aboutsummaryrefslogtreecommitdiff
path: root/drivers/scsi/aacraid/commctrl.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/aacraid/commctrl.c')
-rw-r--r--drivers/scsi/aacraid/commctrl.c200
1 files changed, 125 insertions, 75 deletions
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index 72b0393b459..fbcd48d0bfc 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -1,11 +1,12 @@
/*
* Adaptec AAC series RAID controller driver
- * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
+ * (c) Copyright 2001 Red Hat Inc.
*
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
- * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
+ * Copyright (c) 2000-2010 Adaptec, Inc.
+ * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.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
@@ -39,8 +40,9 @@
#include <linux/blkdev.h>
#include <linux/delay.h> /* ssleep prototype */
#include <linux/kthread.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>
#include <asm/uaccess.h>
+#include <scsi/scsi_host.h>
#include "aacraid.h"
@@ -48,13 +50,13 @@
* ioctl_send_fib - send a FIB from userspace
* @dev: adapter is being processed
* @arg: arguments to the ioctl call
- *
+ *
* This routine sends a fib to the adapter on behalf of a user level
* program.
*/
# define AAC_DEBUG_PREAMBLE KERN_INFO
# define AAC_DEBUG_POSTAMBLE
-
+
static int ioctl_send_fib(struct aac_dev * dev, void __user *arg)
{
struct hw_fib * kfib;
@@ -71,7 +73,7 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg)
if(fibptr == NULL) {
return -ENOMEM;
}
-
+
kfib = fibptr->hw_fib_va;
/*
* First copy in the header so that we can check the size field.
@@ -89,14 +91,24 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg)
if (size < le16_to_cpu(kfib->header.SenderSize))
size = le16_to_cpu(kfib->header.SenderSize);
if (size > dev->max_fib_size) {
+ dma_addr_t daddr;
+
if (size > 2048) {
retval = -EINVAL;
goto cleanup;
}
+
+ kfib = pci_alloc_consistent(dev->pdev, size, &daddr);
+ if (!kfib) {
+ retval = -ENOMEM;
+ goto cleanup;
+ }
+
/* Highjack the hw_fib */
hw_fib = fibptr->hw_fib_va;
hw_fib_pa = fibptr->hw_fib_pa;
- fibptr->hw_fib_va = kfib = pci_alloc_consistent(dev->pdev, size, &fibptr->hw_fib_pa);
+ fibptr->hw_fib_va = kfib;
+ fibptr->hw_fib_pa = daddr;
memset(((char *)kfib) + dev->max_fib_size, 0, size - dev->max_fib_size);
memcpy(kfib, hw_fib, dev->max_fib_size);
}
@@ -109,7 +121,7 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg)
if (kfib->header.Command == cpu_to_le16(TakeABreakPt)) {
aac_adapter_interrupt(dev);
/*
- * Since we didn't really send a fib, zero out the state to allow
+ * Since we didn't really send a fib, zero out the state to allow
* cleanup code not to assert.
*/
kfib->header.XferState = 0;
@@ -142,7 +154,7 @@ cleanup:
fibptr->hw_fib_pa = hw_fib_pa;
fibptr->hw_fib_va = hw_fib;
}
- if (retval != -EINTR)
+ if (retval != -ERESTARTSYS)
aac_fib_free(fibptr);
return retval;
}
@@ -169,7 +181,7 @@ static int open_getadapter_fib(struct aac_dev * dev, void __user *arg)
fibctx->type = FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT;
fibctx->size = sizeof(struct aac_fib_context);
- /*
+ /*
* Yes yes, I know this could be an index, but we have a
* better guarantee of uniqueness for the locked loop below.
* Without the aid of a persistent history, this also helps
@@ -179,7 +191,7 @@ static int open_getadapter_fib(struct aac_dev * dev, void __user *arg)
/*
* Initialize the mutex used to wait for the next AIF.
*/
- init_MUTEX_LOCKED(&fibctx->wait_sem);
+ sema_init(&fibctx->wait_sem, 0);
fibctx->wait = 0;
/*
* Initialize the fibs and set the count of fibs on
@@ -189,7 +201,7 @@ static int open_getadapter_fib(struct aac_dev * dev, void __user *arg)
INIT_LIST_HEAD(&fibctx->fib_list);
fibctx->jiffies = jiffies/HZ;
/*
- * Now add this context onto the adapter's
+ * Now add this context onto the adapter's
* AdapterFibContext list.
