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path: root/hw/ipmi/ipmi_bmc_sim.c
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Diffstat (limited to 'hw/ipmi/ipmi_bmc_sim.c')
-rw-r--r--hw/ipmi/ipmi_bmc_sim.c196
1 files changed, 194 insertions, 2 deletions
diff --git a/hw/ipmi/ipmi_bmc_sim.c b/hw/ipmi/ipmi_bmc_sim.c
index c7883d6f5e..277c28cb40 100644
--- a/hw/ipmi/ipmi_bmc_sim.c
+++ b/hw/ipmi/ipmi_bmc_sim.c
@@ -27,6 +27,7 @@
#include "qemu/timer.h"
#include "hw/ipmi/ipmi.h"
#include "qemu/error-report.h"
+#include "hw/loader.h"
#define IPMI_NETFN_CHASSIS 0x00
@@ -79,6 +80,9 @@
#define IPMI_CMD_ENTER_SDR_REP_UPD_MODE 0x2A
#define IPMI_CMD_EXIT_SDR_REP_UPD_MODE 0x2B
#define IPMI_CMD_RUN_INIT_AGENT 0x2C
+#define IPMI_CMD_GET_FRU_AREA_INFO 0x10
+#define IPMI_CMD_READ_FRU_DATA 0x11
+#define IPMI_CMD_WRITE_FRU_DATA 0x12
#define IPMI_CMD_GET_SEL_INFO 0x40
#define IPMI_CMD_GET_SEL_ALLOC_INFO 0x41
#define IPMI_CMD_RESERVE_SEL 0x42
@@ -121,6 +125,13 @@ typedef struct IPMISdr {
uint8_t overflow;
} IPMISdr;
+typedef struct IPMIFru {
+ char *filename;
+ unsigned int nentries;
+ uint16_t areasize;
+ uint8_t *data;
+} IPMIFru;
+
typedef struct IPMISensor {
uint8_t status;
uint8_t reading;
@@ -212,7 +223,9 @@ struct IPMIBmcSim {
IPMISel sel;
IPMISdr sdr;
+ IPMIFru fru;
IPMISensor sensors[MAX_SENSORS];
+ char *sdr_filename;
/* Odd netfns are for responses, so we only need the even ones. */
const IPMINetfn *netfns[MAX_NETFNS / 2];
@@ -403,6 +416,22 @@ static int sdr_find_entry(IPMISdr *sdr, uint16_t recid,
return 1;
}
+int ipmi_bmc_sdr_find(IPMIBmc *b, uint16_t recid,
+ const struct ipmi_sdr_compact **sdr, uint16_t *nextrec)
+
+{
+ IPMIBmcSim *ibs = IPMI_BMC_SIMULATOR(b);
+ unsigned int pos;
+
+ pos = 0;
+ if (sdr_find_entry(&ibs->sdr, recid, &pos, nextrec)) {
+ return -1;
+ }
+
+ *sdr = (const struct ipmi_sdr_compact *) &ibs->sdr.sdr[pos];
+ return 0;
+}
+
static void sel_inc_reservation(IPMISel *sel)
{
sel->reservation++;
@@ -444,6 +473,30 @@ static int attn_irq_enabled(IPMIBmcSim *ibs)
IPMI_BMC_MSG_FLAG_EVT_BUF_FULL_SET(ibs));
}
+void ipmi_bmc_gen_event(IPMIBmc *b, uint8_t *evt, bool log)
+{
+ IPMIBmcSim *ibs = IPMI_BMC_SIMULATOR(b);
+ IPMIInterface *s = ibs->parent.intf;
+ IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
+
+ if (!IPMI_BMC_EVENT_MSG_BUF_ENABLED(ibs)) {
+ return;
+ }
+
+ if (log && IPMI_BMC_EVENT_LOG_ENABLED(ibs)) {
+ sel_add_event(ibs, evt);
+ }
+
+ if (ibs->msg_flags & IPMI_BMC_MSG_FLAG_EVT_BUF_FULL) {
+ goto out;
+ }
+
+ memcpy(ibs->evtbuf, evt, 16);
+ ibs->msg_flags |= IPMI_BMC_MSG_FLAG_EVT_BUF_FULL;
+ k->set_atn(s, 1, attn_irq_enabled(ibs));
+ out:
+ return;
+}
static void gen_event(IPMIBmcSim *ibs, unsigned int sens_num, uint8_t deassert,
uint8_t evd1, uint8_t evd2, uint8_t evd3)
{
@@ -1315,6 +1368,91 @@ static void get_sel_info(IPMIBmcSim *ibs,
rsp_buffer_push(rsp, (ibs->sel.overflow << 7) | 0x02);
}
+static void get_fru_area_info(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ uint8_t fruid;
+ uint16_t fru_entry_size;
+
+ fruid = cmd[2];
+
+ if (fruid >= ibs->fru.nentries) {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+
+ fru_entry_size = ibs->fru.areasize;
+
+ rsp_buffer_push(rsp, fru_entry_size & 0xff);
+ rsp_buffer_push(rsp, fru_entry_size >> 8 & 0xff);
+ rsp_buffer_push(rsp, 0x0);
+}
+
+static void read_fru_data(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ uint8_t fruid;
+ uint16_t offset;
+ int i;
+ uint8_t *fru_entry;
+ unsigned int count;
+
+ fruid = cmd[2];
+ offset = (cmd[3] | cmd[4] << 8);
+
+ if (fruid >= ibs->fru.nentries) {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+
+ if (offset >= ibs->fru.areasize - 1) {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+
+ fru_entry = &ibs->fru.data[fruid * ibs->fru.areasize];
+
+ count = MIN(cmd[5], ibs->fru.areasize - offset);
+
