From: Bart Van Assche <bvanassche@acm.org>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Leon Romanovsky <leonro@mellanox.com>,
Doug Ledford <dledford@redhat.com>,
linux-rdma@vger.kernel.org, Bart Van Assche <bvanassche@acm.org>,
Christoph Hellwig <hch@lst.de>,
Bernard Metzler <bmt@zurich.ibm.com>
Subject: [PATCH 4/4] siw: Increase DMA max_segment_size parameter
Date: Sun, 20 Oct 2019 19:10:30 -0700 [thread overview]
Message-ID: <20191021021030.1037-5-bvanassche@acm.org> (raw)
In-Reply-To: <20191021021030.1037-1-bvanassche@acm.org>
Increase the DMA max_segment_size parameter from 64 KB to UINT_MAX.
Cc: Christoph Hellwig <hch@lst.de>
Cc: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
drivers/infiniband/sw/siw/siw.h | 1 +
drivers/infiniband/sw/siw/siw_main.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/drivers/infiniband/sw/siw/siw.h b/drivers/infiniband/sw/siw/siw.h
index dba4535494ab..1ea3ed249e7b 100644
--- a/drivers/infiniband/sw/siw/siw.h
+++ b/drivers/infiniband/sw/siw/siw.h
@@ -70,6 +70,7 @@ struct siw_pd {
struct siw_device {
struct ib_device base_dev;
+ struct device_dma_parameters dma_parms;
struct net_device *netdev;
struct siw_dev_cap attrs;
diff --git a/drivers/infiniband/sw/siw/siw_main.c b/drivers/infiniband/sw/siw/siw_main.c
index d1a1b7aa7d83..041496376047 100644
--- a/drivers/infiniband/sw/siw/siw_main.c
+++ b/drivers/infiniband/sw/siw/siw_main.c
@@ -402,6 +402,9 @@ static struct siw_device *siw_device_create(struct net_device *netdev)
base_dev->phys_port_cnt = 1;
base_dev->dev.parent = parent;
base_dev->dev.dma_ops = &dma_virt_ops;
+ base_dev->dev.dma_parms = &sdev->dma_parms;
+ sdev->dma_parms = (struct device_dma_parameters)
+ { .max_segment_size = UINT_MAX };
base_dev->num_comp_vectors = num_possible_cpus();
ib_set_device_ops(base_dev, &siw_device_ops);
--
2.23.0
next prev parent reply other threads:[~2019-10-21 2:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-21 2:10 [PATCH 0/4] Fixes related to the DMA max_segment_size parameter Bart Van Assche
2019-10-21 2:10 ` [PATCH 1/4] RDMA/core: Fix ib_dma_max_seg_size() Bart Van Assche
2019-10-21 14:09 ` Jason Gunthorpe
2019-10-21 15:03 ` Bart Van Assche
2019-10-21 15:27 ` Jason Gunthorpe
2019-10-21 15:56 ` Bart Van Assche
2019-10-21 2:10 ` [PATCH 2/4] RDMA/core: Set DMA parameters correctly Bart Van Assche
2019-10-21 14:10 ` Jason Gunthorpe
2019-10-21 16:26 ` Bart Van Assche
2019-10-21 17:44 ` Saleem, Shiraz
2019-10-21 18:10 ` Bart Van Assche
2019-10-21 20:32 ` Saleem, Shiraz
2019-10-22 14:40 ` Jason Gunthorpe
2019-10-22 22:11 ` Bart Van Assche
2019-10-21 2:10 ` [PATCH 3/4] rdma_rxe: Increase DMA max_segment_size parameter Bart Van Assche
2019-10-21 2:10 ` Bart Van Assche [this message]
2019-10-21 9:36 ` [PATCH 4/4] siw: " Bernard Metzler
2019-10-21 13:53 ` Bart Van Assche
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