688 lines
20 KiB
C
688 lines
20 KiB
C
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/*
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* QEMU NVM Express Virtual Namespace
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*
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* Copyright (c) 2019 CNEX Labs
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* Copyright (c) 2020 Samsung Electronics
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*
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* Authors:
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* Klaus Jensen <k.jensen@samsung.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See the
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* COPYING file in the top-level directory.
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*
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*/
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#include "qemu/osdep.h"
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#include "qemu/units.h"
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#include "qemu/error-report.h"
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#include "qapi/error.h"
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#include "sysemu/sysemu.h"
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#include "sysemu/block-backend.h"
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#include "nvme.h"
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#include "trace.h"
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#define MIN_DISCARD_GRANULARITY (4 * KiB)
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#define NVME_DEFAULT_ZONE_SIZE (128 * MiB)
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void nvme_ns_init_format(NvmeNamespace *ns)
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{
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NvmeIdNs *id_ns = &ns->id_ns;
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BlockDriverInfo bdi;
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int npdg, ret;
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int64_t nlbas;
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ns->lbaf = id_ns->lbaf[NVME_ID_NS_FLBAS_INDEX(id_ns->flbas)];
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ns->lbasz = 1 << ns->lbaf.ds;
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nlbas = ns->size / (ns->lbasz + ns->lbaf.ms);
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id_ns->nsze = cpu_to_le64(nlbas);
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/* no thin provisioning */
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id_ns->ncap = id_ns->nsze;
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id_ns->nuse = id_ns->ncap;
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ns->moff = nlbas << ns->lbaf.ds;
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npdg = ns->blkconf.discard_granularity / ns->lbasz;
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ret = bdrv_get_info(blk_bs(ns->blkconf.blk), &bdi);
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if (ret >= 0 && bdi.cluster_size > ns->blkconf.discard_granularity) {
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npdg = bdi.cluster_size / ns->lbasz;
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}
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id_ns->npda = id_ns->npdg = npdg - 1;
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}
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static int nvme_ns_init(NvmeNamespace *ns, Error **errp)
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{
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static uint64_t ns_count;
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NvmeIdNs *id_ns = &ns->id_ns;
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NvmeIdNsNvm *id_ns_nvm = &ns->id_ns_nvm;
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uint8_t ds;
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uint16_t ms;
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int i;
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ns->csi = NVME_CSI_NVM;
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ns->status = 0x0;
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ns->id_ns.dlfeat = 0x1;
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/* support DULBE and I/O optimization fields */
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id_ns->nsfeat |= (0x4 | 0x10);
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if (ns->params.shared) {
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id_ns->nmic |= NVME_NMIC_NS_SHARED;
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}
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/* Substitute a missing EUI-64 by an autogenerated one */
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++ns_count;
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if (!ns->params.eui64 && ns->params.eui64_default) {
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ns->params.eui64 = ns_count + NVME_EUI64_DEFAULT;
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}
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/* simple copy */
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id_ns->mssrl = cpu_to_le16(ns->params.mssrl);
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id_ns->mcl = cpu_to_le32(ns->params.mcl);
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id_ns->msrc = ns->params.msrc;
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id_ns->eui64 = cpu_to_be64(ns->params.eui64);
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ds = 31 - clz32(ns->blkconf.logical_block_size);
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ms = ns->params.ms;
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id_ns->mc = NVME_ID_NS_MC_EXTENDED | NVME_ID_NS_MC_SEPARATE;
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if (ms && ns->params.mset) {
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id_ns->flbas |= NVME_ID_NS_FLBAS_EXTENDED;
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}
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id_ns->dpc = 0x1f;
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id_ns->dps = ns->params.pi;
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if (ns->params.pi && ns->params.pil) {
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id_ns->dps |= NVME_ID_NS_DPS_FIRST_EIGHT;
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}
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ns->pif = ns->params.pif;
