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From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
To: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org,
	sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
	target-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH 03/13] IB/core: add a helper to check for READ WITH INVALIDATE support
Date: Sat, 27 Feb 2016 19:10:21 +0100	[thread overview]
Message-ID: <1456596631-19418-4-git-send-email-hch@lst.de> (raw)
In-Reply-To: <1456596631-19418-1-git-send-email-hch-jcswGhMUV9g@public.gmane.org>

Signed-off-by: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
---
 include/rdma/ib_verbs.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 2114929..267f11e 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2286,6 +2286,15 @@ static inline bool rdma_cap_roce_gid_table(const struct ib_device *device,
 		device->add_gid && device->del_gid;
 }
 
+/*
+ * Check if the device supports READ W/ INVALIDATE.
+ */
+static inline bool rdma_has_read_invalidate(struct ib_device *dev, u32 port_num)
+{
+	/* iWarp requires READ W/ INVALIDATE.  No other device supports it yet */
+	return rdma_protocol_iwarp(dev, port_num);
+}
+
 int ib_query_gid(struct ib_device *device,
 		 u8 port_num, int index, union ib_gid *gid,
 		 struct ib_gid_attr *attr);
-- 
2.1.4

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  parent reply	other threads:[~2016-02-27 18:10 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-27 18:10 RFC: a first draft of a generic RDMA READ/WRITE API Christoph Hellwig
     [not found] ` <1456596631-19418-1-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-02-27 18:10   ` [PATCH 01/13] IB/cma: pass the port number to ib_create_qp Christoph Hellwig
2016-02-27 18:10   ` [PATCH 02/13] IB/core: allow passing mapping an offset into the SG in ib_map_mr_sg Christoph Hellwig
     [not found]     ` <1456596631-19418-3-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-02-28 14:57       ` Sagi Grimberg
2016-02-28 16:20         ` Christoph Hellwig
2016-02-28 17:50           ` Sagi Grimberg
     [not found]             ` <56D33356.1020707-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2016-02-29 22:22               ` Steve Wise
2016-02-29 11:15         ` Christoph Hellwig
     [not found]           ` <20160229111557.GA11499-jcswGhMUV9g@public.gmane.org>
2016-02-29 11:35             ` Sagi Grimberg
2016-02-29 11:56               ` Christoph Hellwig
2016-02-29 12:08                 ` Sagi Grimberg
2016-02-27 18:10   ` Christoph Hellwig [this message]
2016-02-27 18:10   ` [PATCH 05/13] IB/core: add a simple MR pool Christoph Hellwig
2016-03-02  2:48     ` Parav Pandit
2016-03-02  9:15       ` Christoph Hellwig
2016-03-02 15:22         ` Bart Van Assche
     [not found]           ` <56D70543.1000506-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-03-03  8:30             ` Christoph Hellwig
2016-02-27 18:10   ` [PATCH 07/13] IB/core: generic RDMA READ/WRITE API Christoph Hellwig
2016-02-28 15:05     ` Sagi Grimberg
2016-02-27 18:10   ` [PATCH 08/13] IB/isert: properly type the login buffer Christoph Hellwig
2016-02-27 18:10   ` [PATCH 09/13] IB/isert: convert to new CQ API Christoph Hellwig
2016-02-27 18:10   ` [PATCH 10/13] IB/isert: kill struct isert_rdma_wr Christoph Hellwig
2016-02-27 18:10   ` [PATCH 12/13] IB/core: add a MR pool for signature MRs Christoph Hellwig
2016-02-27 18:10 ` [PATCH 04/13] IB/core: refactor ib_create_qp Christoph Hellwig
2016-02-27 18:10 ` [PATCH 06/13] IB/core: add a need_inval flag to struct ib_mr Christoph Hellwig
2016-02-28 15:10   ` Sagi Grimberg
2016-02-28 16:05     ` Christoph Hellwig
2016-02-27 18:10 ` [PATCH 11/13] IB/isert: the kill ->isert_cmd back pointer in the struct iser_tx_desc Christoph Hellwig
2016-02-27 18:10 ` [PATCH 13/13] IB/isert: RW API WIP Christoph Hellwig
2016-02-28 13:57   ` Sagi Grimberg
2016-02-28 16:04     ` Christoph Hellwig

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