static irqreturn_t aac_rkt_intr(int irq, void *dev_id, struct pt_regs *regs)
{
struct aac_dev *dev = dev_id;
- unsigned long bellbits;
- u8 intstat, mask;
- intstat = rkt_readb(dev, MUnit.OISR);
- /*
- * Read mask and invert because drawbridge is reversed.
- * This allows us to only service interrupts that have
- * been enabled.
- */
- mask = ~(dev->OIMR);
- /* Check to see if this is our interrupt. If it isn't just return */
- if (intstat & mask)
- {
- bellbits = rkt_readl(dev, OutboundDoorbellReg);
- if (bellbits & DoorBellPrintfReady) {
- aac_printf(dev, le32_to_cpu(rkt_readl (dev, IndexRegs.Mailbox[5])));
- rkt_writel(dev, MUnit.ODR,DoorBellPrintfReady);
- rkt_writel(dev, InboundDoorbellReg,DoorBellPrintfDone);
- }
- else if (bellbits & DoorBellAdapterNormCmdReady) {
- rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady);
- aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
- }
- else if (bellbits & DoorBellAdapterNormRespReady) {
- aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
- rkt_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady);
- }
- else if (bellbits & DoorBellAdapterNormCmdNotFull) {
- rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
+
+ if (dev->new_comm_interface) {
+ u32 Index = rkt_readl(dev, MUnit.OutboundQueue);
+ if (Index == 0xFFFFFFFFL)
+ Index = rkt_readl(dev, MUnit.OutboundQueue);
+ if (Index != 0xFFFFFFFFL) {
+ do {
+ if (aac_intr_normal(dev, Index)) {
+ rkt_writel(dev, MUnit.OutboundQueue, Index);
+ rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormRespReady);
+ }
+ Index = rkt_readl(dev, MUnit.OutboundQueue);
+ } while (Index != 0xFFFFFFFFL);
+ return IRQ_HANDLED;
}
- else if (bellbits & DoorBellAdapterNormRespNotFull) {
- rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
- rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull);
+ } else {
+ unsigned long bellbits;
+ u8 intstat;
+ intstat = rkt_readb(dev, MUnit.OISR);
+ /*
+ * Read mask and invert because drawbridge is reversed.
+ * This allows us to only service interrupts that have
+ * been enabled.
+ * Check to see if this is our interrupt. If it isn't just return
+ */
+ if (intstat & ~(dev->OIMR))
+ {
+ bellbits = rkt_readl(dev, OutboundDoorbellReg);
+ if (bellbits & DoorBellPrintfReady) {
+ aac_printf(dev, rkt_readl (dev, IndexRegs.Mailbox[5]));
+ rkt_writel(dev, MUnit.ODR,DoorBellPrintfReady);
+ rkt_writel(dev, InboundDoorbellReg,DoorBellPrintfDone);
+ }
+ else if (bellbits & DoorBellAdapterNormCmdReady) {
+ rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady);
+ aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
+// rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady);
+ }
+ else if (bellbits & DoorBellAdapterNormRespReady) {
+ rkt_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady);
+ aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
+ }
+ else if (bellbits & DoorBellAdapterNormCmdNotFull) {
+ rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
+ }
+ else if (bellbits & DoorBellAdapterNormRespNotFull) {
+ rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
+ rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull);
+ }
+ return IRQ_HANDLED;
}
- return IRQ_HANDLED;
}
return IRQ_NONE;
}
/**
- * aac_rkt_enable_interrupt - Enable event reporting
+ * aac_rkt_disable_interrupt - Disable interrupts
* @dev: Adapter
- * @event: Event to enable
- *
- * Enable event reporting from the i960 for a given event.
