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[PATCH RFC 07/13] hw/nvme: hoist qdev state from namespace
|
From: |
Klaus Jensen |
|
Subject: |
[PATCH RFC 07/13] hw/nvme: hoist qdev state from namespace |
|
Date: |
Tue, 14 Sep 2021 22:37:31 +0200 |
From: Klaus Jensen <k.jensen@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
hw/nvme/ctrl.c | 32 +++---
hw/nvme/ns.c | 265 ++++++++++++++++++++++++++-----------------------
hw/nvme/nvme.h | 45 ++++++---
3 files changed, 187 insertions(+), 155 deletions(-)
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index f05d85075f08..966fba605d79 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -4616,10 +4616,10 @@ static uint16_t nvme_identify_nslist(NvmeCtrl *n,
NvmeRequest *req,
continue;
}
}
- if (ns->params.nsid <= min_nsid) {
+ if (ns->nsid <= min_nsid) {
continue;
}
- list_ptr[j++] = cpu_to_le32(ns->params.nsid);
+ list_ptr[j++] = cpu_to_le32(ns->nsid);
if (j == data_len / sizeof(uint32_t)) {
break;
}
@@ -4664,10 +4664,10 @@ static uint16_t nvme_identify_nslist_csi(NvmeCtrl *n,
NvmeRequest *req,
continue;
}
}
- if (ns->params.nsid <= min_nsid || c->csi != ns->csi) {
+ if (ns->nsid <= min_nsid || c->csi != ns->csi) {
continue;
}
- list_ptr[j++] = cpu_to_le32(ns->params.nsid);
+ list_ptr[j++] = cpu_to_le32(ns->nsid);
if (j == data_len / sizeof(uint32_t)) {
break;
}
@@ -4714,14 +4714,14 @@ static uint16_t nvme_identify_ns_descr_list(NvmeCtrl
*n, NvmeRequest *req)
*/
uuid.hdr.nidt = NVME_NIDT_UUID;
uuid.hdr.nidl = NVME_NIDL_UUID;
- memcpy(uuid.v, ns->params.uuid.data, NVME_NIDL_UUID);
+ memcpy(uuid.v, ns->uuid.data, NVME_NIDL_UUID);
memcpy(pos, &uuid, sizeof(uuid));
pos += sizeof(uuid);
- if (ns->params.eui64) {
+ if (ns->eui64.v) {
eui64.hdr.nidt = NVME_NIDT_EUI64;
eui64.hdr.nidl = NVME_NIDL_EUI64;
- eui64.v = cpu_to_be64(ns->params.eui64);
+ eui64.v = cpu_to_be64(ns->eui64.v);
memcpy(pos, &eui64, sizeof(eui64));
pos += sizeof(eui64);
}
@@ -5260,7 +5260,7 @@ static uint16_t nvme_ns_attachment(NvmeCtrl *n,
NvmeRequest *req)
return NVME_NS_ALREADY_ATTACHED | NVME_DNR;
}
- if (ns->attached && !ns->params.shared) {
+ if (ns->attached && !(ns->flags & NVME_NS_SHARED)) {
return NVME_NS_PRIVATE | NVME_DNR;
}
@@ -5338,12 +5338,12 @@ static void nvme_format_set(NvmeNamespace *ns, NvmeCmd
*cmd)
uint8_t mset = (dw10 >> 4) & 0x1;
uint8_t pil = (dw10 >> 8) & 0x1;
- trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil);
+ trace_pci_nvme_format_set(ns->nsid, lbaf, mset, pi, pil);
nvm->id_ns.dps = (pil << 3) | pi;
nvm->id_ns.flbas = lbaf | (mset << 4);
- nvme_ns_init_format(ns);
+ nvme_ns_nvm_init_format(nvm);
}
static void nvme_format_ns_cb(void *opaque, int ret)
@@ -6544,7 +6544,7 @@ static int nvme_init_subsys(NvmeCtrl *n, Error **errp)
