*
****************************************************************************/
+static void dump_dte_entry(u16 devid)
+{
+ int i;
+
+ for (i = 0; i < 8; ++i)
+ pr_err("AMD-Vi: DTE[%d]: %08x\n", i,
+ amd_iommu_dev_table[devid].data[i]);
+}
+
+static void dump_command(unsigned long phys_addr)
+{
+ struct iommu_cmd *cmd = phys_to_virt(phys_addr);
+ int i;
+
+ for (i = 0; i < 4; ++i)
+ pr_err("AMD-Vi: CMD[%d]: %08x\n", i, cmd->data[i]);
+}
+
static void iommu_print_event(void *__evt)
{
u32 *event = __evt;
"address=0x%016llx flags=0x%04x]\n",
PCI_BUS(devid), PCI_SLOT(devid), PCI_FUNC(devid),
address, flags);
+ dump_dte_entry(devid);
break;
case EVENT_TYPE_IO_FAULT:
printk("IO_PAGE_FAULT device=%02x:%02x.%x "
break;
case EVENT_TYPE_ILL_CMD:
printk("ILLEGAL_COMMAND_ERROR address=0x%016llx]\n", address);
+ dump_command(address);
break;
case EVENT_TYPE_CMD_HARD_ERR:
printk("COMMAND_HARDWARE_ERROR address=0x%016llx "
return 0;
}
-struct notifier_block device_nb = {
+static struct notifier_block device_nb = {
.notifier_call = device_change_notifier,
};
flag |= __GFP_ZERO;
virt_addr = (void *)__get_free_pages(flag, get_order(size));
if (!virt_addr)
- return 0;
+ return NULL;
paddr = virt_to_phys(virt_addr);