*/
spin_lock_irqsave(&dev->fib_lock, flags);
@@ -207,12 +219,12 @@ static int open_getadapter_fib(struct aac_dev * dev, void __user *arg)
}
list_add_tail(&fibctx->next, &dev->fib_list);
spin_unlock_irqrestore(&dev->fib_lock, flags);
- if (copy_to_user(arg, &fibctx->unique,
+ if (copy_to_user(arg, &fibctx->unique,
sizeof(fibctx->unique))) {
status = -EFAULT;
} else {
status = 0;
- }
+ }
}
return status;
}
@@ -221,8 +233,8 @@ static int open_getadapter_fib(struct aac_dev * dev, void __user *arg)
* next_getadapter_fib - get the next fib
* @dev: adapter to use
* @arg: ioctl argument
- *
- * This routine will get the next Fib, if available, from the AdapterFibContext
+ *
+ * This routine will get the next Fib, if available, from the AdapterFibContext
* passed in from the user.
*/
@@ -234,7 +246,7 @@ static int next_getadapter_fib(struct aac_dev * dev, void __user *arg)
int status;
struct list_head * entry;
unsigned long flags;
-
+
if(copy_from_user((void *)&f, arg, sizeof(struct fib_ioctl)))
return -EFAULT;
/*
@@ -243,6 +255,7 @@ static int next_getadapter_fib(struct aac_dev * dev, void __user *arg)
* Search the list of AdapterFibContext addresses on the adapter
* to be sure this is a valid address
*/
+ spin_lock_irqsave(&dev->fib_lock, flags);
entry = dev->fib_list.next;
fibctx = NULL;
@@ -251,37 +264,37 @@ static int next_getadapter_fib(struct aac_dev * dev, void __user *arg)
/*
* Extract the AdapterFibContext from the Input parameters.
*/
- if (fibctx->unique == f.fibctx) { /* We found a winner */
+ if (fibctx->unique == f.fibctx) { /* We found a winner */
break;
}
entry = entry->next;
fibctx = NULL;
}
if (!fibctx) {
+ spin_unlock_irqrestore(&dev->fib_lock, flags);
dprintk ((KERN_INFO "Fib Context not found\n"));
return -EINVAL;
}
if((fibctx->type != FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT) ||
(fibctx->size != sizeof(struct aac_fib_context))) {
+ spin_unlock_irqrestore(&dev->fib_lock, flags);
dprintk ((KERN_INFO "Fib Context corrupt?\n"));
return -EINVAL;
}
status = 0;
- spin_lock_irqsave(&dev->fib_lock, flags);
/*
* If there are no fibs to send back, then either wait or return
* -EAGAIN
*/
return_fib:
if (!list_empty(&fibctx->fib_list)) {
- struct list_head * entry;
/*
* Pull the next fib from the fibs
*/
entry = fibctx->fib_list.next;
list_del(entry);
-
+
fib = list_entry(entry, struct fib, fiblink);
fibctx->count--;
spin_unlock_irqrestore(&dev->fib_lock, flags);
@@ -289,7 +302,7 @@ return_fib:
kfree(fib->hw_fib_va);
kfree(fib);
return -EFAULT;
- }
+ }
/*
* Free the space occupied by this copy of the fib.
*/
@@ -305,12 +318,13 @@ return_fib:
kthread_stop(dev->thread);
ssleep(1);
dev->aif_thread = 0;
- dev->thread = kthread_run(aac_command_thread, dev, dev->name);
+ dev->thread = kthread_run(aac_command_thread, dev,
+ "%s", dev->name);
ssleep(1);
}
if (f.wait) {
if(down_interruptible(&fibctx->wait_sem) < 0) {
- status = -EINTR;
+ status = -ERESTARTSYS;
} else {
/* Lock again and retry */
spin_lock_irqsave(&dev->fib_lock, flags);
@@ -318,7 +332,7 @@ return_fib:
}
} else {
status = -EAGAIN;
- }
+ }
}
fibctx->jiffies = jiffies/HZ;
return status;
@@ -368,7 +382,7 @@ int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context * fibctx)
*
* This routine will close down the fibctx passed in from the user.
