* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2000-2010 Adaptec, Inc.
- * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
+ * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
+ * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <linux/kthread.h>
#include <linux/interrupt.h>
#include <linux/semaphore.h>
+#include <linux/bcd.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_device.h>
static int fib_map_alloc(struct aac_dev *dev)
{
+ if (dev->max_fib_size > AAC_MAX_NATIVE_SIZE)
+ dev->max_cmd_size = AAC_MAX_NATIVE_SIZE;
+ else
+ dev->max_cmd_size = dev->max_fib_size;
+ if (dev->max_fib_size < AAC_MAX_NATIVE_SIZE) {
+ dev->max_cmd_size = AAC_MAX_NATIVE_SIZE;
+ } else {
+ dev->max_cmd_size = dev->max_fib_size;
+ }
+
dprintk((KERN_INFO
"allocate hardware fibs pci_alloc_consistent(%p, %d * (%d + %d), %p)\n",
- dev->pdev, dev->max_fib_size, dev->scsi_host_ptr->can_queue,
+ dev->pdev, dev->max_cmd_size, dev->scsi_host_ptr->can_queue,
AAC_NUM_MGT_FIB, &dev->hw_fib_pa));
dev->hw_fib_va = pci_alloc_consistent(dev->pdev,
- (dev->max_fib_size + sizeof(struct aac_fib_xporthdr))
+ (dev->max_cmd_size + sizeof(struct aac_fib_xporthdr))
* (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB) + (ALIGN32 - 1),
&dev->hw_fib_pa);
if (dev->hw_fib_va == NULL)
void aac_fib_map_free(struct aac_dev *dev)
{
- if (dev->hw_fib_va && dev->max_fib_size) {
+ if (dev->hw_fib_va && dev->max_cmd_size) {
pci_free_consistent(dev->pdev,
- (dev->max_fib_size *
+ (dev->max_cmd_size *
(dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB)),
dev->hw_fib_va, dev->hw_fib_pa);
}
struct hw_fib *hw_fib;
dma_addr_t hw_fib_pa;
int i;
+ u32 max_cmds;
while (((i = fib_map_alloc(dev)) == -ENOMEM)
&& (dev->scsi_host_ptr->can_queue > (64 - AAC_NUM_MGT_FIB))) {
- dev->init->MaxIoCommands = cpu_to_le32((dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB) >> 1);
- dev->scsi_host_ptr->can_queue = le32_to_cpu(dev->init->MaxIoCommands) - AAC_NUM_MGT_FIB;
+ max_cmds = (dev->scsi_host_ptr->can_queue+AAC_NUM_MGT_FIB) >> 1;
+ dev->scsi_host_ptr->can_queue = max_cmds - AAC_NUM_MGT_FIB;
+ if (dev->comm_interface != AAC_COMM_MESSAGE_TYPE3)
+ dev->init->r7.max_io_commands = cpu_to_le32(max_cmds);
}
if (i<0)
return -ENOMEM;
(hw_fib_pa - dev->hw_fib_pa));
dev->hw_fib_pa = hw_fib_pa;
memset(dev->hw_fib_va, 0,
- (dev->max_fib_size + sizeof(struct aac_fib_xporthdr)) *
+ (dev->max_cmd_size + sizeof(struct aac_fib_xporthdr)) *
(dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB));
/* add Xport header */
sema_init(&fibptr->event_wait, 0);
spin_lock_init(&fibptr->event_lock);
hw_fib->header.XferState = cpu_to_le32(0xffffffff);
- hw_fib->header.SenderSize = cpu_to_le16(dev->max_fib_size);
+ hw_fib->header.SenderSize =
+ cpu_to_le16(dev->max_fib_size); /* ?? max_cmd_size */
fibptr->hw_fib_pa = hw_fib_pa;
+ fibptr->hw_sgl_pa = hw_fib_pa +
+ offsetof(struct aac_hba_cmd_req, sge[2]);
+ /*
+ * one element is for the ptr to the separate sg list,
+ * second element for 32 byte alignment
+ */
+ fibptr->hw_error_pa = hw_fib_pa +
+ offsetof(struct aac_native_hba, resp.resp_bytes[0]);
+
hw_fib = (struct hw_fib *)((unsigned char *)hw_fib +
- dev->max_fib_size + sizeof(struct aac_fib_xporthdr));
+ dev->max_cmd_size + sizeof(struct aac_fib_xporthdr));
hw_fib_pa = hw_fib_pa +
- dev->max_fib_size + sizeof(struct aac_fib_xporthdr);
+ dev->max_cmd_size + sizeof(struct aac_fib_xporthdr);
}
/*
spin_lock_irqsave(&fibptr->dev->fib_lock, flags);
if (unlikely(fibptr->flags & FIB_CONTEXT_FLAG_TIMED_OUT))
aac_config.fib_timeouts++;
- if (fibptr->hw_fib_va->header.XferState != 0) {
+ if (!(fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
+ fibptr->hw_fib_va->header.XferState != 0) {
printk(KERN_WARNING "aac_fib_free, XferState != 0, fibptr = 0x%p, XferState = 0x%x\n",
(void*)fibptr,
le32_to_cpu(fibptr->hw_fib_va->header.XferState));
* Map the fib into 32bits by using the fib number
*/
- hw_fib->header.SenderFibAddress = cpu_to_le32(((u32)(fibptr - dev->fibs)) << 2);
- hw_fib->header.Handle = (u32)(fibptr - dev->fibs) + 1;
+ hw_fib->header.SenderFibAddress =