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static const NvmeLBAF lbaf[16] = {
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[0] = { .ds = 9 },
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[1] = { .ds = 9, .ms = 8 },
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[2] = { .ds = 9, .ms = 16 },
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[3] = { .ds = 9, .ms = 64 },
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[4] = { .ds = 12 },
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[5] = { .ds = 12, .ms = 8 },
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[6] = { .ds = 12, .ms = 16 },
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[7] = { .ds = 12, .ms = 64 },
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};
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ns->nlbaf = 8;
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memcpy(&id_ns->lbaf, &lbaf, sizeof(lbaf));
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for (i = 0; i < ns->nlbaf; i++) {
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NvmeLBAF *lbaf = &id_ns->lbaf[i];
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if (lbaf->ds == ds) {
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if (lbaf->ms == ms) {
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id_ns->flbas |= i;
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goto lbaf_found;
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}
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}
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}
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/* add non-standard lba format */
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id_ns->lbaf[ns->nlbaf].ds = ds;
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id_ns->lbaf[ns->nlbaf].ms = ms;
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ns->nlbaf++;
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id_ns->flbas |= i;
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lbaf_found:
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id_ns_nvm->elbaf[i] = (ns->pif & 0x3) << 7;
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id_ns->nlbaf = ns->nlbaf - 1;
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nvme_ns_init_format(ns);
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return 0;
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}
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static int nvme_ns_init_blk(NvmeNamespace *ns, Error **errp)
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{
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bool read_only;
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if (!blkconf_blocksizes(&ns->blkconf, errp)) {
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return -1;
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}
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read_only = !blk_supports_write_perm(ns->blkconf.blk);
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if (!blkconf_apply_backend_options(&ns->blkconf, read_only, false, errp)) {
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return -1;
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}
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if (ns->blkconf.discard_granularity == -1) {
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ns->blkconf.discard_granularity =
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MAX(ns->blkconf.logical_block_size, MIN_DISCARD_GRANULARITY);
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}
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ns->size = blk_getlength(ns->blkconf.blk);
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if (ns->size < 0) {
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error_setg_errno(errp, -ns->size, "could not get blockdev size");
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return -1;
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}
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return 0;
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}
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static int nvme_ns_zoned_check_calc_geometry(NvmeNamespace *ns, Error **errp)
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{
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uint64_t zone_size, zone_cap;
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/* Make sure that the values of ZNS properties are sane */
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if (ns->params.zone_size_bs) {
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zone_size = ns->params.zone_size_bs;
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} else {
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zone_size = NVME_DEFAULT_ZONE_SIZE;
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}
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if (ns->params.zone_cap_bs) {
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zone_cap = ns->params.zone_cap_bs;
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} else {
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zone_cap = zone_size;
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}
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if (zone_cap > zone_size) {
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error_setg(errp, "zone capacity %"PRIu64"B exceeds "
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"zone size %"PRIu64"B", zone_cap, zone_size);
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return -1;
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}
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if (zone_size < ns->lbasz) {
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error_setg(errp, "zone size %"PRIu64"B too small, "
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"must be at least %zuB", zone_size, ns->lbasz);
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return -1;
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}
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if (zone_cap < ns->lbasz) {
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error_setg(errp, "zone capacity %"PRIu64"B too small, "
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"must be at least %zuB", zone_cap, ns->lbasz);
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return -1;
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}
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/*
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* Save the main zone geometry values to avoid
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* calculating them later again.
