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nvme-print-json.c
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// SPDX-License-Identifier: GPL-2.0-or-later
#include <assert.h>
#include <errno.h>
#include <time.h>
#include <ccan/ccan/compiler/compiler.h>
#include "nvme-print.h"
#include "util/json.h"
#include "util/logging.h"
#include "nvme.h"
#include "common.h"
#define ERROR_MSG_LEN 100
#define NAME_LEN 128
#define BUF_LEN 320
#define VAL_LEN 4096
#define BYTE_TO_BIT(byte) ((byte) * 8)
#define MS_TO_SEC(time) ((time) / 1000)
#define MS500_TO_MS(time) ((time) * 500)
#define MS500_TO_SEC(time) (MS_TO_SEC(MS500_TO_MS(time)))
#define array_add_obj json_array_add_value_object
#define array_add_str json_array_add_value_string
#define obj_add_array json_object_add_value_array
#define obj_add_int json_object_add_value_int
#define obj_add_obj json_object_add_value_object
#define obj_add_uint json_object_add_value_uint
#define obj_add_uint128 json_object_add_value_uint128
#define obj_add_uint64 json_object_add_value_uint64
#define obj_add_str json_object_add_value_string
#define obj_add_uint_02x json_object_add_uint_02x
#define obj_add_uint_0x json_object_add_uint_0x
#define obj_add_byte_array json_object_add_byte_array
#define obj_add_nprix64 json_object_add_nprix64
#define obj_add_uint_0nx json_object_add_uint_0nx
#define obj_add_0nprix64 json_object_add_0nprix64
static const uint8_t zero_uuid[16] = { 0 };
static struct print_ops json_print_ops;
static struct json_object *json_r;
static void json_feature_show_fields(enum nvme_features_id fid, unsigned int result,
unsigned char *buf);
static void d_json(unsigned char *buf, int len, int width, int group, struct json_object *array)
{
int i;
char ascii[32 + 1] = { 0 };
assert(width < sizeof(ascii));
for (i = 0; i < len; i++) {
ascii[i % width] = (buf[i] >= '!' && buf[i] <= '~') ? buf[i] : '.';
if (!((i + 1) % width)) {
array_add_str(array, ascii);
memset(ascii, 0, sizeof(ascii));
}
}
if (strlen(ascii)) {
ascii[i % width + 1] = '\0';
array_add_str(array, ascii);
}
}
static void obj_d(struct json_object *o, const char *k, unsigned char *buf, int len, int width,
int group)
{
struct json_object *data = json_create_array();
d_json(buf, len, width, group, data);
obj_add_array(o, k, data);
}
static void obj_add_uint_x(struct json_object *o, const char *k, __u32 v)
{
char str[STR_LEN];
sprintf(str, "%x", v);
obj_add_str(o, k, str);
}
static void obj_add_uint_nx(struct json_object *o, const char *k, __u32 v)
{
char str[STR_LEN];
sprintf(str, "%#x", v);
obj_add_str(o, k, str);
}
static void obj_add_prix64(struct json_object *o, const char *k, uint64_t v)
{
char str[STR_LEN];
sprintf(str, "%"PRIx64"", v);
obj_add_str(o, k, str);
}
static void obj_add_int_secs(struct json_object *o, const char *k, int v)
{
char str[STR_LEN];
sprintf(str, "%d secs", v);
obj_add_str(o, k, str);
}
static void obj_add_result(struct json_object *o, const char *v, ...)
{
va_list ap;
_cleanup_free_ char *value = NULL;
va_start(ap, v);
if (vasprintf(&value, v, ap) < 0)
value = NULL;
if (value)
obj_add_str(o, "Result", value);
else
obj_add_str(o, "Result", "Could not allocate string");
va_end(ap);
}
static void obj_add_key(struct json_object *o, const char *k, const char *v, ...)
{
va_list ap;
_cleanup_free_ char *value = NULL;
va_start(ap, v);
if (vasprintf(&value, v, ap) < 0)
value = NULL;
if (value)
obj_add_str(o, k, value);
else
obj_add_str(o, k, "Could not allocate string");
va_end(ap);
}
struct json_object *obj_create_array_obj(struct json_object *o, const char *k)
{
struct json_object *array = json_create_array();
struct json_object *obj = json_create_object();
obj_add_array(o, k, array);
array_add_obj(array, obj);
return obj;
}
static struct json_object *obj_create(const char *k)
{
struct json_object *array;
struct json_object *obj = json_create_object();
if (json_r) {
array = json_create_array();
obj_add_array(json_r, k, array);
array_add_obj(array, obj);
}
return obj;
}
void json_print(struct json_object *r)
{
json_print_object(r, NULL);
printf("\n");
json_free_object(r);
}
static void obj_print(struct json_object *o)
{
if (!json_r)
json_print(o);
