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-rw-r--r--hw/core/qdev-properties.c176
-rw-r--r--include/hw/qdev-properties.h8
-rw-r--r--qapi/common.json42
3 files changed, 226 insertions, 0 deletions
diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index bd84c4ea4c..943dc2654b 100644
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -1297,3 +1297,179 @@ const PropertyInfo qdev_prop_off_auto_pcibar = {
.set = set_enum,
.set_default_value = set_default_value_enum,
};
+
+/* --- PCIELinkSpeed 2_5/5/8/16 -- */
+
+static void get_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ DeviceState *dev = DEVICE(obj);
+ Property *prop = opaque;
+ PCIExpLinkSpeed *p = qdev_get_prop_ptr(dev, prop);
+ int speed;
+
+ switch (*p) {
+ case QEMU_PCI_EXP_LNK_2_5GT:
+ speed = PCIE_LINK_SPEED_2_5;
+ break;
+ case QEMU_PCI_EXP_LNK_5GT:
+ speed = PCIE_LINK_SPEED_5;
+ break;
+ case QEMU_PCI_EXP_LNK_8GT:
+ speed = PCIE_LINK_SPEED_8;
+ break;
+ case QEMU_PCI_EXP_LNK_16GT:
+ speed = PCIE_LINK_SPEED_16;
+ break;
+ default:
+ /* Unreachable */
+ abort();
+ }
+
+ visit_type_enum(v, prop->name, &speed, prop->info->enum_table, errp);
+}
+
+static void set_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ DeviceState *dev = DEVICE(obj);
+ Property *prop = opaque;
+ PCIExpLinkSpeed *p = qdev_get_prop_ptr(dev, prop);
+ int speed;
+ Error *local_err = NULL;
+
+ if (dev->realized) {
+ qdev_prop_set_after_realize(dev, name, errp);
+ return;
+ }
+
+ visit_type_enum(v, prop->name, &speed, prop->info->enum_table, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+
+ switch (speed) {
+ case PCIE_LINK_SPEED_2_5:
+ *p = QEMU_PCI_EXP_LNK_2_5GT;
+ break;
+ case PCIE_LINK_SPEED_5:
+ *p = QEMU_PCI_EXP_LNK_5GT;
+ break;
+ case PCIE_LINK_SPEED_8:
+ *p = QEMU_PCI_EXP_LNK_8GT;
+ break;
+ case PCIE_LINK_SPEED_16:
+ *p = QEMU_PCI_EXP_LNK_16GT;
+ break;
+ default:
+ /* Unreachable */
+ abort();
+ }
+}
+
+const PropertyInfo qdev_prop_pcie_link_speed = {
+ .name = "PCIELinkSpeed",
+ .description = "2_5/5/8/16",
+ .enum_table = &PCIELinkSpeed_lookup,
+ .get = get_prop_pcielinkspeed,
+ .set = set_prop_pcielinkspeed,
+ .set_default_value = set_default_value_enum,
+};
+
+/* --- PCIELinkWidth 1/2/4/8/12/16/32 -- */
+
+static void get_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ DeviceState *dev = DEVICE(obj);
+ Property *prop = opaque;
+ PCIExpLinkWidth *p = qdev_get_prop_ptr(dev, prop);
+ int width;
+
+ switch (*p) {
+ case QEMU_PCI_EXP_LNK_X1:
+ width = PCIE_LINK_WIDTH_1;
+ break;
+ case QEMU_PCI_EXP_LNK_X2:
+ width = PCIE_LINK_WIDTH_2;
+ break;
+ case QEMU_PCI_EXP_LNK_X4:
+ width = PCIE_LINK_WIDTH_4;
+ break;
+ case QEMU_PCI_EXP_LNK_X8:
+ width = PCIE_LINK_WIDTH_8;
+ break;
+ case QEMU_PCI_EXP_LNK_X12:
+ width = PCIE_LINK_WIDTH_12;
+ break;
+ case QEMU_PCI_EXP_LNK_X16:
+ width = PCIE_LINK_WIDTH_16;
+ break;
+ case QEMU_PCI_EXP_LNK_X32:
+ width = PCIE_LINK_WIDTH_32;
+ break;
+ default:
+ /* Unreachable */
+ abort();
+ }
+
+ visit_type_enum(v, prop->name, &width, prop->info->enum_table, errp);
+}
+
+static void set_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ DeviceState *dev = DEVICE(obj);