void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns)
{
NvmeNamespaceNvm *nvm = NVME_NAMESPACE_NVM(ns);
- uint32_t nsid = ns->params.nsid;
+ uint32_t nsid = ns->nsid;
assert(nsid && nsid <= NVME_MAX_NAMESPACES);
n->namespaces[nsid] = ns;
@@ -6557,7 +6557,6 @@ void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns)
static void nvme_realize(PCIDevice *pci_dev, Error **errp)
{
NvmeCtrl *n = NVME(pci_dev);
- NvmeNamespace *ns;
Error *local_err = NULL;
nvme_check_constraints(n, &local_err);
@@ -6582,12 +6581,11 @@ static void nvme_realize(PCIDevice *pci_dev, Error
**errp)
/* setup a namespace if the controller drive property was given */
if (n->namespace.blkconf.blk) {
- ns = &n->namespace;
- ns->params.nsid = 1;
+ NvmeNamespaceDevice *nsdev = &n->namespace;
+ NvmeNamespace *ns = &nsdev->ns;
+ ns->nsid = 1;
- if (nvme_ns_setup(ns, errp)) {
- return;
- }
+ nvme_ns_init(ns);
nvme_attach_ns(n, ns);
}
diff --git a/hw/nvme/ns.c b/hw/nvme/ns.c
index 0e231102c475..b411b184c253 100644
--- a/hw/nvme/ns.c
+++ b/hw/nvme/ns.c
@@ -26,9 +26,8 @@
#define MIN_DISCARD_GRANULARITY (4 * KiB)
-void nvme_ns_init_format(NvmeNamespace *ns)
+void nvme_ns_nvm_init_format(NvmeNamespaceNvm *nvm)
{
- NvmeNamespaceNvm *nvm = NVME_NAMESPACE_NVM(ns);
NvmeIdNs *id_ns = &nvm->id_ns;
BlockDriverInfo bdi;
int npdg, nlbas, ret;
@@ -48,7 +47,7 @@ void nvme_ns_init_format(NvmeNamespace *ns)
npdg = nvm->discard_granularity / nvm->lbasz;
- ret = bdrv_get_info(blk_bs(ns->blkconf.blk), &bdi);
+ ret = bdrv_get_info(blk_bs(nvm->blk), &bdi);
if (ret >= 0 && bdi.cluster_size > nvm->discard_granularity) {
npdg = bdi.cluster_size / nvm->lbasz;
}
@@ -56,53 +55,39 @@ void nvme_ns_init_format(NvmeNamespace *ns)
id_ns->npda = id_ns->npdg = npdg - 1;
}
-static int nvme_ns_init(NvmeNamespace *ns, Error **errp)
+void nvme_ns_init(NvmeNamespace *ns)
{
NvmeNamespaceNvm *nvm = NVME_NAMESPACE_NVM(ns);
- static uint64_t ns_count;
NvmeIdNs *id_ns = &nvm->id_ns;
uint8_t ds;
uint16_t ms;
int i;
- ns->csi = NVME_CSI_NVM;
- ns->status = 0x0;
-
- nvm->id_ns.dlfeat = 0x1;
+ id_ns->dlfeat = 0x1;
/* support DULBE and I/O optimization fields */
id_ns->nsfeat |= (0x4 | 0x10);
- if (ns->params.shared) {
+ if (ns->flags & NVME_NS_SHARED) {
id_ns->nmic |= NVME_NMIC_NS_SHARED;
}
- /* Substitute a missing EUI-64 by an autogenerated one */
- ++ns_count;
- if (!ns->params.eui64 && ns->params.eui64_default) {
- ns->params.eui64 = ns_count + NVME_EUI64_DEFAULT;
- }
-
/* simple copy */
id_ns->mssrl = cpu_to_le16(nvm->mssrl);
id_ns->mcl = cpu_to_le32(nvm->mcl);
id_ns->msrc = nvm->msrc;
- id_ns->eui64 = cpu_to_be64(ns->params.eui64);
+ id_ns->eui64 = cpu_to_be64(ns->eui64.v);
