* 2 of the License, or (at your option) any later version.
*
* FILE : megaraid_mbox.c
- * Version : v2.20.4.5 (Feb 03 2005)
+ * Version : v2.20.4.8 (Apr 11 2006)
*
* Authors:
* Atul Mukker <Atul.Mukker@lsil.com>
* Sreenivas Bagalkote <Sreenivas.Bagalkote@lsil.com>
* Manoj Jose <Manoj.Jose@lsil.com>
+ * Seokmann Ju <Seokmann.Ju@lsil.com>
*
* List of supported controllers
*
static int megaraid_probe_one(struct pci_dev*, const struct pci_device_id *);
static void megaraid_detach_one(struct pci_dev *);
-static void megaraid_mbox_shutdown(struct device *);
+static void megaraid_mbox_shutdown(struct pci_dev *);
static int megaraid_io_attach(adapter_t *);
static void megaraid_io_detach(adapter_t *);
static void megaraid_mbox_dpc(unsigned long);
static ssize_t megaraid_sysfs_show_app_hndl(struct class_device *, char *);
-static ssize_t megaraid_sysfs_show_ldnum(struct device *, char *);
+static ssize_t megaraid_sysfs_show_ldnum(struct device *, struct device_attribute *attr, char *);
static int megaraid_cmm_register(adapter_t *);
static int megaraid_cmm_unregister(adapter_t *);
-MODULE_AUTHOR("LSI Logic Corporation");
+MODULE_AUTHOR("sju@lsil.com");
MODULE_DESCRIPTION("LSI Logic MegaRAID Mailbox Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(MEGARAID_VERSION);
* ### global data ###
*/
static uint8_t megaraid_mbox_version[8] =
- { 0x02, 0x20, 0x04, 0x05, 2, 3, 20, 5 };
+ { 0x02, 0x20, 0x04, 0x06, 3, 7, 20, 5 };
/*
},
{
PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_PERC4_QC,
- PCI_VENDOR_ID_DELL,
- PCI_SUBSYS_ID_PERC4_QC,
+ PCI_DEVICE_ID_VERDE,
+ PCI_ANY_ID,
+ PCI_ANY_ID,
},
{
PCI_VENDOR_ID_DELL,
},
{
PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_PERC4E_DC_320_2E,
- PCI_VENDOR_ID_DELL,
- PCI_SUBSYS_ID_PERC4E_DC_320_2E,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_PERC4E_SC_320_1E,
- PCI_VENDOR_ID_DELL,
- PCI_SUBSYS_ID_PERC4E_SC_320_1E,
- },
- {
- PCI_VENDOR_ID_AMI,
- PCI_DEVICE_ID_AMI_MEGARAID3,
- PCI_VENDOR_ID_DELL,
- PCI_SUBSYS_ID_PERC3_QC,
- },
- {
- PCI_VENDOR_ID_AMI,
- PCI_DEVICE_ID_AMI_MEGARAID3,
- PCI_VENDOR_ID_DELL,
- PCI_SUBSYS_ID_PERC3_DC,
+ PCI_DEVICE_ID_DOBSON,
+ PCI_ANY_ID,
+ PCI_ANY_ID,
},
{
PCI_VENDOR_ID_AMI,
PCI_DEVICE_ID_AMI_MEGARAID3,
- PCI_VENDOR_ID_DELL,
- PCI_SUBSYS_ID_PERC3_SC,
- },
- {
- PCI_VENDOR_ID_AMI,
- PCI_DEVICE_ID_AMI_MEGARAID3,
- PCI_VENDOR_ID_AMI,
- PCI_SUBSYS_ID_PERC3_SC,
- },
- {
- PCI_VENDOR_ID_AMI,
- PCI_DEVICE_ID_AMI_MEGARAID3,
- PCI_VENDOR_ID_AMI,
- PCI_SUBSYS_ID_PERC3_DC,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_SCSI_320_0,
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_SUBSYS_ID_MEGARAID_SCSI_320_0,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_SCSI_320_1,
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_SUBSYS_ID_MEGARAID_SCSI_320_1,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_SCSI_320_2,
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_SUBSYS_ID_MEGARAID_SCSI_320_2,
+ PCI_ANY_ID,
+ PCI_ANY_ID,
},
{
PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_SCSI_320_0x,
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_SUBSYS_ID_MEGARAID_SCSI_320_0x,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_SCSI_320_2x,
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_SUBSYS_ID_MEGARAID_SCSI_320_2x,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_SCSI_320_4x,
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_SUBSYS_ID_MEGARAID_SCSI_320_4x,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_SCSI_320_1E,
