From: longli@linuxonhyperv•com
To: "K. Y. Srinivasan" <kys@microsoft•com>,
Haiyang Zhang <haiyangz@microsoft•com>,
Stephen Hemminger <sthemmin@microsoft•com>,
Wei Liu <wei.liu@kernel•org>, Dexuan Cui <decui@microsoft•com>,
"David S. Miller" <davem@davemloft•net>,
Jakub Kicinski <kuba@kernel•org>, Paolo Abeni <pabeni@redhat•com>,
Jason Gunthorpe <jgg@ziepe•ca>, Leon Romanovsky <leon@kernel•org>,
edumazet@google•com, shiraz.saleem@intel•com,
Ajay Sharma <sharmaajay@microsoft•com>
Cc: linux-hyperv@vger•kernel.org, netdev@vger•kernel.org,
linux-kernel@vger•kernel.org, linux-rdma@vger•kernel.org,
Long Li <longli@microsoft•com>
Subject: [Patch v3 11/12] net: mana: Define and process GDMA response code GDMA_STATUS_MORE_ENTRIES
Date: Sun, 12 Jun 2022 14:14:53 -0700 [thread overview]
Message-ID: <1655068494-16440-12-git-send-email-longli@linuxonhyperv.com> (raw)
In-Reply-To: <1655068494-16440-1-git-send-email-longli@linuxonhyperv.com>
From: Ajay Sharma <sharmaajay@microsoft•com>
When doing memory registration, the PF may respond with
GDMA_STATUS_MORE_ENTRIES to indicate a follow request is needed. This is
not an error and should be processed as expected.
Signed-off-by: Ajay Sharma <sharmaajay@microsoft•com>
Signed-off-by: Long Li <longli@microsoft•com>
---
drivers/net/ethernet/microsoft/mana/hw_channel.c | 2 +-
include/net/mana/gdma.h | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/microsoft/mana/hw_channel.c b/drivers/net/ethernet/microsoft/mana/hw_channel.c
index e61cb3f6fbe1..24ecd193a185 100644
--- a/drivers/net/ethernet/microsoft/mana/hw_channel.c
+++ b/drivers/net/ethernet/microsoft/mana/hw_channel.c
@@ -820,7 +820,7 @@ int mana_hwc_send_request(struct hw_channel_context *hwc, u32 req_len,
goto out;
}
- if (ctx->status_code) {
+ if (ctx->status_code && ctx->status_code != GDMA_STATUS_MORE_ENTRIES) {
dev_err(hwc->dev, "HWC: Failed hw_channel req: 0x%x\n",
ctx->status_code);
err = -EPROTO;
diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h
index ef5de92dd98d..0485902d96c9 100644
--- a/include/net/mana/gdma.h
+++ b/include/net/mana/gdma.h
@@ -9,6 +9,8 @@
#include "shm_channel.h"
+#define GDMA_STATUS_MORE_ENTRIES 0x00000105
+
/* Structures labeled with "HW DATA" are exchanged with the hardware. All of
* them are naturally aligned and hence don't need __packed.
*/
--
2.17.1
next prev parent reply other threads:[~2022-06-12 21:15 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-12 21:14 [Patch v3 00/12] Introduce Microsoft Azure Network Adapter (MANA) RDMA driver longli
2022-06-12 21:14 ` [Patch v3 01/12] net: mana: Add support for auxiliary device longli
2022-06-12 21:14 ` [Patch v3 02/12] net: mana: Record the physical address for doorbell page region longli
2022-06-12 21:14 ` [Patch v3 03/12] net: mana: Handle vport sharing between devices longli
2022-06-13 10:50 ` David Miller
2022-06-13 18:25 ` Long Li
2022-06-12 21:14 ` [Patch v3 04/12] net: mana: Add functions for allocating doorbell page from GDMA longli
2022-06-12 21:14 ` [Patch v3 05/12] net: mana: Set the DMA device max segment size longli
2022-06-12 21:14 ` [Patch v3 06/12] net: mana: Define data structures for protection domain and memory registration longli
2022-06-12 21:14 ` [Patch v3 07/12] net: mana: Export Work Queue functions for use by RDMA driver longli
2022-06-12 21:14 ` [Patch v3 08/12] net: mana: Record port number in netdev longli
2022-06-12 21:14 ` [Patch v3 09/12] net: mana: Move header files to a common location longli
2022-06-12 21:14 ` [Patch v3 10/12] net: mana: Define max values for SGL entries longli
2022-06-12 21:14 ` longli [this message]
2022-06-12 21:14 ` [Patch v3 12/12] RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter longli
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