(ha->subsys);
+ ha->subsys = NULL;
if (ha->ioctl_data) {
pci_free_consistent(ha->pcidev, ha->ioctl_len,
strncpy((char *) ha->nvram->bios_high, ha->bios_version, 4);
strncpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4);
- ips_version_check(ha, intr); /* Check BIOS/FW/Driver Versions */
+ ha->nvram->versioning = 0; /* Indicate the Driver Does Not Support Versioning */
/* now update the page */
if (!ips_readwrite_page5(ha, TRUE, intr)) {
return (0);
}
- /*---------------------------------------------------------------------------*/
- /* Routine Name: ips_version_check */
- /* */
- /* Dependencies: */
- /* Assumes that ips_read_adapter_status() is called first filling in */
- /* the data for SubSystem Parameters. */
- /* Called from ips_write_driver_status() so it also assumes NVRAM Page 5 */
- /* Data is available. */
- /* */
- /*---------------------------------------------------------------------------*/
- static void
- ips_version_check(ips_ha_t * ha, int intr)
- {
- IPS_VERSION_DATA *VersionInfo;
- uint8_t FirmwareVersion[IPS_COMPAT_ID_LENGTH + 1];
- uint8_t BiosVersion[IPS_COMPAT_ID_LENGTH + 1];
- int MatchError;
- int rc;
- char BiosString[10];
- char FirmwareString[10];
-
- METHOD_TRACE("ips_version_check", 1);
-
- VersionInfo = ( IPS_VERSION_DATA * ) ha->ioctl_data;
-
- memset(FirmwareVersion, 0, IPS_COMPAT_ID_LENGTH + 1);
- memset(BiosVersion, 0, IPS_COMPAT_ID_LENGTH + 1);
-
- /* Get the Compatible BIOS Version from NVRAM Page 5 */
- memcpy(BiosVersion, ha->nvram->BiosCompatibilityID,
- IPS_COMPAT_ID_LENGTH);
-
- rc = IPS_FAILURE;
- if (ha->subsys->param[4] & IPS_GET_VERSION_SUPPORT) { /* If Versioning is Supported */
- /* Get the Version Info with a Get Version Command */
- memset( VersionInfo, 0, sizeof (IPS_VERSION_DATA));
- rc = ips_get_version_info(ha, ha->ioctl_busaddr, intr);
- if (rc == IPS_SUCCESS)
- memcpy(FirmwareVersion, VersionInfo->compatibilityId,
- IPS_COMPAT_ID_LENGTH);
- }
-
- if (rc != IPS_SUCCESS) { /* If Data Not Obtainable from a GetVersion Command */
- /* Get the Firmware Version from Enquiry Data */
- memcpy(FirmwareVersion, ha->enq->CodeBlkVersion,
- IPS_COMPAT_ID_LENGTH);
- }
-
- /* printk(KERN_WARNING "Adapter's BIOS Version = %s\n", BiosVersion); */
- /* printk(KERN_WARNING "BIOS Compatible Version = %s\n", IPS_COMPAT_BIOS); */
- /* printk(KERN_WARNING "Adapter's Firmware Version = %s\n", FirmwareVersion); */
- /* printk(KERN_WARNING "Firmware Compatible Version = %s \n", Compatable[ ha->nvram->adapter_type ]); */
-
- MatchError = 0;
-
- if (strncmp
- (FirmwareVersion, Compatable[ha->nvram->adapter_type],
- IPS_COMPAT_ID_LENGTH) != 0)
- MatchError = 1;
-
- if (strncmp(BiosVersion, IPS_COMPAT_BIOS, IPS_COMPAT_ID_LENGTH) != 0)
- MatchError = 1;
-
- ha->nvram->versioning = 1; /* Indicate the Driver Supports Versioning */
-
- if (MatchError) {
- ha->nvram->version_mismatch = 1;
- if (ips_cd_boot == 0) {
- strncpy(&BiosString[0], ha->nvram->bios_high, 4);
- strncpy(&BiosString[4], ha->nvram->bios_low, 4);
- BiosString[8] = 0;
-
- strncpy(&FirmwareString[0], ha->enq->CodeBlkVersion, 8);
- FirmwareString[8] = 0;
-
- IPS_PRINTK(KERN_WARNING, ha->pcidev,