*/
-
-static void aac_rkt_enable_interrupt(struct aac_dev * dev, u32 event)
-{
- switch (event) {
-
- case HostNormCmdQue:
- dev->irq_mask &= ~(OUTBOUNDDOORBELL_1);
- break;
- case HostNormRespQue:
- dev->irq_mask &= ~(OUTBOUNDDOORBELL_2);
- break;
-
- case AdapNormCmdNotFull:
- dev->irq_mask &= ~(OUTBOUNDDOORBELL_3);
- break;
-
- case AdapNormRespNotFull:
- dev->irq_mask &= ~(OUTBOUNDDOORBELL_4);
- break;
- }
-}
-
-/**
- * aac_rkt_disable_interrupt - Disable event reporting
- * @dev: Adapter
- * @event: Event to enable
- *
- * Disable event reporting from the i960 for a given event.
- */
-
-static void aac_rkt_disable_interrupt(struct aac_dev *dev, u32 event)
+static void aac_rkt_disable_interrupt(struct aac_dev *dev)
{
- switch (event) {
-
- case HostNormCmdQue:
- dev->irq_mask |= (OUTBOUNDDOORBELL_1);
- break;
-
- case HostNormRespQue:
- dev->irq_mask |= (OUTBOUNDDOORBELL_2);
- break;
-
- case AdapNormCmdNotFull:
- dev->irq_mask |= (OUTBOUNDDOORBELL_3);
- break;
-
- case AdapNormRespNotFull:
- dev->irq_mask |= (OUTBOUNDDOORBELL_4);
- break;
- }
+ rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
}
/**
* @p1: first parameter
* @ret: adapter status
*
- * This routine will send a synchronous comamnd to the adapter and wait
+ * This routine will send a synchronous command to the adapter and wait
* for its completion.
*/
-static int rkt_sync_cmd(struct aac_dev *dev, u32 command, u32 p1, u32 *status)
+static int rkt_sync_cmd(struct aac_dev *dev, u32 command,
+ u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6,
+ u32 *status, u32 *r1, u32 *r2, u32 *r3, u32 *r4)
{
unsigned long start;
int ok;
/*
* Write the command into Mailbox 0
*/
- rkt_writel(dev, InboundMailbox0, cpu_to_le32(command));
+ rkt_writel(dev, InboundMailbox0, command);
/*
- * Write the parameters into Mailboxes 1 - 4
+ * Write the parameters into Mailboxes 1 - 6
*/
- rkt_writel(dev, InboundMailbox1, cpu_to_le32(p1));
- rkt_writel(dev, InboundMailbox2, 0);
- rkt_writel(dev, InboundMailbox3, 0);
- rkt_writel(dev, InboundMailbox4, 0);
+ rkt_writel(dev, InboundMailbox1, p1);
+ rkt_writel(dev, InboundMailbox2, p2);
+ rkt_writel(dev, InboundMailbox3, p3);
+ rkt_writel(dev, InboundMailbox4, p4);
/*
* Clear the synch command doorbell to start on a clean slate.
*/
/*
* Disable doorbell interrupts
*/
- rkt_writeb(dev, MUnit.OIMR, dev->OIMR |= 0x04);
+ rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
/*
* Force the completion of the mask register write before issuing
* the interrupt.
/*
* Yield the processor in case we are slow
*/
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(1);
+ msleep(1);
}
if (ok != 1) {
/*
* Restore interrupt mask even though we timed out
*/
- rkt_writeb(dev, MUnit.OIMR, dev->OIMR &= 0xfb);
+ if (dev->new_comm_interface)
+ rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7);
+ else
+ rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb);
return -ETIMEDOUT;
}
/*
* Pull the synch status from Mailbox 0.
*/
- *status = le32_to_cpu(rkt_readl(dev, IndexRegs.Mailbox[0]));
+ if (status)
+ *status = rkt_readl(dev, IndexRegs.Mailbox[0]);
+ if (r1)
+ *r1 = rkt_readl(dev, IndexRegs.Mailbox[1]);
+ if (r2)
+ *r2 = rkt_readl(dev, IndexRegs.Mailbox[2]);
+ if (r3)
+ *r3 = rkt_readl(dev, IndexRegs.Mailbox[3]);
+ if (r4)
+ *r4 = rkt_readl(dev, IndexRegs.Mailbox[4]);
/*
* Clear the synch command doorbell.
*/
/*
* Restore interrupt mask
*/
- rkt_writeb(dev, MUnit.OIMR, dev->OIMR &= 0xfb);
+ if (dev->new_comm_interface)
+ rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7);
+ else
+ rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb);
return 0;
}
static void aac_rkt_interrupt_adapter(struct aac_dev *dev)
{
- u32 ret;
- rkt_sync_cmd(dev, BREAKPOINT_REQUEST, 0, &ret);
+ rkt_sync_cmd(dev, BREAKPOINT_REQUEST, 0, 0, 0, 0, 0, 0,
+ NULL, NULL, NULL, NULL, NULL);
}
/**
rkt_writel(dev, MUnit.IDR,INBOUNDDOORBELL_3);
break;
case HostShutdown:
-// rkt_sync_cmd(dev, HOST_CRASHING, 0, 0, 0, 0, &ret);
+// rkt_sync_cmd(dev, HOST_CRASHING, 0, 0, 0, 0, 0, 0,
+// NULL, NULL, NULL, NULL, NULL);
break;
case FastIo:
rkt_writel(dev, MUnit.IDR,INBOUNDDOORBELL_6);
static void aac_rkt_start_adapter(struct aac_dev *dev)
{
- u32 status;
struct aac_init *init;
init = dev->init;
init->HostElapsedSeconds = cpu_to_le32(get_seconds());
- /*
- * Tell the adapter we are back and up and running so it will scan
- * its command queues and enable our interrupts
- */
- dev->irq_mask = (DoorBellPrintfReady | OUTBOUNDDOORBELL_1 | OUTBOUNDDOORBELL_2 | OUTBOUNDDOORBELL_3 | OUTBOUNDDOORBELL_4);
- /*
- * First clear out all interrupts. Then enable the one's that we
- * can handle.
- */
- rkt_writeb(dev, MUnit.OIMR, 0xff);
- rkt_writel(dev, MUnit.ODR, 0xffffffff);
-// rkt_writeb(dev, MUnit.OIMR, ~(u8)OUTBOUND_DOORBELL_INTERRUPT_MASK);
- rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb);
-
// We can only use a 32 bit address here
- rkt_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa, &status);
+ rkt_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa,
+ 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL);
}
/**
*/
static int aac_rkt_check_health(struct aac_dev *dev)
{
- long status = rkt_readl(dev, IndexRegs.Mailbox[7]);
+ u32 status = rkt_readl(dev, MUnit.OMRx[0]);
/*
* Check to see if the board failed any self tests.
/*
* Check to see if the board panic'd.