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_SUBSYS_ID_MEGARAID_SCSI_320_1E,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_SCSI_320_2E,
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_SUBSYS_ID_MEGARAID_SCSI_320_2E,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_I4_133_RAID,
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_SUBSYS_ID_MEGARAID_I4_133_RAID,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_SATA_150_4,
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_SUBSYS_ID_MEGARAID_SATA_150_4,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_SATA_150_6,
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_SUBSYS_ID_MEGARAID_SATA_150_6,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_SATA_300_4x,
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_SUBSYS_ID_MEGARAID_SATA_300_4x,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_SATA_300_8x,
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_SUBSYS_ID_MEGARAID_SATA_300_8x,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_INTEL_RAID_SRCU42X,
- PCI_VENDOR_ID_INTEL,
- PCI_SUBSYS_ID_INTEL_RAID_SRCU42X,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_INTEL_RAID_SRCS16,
- PCI_VENDOR_ID_INTEL,
- PCI_SUBSYS_ID_INTEL_RAID_SRCS16,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_INTEL_RAID_SRCU42E,
- PCI_VENDOR_ID_INTEL,
- PCI_SUBSYS_ID_INTEL_RAID_SRCU42E,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_INTEL_RAID_SRCZCRX,
- PCI_VENDOR_ID_INTEL,
- PCI_SUBSYS_ID_INTEL_RAID_SRCZCRX,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_INTEL_RAID_SRCS28X,
- PCI_VENDOR_ID_INTEL,
- PCI_SUBSYS_ID_INTEL_RAID_SRCS28X,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_INTEL_RAID_SROMBU42E_ALIEF,
- PCI_VENDOR_ID_INTEL,
- PCI_SUBSYS_ID_INTEL_RAID_SROMBU42E_ALIEF,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_INTEL_RAID_SROMBU42E_HARWICH,
- PCI_VENDOR_ID_INTEL,
- PCI_SUBSYS_ID_INTEL_RAID_SROMBU42E_HARWICH,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_INTEL_RAID_SRCU41L_LAKE_SHETEK,
- PCI_VENDOR_ID_INTEL,
- PCI_SUBSYS_ID_INTEL_RAID_SRCU41L_LAKE_SHETEK,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_FSC_MEGARAID_PCI_EXPRESS_ROMB,
- PCI_SUBSYS_ID_FSC,
- PCI_SUBSYS_ID_FSC_MEGARAID_PCI_EXPRESS_ROMB,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_ACER_ROMB_2E,
- PCI_VENDOR_ID_AI,
- PCI_SUBSYS_ID_MEGARAID_ACER_ROMB_2E,
+ PCI_DEVICE_ID_AMI_MEGARAID3,
+ PCI_ANY_ID,
+ PCI_ANY_ID,
},
{
PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_MEGARAID_NEC_ROMB_2E,
- PCI_VENDOR_ID_NEC,
- PCI_SUBSYS_ID_MEGARAID_NEC_ROMB_2E,
+ PCI_DEVICE_ID_LINDSAY,
+ PCI_ANY_ID,
+ PCI_ANY_ID,
},
{0} /* Terminating entry */
};
.id_table = pci_id_table_g,
.probe = megaraid_probe_one,
.remove = __devexit_p(megaraid_detach_one),
- .driver = {
- .shutdown = megaraid_mbox_shutdown,
- }
+ .shutdown = megaraid_mbox_shutdown,
};
// register as a PCI hot-plug driver module
- if ((rval = pci_module_init(&megaraid_pci_driver_g))) {
+ rval = pci_register_driver(&megaraid_pci_driver_g);
+ if (rval < 0) {
con_log(CL_ANN, (KERN_WARNING
"megaraid: could not register hotplug support.\n"));
}
// Setup the default DMA mask. This would be changed later on
// depending on hardware capabilities
- if (pci_set_dma_mask(adapter->pdev, 0xFFFFFFFF) != 0) {
+ if (pci_set_dma_mask(adapter->pdev, DMA_32BIT_MASK) != 0) {
con_log(CL_ANN, (KERN_WARNING
"megaraid: pci_set_dma_mask failed:%d\n", __LINE__));
// 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.
