23 lines
810 B
Diff
23 lines
810 B
Diff
When creating a new user context, exit if the kernel
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does not support XRC. (OFED libmlx4 has a compatibility problem).
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Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
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Index: libmlx4/src/mlx4.c
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===================================================================
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--- libmlx4.orig/src/mlx4.c 2009-05-10 12:16:33.000000000 +0300
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+++ libmlx4/src/mlx4.c 2009-05-10 12:30:06.000000000 +0300
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@@ -190,6 +190,12 @@
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context->max_qp_wr = dev_attrs.max_qp_wr;
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context->max_sge = dev_attrs.max_sge;
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context->max_cqe = dev_attrs.max_cqe;
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+ if (!(dev_attrs.device_cap_flags & IBV_DEVICE_XRC)) {
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+ fprintf(stderr, PFX "There is a mismatch between "
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+ "the kernel and the userspace libraries: "
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+ "Kernel does not support XRC. Exiting.\n");
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+ goto query_free;
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+ }
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return &context->ibv_ctx;
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