[openib-general] [PATCH] incorrect atomic attribute returned by ib/v_query_device

[Jack Morgenstein]

I'm starting to fix ib_query_device/ibv_query_device -- adding missing fields,
correcting values in current fields.

Enclosed is a patch for the atomic_cap field.  Please review.
Thanks.

Jack

Signed-off-by: Jack Morgenstein <jackm at mellanox.co.il>

Index: linux-kernel/infiniband/core/uverbs_cmd.c
===================================================================
--- linux-kernel/infiniband/core/uverbs_cmd.c	(revision 3532)
+++ linux-kernel/infiniband/core/uverbs_cmd.c	(working copy)
@@ -199,6 +199,7 @@
 	resp.max_pkeys 		       = attr.max_pkeys;
 	resp.local_ca_ack_delay        = attr.local_ca_ack_delay;
 	resp.phys_port_cnt	       = file->device->ib_dev->phys_port_cnt;
+	resp.atomic_cap                = attr.atomic_cap;
 
 	if (copy_to_user((void __user *) (unsigned long) cmd.response,
 			 &resp, sizeof resp))
Index: linux-kernel/infiniband/hw/mthca/mthca_dev.h
===================================================================
--- linux-kernel/infiniband/hw/mthca/mthca_dev.h	(revision 3532)
+++ linux-kernel/infiniband/hw/mthca/mthca_dev.h	(working copy)
@@ -148,6 +148,7 @@
 	int      reserved_mcgs;
 	int      num_pds;
 	int      reserved_pds;
+	u32      flags;
 	u8       port_width_cap;
 };
 
Index: linux-kernel/infiniband/hw/mthca/mthca_main.c
===================================================================
--- linux-kernel/infiniband/hw/mthca/mthca_main.c	(revision 3532)
+++ linux-kernel/infiniband/hw/mthca/mthca_main.c	(working copy)
@@ -172,6 +172,7 @@
 	mdev->limits.reserved_uars      = dev_lim->reserved_uars;
 	mdev->limits.reserved_pds       = dev_lim->reserved_pds;
 	mdev->limits.port_width_cap     = dev_lim->max_port_width;
+	mdev->limits.flags              = dev_lim->flags;
 
 	/* IB_DEVICE_RESIZE_MAX_WR not supported by driver.
 	   May be doable since hardware supports it for SRQ.
Index: linux-kernel/infiniband/hw/mthca/mthca_provider.c
===================================================================
--- linux-kernel/infiniband/hw/mthca/mthca_provider.c	(revision 3532)
+++ linux-kernel/infiniband/hw/mthca/mthca_provider.c	(working copy)
@@ -99,6 +99,8 @@
 	props->max_qp_rd_atom      = 1 << mdev->qp_table.rdb_shift;
 	props->max_qp_init_rd_atom = 1 << mdev->qp_table.rdb_shift;
 	props->local_ca_ack_delay  = mdev->limits.local_ca_ack_delay;
+	props->atomic_cap          = (mdev->limits.flags & DEV_LIM_FLAG_ATOMIC) ? 
+					IB_ATOMIC_HCA : IB_ATOMIC_NONE;
 
 	err = 0;
  out: