Add support HMB(Host Memory Block) with feature commands(Get Feature, Set
Feature).
nvme-4.14 tree supports HMB features.
This patch will make nvme controller to return 32MiB preferred size of HMB to
host via identify command.
Set Feature, Get Feature implemented for HMB.
Signed-off-by: Minwoo
I'll send a patch only when there is a clear real use case.
Thanks for your reply.
On Mon, Oct 23, 2017 at 11:30 PM, Keith Busch <keith.bu...@intel.com> wrote:
> On Sat, Oct 21, 2017 at 03:54:16PM +0900, Minwoo Im wrote:
>> Add support HMB(Host Memory Block) with feature commands(G
On Tue, Oct 24, 2017 at 1:18 AM, Stefan Hajnoczi <stefa...@gmail.com> wrote:
> On Sat, Oct 21, 2017 at 03:54:16PM +0900, Minwoo Im wrote:
>> Add support HMB(Host Memory Block) with feature commands(Get Feature, Set
>> Feature).
>> nvme-4.14 tree supports HMB features.
&
The given argument for this trace should be cqid, not sqid.
Signed-off-by: Minwoo Im
---
hw/block/trace-events | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/block/trace-events b/hw/block/trace-events
index f78939fa9da1..bf6d11b58b85 100644
--- a/hw/block/trace-events
> -Original Message-
> From: Qemu-devel On
> Behalf Of Klaus Jensen
> Sent: Thursday, July 30, 2020 3:29 AM
> To: Minwoo Im
> Cc: Kevin Wolf ; qemu-bl...@nongnu.org; Klaus Jensen
> ; qemu-devel@nongnu.org; Max Reitz ;
> Keith Busch
> Subject: Re: [PATCH 0
On 20-07-30 00:06:38, Klaus Jensen wrote:
> From: Klaus Jensen
>
> Since nvme_map_prp always operate on the request-scoped qsg/iovs, just
> pass a single pointer to the NvmeRequest instead of two for each of the
> qsg and iov.
>
> Suggested-by: Minwoo Im
> Sig
On 20-07-30 00:06:36, Klaus Jensen wrote:
> From: Klaus Jensen
>
> Always destroy the request qsg/iov at the end of request use.
>
> Signed-off-by: Klaus Jensen
> ---
> hw/block/nvme.c | 52 -
> 1 file changed, 21 insertions(+), 31 deletions(-)
lear to understand myself here.
Reviewed-by: Minwoo Im
s) + 1;
> uint16_t status;
>
> +trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps);
Hmm.. Okay with this. But once QEMUSGList and QEMUIOVector instances are coming
into the NvmeRequest, we just can pass the NvmeRequest instance here
and print the cid as well
l
Klaus Jensen
> Reviewed-by: Maxim Levitsky
Reviewed-by: Minwoo Im
iewed-by: Maxim Levitsky
Reviewed-by: Minwoo Im
rp2);
> +
> +return nvme_map_prp(>qsg, >iov, prp1, prp2, len, n);
> +}
Let's do something for MPTR laster also when we are right in front of that.
Looks good to me.
Reviewed-by: Minwoo Im
> +
> static void nvme_post_cqes(void *opaque)
> {
> NvmeCQu
On Thu, Jul 30, 2020 at 7:06 AM Klaus Jensen wrote:
>
> From: Klaus Jensen
>
> Make sure the request iov is destroyed before reuse; fixing a memory
> leak.
>
> Signed-off-by: Klaus Jensen
Looks good to me and Thanks for splitting this up.
Reviewed-by: Minwoo Im
On Thu, Jul 30, 2020 at 7:06 AM Klaus Jensen wrote:
>
> From: Klaus Jensen
>
> Remove the has_sg member from NvmeRequest since it's redundant.
>
> Signed-off-by: Klaus Jensen
Looks better than the previous one to me.