+ Property *prop = opaque;
+ PCIExpLinkWidth *p = qdev_get_prop_ptr(dev, prop);
+ int width;
+ Error *local_err = NULL;
+
+ if (dev->realized) {
+ qdev_prop_set_after_realize(dev, name, errp);
+ return;
+ }
+
+ visit_type_enum(v, prop->name, &width, prop->info->enum_table, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+
+ switch (width) {
+ case PCIE_LINK_WIDTH_1:
+ *p = QEMU_PCI_EXP_LNK_X1;
+ break;
+ case PCIE_LINK_WIDTH_2:
+ *p = QEMU_PCI_EXP_LNK_X2;
+ break;
+ case PCIE_LINK_WIDTH_4:
+ *p = QEMU_PCI_EXP_LNK_X4;
+ break;
+ case PCIE_LINK_WIDTH_8:
+ *p = QEMU_PCI_EXP_LNK_X8;
+ break;
+ case PCIE_LINK_WIDTH_12:
+ *p = QEMU_PCI_EXP_LNK_X12;
+ break;
+ case PCIE_LINK_WIDTH_16:
+ *p = QEMU_PCI_EXP_LNK_X16;
+ break;
+ case PCIE_LINK_WIDTH_32:
+ *p = QEMU_PCI_EXP_LNK_X32;
+ break;
+ default:
+ /* Unreachable */
+ abort();
+ }
+}
+
+const PropertyInfo qdev_prop_pcie_link_width = {
+ .name = "PCIELinkWidth",
+ .description = "1/2/4/8/12/16/32",
+ .enum_table = &PCIELinkWidth_lookup,
+ .get = get_prop_pcielinkwidth,
+ .set = set_prop_pcielinkwidth,
+ .set_default_value = set_default_value_enum,
+};
diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
index 3ab9cd2eb6..b6758c852e 100644
--- a/include/hw/qdev-properties.h
+++ b/include/hw/qdev-properties.h
@@ -36,6 +36,8 @@ extern const PropertyInfo qdev_prop_uuid;
extern const PropertyInfo qdev_prop_arraylen;
extern const PropertyInfo qdev_prop_link;
extern const PropertyInfo qdev_prop_off_auto_pcibar;
+extern const PropertyInfo qdev_prop_pcie_link_speed;
+extern const PropertyInfo qdev_prop_pcie_link_width;
#define DEFINE_PROP(_name, _state, _field, _prop, _type) { \
.name = (_name), \
@@ -217,6 +219,12 @@ extern const PropertyInfo qdev_prop_off_auto_pcibar;
#define DEFINE_PROP_OFF_AUTO_PCIBAR(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_off_auto_pcibar, \
OffAutoPCIBAR)
+#define DEFINE_PROP_PCIE_LINK_SPEED(_n, _s, _f, _d) \
+ DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_pcie_link_speed, \
+ PCIExpLinkSpeed)
+#define DEFINE_PROP_PCIE_LINK_WIDTH(_n, _s, _f, _d) \
+ DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_pcie_link_width, \
+ PCIExpLinkWidth)
#define DEFINE_PROP_UUID(_name, _state, _field) { \
.name = (_name), \
diff --git a/qapi/common.json b/qapi/common.json
index 021174f04e..99d313ef3b 100644
--- a/qapi/common.json
+++ b/qapi/common.json
@@ -128,6 +128,48 @@
'data': [ 'off', 'auto', 'bar0', 'bar1', 'bar2', 'bar3', 'bar4', 'bar5' ] }
##
+# @PCIELinkSpeed:
+#
+# An enumeration of PCIe link speeds in units of GT/s
+#
+# @2_5: 2.5GT/s
+#
+# @5: 5.0GT/s
+#
+# @8: 8.0GT/s
+#
+# @16: 16.0GT/s
+#
+# Since: 4.0
+##
+{ 'enum': 'PCIELinkSpeed',
+ 'data': [ '2_5', '5', '8', '16' ] }
+
+##
+# @PCIELinkWidth:
+#
+# An enumeration of PCIe link width
+#
+# @1: x1
+#
+# @2: x2
+#
+# @4: x4
+#
+# @8: x8
+#
+# @12: x12
+#
+# @16: x16
+#
+# @32: x32
+#
+# Since: 4.0
+##
+{ 'enum': 'PCIELinkWidth',
+ 'data': [ '1', '2', '4', '8', '12', '16', '32' ] }
+
+##
# @SysEmuTarget:
#
# The comprehensive enumeration of QEMU system emulation ("softmmu")
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-04 20:59:59 +0000