}
static void json_id_iocs(struct nvme_id_iocs *iocs)
{
struct json_object *r = json_create_object();
char json_str[STR_LEN];
__u16 i;
for (i = 0; i < ARRAY_SIZE(iocs->iocsc); i++) {
if (iocs->iocsc[i]) {
sprintf(json_str, "I/O Command Set Combination[%u]", i);
obj_add_uint64(r, json_str, le64_to_cpu(iocs->iocsc[i]));
}
}
json_print(r);
}
static void json_nvme_id_ns(struct nvme_id_ns *ns, unsigned int nsid,
unsigned int lba_index, bool cap_only)
{
char nguid_buf[2 * sizeof(ns->nguid) + 1],
eui64_buf[2 * sizeof(ns->eui64) + 1];
char *nguid = nguid_buf, *eui64 = eui64_buf;
struct json_object *r = json_create_object();
struct json_object *lbafs = json_create_array();
struct json_object *vs = json_create_array();
int i;
nvme_uint128_t nvmcap = le128_to_cpu(ns->nvmcap);
if (!cap_only) {
obj_add_uint64(r, "nsze", le64_to_cpu(ns->nsze));
obj_add_uint64(r, "ncap", le64_to_cpu(ns->ncap));
obj_add_uint64(r, "nuse", le64_to_cpu(ns->nuse));
obj_add_int(r, "nsfeat", ns->nsfeat);
}
obj_add_int(r, "nlbaf", ns->nlbaf);
if (!cap_only)
obj_add_int(r, "flbas", ns->flbas);
obj_add_int(r, "mc", ns->mc);
obj_add_int(r, "dpc", ns->dpc);
if (!cap_only) {
obj_add_int(r, "dps", ns->dps);
obj_add_int(r, "nmic", ns->nmic);
obj_add_int(r, "rescap", ns->rescap);
obj_add_int(r, "fpi", ns->fpi);
obj_add_int(r, "dlfeat", ns->dlfeat);
obj_add_int(r, "nawun", le16_to_cpu(ns->nawun));
obj_add_int(r, "nawupf", le16_to_cpu(ns->nawupf));
obj_add_int(r, "nacwu", le16_to_cpu(ns->nacwu));
obj_add_int(r, "nabsn", le16_to_cpu(ns->nabsn));
obj_add_int(r, "nabo", le16_to_cpu(ns->nabo));
obj_add_int(r, "nabspf", le16_to_cpu(ns->nabspf));
obj_add_int(r, "noiob", le16_to_cpu(ns->noiob));
obj_add_uint128(r, "nvmcap", nvmcap);
if (ns->nsfeat & 0x30) {
obj_add_int(r, "npwg", le16_to_cpu(ns->npwg));
obj_add_int(r, "npwa", le16_to_cpu(ns->npwa));
if (ns->nsfeat & 0x10)
obj_add_int(r, "npdg", le16_to_cpu(ns->npdg));
obj_add_int(r, "npda", le16_to_cpu(ns->npda));
obj_add_int(r, "nows", le16_to_cpu(ns->nows));
}
obj_add_int(r, "mssrl", le16_to_cpu(ns->mssrl));
obj_add_uint(r, "mcl", le32_to_cpu(ns->mcl));
obj_add_int(r, "msrc", ns->msrc);
obj_add_uint(r, "kpios", ns->kpios);
}
obj_add_int(r, "nulbaf", ns->nulbaf);
if (!cap_only) {
obj_add_uint(r, "kpiodaag", le32_to_cpu(ns->kpiodaag));
obj_add_uint(r, "anagrpid", le32_to_cpu(ns->anagrpid));
obj_add_int(r, "nsattr", ns->nsattr);
obj_add_int(r, "nvmsetid", le16_to_cpu(ns->nvmsetid));
obj_add_int(r, "endgid", le16_to_cpu(ns->endgid));
memset(eui64, 0, sizeof(eui64_buf));
for (i = 0; i < sizeof(ns->eui64); i++)
eui64 += sprintf(eui64, "%02x", ns->eui64[i]);
memset(nguid, 0, sizeof(nguid_buf));
for (i = 0; i < sizeof(ns->nguid); i++)
nguid += sprintf(nguid, "%02x", ns->nguid[i]);
obj_add_str(r, "nguid", nguid_buf);
obj_add_str(r, "eui64", eui64_buf);
}
obj_add_array(r, "lbafs", lbafs);
for (i = 0; i <= ns->nlbaf; i++) {
struct json_object *lbaf = json_create_object();
obj_add_int(lbaf, "ms", le16_to_cpu(ns->lbaf[i].ms));
obj_add_int(lbaf, "ds", ns->lbaf[i].ds);
obj_add_int(lbaf, "rp", ns->lbaf[i].rp);
array_add_obj(lbafs, lbaf);
}
d_json(ns->vs, strnlen((const char *)ns->vs, sizeof(ns->vs)), 16, 1, vs);
obj_add_array(r, "vs", vs);
json_print(r);
}
void json_nvme_id_ctrl(struct nvme_id_ctrl *ctrl,
void (*vs)(__u8 *vs, struct json_object *r))
{
struct json_object *r = json_create_object();
struct json_object *psds = json_create_array();
nvme_uint128_t tnvmcap = le128_to_cpu(ctrl->tnvmcap);
nvme_uint128_t unvmcap = le128_to_cpu(ctrl->unvmcap);
nvme_uint128_t megcap = le128_to_cpu(ctrl->megcap);
nvme_uint128_t maxdna = le128_to_cpu(ctrl->maxdna);
char sn[sizeof(ctrl->sn) + 1], mn[sizeof(ctrl->mn) + 1],
fr[sizeof(ctrl->fr) + 1], subnqn[sizeof(ctrl->subnqn) + 1];
__u32 ieee = ctrl->ieee[2] << 16 | ctrl->ieee[1] << 8 | ctrl->ieee[0];
int i;
snprintf(sn, sizeof(sn), "%-.*s", (int)sizeof(ctrl->sn), ctrl->sn);
snprintf(mn, sizeof(mn), "%-.*s", (int)sizeof(ctrl->mn), ctrl->mn);
snprintf(fr, sizeof(fr), "%-.*s", (int)sizeof(ctrl->fr), ctrl->fr);
snprintf(subnqn, sizeof(subnqn), "%-.*s", (int)sizeof(ctrl->subnqn), ctrl->subnqn);
obj_add_int(r, "vid", le16_to_cpu(ctrl->vid));
