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From: Thomas Monjalon <thomas@monjalon.net>
To: Shreyansh Jain <shreyansh.jain@nxp.com>
Cc: dev@dpdk.org, ferruh.yigit@intel.com, anatoly.burakov@intel.com,
	pbhagavatula@caviumnetworks.com
Subject: Re: [PATCH v5 3/5] common/dpaax: add library for PA VA translation table
Date: Tue, 16 Oct 2018 01:17:47 +0200	[thread overview]
Message-ID: <2346030.H0sUSFOX6A@xps> (raw)
In-Reply-To: <20181015120156.27793-4-shreyansh.jain@nxp.com>

15/10/2018 14:01, Shreyansh Jain:
> A common library, valid for dpaaX drivers, which is used to maintain
> a local copy of PA->VA translations.
> 
> In case of physical addressing mode (one of the option for FSLMC, and
> only option for DPAA bus), the addresses of descriptors Rx'd are
> physical. These need to be converted into equivalent VA for rte_mbuf
> and other similar calls.
> 
> Using the rte_mem_virt2iova or rte_mem_virt2phy is expensive. This
> library is an attempt to reduce the overall cost associated with
> this translation.
> 
> A small table is maintained, containing continuous entries
> representing a continguous physical range. Each of these entries
> stores the equivalent VA, which is fed during mempool creation, or
> memory allocation/deallocation callbacks.
> 
> Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
> ---
>  config/common_base                            |   5 +
>  config/common_linuxapp                        |   5 +
>  drivers/common/Makefile                       |   4 +
>  drivers/common/dpaax/Makefile                 |  31 ++
>  drivers/common/dpaax/dpaax_iova_table.c       | 461 ++++++++++++++++++
>  drivers/common/dpaax/dpaax_iova_table.h       | 103 ++++
>  drivers/common/dpaax/dpaax_logs.h             |  39 ++
>  drivers/common/dpaax/meson.build              |  12 +
>  .../common/dpaax/rte_common_dpaax_version.map |  11 +
>  drivers/common/meson.build                    |   2 +-
>  10 files changed, 672 insertions(+), 1 deletion(-)

I will add this change when applying:

 NXP buses
 M: Hemant Agrawal <hemant.agrawal@nxp.com>
 M: Shreyansh Jain <shreyansh.jain@nxp.com>
+F: drivers/common/dpaax/
 F: drivers/bus/dpaa/
 F: drivers/bus/fslmc/

  reply	other threads:[~2018-10-15 23:17 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-25 12:54 [PATCH 0/5] Add a PA-VA Translation table for DPAAx Shreyansh Jain
2018-09-25 12:54 ` [PATCH 1/5] bus/fslmc: fix physical addressing check Shreyansh Jain
2018-09-25 12:54 ` [PATCH 2/5] drivers: common as dependency for bus Shreyansh Jain
2018-09-25 12:54 ` [PATCH 3/5] common/dpaax: add library for PA VA translation table Shreyansh Jain
2018-09-25 13:28   ` Burakov, Anatoly
2018-09-25 13:39     ` Shreyansh Jain
2018-09-25 13:51       ` Burakov, Anatoly
2018-09-25 14:00         ` Shreyansh Jain
2018-09-25 14:08           ` Burakov, Anatoly
2018-09-26 10:16             ` Burakov, Anatoly
2018-10-09 10:45       ` Shreyansh Jain
2018-10-11  9:03         ` Burakov, Anatoly
2018-10-11 10:02           ` Shreyansh Jain
2018-10-11 10:07             ` Shreyansh Jain
2018-10-11 10:13               ` Burakov, Anatoly
2018-10-11 10:39                 ` Shreyansh Jain
2018-10-11 10:46                   ` Burakov, Anatoly
2018-10-11 10:09             ` Burakov, Anatoly
2018-09-25 12:54 ` [PATCH 4/5] dpaa: enable dpaax library Shreyansh Jain
2018-09-25 12:54 ` [PATCH 5/5] fslmc: " Shreyansh Jain
2018-10-09 11:25 ` [PATCH v2 0/5] Add a PA-VA Translation table for DPAAx Shreyansh Jain
2018-10-09 11:25   ` [PATCH v2 1/5] bus/fslmc: fix physical addressing check Shreyansh Jain
2018-10-12  9:01     ` Pavan Nikhilesh
2018-10-12 10:44       ` Shreyansh Jain
2018-10-12 16:29         ` Pavan Nikhilesh
2018-10-09 11:25   ` [PATCH v2 2/5] drivers: common as dependency for bus Shreyansh Jain
2018-10-09 11:25   ` [PATCH v2 3/5] common/dpaax: add library for PA VA translation table Shreyansh Jain
2018-10-09 11:25   ` [PATCH v2 4/5] dpaa: enable dpaax library Shreyansh Jain
2018-10-09 11:25   ` [PATCH v2 5/5] fslmc: " Shreyansh Jain
2018-10-13 12:21   ` [PATCH v3 0/5] Add a PA-VA Translation table for DPAAx Shreyansh Jain
2018-10-13 12:21     ` [PATCH v3 1/5] bus/fslmc: fix physical addressing check Shreyansh Jain
2018-10-13 16:08       ` Pavan Nikhilesh
2018-10-15  6:36         ` Shreyansh Jain
2018-10-13 12:21     ` [PATCH v3 2/5] drivers: common as dependency for bus Shreyansh Jain
2018-10-13 12:21     ` [PATCH v3 3/5] common/dpaax: add library for PA VA translation table Shreyansh Jain
2018-10-13 12:21     ` [PATCH v3 4/5] dpaa: enable dpaax library Shreyansh Jain
2018-10-13 12:21     ` [PATCH v3 5/5] fslmc: " Shreyansh Jain
2018-10-15  6:41     ` [PATCH v4 0/5] Add a PA-VA Translation table for DPAAx Shreyansh Jain
2018-10-15  6:41       ` [PATCH v4 1/5] bus/fslmc: fix physical addressing check Shreyansh Jain
2018-10-15  6:41       ` [PATCH v4 2/5] drivers: common as dependency for bus Shreyansh Jain
2018-10-15  6:42       ` [PATCH v4 3/5] common/dpaax: add library for PA VA translation table Shreyansh Jain
2018-10-15  6:42       ` [PATCH v4 4/5] dpaa: enable dpaax library Shreyansh Jain
2018-10-15  6:42       ` [PATCH v4 5/5] fslmc: " Shreyansh Jain
2018-10-15 12:01       ` [PATCH v5 0/5] Shreyansh Jain
2018-10-15 12:01         ` [PATCH v5 1/5] bus/fslmc: fix physical addressing check Shreyansh Jain
2018-10-16 10:02           ` Thomas Monjalon
2018-10-15 12:01         ` [PATCH v5 2/5] drivers: common as dependency for bus Shreyansh Jain
2018-10-15 12:01         ` [PATCH v5 3/5] common/dpaax: add library for PA VA translation table Shreyansh Jain
2018-10-15 23:17           ` Thomas Monjalon [this message]
2018-10-15 12:01         ` [PATCH v5 4/5] dpaa: enable dpaax library Shreyansh Jain
2018-10-15 12:01         ` [PATCH v5 5/5] fslmc: " Shreyansh Jain
2018-10-16 10:18         ` [PATCH v5 0/5] Thomas Monjalon

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