[PATCH libvirt v1 4/7] nodedev: detect AP Matrix device

Add support for AP matrix device in libvirt nodedev driver. Signed-off-by: Shalini Chellathurai Saroja <shalini(a)linux.ibm.com&gt; Reviewed-by: Bjoern Walk <bwalk(a)linux.ibm.com&gt; Reviewed-by: Boris Fiuczynski <fiuczy(a)linux.ibm.com&gt; --- docs/schemas/nodedev.rng | 7 ++++++ src/conf/node_device_conf.c | 10 +++++++- src/conf/node_device_conf.h | 8 +++++++ src/conf/virnodedeviceobj.c | 1 + src/node_device/node_device_udev.c | 23 +++++++++++++++++++ tests/nodedevschemadata/ap_matrix.xml | 7 ++++++ ...v_ee0b88c4_f554_4dc1_809d_b2a01e8e48ad.xml | 9 ++++++++ tests/nodedevxml2xmltest.c | 2 ++ tools/virsh-nodedev.c | 1 + 9 files changed, 67 insertions(+), 1 deletion(-) create mode 100644 tests/nodedevschemadata/ap_matrix.xml create mode 100644 tests/nodedevschemadata/mdev_ee0b88c4_f554_4dc1_809d_b2a01e8e48ad.xml diff --git a/docs/schemas/nodedev.rng b/docs/schemas/nodedev.rng index 5f812c8f..7c017ff1 100644 --- a/docs/schemas/nodedev.rng +++ b/docs/schemas/nodedev.rng @@ -88,6 +88,7 @@ <ref name="capcssdev"/> <ref name="capapcard"/> <ref name="capapqueue"/> + <ref name="capapmatrix"/> </choice> </element> </define> @@ -698,6 +699,12 @@ </element> </define> + <define name='capapmatrix'> + <attribute name='type'> + <value>ap_matrix</value> + </attribute> + </define> + <define name='address'> <element name='address'> <attribute name='domain'><ref name='hexuint'/></attribute> diff --git a/src/conf/node_device_conf.c b/src/conf/node_device_conf.c index d27b0c71..33c9a020 100644 --- a/src/conf/node_device_conf.c +++ b/src/conf/node_device_conf.c @@ -68,6 +68,7 @@ VIR_ENUM_IMPL(virNodeDevCap, "css", "ap_card", "ap_queue", + "ap_matrix", ); VIR_ENUM_IMPL(virNodeDevNetCap, @@ -626,6 +627,7 @@ virNodeDeviceDefFormat(const virNodeDeviceDef *def) case VIR_NODE_DEV_CAP_MDEV_TYPES: case VIR_NODE_DEV_CAP_FC_HOST: case VIR_NODE_DEV_CAP_VPORTS: + case VIR_NODE_DEV_CAP_AP_MATRIX: case VIR_NODE_DEV_CAP_LAST: break; } @@ -1995,6 +1997,9 @@ virNodeDevCapsDefParseXML(xmlXPathContextPtr ctxt, ret = virNodeDevCapAPQueueParseXML(ctxt, def, node, &caps->data.ap_queue); break; + case VIR_NODE_DEV_CAP_AP_MATRIX: + ret = 0; + break; case VIR_NODE_DEV_CAP_MDEV_TYPES: case VIR_NODE_DEV_CAP_FC_HOST: case VIR_NODE_DEV_CAP_VPORTS: @@ -2310,6 +2315,9 @@ virNodeDevCapsDefFree(virNodeDevCapsDefPtr caps) virMediatedDeviceAttrFree(data->mdev.attributes[i]); VIR_FREE(data->mdev.attributes); break; + case VIR_NODE_DEV_CAP_AP_MATRIX: + VIR_FREE(data->ap_matrix.addr); + break; case VIR_NODE_DEV_CAP_MDEV_TYPES: case VIR_NODE_DEV_CAP_DRM: case VIR_NODE_DEV_CAP_FC_HOST: @@ -2374,6 +2382,7 @@ virNodeDeviceUpdateCaps(virNodeDeviceDefPtr def) case VIR_NODE_DEV_CAP_CSS_DEV: case VIR_NODE_DEV_CAP_AP_CARD: case VIR_NODE_DEV_CAP_AP_QUEUE: + case VIR_NODE_DEV_CAP_AP_MATRIX: case VIR_NODE_DEV_CAP_LAST: break; } @@ -2722,7 +2731,6 @@ virNodeDeviceGetPCIDynamicCaps(const char *sysfsPath G_GNUC_UNUSED, return -1; } - int virNodeDeviceGetSCSITargetCaps(const char *sysfsPath G_GNUC_UNUSED, virNodeDevCapSCSITargetPtr scsi_target G_GNUC_UNUSED) { diff --git a/src/conf/node_device_conf.h b/src/conf/node_device_conf.h index d732efaa..f1e57ad7 100644 --- a/src/conf/node_device_conf.h +++ b/src/conf/node_device_conf.h @@ -67,6 +67,7 @@ typedef enum { VIR_NODE_DEV_CAP_CSS_DEV, /* s390 channel subsystem device */ VIR_NODE_DEV_CAP_AP_CARD, /* s390 AP Card device */ VIR_NODE_DEV_CAP_AP_QUEUE, /* s390 AP Queue */ + VIR_NODE_DEV_CAP_AP_MATRIX, /* s390 AP Matrix device */ VIR_NODE_DEV_CAP_LAST } virNodeDevCapType; @@ -290,6 +291,12 @@ struct _virNodeDevCapAPQueue { unsigned int ap_domain; }; +typedef struct _virNodeDevCapAPMatrix virNodeDevCapAPMatrix; +typedef virNodeDevCapAPMatrix *virNodeDevCapAPMatrixPtr; +struct _virNodeDevCapAPMatrix { + char *addr; +}; + typedef struct _virNodeDevCapData