obj_add_int(r, "ssvid", le16_to_cpu(ctrl->ssvid));
obj_add_str(r, "sn", sn);
obj_add_str(r, "mn", mn);
obj_add_str(r, "fr", fr);
obj_add_int(r, "rab", ctrl->rab);
obj_add_int(r, "ieee", ieee);
obj_add_int(r, "cmic", ctrl->cmic);
obj_add_int(r, "mdts", ctrl->mdts);
obj_add_int(r, "cntlid", le16_to_cpu(ctrl->cntlid));
obj_add_uint(r, "ver", le32_to_cpu(ctrl->ver));
obj_add_uint(r, "rtd3r", le32_to_cpu(ctrl->rtd3r));
obj_add_uint(r, "rtd3e", le32_to_cpu(ctrl->rtd3e));
obj_add_uint(r, "oaes", le32_to_cpu(ctrl->oaes));
obj_add_uint(r, "ctratt", le32_to_cpu(ctrl->ctratt));
obj_add_int(r, "rrls", le16_to_cpu(ctrl->rrls));
obj_add_int(r, "bpcap", ctrl->bpcap);
obj_add_uint(r, "nssl", le32_to_cpu(ctrl->nssl));
obj_add_int(r, "plsi", ctrl->plsi);
obj_add_int(r, "cntrltype", ctrl->cntrltype);
obj_add_str(r, "fguid", util_uuid_to_string(ctrl->fguid));
obj_add_int(r, "crdt1", le16_to_cpu(ctrl->crdt1));
obj_add_int(r, "crdt2", le16_to_cpu(ctrl->crdt2));
obj_add_int(r, "crdt3", le16_to_cpu(ctrl->crdt3));
obj_add_int(r, "crcap", ctrl->crcap);
obj_add_int(r, "nvmsr", ctrl->nvmsr);
obj_add_int(r, "vwci", ctrl->vwci);
obj_add_int(r, "mec", ctrl->mec);
obj_add_int(r, "oacs", le16_to_cpu(ctrl->oacs));
obj_add_int(r, "acl", ctrl->acl);
obj_add_int(r, "aerl", ctrl->aerl);
obj_add_int(r, "frmw", ctrl->frmw);
obj_add_int(r, "lpa", ctrl->lpa);
obj_add_int(r, "elpe", ctrl->elpe);
obj_add_int(r, "npss", ctrl->npss);
obj_add_int(r, "avscc", ctrl->avscc);
obj_add_int(r, "apsta", ctrl->apsta);
obj_add_int(r, "wctemp", le16_to_cpu(ctrl->wctemp));
obj_add_int(r, "cctemp", le16_to_cpu(ctrl->cctemp));
obj_add_int(r, "mtfa", le16_to_cpu(ctrl->mtfa));
obj_add_uint(r, "hmpre", le32_to_cpu(ctrl->hmpre));
obj_add_uint(r, "hmmin", le32_to_cpu(ctrl->hmmin));
obj_add_uint128(r, "tnvmcap", tnvmcap);
obj_add_uint128(r, "unvmcap", unvmcap);
obj_add_uint(r, "rpmbs", le32_to_cpu(ctrl->rpmbs));
obj_add_int(r, "edstt", le16_to_cpu(ctrl->edstt));
obj_add_int(r, "dsto", ctrl->dsto);
obj_add_int(r, "fwug", ctrl->fwug);
obj_add_int(r, "kas", le16_to_cpu(ctrl->kas));
obj_add_int(r, "hctma", le16_to_cpu(ctrl->hctma));
obj_add_int(r, "mntmt", le16_to_cpu(ctrl->mntmt));
obj_add_int(r, "mxtmt", le16_to_cpu(ctrl->mxtmt));
obj_add_uint(r, "sanicap", le32_to_cpu(ctrl->sanicap));
obj_add_uint(r, "hmminds", le32_to_cpu(ctrl->hmminds));
obj_add_int(r, "hmmaxd", le16_to_cpu(ctrl->hmmaxd));
obj_add_int(r, "nsetidmax", le16_to_cpu(ctrl->nsetidmax));
obj_add_int(r, "endgidmax", le16_to_cpu(ctrl->endgidmax));
obj_add_int(r, "anatt", ctrl->anatt);
obj_add_int(r, "anacap", ctrl->anacap);
obj_add_uint(r, "anagrpmax", le32_to_cpu(ctrl->anagrpmax));
obj_add_uint(r, "nanagrpid", le32_to_cpu(ctrl->nanagrpid));
obj_add_uint(r, "pels", le32_to_cpu(ctrl->pels));
obj_add_int(r, "domainid", le16_to_cpu(ctrl->domainid));
obj_add_int(r, "kpioc", ctrl->kpioc);
obj_add_int(r, "mptfawr", le16_to_cpu(ctrl->mptfawr));
obj_add_uint128(r, "megcap", megcap);
obj_add_int(r, "tmpthha", ctrl->tmpthha);
obj_add_int(r, "cqt", le16_to_cpu(ctrl->cqt));
obj_add_int(r, "sqes", ctrl->sqes);
obj_add_int(r, "cqes", ctrl->cqes);
obj_add_int(r, "maxcmd", le16_to_cpu(ctrl->maxcmd));
obj_add_uint(r, "nn", le32_to_cpu(ctrl->nn));
obj_add_int(r, "oncs", le16_to_cpu(ctrl->oncs));
obj_add_int(r, "fuses", le16_to_cpu(ctrl->fuses));
obj_add_int(r, "fna", ctrl->fna);
obj_add_int(r, "vwc", ctrl->vwc);
obj_add_int(r, "awun", le16_to_cpu(ctrl->awun));
obj_add_int(r, "awupf", le16_to_cpu(ctrl->awupf));
obj_add_int(r, "icsvscc", ctrl->icsvscc);
obj_add_int(r, "nwpc", ctrl->nwpc);
obj_add_int(r, "acwu", le16_to_cpu(ctrl->acwu));
obj_add_int(r, "ocfs", le16_to_cpu(ctrl->ocfs));
obj_add_uint(r, "sgls", le32_to_cpu(ctrl->sgls));
obj_add_uint(r, "mnan", le32_to_cpu(ctrl->mnan));
obj_add_uint128(r, "maxdna", maxdna);
obj_add_uint(r, "maxcna", le32_to_cpu(ctrl->maxcna));
obj_add_uint(r, "oaqd", le32_to_cpu(ctrl->oaqd));
obj_add_int(r, "rhiri", ctrl->rhiri);
obj_add_int(r, "hirt", ctrl->hirt);
obj_add_int(r, "cmmrtd", le16_to_cpu(ctrl->cmmrtd));
obj_add_int(r, "nmmrtd", le16_to_cpu(ctrl->nmmrtd));
obj_add_int(r, "minmrtg", ctrl->minmrtg);
obj_add_int(r, "maxmrtg", ctrl->maxmrtg);
obj_add_int(r, "trattr", ctrl->trattr);
