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path: root/drivers/scsi/aacraid/dpcsup.c
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Diffstat (limited to 'drivers/scsi/aacraid/dpcsup.c')
-rw-r--r--drivers/scsi/aacraid/dpcsup.c159
1 files changed, 103 insertions, 56 deletions
diff --git a/drivers/scsi/aacraid/dpcsup.c b/drivers/scsi/aacraid/dpcsup.c
index 7e836205aef1..417ba349e10e 100644
--- a/drivers/scsi/aacraid/dpcsup.c
+++ b/drivers/scsi/aacraid/dpcsup.c
@@ -6,7 +6,8 @@
* 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
@@ -122,7 +123,6 @@ unsigned int aac_response_normal(struct aac_queue * q)
* NOTE: we cannot touch the fib after this
* call, because it may have been deallocated.
*/
- fib->flags &= FIB_CONTEXT_FLAG_FASTRESP;
fib->callback(fib->callback_data, fib);
} else {
unsigned long flagv;
@@ -251,8 +251,9 @@ static void aac_aif_callback(void *context, struct fib * fibptr)
BUG_ON(fibptr == NULL);
dev = fibptr->dev;
- if (fibptr->hw_fib_va->header.XferState &
- cpu_to_le32(NoMoreAifDataAvailable)) {
+ if ((fibptr->hw_fib_va->header.XferState &
+ cpu_to_le32(NoMoreAifDataAvailable)) ||
+ dev->sa_firmware) {
aac_fib_complete(fibptr);
aac_fib_free(fibptr);
return;
@@ -282,8 +283,8 @@ static void aac_aif_callback(void *context, struct fib * fibptr)
* know there is a response on our normal priority queue. We will pull off
* all QE there are and wake up all the waiters before exiting.
*/
-unsigned int aac_intr_normal(struct aac_dev *dev, u32 index,
- int isAif, int isFastResponse, struct hw_fib *aif_fib)
+unsigned int aac_intr_normal(struct aac_dev *dev, u32 index, int isAif,
+ int isFastResponse, struct hw_fib *aif_fib)
{
unsigned long mflags;
dprintk((KERN_INFO "aac_intr_normal(%p,%x)\n", dev, index));
@@ -305,12 +306,14 @@ unsigned int aac_intr_normal(struct aac_dev *dev, u32 index,
kfree (fib);
return 1;
}
- if (aif_fib != NULL) {
+ if (dev->sa_firmware) {
+ fib->hbacmd_size = index; /* store event type */
+ } else if (aif_fib != NULL) {
memcpy(hw_fib, aif_fib, sizeof(struct hw_fib));
} else {
- memcpy(hw_fib,
- (struct hw_fib *)(((uintptr_t)(dev->regs.sa)) +
- index), sizeof(struct hw_fib));
+ memcpy(hw_fib, (struct hw_fib *)
+ (((uintptr_t)(dev->regs.sa)) + index),
+ sizeof(struct hw_fib));
}
INIT_LIST_HEAD(&fib->fiblink);
fib->type = FSAFS_NTC_FIB_CONTEXT;
@@ -344,7 +347,7 @@ unsigned int aac_intr_normal(struct aac_dev *dev, u32 index,
(fib_callback)aac_aif_callback, fibctx);
} else {
struct fib *fib = &dev->fibs[index];
- struct hw_fib * hwfib = fib->hw_fib_va;
+ int start_callback = 0;
/*
* Remove this fib from the Outstanding I/O queue.
@@ -362,60 +365,104 @@ unsigned int aac_intr_normal(struct aac_dev *dev, u32 index,
return 0;
}
- if (isFastResponse) {
- /*
- * Doctor the fib
- */
- *(__le32 *)hwfib->data = cpu_to_le32(ST_OK);
- hwfib->header.XferState |= cpu_to_le32(AdapterProcessed);
- fib->flags |= FIB_CONTEXT_FLAG_FASTRESP;
- }
-
FIB_COUNTER_INCREMENT(aac_config.FibRecved);
- if (hwfib->header.Command == cpu_to_le16(NuFileSystem))
- {
- __le32 *pstatus = (__le32 *)hwfib->data;
- if (*pstatus & cpu_to_le32(0xffff0000))
- *pstatus = cpu_to_le32(ST_OK);
- }
- if (hwfib->header.XferState & cpu_to_le32(NoResponseExpected | Async))
- {
- if (hwfib->header.XferState & cpu_to_le32(NoResponseExpected))
- FIB_COUNTER_INCREMENT(aac_config.NoResponseRecved);
- else
- FIB_COUNTER_INCREMENT(aac_config.AsyncRecved);
- /*
- * NOTE: we cannot touch the fib after this
- * call, because it may have been deallocated.