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*/
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ns->zone_size = zone_size / ns->lbasz;
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ns->zone_capacity = zone_cap / ns->lbasz;
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ns->num_zones = le64_to_cpu(ns->id_ns.nsze) / ns->zone_size;
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/* Do a few more sanity checks of ZNS properties */
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if (!ns->num_zones) {
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error_setg(errp,
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"insufficient drive capacity, must be at least the size "
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"of one zone (%"PRIu64"B)", zone_size);
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return -1;
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}
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return 0;
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}
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static void nvme_ns_zoned_init_state(NvmeNamespace *ns)
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{
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uint64_t start = 0, zone_size = ns->zone_size;
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uint64_t capacity = ns->num_zones * zone_size;
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NvmeZone *zone;
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int i;
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ns->zone_array = g_new0(NvmeZone, ns->num_zones);
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if (ns->params.zd_extension_size) {
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ns->zd_extensions = g_malloc0(ns->params.zd_extension_size *
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ns->num_zones);
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}
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QTAILQ_INIT(&ns->exp_open_zones);
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QTAILQ_INIT(&ns->imp_open_zones);
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QTAILQ_INIT(&ns->closed_zones);
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QTAILQ_INIT(&ns->full_zones);
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zone = ns->zone_array;
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for (i = 0; i < ns->num_zones; i++, zone++) {
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if (start + zone_size > capacity) {
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zone_size = capacity - start;
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}
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zone->d.zt = NVME_ZONE_TYPE_SEQ_WRITE;
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nvme_set_zone_state(zone, NVME_ZONE_STATE_EMPTY);
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zone->d.za = 0;
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zone->d.zcap = ns->zone_capacity;
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zone->d.zslba = start;
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zone->d.wp = start;
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zone->w_ptr = start;
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start += zone_size;
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}
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ns->zone_size_log2 = 0;
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if (is_power_of_2(ns->zone_size)) {
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ns->zone_size_log2 = 63 - clz64(ns->zone_size);
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}
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}
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static void nvme_ns_init_zoned(NvmeNamespace *ns)
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{
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NvmeIdNsZoned *id_ns_z;
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int i;
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nvme_ns_zoned_init_state(ns);
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id_ns_z = g_new0(NvmeIdNsZoned, 1);
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/* MAR/MOR are zeroes-based, FFFFFFFFFh means no limit */
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id_ns_z->mar = cpu_to_le32(ns->params.max_active_zones - 1);
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id_ns_z->mor = cpu_to_le32(ns->params.max_open_zones - 1);
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id_ns_z->zoc = 0;
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id_ns_z->ozcs = ns->params.cross_zone_read ?
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NVME_ID_NS_ZONED_OZCS_RAZB : 0x00;
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for (i = 0; i <= ns->id_ns.nlbaf; i++) {
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id_ns_z->lbafe[i].zsze = cpu_to_le64(ns->zone_size);
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id_ns_z->lbafe[i].zdes =
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ns->params.zd_extension_size >> 6; /* Units of 64B */
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}
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if (ns->params.zrwas) {
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ns->zns.numzrwa = ns->params.numzrwa ?
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ns->params.numzrwa : ns->num_zones;
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ns->zns.zrwas = ns->params.zrwas >> ns->lbaf.ds;
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ns->zns.zrwafg = ns->params.zrwafg >> ns->lbaf.ds;
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id_ns_z->ozcs |= NVME_ID_NS_ZONED_OZCS_ZRWASUP;
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id_ns_z->zrwacap = NVME_ID_NS_ZONED_ZRWACAP_EXPFLUSHSUP;
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id_ns_z->numzrwa = cpu_to_le32(ns->params.numzrwa);
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id_ns_z->zrwas = cpu_to_le16(ns->zns.zrwas);
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id_ns_z->zrwafg = cpu_to_le16(ns->zns.zrwafg);
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}
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id_ns_z->ozcs = cpu_to_le16(id_ns_z->ozcs);
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ns->csi = NVME_CSI_ZONED;
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ns->id_ns.nsze = cpu_to_le64(ns->num_zones * ns->zone_size);
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ns->id_ns.ncap = ns->id_ns.nsze;
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ns->id_ns.nuse = ns->id_ns.ncap;
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/*
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* The device uses the BDRV_BLOCK_ZERO flag to determine the "deallocated"
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* status of logical blocks. Since the spec defines that logical blocks
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* SHALL be deallocated when then zone is in the Empty or Offline states,
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* we can only support DULBE if the zone size is a multiple of the
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* calculated NPDG.