obj_add_int(r, "mcudmq", le16_to_cpu(ctrl->mcudmq));
obj_add_int(r, "mnsudmq", le16_to_cpu(ctrl->mnsudmq));
obj_add_int(r, "mcmr", le16_to_cpu(ctrl->mcmr));
obj_add_int(r, "nmcmr", le16_to_cpu(ctrl->nmcmr));
obj_add_int(r, "mcdqpc", le16_to_cpu(ctrl->mcdqpc));
if (strlen(subnqn))
obj_add_str(r, "subnqn", subnqn);
obj_add_uint(r, "ioccsz", le32_to_cpu(ctrl->ioccsz));
obj_add_uint(r, "iorcsz", le32_to_cpu(ctrl->iorcsz));
obj_add_int(r, "icdoff", le16_to_cpu(ctrl->icdoff));
obj_add_int(r, "fcatt", ctrl->fcatt);
obj_add_int(r, "msdbd", ctrl->msdbd);
obj_add_int(r, "ofcs", le16_to_cpu(ctrl->ofcs));
obj_add_array(r, "psds", psds);
for (i = 0; i <= ctrl->npss; i++) {
struct json_object *psd = json_create_object();
obj_add_int(psd, "max_power", le16_to_cpu(ctrl->psd[i].mp));
obj_add_int(psd, "max_power_scale", ctrl->psd[i].flags & NVME_PSD_FLAGS_MXPS);
obj_add_int(psd, "non-operational_state",
!!(ctrl->psd[i].flags & NVME_PSD_FLAGS_NOPS));
obj_add_uint(psd, "entry_lat", le32_to_cpu(ctrl->psd[i].enlat));
obj_add_uint(psd, "exit_lat", le32_to_cpu(ctrl->psd[i].exlat));
obj_add_int(psd, "read_tput", ctrl->psd[i].rrt);
obj_add_int(psd, "read_lat", ctrl->psd[i].rrl);
obj_add_int(psd, "write_tput", ctrl->psd[i].rwt);
obj_add_int(psd, "write_lat", ctrl->psd[i].rwl);
obj_add_int(psd, "idle_power", le16_to_cpu(ctrl->psd[i].idlp));
obj_add_int(psd, "idle_scale", nvme_psd_power_scale(ctrl->psd[i].ips));
obj_add_int(psd, "active_power", le16_to_cpu(ctrl->psd[i].actp));
obj_add_int(psd, "active_power_work", ctrl->psd[i].apws & 7);
obj_add_int(psd, "active_scale", nvme_psd_power_scale(ctrl->psd[i].apws));
obj_add_int(psd, "emerg_power_fail_recover_time", ctrl->psd[i].epfrt);
obj_add_int(psd, "emerg_power_fail_recover_scale", ctrl->psd[i].epfr_fqv_ts & 0xf);
obj_add_int(psd, "force_quiesce_vault_time", ctrl->psd[i].fqvt);
obj_add_int(psd, "force_quiesce_vault_scale", ctrl->psd[i].epfr_fqv_ts >> 4);
obj_add_int(psd, "emerg_power_fail_vault_time", ctrl->psd[i].epfvt);
obj_add_int(psd, "emerg_power_fail_vault_scale", ctrl->psd[i].epfvts & 0xf);
array_add_obj(psds, psd);
}
if (vs)
vs(ctrl->vs, r);
json_print(r);
}
static void json_error_log(struct nvme_error_log_page *err_log, int entries,
const char *devname)
{
struct json_object *r = json_create_object();
struct json_object *errors = json_create_array();
int i;
obj_add_array(r, "errors", errors);
for (i = 0; i < entries; i++) {
struct json_object *error = json_create_object();
obj_add_uint64(error, "error_count", le64_to_cpu(err_log[i].error_count));
obj_add_int(error, "sqid", le16_to_cpu(err_log[i].sqid));
obj_add_int(error, "cmdid", le16_to_cpu(err_log[i].cmdid));
obj_add_int(error, "status_field", le16_to_cpu(err_log[i].status_field) >> 0x1);
obj_add_int(error, "phase_tag", le16_to_cpu(err_log[i].status_field) & 0x1);
obj_add_int(error, "parm_error_location",
le16_to_cpu(err_log[i].parm_error_location));
obj_add_uint64(error, "lba", le64_to_cpu(err_log[i].lba));
obj_add_uint(error, "nsid", le32_to_cpu(err_log[i].nsid));
obj_add_int(error, "vs", err_log[i].vs);
obj_add_int(error, "trtype", err_log[i].trtype);
obj_add_uint64(error, "cs", le64_to_cpu(err_log[i].cs));
obj_add_int(error, "trtype_spec_info", le16_to_cpu(err_log[i].trtype_spec_info));
array_add_obj(errors, error);
}
json_print(r);
}
void json_nvme_resv_report(struct nvme_resv_status *status,
int bytes, bool eds)
{
struct json_object *r = json_create_object();
struct json_object *rcs = json_create_array();
int i, j, entries;
int regctl = status->regctl[0] | (status->regctl[1] << 8);
obj_add_uint(r, "gen", le32_to_cpu(status->gen));
obj_add_int(r, "rtype", status->rtype);
obj_add_int(r, "regctl", regctl);
obj_add_int(r, "ptpls", status->ptpls);
/* check Extended Data Structure bit */
if (!eds) {
/*
* if status buffer was too small, don't loop past the end of
* the buffer
*/
entries = (bytes - 24) / 24;
if (entries < regctl)
regctl = entries;
obj_add_array(r, "regctls", rcs);
for (i = 0; i < regctl; i++) {
struct json_object *rc = json_create_object();
obj_add_int(rc, "cntlid", le16_to_cpu(status->regctl_ds[i].cntlid));
obj_add_int(rc, "rcsts", status->regctl_ds[i].rcsts);
