From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=43241 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PNegJ-0006RX-Jn for qemu-devel@nongnu.org; Tue, 30 Nov 2010 23:53:02 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PNQDi-0006lR-CK for qemu-devel@nongnu.org; Tue, 30 Nov 2010 08:26:11 -0500 Received: from mx1.redhat.com ([209.132.183.28]:6104) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PNQDi-0006kE-5I for qemu-devel@nongnu.org; Tue, 30 Nov 2010 08:26:10 -0500 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id oAUDQ6XD028373 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 30 Nov 2010 08:26:06 -0500 From: Gerd Hoffmann Date: Tue, 30 Nov 2010 14:26:02 +0100 Message-Id: <1291123564-3249-2-git-send-email-kraxel@redhat.com> In-Reply-To: <1291123564-3249-1-git-send-email-kraxel@redhat.com> References: <1291123564-3249-1-git-send-email-kraxel@redhat.com> Subject: [Qemu-devel] [PATCH 1/3] pci: allow devices being tagged as not hotpluggable. List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Gerd Hoffmann This patch adds a field to PCIDeviceInfo to tag devices as being not hotpluggable. Any attempt to plug-in or -out such a device will throw an error. Signed-off-by: Gerd Hoffmann --- hw/pci.c | 10 ++++++++++ hw/pci.h | 3 +++ qerror.c | 4 ++++ qerror.h | 3 +++ 4 files changed, 20 insertions(+), 0 deletions(-) diff --git a/hw/pci.c b/hw/pci.c index 438c0d1..aee8d63 100644 --- a/hw/pci.c +++ b/hw/pci.c @@ -1546,6 +1546,11 @@ static int pci_qdev_init(DeviceState *qdev, DeviceInfo *base) info->is_bridge); if (pci_dev == NULL) return -1; + if (qdev->hotplugged && info->no_hotplug) { + qerror_report(QERR_DEVICE_NO_HOTPLUG, info->qdev.name); + do_pci_unregister_device(pci_dev); + return -1; + } rc = info->init(pci_dev); if (rc != 0) { do_pci_unregister_device(pci_dev); @@ -1575,7 +1580,12 @@ static int pci_qdev_init(DeviceState *qdev, DeviceInfo *base) static int pci_unplug_device(DeviceState *qdev) { PCIDevice *dev = DO_UPCAST(PCIDevice, qdev, qdev); + PCIDeviceInfo *info = container_of(qdev->info, PCIDeviceInfo, qdev); + if (info->no_hotplug) { + qerror_report(QERR_DEVICE_NO_HOTPLUG, info->qdev.name); + return -1; + } return dev->bus->hotplug(dev->bus->hotplug_qdev, dev, PCI_HOTPLUG_DISABLED); } diff --git a/hw/pci.h b/hw/pci.h index 09b3e4c..1d1c515 100644 --- a/hw/pci.h +++ b/hw/pci.h @@ -431,6 +431,9 @@ typedef struct { /* pcie stuff */ int is_express; /* is this device pci express? */ + /* device isn't hot-pluggable */ + int no_hotplug; + /* rom bar */ const char *romfile; } PCIDeviceInfo; diff --git a/qerror.c b/qerror.c index ac2cdaf..9d0cdeb 100644 --- a/qerror.c +++ b/qerror.c @@ -101,6 +101,10 @@ static const QErrorStringTable qerror_table[] = { .desc = "Device '%(device)' has no child bus", }, { + .error_fmt = QERR_DEVICE_NO_HOTPLUG, + .desc = "Device '%(device)' does not support hotplugging", + }, + { .error_fmt = QERR_DUPLICATE_ID, .desc = "Duplicate ID '%(id)' for %(object)", }, diff --git a/qerror.h b/qerror.h index 943a24b..b0f69da 100644 --- a/qerror.h +++ b/qerror.h @@ -90,6 +90,9 @@ QError *qobject_to_qerror(const QObject *obj); #define QERR_DEVICE_NO_BUS \ "{ 'class': 'DeviceNoBus', 'data': { 'device': %s } }" +#define QERR_DEVICE_NO_HOTPLUG \ + "{ 'class': 'DeviceNoHotplug', 'data': { 'device': %s } }" + #define QERR_DUPLICATE_ID \ "{ 'class': 'DuplicateId', 'data': { 'id': %s, 'object': %s } }" -- 1.7.1