ds = 31 - clz32(nvm->lbasz);
- ms = ns->params.ms;
+ ms = nvm->lbaf.ms;
id_ns->mc = NVME_ID_NS_MC_EXTENDED | NVME_ID_NS_MC_SEPARATE;
- if (ms && ns->params.mset) {
+ if (ms && nvm->flags & NVME_NS_NVM_EXTENDED_LBA) {
id_ns->flbas |= NVME_ID_NS_FLBAS_EXTENDED;
}
id_ns->dpc = 0x1f;
- id_ns->dps = ns->params.pi;
- if (ns->params.pi && ns->params.pil) {
- id_ns->dps |= NVME_ID_NS_DPS_FIRST_EIGHT;
- }
static const NvmeLBAF lbaf[16] = {
[0] = { .ds = 9 },
@@ -135,59 +120,63 @@ static int nvme_ns_init(NvmeNamespace *ns, Error **errp)
id_ns->flbas |= id_ns->nlbaf;
lbaf_found:
- nvme_ns_init_format(ns);
-
- return 0;
+ nvme_ns_nvm_init_format(nvm);
}
-static int nvme_ns_init_blk(NvmeNamespace *ns, Error **errp)
+static int nvme_nsdev_init_blk(NvmeNamespaceDevice *nsdev,
+ Error **errp)
{
+ NvmeNamespace *ns = &nsdev->ns;
NvmeNamespaceNvm *nvm = NVME_NAMESPACE_NVM(ns);
+ BlockConf *blkconf = &nsdev->blkconf;
bool read_only;
- if (!blkconf_blocksizes(&ns->blkconf, errp)) {
+ if (!blkconf_blocksizes(blkconf, errp)) {
return -1;
}
- read_only = !blk_supports_write_perm(ns->blkconf.blk);
- if (!blkconf_apply_backend_options(&ns->blkconf, read_only, false, errp)) {
+ read_only = !blk_supports_write_perm(blkconf->blk);
+ if (!blkconf_apply_backend_options(blkconf, read_only, false, errp)) {
return -1;
}
- if (ns->blkconf.discard_granularity == -1) {
- ns->blkconf.discard_granularity =
- MAX(ns->blkconf.logical_block_size, MIN_DISCARD_GRANULARITY);
+ if (blkconf->discard_granularity == -1) {
+ blkconf->discard_granularity =
+ MAX(blkconf->logical_block_size, MIN_DISCARD_GRANULARITY);
}
- nvm->lbasz = ns->blkconf.logical_block_size;
- nvm->discard_granularity = ns->blkconf.discard_granularity;
+ nvm->lbasz = blkconf->logical_block_size;
+ nvm->discard_granularity = blkconf->discard_granularity;
nvm->lbaf.ds = 31 - clz32(nvm->lbasz);
- nvm->lbaf.ms = ns->params.ms;
+ nvm->lbaf.ms = nsdev->params.ms;
+ nvm->blk = blkconf->blk;
- nvm->size = blk_getlength(ns->blkconf.blk);
+ nvm->size = blk_getlength(nvm->blk);
if (nvm->size < 0) {
- error_setg_errno(errp, -nvm->size, "could not get blockdev size");
+ error_setg_errno(errp, -(nvm->size), "could not get blockdev size");
return -1;
}
return 0;
}
-static int nvme_ns_zoned_check_calc_geometry(NvmeNamespace *ns, Error **errp)
+static int nvme_nsdev_zoned_check_calc_geometry(NvmeNamespaceDevice *nsdev,
+ Error **errp)
{
+ NvmeNamespace *ns = &nsdev->ns;
NvmeNamespaceNvm *nvm = NVME_NAMESPACE_NVM(ns);
NvmeNamespaceZoned *zoned = NVME_NAMESPACE_ZONED(ns);
uint64_t zone_size, zone_cap;
/* Make sure that the values of ZNS properties are sane */
- if (ns->params.zone_size_bs) {
- zone_size = ns->params.zone_size_bs;
+ if (nsdev->params.zone_size_bs) {