+ cpu_to_le32(((u32)(fibptr - dev->fibs)) << 2);
+
+ /* use the same shifted value for handle to be compatible
+ * with the new native hba command handle
+ */
+ hw_fib->header.Handle =
+ cpu_to_le32((((u32)(fibptr - dev->fibs)) << 2) + 1);
+
/*
* Set FIB state to indicate where it came from and if we want a
* response from the adapter. Also load the command from the
return 0;
}
+int aac_hba_send(u8 command, struct fib *fibptr, fib_callback callback,
+ void *callback_data)
+{
+ struct aac_dev *dev = fibptr->dev;
+ int wait;
+ unsigned long flags = 0;
+ unsigned long mflags = 0;
+
+ fibptr->flags = (FIB_CONTEXT_FLAG | FIB_CONTEXT_FLAG_NATIVE_HBA);
+ if (callback) {
+ wait = 0;
+ fibptr->callback = callback;
+ fibptr->callback_data = callback_data;
+ } else
+ wait = 1;
+
+
+ if (command == HBA_IU_TYPE_SCSI_CMD_REQ) {
+ struct aac_hba_cmd_req *hbacmd =
+ (struct aac_hba_cmd_req *)fibptr->hw_fib_va;
+
+ hbacmd->iu_type = command;
+ /* bit1 of request_id must be 0 */
+ hbacmd->request_id =
+ cpu_to_le32((((u32)(fibptr - dev->fibs)) << 2) + 1);
+ } else
+ return -EINVAL;
+
+
+ if (wait) {
+ spin_lock_irqsave(&dev->manage_lock, mflags);
+ if (dev->management_fib_count >= AAC_NUM_MGT_FIB) {
+ spin_unlock_irqrestore(&dev->manage_lock, mflags);
+ return -EBUSY;
+ }
+ dev->management_fib_count++;
+ spin_unlock_irqrestore(&dev->manage_lock, mflags);
+ spin_lock_irqsave(&fibptr->event_lock, flags);
+ }
+
+ if (aac_adapter_deliver(fibptr) != 0) {
+ if (wait) {
+ spin_unlock_irqrestore(&fibptr->event_lock, flags);
+ spin_lock_irqsave(&dev->manage_lock, mflags);
+ dev->management_fib_count--;
+ spin_unlock_irqrestore(&dev->manage_lock, mflags);
+ }
+ return -EBUSY;
+ }
+ FIB_COUNTER_INCREMENT(aac_config.NativeSent);
+
+ if (wait) {
+ spin_unlock_irqrestore(&fibptr->event_lock, flags);
+ /* Only set for first known interruptable command */
+ if (down_interruptible(&fibptr->event_wait)) {
+ fibptr->done = 2;
+ up(&fibptr->event_wait);
+ }
+ spin_lock_irqsave(&fibptr->event_lock, flags);
+ if ((fibptr->done == 0) || (fibptr->done == 2)) {
+ fibptr->done = 2; /* Tell interrupt we aborted */
+ spin_unlock_irqrestore(&fibptr->event_lock, flags);
+ return -ERESTARTSYS;
+ }
+ spin_unlock_irqrestore(&fibptr->event_lock, flags);
+ WARN_ON(fibptr->done == 0);
+
+ if (unlikely(fibptr->flags & FIB_CONTEXT_FLAG_TIMED_OUT))
+ return -ETIMEDOUT;
+
+ return 0;
+ }
+
+ return -EINPROGRESS;
+}
+
/**
* aac_consumer_get - get the top of the queue
* @dev: Adapter
unsigned long qflags;
if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE1 ||
- dev->comm_interface == AAC_COMM_MESSAGE_TYPE2) {
+ dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
+ dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) {
kfree(hw_fib);
return 0;
}
{
struct hw_fib * hw_fib = fibptr->hw_fib_va;
+ if (fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) {
+ fib_dealloc(fibptr);
+ return 0;
+ }
+
/*
- * Check for a fib which has already been completed
+ * Check for a fib which has already been completed or with a
+ * status wait timeout
*/
- if (hw_fib->header.XferState == 0)
+ if (hw_fib->header.XferState == 0 || fibptr->done == 2)
return 0;
/*
* If we plan to do anything check the structure type first.
lun = (container >> 16) & 0xFF;
container = (u32)-1;
channel = aac_phys_to_logical(channel);
- device_config_needed =
- (((__le32 *)aifcmd->data)[0] ==
- cpu_to_le32(AifRawDeviceRemove)) ? DELETE : ADD;
-
- if (device_config_needed == ADD) {
- device = scsi_device_lookup(
- dev->scsi_host_ptr,
- channel, id, lun);
- if (device) {
- scsi_remove_device(device);
- scsi_device_put(device);
- }
- }
+ device_config_needed = DELETE;
break;
+
/*
* Morph or Expand complete
*/
}
}
-static int _aac_reset_adapter(struct aac_dev *aac, int forced)
+static int _aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type)
{
int index, quirks;
int retval;
struct scsi_cmnd *command;
struct scsi_cmnd *command_list;
int jafo = 0;
+ int bled;
/*
* Assumptions:
* If a positive health, means in a known DEAD PANIC
* state and the adapter could be reset to `try again'.
*/
- retval = aac_adapter_restart(aac, forced ? 0 : aac_adapter_check_health(aac));
+ bled = forced ? 0 : aac_adapter_check_health(aac);
+ retval = aac_adapter_restart(aac, bled, reset_type);
if (retval)
goto out;
return retval;
}
-int aac_reset_adapter(struct aac_dev * aac, int forced)
+int aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type)
{
unsigned long flagv = 0;
int retval;
struct Scsi_Host * host;
+ int bled;
if (spin_trylock_irqsave(&aac->fib_lock, flagv) == 0)
return -EBUSY;
if (forced < 2)
aac_send_shutdown(aac);
spin_lock_irqsave(host->host_lock, flagv);
- retval = _aac_reset_adapter(aac, forced ? forced : ((aac_check_reset != 0) && (aac_check_reset != 1)));
+ bled = forced ? forced :
+ (aac_check_reset != 0 && aac_check_reset != 1);
+ retval = _aac_reset_adapter(aac, bled, reset_type);
spin_unlock_irqrestore(host->host_lock, flagv);
if ((forced < 2) && (retval == -ENODEV)) {
unsigned long time_now, flagv = 0;
struct list_head * entry;
struct Scsi_Host * host;
+ int bled;
/* Extending the scope of fib_lock slightly to protect aac->in_reset */
if (spin_trylock_irqsave(&aac->fib_lock, flagv) == 0)
host = aac->scsi_host_ptr;
if (aac->thread->pid != current->pid)
spin_lock_irqsave(host->host_lock, flagv);
- BlinkLED = _aac_reset_adapter(aac, aac_check_reset != 1);
+ bled = aac_check_reset != 1 ? 1 : 0;
+ _aac_reset_adapter(aac, bled, IOP_HWSOFT_RESET);
if (aac->thread->pid != current->pid)
spin_unlock_irqrestore(host->host_lock, flagv);
return BlinkLED;
}
+static void aac_resolve_luns(struct aac_dev *dev)
+{
+ int bus, target, channel;
+ struct scsi_device *sdev;
+ u8 devtype;
+ u8 new_devtype;
+
+ for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
+ for (target = 0; target < AAC_MAX_TARGETS; target++) {
+
+ if (aac_phys_to_logical(bus) == ENCLOSURE_CHANNEL)
+ continue;
+
+ if (bus == CONTAINER_CHANNEL)
+ channel = CONTAINER_CHANNEL;
+ else
+ channel = aac_phys_to_logical(bus);
+
+ devtype = dev->hba_map[bus][target].devtype;
+ new_devtype = dev->hba_map[bus][target].new_devtype;
+
+ sdev = scsi_device_lookup(dev->scsi_host_ptr, channel,
+ target, 0);
+
+ if (!sdev && devtype)
+ scsi_add_device(dev->scsi_host_ptr, channel,
+ target, 0);
+ else if (sdev && new_devtype != devtype)
+ scsi_remove_device(sdev);
+ else if (sdev && new_devtype == devtype)
+ scsi_rescan_device(&sdev->sdev_gendev);
+
+ if (sdev)
+ scsi_device_put(sdev);
+
+ dev->hba_map[bus][target].devtype = new_devtype;
+ }
+ }
+}
+
+/**
+ * aac_handle_sa_aif Handle a message from the firmware
+ * @dev: Which adapter this fib is from
+ * @fibptr: Pointer to fibptr from adapter
+ *
+ * This routine handles a driver notify fib from the adapter and
+ * dispatches it to the appropriate routine for handling.