Reviewed-by: Minwoo Im
gt; index 6d0cd588c786..5d7d4679650b 100644
> --- a/hw/block/trace-events
> +++ b/hw/block/trace-events
> @@ -85,6 +85,7 @@ pci_nvme_mmio_shutdown_set(void) "shutdown bit set"
> pci_nvme_mmio_shutdown_cleared(void) "shutdown bit cleared"
>
> # nvme traces for error conditions
> +pci_nvme_err_mdts(uint16_t cid, size_t len) "cid %"PRIu16" len %"PRIu64""
> pci_nvme_err_invalid_dma(void) "PRP/SGL is too small for transfer size"
> pci_nvme_err_invalid_prplist_ent(uint64_t prplist) "PRP list entry is null
> or not page aligned: 0x%"PRIx64""
> pci_nvme_err_invalid_prp2_align(uint64_t prp2) "PRP2 is not page aligned:
> 0x%"PRIx64""
> --
> 2.27.0
>
>
Reviewed-by: Minwoo Im
Thanks,
On 20-07-20 13:37:44, Klaus Jensen wrote:
> From: Klaus Jensen
>
> Move clearing of the structure from "clear before use" to "clear
> after use".
Yah, agree on this.
Reviewed-by: Minwoo Im
Reviewed-by: Minwoo Im
Thanks,
On 20-07-20 13:37:45, Klaus Jensen wrote:
> From: Klaus Jensen
>
> Instead of passing around the NvmeNamespace, add it as a member in the
> NvmeRequest structure.
>
> Signed-off-by: Klaus Jensen
Reviewed-by: Minwoo Im
series.
And I also agree on starting to make focus on nvme_req_clear() for
wrap-up.
Looks good to me.
Reviewed-by: Minwoo Im
On 20-07-20 13:37:47, Klaus Jensen wrote:
> From: Klaus Jensen
>
> Keep a copy of the raw nvme command in the NvmeRequest and remove the
> now redundant NvmeCmd parameter.
>
> Signed-off-by: Klaus Jensen
I would really have suggested this change from 13th patch!
Revi
On 20-07-20 13:37:48, Klaus Jensen wrote:
> From: Klaus Jensen
>
> Since clean up of the request qsg/iov is now always done post-use, there
> is no need to use a stack-allocated qsg/iov in nvme_dma_prp.
>
> Signed-off-by: Klaus Jensen
> Acked-by: Keith Busch
> Reviewed-by: Maxim Levitsky
>
nt64_t prp1,
> } else {
> if (unlikely(prp2 & (n->page_size - 1))) {
> trace_pci_nvme_err_invalid_prp2_align(prp2);
> +status = NVME_INVALID_FIELD | NVME_DNR;
> goto unmap;
> }
> - if (qsg->nsg) {
> -qemu_sglist_add(qsg, prp2, len);
> -} else {
> -qemu_iovec_add(iov, (void *)>cmbuf[prp2 -
> n->ctrl_mem.addr], trans_len);
> +status = nvme_map_addr(n, qsg, iov, prp2, len);
> +if (status) {
> +goto unmap;
I like these parts which is much better to read the codes.
Reviewed-by: Minwoo Im
Thanks,
), >acct,
> req->iov.size,
> + acct);
> req->aiocb = is_write ?
> blk_aio_pwritev(n->conf.blk, data_offset, >iov, 0,
> nvme_rw_cb,
> req) :
Reviewed-by: Minwoo Im
Thanks,
Klaus,
On 20-07-20 13:37:38, Klaus Jensen wrote:
> From: Klaus Jensen
>
> Pass along the NvmeRequest in various functions since it is very useful
> for tracing.
One doubt here.
This patch has put NvmeRequest argument to the nvme_map_prp() to trace
the request's command id. But can we just
Klaus,
On 20-07-20 13:37:39, Klaus Jensen wrote:
> From: Klaus Jensen
>
> Introduce the nvme_map helper to remove some noise in the main nvme_rw
> function.
>
> Signed-off-by: Klaus Jensen
> Reviewed-by: Maxim Levitsky
> ---
> hw/block/nvme.c | 13 ++---
> 1 file changed, 10
On 20-07-20 13:37:41, Klaus Jensen wrote:
> From: Klaus Jensen
>
> Hoist bounds checking into its own function and check for wrap-around.
