diff options
Diffstat (limited to 'hw/ipmi/ipmi_bmc_sim.c')
| -rw-r--r-- | hw/ipmi/ipmi_bmc_sim.c | 196 |
1 files changed, 194 insertions, 2 deletions
diff --git a/hw/ipmi/ipmi_bmc_sim.c b/hw/ipmi/ipmi_bmc_sim.c index c7883d6..277c28c 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; } |