+ */
+static void aac_handle_sa_aif(struct aac_dev *dev, struct fib *fibptr)
+{
+ int i, bus, target, container, rcode = 0;
+ u32 events = 0;
+ struct fib *fib;
+ struct scsi_device *sdev;
+
+ if (fibptr->hbacmd_size & SA_AIF_HOTPLUG)
+ events = SA_AIF_HOTPLUG;
+ else if (fibptr->hbacmd_size & SA_AIF_HARDWARE)
+ events = SA_AIF_HARDWARE;
+ else if (fibptr->hbacmd_size & SA_AIF_PDEV_CHANGE)
+ events = SA_AIF_PDEV_CHANGE;
+ else if (fibptr->hbacmd_size & SA_AIF_LDEV_CHANGE)
+ events = SA_AIF_LDEV_CHANGE;
+ else if (fibptr->hbacmd_size & SA_AIF_BPSTAT_CHANGE)
+ events = SA_AIF_BPSTAT_CHANGE;
+ else if (fibptr->hbacmd_size & SA_AIF_BPCFG_CHANGE)
+ events = SA_AIF_BPCFG_CHANGE;
+
+ switch (events) {
+ case SA_AIF_HOTPLUG:
+ case SA_AIF_HARDWARE:
+ case SA_AIF_PDEV_CHANGE:
+ case SA_AIF_LDEV_CHANGE:
+ case SA_AIF_BPCFG_CHANGE:
+
+ fib = aac_fib_alloc(dev);
+ if (!fib) {
+ pr_err("aac_handle_sa_aif: out of memory\n");
+ return;
+ }
+ for (bus = 0; bus < AAC_MAX_BUSES; bus++)
+ for (target = 0; target < AAC_MAX_TARGETS; target++)
+ dev->hba_map[bus][target].new_devtype = 0;
+
+ rcode = aac_report_phys_luns(dev, fib, AAC_RESCAN);
+
+ if (rcode != -ERESTARTSYS)
+ aac_fib_free(fib);
+
+ aac_resolve_luns(dev);
+
+ if (events == SA_AIF_LDEV_CHANGE ||
+ events == SA_AIF_BPCFG_CHANGE) {
+ aac_get_containers(dev);
+ for (container = 0; container <
+ dev->maximum_num_containers; ++container) {
+ sdev = scsi_device_lookup(dev->scsi_host_ptr,
+ CONTAINER_CHANNEL,
+ container, 0);
+ if (dev->fsa_dev[container].valid && !sdev) {
+ scsi_add_device(dev->scsi_host_ptr,
+ CONTAINER_CHANNEL,
+ container, 0);
+ } else if (!dev->fsa_dev[container].valid &&
+ sdev) {
+ scsi_remove_device(sdev);
+ scsi_device_put(sdev);
+ } else if (sdev) {
+ scsi_rescan_device(&sdev->sdev_gendev);
+ scsi_device_put(sdev);
+ }
+ }
+ }
+ break;
+
+ case SA_AIF_BPSTAT_CHANGE:
+ /* currently do nothing */
+ break;
+ }
+
+ for (i = 1; i <= 10; ++i) {
+ events = src_readl(dev, MUnit.IDR);
+ if (events & (1<<23)) {
+ pr_warn(" AIF not cleared by firmware - %d/%d)\n",
+ i, 10);
+ ssleep(1);
+ }
+ }
+}
+
+static int get_fib_count(struct aac_dev *dev)
+{
+ unsigned int num = 0;
+ struct list_head *entry;
+ unsigned long flagv;
+
+ /*
+ * Warning: no sleep allowed while
+ * holding spinlock. We take the estimate
+ * and pre-allocate a set of fibs outside the
+ * lock.
+ */
+ num = le32_to_cpu(dev->init->r7.adapter_fibs_size)
+ / sizeof(struct hw_fib); /* some extra */
+ spin_lock_irqsave(&dev->fib_lock, flagv);
+ entry = dev->fib_list.next;
+ while (entry != &dev->fib_list) {
+ entry = entry->next;
+ ++num;
+ }
+ spin_unlock_irqrestore(&dev->fib_lock, flagv);
+
+ return num;
+}
+
+static int fillup_pools(struct aac_dev *dev, struct hw_fib **hw_fib_pool,
+ struct fib **fib_pool,
+ unsigned int num)
+{
+ struct hw_fib **hw_fib_p;
+ struct fib **fib_p;
+ int rcode = 1;
+
+ hw_fib_p = hw_fib_pool;
+ fib_p = fib_pool;
+ while (hw_fib_p < &hw_fib_pool[num]) {
+ *(hw_fib_p) = kmalloc(sizeof(struct hw_fib), GFP_KERNEL);
+ if (!(*(hw_fib_p++))) {
+ --hw_fib_p;
+ break;
+ }
+
+ *(fib_p) = kmalloc(sizeof(struct fib), GFP_KERNEL);
+ if (!(*(fib_p++))) {
+ kfree(*(--hw_fib_p));
+ break;
+ }
+ }
+
+ num = hw_fib_p - hw_fib_pool;
+ if (!num)
+ rcode = 0;
+
+ return rcode;
+}
+
+static void wakeup_fibctx_threads(struct aac_dev *dev,
+ struct hw_fib **hw_fib_pool,
+ struct fib **fib_pool,
+ struct fib *fib,
+ struct hw_fib *hw_fib,
+ unsigned int num)
+{
+ unsigned long flagv;
+ struct list_head *entry;
+ struct hw_fib **hw_fib_p;
+ struct fib **fib_p;
+ u32 time_now, time_last;
+ struct hw_fib *hw_newfib;
+ struct fib *newfib;
+ struct aac_fib_context *fibctx;
+
+ time_now = jiffies/HZ;
+ spin_lock_irqsave(&dev->fib_lock, flagv);
+ entry = dev->fib_list.next;
+ /*
+ * For each Context that is on the
+ * fibctxList, make a copy of the
+ * fib, and then set the event to wake up the
+ * thread that is waiting for it.
+ */
+
+ hw_fib_p = hw_fib_pool;
+ fib_p = fib_pool;
+ while (entry != &dev->fib_list) {
+ /*
+ * Extract the fibctx
+ */
+ fibctx = list_entry(entry, struct aac_fib_context,
+ next);
+ /*
+ * Check if the queue is getting
+ * backlogged
+ */
+ if (fibctx->count > 20) {
+ /*
+ * It's *not* jiffies folks,
+ * but jiffies / HZ so do not
+ * panic ...
