From: Christoph Hellwig <hch@lst.de> To: axboe@kernel.dk, keith.busch@intel.com Cc: linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Sagi Grimberg <sagi@grimberg.me>, Jay Freyensee <james.p.freyensee@intel.com>, Ming Lin <ming.l@ssi.samsung.com> Subject: [PATCH 3/5] nvme-rdma.h: Add includes for nvme rdma_cm negotiation Date: Mon, 6 Jun 2016 23:23:33 +0200 [thread overview] Message-ID: <1465248215-18186-4-git-send-email-hch@lst.de> (raw) In-Reply-To: <1465248215-18186-1-git-send-email-hch@lst.de> From: Sagi Grimberg <sagi@grimberg.me> NVMe over Fabrics RDMA transport defines a connection establishment protocol over the RDMA connection manager. This header will be used by both the host and target drivers to negotiate the connection establishment parameters. Signed-off-by: Jay Freyensee <james.p.freyensee@intel.com> Signed-off-by: Ming Lin <ming.l@ssi.samsung.com> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de> --- include/linux/nvme-rdma.h | 71 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 include/linux/nvme-rdma.h diff --git a/include/linux/nvme-rdma.h b/include/linux/nvme-rdma.h new file mode 100644 index 0000000..bf240a3 --- /dev/null +++ b/include/linux/nvme-rdma.h @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2015 Mellanox Technologies. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#ifndef _LINUX_NVME_RDMA_H +#define _LINUX_NVME_RDMA_H + +enum nvme_rdma_cm_fmt { + NVME_RDMA_CM_FMT_1_0 = 0x0, +}; + +enum nvme_rdma_cm_status { + NVME_RDMA_CM_INVALID_LEN = 0x01, + NVME_RDMA_CM_INVALID_RECFMT = 0x02, + NVME_RDMA_CM_INVALID_QID = 0x03, + NVME_RDMA_CM_INVALID_HSQSIZE = 0x04, + NVME_RDMA_CM_INVALID_HRQSIZE = 0x05, + NVME_RDMA_CM_NO_RSC = 0x06, + NVME_RDMA_CM_INVALID_IRD = 0x07, + NVME_RDMA_CM_INVALID_ORD = 0x08, +}; + +/** + * struct nvme_rdma_cm_req - rdma connect request + * + * @recfmt: format of the RDMA Private Data + * @qid: queue Identifier for the Admin or I/O Queue + * @hrqsize: host receive queue size to be created + * @hsqsize: host send queue size to be created + */ +struct nvme_rdma_cm_req { + __le16 recfmt; + __le16 qid; + __le16 hrqsize; + __le16 hsqsize; + u8 rsvd[24]; +}; + +/** + * struct nvme_rdma_cm_rep - rdma connect reply + * + * @recfmt: format of the RDMA Private Data + * @crqsize: controller receive queue size + */ +struct nvme_rdma_cm_rep { + __le16 recfmt; + __le16 crqsize; + u8 rsvd[28]; +}; + +/** + * struct nvme_rdma_cm_rej - rdma connect reject + * + * @recfmt: format of the RDMA Private Data + * @fsts: error status for the associated connect request + */ +struct nvme_rdma_cm_rej { + __le16 recfmt; + __le16 sts; +}; + +#endif /* _LINUX_NVME_RDMA_H */ -- 2.1.4
WARNING: multiple messages have this Message-ID (diff)
