rapidio/tsi721: add check for overlapped IB window mappings

[cascardo/linux.git] / drivers / rapidio / devices / tsi721.h

diff --git a/drivers/rapidio/devices/tsi721.h b/drivers/rapidio/devices/tsi721.h
index 9d25025..355f356 100644 (file)
--- a/drivers/rapidio/devices/tsi721.h
+++ b/drivers/rapidio/devices/tsi721.h
@@ -808,6 +808,13 @@ struct msix_irq {
 };
 #endif /* CONFIG_PCI_MSI */
 
+struct tsi721_ib_win {
+       u64             rstart;
+       u32             size;
+       dma_addr_t      lstart;
+       bool            active;
+};
+
 struct tsi721_device {
        struct pci_dev  *pdev;
        struct rio_mport *mport;
@@ -843,6 +850,10 @@ struct tsi721_device {
        /* Outbound Messaging */
        int             omsg_init[TSI721_OMSG_CHNUM];
        struct tsi721_omsg_ring omsg_ring[TSI721_OMSG_CHNUM];
+
+       /* Inbound Mapping Windows */
+       struct tsi721_ib_win ib_win[TSI721_IBWIN_NUM];
+       spinlock_t      win_lock;
 };
 
 #ifdef CONFIG_RAPIDIO_DMA_ENGINE