From: Elena Ufimtseva <elena.ufimtseva@oracle.com>
To: qemu-devel@nongnu.org
Cc: elena.ufimtseva@oracle.com, john.g.johnson@oracle.com,
jag.raman@oracle.com, swapnil.ingle@nutanix.com,
john.levon@nutanix.com, alex.williamson@redhat.com,
stefanha@redhat.com, thanos.makatos@nutanix.com
Subject: [PATCH RFC v2 03/16] vfio-user: Define type vfio_user_pci_dev_info
Date: Mon, 16 Aug 2021 09:42:36 -0700 [thread overview]
Message-ID: <4153fb93ac5c353911a1321efc0a02f9f402acd5.1629131628.git.elena.ufimtseva@oracle.com> (raw)
In-Reply-To: <cover.1629131628.git.elena.ufimtseva@oracle.com>
From: John Johnson <john.g.johnson@oracle.com>
New class for vfio-user with its class and instance
constructors and destructors, and its pci ops.
Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
---
hw/vfio/pci.h | 9 ++++++
hw/vfio/pci.c | 86 +++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 95 insertions(+)
diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h
index bbc78aaeb3..08ac6475a4 100644
--- a/hw/vfio/pci.h
+++ b/hw/vfio/pci.h
@@ -187,6 +187,15 @@ struct VFIOKernPCIDevice {
VFIOPCIDevice device;
};
+#define TYPE_VFIO_USER_PCI "vfio-user-pci"
+OBJECT_DECLARE_SIMPLE_TYPE(VFIOUserPCIDevice, VFIO_USER_PCI)
+
+struct VFIOUserPCIDevice {
+ VFIOPCIDevice device;
+ char *sock_name;
+ bool secure_dma; /* disable shared mem for DMA */
+};
+
/* Use uin32_t for vendor & device so PCI_ANY_ID expands and cannot match hw */
static inline bool vfio_pci_is(VFIOPCIDevice *vdev, uint32_t vendor, uint32_t device)
{
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index bea95efc33..d642aafb7f 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -3326,3 +3326,89 @@ static void register_vfio_pci_dev_type(void)
}
type_init(register_vfio_pci_dev_type)
+
+
+/*
+ * vfio-user routines.
+ */
+
+/*
+ * Emulated devices don't use host hot reset
+ */
+static int vfio_user_pci_no_reset(VFIODevice *vbasedev)
+{
+ error_printf("vfio-user - no hot reset\n");
+ return 0;
+}
+
+static void vfio_user_pci_not_needed(VFIODevice *vbasedev)
+{
+ vbasedev->needs_reset = false;
+}
+
+static VFIODeviceOps vfio_user_pci_ops = {
+ .vfio_compute_needs_reset = vfio_user_pci_not_needed,
+ .vfio_hot_reset_multi = vfio_user_pci_no_reset,
+ .vfio_eoi = vfio_intx_eoi,
+ .vfio_get_object = vfio_pci_get_object,
+ .vfio_save_config = vfio_pci_save_config,
+ .vfio_load_config = vfio_pci_load_config,
+};
+
+static void vfio_user_pci_realize(PCIDevice *pdev, Error **errp)
+{
+ ERRP_GUARD();
+ VFIOUserPCIDevice *udev = VFIO_USER_PCI(pdev);
+ VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev);
+ VFIODevice *vbasedev = &vdev->vbasedev;
+
+ if (!udev->sock_name) {
+ error_setg(errp, "No socket specified");
+ error_append_hint(errp, "Use -device vfio-user-pci,socket=<name>\n");
+ return;
+ }
+
+ vbasedev->name = g_strdup_printf("VFIO user <%s>", udev->sock_name);
+ vbasedev->dev = DEVICE(vdev);
+ vbasedev->fd = -1;
+ vbasedev->type = VFIO_DEVICE_TYPE_PCI;
+ vbasedev->no_mmap = false;
+ vbasedev->ops = &vfio_user_pci_ops;
+
+}
+
+static void vfio_user_instance_finalize(Object *obj)
+{
+}
+
+static Property vfio_user_pci_dev_properties[] = {
+ DEFINE_PROP_STRING("socket", VFIOUserPCIDevice, sock_name),
