X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fscsi%2Faacraid%2Fcommctrl.c;h=5fd83deab36ca6f1bf0834c83e4714fae63b124a;hb=be2e88011bd800222bfd7b477c727966f93186a9;hp=1e6d7a9c75bfa28e2f62a5d45d4accd53f572925;hpb=03bbe082cffc4533f6557bf23f0c672307067246;p=linux-2.6 diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c index 1e6d7a9c75..5fd83deab3 100644 --- a/drivers/scsi/aacraid/commctrl.c +++ b/drivers/scsi/aacraid/commctrl.c @@ -39,7 +39,7 @@ #include #include /* ssleep prototype */ #include -#include +#include #include #include "aacraid.h" @@ -48,13 +48,13 @@ * 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 +71,7 @@ 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. @@ -109,7 +109,7 @@ 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; @@ -169,7 +169,7 @@ 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 @@ -189,7 +189,7 @@ 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 +207,12 @@ 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 +221,8 @@ 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 +234,7 @@ 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 +243,7 @@ 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 +252,37 @@ 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 +290,7 @@ return_fib: kfree(fib->hw_fib_va); kfree(fib); return -EFAULT; - } + } /* * Free the space occupied by this copy of the fib. */ @@ -318,7 +319,7 @@ return_fib: } } else { status = -EAGAIN; - } + } } fibctx->jiffies = jiffies/HZ; return status; @@ -368,7 +369,7 @@ 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; @@ -415,8 +416,8 @@ 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 +427,12 @@ 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 +465,7 @@ 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 +476,7 @@ 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; } /* @@ -490,7 +491,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) 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; } @@ -507,7 +508,7 @@ 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 +519,15 @@ 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; @@ -582,7 +583,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) void* p; /* 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; @@ -594,7 +595,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) 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; @@ -626,7 +627,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) void* p; /* Does this really need to be GFP_DMA? */ p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA); - if(p == 0) { + if(!p) { kfree (usg); dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", usg->sg[i].count,i,usg->count)); @@ -637,7 +638,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) 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")); @@ -668,7 +669,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) void* p; /* 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; @@ -680,7 +681,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) 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; @@ -698,7 +699,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) dma_addr_t addr; void* p; 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; @@ -708,7 +709,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) 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")); @@ -734,19 +735,19 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) } 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 +757,7 @@ 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; } @@ -775,34 +776,34 @@ 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) return status; @@ -832,7 +833,7 @@ int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg) break; default: status = -ENOTTY; - break; + break; } return status; }