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authorPeter Maydell <peter.maydell@linaro.org>2015-03-09 09:14:28 +0000
committerPeter Maydell <peter.maydell@linaro.org>2015-03-09 09:14:28 +0000
commit0048fa6c807fc8fb5c52873562ea3debfa65f085 (patch)
tree1b0e846afaf7787006e5dd535e437e5874b5f90a /include/standard-headers/asm-s390/kvm_virtio.h
parent6608c7e9eb65727524f6f590b1e716ec6e7877d4 (diff)
parent59ea3e7532a85b15bd551335b27fa97db48efa8d (diff)
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pci, pc, virtio fixes and cleanups A bunch of fixes all over the place. All of ACPI refactoring has been merged. Legacy pci commands have been dropped. virtio header cleanup initial patches from virtio-1.0 branch Signed-off-by: Michael S. Tsirkin <mst@redhat.com> * remotes/mst/tags/for_upstream: (130 commits) acpi: drop unused code aml-build: comment fix acpi-build: fix typo in comment acpi: update generated files vhost user:support vhost user nic for non msi guests aml-build: fix build for glib < 2.22 acpi: update generated files Makefile.target: binary depends on config-devices acpi-test-data: update after pci rewrite acpi, mem-hotplug: use PC_DIMM_SLOT_PROP in acpi_memory_plug_cb(). pci-hotplug-old: Has been dead for five major releases, bury pci: Give a few helpers internal linkage acpi: make build_*() routines static to aml-build.c pc: acpi: remove not used anymore ssdt-[misc|pcihp].hex.generated blobs pc: acpi-build: drop template patching and create PCI bus tree dynamically tests: ACPI: update pc/SSDT.bridge due to new alg of PCI tree creation pc: acpi-build: simplify PCI bus tree generation tests: add ACPI blobs for qemu with bridge cases tests: bios-tables-test: add support for testing bridges tests: ACPI test blobs update due to PCI0._CRS changes ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Conflicts: hw/pci/pci-hotplug-old.c
Diffstat (limited to 'include/standard-headers/asm-s390/kvm_virtio.h')
-rw-r--r--include/standard-headers/asm-s390/kvm_virtio.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/include/standard-headers/asm-s390/kvm_virtio.h b/include/standard-headers/asm-s390/kvm_virtio.h
new file mode 100644
index 0000000000..daad3249d2
--- /dev/null
+++ b/include/standard-headers/asm-s390/kvm_virtio.h
@@ -0,0 +1,64 @@
+/*
+ * definition for virtio for kvm on s390
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (version 2 only)
+ * as published by the Free Software Foundation.
+ *
+ * Author(s): Christian Borntraeger <borntraeger@de.ibm.com>
+ */
+
+#ifndef __KVM_S390_VIRTIO_H
+#define __KVM_S390_VIRTIO_H
+
+#include "standard-headers/linux/types.h"
+
+struct kvm_device_desc {
+ /* The device type: console, network, disk etc. Type 0 terminates. */
+ uint8_t type;
+ /* The number of virtqueues (first in config array) */
+ uint8_t num_vq;
+ /*
+ * The number of bytes of feature bits. Multiply by 2: one for host
+ * features and one for guest acknowledgements.
+ */
+ uint8_t feature_len;
+ /* The number of bytes of the config array after virtqueues. */
+ uint8_t config_len;
+ /* A status byte, written by the Guest. */
+ uint8_t status;
+ uint8_t config[0];
+};
+
+/*
+ * This is how we expect the device configuration field for a virtqueue
+ * to be laid out in config space.
+ */
+struct kvm_vqconfig {
+ /* The token returned with an interrupt. Set by the guest */
+ uint64_t token;
+ /* The address of the virtio ring */
+ uint64_t address;
+ /* The number of entries in the virtio_ring */
+ uint16_t num;
+
+};
+
+#define KVM_S390_VIRTIO_NOTIFY 0
+#define KVM_S390_VIRTIO_RESET 1
+#define KVM_S390_VIRTIO_SET_STATUS 2
+
+/* The alignment to use between consumer and producer parts of vring.
+ * This is pagesize for historical reasons. */
+#define KVM_S390_VIRTIO_RING_ALIGN 4096
+
+
+/* These values are supposed to be in ext_params on an interrupt */
+#define VIRTIO_PARAM_MASK 0xff
+#define VIRTIO_PARAM_VRING_INTERRUPT 0x0
+#define VIRTIO_PARAM_CONFIG_CHANGED 0x1
+#define VIRTIO_PARAM_DEV_ADD 0x2
+
+#endif