- */
- if (likely(fib->callback && fib->callback_data)) {
- fib->flags &= FIB_CONTEXT_FLAG_FASTRESP;
- fib->callback(fib->callback_data, fib);
- } else
- dev_info(&dev->pdev->dev,
- "Invalid callback_fib[%d] (*%p)(%p)\n",
- index, fib->callback, fib->callback_data);
+ if (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) {
+
+ if (isFastResponse)
+ fib->flags |= FIB_CONTEXT_FLAG_FASTRESP;
+
+ if (fib->callback) {
+ start_callback = 1;
+ } else {
+ unsigned long flagv;
+ int complete = 0;
+
+ dprintk((KERN_INFO "event_wait up\n"));
+ spin_lock_irqsave(&fib->event_lock, flagv);
+ if (fib->done == 2) {
+ fib->done = 1;
+ complete = 1;
+ } else {
+ fib->done = 1;
+ up(&fib->event_wait);
+ }
+ spin_unlock_irqrestore(&fib->event_lock, flagv);
+
+ spin_lock_irqsave(&dev->manage_lock, mflags);
+ dev->management_fib_count--;
+ spin_unlock_irqrestore(&dev->manage_lock,
+ mflags);
+
+ FIB_COUNTER_INCREMENT(aac_config.NativeRecved);
+ if (complete)
+ aac_fib_complete(fib);
+ }
} else {
- unsigned long flagv;
- dprintk((KERN_INFO "event_wait up\n"));
- spin_lock_irqsave(&fib->event_lock, flagv);
- if (!fib->done) {
- fib->done = 1;
- up(&fib->event_wait);
+ struct hw_fib *hwfib = fib->hw_fib_va;
+
+ if (isFastResponse) {
+ /* Doctor the fib */
+ *(__le32 *)hwfib->data = cpu_to_le32(ST_OK);
+ hwfib->header.XferState |=
+ cpu_to_le32(AdapterProcessed);
+ fib->flags |= FIB_CONTEXT_FLAG_FASTRESP;
}
- spin_unlock_irqrestore(&fib->event_lock, flagv);
- spin_lock_irqsave(&dev->manage_lock, mflags);
- dev->management_fib_count--;
- spin_unlock_irqrestore(&dev->manage_lock, mflags);
+ if (hwfib->header.Command ==
+ cpu_to_le16(NuFileSystem)) {
+ __le32 *pstatus = (__le32 *)hwfib->data;
- FIB_COUNTER_INCREMENT(aac_config.NormalRecved);
- if (fib->done == 2) {
+ if (*pstatus & cpu_to_le32(0xffff0000))
+ *pstatus = cpu_to_le32(ST_OK);
+ }
+ if (hwfib->header.XferState &
+ cpu_to_le32(NoResponseExpected | Async)) {
+ if (hwfib->header.XferState & cpu_to_le32(
+ NoResponseExpected))
+ FIB_COUNTER_INCREMENT(
+ aac_config.NoResponseRecved);
+ else
+ FIB_COUNTER_INCREMENT(
+ aac_config.AsyncRecved);
+ start_callback = 1;
+ } else {
+ unsigned long flagv;
+ int complete = 0;
+
+ dprintk((KERN_INFO "event_wait up\n"));
spin_lock_irqsave(&fib->event_lock, flagv);
- fib->done = 0;
+ if (fib->done == 2) {
+ fib->done = 1;
+ complete = 1;
+ } else {
+ fib->done = 1;
+ up(&fib->event_wait);
+ }
spin_unlock_irqrestore(&fib->event_lock, flagv);
+
+ spin_lock_irqsave(&dev->manage_lock, mflags);
+ dev->management_fib_count--;
+ spin_unlock_irqrestore(&dev->manage_lock,
+ mflags);
+
+ FIB_COUNTER_INCREMENT(aac_config.NormalRecved);
+ if (complete)
+ aac_fib_complete(fib);
+ }
+ }
+
+
+ if (start_callback) {
+ /*
+ * NOTE: we cannot touch the fib after this
+ * call, because it may have been deallocated.
+ */
+ if (likely(fib->callback && fib->callback_data)) {
+ fib->callback(fib->callback_data, fib);
+ } else {
aac_fib_complete(fib);
+ aac_fib_free(fib);
}
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.