*/
-
+
static int close_getadapter_fib(struct aac_dev * dev, void __user *arg)
{
struct aac_fib_context *fibctx;
@@ -391,7 +405,7 @@ static int close_getadapter_fib(struct aac_dev * dev, void __user *arg)
/*
* Extract the fibctx from the input parameters
*/
- if (fibctx->unique == (u32)(ptrdiff_t)arg) /* We found a winner */
+ if (fibctx->unique == (u32)(uintptr_t)arg) /* We found a winner */
break;
entry = entry->next;
fibctx = NULL;
@@ -415,8 +429,8 @@ static int close_getadapter_fib(struct aac_dev * dev, void __user *arg)
* @arg: ioctl arguments
*
* This routine returns the driver version.
- * Under Linux, there have been no version incompatibilities, so this is
- * simple!
+ * Under Linux, there have been no version incompatibilities, so this is
+ * simple!
*/
static int check_revision(struct aac_dev *dev, void __user *arg)
@@ -426,12 +440,12 @@ static int check_revision(struct aac_dev *dev, void __user *arg)
u32 version;
response.compat = 1;
- version = (simple_strtol(driver_version,
+ version = (simple_strtol(driver_version,
&driver_version, 10) << 24) | 0x00000400;
version += simple_strtol(driver_version + 1, &driver_version, 10) << 16;
version += simple_strtol(driver_version + 1, NULL, 10);
response.version = cpu_to_le32(version);
-# if (defined(AAC_DRIVER_BUILD))
+# ifdef AAC_DRIVER_BUILD
response.build = cpu_to_le32(AAC_DRIVER_BUILD);
# else
response.build = cpu_to_le32(9999);
@@ -464,7 +478,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
u32 data_dir;
void __user *sg_user[32];
void *sg_list[32];
- u32 sg_indx = 0;
+ u32 sg_indx = 0;
u32 byte_count = 0;
u32 actual_fibsize64, actual_fibsize = 0;
int i;
@@ -475,7 +489,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
return -EBUSY;
}
if (!capable(CAP_SYS_ADMIN)){
- dprintk((KERN_DEBUG"aacraid: No permission to send raw srb\n"));
+ dprintk((KERN_DEBUG"aacraid: No permission to send raw srb\n"));
return -EPERM;
}
/*
@@ -485,17 +499,20 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
return -ENOMEM;
}
aac_fib_init(srbfib);
+ /* raw_srb FIB is not FastResponseCapable */
+ srbfib->hw_fib_va->header.XferState &= ~cpu_to_le32(FastResponseCapable);
srbcmd = (struct aac_srb*) fib_data(srbfib);
memset(sg_list, 0, sizeof(sg_list)); /* cleanup may take issue */
if(copy_from_user(&fibsize, &user_srb->count,sizeof(u32))){
- dprintk((KERN_DEBUG"aacraid: Could not copy data size from user\n"));
+ dprintk((KERN_DEBUG"aacraid: Could not copy data size from user\n"));
rcode = -EFAULT;
goto cleanup;
}
- if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))) {
+ if ((fibsize < (sizeof(struct user_aac_srb) - sizeof(struct user_sgentry))) ||
+ (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))) {
rcode = -EINVAL;
goto cleanup;
}
@@ -507,7 +524,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
goto cleanup;
}
if(copy_from_user(user_srbcmd, user_srb,fibsize)){
- dprintk((KERN_DEBUG"aacraid: Could not copy srb from user\n"));
+ dprintk((KERN_DEBUG"aacraid: Could not copy srb from user\n"));
rcode = -EFAULT;
goto cleanup;
}
@@ -518,15 +535,15 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
// Fix up srb for endian and force some values
srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); // Force this
- srbcmd->channel = cpu_to_le32(user_srbcmd->channel);
+ srbcmd->channel = cpu_to_le32(user_srbcmd->channel);
srbcmd->id = cpu_to_le32(user_srbcmd->id);
- srbcmd->lun = cpu_to_le32(user_srbcmd->lun);
- srbcmd->timeout = cpu_to_le32(user_srbcmd->timeout);
- srbcmd->flags = cpu_to_le32(flags);
+ srbcmd->lun = cpu_to_le32(user_srbcmd->lun);
+ srbcmd->timeout = cpu_to_le32(user_srbcmd->timeout);
+ srbcmd->flags = cpu_to_le32(flags);
srbcmd->retry_limit = 0; // Obsolete parameter
srbcmd->cdb_size = cpu_to_le32(user_srbcmd->cdb_size);
memcpy(srbcmd->cdb, user_srbcmd->cdb, sizeof(srbcmd->cdb));
-
+
switch (flags & (SRB_DataIn | SRB_DataOut)) {
case SRB_DataOut:
data_dir = DMA_TO_DEVICE;
@@ -580,9 +597,17 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
for (i = 0; i < upsg->count; i++) {
u64 addr;
void* p;
+ if (upsg->sg[i].count >
+ ((dev->adapter_info.options &
+ AAC_OPT_NEW_COMM) ?