virNodeDevCapData; typedef virNodeDevCapData *virNodeDevCapDataPtr; struct _virNodeDevCapData { @@ -310,6 +317,7 @@ struct _virNodeDevCapData { virNodeDevCapCCW ccw_dev; virNodeDevCapAPCard ap_card; virNodeDevCapAPQueue ap_queue; + virNodeDevCapAPMatrix ap_matrix; }; }; diff --git a/src/conf/virnodedeviceobj.c b/src/conf/virnodedeviceobj.c index 0ce230db..a19017b8 100644 --- a/src/conf/virnodedeviceobj.c +++ b/src/conf/virnodedeviceobj.c @@ -713,6 +713,7 @@ virNodeDeviceObjHasCap(const virNodeDeviceObj *obj, case VIR_NODE_DEV_CAP_CSS_DEV: case VIR_NODE_DEV_CAP_AP_CARD: case VIR_NODE_DEV_CAP_AP_QUEUE: + case VIR_NODE_DEV_CAP_AP_MATRIX: case VIR_NODE_DEV_CAP_LAST: break; } diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c index 16a73db2..ea983726 100644 --- a/src/node_device/node_device_udev.c +++ b/src/node_device/node_device_udev.c @@ -1191,6 +1191,25 @@ udevProcessAPQueue(struct udev_device *device, } +static int +udevProcessAPMatrix(struct udev_device *device, + virNodeDeviceDefPtr def) +{ + size_t i; + virNodeDevCapDataPtr data = &def->caps->data; + + data->ap_matrix.addr = g_strdup(udev_device_get_sysname(device)); + def->name = g_strdup_printf("ap_%s", data->ap_matrix.addr); + + for (i = 0; i < strlen(def->name); i++) { + if (!(g_ascii_isalnum(*(def->name + i)))) + *(def->name + i) = '_'; + } + + return 0; +} + + static int udevGetDeviceNodes(struct udev_device *device, virNodeDeviceDefPtr def) @@ -1274,6 +1293,8 @@ udevGetDeviceType(struct udev_device *device, *type = VIR_NODE_DEV_CAP_CCW_DEV; else if (STREQ_NULLABLE(subsystem, "css")) *type = VIR_NODE_DEV_CAP_CSS_DEV; + else if (STREQ_NULLABLE(subsystem, "matrix")) + *type = VIR_NODE_DEV_CAP_AP_MATRIX; VIR_FREE(subsystem); } @@ -1324,6 +1345,8 @@ udevGetDeviceDetails(struct udev_device *device, return udevProcessAPCard(device, def); case VIR_NODE_DEV_CAP_AP_QUEUE: return udevProcessAPQueue(device, def); + case VIR_NODE_DEV_CAP_AP_MATRIX: + return udevProcessAPMatrix(device, def); case VIR_NODE_DEV_CAP_MDEV_TYPES: case VIR_NODE_DEV_CAP_SYSTEM: case VIR_NODE_DEV_CAP_FC_HOST: diff --git a/tests/nodedevschemadata/ap_matrix.xml b/tests/nodedevschemadata/ap_matrix.xml new file mode 100644 index 00000000..30dab9cf --- /dev/null +++ b/tests/nodedevschemadata/ap_matrix.xml @@ -0,0 +1,7 @@ +<device> + <name>ap_matrix</name> + <path>/sys/devices/vfio_ap/matrix</path> + <parent>computer</parent> + <capability type='ap_matrix'> + </capability> +</device> diff --git a/tests/nodedevschemadata/mdev_ee0b88c4_f554_4dc1_809d_b2a01e8e48ad.xml b/tests/nodedevschemadata/mdev_ee0b88c4_f554_4dc1_809d_b2a01e8e48ad.xml new file mode 100644 index 00000000..106f7593 --- /dev/null +++ b/tests/nodedevschemadata/mdev_ee0b88c4_f554_4dc1_809d_b2a01e8e48ad.xml @@ -0,0 +1,9 @@ +<device> + <name>mdev_ee0b88c4-f554-4dc1-809d-b2a01e8e48ad</name> + <path>/sys/devices/vfio_ap/matrix/mdev_ee0b88c4-f554-4dc1-809d-b2a01e8e48ad</path> + <parent>ap_matrix</parent> + <capability type='mdev'> + <type id='vfio_ap-passthrough'/> + <iommuGroup number='0'/> + </capability> +</device> diff --git a/tests/nodedevxml2xmltest.c b/tests/nodedevxml2xmltest.c index d6ab25bf..69d72ff0 100644 --- a/tests/nodedevxml2xmltest.c +++ b/tests/nodedevxml2xmltest.c @@ -126,6 +126,8 @@ mymain(void) DO_TEST("css_0_0_ffff"); DO_TEST("ap_card07"); DO_TEST("ap_07_0038"); + DO_TEST("ap_matrix"); + DO_TEST("mdev_ee0b88c4_f554_4dc1_809d_b2a01e8e48ad"); return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE; } diff --git a/tools/virsh-nodedev.c b/tools/virsh-nodedev.c index 3862d8f3..d39d87c7 100644 --- a/tools/virsh-nodedev.c +++ b/tools/virsh-nodedev.c @@ -470,6 +470,7 @@ cmdNodeListDevices(vshControl *ctl, const vshCmd *cmd G_GNUC_UNUSED) case VIR_NODE_DEV_CAP_AP_QUEUE: flags |= VIR_CONNECT_LIST_NODE_DEVICES_CAP_AP_QUEUE; break; + case VIR_NODE_DEV_CAP_AP_MATRIX: case VIR_NODE_DEV_CAP_LAST: break; } -- 2.26.2