+ */
+ time_last = fibctx->jiffies;
+ /*
+ * Has it been > 2 minutes
+ * since the last read off
+ * the queue?
+ */
+ if ((time_now - time_last) > aif_timeout) {
+ entry = entry->next;
+ aac_close_fib_context(dev, fibctx);
+ continue;
+ }
+ }
+ /*
+ * Warning: no sleep allowed while
+ * holding spinlock
+ */
+ if (hw_fib_p >= &hw_fib_pool[num]) {
+ pr_warn("aifd: didn't allocate NewFib\n");
+ entry = entry->next;
+ continue;
+ }
+
+ hw_newfib = *hw_fib_p;
+ *(hw_fib_p++) = NULL;
+ newfib = *fib_p;
+ *(fib_p++) = NULL;
+ /*
+ * Make the copy of the FIB
+ */
+ memcpy(hw_newfib, hw_fib, sizeof(struct hw_fib));
+ memcpy(newfib, fib, sizeof(struct fib));
+ newfib->hw_fib_va = hw_newfib;
+ /*
+ * Put the FIB onto the
+ * fibctx's fibs
+ */
+ list_add_tail(&newfib->fiblink, &fibctx->fib_list);
+ fibctx->count++;
+ /*
+ * Set the event to wake up the
+ * thread that is waiting.
+ */
+ up(&fibctx->wait_sem);
+
+ entry = entry->next;
+ }
+ /*
+ * Set the status of this FIB
+ */
+ *(__le32 *)hw_fib->data = cpu_to_le32(ST_OK);
+ aac_fib_adapter_complete(fib, sizeof(u32));
+ spin_unlock_irqrestore(&dev->fib_lock, flagv);
+
+}
+
+static void aac_process_events(struct aac_dev *dev)
+{
+ struct hw_fib *hw_fib;
+ struct fib *fib;
+ unsigned long flags;
+ spinlock_t *t_lock;
+ unsigned int rcode;
+
+ t_lock = dev->queues->queue[HostNormCmdQueue].lock;
+ spin_lock_irqsave(t_lock, flags);
+
+ while (!list_empty(&(dev->queues->queue[HostNormCmdQueue].cmdq))) {
+ struct list_head *entry;
+ struct aac_aifcmd *aifcmd;
+ unsigned int num;
+ struct hw_fib **hw_fib_pool, **hw_fib_p;
+ struct fib **fib_pool, **fib_p;
+
+ set_current_state(TASK_RUNNING);
+
+ entry = dev->queues->queue[HostNormCmdQueue].cmdq.next;
+ list_del(entry);
+
+ t_lock = dev->queues->queue[HostNormCmdQueue].lock;
+ spin_unlock_irqrestore(t_lock, flags);
+
+ fib = list_entry(entry, struct fib, fiblink);
+ hw_fib = fib->hw_fib_va;
+ if (dev->sa_firmware) {
+ /* Thor AIF */
+ aac_handle_sa_aif(dev, fib);
+ aac_fib_adapter_complete(fib, (u16)sizeof(u32));
+ continue;
+ }
+ /*
+ * We will process the FIB here or pass it to a
+ * worker thread that is TBD. We Really can't
+ * do anything at this point since we don't have
+ * anything defined for this thread to do.
+ */
+ memset(fib, 0, sizeof(struct fib));
+ fib->type = FSAFS_NTC_FIB_CONTEXT;
+ fib->size = sizeof(struct fib);
+ fib->hw_fib_va = hw_fib;
+ fib->data = hw_fib->data;
+ fib->dev = dev;
+ /*
+ * We only handle AifRequest fibs from the adapter.