+ (dev->scsi_host_ptr->max_sectors << 9) :
+ 65536)) {
+ rcode = -EINVAL;
+ goto cleanup;
+ }
/* Does this really need to be GFP_DMA? */
p = kmalloc(upsg->sg[i].count,GFP_KERNEL|__GFP_DMA);
- if(p == 0) {
+ if(!p) {
dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
upsg->sg[i].count,i,upsg->count));
rcode = -ENOMEM;
@@ -590,11 +615,11 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
}
addr = (u64)upsg->sg[i].addr[0];
addr += ((u64)upsg->sg[i].addr[1]) << 32;
- sg_user[i] = (void __user *)(ptrdiff_t)addr;
+ sg_user[i] = (void __user *)(uintptr_t)addr;
sg_list[i] = p; // save so we can clean up later
sg_indx = i;
- if( flags & SRB_DataOut ){
+ if (flags & SRB_DataOut) {
if(copy_from_user(p,sg_user[i],upsg->sg[i].count)){
dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n"));
rcode = -EFAULT;
@@ -624,20 +649,29 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
for (i = 0; i < usg->count; i++) {
u64 addr;
void* p;
+ if (usg->sg[i].count >
+ ((dev->adapter_info.options &
+ AAC_OPT_NEW_COMM) ?
+ (dev->scsi_host_ptr->max_sectors << 9) :
+ 65536)) {
+ kfree(usg);
+ rcode = -EINVAL;
+ goto cleanup;
+ }
/* Does this really need to be GFP_DMA? */
p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA);
- if(p == 0) {
- kfree (usg);
- dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
+ if(!p) {
+ dprintk((KERN_DEBUG "aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
usg->sg[i].count,i,usg->count));
+ kfree(usg);
rcode = -ENOMEM;
goto cleanup;
}
- sg_user[i] = (void __user *)(ptrdiff_t)usg->sg[i].addr;
+ sg_user[i] = (void __user *)(uintptr_t)usg->sg[i].addr;
sg_list[i] = p; // save so we can clean up later
sg_indx = i;
- if( flags & SRB_DataOut ){
+ if (flags & SRB_DataOut) {
if(copy_from_user(p,sg_user[i],upsg->sg[i].count)){
kfree (usg);
dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n"));
@@ -664,11 +698,19 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
if (actual_fibsize64 == fibsize) {
struct user_sgmap64* usg = (struct user_sgmap64 *)upsg;
for (i = 0; i < upsg->count; i++) {
- u64 addr;
+ uintptr_t addr;
void* p;
+ if (usg->sg[i].count >
+ ((dev->adapter_info.options &
+ AAC_OPT_NEW_COMM) ?
+ (dev->scsi_host_ptr->max_sectors << 9) :
+ 65536)) {
+ rcode = -EINVAL;
+ goto cleanup;
+ }
/* Does this really need to be GFP_DMA? */
p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA);
- if(p == 0) {
+ if(!p) {
dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
usg->sg[i].count,i,usg->count));
rcode = -ENOMEM;
@@ -676,11 +718,11 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
}
addr = (u64)usg->sg[i].addr[0];
addr += ((u64)usg->sg[i].addr[1]) << 32;
- sg_user[i] = (void __user *)(ptrdiff_t)addr;
+ sg_user[i] = (void __user *)addr;
sg_list[i] = p; // save so we can clean up later
sg_indx = i;
- if( flags & SRB_DataOut ){
+ if (flags & SRB_DataOut) {
if(copy_from_user(p,sg_user[i],usg->sg[i].count)){
dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n"));
rcode = -EFAULT;
@@ -697,18 +739,26 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
for (i = 0; i < upsg->count; i++) {
dma_addr_t addr;
void* p;
+ if (upsg->sg[i].count >
+ ((dev->adapter_info.options &
+ AAC_OPT_NEW_COMM) ?
