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charset=\"utf-8\"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2a00:1450:4864:20::32a;\n envelope-from=alexander@mihalicyn.com; helo=mail-wm1-x32a.google.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no","X-Spam_action":"no action","X-Mailman-Approved-At":"Tue, 17 Feb 2026 10:51:21 -0500","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"From: Alexander Mikhalitsyn \n\nDear friends,\n\nThis patchset adds basic live migration support for\nQEMU emulated NVMe device.\n\nImplementation has some limitations:\n- only one NVMe namespace is supported\n- SMART counters are not preserved\n- CMB is not supported\n- PMR is not supported\n- SPDM is not supported\n- SR-IOV is not supported\n- AERs are not fully supported\n\nI believe this is something I can support in next patchset versions or\nseparately on-demand (when usecase appears). But I wanted to share this\nfirst version as RFC to get some feedback on this in case if I'm approaching\nit wrong.\n\nKind regards,\nAlex\n\nAlexander Mikhalitsyn (4):\n hw/nvme: add migration blockers for non-supported cases\n hw/nvme: split nvme_init_sq/nvme_init_cq into helpers\n migration: add VMSTATE_VARRAY_OF_POINTER_TO_STRUCT_ALLOC\n hw/nvme: add basic live migration support\n\n hw/nvme/ctrl.c | 505 +++++++++++++++++++++++++++++++++---\n hw/nvme/nvme.h | 5 +\n hw/nvme/trace-events | 9 +\n include/migration/vmstate.h | 21 ++\n migration/vmstate-types.c | 88 +++++++\n 5 files changed, 598 insertions(+), 30 deletions(-)"}