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[RESEND,12/15] ppc: spapr: Use correct source for parttbl info for nested PAPR API.

Message ID 20230906043333.448244-13-harshpb@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series Nested PAPR API (KVM on PowerVM) | expand

Commit Message

Harsh Prateek Bora Sept. 6, 2023, 4:33 a.m. UTC 
For nested PAPR API, we use SpaprMachineStateNestedGuest struct to store
partition table info. Therefore, use the same in spapr_get_pate() as
well.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
---
 hw/ppc/spapr.c         | 14 ++++++++++++++
 hw/ppc/spapr_nested.c  |  1 -
 include/hw/ppc/spapr.h |  3 +++
 3 files changed, 17 insertions(+), 1 deletion(-)
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Patch

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 7c6f6ee25d..ee4b073d19 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1361,9 +1361,23 @@  static bool spapr_get_pate(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu,
         patb += 16 * lpid;
         entry->dw0 = ldq_phys(CPU(cpu)->as, patb);
         entry->dw1 = ldq_phys(CPU(cpu)->as, patb + 8);
+        return true;
     }
 
+#ifdef CONFIG_TCG
+    /* Nested PAPR API */
+    SpaprMachineStateNestedGuest *guest;
+    assert(lpid != 0);
+    guest = spapr_get_nested_guest(spapr, lpid);
+    assert(guest != NULL);
+
+    entry->dw0 = guest->parttbl[0];
+    entry->dw1 = guest->parttbl[1];
+
     return true;
+#else
+    return false;
+#endif
 }
 
 #define HPTE(_table, _i)   (void *)(((uint64_t *)(_table)) + ((_i) * 2))
diff --git a/hw/ppc/spapr_nested.c b/hw/ppc/spapr_nested.c
index 498e7286fa..67e389a762 100644
--- a/hw/ppc/spapr_nested.c
+++ b/hw/ppc/spapr_nested.c
@@ -377,7 +377,6 @@  void spapr_exit_nested(PowerPCCPU *cpu, int excp)
     address_space_unmap(CPU(cpu)->as, regs, len, len, true);
 }
 
-static
 SpaprMachineStateNestedGuest *spapr_get_nested_guest(SpaprMachineState *spapr,
                                                      target_ulong lpid)
 {
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index c9f9682a46..cdc256f057 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -1052,5 +1052,8 @@  void spapr_vof_client_dt_finalize(SpaprMachineState *spapr, void *fdt);
 
 /* H_WATCHDOG */
 void spapr_watchdog_init(SpaprMachineState *spapr);
+/* Nested PAPR */
+SpaprMachineStateNestedGuest *spapr_get_nested_guest(SpaprMachineState *spapr,
+                                                     target_ulong lpid);
 
 #endif /* HW_SPAPR_H */