pseries-3.1 had been deprecated and due for removal now as per policy.
Also remove backward compatibility flags and related code introduced for
pre pseries-4.0 machines.

Suggested-by: Cédric Le Goater <c...@kaod.org>
Signed-off-by: Harsh Prateek Bora <hars...@linux.ibm.com>
---
 include/hw/ppc/spapr.h |  3 --
 hw/ppc/spapr.c         | 64 ++++--------------------------------------
 hw/ppc/spapr_hcall.c   |  5 ----
 3 files changed, 6 insertions(+), 66 deletions(-)

diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 0c1e5132de..02b66f7ffa 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -143,10 +143,7 @@ struct SpaprMachineClass {
     MachineClass parent_class;
 
     /*< public >*/
-    bool dr_phb_enabled;       /* enable dynamic-reconfig/hotplug of PHBs */
-    bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
     uint32_t nr_xirqs;
-    bool broken_host_serial_model; /* present real host info to the guest */
     bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
     bool linux_pci_probe;
     bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 6d17f4b808..44b9fc3ab6 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1180,7 +1180,6 @@ void *spapr_build_fdt(SpaprMachineState *spapr, bool 
reset, size_t space)
 {
     MachineState *machine = MACHINE(spapr);
     MachineClass *mc = MACHINE_GET_CLASS(machine);
-    SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine);
     uint32_t root_drc_type_mask = 0;
     int ret;
     void *fdt;
@@ -1211,16 +1210,10 @@ void *spapr_build_fdt(SpaprMachineState *spapr, bool 
reset, size_t space)
     /* Host Model & Serial Number */
     if (spapr->host_model) {
         _FDT(fdt_setprop_string(fdt, 0, "host-model", spapr->host_model));
-    } else if (smc->broken_host_serial_model && kvmppc_get_host_model(&buf)) {
-        _FDT(fdt_setprop_string(fdt, 0, "host-model", buf));
-        g_free(buf);
     }
 
     if (spapr->host_serial) {
         _FDT(fdt_setprop_string(fdt, 0, "host-serial", spapr->host_serial));
-    } else if (smc->broken_host_serial_model && kvmppc_get_host_serial(&buf)) {
-        _FDT(fdt_setprop_string(fdt, 0, "host-serial", buf));
-        g_free(buf);
     }
 
     _FDT(fdt_setprop_cell(fdt, 0, "#address-cells", 2));
@@ -1258,9 +1251,8 @@ void *spapr_build_fdt(SpaprMachineState *spapr, bool 
reset, size_t space)
 
     /* ibm,drc-indexes and friends */
     root_drc_type_mask |= SPAPR_DR_CONNECTOR_TYPE_LMB;
-    if (smc->dr_phb_enabled) {
-        root_drc_type_mask |= SPAPR_DR_CONNECTOR_TYPE_PHB;
-    }
+    root_drc_type_mask |= SPAPR_DR_CONNECTOR_TYPE_PHB;
+
     if (mc->nvdimm_supported) {
         root_drc_type_mask |= SPAPR_DR_CONNECTOR_TYPE_PMEM;
     }
@@ -2061,9 +2053,7 @@ static const VMStateDescription vmstate_spapr_irq_map = {
 
 static bool spapr_dtb_needed(void *opaque)
 {
-    SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(opaque);
-
-    return smc->update_dt_enabled;
+    return true; /* backward migration compat */
 }
 
 static int spapr_dtb_pre_load(void *opaque)
@@ -3007,11 +2997,9 @@ static void spapr_machine_init(MachineState *machine)
      * connectors for a PHBs PCI slots) are added as needed during their
      * parent's realization.
      */
-    if (smc->dr_phb_enabled) {
-        for (i = 0; i < SPAPR_MAX_PHBS; i++) {
-            spapr_dr_connector_new(OBJECT(machine), TYPE_SPAPR_DRC_PHB, i);
-        }
-    }
+     for (i = 0; i < SPAPR_MAX_PHBS; i++) {
+         spapr_dr_connector_new(OBJECT(machine), TYPE_SPAPR_DRC_PHB, i);
+     }
 
     /* Set up PCI */
     spapr_pci_rtas_init();
@@ -4093,11 +4081,6 @@ static bool spapr_phb_pre_plug(HotplugHandler 
*hotplug_dev, DeviceState *dev,
     const unsigned windows_supported = spapr_phb_windows_supported(sphb);
     SpaprDrc *drc;
 
