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* [PATCH 3/5] nvme.h: add Write Zeroes definitions
@ 2016-11-16  7:06 ` chaitany kulkarni
  0 siblings, 0 replies; 8+ messages in thread
From: chaitany kulkarni @ 2016-11-16  7:06 UTC (permalink / raw
  To: axboe; +Cc: martin.petersen, keith.busch, linux-nvme, linux-block

Add the command structure, optional command set support (ONCS) bit and
a new error code for the Write Zeroes command.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@hgst.com>
---
 include/linux/nvme.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 9f3b488..5bf1d2d 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -242,6 +242,7 @@ enum {
  NVME_CTRL_ONCS_COMPARE = 1 << 0,
  NVME_CTRL_ONCS_WRITE_UNCORRECTABLE = 1 << 1,
  NVME_CTRL_ONCS_DSM = 1 << 2,
+ NVME_CTRL_ONCS_WRITE_ZEROES = 1 << 3,
  NVME_CTRL_VWC_PRESENT = 1 << 0,
 };

@@ -558,6 +559,23 @@ struct nvme_dsm_range {
  __le64 slba;
 };

+struct nvme_write_zeroes_cmd {
+ __u8 opcode;
+ __u8 flags;
+ __u16 command_id;
+ __le32 nsid;
+ __u64 rsvd2;
+ __le64 metadata;
+ union nvme_data_ptr dptr;
+ __le64 slba;
+ __le16 length;
+ __le16 control;
+ __le32 dsmgmt;
+ __le32 reftag;
+ __le16 apptag;
+ __le16 appmask;
+};
+
 /* Admin commands */

 enum nvme_admin_opcode {
@@ -857,6 +875,7 @@ struct nvme_command {
  struct nvme_download_firmware dlfw;
  struct nvme_format_cmd format;
  struct nvme_dsm_cmd dsm;
+ struct nvme_write_zeroes_cmd write_zeroes;
  struct nvme_abort_cmd abort;
  struct nvme_get_log_page_command get_log_page;
  struct nvmf_common_command fabrics;
@@ -947,6 +966,7 @@ enum {
  NVME_SC_BAD_ATTRIBUTES = 0x180,
  NVME_SC_INVALID_PI = 0x181,
  NVME_SC_READ_ONLY = 0x182,
+ NVME_SC_ONCS_NOT_SUPPORTED = 0x183,

  /*
  * I/O Command Set Specific - Fabrics commands:
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 8+ messages in thread

* [PATCH 3/5] nvme.h: add Write Zeroes definitions
@ 2016-11-16  7:06 ` chaitany kulkarni
  0 siblings, 0 replies; 8+ messages in thread
From: chaitany kulkarni @ 2016-11-16  7:06 UTC (permalink / raw


Add the command structure, optional command set support (ONCS) bit and
a new error code for the Write Zeroes command.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni at hgst.com>
---
 include/linux/nvme.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 9f3b488..5bf1d2d 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -242,6 +242,7 @@ enum {
  NVME_CTRL_ONCS_COMPARE = 1 << 0,
  NVME_CTRL_ONCS_WRITE_UNCORRECTABLE = 1 << 1,
  NVME_CTRL_ONCS_DSM = 1 << 2,
+ NVME_CTRL_ONCS_WRITE_ZEROES = 1 << 3,
  NVME_CTRL_VWC_PRESENT = 1 << 0,
 };

@@ -558,6 +559,23 @@ struct nvme_dsm_range {
  __le64 slba;
 };

+struct nvme_write_zeroes_cmd {
+ __u8 opcode;
+ __u8 flags;
+ __u16 command_id;
+ __le32 nsid;
+ __u64 rsvd2;
+ __le64 metadata;
+ union nvme_data_ptr dptr;
+ __le64 slba;
+ __le16 length;
+ __le16 control;
+ __le32 dsmgmt;
+ __le32 reftag;
+ __le16 apptag;
+ __le16 appmask;
+};
+
 /* Admin commands */

 enum nvme_admin_opcode {
@@ -857,6 +875,7 @@ struct nvme_command {
  struct nvme_download_firmware dlfw;
  struct nvme_format_cmd format;
  struct nvme_dsm_cmd dsm;
+ struct nvme_write_zeroes_cmd write_zeroes;
  struct nvme_abort_cmd abort;
  struct nvme_get_log_page_command get_log_page;
  struct nvmf_common_command fabrics;
@@ -947,6 +966,7 @@ enum {
  NVME_SC_BAD_ATTRIBUTES = 0x180,
  NVME_SC_INVALID_PI = 0x181,
  NVME_SC_READ_ONLY = 0x182,
+ NVME_SC_ONCS_NOT_SUPPORTED = 0x183,

  /*
  * I/O Command Set Specific - Fabrics commands:
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 8+ messages in thread

* Re: [PATCH 3/5] nvme.h: add Write Zeroes definitions
  2016-11-16  7:06 ` chaitany kulkarni
@ 2016-11-16 16:48   ` Sagi Grimberg
  -1 siblings, 0 replies; 8+ messages in thread
From: Sagi Grimberg @ 2016-11-16 16:48 UTC (permalink / raw
  To: chaitany kulkarni, axboe
  Cc: martin.petersen, keith.busch, linux-nvme, linux-block