- "Warning ! ! ! ServeRAID Version Mismatch\n");
- IPS_PRINTK(KERN_WARNING, ha->pcidev,
- "Bios = %s, Firmware = %s, Device Driver = %s%s\n",
- BiosString, FirmwareString, IPS_VERSION_HIGH,
- IPS_VERSION_LOW);
- IPS_PRINTK(KERN_WARNING, ha->pcidev,
- "These levels should match to avoid possible compatibility problems.\n");
- }
- } else {
- ha->nvram->version_mismatch = 0;
- }
-
- return;
- }
-
- /*---------------------------------------------------------------------------*/
- /* Routine Name: ips_get_version_info */
- /* */
- /* Routine Description: */
- /* Issue an internal GETVERSION Command */
- /* */
- /* Return Value: */
- /* 0 if Successful, else non-zero */
- /*---------------------------------------------------------------------------*/
- static int
- ips_get_version_info(ips_ha_t * ha, dma_addr_t Buffer, int intr)
- {
- ips_scb_t *scb;
- int rc;
-
- METHOD_TRACE("ips_get_version_info", 1);
-
- scb = &ha->scbs[ha->max_cmds - 1];
-
- ips_init_scb(ha, scb);
-
- scb->timeout = ips_cmd_timeout;
- scb->cdb[0] = IPS_CMD_GET_VERSION_INFO;
- scb->cmd.version_info.op_code = IPS_CMD_GET_VERSION_INFO;
- scb->cmd.version_info.command_id = IPS_COMMAND_ID(ha, scb);
- scb->cmd.version_info.reserved = 0;
- scb->cmd.version_info.count = sizeof (IPS_VERSION_DATA);
- scb->cmd.version_info.reserved2 = 0;
- scb->data_len = sizeof (IPS_VERSION_DATA);
- scb->data_busaddr = Buffer;
- scb->cmd.version_info.buffer_addr = Buffer;
- scb->flags = 0;
-
- /* issue command */
- rc = ips_send_wait(ha, scb, ips_cmd_timeout, intr);
- return (rc);
- }
-
/****************************************************************************/
/* */
/* Routine Name: ips_abort_init */
// Initialize the synchronization lock for kernel and LLD
spin_lock_init(&adapter->lock);
- adapter->host_lock = &adapter->lock;
-
// Initialize the command queues: the list of free SCBs and the list
// of pending SCBs.
SCSIHOST2ADAP(host) = (caddr_t)adapter;
adapter->host = host;
- // export the parameters required by the mid-layer
- scsi_assign_lock(host, adapter->host_lock);
-
host->irq = adapter->irq;
host->unique_id = adapter->unique_id;
host->can_queue = adapter->max_cmds;
scp->scsi_done = done;
scp->result = 0;
- assert_spin_locked(adapter->host_lock);
-
- spin_unlock(adapter->host_lock);
-
/*
* Allocate and build a SCB request
* if_busy flag will be set if megaraid_mbox_build_cmd() command could
* return 0 in that case, and we would do the callback right away.
*/
if_busy = 0;
- scb = megaraid_mbox_build_cmd(adapter, scp, &if_busy);
-
- if (scb) {
- megaraid_mbox_runpendq(adapter, scb);
- }
-
- spin_lock(adapter->host_lock);
-
+ scb = megaraid_mbox_build_cmd(adapter, scp, &if_busy);
if (!scb) { // command already completed
done(scp);
return 0;
}
+ megaraid_mbox_runpendq(adapter, scb);
return if_busy;
}
-
/**
* megaraid_mbox_build_cmd - transform the mid-layer scsi command to megaraid
* firmware lingua
megaraid_dealloc_scb(adapter, scb);
// send the scsi packet back to kernel
- spin_lock(adapter->host_lock);
scp->scsi_done(scp);
- spin_unlock(adapter->host_lock);
}
return;
* aborted. All the commands issued to the F/W must complete.