*/
- if (status & KERNEL_PANIC)
- {
- char * buffer = kmalloc(512, GFP_KERNEL|__GFP_DMA);
+ if (status & KERNEL_PANIC) {
+ char * buffer;
struct POSTSTATUS {
- u32 Post_Command;
- u32 Post_Address;
- } * post = kmalloc(sizeof(struct POSTSTATUS), GFP_KERNEL);
- dma_addr_t paddr = pci_map_single(dev->pdev, post, sizeof(struct POSTSTATUS), 2);
- dma_addr_t baddr = pci_map_single(dev->pdev, buffer, 512, 1);
- u32 status = -1;
- int ret = -2;
-
- memset(buffer, 0, 512);
- post->Post_Command = cpu_to_le32(COMMAND_POST_RESULTS);
- post->Post_Address = cpu_to_le32(baddr);
- rkt_writel(dev, MUnit.IMRx[0], cpu_to_le32(paddr));
- rkt_sync_cmd(dev, COMMAND_POST_RESULTS, baddr, &status);
- pci_unmap_single(dev->pdev, paddr, sizeof(struct POSTSTATUS),2);
- kfree(post);
- if ((buffer[0] == '0') && (buffer[1] == 'x')) {
- ret = (buffer[2] <= '9') ? (buffer[2] - '0') : (buffer[2] - 'A' + 10);
- ret <<= 4;
- ret += (buffer[3] <= '9') ? (buffer[3] - '0') : (buffer[3] - 'A' + 10);
+ __le32 Post_Command;
+ __le32 Post_Address;
+ } * post;
+ dma_addr_t paddr, baddr;
+ int ret;
+
+ if ((status & 0xFF000000L) == 0xBC000000L)
+ return (status >> 16) & 0xFF;
+ buffer = pci_alloc_consistent(dev->pdev, 512, &baddr);
+ ret = -2;
+ if (buffer == NULL)
+ return ret;
+ post = pci_alloc_consistent(dev->pdev,
+ sizeof(struct POSTSTATUS), &paddr);
+ if (post == NULL) {
+ pci_free_consistent(dev->pdev, 512, buffer, baddr);
+ return ret;
}
- pci_unmap_single(dev->pdev, baddr, 512, 1);
- kfree(buffer);
- return ret;
- }
+ memset(buffer, 0, 512);
+ post->Post_Command = cpu_to_le32(COMMAND_POST_RESULTS);
+ post->Post_Address = cpu_to_le32(baddr);
+ rkt_writel(dev, MUnit.IMRx[0], paddr);
+ rkt_sync_cmd(dev, COMMAND_POST_RESULTS, baddr, 0, 0, 0, 0, 0,
+ NULL, NULL, NULL, NULL, NULL);
+ pci_free_consistent(dev->pdev, sizeof(struct POSTSTATUS),
+ post, paddr);
+ if ((buffer[0] == '0') && ((buffer[1] == 'x') || (buffer[1] == 'X'))) {
+ ret = (buffer[2] <= '9') ? (buffer[2] - '0') : (buffer[2] - 'A' + 10);
+ ret <<= 4;
+ ret += (buffer[3] <= '9') ? (buffer[3] - '0') : (buffer[3] - 'A' + 10);
+ }
+ pci_free_consistent(dev->pdev, 512, buffer, baddr);
+ return ret;
+ }
/*
* Wait for the adapter to be up and running.
*/
return 0;
}
+/**
+ * aac_rkt_send
+ * @fib: fib to issue
+ *
+ * Will send a fib, returning 0 if successful.
+ */
+static int aac_rkt_send(struct fib * fib)
+{
+ u64 addr = fib->hw_fib_pa;
+ struct aac_dev *dev = fib->dev;
+ volatile void __iomem *device = dev->regs.rkt;
+ u32 Index;
+
+ dprintk((KERN_DEBUG "%p->aac_rkt_send(%p->%llx)\n", dev, fib, addr));
+ Index = rkt_readl(dev, MUnit.InboundQueue);
+ if (Index == 0xFFFFFFFFL)
+ Index = rkt_readl(dev, MUnit.InboundQueue);
+ dprintk((KERN_DEBUG "Index = 0x%x\n", Index));
+ if (Index == 0xFFFFFFFFL)
+ return Index;
+ device += Index;
+ dprintk((KERN_DEBUG "entry = %x %x %u\n", (u32)(addr & 0xffffffff),
+ (u32)(addr >> 32), (u32)le16_to_cpu(fib->hw_fib->header.Size)));
+ writel((u32)(addr & 0xffffffff), device);
+ device += sizeof(u32);
+ writel((u32)(addr >> 32), device);
+ device += sizeof(u32);
+ writel(le16_to_cpu(fib->hw_fib->header.Size), device);
+ rkt_writel(dev, MUnit.InboundQueue, Index);
+ dprintk((KERN_DEBUG "aac_rkt_send - return 0\n"));
+ return 0;
+}
+
/**
* aac_rkt_init - initialize an i960 based AAC card
* @dev: device to configure
name = dev->name;
/*
- * Map in the registers from the adapter.