>
> Signed-off-by: Klaus Jensen
> Reviewed-by: Maxim Levitsky
Reviewed-by: Minwoo Im
; If some of the PRPs in a PRP list are in the CMB, then ALL entries must
> be there. This patch makes sure that requirement is verified as well as
> properly announcing support for PRP lists in the CMB.
>
> Signed-off-by: Klaus Jensen
> Reviewed-by: Maxim Levitsky
Reviewed-by: Minwoo Im
Klaus,
On 20-07-20 13:37:36, Klaus Jensen wrote:
> From: Klaus Jensen
>
> Remove the has_sg member from NvmeRequest since it's redundant.
>
> Also, make sure the request iov is destroyed at completion time.
>
> Signed-off-by: Klaus Jensen
> Reviewed-by: Maxim Levitsky
> ---
>
Klaus,
On 20-07-20 13:37:37, Klaus Jensen wrote:
> From: Klaus Jensen
>
> Refactor the nvme_dma_{read,write}_prp functions into a common function
> taking a DMADirection parameter.
>
> Signed-off-by: Klaus Jensen
> Reviewed-by: Maxim Levitsky
Reviewed-by: Minwoo Im
Thanks,
< 5,
> NVME_ONCS_TIMESTAMP = 1 << 6,
> +NVME_ONCS_COPY = 1 << 8,
> +};
> +
> +enum NvmeIdCtrlOcfs {
> +NVME_OCFS_COPY_FORMAT_0 = 1 << NVME_COPY_FORMAT_0,
I'd prefer (1 << 0) to (1 << enum) which is more obvious and same style
with enum NvmeIdCtrlOncs.
But I'm fine with both cases.
Please add:
Reviewed-by: Minwoo Im
Hello,
On 20-11-24 08:37:14, Klaus Jensen wrote:
> From: Gollu Appalanaidu
>
> Add the Compare command.
>
> This implementation uses a bounce buffer to read in the data from
> storage and then compare with the host supplied buffer.
>
> Signed-off-by: Gollu Appalanaidu
> [k.jensen: rebased]
>
Hello,
Reviewed-by: Minwoo Im
lu Appalanaidu
> [k.jensen: rebased]
> Signed-off-by: Klaus Jensen
Reviewed-by: Minwoo Im
On 11/12 20:59, Klaus Jensen wrote:
> From: Klaus Jensen
>
> nvme_check_bounds has no use of the NvmeCtrl parameter; remove it.
>
> Signed-off-by: Klaus Jensen
Reviewed-by: Minwoo Im
On 11/12 20:59, Klaus Jensen wrote:
> From: Klaus Jensen
>
> Add a new function, nvme_aio_err, to handle errors resulting from AIOs
> and use this from the callbacks.
>
> Signed-off-by: Klaus Jensen
> ---
> hw/block/nvme.c | 61 +
> 1 file
On 11/12 20:59, Klaus Jensen wrote:
> From: Klaus Jensen
>
> Add support for reporting the Deallocated or Unwritten Logical Block
> Error (DULBE).
>
> Rely on the block status flags reported by the block layer and consider
> any block with the BDRV_BLOCK_ZERO flag to be deallocated.
>
>
Stefan Hajnoczi
Reviewed-by: Minwoo Im
On 21-01-19 11:15:02, Klaus Jensen wrote:
> From: Padmakar Kalghatgi
>
> Implement v1.4 logic for configuring the Controller Memory Buffer. This
> is not backward compatible with v1.3, so drivers that only support v1.3
> will not be able to use the CMB anymore.
Reviewed the legacy-cmb paramete,
Reviewed-by: Minwoo Im
> Hello Minwoo,
>
> By introducing a detached parameter,
> you are also implicitly making the following
> NVMe commands no longer be spec compliant:
>
> NVME_ID_CNS_NS, NVME_ID_CNS_CS_NS,
> NVME_ID_CNS_NS_ACTIVE_LIST, NVME_ID_CNS_CS_NS_ACTIVE_LIST
>
> When these commands are called on a
Reviewed-by: Minwoo Im
Nice for codes much more clean.