+ (dev->scsi_host_ptr->max_sectors << 9) :
+ 65536)) {
+ rcode = -EINVAL;
+ goto cleanup;
+ }
p = kmalloc(upsg->sg[i].count, GFP_KERNEL);
- if(p == 0) {
+ if (!p) {
dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
upsg->sg[i].count, i, upsg->count));
rcode = -ENOMEM;
goto cleanup;
}
- sg_user[i] = (void __user *)(ptrdiff_t)upsg->sg[i].addr;
+ sg_user[i] = (void __user *)(uintptr_t)upsg->sg[i].addr;
sg_list[i] = p; // save so we can clean up later
sg_indx = i;
- if( flags & SRB_DataOut ){
+ if (flags & SRB_DataOut) {
if(copy_from_user(p, sg_user[i],
upsg->sg[i].count)) {
dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n"));
@@ -728,25 +778,25 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
psg->count = cpu_to_le32(sg_indx+1);
status = aac_fib_send(ScsiPortCommand, srbfib, actual_fibsize, FsaNormal, 1, 1, NULL, NULL);
}
- if (status == -EINTR) {
- rcode = -EINTR;
+ if (status == -ERESTARTSYS) {
+ rcode = -ERESTARTSYS;
goto cleanup;
}
if (status != 0){
- dprintk((KERN_DEBUG"aacraid: Could not send raw srb fib to hba\n"));
+ dprintk((KERN_DEBUG"aacraid: Could not send raw srb fib to hba\n"));
rcode = -ENXIO;
goto cleanup;
}
- if( flags & SRB_DataIn ) {
+ if (flags & SRB_DataIn) {
for(i = 0 ; i <= sg_indx; i++){
byte_count = le32_to_cpu(
(dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)
? ((struct sgmap64*)&srbcmd->sg)->sg[i].count
: srbcmd->sg.sg[i].count);
if(copy_to_user(sg_user[i], sg_list[i], byte_count)){
- dprintk((KERN_DEBUG"aacraid: Could not copy sg data to user\n"));
+ dprintk((KERN_DEBUG"aacraid: Could not copy sg data to user\n"));
rcode = -EFAULT;
goto cleanup;
@@ -756,7 +806,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
reply = (struct aac_srb_reply *) fib_data(srbfib);
if(copy_to_user(user_reply,reply,sizeof(struct aac_srb_reply))){
- dprintk((KERN_DEBUG"aacraid: Could not copy reply to user\n"));
+ dprintk((KERN_DEBUG"aacraid: Could not copy reply to user\n"));
rcode = -EFAULT;
goto cleanup;
}
@@ -766,7 +816,7 @@ cleanup:
for(i=0; i <= sg_indx; i++){
kfree(sg_list[i]);
}
- if (rcode != -EINTR) {
+ if (rcode != -ERESTARTSYS) {
aac_fib_complete(srbfib);
aac_fib_free(srbfib);
}
@@ -775,36 +825,36 @@ cleanup:
}
struct aac_pci_info {
- u32 bus;
- u32 slot;
+ u32 bus;
+ u32 slot;
};
static int aac_get_pci_info(struct aac_dev* dev, void __user *arg)
{
- struct aac_pci_info pci_info;
+ struct aac_pci_info pci_info;
pci_info.bus = dev->pdev->bus->number;
pci_info.slot = PCI_SLOT(dev->pdev->devfn);
- if (copy_to_user(arg, &pci_info, sizeof(struct aac_pci_info))) {
- dprintk((KERN_DEBUG "aacraid: Could not copy pci info\n"));
- return -EFAULT;
+ if (copy_to_user(arg, &pci_info, sizeof(struct aac_pci_info))) {
+ dprintk((KERN_DEBUG "aacraid: Could not copy pci info\n"));
+ return -EFAULT;
}
- return 0;
+ return 0;
}
-
+
int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg)
{
int status;
-
+
/*
* HBA gets first crack
*/
-
+
status = aac_dev_ioctl(dev, cmd, arg);
- if(status != -ENOTTY)
+ if (status != -ENOTTY)
return status;
switch (cmd) {
@@ -832,7 +882,7 @@ int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg)
break;
default:
status = -ENOTTY;
- break;
+ break;
}
return status;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-07 15:59:32 +0000