From: Tetsuya Mukawa <mukawa@igel.co.jp>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v7 06/12] eal: Add pci_uio_alloc_resource()
Date: Fri, 03 Jul 2015 17:52:11 +0900 [thread overview]
Message-ID: <55964D3B.6020507@igel.co.jp> (raw)
In-Reply-To: <20150702104637.GC3828@bricha3-MOBL3>
On 2015/07/02 19:46, Bruce Richardson wrote:
> On Tue, Jun 30, 2015 at 05:24:22PM +0900, Tetsuya Mukawa wrote:
>> From: "Tetsuya.Mukawa" <mukawa@igel.co.jp>
>>
>> This patch adds a new function called pci_uio_alloc_resource().
>> The function hides how to prepare uio resource in linuxapp and bsdapp.
>> With the function, pci_uio_map_resource() will be more abstracted.
>>
>> Signed-off-by: Tetsuya Mukawa <mukawa@igel.co.jp>
>> ---
>> lib/librte_eal/bsdapp/eal/eal_pci.c | 70 +++++++++++++++++++---------
>> lib/librte_eal/linuxapp/eal/eal_pci_uio.c | 77 ++++++++++++++++++++++---------
>> 2 files changed, 104 insertions(+), 43 deletions(-)
>>
>> diff --git a/lib/librte_eal/bsdapp/eal/eal_pci.c b/lib/librte_eal/bsdapp/eal/eal_pci.c
>> index 06c564f..7d2f8b5 100644
>> --- a/lib/librte_eal/bsdapp/eal/eal_pci.c
>> +++ b/lib/librte_eal/bsdapp/eal/eal_pci.c
>> @@ -189,28 +189,17 @@ pci_uio_map_secondary(struct rte_pci_device *dev)
>> return 1;
>> }
>>
>> -/* map the PCI resource of a PCI device in virtual memory */
>> static int
>> -pci_uio_map_resource(struct rte_pci_device *dev)
>> +pci_uio_alloc_resource(struct rte_pci_device *dev,
>> + struct mapped_pci_resource **uio_res)
> Rather than having to pass in a pointer to a pointer, why not change the
> return type to be "struct mapped_pci_resource *"? The only return values currently
> are 0 and -1, so those could map to non-NULL and NULL respectively, for error
> checking.
>
> /Bruce
It might be difficult to do like above, because pci_uio_alloc_resource()
returns 0, -1 and 1 as return value so far.
Original pci_uio_map_resource() returns negative return value as error,
and positive value as driver not found.
So I follow this specification while implementing the function.
Tetsuya
next prev parent reply other threads:[~2015-07-03 8:52 UTC|newest]
Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-19 5:54 [dpdk-dev] [PATCH v4 0/5] Clean up pci uio implementations Tetsuya Mukawa
2015-05-19 5:54 ` [dpdk-dev] [PATCH v4 1/5] eal: Fix coding style of eal_pci.c and eal_pci_uio.c Tetsuya Mukawa
2015-05-19 14:51 ` Stephen Hemminger
2015-06-25 3:19 ` [dpdk-dev] [PATCH v5 0/5] Clean up pci uio implementations Tetsuya Mukawa
2015-06-25 3:19 ` [dpdk-dev] [PATCH v5 1/5] eal: Fix coding style of eal_pci.c and eal_pci_uio.c Tetsuya Mukawa
2015-06-25 9:16 ` David Marchand
2015-06-25 3:19 ` [dpdk-dev] [PATCH v5 2/5] eal: Close file descriptor of uio configuration Tetsuya Mukawa
2015-06-25 3:19 ` [dpdk-dev] [PATCH v5 3/5] eal: Fix memory leaks and needless increment of pci_map_addr Tetsuya Mukawa
2015-06-25 9:16 ` David Marchand
2015-06-26 1:30 ` Tetsuya Mukawa
2015-06-25 9:18 ` David Marchand
2015-06-26 1:35 ` Tetsuya Mukawa
2015-06-26 8:18 ` [dpdk-dev] [PATCH v6 0/5] Clean up pci uio implementations Tetsuya Mukawa
2015-06-26 8:18 ` [dpdk-dev] [PATCH v6 1/5] eal: Fix coding style of eal_pci.c and eal_pci_uio.c Tetsuya Mukawa
2015-06-26 14:30 ` Iremonger, Bernard
2015-06-26 8:18 ` [dpdk-dev] [PATCH v6 2/5] eal: Close file descriptor of uio configuration Tetsuya Mukawa
2015-06-26 14:32 ` Iremonger, Bernard
2015-06-26 8:18 ` [dpdk-dev] [PATCH v6 3/5] eal: Fix memory leaks and needless increment of pci_map_addr Tetsuya Mukawa
2015-06-26 14:34 ` Iremonger, Bernard
2015-06-30 8:24 ` [dpdk-dev] [PATCH v7 00/12] Clean up pci uio implementations Tetsuya Mukawa
2015-06-30 8:24 ` [dpdk-dev] [PATCH v7 01/12] eal: Fix coding style of eal_pci.c and eal_pci_uio.c Tetsuya Mukawa
2015-06-30 8:24 ` [dpdk-dev] [PATCH v7 02/12] eal: Close file descriptor of uio configuration Tetsuya Mukawa
2015-06-30 8:24 ` [dpdk-dev] [PATCH v7 03/12] eal: Fix memory leaks and needless increment of pci_map_addr Tetsuya Mukawa
2015-06-30 12:33 ` Iremonger, Bernard
2015-07-02 9:57 ` Bruce Richardson
2015-07-03 8:51 ` Tetsuya Mukawa
2015-06-30 8:24 ` [dpdk-dev] [PATCH v7 04/12] eal/bsdapp: Change names of pci related data structure Tetsuya Mukawa
2015-06-30 12:36 ` Iremonger, Bernard
2015-06-30 8:24 ` [dpdk-dev] [PATCH v7 05/12] eal: Fix uio mapping differences between linuxapp and bsdapp Tetsuya Mukawa
2015-06-30 12:51 ` Iremonger, Bernard
2015-07-02 10:20 ` Bruce Richardson
2015-07-03 8:51 ` Tetsuya Mukawa
2015-06-30 8:24 ` [dpdk-dev] [PATCH v7 06/12] eal: Add pci_uio_alloc_resource() Tetsuya Mukawa
2015-07-02 10:46 ` Bruce Richardson
2015-07-03 8:52 ` Tetsuya Mukawa [this message]
2015-07-03 9:45 ` Bruce Richardson
2015-06-30 8:24 ` [dpdk-dev] [PATCH v7 07/12] eal: Add pci_uio_map_resource_by_index() Tetsuya Mukawa
2015-06-30 8:24 ` [dpdk-dev] [PATCH v7 08/12] eal: Consolidate pci_map and mapped_pci_resource of linuxapp and bsdapp Tetsuya Mukawa
2015-06-30 14:25 ` Iremonger, Bernard
2015-06-30 8:24 ` [dpdk-dev] [PATCH v7 09/12] eal: Consolidate pci_map/unmap_resource() " Tetsuya Mukawa
2015-06-30 14:28 ` Iremonger, Bernard
2015-07-02 11:11 ` Bruce Richardson
2015-07-03 8:52 ` Tetsuya Mukawa
2015-06-30 8:24 ` [dpdk-dev] [PATCH v7 10/12] eal: Consolidate pci uio functions " Tetsuya Mukawa
2015-06-30 8:24 ` [dpdk-dev] [PATCH v7 11/12] eal: Consolidate pci_map/unmap_device() " Tetsuya Mukawa
2015-06-30 14:45 ` Iremonger, Bernard
2015-07-06 6:24 ` [dpdk-dev] [PATCH v8 00/12] Clean up pci uio implementations Tetsuya Mukawa
