Implement PAPR virtual SCSI interface (ibmvscsi)

This patch implements the infrastructure and hypercalls necessary for
the PAPR specified Virtual SCSI interface.  This is the normal method
for providing (virtual) disks to PAPR partitions.

Signed-off-by: Ben Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>

1 files changed, 8 insertions, 0 deletions

diff --git a/hw/spapr.c b/hw/spapr.c
index b432a9d..3bffaab 100644
--- a/hw/spapr.c
+++ b/hw/spapr.c
@@ -28,6 +28,7 @@
 #include "hw.h"
 #include "elf.h"
 #include "net.h"
+#include "blockdev.h"
 
 #include "hw/boards.h"
 #include "hw/ppc.h"
@@ -353,6 +354,12 @@ static void ppc_spapr_init(ram_addr_t ram_size,
         }
     }
 
+    for (i = 0; i <= drive_get_max_bus(IF_SCSI); i++) {
+        spapr_vscsi_create(spapr->vio_bus, 0x2000 + i,
+                           xics_find_qirq(spapr->icp, irq), irq);
+        irq++;
+    }
+
     if (kernel_filename) {
         uint64_t lowaddr = 0;
 
@@ -411,6 +418,7 @@ static QEMUMachine spapr_machine = {
     .max_cpus = MAX_CPUS,
     .no_vga = 1,
     .no_parallel = 1,
+    .use_scsi = 1,
 };
 
 static void spapr_machine_init(void)