Add bootindex parameter to net/block/fd device

If bootindex is specified on command line a string that describes device
in firmware readable way is added into sorted list. Later this list will
be passed into firmware to control boot order.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

13 files changed, 71 insertions, 0 deletions

diff --git a/hw/e1000.c b/hw/e1000.c
index a697abd754..af101bd7b7 100644
--- a/hw/e1000.c
+++ b/hw/e1000.c
@@ -30,6 +30,7 @@
 #include "net.h"
 #include "net/checksum.h"
 #include "loader.h"
+#include "sysemu.h"
 
 #include "e1000_hw.h"
 
@@ -1147,6 +1148,9 @@ static int pci_e1000_init(PCIDevice *pci_dev)
                           d->dev.qdev.info->name, d->dev.qdev.id, d);
 
     qemu_format_nic_info_str(&d->nic->nc, macaddr);
+
+    add_boot_device_path(d->conf.bootindex, &pci_dev->qdev, "/ethernet-phy@0");
+
     return 0;
 }
 
diff --git a/hw/eepro100.c b/hw/eepro100.c
index b31ad3e70c..edf48f61d1 100644
--- a/hw/eepro100.c
+++ b/hw/eepro100.c
@@ -46,6 +46,7 @@
 #include "pci.h"
 #include "net.h"
 #include "eeprom93xx.h"
+#include "sysemu.h"
 
 #define KiB 1024
 
@@ -1908,6 +1909,8 @@ static int e100_nic_init(PCIDevice *pci_dev)
     s->vmstate->name = s->nic->nc.model;
     vmstate_register(&pci_dev->qdev, -1, s->vmstate, s);
 
+    add_boot_device_path(s->conf.bootindex, &pci_dev->qdev, "/ethernet-phy@0");
+
     return 0;
 }
 
diff --git a/hw/fdc.c b/hw/fdc.c
index 9d92e93c37..4bbcc4715f 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -35,6 +35,7 @@
 #include "sysbus.h"
 #include "qdev-addr.h"
 #include "blockdev.h"
+#include "sysemu.h"
 
 /********************************************************/
 /* debug Floppy devices */
@@ -523,6 +524,8 @@ typedef struct FDCtrlSysBus {
 typedef struct FDCtrlISABus {
     ISADevice busdev;
     struct FDCtrl state;
+    int32_t bootindexA;
+    int32_t bootindexB;
 } FDCtrlISABus;
 
 static uint32_t fdctrl_read (void *opaque, uint32_t reg)
@@ -1992,6 +1995,9 @@ static int isabus_fdc_init1(ISADevice *dev)
     qdev_set_legacy_instance_id(&dev->qdev, iobase, 2);
     ret = fdctrl_init_common(fdctrl);
 
+    add_boot_device_path(isa->bootindexA, &dev->qdev, "/floppy@0");
+    add_boot_device_path(isa->bootindexB, &dev->qdev, "/floppy@1");
+
     return ret;
 }
 
@@ -2053,6 +2059,8 @@ static ISADeviceInfo isa_fdc_info = {
     .qdev.props = (Property[]) {
         DEFINE_PROP_DRIVE("driveA", FDCtrlISABus, state.drives[0].bs),
         DEFINE_PROP_DRIVE("driveB", FDCtrlISABus, state.drives[1].bs),
+        DEFINE_PROP_INT32("bootindexA", FDCtrlISABus, bootindexA, -1),
+        DEFINE_PROP_INT32("bootindexB", FDCtrlISABus, bootindexB, -1),
         DEFINE_PROP_END_OF_LIST(),
     },
 };
diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c
index 01a181bb45..2bb5c27341 100644
--- a/hw/ide/qdev.c
+++ b/hw/ide/qdev.c
@@ -21,6 +21,7 @@
 #include "qemu-error.h"
 #include <hw/ide/internal.h>
 #include "blockdev.h"
+#include "sysemu.h"
 
 /* --------------------------------- */
 
@@ -143,6 +144,10 @@ static int ide_drive_initfn(IDEDevice *dev)
     if (!dev->serial) {
         dev->serial = qemu_strdup(s->drive_serial_str);
     }
+
+    add_boot_device_path(dev->conf.bootindex, &dev->qdev,
+                         dev->unit ? "/disk@1" : "/disk@0");
+
     return 0;
 }
 
diff --git a/hw/ne2000.c b/hw/ne2000.c
index 126e7cfeaf..a030106fa5 100644
--- a/hw/ne2000.c
+++ b/hw/ne2000.c
@@ -26,6 +26,7 @@
 #include "net.h"
 #include "ne2000.h"
 #include "loader.h"
+#include "sysemu.h"
 
 /* debug NE2000 card */
 //#define DEBUG_NE2000
@@ -746,6 +747,8 @@ static int pci_ne2000_init(PCIDevice *pci_dev)
         }
     }
 
+    add_boot_device_path(s->c.bootindex, &pci_dev->qdev, "/ethernet-phy@0");
+
     return 0;
 }
 
diff --git a/hw/pcnet.c b/hw/pcnet.c
index 37010b8fcf..db52dc59e1 100644
--- a/hw/pcnet.c
+++ b/hw/pcnet.c
@@ -39,6 +39,7 @@
 #include "net.h"
 #include "qemu-timer.h"
 #include "qemu_socket.h"
+#include "sysemu.h"
 
