From: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Roland Dreier <roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Jack Morgenstein
<jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org, "Marciniszyn,
Mike" <mike.marciniszyn-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"Mascarenhas,
Edward"
<edward.mascarenhas-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH for-next V2 03/22] IB/core: Add ib_find_exact_cached_pkey() to search for 16-bit pkey match
Date: Tue, 11 Sep 2012 16:34:44 -0400 [thread overview]
Message-ID: <504FA064.6040002@redhat.com> (raw)
In-Reply-To: <CAL1RGDW6D25s+R8HuxK-DMrsS_wvKDTL+LSp2X-TK8gB8Vm2Fg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
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On 9/11/2012 3:07 PM, Roland Dreier wrote:
> On Tue, Sep 11, 2012 at 10:12 AM, Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> wrote:
>> As a second note, I would like to know why Intel (previously QLogic)
>> does not use these functions in their driver and what it would take to
>> get all drivers to use the functions. Do we need to add more to them?
>> In my opinion these should be generally useful and used by all drivers.
>
> Use which functions? The P_Key lookup functions?
>
> What would a low-level driver use them for? I thought these are for
> use by upper-level protocols.
Well, at this point, the mlx4 driver uses them, the rdmacm kernel driver
uses them, and both QLogic/Intel drivers have their own internal pkey
table implementation. So, it isn't so much upper layer as it is drivers.
--
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
GPG KeyID: 0E572FDD
http://people.redhat.com/dledford
Infiniband specific RPMs available at
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next prev parent reply other threads:[~2012-09-11 20:34 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-03 8:40 [PATCH for-next V2 00/22] Add SRIOV support for IB interfaces Jack Morgenstein
[not found] ` <1343983258-6268-1-git-send-email-jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2012-08-03 8:40 ` [PATCH for-next V2 01/22] IB/core: Reserve bits in enum ib_qp_create_flags for low-level driver use Jack Morgenstein
[not found] ` <1343983258-6268-2-git-send-email-jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2012-09-05 14:55 ` Doug Ledford
[not found] ` <504767EB.6090004-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-06 10:06 ` Jack Morgenstein
2012-09-24 19:34 ` Roland Dreier
[not found] ` <CAL1RGDXrJ+c2tgxYsLMZQVz+os7E3FZROMJ9D7oqPiQbdk1g7w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-25 8:28 ` Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 02/22] IB/core: change pkey table lookups to support full and partial membership for the same pkey Jack Morgenstein
[not found] ` <1343983258-6268-3-git-send-email-jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2012-09-11 16:52 ` Doug Ledford
[not found] ` <504F6C4F.6050207-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-12 7:56 ` Jack Morgenstein
[not found] ` <201209121056.00309.jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2012-09-12 16:48 ` Doug Ledford
[not found] ` <5050BCDD.50106-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-13 7:35 ` Jack Morgenstein
[not found] ` <201209131035.15318.jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2012-09-13 8:18 ` Or Gerlitz
2012-09-13 8:20 ` Or Gerlitz
2012-09-13 15:53 ` Or Gerlitz
[not found] ` <50520193.2010304-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2012-09-13 16:00 ` Or Gerlitz
2012-08-03 8:40 ` [PATCH for-next V2 03/22] IB/core: Add ib_find_exact_cached_pkey() to search for 16-bit pkey match Jack Morgenstein
[not found] ` <1343983258-6268-4-git-send-email-jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2012-09-11 16:53 ` Doug Ledford
2012-09-11 17:12 ` Doug Ledford
[not found] ` <504F70FB.6030806-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-11 19:07 ` Roland Dreier
[not found] ` <CAL1RGDW6D25s+R8HuxK-DMrsS_wvKDTL+LSp2X-TK8gB8Vm2Fg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-11 20:34 ` Doug Ledford [this message]
[not found] ` <504FA064.6040002-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-11 20:43 ` Roland Dreier
[not found] ` <CAL1RGDXpeK3KjrmzyivQs8FOs2dg5MqSmuVsdRE+bVD5OXe6BA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-11 22:51 ` Doug Ledford
2012-08-03 8:40 ` [PATCH for-next V2 04/22] IB/mlx4: SRIOV IB context objects and proxy/tunnel sqp support Jack Morgenstein
[not found] ` <1343983258-6268-5-git-send-email-jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2012-09-11 17:10 ` Doug Ledford
[not found] ` <504F7068.6020606-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-20 23:15 ` Or Gerlitz
[not found] ` <CAJZOPZ+-1EUpGozrG+XsyPmS0RL791zP0=7OT8JMsmhwgL7QPQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-21 7:42 ` Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 05/22] net/mlx4_core: Add proxy and tunnel QPs to the reserved QP area Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 06/22] IB/mlx4: Initialize SRIOV IB support for slaves in master context Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 07/22] {NET,IB}/mlx4: Implement QP paravirtualization and maintain phys_pkey_cache for smp_snoop Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 08/22] IB/mlx4: SRIOV multiplex and demultiplex MADs Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 09/22] {NET,IB}/mlx4: MAD_IFC paravirtualization Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 10/22] IB/mlx4: Added Multicast Groups (MCG) para-virtualization for SRIOV Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 11/22] IB/mlx4: Add CM paravirtualization Jack Morgenstein
[not found] ` <1343983258-6268-12-git-send-email-jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2012-09-24 19:33 ` Roland Dreier
2012-08-03 8:40 ` [PATCH for-next V2 12/22] net/mlx4_core: Add IB port-state machine, and port mgmt event propagation infrastructure Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 13/22] {NET,IB}/mlx4: Add alias_guid mechanism Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 14/22] IB/mlx4: Propagate pkey and guid change port management events to slaves Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 15/22] IB/mlx4: Add iov directory in sysfs under the ib device Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 16/22] net/mlx4_core: Adjustments to SET_PORT for SRIOV-IB Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 17/22] net/mlx4_core: INIT/CLOSE port logic for IB ports in SRIOV mode Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 18/22] IB/mlx4: Miscellaneous adjustments to SRIOV IB support Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 19/22] {NET,IB}/mlx4: Activate SRIOV mode for IB Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 20/22] {NET,IB}/mlx4: Paravirtualize Node Guids for slaves Jack Morgenstein
2012-08-03 8:40 ` [PATCH for-next V2 21/22] {NET,IB}/mlx4: Modify proxy/tunnel QP mechanism so that guests do no calculations Jack Morgenstein
[not found] ` <1343983258-6268-22-git-send-email-jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2012-09-22 10:25 ` Roland Dreier
2012-08-03 8:40 ` [PATCH for-next V2 22/22] IB/mlx4: Create pv contexts for active VFs when PF (master) ib driver initializes Jack Morgenstein
2012-08-03 9:00 ` [PATCH for-next V2 00/22] Add SRIOV support for IB interfaces Tziporet Koren
2012-08-12 9:34 ` Or Gerlitz
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