Reviewed-by: Minwoo Im
On 21-01-22 10:42:36, Keith Busch wrote:
> On Fri, Jan 22, 2021 at 09:07:34PM +0900, Minwoo Im wrote:
> > index b525fca14103..3dedefb8ebba 100644
> > --- a/hw/block/nvme.c
> > +++ b/hw/block/nvme.c
> > @@ -4435,6 +4435,9 @@ static void nvme_init_ctrl(NvmeCtrl
The actual parameter name is 'cross_read' rather than 'cross_zone_read'.
Signed-off-by: Minwoo Im
---
hw/block/nvme.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 21aec90637fa..bf9134f73d81 100644
--- a/hw/block/nvme.c
+++ b/hw
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
On 21-01-25 10:11:43, Keith Busch wrote:
> On Mon, Jan 25, 2021 at 07:03:32PM +0100, Klaus Jensen wrote:
> > On Jan 24 11:54, Minwoo Im wrote:
> > > We have nvme-subsys and nvme devices mapped together. To support
> > > multi-controller scheme to this setup, co
On 21-01-21 14:52:02, Keith Busch wrote:
> On Fri, Jan 22, 2021 at 07:09:03AM +0900, Minwoo Im wrote:
> > +static void nvme_subsys_setup(NvmeSubsystem *subsys)
> > +{
> > +char *subnqn;
> > +
> > +subnqn = g_strdup_printf("nqn.2019-08.or
Added Controller Multi-path I/O and Namespace Sharing Capabilities
(CMIC) field to support multi-controller in the following patches.
This field is in Identify Controller data structure in [76].
Signed-off-by: Minwoo Im
---
include/block/nvme.h | 4
1 file changed, 4 insertions(+)
diff
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
) -device nvme-subsys,id=subsys0: nqn.2019-08.org.qemu:subsys0
Signed-off-by: Minwoo Im
---
hw/block/meson.build | 2 +-
hw/block/nvme-subsys.c | 63 ++
hw/block/nvme-subsys.h | 25 +
hw/block/nvme.c| 3 ++
4 files changed, 92
-by: Minwoo Im
---
hw/block/nvme.c | 30 ++
hw/block/nvme.h | 3 +++
2 files changed, 29 insertions(+), 4 deletions(-)
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index aabccdf36f4b..ab0531492ddd 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -23,6 +23,7
to the subsystem with a limit(32). This patch didn't take
list for the controllers to make it seamless with nvme-ns device.
Signed-off-by: Minwoo Im
---
hw/block/nvme-subsys.c | 21 +
hw/block/nvme-subsys.h | 4
hw/block/nvme.c| 34
Added Namespace Multi-path I/O and Namespace Sharing Capabilities (NMIC)
field to support shared namespace from controller(s).
This field is in Identify Namespace data structure in [30].
Signed-off-by: Minwoo Im
---
include/block/nvme.h | 4
1 file changed, 4 insertions(+)
diff --git
controllers in
the subsystem to the namespace by default.
Signed-off-by: Minwoo Im
---
hw/block/nvme-ns.c | 23 ++-
hw/block/nvme-ns.h | 7 +++
hw/block/nvme-subsys.c | 25 +
hw/block/nvme-subsys.h | 3 +++
hw/block/nvme.c| 10
On 21-01-21 15:03:38, Keith Busch wrote:
> On Fri, Jan 22, 2021 at 07:09:04AM +0900, Minwoo Im wrote:
> > --- a/hw/block/nvme.c
> > +++ b/hw/block/nvme.c
> > @@ -23,6 +23,7 @@
> > * max_ioqpairs=, \
> > * aerl=, aer_max_que
On 21-01-21 15:17:16, Keith Busch wrote:
> On Fri, Jan 22, 2021 at 07:09:06AM +0900, Minwoo Im wrote:
> > -static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev)
> > +static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev, uint16_t
> > cntlid)
> > {
> &g
to the subsystem with a limit(32). This patch didn't take
list for the controllers to make it seamless with nvme-ns device.
