2 * QEMU PowerNV, BMC related functions
4 * Copyright (c) 2016-2017, IBM Corporation.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License, version 2, as
8 * published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 #include "qemu/osdep.h"
21 #include "sysemu/sysemu.h"
22 #include "target/ppc/cpu.h"
23 #include "qapi/error.h"
25 #include "hw/ipmi/ipmi.h"
26 #include "hw/ppc/fdt.h"
28 #include "hw/ppc/pnv.h"
32 /* TODO: include definition in ipmi.h */
33 #define IPMI_SDR_FULL_TYPE 1
36 * OEM SEL Event data packet sent by BMC in response of a Read Event
37 * Message Buffer command
39 typedef struct OemSel {
46 /* OEM SEL data (6 bytes) follows */
53 #define SOFT_REBOOT 0x01
55 static void pnv_gen_oem_sel(IPMIBmc *bmc, uint8_t reboot)
57 /* IPMI SEL Event are 16 bytes long */
59 .id = { 0x55 , 0x55 },
60 .type = 0xC0, /* OEM */
61 .manuf_id = { 0x0, 0x0, 0x0 },
62 .timestamp = { 0x0, 0x0, 0x0, 0x0 },
63 .netfun = 0x3A, /* IBM */
64 .cmd = 0x04, /* AMI OEM SEL Power Notification */
65 .data = { reboot, 0xFF, 0xFF, 0xFF },
68 ipmi_bmc_gen_event(bmc, (uint8_t *) &sel, 0 /* do not log the event */);
71 void pnv_bmc_powerdown(IPMIBmc *bmc)
73 pnv_gen_oem_sel(bmc, SOFT_OFF);
76 void pnv_dt_bmc_sensors(IPMIBmc *bmc, void *fdt)
80 const struct ipmi_sdr_compact *sdr;
83 offset = fdt_add_subnode(fdt, 0, "/bmc");
86 _FDT((fdt_setprop_string(fdt, offset, "name", "bmc")));
87 _FDT((fdt_setprop_cell(fdt, offset, "#address-cells", 0x1)));
88 _FDT((fdt_setprop_cell(fdt, offset, "#size-cells", 0x0)));
90 offset = fdt_add_subnode(fdt, offset, "sensors");
93 _FDT((fdt_setprop_cell(fdt, offset, "#address-cells", 0x1)));
94 _FDT((fdt_setprop_cell(fdt, offset, "#size-cells", 0x0)));
96 for (i = 0; !ipmi_bmc_sdr_find(bmc, i, &sdr, &nextrec); i++) {
100 if (sdr->header.rec_type != IPMI_SDR_COMPACT_TYPE &&
101 sdr->header.rec_type != IPMI_SDR_FULL_TYPE) {
105 name = g_strdup_printf("sensor@%x", sdr->sensor_owner_number);
106 off = fdt_add_subnode(fdt, offset, name);
110 _FDT((fdt_setprop_cell(fdt, off, "reg", sdr->sensor_owner_number)));
111 _FDT((fdt_setprop_string(fdt, off, "name", "sensor")));
112 _FDT((fdt_setprop_string(fdt, off, "compatible", "ibm,ipmi-sensor")));
113 _FDT((fdt_setprop_cell(fdt, off, "ipmi-sensor-reading-type",
114 sdr->reading_type)));
115 _FDT((fdt_setprop_cell(fdt, off, "ipmi-entity-id",
117 _FDT((fdt_setprop_cell(fdt, off, "ipmi-entity-instance",
118 sdr->entity_instance)));
119 _FDT((fdt_setprop_cell(fdt, off, "ipmi-sensor-type",