obj_add_uint64(rc, "hostid", le64_to_cpu(status->regctl_ds[i].hostid));
obj_add_uint64(rc, "rkey", le64_to_cpu(status->regctl_ds[i].rkey));
array_add_obj(rcs, rc);
}
} else {
char hostid[33];
/* if status buffer was too small, don't loop past the end of the buffer */
entries = (bytes - 64) / 64;
if (entries < regctl)
regctl = entries;
obj_add_array(r, "regctlext", rcs);
for (i = 0; i < regctl; i++) {
struct json_object *rc = json_create_object();
obj_add_int(rc, "cntlid", le16_to_cpu(status->regctl_eds[i].cntlid));
obj_add_int(rc, "rcsts", status->regctl_eds[i].rcsts);
obj_add_uint64(rc, "rkey", le64_to_cpu(status->regctl_eds[i].rkey));
for (j = 0; j < 16; j++)
sprintf(hostid + j * 2, "%02x", status->regctl_eds[i].hostid[j]);
obj_add_str(rc, "hostid", hostid);
array_add_obj(rcs, rc);
}
}
json_print(r);
}
void json_fw_log(struct nvme_firmware_slot *fw_log, const char *devname)
{
struct json_object *r = json_create_object();
struct json_object *fwsi = json_create_object();
char fmt[21];
char str[32];
int i;
__le64 *frs;
obj_add_int(fwsi, "Active Firmware Slot (afi)", fw_log->afi);
for (i = 0; i < 7; i++) {
if (fw_log->frs[i][0]) {
snprintf(fmt, sizeof(fmt), "Firmware Rev Slot %d",
i + 1);
frs = (__le64 *)&fw_log->frs[i];
snprintf(str, sizeof(str), "%"PRIu64" (%s)",
le64_to_cpu(*frs),
util_fw_to_string(fw_log->frs[i]));
obj_add_str(fwsi, fmt, str);
}
}
obj_add_obj(r, devname, fwsi);
json_print(r);
}
void json_changed_ns_list_log(struct nvme_ns_list *log, const char *devname, bool alloc)
{
struct json_object *r = json_create_object();
struct json_object *nsi = json_create_object();
char fmt[32];
char str[32];
__u32 nsid;
int i;
_cleanup_free_ char *k = NULL;
if (log->ns[0] == cpu_to_le32(0xffffffff))
return;
if (asprintf(&k, "Changed %s Namespace List Log", alloc ? "Allocated" : "Attached") > 0)
obj_add_str(r, k, devname);
for (i = 0; i < NVME_ID_NS_LIST_MAX; i++) {
nsid = le32_to_cpu(log->ns[i]);
if (nsid == 0)
break;
snprintf(fmt, sizeof(fmt), "[%4u]", i + 1);
snprintf(str, sizeof(str), "%#x", nsid);
obj_add_str(nsi, fmt, str);
}
obj_add_obj(r, devname, nsi);
json_print(r);
}
static void json_endurance_log(struct nvme_endurance_group_log *endurance_group, __u16 group_id,
const char *devname)
{
struct json_object *r = json_create_object();
nvme_uint128_t endurance_estimate = le128_to_cpu(endurance_group->endurance_estimate);
nvme_uint128_t data_units_read = le128_to_cpu(endurance_group->data_units_read);
nvme_uint128_t data_units_written = le128_to_cpu(endurance_group->data_units_written);
nvme_uint128_t media_units_written = le128_to_cpu(endurance_group->media_units_written);
nvme_uint128_t host_read_cmds = le128_to_cpu(endurance_group->host_read_cmds);
nvme_uint128_t host_write_cmds = le128_to_cpu(endurance_group->host_write_cmds);
nvme_uint128_t media_data_integrity_err =
le128_to_cpu(endurance_group->media_data_integrity_err);
nvme_uint128_t num_err_info_log_entries =
le128_to_cpu(endurance_group->num_err_info_log_entries);
nvme_uint128_t total_end_grp_cap = le128_to_cpu(endurance_group->total_end_grp_cap);
nvme_uint128_t unalloc_end_grp_cap = le128_to_cpu(endurance_group->unalloc_end_grp_cap);
obj_add_int(r, "critical_warning", endurance_group->critical_warning);
obj_add_int(r, "endurance_group_features", endurance_group->endurance_group_features);
obj_add_int(r, "avl_spare", endurance_group->avl_spare);
obj_add_int(r, "avl_spare_threshold", endurance_group->avl_spare_threshold);
obj_add_int(r, "percent_used", endurance_group->percent_used);
obj_add_int(r, "domain_identifier", endurance_group->domain_identifier);
obj_add_uint128(r, "endurance_estimate", endurance_estimate);
obj_add_uint128(r, "data_units_read", data_units_read);
obj_add_uint128(r, "data_units_written", data_units_written);
obj_add_uint128(r, "media_units_written", media_units_written);
obj_add_uint128(r, "host_read_cmds", host_read_cmds);
obj_add_uint128(r, "host_write_cmds", host_write_cmds);
obj_add_uint128(r, "media_data_integrity_err", media_data_integrity_err);
obj_add_uint128(r, "num_err_info_log_entries", num_err_info_log_entries);
obj_add_uint128(r, "total_end_grp_cap", total_end_grp_cap);