Signed-off-by: Minwoo Im
---
hw/block/nvme-subsys.c | 21 +
hw/block/nvme-subsys.h | 4
hw/block/nvme.c| 29
controllers in
the subsystem to the namespace by default.
Signed-off-by: Minwoo Im
---
hw/block/nvme-ns.c | 23 ++-
hw/block/nvme-ns.h | 7 +++
hw/block/nvme-subsys.c | 25 +
hw/block/nvme-subsys.h | 3 +++
hw/block/nvme.c| 10
-by: Minwoo Im
---
hw/block/nvme.c | 30 +-
hw/block/nvme.h | 3 +++
2 files changed, 28 insertions(+), 5 deletions(-)
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index aabccdf36f4b..b525fca14103 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -22,7 +22,8
) -device nvme-subsys,id=subsys0: nqn.2019-08.org.qemu:subsys0
Signed-off-by: Minwoo Im
---
hw/block/meson.build | 2 +-
hw/block/nvme-subsys.c | 60 ++
hw/block/nvme-subsys.h | 25 ++
hw/block/nvme.c| 3 +++
4 files changed, 89
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
Added Namespace Multi-path I/O and Namespace Sharing Capabilities (NMIC)
field to support shared namespace from controller(s).
This field is in Identify Namespace data structure in [30].
Signed-off-by: Minwoo Im
---
include/block/nvme.h | 4
1 file changed, 4 insertions(+)
diff --git
Added Controller Multi-path I/O and Namespace Sharing Capabilities
(CMIC) field to support multi-controller in the following patches.
This field is in Identify Controller data structure in [76].
Signed-off-by: Minwoo Im
---
include/block/nvme.h | 4
1 file changed, 4 insertions(+)
diff
Added Controller Multi-path I/O and Namespace Sharing Capabilities
(CMIC) field to support multi-controller in the following patches.
This field is in Identify Controller data structure in [76].
Signed-off-by: Minwoo Im
---
include/block/nvme.h | 4
1 file changed, 4 insertions(+)
diff
Added Namespace Multi-path I/O and Namespace Sharing Capabilities (NMIC)
field to support shared namespace from controller(s).
This field is in Identify Namespace data structure in [30].
Signed-off-by: Minwoo Im
---
include/block/nvme.h | 4
1 file changed, 4 insertions(+)
diff --git
List by removing fall-thru statement.
Since RFC V1:
- Updated namespace sharing scheme to be based on nvme-subsys
hierarchy.
Minwoo Im (8):
hw/block/nvme: introduce nvme-subsys device
hw/block/nvme: support to map controller to a subsystem
hw/block/nvme: add CMIC enum value
controllers in
the subsystem to the namespace by default.
Signed-off-by: Minwoo Im
---
hw/block/nvme-ns.c | 23 ++-
hw/block/nvme-ns.h | 7 +++
hw/block/nvme-subsys.c | 25 +
hw/block/nvme-subsys.h | 3 +++
hw/block/nvme.c| 10
will introduce a handler for later on.
Signed-off-by: Minwoo Im
---
hw/block/nvme-ns.c | 9 +
hw/block/nvme-ns.h | 6 ++
hw/block/nvme-subsys.c | 2 ++
hw/block/nvme.c| 31 ++-
hw/block/nvme.h| 15 +++
5 files changed, 62
) -device nvme-subsys,id=subsys0: nqn.2019-08.org.qemu:subsys0
Signed-off-by: Minwoo Im
---
hw/block/meson.build | 2 +-
hw/block/nvme-subsys.c | 63 ++
hw/block/nvme-subsys.h | 25 +
hw/block/nvme.c| 3 ++
4 files changed, 92
roduced for Identify Active Namespace ID List (CNS 02h).
