diff options
| -rw-r--r-- | hw/ipmi/ipmi_bmc_sim.c | 133 | ||||
| -rw-r--r-- | qemu-options.hx | 8 |
2 files changed, 139 insertions, 2 deletions
diff --git a/hw/ipmi/ipmi_bmc_sim.c b/hw/ipmi/ipmi_bmc_sim.c index 1142c0c..feb7627 100644 --- a/hw/ipmi/ipmi_bmc_sim.c +++ b/hw/ipmi/ipmi_bmc_sim.c @@ -80,6 +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 @@ -122,6 +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; @@ -213,6 +223,7 @@ struct IPMIBmcSim { IPMISel sel; IPMISdr sdr; + IPMIFru fru; IPMISensor sensors[MAX_SENSORS]; char *sdr_filename; @@ -1317,6 +1328,91 @@ 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) @@ -1653,6 +1749,9 @@ 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 }, @@ -1755,6 +1854,36 @@ 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); @@ -1776,6 +1905,8 @@ 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; @@ -1794,6 +1925,8 @@ static void ipmi_sim_realize(DeviceState *dev, Error **errp) } 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(), }; diff --git a/qemu-options.hx b/qemu-options.hx index 366b088..39770c1 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -425,7 +425,7 @@ possible drivers and properties, use @code{-device help} and @code{-device @var{driver},help}. Some drivers are: -@item -device ipmi-bmc-sim,id=@var{id}[,slave_addr=@var{val}][,sdrfile=@var{file}] +@item -device ipmi-bmc-sim,id=@var{id}[,slave_addr=@var{val}][,sdrfile=@var{file}][,furareasize=@var{val}][,furdatafile=@var{file}] Add an IPMI BMC. This is a simulation of a hardware management interface processor that normally sits on a system. It provides @@ -443,7 +443,11 @@ The BMC to connect to, one of ipmi-bmc-sim or ipmi-bmc-extern above. @item slave_addr=@var{val} Define slave address to use for the BMC. The default is 0x20. @item sdrfile=@var{file} -file containing raw Sensor Data Records (SDR) data. The default is none. +file containing raw Sensor Data Records (SDR) data. The default is none. +@item fruareasize=@var{val} +size of a Field Replaceable Unit (FRU) area. The default is 1024. +@item frudatafile=@var{file} +file containing raw Field Replaceable Unit (FRU) inventory data. The default is none. @end table @item -device ipmi-bmc-extern,id=@var{id},chardev=@var{id}[,slave_addr=@var{val}] |