- struct msi_desc *entry;
- u32 address_hi, address_lo;
- unsigned int irq = vector;
- unsigned int dest_cpu = first_cpu(cpu_mask);
-
- entry = (struct msi_desc *)msi_desc[vector];
- if (!entry || !entry->dev)
- return;
+ switch(entry->msi_attrib.type) {
+ case PCI_CAP_ID_MSI:
+ {
+ struct pci_dev *dev = entry->dev;
+ int pos = entry->msi_attrib.pos;
+ u16 data;
+
+ pci_read_config_dword(dev, msi_lower_address_reg(pos),
+ &msg->address_lo);
+ if (entry->msi_attrib.is_64) {
+ pci_read_config_dword(dev, msi_upper_address_reg(pos),
+ &msg->address_hi);
+ pci_read_config_word(dev, msi_data_reg(pos, 1), &data);
+ } else {
+ msg->address_hi = 0;
+ pci_read_config_word(dev, msi_data_reg(pos, 1), &data);
+ }
+ msg->data = data;
+ break;
+ }
+ case PCI_CAP_ID_MSIX:
+ {
+ void __iomem *base;
+ base = entry->mask_base +
+ entry->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE;
+
+ msg->address_lo = readl(base + PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET);
+ msg->address_hi = readl(base + PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET);
+ msg->data = readl(base + PCI_MSIX_ENTRY_DATA_OFFSET);
+ break;
+ }
+ default:
+ BUG();
+ }
+}