[Qemu-devel] [PATCH 3/4] pci: add romfile property

[Gerd Hoffmann <kraxel@redhat.com>]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/cirrus_vga.c |    4 +++-
 hw/e1000.c      |    8 ++------
 hw/pci.c        |   19 ++++++++++++++++---
 hw/pci.h        |    3 +--
 hw/rtl8139.c    |    8 ++------
 hw/virtio-pci.c |    8 ++------
 6 files changed, 26 insertions(+), 24 deletions(-)

diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index b08d2ae..b2886c4 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -3211,7 +3211,9 @@ static int pci_cirrus_vga_initfn(PCIDevice *dev)
      }
 
      /* ROM BIOS */
-     pci_add_option_rom((PCIDevice *)d, VGABIOS_CIRRUS_FILENAME);
+     if (dev->rom_filename == NULL) {
+         dev->rom_filename = qemu_strdup(VGABIOS_CIRRUS_FILENAME);
+     }
      return 0;
 }
 
diff --git a/hw/e1000.c b/hw/e1000.c
index f795601..021f666 100644
--- a/hw/e1000.c
+++ b/hw/e1000.c
@@ -1122,12 +1122,8 @@ static int pci_e1000_init(PCIDevice *pci_dev)
 
     qemu_format_nic_info_str(&d->nic->nc, macaddr);
 
-    if (!pci_dev->qdev.hotplugged) {
-        static int loaded = 0;
-        if (!loaded) {
-            pci_add_option_rom(&d->dev, "pxe-e1000.bin");
-            loaded = 1;
-        }
+    if (pci_dev->rom_filename == NULL) {
+        pci_dev->rom_filename = qemu_strdup("pxe-e1000.bin");
     }
     return 0;
 }
diff --git a/hw/pci.c b/hw/pci.c
index dbdfdbf..3ff7d0c 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -63,12 +63,14 @@ static struct BusInfo pci_bus_info = {
     .print_dev  = pcibus_dev_print,
     .props      = (Property[]) {
         DEFINE_PROP_PCI_DEVFN("addr", PCIDevice, devfn, -1),
+        DEFINE_PROP_STRING("romfile", PCIDevice, rom_filename),
         DEFINE_PROP_END_OF_LIST()
     }
 };
 
 static void pci_update_mappings(PCIDevice *d);
 static void pci_set_irq(void *opaque, int irq_num, int level);
+static int pci_add_option_rom(PCIDevice *pdev);
 
 target_phys_addr_t pci_mem_base;
 static uint16_t pci_default_sub_vendor_id = PCI_SUBVENDOR_ID_REDHAT_QUMRANET;
@@ -1387,6 +1389,7 @@ static int pci_qdev_init(DeviceState *qdev, DeviceInfo *base)
     rc = info->init(pci_dev);
     if (rc != 0)
         return rc;
+    pci_add_option_rom(pci_dev);
     if (qdev->hotplugged)
         bus->hotplug(pci_dev, 1);
     return 0;
@@ -1470,18 +1473,28 @@ static void pci_map_option_rom(PCIDevice *pdev, int region_num, pcibus_t addr, p
 }
 
 /* Add an option rom for the device */
-int pci_add_option_rom(PCIDevice *pdev, const char *name)
+static int pci_add_option_rom(PCIDevice *pdev)
 {
     int size;
     char *path;
     void *ptr;
 
-    path = qemu_find_file(QEMU_FILE_TYPE_BIOS, name);
+    if (!pdev->rom_filename)
+        return 0;
+    if (strlen(pdev->rom_filename) == 0)
+        return 0;
+
+    path = qemu_find_file(QEMU_FILE_TYPE_BIOS, pdev->rom_filename);
     if (path == NULL) {
-        path = qemu_strdup(name);
+        path = qemu_strdup(pdev->rom_filename);
     }
 
     size = get_image_size(path);
+    if (size < 0) {
+        qemu_error("%s: failed to find romfile \"%s\"\n", __FUNCTION__,
+                   pdev->rom_filename);
+        return -1;
+    }
     if (size & (size - 1)) {
         size = 1 << qemu_fls(size);
     }
diff --git a/hw/pci.h b/hw/pci.h
index 89b3f55..c27e800 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -245,6 +245,7 @@ struct PCIDevice {
     int32_t version_id;
 
     /* Location of option rom */
+    char *rom_filename;
     ram_addr_t rom_offset;
 };
 
@@ -257,8 +258,6 @@ void pci_register_bar(PCIDevice *pci_dev, int region_num,
                             pcibus_t size, int type,
                             PCIMapIORegionFunc *map_func);
 
-int pci_add_option_rom(PCIDevice *pdev, const char *name);
-
 int pci_add_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
 
 void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
diff --git a/hw/rtl8139.c b/hw/rtl8139.c
index 2cee97b..d096711 100644
--- a/hw/rtl8139.c
+++ b/hw/rtl8139.c
@@ -3354,12 +3354,8 @@ static int pci_rtl8139_init(PCIDevice *dev)
         rtl8139_get_next_tctr_time(s,qemu_get_clock(vm_clock)));
 #endif /* RTL8139_ONBOARD_TIMER */
 
-    if (!dev->qdev.hotplugged) {
-        static int loaded = 0;
-        if (!loaded) {
-            pci_add_option_rom(&s->dev, "pxe-rtl8139.bin");
-            loaded = 1;
-        }
+    if (dev->rom_filename == NULL) {
+        dev->rom_filename = qemu_strdup("pxe-rtl8139.bin");
     }
     return 0;
 }
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index 85f14a2..e38fe70 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -519,12 +519,8 @@ static int virtio_net_init_pci(PCIDevice *pci_dev)
     /* make the actual value visible */
     proxy->nvectors = vdev->nvectors;
 
-    if (!pci_dev->qdev.hotplugged) {
-        static int loaded = 0;
-        if (!loaded) {
-            pci_add_option_rom(pci_dev, "pxe-virtio.bin");
-            loaded = 1;
-        }
+    if (pci_dev->rom_filename == NULL) {
+        pci_dev->rom_filename = qemu_strdup("pxe-virtio.bin");
     }
     return 0;
 }
-- 
1.6.5.2