**/
static int
- __megaraid_abort_handler(struct scsi_cmnd *scp)
+ megaraid_abort_handler(struct scsi_cmnd *scp)
{
adapter_t *adapter;
mraid_device_t *raid_dev;
adapter = SCP2ADAPTER(scp);
raid_dev = ADAP2RAIDDEV(adapter);
- assert_spin_locked(adapter->host_lock);
-
con_log(CL_ANN, (KERN_WARNING
"megaraid: aborting-%ld cmd=%x <c=%d t=%d l=%d>\n",
scp->serial_number, scp->cmnd[0], SCP2CHANNEL(scp),
// traverse through the list of all SCB, since driver does not
// maintain these SCBs on any list
found = 0;
+ spin_lock_irq(&adapter->lock);
for (i = 0; i < MBOX_MAX_SCSI_CMDS; i++) {
scb = adapter->kscb_list + i;
}
}
}
+ spin_unlock_irq(&adapter->lock);
if (!found) {
con_log(CL_ANN, (KERN_WARNING
return FAILED;
}
- static int
- megaraid_abort_handler(struct scsi_cmnd *scp)
- {
- adapter_t *adapter;
- int rc;
-
- adapter = SCP2ADAPTER(scp);
-
- spin_lock_irq(adapter->host_lock);
- rc = __megaraid_abort_handler(scp);
- spin_unlock_irq(adapter->host_lock);
-
- return rc;
- }
-
-
/**
* megaraid_reset_handler - device reset hadler for mailbox based driver
* @scp : reference command
* host
**/
static int
- __megaraid_reset_handler(struct scsi_cmnd *scp)
+ megaraid_reset_handler(struct scsi_cmnd *scp)
{
adapter_t *adapter;
scb_t *scb;
adapter = SCP2ADAPTER(scp);
raid_dev = ADAP2RAIDDEV(adapter);
- assert_spin_locked(adapter->host_lock);
-
- con_log(CL_ANN, (KERN_WARNING "megaraid: reseting the host...\n"));
-
// return failure if adapter is not responding
if (raid_dev->hw_error) {
con_log(CL_ANN, (KERN_NOTICE
adapter->outstanding_cmds, MBOX_RESET_WAIT));
}
- spin_unlock(adapter->host_lock);
-
recovery_window = MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT;
recovering = adapter->outstanding_cmds;
msleep(1000);
}
- spin_lock(adapter->host_lock);
+ spin_lock(&adapter->lock);
// If still outstanding commands, bail out
if (adapter->outstanding_cmds) {
raid_dev->hw_error = 1;
- return FAILED;
+ rval = FAILED;
+ goto out;
}
else {
con_log(CL_ANN, (KERN_NOTICE
// If the controller supports clustering, reset reservations
- if (!adapter->ha) return SUCCESS;
+ if (!adapter->ha) {
+ rval = SUCCESS;
+ goto out;
+ }
// clear reservations if any
raw_mbox[0] = CLUSTER_CMD;
"megaraid: reservation reset failed\n"));
}
+ out:
+ spin_unlock_irq(&adapter->lock);
return rval;
}
- static int
- megaraid_reset_handler(struct scsi_cmnd *cmd)
- {
- int rc;
-
- spin_lock_irq(cmd->device->host->host_lock);
- rc = __megaraid_reset_handler(cmd);
- spin_unlock_irq(cmd->device->host->host_lock);
-
- return rc;
- }
-
-
/*
* START: internal commands library
*
/*
* Set the quiescent flag to stop issuing cmds to FW.