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*/
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if (ns->zone_size % (ns->id_ns.npdg + 1)) {
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warn_report("the zone size (%"PRIu64" blocks) is not a multiple of "
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"the calculated deallocation granularity (%d blocks); "
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"DULBE support disabled",
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ns->zone_size, ns->id_ns.npdg + 1);
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ns->id_ns.nsfeat &= ~0x4;
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}
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ns->id_ns_zoned = id_ns_z;
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}
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static void nvme_clear_zone(NvmeNamespace *ns, NvmeZone *zone)
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{
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uint8_t state;
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zone->w_ptr = zone->d.wp;
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state = nvme_get_zone_state(zone);
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if (zone->d.wp != zone->d.zslba ||
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(zone->d.za & NVME_ZA_ZD_EXT_VALID)) {
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if (state != NVME_ZONE_STATE_CLOSED) {
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trace_pci_nvme_clear_ns_close(state, zone->d.zslba);
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nvme_set_zone_state(zone, NVME_ZONE_STATE_CLOSED);
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}
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nvme_aor_inc_active(ns);
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QTAILQ_INSERT_HEAD(&ns->closed_zones, zone, entry);
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} else {
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trace_pci_nvme_clear_ns_reset(state, zone->d.zslba);
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if (zone->d.za & NVME_ZA_ZRWA_VALID) {
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zone->d.za &= ~NVME_ZA_ZRWA_VALID;
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||
|
|
ns->zns.numzrwa++;
|
||
|
|
}
|
||
|
|
nvme_set_zone_state(zone, NVME_ZONE_STATE_EMPTY);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Close all the zones that are currently open.
|
||
|
|
*/
|
||
|
|
static void nvme_zoned_ns_shutdown(NvmeNamespace *ns)
|
||
|
|
{
|
||
|
|
NvmeZone *zone, *next;
|
||
|
|
|
||
|
|
QTAILQ_FOREACH_SAFE(zone, &ns->closed_zones, entry, next) {
|
||
|
|
QTAILQ_REMOVE(&ns->closed_zones, zone, entry);
|
||
|
|
nvme_aor_dec_active(ns);
|
||
|
|
nvme_clear_zone(ns, zone);
|
||
|
|
}
|
||
|
|
QTAILQ_FOREACH_SAFE(zone, &ns->imp_open_zones, entry, next) {
|
||
|
|
QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry);
|
||
|
|
nvme_aor_dec_open(ns);
|
||
|
|
nvme_aor_dec_active(ns);
|
||
|
|
nvme_clear_zone(ns, zone);
|
||
|
|
}
|
||
|
|
QTAILQ_FOREACH_SAFE(zone, &ns->exp_open_zones, entry, next) {
|
||
|
|
QTAILQ_REMOVE(&ns->exp_open_zones, zone, entry);
|
||
|
|
nvme_aor_dec_open(ns);
|
||
|
|
nvme_aor_dec_active(ns);
|
||
|
|
nvme_clear_zone(ns, zone);
|
||
|
|
}
|
||
