[Qemu-devel] [PATCH] lsi: Properly initialize controller state on reset

[Jan Kiszka <jan.kiszka@siemens.com>]

The LSI controller was lacking any system reset handler. This is an
attempt to fix it.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 hw/lsi53c895a.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
index 98b7f54..f328057 100644
--- a/hw/lsi53c895a.c
+++ b/hw/lsi53c895a.c
@@ -1996,6 +1996,16 @@ static void lsi_mmio_mapfunc(PCIDevice *pci_dev, int region_num,
     cpu_register_physical_memory(addr + 0, 0x400, s->mmio_io_addr);
 }
 
+static void lsi_scsi_reset(DeviceState *dev)
+{
+    LSIState *s = DO_UPCAST(LSIState, dev.qdev, dev);
+
+    s->dma_buf = NULL;
+    s->current_dma_len = 0;
+    s->active_commands = 0;
+    lsi_soft_reset(s);
+}
+
 static void lsi_pre_save(void *opaque)
 {
     LSIState *s = opaque;
@@ -2149,6 +2159,7 @@ static PCIDeviceInfo lsi_info = {
     .qdev.name  = "lsi53c895a",
     .qdev.alias = "lsi",
     .qdev.size  = sizeof(LSIState),
+    .qdev.reset = lsi_scsi_reset,
     .qdev.vmsd  = &vmstate_lsi_scsi,
     .init       = lsi_scsi_init,
     .exit       = lsi_scsi_uninit,