2015-07-06 6:24 ` [dpdk-dev] [PATCH v8 01/12] eal: Fix coding style of eal_pci.c and eal_pci_uio.c Tetsuya Mukawa
2015-07-07 8:04 ` David Marchand
2015-07-08 2:42 ` Tetsuya Mukawa
2015-07-06 6:24 ` [dpdk-dev] [PATCH v8 02/12] eal: Close file descriptor of uio configuration Tetsuya Mukawa
2015-07-07 8:04 ` David Marchand
2015-07-06 6:24 ` [dpdk-dev] [PATCH v8 03/12] eal: Fix memory leaks and needless increment of pci_map_addr Tetsuya Mukawa
2015-07-07 8:04 ` David Marchand
2015-07-08 2:42 ` Tetsuya Mukawa
2015-07-06 6:24 ` [dpdk-dev] [PATCH v8 04/12] eal/bsdapp: Change names of pci related data structure Tetsuya Mukawa
2015-07-07 8:04 ` David Marchand
2015-07-06 6:24 ` [dpdk-dev] [PATCH v8 05/12] eal: Fix uio mapping differences between linuxapp and bsdapp Tetsuya Mukawa
2015-07-07 8:04 ` David Marchand
2015-07-08 2:42 ` Tetsuya Mukawa
2015-07-06 6:24 ` [dpdk-dev] [PATCH v8 06/12] eal: Add pci_uio_alloc_resource() Tetsuya Mukawa
2015-07-07 8:04 ` David Marchand
2015-07-08 2:42 ` Tetsuya Mukawa
2015-07-06 6:24 ` [dpdk-dev] [PATCH v8 07/12] eal: Add pci_uio_map_resource_by_index() Tetsuya Mukawa
2015-07-07 8:05 ` David Marchand
2015-07-08 2:42 ` Tetsuya Mukawa
2015-07-06 6:24 ` [dpdk-dev] [PATCH v8 08/12] eal: Consolidate pci_map and mapped_pci_resource of linuxapp and bsdapp Tetsuya Mukawa
2015-07-07 8:05 ` David Marchand
2015-07-06 6:24 ` [dpdk-dev] [PATCH v8 09/12] eal: Consolidate pci_map/unmap_resource() " Tetsuya Mukawa
2015-07-07 8:05 ` David Marchand
2015-07-06 6:24 ` [dpdk-dev] [PATCH v8 10/12] eal: Consolidate pci uio functions " Tetsuya Mukawa
2015-07-07 8:07 ` David Marchand
2015-07-06 6:24 ` [dpdk-dev] [PATCH v8 11/12] eal: Consolidate pci_map/unmap_device() " Tetsuya Mukawa
2015-07-07 8:06 ` David Marchand
2015-07-08 2:42 ` Tetsuya Mukawa
2015-07-08 8:27 ` Thomas Monjalon
2015-07-08 8:50 ` Tetsuya Mukawa
2015-07-06 6:24 ` [dpdk-dev] [PATCH v8 12/12] eal: Consolidate rte_eal_pci_probe/close_one_driver() " Tetsuya Mukawa
2015-07-07 8:07 ` David Marchand
2015-07-08 10:34 ` [dpdk-dev] [PATCH v9 00/12] Clean up pci uio implementations Tetsuya Mukawa
2015-07-08 10:34 ` [dpdk-dev] [PATCH v9 01/12] eal: Fix coding style of eal_pci.c and eal_pci_uio.c Tetsuya Mukawa
2015-07-08 16:09 ` Stephen Hemminger
2015-07-08 20:30 ` Thomas Monjalon
2015-07-09 1:09 ` Tetsuya Mukawa
2015-07-08 10:34 ` [dpdk-dev] [PATCH v9 02/12] eal: Close file descriptor of uio configuration Tetsuya Mukawa
2015-07-08 10:34 ` [dpdk-dev] [PATCH v9 03/12] eal: Fix memory leaks and needless increment of pci_map_addr Tetsuya Mukawa
2015-07-08 10:34 ` [dpdk-dev] [PATCH v9 04/12] eal/bsdapp: Change names of pci related data structure Tetsuya Mukawa