Signed-off-by: Minwoo Im
---
hw/block/nvme.c | 39 ++-
1 file changed, 34 insertions(+), 5 deletions(-)
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 2b2c07b36c2b..7247167b0ee6 100644
--- a/hw/b
-by: Minwoo Im
---
hw/block/nvme.c | 30 ++
hw/block/nvme.h | 3 +++
2 files changed, 29 insertions(+), 4 deletions(-)
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 4644937a5c50..3e3b5451ea3d 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -23,6 +23,7
to the subsystem with a limit(32). This patch didn't take
list for the controllers to make it seamless with nvme-ns device.
Signed-off-by: Minwoo Im
---
hw/block/nvme-subsys.c | 21 +
hw/block/nvme-subsys.h | 4
hw/block/nvme.c| 34
Reviewed-by: Minwoo Im
> > Yes, CMB in v1.4 is not backward-compatible, but is it okay to move onto
> > the CMB v1.4 from v1.3 without supporting the v1.3 usage on this device
> > model?
>
> Next patch moves to v1.4. I wanted to split it because the "bump" patch
> also adds a couple of other v1.4 requires fields. But I
On 21-01-18 10:46:57, Klaus Jensen wrote:
> From: Klaus Jensen
>
> In the interest of supporting both CMB and PMR to be enabled on the same
> device, move the MSI-X table and pending bit array out of BAR 4 and into
> BAR 0.
Nice!
Reviewed-by: Minwoo Im
Tested-by: Minwoo Im
Thanks,
> The spec requires aligned 32 bit accesses (or the size of the register),
> so maybe it's about time we actually ignore instead of falling through.
Agreed.
Hello,
On 21-01-18 10:47:03, Klaus Jensen wrote:
> From: Padmakar Kalghatgi
>
> Implement v1.4 logic for configuring the Controller Memory Buffer. This
> is not backward compatible with v1.3, so drivers that only support v1.3
> will not be able to use the CMB anymore.
>
> Signed-off-by:
On 21-01-18 10:46:55, Klaus Jensen wrote:
> From: Klaus Jensen
>
> 64 bit registers like ASQ and ACQ should be writable by both a hi/lo 32
> bit write combination as well as a plain 64 bit write. The spec does not
> define ordering on the hi/lo split, but the code currently assumes that
> the
cap, val) (cap |= (uint64_t)(val &
> CAP_CMBS_MASK) \
> + << CAP_CMBS_SHIFT)
Oh, it would have been better folded into [3/12] patch, though.
Changes are looking good to me to represent "Supported".
Reviewed-by: Minwoo Im
>
> enum NvmeCapCss {
> NVME_CAP_CSS_NVM= 1 << 0,
> --
> 2.30.0
>
>
> Minwoo, try pulling the most current nvme-cli. There was a sysfs
> scanning bug for non-mpath drives that should be fixed now.
Thank you, Keith! I've posted list result based on the latest one :)
> Isn't the HBitmap slightly overkill? Can qemu/bitmap.h suffice?
Definitely, yes, I think. Current patch series supoprt up to 32
controllers so I think qemu/bitmap.h is enough for us.
Will update the bitmap operations in the next series.
On 21-01-19 19:18:16, Klaus Jensen wrote:
> On Jan 20 02:01, Minwoo Im wrote:
> > Hello,
> >
> > This patch series is third one to support multi-controller and namespace
> > sharing in multi-path. This series introduced subsystem scheme to
> > man
On 21-01-18 20:23:30, Klaus Jensen wrote:
> On Jan 18 14:22, Klaus Jensen wrote:
> > On Jan 18 22:12, Minwoo Im wrote:
> > > On 21-01-18 14:10:50, Klaus Jensen wrote:
> > > > On Jan 18 22:09, Minwoo Im wrote:
> > > > > > > Yes, CMB
> Let's keep convention (or should be convention...) of using NvmeIdNs
> prefix for identify data structure fields on the enum.
Okay!