From: hch@lst.de (Christoph Hellwig) Subject: [PATCH 3/5] nvme-rdma.h: Add includes for nvme rdma_cm negotiation Date: Mon, 6 Jun 2016 23:23:33 +0200 [thread overview] Message-ID: <1465248215-18186-4-git-send-email-hch@lst.de> (raw) In-Reply-To: <1465248215-18186-1-git-send-email-hch@lst.de> From: Sagi Grimberg <sagi@grimberg.me> NVMe over Fabrics RDMA transport defines a connection establishment protocol over the RDMA connection manager. This header will be used by both the host and target drivers to negotiate the connection establishment parameters. Signed-off-by: Jay Freyensee <james.p.freyensee at intel.com> Signed-off-by: Ming Lin <ming.l at ssi.samsung.com> Signed-off-by: Sagi Grimberg <sagi at grimberg.me> Signed-off-by: Christoph Hellwig <hch at lst.de> --- include/linux/nvme-rdma.h | 71 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 include/linux/nvme-rdma.h diff --git a/include/linux/nvme-rdma.h b/include/linux/nvme-rdma.h new file mode 100644 index 0000000..bf240a3 --- /dev/null +++ b/include/linux/nvme-rdma.h @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2015 Mellanox Technologies. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#ifndef _LINUX_NVME_RDMA_H +#define _LINUX_NVME_RDMA_H + +enum nvme_rdma_cm_fmt { + NVME_RDMA_CM_FMT_1_0 = 0x0, +}; + +enum nvme_rdma_cm_status { + NVME_RDMA_CM_INVALID_LEN = 0x01, + NVME_RDMA_CM_INVALID_RECFMT = 0x02, + NVME_RDMA_CM_INVALID_QID = 0x03, + NVME_RDMA_CM_INVALID_HSQSIZE = 0x04, + NVME_RDMA_CM_INVALID_HRQSIZE = 0x05, + NVME_RDMA_CM_NO_RSC = 0x06, + NVME_RDMA_CM_INVALID_IRD = 0x07, + NVME_RDMA_CM_INVALID_ORD = 0x08, +}; + +/** + * struct nvme_rdma_cm_req - rdma connect request + * + * @recfmt: format of the RDMA Private Data + * @qid: queue Identifier for the Admin or I/O Queue + * @hrqsize: host receive queue size to be created + * @hsqsize: host send queue size to be created + */ +struct nvme_rdma_cm_req { + __le16 recfmt; + __le16 qid; + __le16 hrqsize; + __le16 hsqsize; + u8 rsvd[24]; +}; + +/** + * struct nvme_rdma_cm_rep - rdma connect reply + * + * @recfmt: format of the RDMA Private Data + * @crqsize: controller receive queue size + */ +struct nvme_rdma_cm_rep { + __le16 recfmt; + __le16 crqsize; + u8 rsvd[28]; +}; + +/** + * struct nvme_rdma_cm_rej - rdma connect reject + * + * @recfmt: format of the RDMA Private Data + * @fsts: error status for the associated connect request + */ +struct nvme_rdma_cm_rej { + __le16 recfmt; + __le16 sts; +}; + +#endif /* _LINUX_NVME_RDMA_H */ -- 2.1.4
next prev parent reply other threads:[~2016-06-06 21:23 UTC|newest] Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-06-06 21:23 NVMe over Fabrics RDMA transport drivers Christoph Hellwig 2016-06-06 21:23 ` Christoph Hellwig 2016-06-06 21:23 ` [PATCH 1/5] blk-mq: Introduce blk_mq_reinit_tagset Christoph Hellwig 2016-06-06 21:23 ` Christoph Hellwig 2016-06-06 21:23 ` [PATCH 2/5] nvme: add new reconnecting controller state Christoph Hellwig 2016-06-06 21:23 ` Christoph