-    if (dev->hotplugged && !smc->dr_phb_enabled) {
-        error_setg(errp, "PHB hotplug not supported for this machine");
-        return false;
-    }
-
     if (sphb->index == (uint32_t)-1) {
         error_setg(errp, "\"index\" for PAPR PHB is mandatory");
         return false;
@@ -4123,16 +4106,10 @@ static bool spapr_phb_pre_plug(HotplugHandler 
*hotplug_dev, DeviceState *dev,
 
 static void spapr_phb_plug(HotplugHandler *hotplug_dev, DeviceState *dev)
 {
-    SpaprMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev));
-    SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
     SpaprPhbState *sphb = SPAPR_PCI_HOST_BRIDGE(dev);
     SpaprDrc *drc;
     bool hotplugged = spapr_drc_hotplugged(dev);
 
-    if (!smc->dr_phb_enabled) {
-        return;
-    }
-
     drc = spapr_drc_by_id(TYPE_SPAPR_DRC_PHB, sphb->index);
     /* hotplug hooks should check it's enabled before getting this far */
     assert(drc);
@@ -4258,7 +4235,6 @@ static void 
spapr_machine_device_unplug_request(HotplugHandler *hotplug_dev,
 {
     SpaprMachineState *sms = SPAPR_MACHINE(OBJECT(hotplug_dev));
     MachineClass *mc = MACHINE_GET_CLASS(sms);
-    SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
 
     if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
         if (spapr_memory_hot_unplug_supported(sms)) {
@@ -4273,10 +4249,6 @@ static void 
spapr_machine_device_unplug_request(HotplugHandler *hotplug_dev,
         }
         spapr_core_unplug_request(hotplug_dev, dev, errp);
     } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_PCI_HOST_BRIDGE)) {
-        if (!smc->dr_phb_enabled) {
-            error_setg(errp, "PHB hot unplug not supported on this machine");
-            return;
-        }
         spapr_phb_unplug_request(hotplug_dev, dev, errp);
     } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_TPM_PROXY)) {
         spapr_tpm_proxy_unplug(hotplug_dev, dev);
@@ -4637,7 +4609,6 @@ static void spapr_machine_class_init(ObjectClass *oc, 
const void *data)
     hc->unplug_request = spapr_machine_device_unplug_request;
     hc->unplug = spapr_machine_device_unplug;
 
-    smc->update_dt_enabled = true;
     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power10_v2.0");
     mc->has_hotpluggable_cpus = true;
     mc->nvdimm_supported = true;
@@ -4691,7 +4662,6 @@ static void spapr_machine_class_init(ObjectClass *oc, 
const void *data)
     smc->default_caps.caps[SPAPR_CAP_AIL_MODE_3] = SPAPR_CAP_ON;
     spapr_caps_add_properties(smc);
     smc->irq = &spapr_irq_dual;
-    smc->dr_phb_enabled = true;
     smc->linux_pci_probe = true;
     smc->smp_threads_vsmt = true;
     smc->nr_xirqs = SPAPR_NR_XIRQS;
@@ -5025,28 +4995,6 @@ static void spapr_machine_4_0_class_options(MachineClass 
*mc)
 
 DEFINE_SPAPR_MACHINE(4, 0);
 
-/*
- * pseries-3.1
- */
-static void spapr_machine_3_1_class_options(MachineClass *mc)
-{
-    SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
-
-    spapr_machine_4_0_class_options(mc);
-    compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len);
-
-    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0");
-    smc->update_dt_enabled = false;
-    smc->dr_phb_enabled = false;
-    smc->broken_host_serial_model = true;
-    smc->default_caps.caps[SPAPR_CAP_CFPC] = SPAPR_CAP_BROKEN;
-    smc->default_caps.caps[SPAPR_CAP_SBBC] = SPAPR_CAP_BROKEN;
-    smc->default_caps.caps[SPAPR_CAP_IBS] = SPAPR_CAP_BROKEN;
-    smc->default_caps.caps[SPAPR_CAP_LARGE_DECREMENTER] = SPAPR_CAP_OFF;
-}
-
-DEFINE_SPAPR_MACHINE(3, 1);
-
 static void spapr_machine_register_types(void)
 {
     type_register_static(&spapr_machine_info);
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index 1e936f35e4..cf92a74251 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -1476,16 +1476,11 @@ static target_ulong h_update_dt(PowerPCCPU *cpu, 
SpaprMachineState *spapr,
     target_ulong dt = ppc64_phys_to_real(args[0]);
     struct fdt_header hdr = { 0 };
     unsigned cb;
-    SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
     void *fdt;
 
     cpu_physical_memory_read(dt, &hdr, sizeof(hdr));
     cb = fdt32_to_cpu(hdr.totalsize);
 
-    if (!smc->update_dt_enabled) {
-        return H_SUCCESS;
-    }
-
     /* Check that the fdt did not grow out of proportion */
     if (cb > spapr->fdt_initial_size * 2) {
         trace_spapr_update_dt_failed_size(spapr->fdt_initial_size, cb,
-- 
2.49.0


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