ppc/spapr: Add support for implement support for H_SCM_HEALTH

[mirror_qemu.git] / hw / ppc / pnv_bmc.c

diff --git a/hw/ppc/pnv_bmc.c b/hw/ppc/pnv_bmc.c
index 2e1a03daa45abb9b4501f3e614a77ce9741c173e..75a22ce50b11d2418514e2aa874bc14dd6a71102 100644 (file)
--- a/hw/ppc/pnv_bmc.c
+++ b/hw/ppc/pnv_bmc.c
@@ -51,6 +51,11 @@ typedef struct OemSel {
 #define SOFT_OFF        0x00
 #define SOFT_REBOOT     0x01
 
+static bool pnv_bmc_is_simulator(IPMIBmc *bmc)
+{
+    return object_dynamic_cast(OBJECT(bmc), TYPE_IPMI_BMC_SIMULATOR);
+}
+
 static void pnv_gen_oem_sel(IPMIBmc *bmc, uint8_t reboot)
 {
     /* IPMI SEL Event are 16 bytes long */
@@ -79,6 +84,10 @@ void pnv_dt_bmc_sensors(IPMIBmc *bmc, void *fdt)
     const struct ipmi_sdr_compact *sdr;
     uint16_t nextrec;
 
+    if (!pnv_bmc_is_simulator(bmc)) {
+        return;
+    }
+
     offset = fdt_add_subnode(fdt, 0, "bmc");
     _FDT(offset);
 
@@ -140,6 +149,27 @@ static uint16_t bytes_to_blocks(uint32_t bytes)
     return bytes >> BLOCK_SHIFT;
 }
 
+static uint32_t blocks_to_bytes(uint16_t blocks)
+{
+    return blocks << BLOCK_SHIFT;
+}
+
+static int hiomap_erase(PnvPnor *pnor, uint32_t offset, uint32_t size)
+{
+    MemTxResult result;
+    int i;
+
+    for (i = 0; i < size / 4; i++) {
+        result = memory_region_dispatch_write(&pnor->mmio, offset + i * 4,
+                                              0xFFFFFFFF, MO_32,
+                                              MEMTXATTRS_UNSPECIFIED);
+        if (result != MEMTX_OK) {
+            return -1;
+        }
+    }
+    return 0;
+}
+
 static void hiomap_cmd(IPMIBmcSim *ibs, uint8_t *cmd, unsigned int cmd_len,
                        RspBuffer *rsp)
 {
@@ -155,10 +185,16 @@ static void hiomap_cmd(IPMIBmcSim *ibs, uint8_t *cmd, unsigned int cmd_len,
     switch (cmd[2]) {
     case HIOMAP_C_MARK_DIRTY:
     case HIOMAP_C_FLUSH:
-    case HIOMAP_C_ERASE:
     case HIOMAP_C_ACK:
         break;
 
+    case HIOMAP_C_ERASE:
+        if (hiomap_erase(pnor, blocks_to_bytes(cmd[5] << 8 | cmd[4]),
+                        blocks_to_bytes(cmd[7] << 8 | cmd[6]))) {
+            rsp_buffer_set_error(rsp, IPMI_CC_UNSPECIFIED);
+        }
+        break;
+
     case HIOMAP_C_GET_INFO:
         rsp_buffer_push(rsp, 2);  /* Version 2 */
         rsp_buffer_push(rsp, BLOCK_SHIFT); /* block size */
@@ -197,7 +233,7 @@ static void hiomap_cmd(IPMIBmcSim *ibs, uint8_t *cmd, unsigned int cmd_len,
     case HIOMAP_C_RESET:
     case HIOMAP_C_LOCK:
     default:
-        qemu_log_mask(LOG_GUEST_ERROR, "HIOMAP: unknow command %02X\n", cmd[2]);
+        qemu_log_mask(LOG_GUEST_ERROR, "HIOMAP: unknown command %02X\n", cmd[2]);
         break;
     }
 }
@@ -216,6 +252,10 @@ static const IPMINetfn hiomap_netfn = {
 
 void pnv_bmc_set_pnor(IPMIBmc *bmc, PnvPnor *pnor)
 {
+    if (!pnv_bmc_is_simulator(bmc)) {
+        return;
+    }
+
     object_ref(OBJECT(pnor));
     object_property_add_const_link(OBJECT(bmc), "pnor", OBJECT(pnor));
 
@@ -233,13 +273,8 @@ IPMIBmc *pnv_bmc_create(PnvPnor *pnor)
     Object *obj;
 
     obj = object_new(TYPE_IPMI_BMC_SIMULATOR);
-    object_ref(OBJECT(pnor));
-    object_property_add_const_link(obj, "pnor", OBJECT(pnor));
     qdev_realize(DEVICE(obj), NULL, &error_fatal);
-
-    /* Install the HIOMAP protocol handlers to access the PNOR */
-    ipmi_sim_register_netfn(IPMI_BMC_SIMULATOR(obj), IPMI_NETFN_OEM,
-                            &hiomap_netfn);
+    pnv_bmc_set_pnor(IPMI_BMC(obj), pnor);
 
     return IPMI_BMC(obj);
 }
@@ -264,7 +299,7 @@ static int bmc_find(Object *child, void *opaque)
 
 IPMIBmc *pnv_bmc_find(Error **errp)
 {
-    ForeachArgs args = { TYPE_IPMI_BMC_SIMULATOR, NULL };
+    ForeachArgs args = { TYPE_IPMI_BMC, NULL };
     int ret;
 
     ret = object_child_foreach_recursive(object_get_root(), bmc_find, &args);