* Shutdown notification, perform flush cache
*/
static void
-megaraid_mbox_shutdown(struct device *device)
+megaraid_mbox_shutdown(struct pci_dev *pdev)
{
- adapter_t *adapter = pci_get_drvdata(to_pci_dev(device));
+ adapter_t *adapter = pci_get_drvdata(pdev);
static int counter;
if (!adapter) {
SCSIHOST2ADAP(host) = (caddr_t)adapter;
adapter->host = host;
- // export the parameters required by the mid-layer
- scsi_assign_lock(host, adapter->host_lock);
- scsi_set_device(host, &adapter->pdev->dev);
-
host->irq = adapter->irq;
host->unique_id = adapter->unique_id;
host->can_queue = adapter->max_cmds;
// Set the DMA mask to 64-bit. All supported controllers as capable of
// DMA in this range
- if (pci_set_dma_mask(adapter->pdev, 0xFFFFFFFFFFFFFFFFULL) != 0) {
+ if (pci_set_dma_mask(adapter->pdev, DMA_64BIT_MASK) != 0) {
con_log(CL_ANN, (KERN_WARNING
"megaraid: could not set DMA mask for 64-bit.\n"));
* return the scb from the head of the free list. NULL if there are none
* available
**/
-static inline scb_t *
+static scb_t *
megaraid_alloc_scb(adapter_t *adapter, struct scsi_cmnd *scp)
{
struct list_head *head = &adapter->kscb_pool;
*
* prepare the scatter-gather list
*/
-static inline int
+static int
megaraid_mbox_mksgl(adapter_t *adapter, scb_t *scb)
{
struct scatterlist *sgl;
*
* post the command to the controller if mailbox is availble.
*/
-static inline int
+static int
mbox_post_cmd(adapter_t *adapter, scb_t *scb)
{
mraid_device_t *raid_dev = ADAP2RAIDDEV(adapter);
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
*
* Returns: 1 if the interrupt is valid, 0 otherwise
*/
-static inline int
+static int
megaraid_ack_sequence(adapter_t *adapter)
{
mraid_device_t *raid_dev = ADAP2RAIDDEV(adapter);
*
* DMA sync if required.
*/
-static inline void
+static void
megaraid_mbox_sync_scb(adapter_t *adapter, scb_t *scb)
{
mbox_ccb_t *ccb;
unsigned long flags;
uint8_t c;
int status;
+ uioc_t *kioc;
if (!adapter) return;
// remove from local clist
list_del_init(&scb->list);
+ kioc = (uioc_t *)scb->gp;
+ kioc->status = 0;
+
megaraid_mbox_mm_done(adapter, scb);
continue;
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;
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;
}
-
/**
* megaraid_reset_handler - device reset hadler for mailbox based driver
* @scp : reference command
int recovery_window;
int recovering;
int i;
+ uioc_t *kioc;
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
// Also, reset all the commands currently owned by the driver
spin_lock_irqsave(PENDING_LIST_LOCK(adapter), flags);
list_for_each_entry_safe(scb, tmp, &adapter->pend_list, list) {
-
list_del_init(&scb->list); // from pending list
- con_log(CL_ANN, (KERN_WARNING
- "megaraid: %ld:%d[%d:%d], reset from pending list\n",
- scp->serial_number, scb->sno,
- scb->dev_channel, scb->dev_target));
+ if (scb->sno >= MBOX_MAX_SCSI_CMDS) {
+ con_log(CL_ANN, (KERN_WARNING
+ "megaraid: IOCTL packet with %d[%d:%d] being reset\n",
+ scb->sno, scb->dev_channel, scb->dev_target));
- scp->result = (DID_RESET << 16);
- scp->scsi_done(scp);
+ scb->status = -1;
- megaraid_dealloc_scb(adapter, scb);
+ kioc = (uioc_t *)scb->gp;
+ kioc->status = -EFAULT;
+