+ zone_size = nsdev->params.zone_size_bs;
} else {
zone_size = NVME_DEFAULT_ZONE_SIZE;
}
- if (ns->params.zone_cap_bs) {
- zone_cap = ns->params.zone_cap_bs;
+ if (nsdev->params.zone_cap_bs) {
+ zone_cap = nsdev->params.zone_cap_bs;
} else {
zone_cap = zone_size;
}
@@ -359,46 +348,47 @@ static void nvme_ns_zoned_shutdown(NvmeNamespaceZoned
*zoned)
assert(zoned->nr_open_zones == 0);
}
-static int nvme_ns_check_constraints(NvmeNamespace *ns, Error **errp)
+static int nvme_nsdev_check_constraints(NvmeNamespaceDevice *nsdev,
+ Error **errp)
{
- if (!ns->blkconf.blk) {
+ if (!nsdev->blkconf.blk) {
error_setg(errp, "block backend not configured");
return -1;
}
- if (ns->params.pi && ns->params.ms < 8) {
+ if (nsdev->params.pi && nsdev->params.ms < 8) {
error_setg(errp, "at least 8 bytes of metadata required to enable "
"protection information");
return -1;
}
- if (ns->params.nsid > NVME_MAX_NAMESPACES) {
+ if (nsdev->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) {
+ if (nsdev->params.zoned) {
+ if (nsdev->params.max_active_zones) {
+ if (nsdev->params.max_open_zones > nsdev->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);
+ "max_active_zones (%u)",
nsdev->params.max_open_zones,
+ nsdev->params.max_active_zones);
return -1;
}
- if (!ns->params.max_open_zones) {
- ns->params.max_open_zones = ns->params.max_active_zones;
+ if (!nsdev->params.max_open_zones) {
+ nsdev->params.max_open_zones = nsdev->params.max_active_zones;
}
}
- if (ns->params.zd_extension_size) {
- if (ns->params.zd_extension_size & 0x3f) {
+ if (nsdev->params.zd_extension_size) {
+ if (nsdev->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) {
+ if ((nsdev->params.zd_extension_size >> 6) > 0xff) {
error_setg(errp,
"zone descriptor extension size is too large");
return -1;
@@ -409,35 +399,57 @@ static int nvme_ns_check_constraints(NvmeNamespace *ns,
Error **errp)
return 0;
}
-int nvme_ns_setup(NvmeNamespace *ns, Error **errp)
+static int nvme_nsdev_setup(NvmeNamespaceDevice *nsdev, Error **errp)
{
- if (nvme_ns_check_constraints(ns, errp)) {
+ NvmeNamespaceNvm *nvm = NVME_NAMESPACE_NVM(&nsdev->ns);
+ static uint64_t ns_count;
+
+ if (nvme_nsdev_check_constraints(nsdev, errp)) {
return -1;
}
- if (nvme_ns_init_blk(ns, errp)) {
- return -1;
+ if (nsdev->params.shared) {
+ nsdev->ns.flags |= NVME_NS_SHARED;
}
- if (nvme_ns_init(ns, errp)) {
- return -1;
- }
- if (ns->params.zoned) {
- NvmeNamespaceZoned *zoned = NVME_NAMESPACE_ZONED(ns);
+ nsdev->ns.nsid = nsdev->params.nsid;
+ memcpy(&nsdev->ns.uuid, &nsdev->params.uuid, sizeof(nsdev->ns.uuid));
- if (nvme_ns_zoned_check_calc_geometry(ns, errp) != 0) {
+ if (nsdev->params.eui64) {
+ stq_be_p(&nsdev->ns.eui64.v, nsdev->params.eui64);