Reviewed-by: Sagi Grimberg <sagi@grimberg.me>

^ permalink raw reply	[flat|nested] 8+ messages in thread

* [PATCH 3/5] nvme.h: add Write Zeroes definitions
@ 2016-11-16 16:48   ` Sagi Grimberg
  0 siblings, 0 replies; 8+ messages in thread
From: Sagi Grimberg @ 2016-11-16 16:48 UTC (permalink / raw


Reviewed-by: Sagi Grimberg <sagi at grimberg.me>

^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: [PATCH 3/5] nvme.h: add Write Zeroes definitions
  2016-11-16  7:06 ` chaitany kulkarni
@ 2016-11-17 10:30   ` Christoph Hellwig
  -1 siblings, 0 replies; 8+ messages in thread
From: Christoph Hellwig @ 2016-11-17 10:30 UTC (permalink / raw
  To: chaitany kulkarni
  Cc: axboe, martin.petersen, keith.busch, linux-nvme, linux-block

On Tue, Nov 15, 2016 at 11:06:58PM -0800, chaitany kulkarni wrote:
> Add the command structure, optional command set support (ONCS) bit and
> a new error code for the Write Zeroes command.
> 
> Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@hgst.com>

Unlike the other patches this one looks white space damaged by a mail
client (and it also arrived out of sequence).

With the whitespaces fixed up this looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>

^ permalink raw reply	[flat|nested] 8+ messages in thread

* [PATCH 3/5] nvme.h: add Write Zeroes definitions
@ 2016-11-17 10:30   ` Christoph Hellwig
  0 siblings, 0 replies; 8+ messages in thread
From: Christoph Hellwig @ 2016-11-17 10:30 UTC (permalink / raw


On Tue, Nov 15, 2016@11:06:58PM -0800, chaitany kulkarni wrote:
> Add the command structure, optional command set support (ONCS) bit and
> a new error code for the Write Zeroes command.
> 
> Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni at hgst.com>

Unlike the other patches this one looks white space damaged by a mail
client (and it also arrived out of sequence).

With the whitespaces fixed up this looks good:

Reviewed-by: Christoph Hellwig <hch at lst.de>

^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: [PATCH 3/5] nvme.h: add Write Zeroes definitions
  2016-11-17 10:30   ` Christoph Hellwig
@ 2016-11-18  9:33     ` chaitany kulkarni
  -1 siblings, 0 replies; 8+ messages in thread
From: chaitany kulkarni @ 2016-11-18  9:33 UTC (permalink / raw
  To: Christoph Hellwig
  Cc: axboe, Martin K. Petersen, Keith Busch, linux-nvme, linux-block

I'll resend entire series with v2 prefix and add whitespaces fix along
with other comments.

On Thu, Nov 17, 2016 at 2:30 AM, Christoph Hellwig <hch@infradead.org> wrote:
> On Tue, Nov 15, 2016 at 11:06:58PM -0800, chaitany kulkarni wrote:
>> Add the command structure, optional command set support (ONCS) bit and
>> a new error code for the Write Zeroes command.
>>
>> Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@hgst.com>
>
> Unlike the other patches this one looks white space damaged by a mail
> client (and it also arrived out of sequence).
>
> With the whitespaces fixed up this looks good:
>
> Reviewed-by: Christoph Hellwig <hch@lst.de>

^ permalink raw reply	[flat|nested] 8+ messages in thread

* [PATCH 3/5] nvme.h: add Write Zeroes definitions
@ 2016-11-18  9:33     ` chaitany kulkarni
  0 siblings, 0 replies; 8+ messages in thread
From: chaitany kulkarni @ 2016-11-18  9:33 UTC (permalink / raw


I'll resend entire series with v2 prefix and add whitespaces fix along
with other comments.

On Thu, Nov 17, 2016@2:30 AM, Christoph Hellwig <hch@infradead.org> wrote:
> On Tue, Nov 15, 2016@11:06:58PM -0800, chaitany kulkarni wrote:
>> Add the command structure, optional command set support (ONCS) bit and
>> a new error code for the Write Zeroes command.
>>
>> Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni at hgst.com>
>
> Unlike the other patches this one looks white space damaged by a mail
> client (and it also arrived out of sequence).
>
> With the whitespaces fixed up this looks good:
>
> Reviewed-by: Christoph Hellwig <hch at lst.de>

^ permalink raw reply	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2016-11-18  9:33 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-11-16  7:06 [PATCH 3/5] nvme.h: add Write Zeroes definitions chaitany kulkarni
2016-11-16  7:06 ` chaitany kulkarni
2016-11-16 16:48 ` Sagi Grimberg
2016-11-16 16:48   ` Sagi Grimberg
2016-11-17 10:30 ` Christoph Hellwig
2016-11-17 10:30   ` Christoph Hellwig
2016-11-18  9:33   ` chaitany kulkarni
2016-11-18  9:33     ` chaitany kulkarni

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