+ */
+
+ aifcmd = (struct aac_aifcmd *) hw_fib->data;
+ if (aifcmd->command == cpu_to_le32(AifCmdDriverNotify)) {
+ /* Handle Driver Notify Events */
+ aac_handle_aif(dev, fib);
+ *(__le32 *)hw_fib->data = cpu_to_le32(ST_OK);
+ aac_fib_adapter_complete(fib, (u16)sizeof(u32));
+ goto free_fib;
+ }
+ /*
+ * The u32 here is important and intended. We are using
+ * 32bit wrapping time to fit the adapter field
+ */
+
+ /* Sniff events */
+ if (aifcmd->command == cpu_to_le32(AifCmdEventNotify)
+ || aifcmd->command == cpu_to_le32(AifCmdJobProgress)) {
+ aac_handle_aif(dev, fib);
+ }
+
+ /*
+ * get number of fibs to process
+ */
+ num = get_fib_count(dev);
+ if (!num)
+ goto free_fib;
+
+ hw_fib_pool = kmalloc_array(num, sizeof(struct hw_fib *),
+ GFP_KERNEL);
+ if (!hw_fib_pool)
+ goto free_fib;
+
+ fib_pool = kmalloc_array(num, sizeof(struct fib *), GFP_KERNEL);
+ if (!fib_pool)
+ goto free_hw_fib_pool;
+
+ /*
+ * Fill up fib pointer pools with actual fibs
+ * and hw_fibs
+ */
+ rcode = fillup_pools(dev, hw_fib_pool, fib_pool, num);
+ if (!rcode)
+ goto free_mem;
+
+ /*
+ * wakeup the thread that is waiting for
+ * the response from fw (ioctl)
+ */
+ wakeup_fibctx_threads(dev, hw_fib_pool, fib_pool,
+ fib, hw_fib, num);
+
+free_mem:
+ /* Free up the remaining resources */
+ hw_fib_p = hw_fib_pool;
+ fib_p = fib_pool;
+ while (hw_fib_p < &hw_fib_pool[num]) {
+ kfree(*hw_fib_p);
+ kfree(*fib_p);
+ ++fib_p;
+ ++hw_fib_p;
+ }
+ kfree(fib_pool);
+free_hw_fib_pool:
+ kfree(hw_fib_pool);
+free_fib:
+ kfree(fib);
+ t_lock = dev->queues->queue[HostNormCmdQueue].lock;
+ spin_lock_irqsave(t_lock, flags);
+ }
+ /*
+ * There are no more AIF's
+ */
+ t_lock = dev->queues->queue[HostNormCmdQueue].lock;
+ spin_unlock_irqrestore(t_lock, flags);
+}
+
+static int aac_send_wellness_command(struct aac_dev *dev, char *wellness_str,
+ u32 datasize)
+{
+ struct aac_srb *srbcmd;
+ struct sgmap64 *sg64;
+ dma_addr_t addr;
+ char *dma_buf;
+ struct fib *fibptr;
+ int ret = -ENOMEM;
+ u32 vbus, vid;
+
+ fibptr = aac_fib_alloc(dev);
+ if (!fibptr)
+ goto out;
+
+ dma_buf = pci_alloc_consistent(dev->pdev, datasize, &addr);
+ if (!dma_buf)
+ goto fib_free_out;
+
+ aac_fib_init(fibptr);
+
+ vbus = (u32)le16_to_cpu(dev->supplement_adapter_info.VirtDeviceBus);
+ vid = (u32)le16_to_cpu(dev->supplement_adapter_info.VirtDeviceTarget);
+
+ srbcmd = (struct aac_srb *)fib_data(fibptr);
+
+ srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
+ srbcmd->channel = cpu_to_le32(vbus);
+ srbcmd->id = cpu_to_le32(vid);
+ srbcmd->lun = 0;
+ srbcmd->flags = cpu_to_le32(SRB_DataOut);
+ srbcmd->timeout = cpu_to_le32(10);
+ srbcmd->retry_limit = 0;
+ srbcmd->cdb_size = cpu_to_le32(12);
+ srbcmd->count = cpu_to_le32(datasize);
+
+ memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
+ srbcmd->cdb[0] = BMIC_OUT;
+ srbcmd->cdb[6] = WRITE_HOST_WELLNESS;
+ memcpy(dma_buf, (char *)wellness_str, datasize);
+
+ sg64 = (struct sgmap64 *)&srbcmd->sg;
+ sg64->count = cpu_to_le32(1);
+ sg64->sg[0].addr[1] = cpu_to_le32((u32)(((addr) >> 16) >> 16));
+ sg64->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
+ sg64->sg[0].count = cpu_to_le32(datasize);
+
+ ret = aac_fib_send(ScsiPortCommand64, fibptr, sizeof(struct aac_srb),
+ FsaNormal, 1, 1, NULL, NULL);
+
+ pci_free_consistent(dev->pdev, datasize, (void *)dma_buf, addr);
+
+ /*
+ * Do not set XferState to zero unless
+ * receives a response from F/W
+ */
+ if (ret >= 0)
+ aac_fib_complete(fibptr);
+
+ /*
+ * FIB should be freed only after
+ * getting the response from the F/W
+ */
+ if (ret != -ERESTARTSYS)
+ goto fib_free_out;
+
+out:
+ return ret;
+fib_free_out:
+ aac_fib_free(fibptr);
+ goto out;
+}
+
+int aac_send_safw_hostttime(struct aac_dev *dev, struct timeval *now)
+{
+ struct tm cur_tm;
+ char wellness_str[] = "<HW>TD\010\0\0\0\0\0\0\0\0\0DW\0\0ZZ";
+ u32 datasize = sizeof(wellness_str);
+ unsigned long local_time;
+ int ret = -ENODEV;
+
+ if (!dev->sa_firmware)
+ goto out;
+
+ local_time = (u32)(now->tv_sec - (sys_tz.tz_minuteswest * 60));
+ time_to_tm(local_time, 0, &cur_tm);
+ cur_tm.tm_mon += 1;
+ cur_tm.tm_year += 1900;
+ wellness_str[8] = bin2bcd(cur_tm.tm_hour);
+ wellness_str[9] = bin2bcd(cur_tm.tm_min);
+ wellness_str[10] = bin2bcd(cur_tm.tm_sec);
+ wellness_str[12] = bin2bcd(cur_tm.tm_mon);
+ wellness_str[13] = bin2bcd(cur_tm.tm_mday);