+ }
+
+ /* Substitute a missing EUI-64 by an autogenerated one */
+ ++ns_count;
+ if (!nsdev->ns.eui64.v && nsdev->params.eui64_default) {
+ nsdev->ns.eui64.v = ns_count + NVME_EUI64_DEFAULT;
+ }
+
+ nvm->id_ns.dps = nsdev->params.pi;
+ if (nsdev->params.pi && nsdev->params.pil) {
+ nvm->id_ns.dps |= NVME_ID_NS_DPS_FIRST_EIGHT;
+ }
+
+ nsdev->ns.csi = NVME_CSI_NVM;
+
+ nvme_ns_init(&nsdev->ns);
+
+ if (nsdev->params.zoned) {
+ NvmeNamespaceZoned *zoned = NVME_NAMESPACE_ZONED(&nsdev->ns);
+
+ if (nvme_nsdev_zoned_check_calc_geometry(nsdev, errp) != 0) {
return -1;
}
/* copy device parameters */
- zoned->zd_extension_size = ns->params.zd_extension_size;
- zoned->max_open_zones = ns->params.max_open_zones;
- zoned->max_active_zones = ns->params.max_open_zones;
- if (ns->params.cross_zone_read) {
+ zoned->zd_extension_size = nsdev->params.zd_extension_size;
+ zoned->max_open_zones = nsdev->params.max_open_zones;
+ zoned->max_active_zones = nsdev->params.max_open_zones;
+ if (nsdev->params.cross_zone_read) {
zoned->flags |= NVME_NS_ZONED_CROSS_READ;
}
- nvme_ns_zoned_init(ns);
+ nvme_ns_zoned_init(&nsdev->ns);
}
return 0;
@@ -445,12 +457,12 @@ int nvme_ns_setup(NvmeNamespace *ns, Error **errp)
void nvme_ns_drain(NvmeNamespace *ns)
{
- blk_drain(ns->blkconf.blk);
+ blk_drain(nvme_blk(ns));
}
void nvme_ns_shutdown(NvmeNamespace *ns)
{
- blk_flush(ns->blkconf.blk);
+ blk_flush(nvme_blk(ns));
if (nvme_ns_zoned(ns)) {
nvme_ns_zoned_shutdown(NVME_NAMESPACE_ZONED(ns));
}
@@ -466,32 +478,34 @@ void nvme_ns_cleanup(NvmeNamespace *ns)
}
}
-static void nvme_ns_unrealize(DeviceState *dev)
+static void nvme_nsdev_unrealize(DeviceState *dev)
{
- NvmeNamespace *ns = NVME_NS(dev);
+ NvmeNamespaceDevice *nsdev = NVME_NAMESPACE_DEVICE(dev);
+ NvmeNamespace *ns = &nsdev->ns;
nvme_ns_drain(ns);
nvme_ns_shutdown(ns);
nvme_ns_cleanup(ns);
}
-static void nvme_ns_realize(DeviceState *dev, Error **errp)
+static void nvme_nsdev_realize(DeviceState *dev, Error **errp)
{
- NvmeNamespace *ns = NVME_NS(dev);
+ NvmeNamespaceDevice *nsdev = NVME_NAMESPACE_DEVICE(dev);
+ NvmeNamespace *ns = &nsdev->ns;
BusState *s = qdev_get_parent_bus(dev);
NvmeCtrl *n = NVME(s->parent);
NvmeSubsystem *subsys = n->subsys;
- uint32_t nsid = ns->params.nsid;
+ uint32_t nsid = nsdev->params.nsid;
int i;
if (!n->subsys) {
- if (ns->params.detached) {
+ if (nsdev->params.detached) {
error_setg(errp, "detached requires that the nvme device is "
"linked to an nvme-subsys device");
return;
}
- if (ns->params.shared) {
+ if (nsdev->params.shared) {
error_setg(errp, "shared requires that the nvme device is "
"linked to an nvme-subsys device");
return;
