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* [PATCH] rdma-core: Recognize IBV_DEVICE_LOCAL_DMA_LKEY in ibv_devinfo
@ 2019-11-25 15:22 Andrew Boyer
  2019-11-25 17:56 ` Jason Gunthorpe
  0 siblings, 1 reply; 4+ messages in thread
From: Andrew Boyer @ 2019-11-25 15:22 UTC (permalink / raw)
  To: linux-rdma; +Cc: Andrew Boyer, allenbh

This bit is defined in the kernel but not displayed by ibv_devinfo.

Signed-off-by: Andrew Boyer <aboyer@pensando.io>
---
 libibverbs/examples/devinfo.c | 3 +++
 libibverbs/verbs.h            | 1 +
 2 files changed, 4 insertions(+)

diff --git a/libibverbs/examples/devinfo.c b/libibverbs/examples/devinfo.c
index bf53eac2..e3210f6e 100644
--- a/libibverbs/examples/devinfo.c
+++ b/libibverbs/examples/devinfo.c
@@ -220,6 +220,7 @@ static void print_device_cap_flags(uint32_t dev_cap_flags)
 				   IBV_DEVICE_RC_RNR_NAK_GEN |
 				   IBV_DEVICE_SRQ_RESIZE |
 				   IBV_DEVICE_N_NOTIFY_CQ |
+				   IBV_DEVICE_LOCAL_DMA_LKEY |
 				   IBV_DEVICE_MEM_WINDOW |
 				   IBV_DEVICE_UD_IP_CSUM |
 				   IBV_DEVICE_XRC |
@@ -260,6 +261,8 @@ static void print_device_cap_flags(uint32_t dev_cap_flags)
 		printf("\t\t\t\t\tSRQ_RESIZE\n");
 	if (dev_cap_flags & IBV_DEVICE_N_NOTIFY_CQ)
 		printf("\t\t\t\t\tN_NOTIFY_CQ\n");
+	if (dev_cap_flags & IBV_DEVICE_LOCAL_DMA_LKEY)
+		printf("\t\t\t\t\tLOCAL_DMA_LKEY\n");
 	if (dev_cap_flags & IBV_DEVICE_MEM_WINDOW)
 		printf("\t\t\t\t\tMEM_WINDOW\n");
 	if (dev_cap_flags & IBV_DEVICE_UD_IP_CSUM)
diff --git a/libibverbs/verbs.h b/libibverbs/verbs.h
index 7b8d4310..81e5812c 100644
--- a/libibverbs/verbs.h
+++ b/libibverbs/verbs.h
@@ -112,6 +112,7 @@ enum ibv_device_cap_flags {
 	IBV_DEVICE_RC_RNR_NAK_GEN	= 1 << 12,
 	IBV_DEVICE_SRQ_RESIZE		= 1 << 13,
 	IBV_DEVICE_N_NOTIFY_CQ		= 1 << 14,
+	IBV_DEVICE_LOCAL_DMA_LKEY	= 1 << 15,
 	IBV_DEVICE_MEM_WINDOW           = 1 << 17,
 	IBV_DEVICE_UD_IP_CSUM		= 1 << 18,
 	IBV_DEVICE_XRC			= 1 << 20,
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2019-11-25 20:08 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-11-25 15:22 [PATCH] rdma-core: Recognize IBV_DEVICE_LOCAL_DMA_LKEY in ibv_devinfo Andrew Boyer
2019-11-25 17:56 ` Jason Gunthorpe
2019-11-25 19:32   ` Andrew Boyer
2019-11-25 20:08     ` Jason Gunthorpe

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