+ megaraid_mbox_mm_done(adapter, scb);
+ } else {
+ if (scb->scp == scp) { // Found command
+ con_log(CL_ANN, (KERN_WARNING
+ "megaraid: %ld:%d[%d:%d], reset from pending list\n",
+ scp->serial_number, scb->sno,
+ scb->dev_channel, scb->dev_target));
+ } else {
+ con_log(CL_ANN, (KERN_WARNING
+ "megaraid: IO packet with %d[%d:%d] being reset\n",
+ scb->sno, scb->dev_channel, scb->dev_target));
+ }
+
+ scb->scp->result = (DID_RESET << 16);
+ scb->scp->scsi_done(scb->scp);
+
+ megaraid_dealloc_scb(adapter, scb);
+ }
}
spin_unlock_irqrestore(PENDING_LIST_LOCK(adapter), flags);
if (adapter->outstanding_cmds) {
con_log(CL_ANN, (KERN_NOTICE
"megaraid: %d outstanding commands. Max wait %d sec\n",
- adapter->outstanding_cmds, MBOX_RESET_WAIT));
+ adapter->outstanding_cmds,
+ (MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT)));
}
- spin_unlock(adapter->host_lock);
-
recovery_window = MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT;
recovering = adapter->outstanding_cmds;
- for (i = 0; i < recovery_window && adapter->outstanding_cmds; i++) {
+ for (i = 0; i < recovery_window; i++) {
megaraid_ack_sequence(adapter);
con_log(CL_ANN, (
"megaraid mbox: Wait for %d commands to complete:%d\n",
adapter->outstanding_cmds,
- MBOX_RESET_WAIT - i));
+ (MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT) - i));
}
// bailout if no recovery happended in reset time
- if ((i == MBOX_RESET_WAIT) &&
- (recovering == adapter->outstanding_cmds)) {
+ if (adapter->outstanding_cmds == 0) {
break;
}
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;
}
-
/*
* START: internal commands library
*
// available within 1 second, assume FW is initializing and wait
// for an extended amount of time
if (mbox->numstatus == 0xFF) { // status not yet available
- udelay(25);;
+ udelay(25);
for (i = 0; mbox->numstatus == 0xFF && i < 1000; i++) {
rmb();
wmb();
WRINDOOR(raid_dev, raid_dev->mbox_dma | 0x1);
- for (i = 0; i < 0xFFFFF; i++) {
+ for (i = 0; i < MBOX_SYNC_WAIT_CNT; i++) {
if (mbox->numstatus != 0xFF) break;
+ rmb();
+ udelay(MBOX_SYNC_DELAY_200);
}
- if (i == 0xFFFFF) {
+ if (i == MBOX_SYNC_WAIT_CNT) {
// We may need to re-calibrate the counter
con_log(CL_ANN, (KERN_CRIT
"megaraid: fast sync command timed out\n"));
adp.drvr_data = (unsigned long)adapter;
adp.pdev = adapter->pdev;
adp.issue_uioc = megaraid_mbox_mm_handler;
- adp.timeout = 300;
+ adp.timeout = MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT;
adp.max_kioc = MBOX_MAX_USER_CMDS;
if ((rval = mraid_mm_register_adp(&adp)) != 0) {
/*
* 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
unsigned long flags;
kioc = (uioc_t *)scb->gp;
- kioc->status = 0;
mbox64 = (mbox64_t *)(unsigned long)kioc->cmdbuf;
mbox64->mbox32.status = scb->status;
raw_mbox = (uint8_t *)&mbox64->mbox32;
{
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,
* @param buf : buffer to send data to
*/
static ssize_t
-megaraid_sysfs_show_ldnum(struct device *dev, char *buf)
+megaraid_sysfs_show_ldnum(struct device *dev, struct device_attribute *attr, char *buf)
{
struct scsi_device *sdev = to_scsi_device(dev);
adapter_t *adapter = (adapter_t *)SCSIHOST2ADAP(sdev->host);
git://git.onelab.eu / linux-2.6.git / blobdiff