@@ -506,7 +520,11 @@ static void nvme_ns_realize(DeviceState *dev, Error **errp)
}
}
- if (nvme_ns_setup(ns, errp)) {
+ if (nvme_nsdev_init_blk(nsdev, errp)) {
+ return;
+ }
+
+ if (nvme_nsdev_setup(nsdev, errp)) {
return;
}
@@ -516,7 +534,7 @@ static void nvme_ns_realize(DeviceState *dev, Error **errp)
continue;
}
- nsid = ns->params.nsid = i;
+ nsid = ns->nsid = i;
break;
}
@@ -534,11 +552,11 @@ static void nvme_ns_realize(DeviceState *dev, Error
**errp)
if (subsys) {
subsys->namespaces[nsid] = ns;
- if (ns->params.detached) {
+ if (nsdev->params.detached) {
return;
}
- if (ns->params.shared) {
+ if (nsdev->params.shared) {
for (i = 0; i < ARRAY_SIZE(subsys->ctrls); i++) {
NvmeCtrl *ctrl = subsys->ctrls[i];
@@ -554,73 +572,74 @@ static void nvme_ns_realize(DeviceState *dev, Error
**errp)
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, false),
- DEFINE_PROP_UINT32("nsid", NvmeNamespace, params.nsid, 0),
- DEFINE_PROP_UUID("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_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,
+static Property nvme_nsdev_props[] = {
+ DEFINE_BLOCK_PROPERTIES(NvmeNamespaceDevice, blkconf),
+ DEFINE_PROP_BOOL("detached", NvmeNamespaceDevice, params.detached, false),
+ DEFINE_PROP_BOOL("shared", NvmeNamespaceDevice, params.shared, false),
+ DEFINE_PROP_UINT32("nsid", NvmeNamespaceDevice, params.nsid, 0),
+ DEFINE_PROP_UUID("uuid", NvmeNamespaceDevice, params.uuid),
+ DEFINE_PROP_UINT64("eui64", NvmeNamespaceDevice, params.eui64, 0),
+ DEFINE_PROP_UINT16("ms", NvmeNamespaceDevice, params.ms, 0),
+ DEFINE_PROP_UINT8("mset", NvmeNamespaceDevice, params.mset, 0),
+ DEFINE_PROP_UINT8("pi", NvmeNamespaceDevice, params.pi, 0),
+ DEFINE_PROP_UINT8("pil", NvmeNamespaceDevice, params.pil, 0),
+ DEFINE_PROP_UINT16("mssrl", NvmeNamespaceDevice, params.mssrl, 128),
+ DEFINE_PROP_UINT32("mcl", NvmeNamespaceDevice, params.mcl, 128),
+ DEFINE_PROP_UINT8("msrc", NvmeNamespaceDevice, params.msrc, 127),
+ DEFINE_PROP_BOOL("zoned", NvmeNamespaceDevice, params.zoned, false),
+ DEFINE_PROP_SIZE("zoned.zone_size", NvmeNamespaceDevice,
params.zone_size_bs,
NVME_DEFAULT_ZONE_SIZE),
- DEFINE_PROP_SIZE("zoned.zone_capacity", NvmeNamespace, params.zone_cap_bs,
+ DEFINE_PROP_SIZE("zoned.zone_capacity", NvmeNamespaceDevice,
params.zone_cap_bs,
0),
- DEFINE_PROP_BOOL("zoned.cross_read", NvmeNamespace,
+ DEFINE_PROP_BOOL("zoned.cross_read", NvmeNamespaceDevice,
params.cross_zone_read, false),
- DEFINE_PROP_UINT32("zoned.max_active", NvmeNamespace,
+ DEFINE_PROP_UINT32("zoned.max_active", NvmeNamespaceDevice,
params.max_active_zones, 0),
- DEFINE_PROP_UINT32("zoned.max_open", NvmeNamespace,
+ DEFINE_PROP_UINT32("zoned.max_open", NvmeNamespaceDevice,
params.max_open_zones, 0),