On 21-01-18 22:14:45, Klaus Jensen wrote:
> On Jan 17 23:53, Minwoo Im wrote:
> > Hello,
> >
> > This patch series introduces NVMe subsystem device to support multi-path
> > I/O in NVMe device model. Two use-cases are supported along with this
> > patch: Mu
On 21-01-18 20:53:24, Klaus Jensen wrote:
> On Jan 18 21:59, Minwoo Im wrote:
> > > The spec requires aligned 32 bit accesses (or the size of the register),
> > > so maybe it's about time we actually ignore instead of falling through.
> >
> > Agreed.
> >
On 21-01-20 08:52:14, Klaus Jensen wrote:
> On Jan 20 09:44, Minwoo Im wrote:
> > On 21-01-19 19:18:16, Klaus Jensen wrote:
> > > On Jan 20 02:01, Minwoo Im wrote:
> > > > Hello,
> > > >
> > > > This patch series is third one to support multi-
Added Namespace Multi-path I/O and Namespace Sharing Capabilities (NMIC)
field to support shared namespace from controller(s).
This field is in Identify Namespace data structure in [30].
Signed-off-by: Minwoo Im
---
include/block/nvme.h | 4
1 file changed, 4 insertions(+)
diff --git
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
) -device nvme-subsys,id=subsys0: nqn.2019-08.org.qemu:subsys0
Signed-off-by: Minwoo Im
---
hw/block/meson.build | 2 +-
hw/block/nvme-subsys.c | 60 ++
hw/block/nvme-subsys.h | 25 ++
hw/block/nvme.c| 3 +++
4 files changed, 89
Added Controller Multi-path I/O and Namespace Sharing Capabilities
(CMIC) field to support multi-controller in the following patches.
This field is in Identify Controller data structure in [76].
Signed-off-by: Minwoo Im
---
include/block/nvme.h | 4
1 file changed, 4 insertions(+)
diff
to the subsystem with a limit(32). This patch didn't take
list for the controllers to make it seamless with nvme-ns device.
Signed-off-by: Minwoo Im
---
hw/block/nvme-subsys.c | 21 +
hw/block/nvme-subsys.h | 4
hw/block/nvme.c| 29
controllers in
the subsystem to the namespace by default.
Signed-off-by: Minwoo Im
---
hw/block/nvme-ns.c | 23 ++-
hw/block/nvme-ns.h | 7 +++
hw/block/nvme-subsys.c | 25 +
hw/block/nvme-subsys.h | 3 +++
hw/block/nvme.c| 10
-by: Minwoo Im
---
hw/block/nvme.c | 30 +-
hw/block/nvme.h | 3 +++
2 files changed, 28 insertions(+), 5 deletions(-)
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index aabccdf36f4b..b525fca14103 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -22,7 +22,8
Reviewed-by: Minwoo Im
Reviewed-by: Minwoo Im
sharing scheme to be based on nvme-subsys
hierarchy.
Thanks,
[1] https://lists.gnu.org/archive/html/qemu-block/2021-01/msg00425.html
Minwoo Im (11):
hw/block/nvme: remove unused argument in nvme_ns_init_zoned
hw/block/nvme: open code for volatile write cache
hw/block/nvme: remove unused
nvme_ns_init_zoned() has no use for given NvmeCtrl object.
Signed-off-by: Minwoo Im
---
hw/block/nvme-ns.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/block/nvme-ns.c b/hw/block/nvme-ns.c
index 274eaf61b721..32662230130b 100644
--- a/hw/block/nvme-ns.c
+++ b/hw
. Also, it open coded the Get Features for VWC to check all
namespaces attached to the controller, and if false detected, return
directly false.
Signed-off-by: Minwoo Im
---
hw/block/nvme-ns.c | 4
hw/block/nvme.c| 15 ---
hw/block/nvme.h| 1 -
3 files changed, 12
) -device nvme-subsys,id=subsys0: nqn.2019-08.org.qemu:subsys0
Signed-off-by: Minwoo Im
---
hw/block/meson.build | 2 +-
hw/block/nvme-subsys.c | 63 ++
hw/block/nvme-subsys.h | 25 +
hw/block/nvme.c| 3 ++
4 files changed, 92
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