+ DEFINE_PROP_BOOL("secure-dma", VFIOUserPCIDevice, secure_dma, false),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void vfio_user_pci_dev_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *pdc = PCI_DEVICE_CLASS(klass);
+
+ device_class_set_props(dc, vfio_user_pci_dev_properties);
+ dc->desc = "VFIO over socket PCI device assignment";
+ pdc->realize = vfio_user_pci_realize;
+}
+
+static const TypeInfo vfio_user_pci_dev_info = {
+ .name = TYPE_VFIO_USER_PCI,
+ .parent = TYPE_VFIO_PCI_BASE,
+ .instance_size = sizeof(VFIOUserPCIDevice),
+ .class_init = vfio_user_pci_dev_class_init,
+ .instance_init = vfio_instance_init,
+ .instance_finalize = vfio_user_instance_finalize,
+};
+
+static void register_vfio_user_dev_type(void)
+{
+ type_register_static(&vfio_user_pci_dev_info);
+}
+
+type_init(register_vfio_user_dev_type)
--
2.25.1
next prev parent reply other threads:[~2021-08-16 16:44 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-16 16:42 [PATCH RFC v2 00/16] vfio-user implementation Elena Ufimtseva
2021-08-16 16:42 ` [PATCH RFC v2 01/16] vfio-user: introduce vfio-user protocol specification Elena Ufimtseva
2021-08-17 23:04 ` Alex Williamson
2021-08-19 9:28 ` Swapnil Ingle
2021-08-19 15:32 ` John Johnson
2021-08-19 16:26 ` Alex Williamson
2021-08-16 16:42 ` [PATCH RFC v2 02/16] vfio-user: add VFIO base abstract class Elena Ufimtseva
2021-08-16 16:42 ` Elena Ufimtseva [this message]
2021-08-24 13:52 ` [PATCH RFC v2 03/16] vfio-user: Define type vfio_user_pci_dev_info Stefan Hajnoczi
2021-08-16 16:42 ` [PATCH RFC v2 04/16] vfio-user: connect vfio proxy to remote server Elena Ufimtseva
2021-08-18 18:47 ` Alex Williamson
2021-08-19 14:10 ` John Johnson
2021-08-24 14:15 ` Stefan Hajnoczi
2021-08-30 3:00 ` John Johnson
2021-09-07 13:21 ` Stefan Hajnoczi
2021-09-09 5:11 ` John Johnson
2021-09-09 6:29 ` Stefan Hajnoczi
2021-09-10 5:25 ` John Johnson
2021-09-13 12:35 ` Stefan Hajnoczi
2021-09-13 17:23 ` John Johnson
2021-09-14 13:06 ` Stefan Hajnoczi
2021-09-15 0:21 ` John Johnson
2021-09-15 13:04 ` Stefan Hajnoczi
2021-09-15 19:14 ` John Johnson
2021-09-16 11:49 ` Stefan Hajnoczi
2021-08-16 16:42 ` [PATCH RFC v2 05/16] vfio-user: define VFIO Proxy and communication functions Elena Ufimtseva
2021-08-24 15:14 ` Stefan Hajnoczi
2021-08-30 3:04 ` John Johnson
2021-09-07 13:35 ` Stefan Hajnoczi
2021-08-16 16:42 ` [PATCH RFC v2 06/16] vfio-user: negotiate version with remote server Elena Ufimtseva
2021-08-24 15:59 ` Stefan Hajnoczi
2021-08-30 3:08 ` John Johnson
2021-09-07 13:52 ` Stefan Hajnoczi
2021-08-16 16:42 ` [PATCH RFC v2 07/16] vfio-user: get device info Elena Ufimtseva
2021-08-24 16:04 ` Stefan Hajnoczi
2021-08-30 3:11 ` John Johnson
2021-09-07 13:54 ` Stefan Hajnoczi
2021-08-16 16:42 ` [PATCH RFC v2 08/16] vfio-user: get region info Elena Ufimtseva
2021-09-07 14:31 ` Stefan Hajnoczi
2021-09-09 5:35 ` John Johnson
2021-09-09 5:59 ` Stefan Hajnoczi
2021-08-16 16:42 ` [PATCH RFC v2 09/16] vfio-user: region read/write Elena Ufimtseva
2021-09-07 14:41 ` Stefan Hajnoczi
2021-09-07 17:24 ` John Levon
2021-09-09 6:00 ` John Johnson
2021-09-09 12:05 ` John Levon
2021-09-10 6:07 ` John Johnson
2021-09-10 12:16 ` John Levon
2021-08-16 16:42 ` [PATCH RFC v2 10/16] vfio-user: pci_user_realize PCI setup Elena Ufimtseva
