[RFC V2 09/10] hw/cxl: Wire SVC and Dev3 capability to CXL Type 3 device

[Shrihari E S <shrihari.s@samsung.com>]

Adds SVC and Dev3 capability to CXL type 3 device to make
it work as a UIO completer.

Signed-off-by: Shrihari E S <shrihari.s@samsung.com>
Signed-off-by: Dongjoo Seo <dongjoo.seo1@samsung.com>
---
 hw/mem/cxl_type3.c          | 15 +++++++++++++++
 include/hw/cxl/cxl_device.h |  1 +
 2 files changed, 16 insertions(+)

diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c
index 0adf2e8b3e..74ddcf6e58 100644
--- a/hw/mem/cxl_type3.c
+++ b/hw/mem/cxl_type3.c
@@ -1195,6 +1195,20 @@ void ct3_realize(PCIDevice *pci_dev, Error **errp)
     pcie_doe_init(pci_dev, &ct3d->doe_comp, 0x1b0, doe_comp_prot, true,
                   CXL_T3_MSIX_PCIE_DOE_COMPLIANCE);
 
+    if (ct3d->svc) {
+        /* SVC capability of the type3 device */
+        rc = pcie_svc_cap_init(pci_dev, 0x200 + PCI_ERR_SIZEOF, errp);
+        if ((rc >= 0) && ct3d->flitmode && ct3d->uio_comp_capable) {
+
+            /*
+             * The Dev3 Capability is initialized  after AER in the PCIe config
+             * space. Also initializing CXL type3 device as a UIO completer.
+             */
+            pcie_dev3_cap_init(pci_dev, 0x200 + PCI_ERR_SIZEOF + PCI_SVC_SIZEOF,
+                               false, true, errp);
+        }
+    }
+
     /* Set default value for patrol scrub attributes */
     ct3d->patrol_scrub_attrs.scrub_cycle_cap =
                            CXL_MEMDEV_PS_SCRUB_CYCLE_CHANGE_CAP_DEFAULT |
@@ -1560,6 +1574,7 @@ static const Property ct3_props[] = {
                                 width, PCIE_LINK_WIDTH_16),
     DEFINE_PROP_BOOL("x-256b-flit", CXLType3Dev, flitmode, false),
     DEFINE_PROP_BOOL("hdm-db", CXLType3Dev, hdmdb, false),
+    DEFINE_PROP_BOOL("x-svc", CXLType3Dev, svc, false),
     DEFINE_PROP_BOOL("x-uio", CXLType3Dev, uio_comp_capable, false),
     DEFINE_PROP_UINT16("chmu-port", CXLType3Dev, cxl_dstate.chmu[0].port, 0),
 };
diff --git a/include/hw/cxl/cxl_device.h b/include/hw/cxl/cxl_device.h
index 3d92d3f46c..5505aefe37 100644
--- a/include/hw/cxl/cxl_device.h
+++ b/include/hw/cxl/cxl_device.h
@@ -885,6 +885,7 @@ struct CXLType3Dev {
     bool flitmode;
     bool uio_comp_capable;
     bool uio_enabled;
+    bool svc;
 
     /* DOE */
     DOECap doe_cdat;
-- 
2.34.1