|
|
|
||
|
|
assert(ns->nr_open_zones == 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int nvme_ns_check_constraints(NvmeNamespace *ns, Error **errp)
|
||
|
|
{
|
||
|
|
unsigned int pi_size;
|
||
|
|
|
||
|
|
if (!ns->blkconf.blk) {
|
||
|
|
error_setg(errp, "block backend not configured");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ns->params.pi) {
|
||
|
|
if (ns->params.pi > NVME_ID_NS_DPS_TYPE_3) {
|
||
|
|
error_setg(errp, "invalid 'pi' value");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (ns->params.pif) {
|
||
|
|
case NVME_PI_GUARD_16:
|
||
|
|
pi_size = 8;
|
||
|
|
break;
|
||
|
|
case NVME_PI_GUARD_64:
|
||
|
|
pi_size = 16;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
error_setg(errp, "invalid 'pif'");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ns->params.ms < pi_size) {
|
||
|
|
error_setg(errp, "at least %u bytes of metadata required to "
|
||
|
|
"enable protection information", pi_size);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ns->params.nsid > NVME_MAX_NAMESPACES) {
|
||
|
|
error_setg(errp, "invalid namespace id (must be between 0 and %d)",
|
||
|
|
NVME_MAX_NAMESPACES);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ns->params.zoned) {
|
||
|
|
if (ns->params.max_active_zones) {
|
||
|
|
if (ns->params.max_open_zones > ns->params.max_active_zones) {
|
||
|
|
error_setg(errp, "max_open_zones (%u) exceeds "
|
||
|
|
"max_active_zones (%u)", ns->params.max_open_zones,
|
||
|
|
ns->params.max_active_zones);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!ns->params.max_open_zones) {
|
||
|
|
ns->params.max_open_zones = ns->params.max_active_zones;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ns->params.zd_extension_size) {
|
||
|
|
if (ns->params.zd_extension_size & 0x3f) {
|
||
|
|
error_setg(errp, "zone descriptor extension size must be a "
|
||
|
|
"multiple of 64B");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
if ((ns->params.zd_extension_size >> 6) > 0xff) {
|
||
|
|
error_setg(errp,
|
||
|
|
"zone descriptor extension size is too large");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ns->params.zrwas) {
|
||
|
|
if (ns->params.zrwas % ns->blkconf.logical_block_size) {
|
||
|
|
error_setg(errp, "zone random write area size (zoned.zrwas "
|
||
|
|
"%"PRIu64") must be a multiple of the logical "
|
||
|
|
"block size (logical_block_size %"PRIu32")",
|
||
|
|
ns->params.zrwas, ns->blkconf.logical_block_size);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ns->params.zrwafg == -1) {
|
||
|
|
ns->params.zrwafg = ns->blkconf.logical_block_size;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ns->params.zrwas % ns->params.zrwafg) {
|
||
|
|
error_setg(errp, "zone random write area size (zoned.zrwas "
|
||
|
|
"%"PRIu64") must be a multiple of the zone random "
|
||
|
|
"write area flush granularity (zoned.zrwafg, "
|
||
|
|
"%"PRIu64")", ns->params.zrwas, ns->params.zrwafg);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ns->params.max_active_zones) {
|
||
|
|
if (ns->params.numzrwa > ns->params.max_active_zones) {
|
||
|
|
error_setg(errp, "number of zone random write area "
|
||
|
|
"resources (zoned.numzrwa, %d) must be less "
|
||
|
|
"than or equal to maximum active resources "
|
||
|
|
"(zoned.max_active_zones, %d)",
|
||
|
|
ns->params.numzrwa,
|
||
|
|
