On 21-01-25 21:29:58, Klaus Jensen wrote: > On Jan 24 11:54, Minwoo Im wrote: > > Hello, > > > > This is sixth patch series for the support of NVMe subsystem scheme with > > multi-controller and namespace sharing in a subsystem. > > > > This version has a fix in nvme_init_ctrl() when 'cntlid' is set to the > > Identify Controller data structure by making it by cpu_to_le16() as > > Keith reviewed. > > > > Here's test result with a simple 'nvme list -v' command from this model: > > > > -device nvme-subsys,id=subsys0 \ > > -device nvme,serial=foo,id=nvme0,subsys=subsys0 \ > > -device nvme,serial=bar,id=nvme1,subsys=subsys0 \ > > -device nvme,serial=baz,id=nvme2,subsys=subsys0 \ > > -device nvme-ns,id=ns1,drive=drv10,nsid=1,subsys=subsys0 \ > > -device nvme-ns,id=ns2,drive=drv11,nsid=2,bus=nvme2 \ > > \ > > -device nvme,serial=qux,id=nvme3 \ > > -device nvme-ns,id=ns3,drive=drv12,nsid=3,bus=nvme3 \ > > \ > > -device nvme-subsys,id=subsys1 \ > > -device nvme,serial=quux,id=nvme4,subsys=subsys1 \ > > -device nvme-ns,id=ns4,drive=drv13,nsid=1,subsys=subsys1,zoned=true \ > > > > root@vm:~/work# nvme list -v > > NVM Express Subsystems > > > > Subsystem Subsystem-NQN > > Controllers > > ---------------- > > ------------------------------------------------------------------------------------------------ > > ---------------- > > nvme-subsys1 nqn.2019-08.org.qemu:subsys0 > > nvme0, nvme1, nvme2 > > nvme-subsys3 nqn.2019-08.org.qemu:qux > > nvme3 > > nvme-subsys4 nqn.2019-08.org.qemu:subsys1 > > nvme4 > > > > NVM Express Controllers > > > > Device SN MN FR > > TxPort Address Subsystem Namespaces > > -------- -------------------- ---------------------------------------- > > -------- ------ -------------- ------------ ---------------- > > nvme0 foo QEMU NVMe Ctrl > > 1.0 pcie 0000:00:06.0 nvme-subsys1 nvme1c0n1 > > nvme1 bar QEMU NVMe Ctrl > > 1.0 pcie 0000:00:07.0 nvme-subsys1 nvme1c1n1 > > nvme2 baz QEMU NVMe Ctrl > > 1.0 pcie 0000:00:08.0 nvme-subsys1 nvme1c2n1, nvme1c2n2 > > nvme3 qux QEMU NVMe Ctrl > > 1.0 pcie 0000:00:09.0 nvme-subsys3 nvme3n1 > > nvme4 quux QEMU NVMe Ctrl > > 1.0 pcie 0000:00:0a.0 nvme-subsys4 nvme4c4n1 > > > > NVM Express Namespaces > > > > Device NSID Usage Format > > Controllers > > ------------ -------- -------------------------- ---------------- > > ---------------- > > nvme1n1 1 134.22 MB / 134.22 MB 512 B + 0 B nvme0, > > nvme1, nvme2 > > nvme1n2 2 268.44 MB / 268.44 MB 512 B + 0 B nvme2 > > nvme3n1 3 268.44 MB / 268.44 MB 512 B + 0 B nvme3 > > nvme4n1 1 268.44 MB / 268.44 MB 512 B + 0 B nvme4 > > > > Thanks, > > > > Since V5: > > - Fix endianness for 'cntlid' in Identify Controller data structure. > > (Keith) > > > > Since V4: > > - Code clean-up to snprintf rather than duplicating it and copy. > > (Keith) > > - Documentation for 'subsys' clean-up. (Keith) > > - Remove 'cntlid' param from nvme_init_ctrl(). (Keith) > > - Put error_propagate() in nvme_realize(). (Keith) > > > > Since RFC V3: > > - Exclude 'deatched' scheme from this series. This will be covered in > > the next series by covering all the ns-related admin commands > > including ZNS and ns-mgmt. (Niklas) > > - Rebased on nvme-next. > > - Remove RFC tag from this V4. > > > > Since RFC V2: > > - Rebased on nvme-next branch with trivial patches from the previous > > version(V2) applied. (Klaus) > > - Fix enumeration type name convention with NvmeIdNs prefix. (Klaus) > > - Put 'cntlid' to NvmeCtrl instance in nvme_init_ctrl() which was > > missed in V2. > > - Added 'detached' parameter to nvme-ns device to decide whether to > > attach or not to controller(s) in the subsystem. (Klaus) > > - Implemented Identify Active Namespace ID List aprt from Identify > > Allocated Namespace ID List by removing fall-thru statement. > > > > Since RFC V1: > > - Updated namespace sharing scheme to be based on nvme-subsys > > hierarchy. > > > > Minwoo Im (6): > > hw/block/nvme: introduce nvme-subsys device > > hw/block/nvme: support to map controller to a subsystem > > hw/block/nvme: add CMIC enum value for Identify Controller > > hw/block/nvme: support for multi-controller in subsystem > > hw/block/nvme: add NMIC enum value for Identify Namespace > > hw/block/nvme: support for shared namespace in subsystem > > > > hw/block/meson.build | 2 +- > > hw/block/nvme-ns.c | 23 +++++++-- > > hw/block/nvme-ns.h | 7 +++ > > hw/block/nvme-subsys.c | 106 +++++++++++++++++++++++++++++++++++++++++ > > hw/block/nvme-subsys.h | 32 +++++++++++++ > > hw/block/nvme.c | 72 +++++++++++++++++++++++++--- > > hw/block/nvme.h | 4 ++ > > include/block/nvme.h | 8 ++++ > > 8 files changed, 242 insertions(+), 12 deletions(-) > > create mode 100644 hw/block/nvme-subsys.c > > create mode 100644 hw/block/nvme-subsys.h > > > > Thanks Minwoo! This really is great stuff. > > Notwithstanding the nitpicks I've pointed out for [1/6] and [6/6] (no > need to v7 for those), take my > > Tested-by: Klaus Jensen <k.jen...@samsung.com> > Reviewed-by: Klaus Jensen <k.jen...@samsung.com>
Thanks Klaus!