+ * Check to see if the board panic'd while booting.
*/
- if((dev->regs.rkt = (struct rkt_registers *)ioremap((unsigned long)dev->scsi_host_ptr->base, 8192))==NULL)
- {
- printk(KERN_WARNING "aacraid: unable to map i960.\n" );
- goto error_iounmap;
- }
/*
* Check to see if the board failed any self tests.
*/
{
if(time_after(jiffies, start+180*HZ))
{
- status = rkt_readl(dev, IndexRegs.Mailbox[7]) >> 16;
- printk(KERN_ERR "%s%d: adapter kernel failed to start, init status = %ld.\n", dev->name, instance, status);
+ status = rkt_readl(dev, MUnit.OMRx[0]);
+ printk(KERN_ERR "%s%d: adapter kernel failed to start, init status = %lx.\n",
+ dev->name, instance, status);
goto error_iounmap;
}
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(1);
+ schedule_timeout_uninterruptible(1);
}
if (request_irq(dev->scsi_host_ptr->irq, aac_rkt_intr, SA_SHIRQ|SA_INTERRUPT, "aacraid", (void *)dev)<0)
{
* Fill in the function dispatch table.
*/
dev->a_ops.adapter_interrupt = aac_rkt_interrupt_adapter;
- dev->a_ops.adapter_enable_int = aac_rkt_enable_interrupt;
dev->a_ops.adapter_disable_int = aac_rkt_disable_interrupt;
dev->a_ops.adapter_notify = aac_rkt_notify_adapter;
dev->a_ops.adapter_sync_cmd = rkt_sync_cmd;
dev->a_ops.adapter_check_health = aac_rkt_check_health;
+ dev->a_ops.adapter_send = aac_rkt_send;
- if (aac_init_adapter(dev) == NULL)
- goto error_irq;
/*
- * Start any kernel threads needed
+ * First clear out all interrupts. Then enable the one's that we
+ * can handle.
*/
- dev->thread_pid = kernel_thread((int (*)(void *))aac_command_thread, dev, 0);
- if(dev->thread_pid < 0)
- {
- printk(KERN_ERR "aacraid: Unable to create rkt thread.\n");
- goto error_kfree;
- }
+ rkt_writeb(dev, MUnit.OIMR, 0xff);
+ rkt_writel(dev, MUnit.ODR, 0xffffffff);
+ rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb);
+
+ if (aac_init_adapter(dev) == NULL)
+ goto error_irq;
+ if (dev->new_comm_interface) {
+ /*
+ * FIB Setup has already been done, but we can minimize the
+ * damage by at least ensuring the OS never issues more
+ * commands than we can handle. The Rocket adapters currently
+ * can only handle 246 commands and 8 AIFs at the same time,
+ * and in fact do notify us accordingly if we negotiate the
+ * FIB size. The problem that causes us to add this check is
+ * to ensure that we do not overdo it with the adapter when a
+ * hard coded FIB override is being utilized. This special
+ * case warrants this half baked, but convenient, check here.
+ */
+ if (dev->scsi_host_ptr->can_queue > (246 - AAC_NUM_MGT_FIB)) {
+ dev->init->MaxIoCommands = cpu_to_le32(246);
+ dev->scsi_host_ptr->can_queue = 246 - AAC_NUM_MGT_FIB;
+ }
+ rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7);
+ }
/*
* Tell the adapter that all is configured, and it can start
* accepting requests
aac_rkt_start_adapter(dev);
return 0;
-error_kfree:
- kfree(dev->queues);
-
error_irq:
+ rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
free_irq(dev->scsi_host_ptr->irq, (void *)dev);
error_iounmap:
- iounmap(dev->regs.rkt);
return -1;
}
git://git.onelab.eu / linux-2.6.git / blobdiff