obj_add_uint128(r, "unalloc_end_grp_cap", unalloc_end_grp_cap);
json_print(r);
}
static void json_smart_log(struct nvme_smart_log *smart, unsigned int nsid,
const char *devname)
{
struct json_object *r = json_create_object();
int c;
char key[21];
unsigned int temperature = ((smart->temperature[1] << 8) |
smart->temperature[0]);
nvme_uint128_t data_units_read = le128_to_cpu(smart->data_units_read);
nvme_uint128_t data_units_written = le128_to_cpu(smart->data_units_written);
nvme_uint128_t host_read_commands = le128_to_cpu(smart->host_reads);
nvme_uint128_t host_write_commands = le128_to_cpu(smart->host_writes);
nvme_uint128_t controller_busy_time = le128_to_cpu(smart->ctrl_busy_time);
nvme_uint128_t power_cycles = le128_to_cpu(smart->power_cycles);
nvme_uint128_t power_on_hours = le128_to_cpu(smart->power_on_hours);
nvme_uint128_t unsafe_shutdowns = le128_to_cpu(smart->unsafe_shutdowns);
nvme_uint128_t media_errors = le128_to_cpu(smart->media_errors);
nvme_uint128_t num_err_log_entries = le128_to_cpu(smart->num_err_log_entries);
struct json_object *crt = json_create_object();
obj_add_int(crt, "value", smart->critical_warning);
obj_add_int(crt, "available_spare", smart->critical_warning & 1);
obj_add_int(crt, "temp_threshold", (smart->critical_warning & 2) >> 1);
obj_add_int(crt, "reliability_degraded", (smart->critical_warning & 4) >> 2);
obj_add_int(crt, "ro", (smart->critical_warning & 8) >> 3);
obj_add_int(crt, "vmbu_failed", (smart->critical_warning & 0x10) >> 4);
obj_add_int(crt, "pmr_ro", (smart->critical_warning & 0x20) >> 5);
obj_add_obj(r, "critical_warning", crt);
obj_add_int(r, "temperature", temperature);
obj_add_int(r, "avail_spare", smart->avail_spare);
obj_add_int(r, "spare_thresh", smart->spare_thresh);
obj_add_int(r, "percent_used", smart->percent_used);
obj_add_int(r, "endurance_grp_critical_warning_summary", smart->endu_grp_crit_warn_sumry);
obj_add_uint128(r, "data_units_read", data_units_read);
obj_add_uint128(r, "data_units_written", data_units_written);
obj_add_uint128(r, "host_read_commands", host_read_commands);
obj_add_uint128(r, "host_write_commands", host_write_commands);
obj_add_uint128(r, "controller_busy_time", controller_busy_time);
obj_add_uint128(r, "power_cycles", power_cycles);
obj_add_uint128(r, "power_on_hours", power_on_hours);
obj_add_uint128(r, "unsafe_shutdowns", unsafe_shutdowns);
obj_add_uint128(r, "media_errors", media_errors);
obj_add_uint128(r, "num_err_log_entries", num_err_log_entries);
obj_add_uint(r, "warning_temp_time", le32_to_cpu(smart->warning_temp_time));
obj_add_uint(r, "critical_comp_time", le32_to_cpu(smart->critical_comp_time));
for (c = 0; c < 8; c++) {
__s32 temp = le16_to_cpu(smart->temp_sensor[c]);
if (temp == 0)
continue;
sprintf(key, "temperature_sensor_%d", c + 1);
obj_add_int(r, key, temp);
}
obj_add_uint(r, "thm_temp1_trans_count", le32_to_cpu(smart->thm_temp1_trans_count));
obj_add_uint(r, "thm_temp2_trans_count", le32_to_cpu(smart->thm_temp2_trans_count));
obj_add_uint(r, "thm_temp1_total_time", le32_to_cpu(smart->thm_temp1_total_time));
obj_add_uint(r, "thm_temp2_total_time", le32_to_cpu(smart->thm_temp2_total_time));
json_print(r);
}
static void json_ana_log(struct nvme_ana_log *ana_log, const char *devname,
size_t len)
{
int offset = sizeof(struct nvme_ana_log);
struct nvme_ana_log *hdr = ana_log;
struct nvme_ana_group_desc *ana_desc;
struct json_object *desc_list = json_create_array();
struct json_object *ns_list;
struct json_object *desc;
struct json_object *nsid;
struct json_object *r = json_create_object();
size_t nsid_buf_size;
void *base = ana_log;
__u32 nr_nsids;
int i, j;
obj_add_str(r, "Asymmetric Namespace Access Log for NVMe device", devname);
obj_add_uint64(r, "chgcnt", le64_to_cpu(hdr->chgcnt));
obj_add_uint(r, "ngrps", le16_to_cpu(hdr->ngrps));
for (i = 0; i < le16_to_cpu(ana_log->ngrps); i++) {
desc = json_create_object();
ana_desc = base + offset;
nr_nsids = le32_to_cpu(ana_desc->nnsids);
nsid_buf_size = nr_nsids * sizeof(__le32);
offset += sizeof(*ana_desc);
obj_add_uint(desc, "grpid", le32_to_cpu(ana_desc->grpid));
obj_add_uint(desc, "nnsids", le32_to_cpu(ana_desc->nnsids));
