[Qemu-devel] [PATCH v3 04/10] ppc/pnv: add a PIR handler to PnvChip

[Cédric Le Goater]

P9 and P8 have some differences in the CPU PIR encoding.

Signed-off-by: Cédric Le Goater <c...@kaod.org>
---
 hw/ppc/pnv.c         | 14 ++++++++++++++
 include/hw/ppc/pnv.h |  1 +
 2 files changed, 15 insertions(+)

diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index ec7dd6ac5ea1..f4c125503249 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -238,6 +238,16 @@ static void ppc_powernv_init(MachineState *machine)
     g_free(chip_typename);
 }
 
+static uint32_t pnv_chip_core_pir_p8(PnvChip *chip, uint32_t core_id)
+{
+    return (chip->chip_id << 7) | (core_id << 3);
+}
+
+static uint32_t pnv_chip_core_pir_p9(PnvChip *chip, uint32_t core_id)
+{
+    return (chip->chip_id << 8) | (core_id << 2);
+}
+
 /* Allowed core identifiers on a POWER8 Processor Chip :
  *
  * <EX0 reserved>
@@ -273,6 +283,7 @@ static void pnv_chip_power8e_class_init(ObjectClass *klass, 
void *data)
     k->chip_type = PNV_CHIP_POWER8E;
     k->chip_cfam_id = 0x221ef04980000000ull;  /* P8 Murano DD2.1 */
     k->cores_mask = POWER8E_CORE_MASK;
+    k->core_pir = pnv_chip_core_pir_p8;
     dc->desc = "PowerNV Chip POWER8E";
 }
 
@@ -292,6 +303,7 @@ static void pnv_chip_power8_class_init(ObjectClass *klass, 
void *data)
     k->chip_type = PNV_CHIP_POWER8;
     k->chip_cfam_id = 0x220ea04980000000ull; /* P8 Venice DD2.0 */
     k->cores_mask = POWER8_CORE_MASK;
+    k->core_pir = pnv_chip_core_pir_p8;
     dc->desc = "PowerNV Chip POWER8";
 }
 
@@ -311,6 +323,7 @@ static void pnv_chip_power8nvl_class_init(ObjectClass 
*klass, void *data)
     k->chip_type = PNV_CHIP_POWER8NVL;
     k->chip_cfam_id = 0x120d304980000000ull;  /* P8 Naples DD1.0 */
     k->cores_mask = POWER8_CORE_MASK;
+    k->core_pir = pnv_chip_core_pir_p8;
     dc->desc = "PowerNV Chip POWER8NVL";
 }
 
@@ -330,6 +343,7 @@ static void pnv_chip_power9_class_init(ObjectClass *klass, 
void *data)
     k->chip_type = PNV_CHIP_POWER9;
     k->chip_cfam_id = 0x100d104980000000ull; /* P9 Nimbus DD1.0 */
     k->cores_mask = POWER9_CORE_MASK;
+    k->core_pir = pnv_chip_core_pir_p9;
     dc->desc = "PowerNV Chip POWER9";
 }
 
diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h
index cfc32586320f..2bd2294ac2a3 100644
--- a/include/hw/ppc/pnv.h
+++ b/include/hw/ppc/pnv.h
@@ -58,6 +58,7 @@ typedef struct PnvChipClass {
     uint64_t     cores_mask;
 
     void (*realize)(PnvChip *dev, Error **errp);
+    uint32_t (*core_pir)(PnvChip *chip, uint32_t core_id);
 } PnvChipClass;
 
 #define TYPE_PNV_CHIP_POWER8E TYPE_PNV_CHIP "-POWER8E"
-- 
2.7.4