1 files changed, 30 insertions, 0 deletions
diff --git a/hw/ide/pci.h b/hw/ide/pci.h
index b81b26c532..cd72cbaeb9 100644
--- a/hw/ide/pci.h
+++ b/hw/ide/pci.h
@@ -3,6 +3,27 @@
 
 #include <hw/ide/internal.h>
 
+typedef struct BMDMAState {
+    IDEDMA dma;
+    uint8_t cmd;
+    uint8_t status;
+    uint32_t addr;
+
+    IDEBus *bus;
+    /* current transfer state */
+    uint32_t cur_addr;
+    uint32_t cur_prd_last;
+    uint32_t cur_prd_addr;
+    uint32_t cur_prd_len;
+    uint8_t unit;
+    BlockDriverCompletionFunc *dma_cb;
+    int64_t sector_num;
+    uint32_t nsector;
+    IORange addr_ioport;
+    QEMUBH *bh;
+    qemu_irq irq;
+} BMDMAState;
+
 typedef struct PCIIDEState {
     PCIDevice dev;
     IDEBus bus[2];
@@ -10,6 +31,15 @@ typedef struct PCIIDEState {
     uint32_t secondary; /* used only for cmd646 */
 } PCIIDEState;
 
+
+static inline IDEState *bmdma_active_if(BMDMAState *bmdma)
+{
+    assert(bmdma->unit != (uint8_t)-1);
+    return bmdma->bus->ifs + bmdma->unit;
+}
+
+
+void bmdma_init(IDEBus *bus, BMDMAState *bm);
 void bmdma_cmd_writeb(void *opaque, uint32_t addr, uint32_t val);
 extern const IORangeOps bmdma_addr_ioport_ops;
 void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table);