Hellwig 2016-06-06 21:23 ` Christoph Hellwig [this message] 2016-06-06 21:23 ` [PATCH 3/5] nvme-rdma.h: Add includes for nvme rdma_cm negotiation Christoph Hellwig 2016-06-07 11:59 ` Sagi Grimberg 2016-06-07 11:59 ` Sagi Grimberg 2016-06-07 11:59 ` Sagi Grimberg 2016-06-06 21:23 ` [PATCH 4/5] nvmet-rdma: add a NVMe over Fabrics RDMA target driver Christoph Hellwig 2016-06-06 21:23 ` Christoph Hellwig 2016-06-07 12:00 ` Sagi Grimberg 2016-06-07 12:00 ` Sagi Grimberg 2016-06-09 21:42 ` Steve Wise 2016-06-09 21:42 ` Steve Wise 2016-06-09 21:42 ` Steve Wise 2016-06-09 21:54 ` Ming Lin 2016-06-09 21:54 ` Ming Lin 2016-06-09 21:54 ` Ming Lin 2016-06-14 14:32 ` Christoph Hellwig 2016-06-14 14:32 ` Christoph Hellwig 2016-06-14 14:32 ` Christoph Hellwig 2016-06-09 23:03 ` Steve Wise 2016-06-09 23:03 ` Steve Wise 2016-06-09 23:03 ` Steve Wise 2016-06-14 14:31 ` Christoph Hellwig 2016-06-14 14:31 ` Christoph Hellwig 2016-06-14 14:31 ` Christoph Hellwig 2016-06-14 15:14 ` Steve Wise 2016-06-14 15:14 ` Steve Wise 2016-06-14 15:14 ` Steve Wise [not found] ` <00ea01d1c64f$64db8880$2e929980$@opengridcomputing.com> 2016-06-14 15:23 ` Steve Wise 2016-06-14 15:23 ` Steve Wise 2016-06-14 15:23 ` Steve Wise 2016-06-14 16:10 ` Steve Wise 2016-06-14 16:10 ` Steve Wise 2016-06-14 16:10 ` Steve Wise 2016-06-14 16:22 ` Steve Wise 2016-06-14 16:22 ` Steve Wise 2016-06-14 16:22 ` Steve Wise 2016-06-15 18:32 ` Sagi Grimberg 2016-06-15 18:32 ` Sagi Grimberg 2016-06-15 18:32 ` Sagi Grimberg 2016-06-14 16:47 ` Hefty, Sean 2016-06-14 16:47 ` Hefty, Sean 2016-06-14 16:47 ` Hefty, Sean 2016-06-06 21:23 ` [PATCH 5/5] nvme-rdma: add a NVMe over Fabrics RDMA host driver Christoph Hellwig 2016-06-06 21:23 ` Christoph Hellwig 2016-06-07 12:00 ` Sagi Grimberg 2016-06-07 12:00 ` Sagi Grimberg 2016-06-07 12:00 ` Sagi Grimberg 2016-06-07 14:47 ` Keith Busch 2016-06-07 14:47 ` Keith Busch 2016-06-07 15:15 ` Freyensee, James P 2016-06-07 15:15 ` Freyensee, James P 2016-06-07 15:15 ` Freyensee, James P 2016-06-07 11:57 ` NVMe over Fabrics RDMA transport drivers Sagi Grimberg 2016-06-07 11:57 ` Sagi Grimberg 2016-06-07 12:01 ` Christoph Hellwig 2016-06-07 12:01 ` Christoph Hellwig 2016-06-07 12:01 ` Christoph Hellwig 2016-06-07 14:55 ` Woodruff, Robert J 2016-06-07 14:55 ` Woodruff, Robert J 2016-06-07 14:55 ` Woodruff, Robert J 2016-06-07 20:14 ` Steve Wise 2016-06-07 20:14 ` Steve Wise 2016-06-07 20:27 ` Christoph Hellwig 2016-06-07 20:27 ` Christoph Hellwig 2016-07-06 12:55 NVMe over Fabrics RDMA transport drivers V2 Christoph Hellwig 2016-07-06 12:55 ` [PATCH 3/5] nvme-rdma.h: Add includes for nvme rdma_cm negotiation Christoph Hellwig 2016-07-06 12:55 ` Christoph Hellwig 2016-07-06 12:55 ` Christoph Hellwig 2016-07-08 13:49 ` Steve Wise 2016-07-08 13:49 ` Steve Wise 2016-07-08 13:49 ` Steve Wise
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