2021-09-07 15:00 ` Stefan Hajnoczi
2021-08-16 16:42 ` [PATCH RFC v2 11/16] vfio-user: get and set IRQs Elena Ufimtseva
2021-09-07 15:14 ` Stefan Hajnoczi
2021-09-09 5:50 ` John Johnson
2021-09-09 13:50 ` Stefan Hajnoczi
2021-08-16 16:42 ` [PATCH RFC v2 12/16] vfio-user: proxy container connect/disconnect Elena Ufimtseva
2021-09-08 8:30 ` Stefan Hajnoczi
2021-08-16 16:42 ` [PATCH RFC v2 13/16] vfio-user: dma map/unmap operations Elena Ufimtseva
2021-09-08 9:16 ` Stefan Hajnoczi
2021-08-16 16:42 ` [PATCH RFC v2 14/16] vfio-user: dma read/write operations Elena Ufimtseva
2021-09-08 9:51 ` Stefan Hajnoczi
2021-09-08 11:03 ` John Levon
2021-08-16 16:42 ` [PATCH RFC v2 15/16] vfio-user: pci reset Elena Ufimtseva
2021-09-08 9:56 ` Stefan Hajnoczi
2021-08-16 16:42 ` [PATCH RFC v2 16/16] vfio-user: migration support Elena Ufimtseva
2021-09-08 10:04 ` Stefan Hajnoczi
2021-08-27 17:53 ` [PATCH RFC server v2 00/11] vfio-user server in QEMU Jagannathan Raman
2021-08-27 17:53 ` [PATCH RFC server v2 01/11] vfio-user: build library Jagannathan Raman
2021-08-27 18:05 ` Jag Raman
2021-09-08 12:25 ` Stefan Hajnoczi
2021-09-10 15:21 ` Philippe Mathieu-Daudé
2021-09-13 12:15 ` Stefan Hajnoczi
2021-09-10 15:20 ` Philippe Mathieu-Daudé
2021-09-10 17:08 ` Jag Raman
2021-09-11 22:29 ` John Levon
2021-09-13 10:19 ` Philippe Mathieu-Daudé
2021-08-27 17:53 ` [PATCH RFC server v2 02/11] vfio-user: define vfio-user object Jagannathan Raman
2021-09-08 12:37 ` Stefan Hajnoczi
2021-09-10 14:04 ` Jag Raman
2021-08-27 17:53 ` [PATCH RFC server v2 03/11] vfio-user: instantiate vfio-user context Jagannathan Raman
2021-09-08 12:40 ` Stefan Hajnoczi
2021-09-10 14:58 ` Jag Raman
2021-08-27 17:53 ` [PATCH RFC server v2 04/11] vfio-user: find and init PCI device Jagannathan Raman
2021-09-08 12:43 ` Stefan Hajnoczi
2021-09-10 15:02 ` Jag Raman
2021-08-27 17:53 ` [PATCH RFC server v2 05/11] vfio-user: run vfio-user context Jagannathan Raman
2021-09-08 12:58 ` Stefan Hajnoczi
2021-09-08 13:37 ` John Levon
2021-09-08 15:02 ` Stefan Hajnoczi
2021-09-08 15:21 ` John Levon
2021-09-08 15:46 ` Stefan Hajnoczi
2021-08-27 17:53 ` [PATCH RFC server v2 06/11] vfio-user: handle PCI config space accesses Jagannathan Raman
2021-09-09 7:27 ` Stefan Hajnoczi
2021-09-10 16:22 ` Jag Raman
2021-09-13 12:13 ` Stefan Hajnoczi
2021-08-27 17:53 ` [PATCH RFC server v2 07/11] vfio-user: handle DMA mappings Jagannathan Raman
2021-09-09 7:29 ` Stefan Hajnoczi
2021-08-27 17:53 ` [PATCH RFC server v2 08/11] vfio-user: handle PCI BAR accesses Jagannathan Raman
2021-09-09 7:37 ` Stefan Hajnoczi
2021-09-10 16:36 ` Jag Raman
2021-08-27 17:53 ` [PATCH RFC server v2 09/11] vfio-user: handle device interrupts Jagannathan Raman
2021-09-09 7:40 ` Stefan Hajnoczi
2021-08-27 17:53 ` [PATCH RFC server v2 10/11] vfio-user: register handlers to facilitate migration Jagannathan Raman
2021-09-09 8:14 ` Stefan Hajnoczi
2021-08-27 17:53 ` [PATCH RFC server v2 11/11] vfio-user: acceptance test Jagannathan Raman
2021-09-08 10:08 ` [PATCH RFC server v2 00/11] vfio-user server in QEMU Stefan Hajnoczi
2021-09-08 12:06 ` Jag Raman
2021-09-09 8:17 ` Stefan Hajnoczi
2021-09-10 14:02 ` Jag Raman
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