+ wellness_str[14] = bin2bcd(cur_tm.tm_year / 100);
+ wellness_str[15] = bin2bcd(cur_tm.tm_year % 100);
+
+ ret = aac_send_wellness_command(dev, wellness_str, datasize);
+
+out:
+ return ret;
+}
+
+int aac_send_hosttime(struct aac_dev *dev, struct timeval *now)
+{
+ int ret = -ENOMEM;
+ struct fib *fibptr;
+ __le32 *info;
+
+ fibptr = aac_fib_alloc(dev);
+ if (!fibptr)
+ goto out;
+
+ aac_fib_init(fibptr);
+ info = (__le32 *)fib_data(fibptr);
+ *info = cpu_to_le32(now->tv_sec);
+ ret = aac_fib_send(SendHostTime, fibptr, sizeof(*info), FsaNormal,
+ 1, 1, NULL, NULL);
+
+ /*
+ * Do not set XferState to zero unless
+ * receives a response from F/W
+ */
+ if (ret >= 0)
+ aac_fib_complete(fibptr);
+
+ /*
+ * FIB should be freed only after
+ * getting the response from the F/W
+ */
+ if (ret != -ERESTARTSYS)
+ aac_fib_free(fibptr);
+
+out:
+ return ret;
+}
+
/**
* aac_command_thread - command processing thread
* @dev: Adapter to monitor
int aac_command_thread(void *data)
{
struct aac_dev *dev = data;
- struct hw_fib *hw_fib, *hw_newfib;
- struct fib *fib, *newfib;
- struct aac_fib_context *fibctx;
- unsigned long flags;
DECLARE_WAITQUEUE(wait, current);
unsigned long next_jiffies = jiffies + HZ;
unsigned long next_check_jiffies = next_jiffies;
set_current_state(TASK_INTERRUPTIBLE);
dprintk ((KERN_INFO "aac_command_thread start\n"));
while (1) {
- spin_lock_irqsave(dev->queues->queue[HostNormCmdQueue].lock, flags);
- while(!list_empty(&(dev->queues->queue[HostNormCmdQueue].cmdq))) {
- struct list_head *entry;
- struct aac_aifcmd * aifcmd;
-
- set_current_state(TASK_RUNNING);
- entry = dev->queues->queue[HostNormCmdQueue].cmdq.next;
- list_del(entry);
-
- spin_unlock_irqrestore(dev->queues->queue[HostNormCmdQueue].lock, flags);
- fib = list_entry(entry, struct fib, fiblink);
- /*
- * We will process the FIB here or pass it to a
- * worker thread that is TBD. We Really can't
- * do anything at this point since we don't have
- * anything defined for this thread to do.
- */
- hw_fib = fib->hw_fib_va;
- memset(fib, 0, sizeof(struct fib));
- fib->type = FSAFS_NTC_FIB_CONTEXT;
- fib->size = sizeof(struct fib);
- fib->hw_fib_va = hw_fib;
- fib->data = hw_fib->data;
- fib->dev = dev;
- /*
- * We only handle AifRequest fibs from the adapter.
- */
- aifcmd = (struct aac_aifcmd *) hw_fib->data;
- if (aifcmd->command == cpu_to_le32(AifCmdDriverNotify)) {
- /* Handle Driver Notify Events */
- aac_handle_aif(dev, fib);
- *(__le32 *)hw_fib->data = cpu_to_le32(ST_OK);
- aac_fib_adapter_complete(fib, (u16)sizeof(u32));
- } else {
- /* The u32 here is important and intended. We are using
- 32bit wrapping time to fit the adapter field */
-
- u32 time_now, time_last;
- unsigned long flagv;
- unsigned num;
- struct hw_fib ** hw_fib_pool, ** hw_fib_p;
- struct fib ** fib_pool, ** fib_p;
-
- /* Sniff events */
- if ((aifcmd->command ==
- cpu_to_le32(AifCmdEventNotify)) ||
- (aifcmd->command ==
- cpu_to_le32(AifCmdJobProgress))) {
- aac_handle_aif(dev, fib);
- }
-
- time_now = jiffies/HZ;
-
- /*
- * Warning: no sleep allowed while
- * holding spinlock. We take the estimate
- * and pre-allocate a set of fibs outside the
- * lock.
- */
- num = le32_to_cpu(dev->init->AdapterFibsSize)
- / sizeof(struct hw_fib); /* some extra */
- spin_lock_irqsave(&dev->fib_lock, flagv);
- entry = dev->fib_list.next;
- while (entry != &dev->fib_list) {
- entry = entry->next;
- ++num;
- }
- spin_unlock_irqrestore(&dev->fib_lock, flagv);
- hw_fib_pool = NULL;
- fib_pool = NULL;
- if (num
- && ((hw_fib_pool = kmalloc(sizeof(struct hw_fib *) * num, GFP_KERNEL)))
- && ((fib_pool = kmalloc(sizeof(struct fib *) * num, GFP_KERNEL)))) {
- hw_fib_p = hw_fib_pool;
- fib_p = fib_pool;
- while (hw_fib_p < &hw_fib_pool[num]) {
- if (!(*(hw_fib_p++) = kmalloc(sizeof(struct hw_fib), GFP_KERNEL))) {
- --hw_fib_p;
- break;
- }
- if (!(*(fib_p++) = kmalloc(sizeof(struct fib), GFP_KERNEL))) {
- kfree(*(--hw_fib_p));
- break;
- }
- }
- if ((num = hw_fib_p - hw_fib_pool) == 0) {
- kfree(fib_pool);
- fib_pool = NULL;
- kfree(hw_fib_pool);
- hw_fib_pool = NULL;
- }
- } else {
- kfree(hw_fib_pool);
- hw_fib_pool = NULL;
- }
- spin_lock_irqsave(&dev->fib_lock, flagv);
- entry = dev->fib_list.next;
- /*
- * For each Context that is on the
- * fibctxList, make a copy of the
- * fib, and then set the event to wake up the
- * thread that is waiting for it.