*/
- spin_lock_irqsave(adapter->host_lock, flags);
+ spin_lock_irqsave(&adapter->lock, flags);
adapter->quiescent++;
- spin_unlock_irqrestore(adapter->host_lock, flags);
+ spin_unlock_irqrestore(&adapter->lock, flags);
/*
* Wait till there are no more cmds outstanding at FW. Try for at most
{
mraid_device_t *raid_dev = ADAP2RAIDDEV(adapter);
- if (raid_dev->sysfs_uioc) kfree(raid_dev->sysfs_uioc);
-
- if (raid_dev->sysfs_mbox64) kfree(raid_dev->sysfs_mbox64);
+ kfree(raid_dev->sysfs_uioc);
+ kfree(raid_dev->sysfs_mbox64);
if (raid_dev->sysfs_buffer) {
pci_free_consistent(adapter->pdev, PAGE_SIZE,
/*
- * RAID Attributes
+ * raid_class.c - implementation of a simple raid visualisation class
+ *
+ * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
+ *
+ * This file is licensed under GPLv2
+ *
+ * This class is designed to allow raid attributes to be visualised and
+ * manipulated in a form independent of the underlying raid. Ultimately this
+ * should work for both hardware and software raids.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/string.h>
#include <linux/raid_class.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
struct raid_component {
struct list_head node;
- struct device *dev;
+ struct class_device cdev;
int num;
};
BUG_ON(class_get_devdata(cdev));
- rd = kmalloc(sizeof(*rd), GFP_KERNEL);
+ rd = kzalloc(sizeof(*rd), GFP_KERNEL);
if (!rd)
return -ENOMEM;
- memset(rd, 0, sizeof(*rd));
INIT_LIST_HEAD(&rd->component_list);
class_set_devdata(cdev, rd);
{
struct raid_data *rd = class_get_devdata(cdev);
struct raid_component *rc, *next;
+ dev_printk(KERN_ERR, dev, "RAID REMOVE\n");
class_set_devdata(cdev, NULL);
list_for_each_entry_safe(rc, next, &rd->component_list, node) {
- char buf[40];
- snprintf(buf, sizeof(buf), "component-%d", rc->num);
list_del(&rc->node);
- sysfs_remove_link(&cdev->kobj, buf);
- kfree(rc);
+ dev_printk(KERN_ERR, rc->cdev.dev, "RAID COMPONENT REMOVE\n");
+ class_device_unregister(&rc->cdev);
}
- kfree(class_get_devdata(cdev));
+ dev_printk(KERN_ERR, dev, "RAID REMOVE DONE\n");
+ kfree(rd);
return 0;
}
enum raid_state value;
char *name;
} raid_states[] = {
- { RAID_ACTIVE, "active" },
- { RAID_DEGRADED, "degraded" },
- { RAID_RESYNCING, "resyncing" },
- { RAID_OFFLINE, "offline" },
+ { RAID_STATE_UNKNOWN, "unknown" },
+ { RAID_STATE_ACTIVE, "active" },
+ { RAID_STATE_DEGRADED, "degraded" },
+ { RAID_STATE_RESYNCING, "resyncing" },
+ { RAID_STATE_OFFLINE, "offline" },
};
static const char *raid_state_name(enum raid_state state)
return name;
}
+ static struct {
+ enum raid_level value;
+ char *name;
+ } raid_levels[] = {
+ { RAID_LEVEL_UNKNOWN, "unknown" },
+ { RAID_LEVEL_LINEAR, "linear" },
+ { RAID_LEVEL_0, "raid0" },
+ { RAID_LEVEL_1, "raid1" },
+ { RAID_LEVEL_3, "raid3" },
+ { RAID_LEVEL_4, "raid4" },
+ { RAID_LEVEL_5, "raid5" },
+ { RAID_LEVEL_6, "raid6" },
+ };
+
+ static const char *raid_level_name(enum raid_level level)
+ {
+ int i;
+ char *name = NULL;
+
+ for (i = 0; i < sizeof(raid_levels)/sizeof(raid_levels[0]); i++) {
+ if (raid_levels[i].value == level) {
+ name = raid_levels[i].name;
+ break;
+ }
+ }
+ return name;
+ }
#define raid_attr_show_internal(attr, fmt, var, code) \
static ssize_t raid_show_##attr(struct class_device *cdev, char *buf) \
#define raid_attr_ro(attr) raid_attr_ro_internal(attr, )
#define raid_attr_ro_fn(attr) raid_attr_ro_internal(attr, ATTR_CODE(attr))