 #include "pcnet.h"
 
@@ -1740,5 +1741,8 @@ int pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info)
     qemu_macaddr_default_if_unset(&s->conf.macaddr);
     s->nic = qemu_new_nic(info, &s->conf, dev->info->name, dev->id, s);
     qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
+
+    add_boot_device_path(s->conf.bootindex, dev, "/ethernet-phy@0");
+
     return 0;
 }
diff --git a/hw/qdev.c b/hw/qdev.c
index b65b63e10e..10e28df7a1 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -889,3 +889,35 @@ int do_device_del(Monitor *mon, const QDict *qdict, QObject **ret_data)
     }
     return qdev_unplug(dev);
 }
+
+static int qdev_get_fw_dev_path_helper(DeviceState *dev, char *p, int size)
+{
+    int l = 0;
+
+    if (dev && dev->parent_bus) {
+        char *d;
+        l = qdev_get_fw_dev_path_helper(dev->parent_bus->parent, p, size);
+        if (dev->parent_bus->info->get_fw_dev_path) {
+            d = dev->parent_bus->info->get_fw_dev_path(dev);
+            l += snprintf(p + l, size - l, "%s", d);
+            qemu_free(d);
+        } else {
+            l += snprintf(p + l, size - l, "%s", dev->info->name);
+        }
+    }
+    l += snprintf(p + l , size - l, "/");
+
+    return l;
+}
+
+char* qdev_get_fw_dev_path(DeviceState *dev)
+{
+    char path[128];
+    int l;
+
+    l = qdev_get_fw_dev_path_helper(dev, path, 128);
+
+    path[l-1] = '\0';
+
+    return strdup(path);
+}
diff --git a/hw/qdev.h b/hw/qdev.h
index f72fbdeecb..aaaf55ab26 100644
--- a/hw/qdev.h
+++ b/hw/qdev.h
@@ -319,6 +319,7 @@ static inline const char *qdev_fw_name(DeviceState *dev)
     return dev->info->fw_name ? : dev->info->alias ? : dev->info->name;
 }
 
+char *qdev_get_fw_dev_path(DeviceState *dev);
 /* This is a nasty hack to allow passing a NULL bus to qdev_create.  */
 extern struct BusInfo system_bus_info;
 
diff --git a/hw/rtl8139.c b/hw/rtl8139.c
index 4a73f6f491..a8aed89074 100644
--- a/hw/rtl8139.c
+++ b/hw/rtl8139.c
@@ -52,6 +52,7 @@
 #include "qemu-timer.h"
 #include "net.h"
 #include "loader.h"
+#include "sysemu.h"
 
 /* debug RTL8139 card */
 //#define DEBUG_RTL8139 1
@@ -3376,6 +3377,9 @@ static int pci_rtl8139_init(PCIDevice *dev)
     s->TimerExpire = 0;
     s->timer = qemu_new_timer(vm_clock, rtl8139_timer, s);
     rtl8139_set_next_tctr_time(s, qemu_get_clock(vm_clock));
+
+    add_boot_device_path(s->conf.bootindex, &dev->qdev, "/ethernet-phy@0");
+
     return 0;
 }
 
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index 851046fd55..87f9e8677e 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -1225,6 +1225,7 @@ static int scsi_disk_initfn(SCSIDevice *dev)
     s->qdev.type = TYPE_DISK;
     qemu_add_vm_change_state_handler(scsi_dma_restart_cb, s);
     bdrv_set_removable(s->bs, is_cd);
+    add_boot_device_path(s->qdev.conf.bootindex, &dev->qdev, ",0");
     return 0;
 }
 
diff --git a/hw/usb-net.c b/hw/usb-net.c
index f6bed2184e..84924550fd 100644
--- a/hw/usb-net.c
+++ b/hw/usb-net.c
@@ -27,6 +27,7 @@
 #include "usb.h"
 #include "net.h"
 #include "qemu-queue.h"
+#include "sysemu.h"
 
 /*#define TRAFFIC_DEBUG*/
 /* Thanks to NetChip Technologies for donating this product ID.
@@ -1463,6 +1464,7 @@ static int usb_net_initfn(USBDevice *dev)
              s->conf.macaddr.a[4],
              s->conf.macaddr.a[5]);
 
+    add_boot_device_path(s->conf.bootindex, &dev->qdev, "/ethernet@0");
     return 0;
 }
 
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index e5f9b2795a..f62ccd1fe8 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -548,6 +548,8 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf)
     bdrv_set_removable(s->bs, 0);
     s->bs->buffer_alignment = conf->logical_block_size;
 
+    add_boot_device_path(conf->bootindex, dev, "/disk@0,0");
+
     return &s->vdev;
 }
 
diff --git a/hw/virtio-net.c b/hw/virtio-net.c
index 1d61f191b6..3472f6b28d 100644
--- a/hw/virtio-net.c
+++ b/hw/virtio-net.c
@@ -1017,6 +1017,8 @@ VirtIODevice *virtio_net_init(DeviceState *dev, NICConf *conf,
                     virtio_net_save, virtio_net_load, n);
     n->vmstate = qemu_add_vm_change_state_handler(virtio_net_vmstate_change, n);
 
+    add_boot_device_path(conf->bootindex, dev, "/ethernet-phy@0");
+
     return &n->vdev;
 }