+ rsp_buffer_push(rsp, count & 0xff);
+ for (i = 0; i < count; i++) {
+ rsp_buffer_push(rsp, fru_entry[offset + i]);
+ }
+}
+
+static void write_fru_data(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ uint8_t fruid;
+ uint16_t offset;
+ uint8_t *fru_entry;
+ unsigned int count;
+
+ fruid = cmd[2];
+ offset = (cmd[3] | cmd[4] << 8);
+
+ if (fruid >= ibs->fru.nentries) {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+
+ if (offset >= ibs->fru.areasize - 1) {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+
+ fru_entry = &ibs->fru.data[fruid * ibs->fru.areasize];
+
+ count = MIN(cmd_len - 5, ibs->fru.areasize - offset);
+
+ memcpy(fru_entry + offset, cmd + 5, count);
+
+ rsp_buffer_push(rsp, count & 0xff);
+}
+
static void reserve_sel(IPMIBmcSim *ibs,
uint8_t *cmd, unsigned int cmd_len,
RspBuffer *rsp)
@@ -1651,6 +1789,9 @@ static const IPMINetfn app_netfn = {
};
static const IPMICmdHandler storage_cmds[] = {
+ [IPMI_CMD_GET_FRU_AREA_INFO] = { get_fru_area_info, 3 },
+ [IPMI_CMD_READ_FRU_DATA] = { read_fru_data, 5 },
+ [IPMI_CMD_WRITE_FRU_DATA] = { write_fru_data, 5 },
[IPMI_CMD_GET_SDR_REP_INFO] = { get_sdr_rep_info },
[IPMI_CMD_RESERVE_SDR_REP] = { reserve_sdr_rep },
[IPMI_CMD_GET_SDR] = { get_sdr, 8 },
@@ -1696,22 +1837,33 @@ static void ipmi_sdr_init(IPMIBmcSim *ibs)
sdrs_size = sizeof(init_sdrs);
sdrs = init_sdrs;
+ if (ibs->sdr_filename &&
+ !g_file_get_contents(ibs->sdr_filename, (gchar **) &sdrs, &sdrs_size,
+ NULL)) {
+ error_report("failed to load sdr file '%s'", ibs->sdr_filename);
+ sdrs_size = sizeof(init_sdrs);
+ sdrs = init_sdrs;
+ }
for (i = 0; i < sdrs_size; i += len) {
struct ipmi_sdr_header *sdrh;
if (i + IPMI_SDR_HEADER_SIZE > sdrs_size) {
error_report("Problem with recid 0x%4.4x", i);
- return;
+ break;
}
sdrh = (struct ipmi_sdr_header *) &sdrs[i];
len = ipmi_sdr_length(sdrh);
if (i + len > sdrs_size) {
error_report("Problem with recid 0x%4.4x", i);
- return;
+ break;
}
sdr_add_entry(ibs, sdrh, len, NULL);
}
+
+ if (sdrs != init_sdrs) {
+ g_free(sdrs);
+ }
}
static const VMStateDescription vmstate_ipmi_sim = {
@@ -1742,6 +1894,36 @@ static const VMStateDescription vmstate_ipmi_sim = {
}
};
+static void ipmi_fru_init(IPMIFru *fru)
+{
+ int fsize;
+ int size = 0;
+
+ if (!fru->filename) {
+ goto out;
+ }
+
+ fsize = get_image_size(fru->filename);
+ if (fsize > 0) {
+ size = QEMU_ALIGN_UP(fsize, fru->areasize);
+ fru->data = g_malloc0(size);
+ if (load_image_size(fru->filename, fru->data, fsize) != fsize) {
+ error_report("Could not load file '%s'", fru->filename);
+ g_free(fru->data);
+ fru->data = NULL;
+ }
+ }
+
+out:
+ if (!fru->data) {
+ /* give one default FRU */
+ size = fru->areasize;
+ fru->data = g_malloc0(size);
+ }
+
+ fru->nentries = size / fru->areasize;
+}
+
static void ipmi_sim_realize(DeviceState *dev, Error **errp)
{
IPMIBmc *b = IPMI_BMC(dev);
@@ -1763,6 +1945,8 @@ static void ipmi_sim_realize(DeviceState *dev, Error **errp)
ipmi_sdr_init(ibs);
+ ipmi_fru_init(&ibs->fru);
+
ibs->acpi_power_state[0] = 0;
ibs->acpi_power_state[1] = 0;
@@ -1780,6 +1964,13 @@ static void ipmi_sim_realize(DeviceState *dev, Error **errp)
vmstate_register(NULL, 0, &vmstate_ipmi_sim, ibs);
}
+static Property ipmi_sim_properties[] = {
+ DEFINE_PROP_UINT16("fruareasize", IPMIBmcSim, fru.areasize, 1024),
+ DEFINE_PROP_STRING("frudatafile", IPMIBmcSim, fru.filename),
+ DEFINE_PROP_STRING("sdrfile", IPMIBmcSim, sdr_filename),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
static void ipmi_sim_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
@@ -1787,6 +1978,7 @@ static void ipmi_sim_class_init(ObjectClass *oc, void *data)
dc->hotpluggable = false;
dc->realize = ipmi_sim_realize;
+ dc->props = ipmi_sim_properties;
bk->handle_command = ipmi_sim_handle_command;
}
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-03 14:48:28 +0000