- #define raid_attr_ro_state(attr) raid_attr_ro_states(attr, attr, ATTR_CODE(attr))
+ #define raid_attr_ro_state(attr) raid_attr_ro_states(attr, attr, )
+ #define raid_attr_ro_state_fn(attr) raid_attr_ro_states(attr, attr, ATTR_CODE(attr))
+
- raid_attr_ro(level);
+ raid_attr_ro_state(level);
raid_attr_ro_fn(resync);
- raid_attr_ro_state(state);
+ raid_attr_ro_state_fn(state);
+
+ static void raid_component_release(struct class_device *cdev)
+ {
+ struct raid_component *rc = container_of(cdev, struct raid_component,
+ cdev);
+ dev_printk(KERN_ERR, rc->cdev.dev, "COMPONENT RELEASE\n");
+ put_device(rc->cdev.dev);
+ kfree(rc);
+ }
void raid_component_add(struct raid_template *r,struct device *raid_dev,
struct device *component_dev)
raid_dev);
struct raid_component *rc;
struct raid_data *rd = class_get_devdata(cdev);
- char buf[40];
- rc = kmalloc(sizeof(*rc), GFP_KERNEL);
+ rc = kzalloc(sizeof(*rc), GFP_KERNEL);
if (!rc)
return;
INIT_LIST_HEAD(&rc->node);
- rc->dev = component_dev;
+ class_device_initialize(&rc->cdev);
+ rc->cdev.release = raid_component_release;
+ rc->cdev.dev = get_device(component_dev);
rc->num = rd->component_count++;
- snprintf(buf, sizeof(buf), "component-%d", rc->num);
+ snprintf(rc->cdev.class_id, sizeof(rc->cdev.class_id),
+ "component-%d", rc->num);
list_add_tail(&rc->node, &rd->component_list);
- sysfs_create_link(&cdev->kobj, &component_dev->kobj, buf);
+ rc->cdev.parent = cdev;
+ rc->cdev.class = &raid_class.class;
+ class_device_add(&rc->cdev);
}
EXPORT_SYMBOL(raid_component_add);
struct raid_template *
raid_class_attach(struct raid_function_template *ft)
{
- struct raid_internal *i = kmalloc(sizeof(struct raid_internal),
+ struct raid_internal *i = kzalloc(sizeof(struct raid_internal),
GFP_KERNEL);
int count = 0;
if (unlikely(!i))
return NULL;
- memset(i, 0, sizeof(*i));
-
i->f = ft;
i->r.raid_attrs.ac.class = &raid_class.class;
#define PCI_DEVICE_ID_IBM_SNIPE 0x0180
#define PCI_DEVICE_ID_IBM_CITRINE 0x028C
#define PCI_DEVICE_ID_IBM_GEMSTONE 0xB166
+ #define PCI_DEVICE_ID_IBM_OBSIDIAN 0x02BD
#define PCI_DEVICE_ID_IBM_ICOM_DEV_ID_1 0x0031
#define PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2 0x0219
#define PCI_DEVICE_ID_IBM_ICOM_V2_TWO_PORTS_RVX 0x021A
#define PCI_DEVICE_ID_MATROX_MIL 0x0519
#define PCI_DEVICE_ID_MATROX_MYS 0x051A
#define PCI_DEVICE_ID_MATROX_MIL_2 0x051b
+#define PCI_DEVICE_ID_MATROX_MYS_AGP 0x051e
#define PCI_DEVICE_ID_MATROX_MIL_2_AGP 0x051f
#define PCI_DEVICE_ID_MATROX_MGA_IMP 0x0d10
#define PCI_DEVICE_ID_MATROX_G100_MM 0x1000
#define PCI_DEVICE_ID_TIGON3_5704 0x1648
#define PCI_DEVICE_ID_TIGON3_5704S_2 0x1649
#define PCI_DEVICE_ID_NX2_5706 0x164a
+#define PCI_DEVICE_ID_NX2_5708 0x164c
#define PCI_DEVICE_ID_TIGON3_5702FE 0x164d
#define PCI_DEVICE_ID_TIGON3_5705 0x1653
#define PCI_DEVICE_ID_TIGON3_5705_2 0x1654
#define PCI_DEVICE_ID_TIGON3_5703X 0x16a7
#define PCI_DEVICE_ID_TIGON3_5704S 0x16a8
#define PCI_DEVICE_ID_NX2_5706S 0x16aa
+#define PCI_DEVICE_ID_NX2_5708S 0x16ac
#define PCI_DEVICE_ID_TIGON3_5702A3 0x16c6
#define PCI_DEVICE_ID_TIGON3_5703A3 0x16c7
#define PCI_DEVICE_ID_TIGON3_5781 0x16dd
#define PCI_DEVICE_ID_ADAPTEC2_7899B 0x00c1
#define PCI_DEVICE_ID_ADAPTEC2_7899D 0x00c3
#define PCI_DEVICE_ID_ADAPTEC2_7899P 0x00cf
+ #define PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN 0x0500
#define PCI_DEVICE_ID_ADAPTEC2_SCAMP 0x0503
projects / firefly-linux-kernel-4.4.55.git / commitdiff