Merge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-jul-02-2019' into...
[qemu/ar7.git] / hw / ppc / pnv_bmc.c
blob4b76d34f0a49643475a7f9f65e57ad4d65d7dc54
1 /*
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"
20 #include "hw/hw.h"
21 #include "sysemu/sysemu.h"
22 #include "target/ppc/cpu.h"
23 #include "qemu/log.h"
24 #include "hw/ipmi/ipmi.h"
25 #include "hw/ppc/fdt.h"
27 #include "hw/ppc/pnv.h"
29 #include <libfdt.h>
31 /* TODO: include definition in ipmi.h */
32 #define IPMI_SDR_FULL_TYPE 1
35 * OEM SEL Event data packet sent by BMC in response of a Read Event
36 * Message Buffer command
38 typedef struct OemSel {
39 /* SEL header */
40 uint8_t id[2];
41 uint8_t type;
42 uint8_t timestamp[4];
43 uint8_t manuf_id[3];
45 /* OEM SEL data (6 bytes) follows */
46 uint8_t netfun;
47 uint8_t cmd;
48 uint8_t data[4];
49 } OemSel;
51 #define SOFT_OFF 0x00
52 #define SOFT_REBOOT 0x01
54 static void pnv_gen_oem_sel(IPMIBmc *bmc, uint8_t reboot)
56 /* IPMI SEL Event are 16 bytes long */
57 OemSel sel = {
58 .id = { 0x55 , 0x55 },
59 .type = 0xC0, /* OEM */
60 .manuf_id = { 0x0, 0x0, 0x0 },
61 .timestamp = { 0x0, 0x0, 0x0, 0x0 },
62 .netfun = 0x3A, /* IBM */
63 .cmd = 0x04, /* AMI OEM SEL Power Notification */
64 .data = { reboot, 0xFF, 0xFF, 0xFF },
67 ipmi_bmc_gen_event(bmc, (uint8_t *) &sel, 0 /* do not log the event */);
70 void pnv_bmc_powerdown(IPMIBmc *bmc)
72 pnv_gen_oem_sel(bmc, SOFT_OFF);
75 void pnv_dt_bmc_sensors(IPMIBmc *bmc, void *fdt)
77 int offset;
78 int i;
79 const struct ipmi_sdr_compact *sdr;
80 uint16_t nextrec;
82 offset = fdt_add_subnode(fdt, 0, "/bmc");
83 _FDT(offset);
85 _FDT((fdt_setprop_string(fdt, offset, "name", "bmc")));
86 _FDT((fdt_setprop_cell(fdt, offset, "#address-cells", 0x1)));
87 _FDT((fdt_setprop_cell(fdt, offset, "#size-cells", 0x0)));
89 offset = fdt_add_subnode(fdt, offset, "sensors");
90 _FDT(offset);
92 _FDT((fdt_setprop_cell(fdt, offset, "#address-cells", 0x1)));
93 _FDT((fdt_setprop_cell(fdt, offset, "#size-cells", 0x0)));
95 for (i = 0; !ipmi_bmc_sdr_find(bmc, i, &sdr, &nextrec); i++) {
96 int off;
97 char *name;
99 if (sdr->header.rec_type != IPMI_SDR_COMPACT_TYPE &&
100 sdr->header.rec_type != IPMI_SDR_FULL_TYPE) {
101 continue;
104 name = g_strdup_printf("sensor@%x", sdr->sensor_owner_number);
105 off = fdt_add_subnode(fdt, offset, name);
106 _FDT(off);
107 g_free(name);
109 _FDT((fdt_setprop_cell(fdt, off, "reg", sdr->sensor_owner_number)));
110 _FDT((fdt_setprop_string(fdt, off, "name", "sensor")));
111 _FDT((fdt_setprop_string(fdt, off, "compatible", "ibm,ipmi-sensor")));
112 _FDT((fdt_setprop_cell(fdt, off, "ipmi-sensor-reading-type",
113 sdr->reading_type)));
114 _FDT((fdt_setprop_cell(fdt, off, "ipmi-entity-id",
115 sdr->entity_id)));
116 _FDT((fdt_setprop_cell(fdt, off, "ipmi-entity-instance",
117 sdr->entity_instance)));
118 _FDT((fdt_setprop_cell(fdt, off, "ipmi-sensor-type",
119 sdr->sensor_type)));