ns->params.max_active_zones);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int nvme_ns_setup(NvmeNamespace *ns, Error **errp)
|
||
|
|
{
|
||
|
|
if (nvme_ns_check_constraints(ns, errp)) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (nvme_ns_init_blk(ns, errp)) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (nvme_ns_init(ns, errp)) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
if (ns->params.zoned) {
|
||
|
|
if (nvme_ns_zoned_check_calc_geometry(ns, errp) != 0) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
nvme_ns_init_zoned(ns);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void nvme_ns_drain(NvmeNamespace *ns)
|
||
|
|
{
|
||
|
|
blk_drain(ns->blkconf.blk);
|
||
|
|
}
|
||
|
|
|
||
|
|
void nvme_ns_shutdown(NvmeNamespace *ns)
|
||
|
|
{
|
||
|
|
blk_flush(ns->blkconf.blk);
|
||
|
|
if (ns->params.zoned) {
|
||
|
|
nvme_zoned_ns_shutdown(ns);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void nvme_ns_cleanup(NvmeNamespace *ns)
|
||
|
|
{
|
||
|
|
if (ns->params.zoned) {
|
||
|
|
g_free(ns->id_ns_zoned);
|
||
|
|
g_free(ns->zone_array);
|
||
|
|
g_free(ns->zd_extensions);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void nvme_ns_unrealize(DeviceState *dev)
|
||
|
|
{
|
||
|
|
NvmeNamespace *ns = NVME_NS(dev);
|
||
|
|
|
||
|
|
nvme_ns_drain(ns);
|
||
|
|
nvme_ns_shutdown(ns);
|
||
|
|
nvme_ns_cleanup(ns);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void nvme_ns_realize(DeviceState *dev, Error **errp)
|
||
|
|
{
|
||
|
|
NvmeNamespace *ns = NVME_NS(dev);
|
||
|
|
BusState *s = qdev_get_parent_bus(dev);
|
||
|
|
NvmeCtrl *n = NVME(s->parent);
|
||
|
|
NvmeSubsystem *subsys = n->subsys;
|
||
|
|
uint32_t nsid = ns->params.nsid;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
if (!n->subsys) {
|
||
|
|
/* If no subsys, the ns cannot be attached to more than one ctrl. */
|
||
|
|
ns->params.shared = false;
|
||
|
|
if (ns->params.detached) {
|
||
|
|
error_setg(errp, "detached requires that the nvme device is "
|
||
|
|
"linked to an nvme-subsys device");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
/*
|
||
|
|
* If this namespace belongs to a subsystem (through a link on the
|
||
|
|
* controller device), reparent the device.
|
||
|
|
*/
|
||
|
|
if (!qdev_set_parent_bus(dev, &subsys->bus.parent_bus, errp)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (nvme_ns_setup(ns, errp)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!nsid) {
|
||
|
|
for (i = 1; i <= NVME_MAX_NAMESPACES; i++) {
|
||
|
|
if (nvme_ns(n, i) || nvme_subsys_ns(subsys, i)) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
nsid = ns->params.nsid = i;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!nsid) {
|
||
|
|
error_setg(errp, "no free namespace id");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (nvme_ns(n, nsid) || nvme_subsys_ns(subsys, nsid)) {
|
||
|
|
error_setg(errp, "namespace id '%d' already allocated", nsid);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (subsys) {
|
||
|
|
subsys->namespaces[nsid] = ns;
|
||
|
|
|
||
|
|
if (ns->params.detached) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ns->params.shared) {
|
||
|
|
for (i = 0; i < ARRAY_SIZE(subsys->ctrls); i++) {
|
||
|
|
NvmeCtrl *ctrl = subsys->ctrls[i];
|
||
|
|
|
||
|
|
if (ctrl && ctrl != SUBSYS_SLOT_RSVD) {
|
||
|
|
nvme_attach_ns(ctrl, ns);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
nvme_attach_ns(n, ns);