- */
- hw_fib_p = hw_fib_pool;
- fib_p = fib_pool;
- while (entry != &dev->fib_list) {
- /*
- * Extract the fibctx
- */
- fibctx = list_entry(entry, struct aac_fib_context, next);
- /*
- * Check if the queue is getting
- * backlogged
- */
- if (fibctx->count > 20)
- {
- /*
- * It's *not* jiffies folks,
- * but jiffies / HZ so do not
- * panic ...
- */
- time_last = fibctx->jiffies;
- /*
- * Has it been > 2 minutes
- * since the last read off
- * the queue?
- */
- if ((time_now - time_last) > aif_timeout) {
- entry = entry->next;
- aac_close_fib_context(dev, fibctx);
- continue;
- }
- }
- /*
- * Warning: no sleep allowed while
- * holding spinlock
- */
- if (hw_fib_p < &hw_fib_pool[num]) {
- hw_newfib = *hw_fib_p;
- *(hw_fib_p++) = NULL;
- newfib = *fib_p;
- *(fib_p++) = NULL;
- /*
- * Make the copy of the FIB
- */
- memcpy(hw_newfib, hw_fib, sizeof(struct hw_fib));
- memcpy(newfib, fib, sizeof(struct fib));
- newfib->hw_fib_va = hw_newfib;
- /*
- * Put the FIB onto the
- * fibctx's fibs
- */
- list_add_tail(&newfib->fiblink, &fibctx->fib_list);
- fibctx->count++;
- /*
- * Set the event to wake up the
- * thread that is waiting.
- */
- up(&fibctx->wait_sem);
- } else {
- printk(KERN_WARNING "aifd: didn't allocate NewFib.\n");
- }
- entry = entry->next;
- }
- /*
- * Set the status of this FIB
- */
- *(__le32 *)hw_fib->data = cpu_to_le32(ST_OK);
- aac_fib_adapter_complete(fib, sizeof(u32));
- spin_unlock_irqrestore(&dev->fib_lock, flagv);
- /* Free up the remaining resources */
- hw_fib_p = hw_fib_pool;
- fib_p = fib_pool;
- while (hw_fib_p < &hw_fib_pool[num]) {
- kfree(*hw_fib_p);
- kfree(*fib_p);
- ++fib_p;
- ++hw_fib_p;
- }
- kfree(hw_fib_pool);
- kfree(fib_pool);
- }
- kfree(fib);
- spin_lock_irqsave(dev->queues->queue[HostNormCmdQueue].lock, flags);
- }
- /*
- * There are no more AIF's
- */
- spin_unlock_irqrestore(dev->queues->queue[HostNormCmdQueue].lock, flags);
+ aac_process_events(dev);
/*
* Background activity
/* Don't even try to talk to adapter if its sick */
ret = aac_check_health(dev);
- if (!ret && !dev->queues)
+ if (!dev->queues)
break;
next_check_jiffies = jiffies
+ ((long)(unsigned)check_interval)
difference = (((1000000 - now.tv_usec) * HZ)
+ 500000) / 1000000;
else if (ret == 0) {
- struct fib *fibptr;
-
- if ((fibptr = aac_fib_alloc(dev))) {
- int status;
- __le32 *info;
-
- aac_fib_init(fibptr);
-
- info = (__le32 *) fib_data(fibptr);
- if (now.tv_usec > 500000)
- ++now.tv_sec;
-
- *info = cpu_to_le32(now.tv_sec);
-
- status = aac_fib_send(SendHostTime,
- fibptr,
- sizeof(*info),
- FsaNormal,
- 1, 1,
- NULL,
- NULL);
- /* Do not set XferState to zero unless
- * receives a response from F/W */
- if (status >= 0)
- aac_fib_complete(fibptr);
- /* FIB should be freed only after
- * getting the response from the F/W */
- if (status != -ERESTARTSYS)
- aac_fib_free(fibptr);
- }
+
+ if (now.tv_usec > 500000)
+ ++now.tv_sec;
+
+ if (dev->sa_firmware)
+ ret =
+ aac_send_safw_hostttime(dev, &now);
+ else
+ ret = aac_send_hosttime(dev, &now);
+
difference = (long)(unsigned)update_interval*HZ;
} else {
/* retry shortly */
projects / mirror_ubuntu-artful-kernel.git / blobdiff