obj_add_uint64(desc, "chgcnt", le64_to_cpu(ana_desc->chgcnt));
obj_add_str(desc, "state", nvme_ana_state_to_string(ana_desc->state));
ns_list = json_create_array();
for (j = 0; j < le32_to_cpu(ana_desc->nnsids); j++) {
nsid = json_create_object();
obj_add_uint(nsid, "nsid", le32_to_cpu(ana_desc->nsids[j]));
array_add_obj(ns_list, nsid);
}
obj_add_array(desc, "NSIDS", ns_list);
offset += nsid_buf_size;
array_add_obj(desc_list, desc);
}
obj_add_array(r, "ANA DESC LIST ", desc_list);
json_print(r);
}
static void json_select_result(enum nvme_features_id fid, __u32 result)
{
struct json_object *r = json_r ? json_r : json_create_object();
char json_str[STR_LEN];
struct json_object *feature = json_create_array();
if (result & 0x1)
array_add_str(feature, "saveable");
if (result & 0x2)
array_add_str(feature, "per-namespace");
if (result & 0x4)
array_add_str(feature, "changeable");
sprintf(json_str, "Feature: %#0*x: select", fid ? 4 : 2, fid);
obj_add_array(r, json_str, feature);
obj_print(r);
}
static void json_self_test_log(struct nvme_self_test_log *self_test, __u8 dst_entries,
__u32 size, const char *devname)
{
struct json_object *valid_attrs;
struct json_object *r = json_create_object();
struct json_object *valid = json_create_array();
int i;
__u32 num_entries = min(dst_entries, NVME_LOG_ST_MAX_RESULTS);
obj_add_int(r, "Current Device Self-Test Operation", self_test->current_operation);
obj_add_int(r, "Current Device Self-Test Completion", self_test->completion);
for (i = 0; i < num_entries; i++) {
valid_attrs = json_create_object();
obj_add_int(valid_attrs, "Self test result", self_test->result[i].dsts & 0xf);
if ((self_test->result[i].dsts & 0xf) == 0xf)
goto add;
obj_add_int(valid_attrs, "Self test code",
self_test->result[i].dsts >> 4);
obj_add_int(valid_attrs, "Segment number",
self_test->result[i].seg);
obj_add_int(valid_attrs, "Valid Diagnostic Information",
self_test->result[i].vdi);
obj_add_uint64(valid_attrs, "Power on hours",
le64_to_cpu(self_test->result[i].poh));
if (self_test->result[i].vdi & NVME_ST_VALID_DIAG_INFO_NSID)
obj_add_uint(valid_attrs, "Namespace Identifier",
le32_to_cpu(self_test->result[i].nsid));
if (self_test->result[i].vdi & NVME_ST_VALID_DIAG_INFO_FLBA)
obj_add_uint64(valid_attrs, "Failing LBA",
le64_to_cpu(self_test->result[i].flba));
if (self_test->result[i].vdi & NVME_ST_VALID_DIAG_INFO_SCT)
obj_add_int(valid_attrs, "Status Code Type", self_test->result[i].sct);
if (self_test->result[i].vdi & NVME_ST_VALID_DIAG_INFO_SC)
obj_add_int(valid_attrs, "Status Code", self_test->result[i].sc);
obj_add_int(valid_attrs, "Vendor Specific",
self_test->result[i].vs[1] << 8 | self_test->result[i].vs[0]);
add:
array_add_obj(valid, valid_attrs);
}
obj_add_array(r, "List of Valid Reports", valid);
json_print(r);
}
static void json_registers_cap(struct nvme_bar_cap *cap, struct json_object *r)
{
char json_str[STR_LEN];
struct json_object *cssa = json_create_array();
struct json_object *csso = json_create_object();
struct json_object *amsa = json_create_array();
struct json_object *amso = json_create_object();
sprintf(json_str, "%"PRIx64"", *(uint64_t *)cap);
obj_add_str(r, "cap", json_str);
obj_add_str(r, "NVM Subsystem Shutdown Enhancements Supported (NSSES)",
cap->nsses ? "Supported" : "Not supported");
obj_add_str(r, "Controller Ready With Media Support (CRWMS)",
cap->crwms ? "Supported" : "Not supported");
obj_add_str(r, "Controller Ready Independent of Media Support (CRIMS)",
cap->crims ? "Supported" : "Not supported");
obj_add_str(r, "NVM Subsystem Shutdown Supported (NSSS)",
cap->nsss ? "Supported" : "Not supported");
obj_add_str(r, "Controller Memory Buffer Supported (CMBS):",
cap->cmbs ? "Supported" : "Not supported");
obj_add_str(r, "Persistent Memory Region Supported (PMRS)",
cap->pmrs ? "Supported" : "Not supported");
sprintf(json_str, "%u bytes", 1 << (12 + cap->mpsmax));
obj_add_str(r, "Memory Page Size Maximum (MPSMAX)", json_str);
sprintf(json_str, "%u bytes", 1 << (12 + cap->mpsmin));
obj_add_str(r, "Memory Page Size Minimum (MPSMIN)", json_str);
obj_add_str(r, "Controller Power Scope (CPS)", !cap->cps ? "Not Reported" : cap->cps == 1 ?
