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Merge tag 'pull-nvme-20250811' of https://gitlab.com/birkelund/qemu into staging

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nvme queue

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# gpg: Signature made Mon 11 Aug 2025 03:19:32 EDT
# gpg:                using RSA key 522833AA75E2DCE6A24766C04DE1AF316D4F0DE9
# gpg: Good signature from "Klaus Jensen <its@irrelevant.dk>" [unknown]
# gpg:                 aka "Klaus Jensen <k.jensen@samsung.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: DDCA 4D9C 9EF9 31CC 3468  4272 63D5 6FC5 E55D A838
#      Subkey fingerprint: 5228 33AA 75E2 DCE6 A247  66C0 4DE1 AF31 6D4F 0DE9

* tag 'pull-nvme-20250811' of https://gitlab.com/birkelund/qemu:
  hw/nvme: cap MDTS value for internal limitation
  hw/nvme: revert CMIC behavior
  hw/nvme: fix namespace attachment

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi
2025-08-11 12:57:55 -04:00
parent 2190173141 53493c1f83
commit 624d746304
1 changed files with 28 additions and 15 deletions
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hw/nvme/ctrl.c
+28 -15
View File
@@ -6816,7 +6816,7 @@ static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req)
switch (sel) {
case NVME_NS_ATTACHMENT_ATTACH:
if (nvme_ns(n, nsid)) {
if (nvme_ns(ctrl, nsid)) {
return NVME_NS_ALREADY_ATTACHED | NVME_DNR;
}
@@ -6824,7 +6824,7 @@ static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req)
return NVME_NS_PRIVATE | NVME_DNR;
}
if (!nvme_csi_supported(n, ns->csi)) {
if (!nvme_csi_supported(ctrl, ns->csi)) {
return NVME_IOCS_NOT_SUPPORTED | NVME_DNR;
}
@@ -6834,6 +6834,10 @@ static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req)
break;
case NVME_NS_ATTACHMENT_DETACH:
if (!nvme_ns(ctrl, nsid)) {
return NVME_NS_NOT_ATTACHED | NVME_DNR;
}
nvme_detach_ns(ctrl, ns);
nvme_update_dsm_limits(ctrl, NULL);
@@ -8335,6 +8339,11 @@ static bool nvme_check_params(NvmeCtrl *n, Error **errp)
host_memory_backend_set_mapped(n->pmr.dev, true);
}
if (!n->params.mdts || ((1 << n->params.mdts) + 1) > IOV_MAX) {
error_setg(errp, "mdts exceeds IOV_MAX");
return false;
}
if (n->params.zasl > n->params.mdts) {
error_setg(errp, "zoned.zasl (Zone Append Size Limit) must be less "
"than or equal to mdts (Maximum Data Transfer Size)");
@@ -8776,7 +8785,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev)
uint8_t *pci_conf = pci_dev->config;
uint64_t cap = ldq_le_p(&n->bar.cap);
NvmeSecCtrlEntry *sctrl = nvme_sctrl(n);
uint32_t ctratt;
uint32_t ctratt = le32_to_cpu(id->ctratt);
uint16_t oacs;
memcpy(n->cse.acs, nvme_cse_acs_default, sizeof(n->cse.acs));
@@ -8794,10 +8803,11 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev)
id->oaes = cpu_to_le32(NVME_OAES_NS_ATTR);
ctratt = NVME_CTRATT_ELBAS;
ctratt |= NVME_CTRATT_ELBAS;
if (n->params.ctratt.mem) {
ctratt |= NVME_CTRATT_MEM;
}
id->ctratt = cpu_to_le32(ctratt);
id->rab = 6;
@@ -8880,17 +8890,6 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev)
id->psd[0].enlat = cpu_to_le32(0x10);
id->psd[0].exlat = cpu_to_le32(0x4);
id->cmic |= NVME_CMIC_MULTI_CTRL;
ctratt |= NVME_CTRATT_ENDGRPS;
id->endgidmax = cpu_to_le16(0x1);
if (n->subsys->endgrp.fdp.enabled) {
ctratt |= NVME_CTRATT_FDPS;
}
id->ctratt = cpu_to_le32(ctratt);
NVME_CAP_SET_MQES(cap, n->params.mqes);
NVME_CAP_SET_CQR(cap, 1);
NVME_CAP_SET_TO(cap, 0xf);
@@ -8923,6 +8922,20 @@ static int nvme_init_subsys(NvmeCtrl *n, Error **errp)
}
n->subsys = NVME_SUBSYS(dev);
} else {
NvmeIdCtrl *id = &n->id_ctrl;
uint32_t ctratt = le32_to_cpu(id->ctratt);
id->cmic |= NVME_CMIC_MULTI_CTRL;
ctratt |= NVME_CTRATT_ENDGRPS;
id->endgidmax = cpu_to_le16(0x1);
if (n->subsys->endgrp.fdp.enabled) {
ctratt |= NVME_CTRATT_FDPS;
}
id->ctratt = cpu_to_le32(ctratt);
}
cntlid = nvme_subsys_register_ctrl(n, errp);