- DEFINE_PROP_UINT32("zoned.descr_ext_size", NvmeNamespace,
+ DEFINE_PROP_UINT32("zoned.descr_ext_size", NvmeNamespaceDevice,
params.zd_extension_size, 0),
- DEFINE_PROP_BOOL("eui64-default", NvmeNamespace, params.eui64_default,
+ DEFINE_PROP_BOOL("eui64-default", NvmeNamespaceDevice,
params.eui64_default,
true),
DEFINE_PROP_END_OF_LIST(),
};
-static void nvme_ns_class_init(ObjectClass *oc, void *data)
+static void nvme_nsdev_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->realize = nvme_nsdev_realize;
+ dc->unrealize = nvme_nsdev_unrealize;
+ device_class_set_props(dc, nvme_nsdev_props);
dc->desc = "Virtual NVMe namespace";
}
-static void nvme_ns_instance_init(Object *obj)
+static void nvme_nsdev_instance_init(Object *obj)
{
- NvmeNamespace *ns = NVME_NS(obj);
- char *bootindex = g_strdup_printf("/namespace@%d,0", ns->params.nsid);
+ NvmeNamespaceDevice *nsdev = NVME_NAMESPACE_DEVICE(obj);
+ char *bootindex = g_strdup_printf("/namespace@%d,0",
+ nsdev->params.nsid);
- device_add_bootindex_property(obj, &ns->bootindex, "bootindex",
+ device_add_bootindex_property(obj, &nsdev->bootindex, "bootindex",
bootindex, DEVICE(obj));
g_free(bootindex);
}
-static const TypeInfo nvme_ns_info = {
- .name = TYPE_NVME_NS,
+static const TypeInfo nvme_nsdev_info = {
+ .name = TYPE_NVME_NAMESPACE_DEVICE,
.parent = TYPE_DEVICE,
- .class_init = nvme_ns_class_init,
- .instance_size = sizeof(NvmeNamespace),
- .instance_init = nvme_ns_instance_init,
+ .class_init = nvme_nsdev_class_init,
+ .instance_size = sizeof(NvmeNamespaceDevice),
+ .instance_init = nvme_nsdev_instance_init,
};
-static void nvme_ns_register_types(void)
+static void register_types(void)
{
- type_register_static(&nvme_ns_info);
+ type_register_static(&nvme_nsdev_info);
}
-type_init(nvme_ns_register_types)
+type_init(register_types)
diff --git a/hw/nvme/nvme.h b/hw/nvme/nvme.h
index 525bfd0ca831..4ae4b4e5ffe1 100644
--- a/hw/nvme/nvme.h
+++ b/hw/nvme/nvme.h
@@ -80,9 +80,8 @@ static inline NvmeNamespace *nvme_subsys_ns(NvmeSubsystem
*subsys,
return subsys->namespaces[nsid];
}
-#define TYPE_NVME_NS "nvme-ns"
-#define NVME_NS(obj) \
- OBJECT_CHECK(NvmeNamespace, (obj), TYPE_NVME_NS)
+#define TYPE_NVME_NAMESPACE_DEVICE "nvme-ns"
+OBJECT_DECLARE_SIMPLE_TYPE(NvmeNamespaceDevice, NVME_NAMESPACE_DEVICE)
typedef struct NvmeNamespaceParams {
bool detached;
@@ -170,19 +169,26 @@ typedef struct NvmeNamespaceNvm {
unsigned long flags;
} NvmeNamespaceNvm;
+enum NvmeNamespaceFlags {
+ NVME_NS_SHARED = 1 << 0,
+};
+
typedef struct NvmeNamespace {
- DeviceState parent_obj;
- BlockConf blkconf;
- int32_t bootindex;
+ uint32_t nsid;
+ uint8_t csi;
+ QemuUUID uuid;
+ union {
+ uint64_t v;
+ uint8_t a[8];
+ } eui64;