"Controller scope" : cap->cps == 2 ? "Domain scope" : "NVM subsystem scope");
obj_add_str(r, "Boot Partition Support (BPS)", cap->bps ? "Yes" : "No");
obj_add_array(r, "Command Sets Supported (CSS)", cssa);
obj_add_str(csso, "NVM command set", cap->css & 1 ? "Supported" : "Not supported");
obj_add_str(csso, "One or more I/O Command Sets",
cap->css & 0x40 ? "Supported" : "Not supported");
obj_add_str(csso, cap->css & 0x80 ? "Only Admin Command Set" : "I/O Command Set",
"Supported");
array_add_obj(cssa, csso);
obj_add_str(r, "NVM Subsystem Reset Supported (NSSRS)", cap->nssrs ? "Yes" : "No");
sprintf(json_str, "%u bytes", 1 << (2 + cap->dstrd));
obj_add_str(r, "Doorbell Stride (DSTRD)", json_str);
sprintf(json_str, "%u ms", MS500_TO_MS(cap->to));
obj_add_str(r, "Timeout (TO)", json_str);
obj_add_array(r, "Arbitration Mechanism Supported (AMS)", amsa);
obj_add_str(amso, "Weighted Round Robin with Urgent Priority Class",
cap->ams & 2 ? "Supported" : "Not supported");
array_add_obj(amsa, amso);
obj_add_str(r, "Contiguous Queues Required (CQR)", cap->cqr ? "Yes" : "No");
obj_add_uint(r, "Maximum Queue Entries Supported (MQES)", cap->mqes + 1);
}
static void json_registers_version(__u32 vs, struct json_object *r)
{
char json_str[STR_LEN];
sprintf(json_str, "%x", vs);
obj_add_str(r, "Version", json_str);
sprintf(json_str, "%d.%d.%d", NVME_MAJOR(vs), NVME_MINOR(vs), NVME_TERTIARY(vs));
obj_add_str(r, "NVMe specification", json_str);
}
static void json_registers_intms(__u32 intms, struct json_object *r)
{
obj_add_uint_x(r, "intms", intms);
obj_add_uint_x(r, "Interrupt Vector Mask Set (IVMS)", intms);
}
static void json_registers_intmc(__u32 intmc, struct json_object *r)
{
obj_add_uint_x(r, "intmc", intmc);
obj_add_uint_x(r, "Interrupt Vector Mask Set (IVMC)", intmc);
}
static void json_registers_cc_ams(__u8 ams, struct json_object *r)
{
char json_str[STR_LEN];
switch (ams) {
case NVME_CC_AMS_RR:
sprintf(json_str, "Round Robin");
break;
case NVME_CC_AMS_WRRU:
sprintf(json_str, "Weighted Round Robin with Urgent Priority Class");
break;
case NVME_CC_AMS_VS:
sprintf(json_str, "Vendor Specific");
break;
default:
sprintf(json_str, "%s", "Reserved");
break;
}
obj_add_str(r, "Arbitration Mechanism Selected (AMS)", json_str);
}
static void json_registers_cc_shn(__u8 shn, struct json_object *r)
{
char json_str[STR_LEN];
switch (shn) {
case NVME_CC_SHN_NONE:
sprintf(json_str, "No notification; no effect");
break;
case NVME_CC_SHN_NORMAL:
sprintf(json_str, "Normal shutdown notification");
break;
case NVME_CC_SHN_ABRUPT:
sprintf(json_str, "Abrupt shutdown notification");
break;
default:
sprintf(json_str, "%s", "Reserved");
break;
}
obj_add_str(r, "Shutdown Notification (SHN)", json_str);
}
static void json_registers_cc(__u32 cc, struct json_object *r)
{
char json_str[STR_LEN];
sprintf(json_str, "%x", cc);
obj_add_str(r, "cc", json_str);
obj_add_str(r, "Controller Ready Independent of Media Enable (CRIME)",
NVME_CC_CRIME(cc) ? "Enabled" : "Disabled");
sprintf(json_str, "%u bytes", POWER_OF_TWO(NVME_CC_IOCQES(cc)));
obj_add_str(r, "I/O Completion Queue Entry Size (IOCQES): ", json_str);
sprintf(json_str, "%u bytes", POWER_OF_TWO(NVME_CC_IOSQES(cc)));
obj_add_str(r, "I/O Submission Queue Entry Size (IOSQES)", json_str);
json_registers_cc_shn(NVME_CC_SHN(cc), r);
json_registers_cc_ams(NVME_CC_AMS(cc), r);
sprintf(json_str, "%u bytes", POWER_OF_TWO(12 + NVME_CC_MPS(cc)));
obj_add_str(r, "Memory Page Size (MPS)", json_str);
obj_add_str(r, "I/O Command Set Selected (CSS)",
NVME_CC_CSS(cc) == NVME_CC_CSS_NVM ? "NVM Command Set" :
NVME_CC_CSS(cc) == NVME_CC_CSS_CSI ? "All supported I/O Command Sets" :
NVME_CC_CSS(cc) == NVME_CC_CSS_ADMIN ? "Admin Command Set only" : "Reserved");