|
||
|
|
}
|
||
|
|
|
||
|
|
static Property nvme_ns_props[] = {
|
||
|
|
DEFINE_BLOCK_PROPERTIES(NvmeNamespace, blkconf),
|
||
|
|
DEFINE_PROP_BOOL("detached", NvmeNamespace, params.detached, false),
|
||
|
|
DEFINE_PROP_BOOL("shared", NvmeNamespace, params.shared, true),
|
||
|
|
DEFINE_PROP_UINT32("nsid", NvmeNamespace, params.nsid, 0),
|
||
|
|
DEFINE_PROP_UUID_NODEFAULT("uuid", NvmeNamespace, params.uuid),
|
||
|
|
DEFINE_PROP_UINT64("eui64", NvmeNamespace, params.eui64, 0),
|
||
|
|
DEFINE_PROP_UINT16("ms", NvmeNamespace, params.ms, 0),
|
||
|
|
DEFINE_PROP_UINT8("mset", NvmeNamespace, params.mset, 0),
|
||
|
|
DEFINE_PROP_UINT8("pi", NvmeNamespace, params.pi, 0),
|
||
|
|
DEFINE_PROP_UINT8("pil", NvmeNamespace, params.pil, 0),
|
||
|
|
DEFINE_PROP_UINT8("pif", NvmeNamespace, params.pif, 0),
|
||
|
|
DEFINE_PROP_UINT16("mssrl", NvmeNamespace, params.mssrl, 128),
|
||
|
|
DEFINE_PROP_UINT32("mcl", NvmeNamespace, params.mcl, 128),
|
||
|
|
DEFINE_PROP_UINT8("msrc", NvmeNamespace, params.msrc, 127),
|
||
|
|
DEFINE_PROP_BOOL("zoned", NvmeNamespace, params.zoned, false),
|
||
|
|
DEFINE_PROP_SIZE("zoned.zone_size", NvmeNamespace, params.zone_size_bs,
|
||
|
|
NVME_DEFAULT_ZONE_SIZE),
|
||
|
|
DEFINE_PROP_SIZE("zoned.zone_capacity", NvmeNamespace, params.zone_cap_bs,
|
||
|
|
0),
|
||
|
|
DEFINE_PROP_BOOL("zoned.cross_read", NvmeNamespace,
|
||
|
|
params.cross_zone_read, false),
|
||
|
|
DEFINE_PROP_UINT32("zoned.max_active", NvmeNamespace,
|
||
|
|
params.max_active_zones, 0),
|
||
|
|
DEFINE_PROP_UINT32("zoned.max_open", NvmeNamespace,
|
||
|
|
params.max_open_zones, 0),
|
||
|
|
DEFINE_PROP_UINT32("zoned.descr_ext_size", NvmeNamespace,
|
||
|
|
params.zd_extension_size, 0),
|
||
|
|
DEFINE_PROP_UINT32("zoned.numzrwa", NvmeNamespace, params.numzrwa, 0),
|
||
|
|
DEFINE_PROP_SIZE("zoned.zrwas", NvmeNamespace, params.zrwas, 0),
|
||
|
|
DEFINE_PROP_SIZE("zoned.zrwafg", NvmeNamespace, params.zrwafg, -1),
|
||
|
|
DEFINE_PROP_BOOL("eui64-default", NvmeNamespace, params.eui64_default,
|
||
|
|
false),
|
||
|
|
DEFINE_PROP_END_OF_LIST(),
|
||
|
|
};
|
||
|
|
|
||
|
|
static void nvme_ns_class_init(ObjectClass *oc, void *data)
|
||
|
|
{
|
||
|
|
DeviceClass *dc = DEVICE_CLASS(oc);
|
||
|
|
|
||
|
|
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
|
||
|
|
|
||
|
|
dc->bus_type = TYPE_NVME_BUS;
|
||
|
|
dc->realize = nvme_ns_realize;
|
||
|
|
dc->unrealize = nvme_ns_unrealize;
|
||
|
|
device_class_set_props(dc, nvme_ns_props);
|
||
|
|
dc->desc = "Virtual NVMe namespace";
|
||
|
|
}
|
||
|
|
|
||
|
|
static void nvme_ns_instance_init(Object *obj)
|
||
|
|
{
|
||
|
|
NvmeNamespace *ns = NVME_NS(obj);
|
||
|
|
char *bootindex = g_strdup_printf("/namespace@%d,0", ns->params.nsid);
|
||
|
|
|
||
|
|
device_add_bootindex_property(obj, &ns->bootindex, "bootindex",
|
||
|
|
bootindex, DEVICE(obj));
|
||
|
|
|
||
|
|
g_free(bootindex);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const TypeInfo nvme_ns_info = {
|
||
|
|
.name = TYPE_NVME_NS,
|
||
|
|
.parent = TYPE_DEVICE,
|
||
|
|
.class_init = nvme_ns_class_init,
|
||
|
|
.instance_size = sizeof(NvmeNamespace),
|
||
|
|
.instance_init = nvme_ns_instance_init,
|
||
|
|
};
|
||
|
|
|
||
|
|
static void nvme_ns_register_types(void)
|
||
|
|
{
|
||
|
|
type_register_static(&nvme_ns_info);
|
||
|
|
}
|
||
|
|
|
||
|
|
type_init(nvme_ns_register_types)
|