+ NvmeNGUID nguid;
+
+ unsigned long flags;
+
const uint32_t *iocs;
- uint8_t csi;
uint16_t status;
int attached;
- QTAILQ_ENTRY(NvmeNamespace) entry;
-
- NvmeNamespaceParams params;
-
struct {
uint32_t err_rec;
} features;
@@ -199,10 +205,19 @@ static inline BlockBackend *nvme_blk(NvmeNamespace *ns)
return NVME_NAMESPACE_NVM(ns)->blk;
}
+typedef struct NvmeNamespaceDevice {
+ DeviceState parent_obj;
+ BlockConf blkconf;
+ int32_t bootindex;
+
+ NvmeNamespace ns;
+ NvmeNamespaceParams params;
+} NvmeNamespaceDevice;
+
static inline uint32_t nvme_nsid(NvmeNamespace *ns)
{
if (ns) {
- return ns->params.nsid;
+ return ns->nsid;
}
return 0;
@@ -228,8 +243,8 @@ static inline bool nvme_ns_ext(NvmeNamespaceNvm *nvm)
return !!NVME_ID_NS_FLBAS_EXTENDED(nvm->id_ns.flbas);
}
-void nvme_ns_init_format(NvmeNamespace *ns);
-int nvme_ns_setup(NvmeNamespace *ns, Error **errp);
+void nvme_ns_nvm_init_format(NvmeNamespaceNvm *nvm);
+void nvme_ns_init(NvmeNamespace *ns);
void nvme_ns_drain(NvmeNamespace *ns);
void nvme_ns_shutdown(NvmeNamespace *ns);
void nvme_ns_cleanup(NvmeNamespace *ns);
@@ -424,7 +439,7 @@ typedef struct NvmeCtrl {
NvmeSubsystem *subsys;
- NvmeNamespace namespace;
+ NvmeNamespaceDevice namespace;
NvmeNamespace *namespaces[NVME_MAX_NAMESPACES + 1];
NvmeSQueue **sq;
NvmeCQueue **cq;
--
2.33.0
- [PATCH RFC 00/13] hw/nvme: experimental user-creatable objects, Klaus Jensen, 2021/09/14
- [PATCH RFC 02/13] hw/nvme: move zns helpers and types into zoned.h, Klaus Jensen, 2021/09/14
- [PATCH RFC 03/13] hw/nvme: move zoned namespace members to separate struct, Klaus Jensen, 2021/09/14
- [PATCH RFC 01/13] hw/nvme: move dif/pi prototypes into dif.h, Klaus Jensen, 2021/09/14
- [PATCH RFC 04/13] hw/nvme: move nvm namespace members to separate struct, Klaus Jensen, 2021/09/14
- [PATCH RFC 08/13] hw/nvme: hoist qdev state from controller, Klaus Jensen, 2021/09/14
- [PATCH RFC 06/13] nvme: add structured type for nguid, Klaus Jensen, 2021/09/14
- [PATCH RFC 05/13] hw/nvme: move BlockBackend to NvmeNamespaceNvm, Klaus Jensen, 2021/09/14
- [PATCH RFC 07/13] hw/nvme: hoist qdev state from namespace,
Klaus Jensen <=
- [PATCH RFC 09/13] hw/nvme: add experimental device x-nvme-ctrl, Klaus Jensen, 2021/09/14
- [PATCH RFC 11/13] hw/nvme: add experimental abstract object x-nvme-ns, Klaus Jensen, 2021/09/14
- [PATCH RFC 10/13] hw/nvme: add experimental object x-nvme-subsystem, Klaus Jensen, 2021/09/14
- [PATCH RFC 12/13] hw/nvme: add experimental objects x-nvme-ns-{nvm, zoned}, Klaus Jensen, 2021/09/14
- [PATCH RFC 13/13] hw/nvme: add attached-namespaces prop, Klaus Jensen, 2021/09/14
- Re: [PATCH RFC 00/13] hw/nvme: experimental user-creatable objects, Kevin Wolf, 2021/09/16