diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/aacraid/comminit.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/src.c | 46 |
2 files changed, 31 insertions, 19 deletions
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index a35f54ebdce0..8e4b525b1b79 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -132,8 +132,8 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co init->MaxFibSize = cpu_to_le32(dev->max_fib_size); init->MaxNumAif = cpu_to_le32(dev->max_num_aif); - init->HostRRQ_AddrHigh = (u32)((u64)dev->host_rrq_pa >> 32); - init->HostRRQ_AddrLow = (u32)(dev->host_rrq_pa & 0xffffffff); + init->HostRRQ_AddrHigh = cpu_to_le32((u32)((u64)dev->host_rrq_pa >> 32)); + init->HostRRQ_AddrLow = cpu_to_le32((u32)(dev->host_rrq_pa & 0xffffffff)); /* diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c index 27a3e77de17f..0fb1f5507cd8 100644 --- a/drivers/scsi/aacraid/src.c +++ b/drivers/scsi/aacraid/src.c @@ -74,7 +74,7 @@ static irqreturn_t aac_src_intr_message(int irq, void *dev_id) for (;;) { isFastResponse = 0; /* remove toggle bit (31) */ - handle = (dev->host_rrq[index] & 0x7fffffff); + handle = le32_to_cpu(dev->host_rrq[index]) & 0x7fffffff; /* check fast response bit (30) */ if (handle & 0x40000000) isFastResponse = 1; @@ -389,30 +389,42 @@ static int aac_src_deliver_message(struct fib *fib) struct aac_queue *q = &dev->queues->queue[AdapNormCmdQueue]; unsigned long qflags; u32 fibsize; - u64 address; + dma_addr_t address; struct aac_fib_xporthdr *pFibX; + u16 hdr_size = le16_to_cpu(fib->hw_fib_va->header.Size); spin_lock_irqsave(q->lock, qflags); q->numpending++; spin_unlock_irqrestore(q->lock, qflags); /* Calculate the amount to the fibsize bits */ - fibsize = (sizeof(struct aac_fib_xporthdr) + - fib->hw_fib_va->header.Size + 127) / 128 - 1; + fibsize = (sizeof(struct aac_fib_xporthdr) + hdr_size + 127) / 128 - 1; if (fibsize > (ALIGN32 - 1)) - fibsize = ALIGN32 - 1; - - /* Fill XPORT header */ - pFibX = (struct aac_fib_xporthdr *) - ((unsigned char *)fib->hw_fib_va - - sizeof(struct aac_fib_xporthdr)); - pFibX->Handle = fib->hw_fib_va->header.SenderData + 1; - pFibX->HostAddress = fib->hw_fib_pa; - pFibX->Size = fib->hw_fib_va->header.Size; - address = fib->hw_fib_pa - (u64)sizeof(struct aac_fib_xporthdr); - - src_writel(dev, MUnit.IQ_H, (u32)(address >> 32)); - src_writel(dev, MUnit.IQ_L, (u32)(address & 0xffffffff) + fibsize); + return -EMSGSIZE; + + /* Fill XPORT header */ + pFibX = (void *)fib->hw_fib_va - sizeof(struct aac_fib_xporthdr); + /* + * This was stored by aac_fib_send() and it is the index into + * dev->fibs. Not sure why we add 1 to it, but I suspect that it's + * because it can't be zero when we pass it to the hardware. Note that + * it was stored in native endian, hence the lack of swapping. -- BenC + */ + pFibX->Handle = cpu_to_le32(fib->hw_fib_va->header.SenderData + 1); + pFibX->HostAddress = cpu_to_le64(fib->hw_fib_pa); + pFibX->Size = cpu_to_le32(hdr_size); + + /* + * The xport header has been 32-byte aligned for us so that fibsize + * can be masked out of this address by hardware. -- BenC + */ + address = fib->hw_fib_pa - sizeof(struct aac_fib_xporthdr); + if (address & (ALIGN32 - 1)) + return -EINVAL; + address |= fibsize; + src_writel(dev, MUnit.IQ_H, (address >> 32) & 0xffffffff); + src_writel(dev, MUnit.IQ_L, address & 0xffffffff); + return 0; } |