2015-07-08 10:34 ` [dpdk-dev] [PATCH v9 05/12] eal: Fix uio mapping differences between linuxapp and bsdapp Tetsuya Mukawa
2015-07-08 10:34 ` [dpdk-dev] [PATCH v9 06/12] eal: Add pci_uio_alloc/free_resource() Tetsuya Mukawa
2015-07-08 10:34 ` [dpdk-dev] [PATCH v9 07/12] eal: Add pci_uio_map_resource_by_index() Tetsuya Mukawa
2015-07-08 10:34 ` [dpdk-dev] [PATCH v9 08/12] eal: Consolidate pci_map and mapped_pci_resource of linuxapp and bsdapp Tetsuya Mukawa
2015-07-08 10:34 ` [dpdk-dev] [PATCH v9 09/12] eal: Consolidate pci_map/unmap_resource() " Tetsuya Mukawa
2015-07-08 10:34 ` [dpdk-dev] [PATCH v9 10/12] eal: Consolidate pci uio functions " Tetsuya Mukawa
2015-07-08 10:34 ` [dpdk-dev] [PATCH v9 11/12] eal: Consolidate pci_map/unmap_device() " Tetsuya Mukawa
2015-07-08 10:34 ` [dpdk-dev] [PATCH v9 12/12] eal: Consolidate rte_eal_pci_probe/close_one_driver() " Tetsuya Mukawa
2015-07-08 12:36 ` [dpdk-dev] [PATCH v9 00/12] Clean up pci uio implementations David Marchand
2015-07-08 21:52 ` Thomas Monjalon
2015-06-30 8:24 ` [dpdk-dev] [PATCH v7 12/12] eal: Consolidate rte_eal_pci_probe/close_one_driver() of linuxapp and bsdapp Tetsuya Mukawa
2015-06-30 14:56 ` Iremonger, Bernard
2015-07-01 6:39 ` Tetsuya Mukawa
2015-07-02 11:32 ` [dpdk-dev] [PATCH v7 00/12] Clean up pci uio implementations Bruce Richardson
2015-07-03 8:52 ` Tetsuya Mukawa
2015-06-26 8:18 ` [dpdk-dev] [PATCH v6 4/5] eal/bsdapp: Change names of pci related data structure Tetsuya Mukawa
2015-06-26 14:36 ` Iremonger, Bernard
2015-06-26 8:18 ` [dpdk-dev] [PATCH v6 5/5] eal: Fix uio mapping differences between linuxapp and bsdapp Tetsuya Mukawa
2015-06-26 14:42 ` Iremonger, Bernard
2015-06-25 3:19 ` [dpdk-dev] [PATCH v5 4/5] eal/bsdapp: Change names of pci related data structure Tetsuya Mukawa
2015-06-25 9:19 ` David Marchand
2015-06-25 3:19 ` [dpdk-dev] [PATCH v5 5/5] eal: Fix uio mapping differences between linuxapp and bsdapp Tetsuya Mukawa
2015-05-19 5:54 ` [dpdk-dev] [PATCH v4 2/5] eal: Close file descriptor of uio configuration Tetsuya Mukawa
2015-05-19 16:02 ` Stephen Hemminger
2015-05-19 5:54 ` [dpdk-dev] [PATCH v4 3/5] eal: Fix memory leaks and needless increment of pci_map_addr Tetsuya Mukawa
2015-06-15 14:29 ` Iremonger, Bernard
2015-06-15 15:05 ` Iremonger, Bernard
2015-05-19 5:54 ` [dpdk-dev] [PATCH v4 4/5] eal/bsdapp: Change names of pci related data structure Tetsuya Mukawa
2015-05-19 5:54 ` [dpdk-dev] [PATCH v4 5/5] eal: Fix uio mapping differences between linuxapp and bsdapp Tetsuya Mukawa
2015-06-15 14:31 ` Iremonger, Bernard
2015-06-15 15:08 ` Iremonger, Bernard
2015-06-15 15:17 ` Thomas Monjalon
2015-05-19 5:57 ` [dpdk-dev] [PATCH v4 0/5] Clean up pci uio implementations Tetsuya Mukawa
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