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From: Junlong Wang <wang.junlong1@zte.com.cn>
To: thomas@monjalon.net
Cc: dev@dpdk.org, ferruh.yigit@amd.com, stephen@networkplumber.org,
	wang.yong19@zte.com.cn
Subject: Re: [PATCH v6 5/9] net/zxdh: add msg chan enable implementation
Date: Mon, 21 Oct 2024 18:56:36 +0800	[thread overview]
Message-ID: <20241021105636.2071372-1-wang.junlong1@zte.com.cn> (raw)
In-Reply-To: <20241016081824.1808433-4-wang.junlong1@zte.com.cn>


[-- Attachment #1.1.1: Type: text/plain, Size: 698 bytes --]

>> Add msg chan enable implementation to support
>> send msg to get infos.

> Would be interesting to explain which module is receiving the message.	

  Send messages to the backend (device side) to obtain information.



> I am curious about the spinlock function below.
> What is it doing exactly?

>> +static int32_t zxdh_spinlock_lock(uint32_t virt_lock_id, uint64_t virt_addr,
>> +					uint64_t label_addr, uint16_t primary_id)
>> +{
>> +	uint32_t lock_rd_cnt = 0;
>> +
>> +	do {
>> +		/* read to lock */
>> +		uint8_t spl_val = spinklock_read(virt_addr, virt_lock_id);


   Using locks to ensure message consistency when accessing backend information for multiple pf/vf.

[-- Attachment #1.1.2: Type: text/html , Size: 1596 bytes --]

  parent reply	other threads:[~2024-10-21 11:00 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-10 12:00 [PATCH v4] net/zxdh: Provided zxdh basic init Junlong Wang
2024-09-24  1:35 ` [v4] " Junlong Wang
2024-09-25 22:39 ` [PATCH v4] " Ferruh Yigit
2024-09-26  6:49 ` [v4] " Junlong Wang
2024-10-07 21:43 ` [PATCH v4] " Stephen Hemminger
2024-10-15  5:43 ` [PATCH v5 0/9] net/zxdh: introduce net zxdh driver Junlong Wang
2024-10-15  5:43   ` [PATCH v5 1/9] net/zxdh: add zxdh ethdev pmd driver Junlong Wang
2024-10-15  5:44     ` [PATCH v5 2/9] net/zxdh: add logging implementation Junlong Wang
2024-10-15  5:44       ` [PATCH v5 3/9] net/zxdh: add zxdh device pci init implementation Junlong Wang
2024-10-15  5:44       ` [PATCH v5 4/9] net/zxdh: add msg chan and msg hwlock init Junlong Wang
2024-10-15  5:44       ` [PATCH v5 5/9] net/zxdh: add msg chan enable implementation Junlong Wang
2024-10-15  5:44       ` [PATCH v5 6/9] net/zxdh: add zxdh get device backend infos Junlong Wang
2024-10-15  5:44       ` [PATCH v5 7/9] net/zxdh: add configure zxdh intr implementation Junlong Wang
2024-10-15  5:44       ` [PATCH v5 8/9] net/zxdh: add zxdh dev infos get ops Junlong Wang
2024-10-15  5:44       ` [PATCH v5 9/9] net/zxdh: add zxdh dev configure ops Junlong Wang
2024-10-15 15:37         ` Stephen Hemminger
2024-10-15 15:57         ` Stephen Hemminger
2024-10-16  8:16     ` [PATCH v6 0/9] net/zxdh: introduce net zxdh driver Junlong Wang
2024-10-16  8:16       ` [PATCH v6 1/9] net/zxdh: add zxdh ethdev pmd driver Junlong Wang
2024-10-16  8:18         ` [PATCH v6 2/9] net/zxdh: add logging implementation Junlong Wang
2024-10-16  8:18           ` [PATCH v6 3/9] net/zxdh: add zxdh device pci init implementation Junlong Wang
2024-10-16  8:18           ` [PATCH v6 4/9] net/zxdh: add msg chan and msg hwlock init Junlong Wang
2024-10-16  8:18           ` [PATCH v6 5/9] net/zxdh: add msg chan enable implementation Junlong Wang
2024-10-21  8:50             ` Thomas Monjalon
2024-10-21 10:56             ` Junlong Wang [this message]
2024-10-16  8:18           ` [PATCH v6 6/9] net/zxdh: add zxdh get device backend infos Junlong Wang
2024-10-21  8:52             ` Thomas Monjalon
2024-10-16  8:18           ` [PATCH v6 7/9] net/zxdh: add configure zxdh intr implementation Junlong Wang
2024-10-16  8:18           ` [PATCH v6 8/9] net/zxdh: add zxdh dev infos get ops Junlong Wang
2024-10-21  8:54             ` Thomas Monjalon
2024-10-16  8:18           ` [PATCH v6 9/9] net/zxdh: add zxdh dev configure ops Junlong Wang
2024-10-18  5:18             ` [v6,9/9] " Junlong Wang
2024-10-18  6:48               ` David Marchand
2024-10-19 11:17             ` Junlong Wang
2024-10-21  9:03         ` [PATCH v6 1/9] net/zxdh: add zxdh ethdev pmd driver Thomas Monjalon
2024-10-22 12:20         ` [PATCH v7 0/9] net/zxdh: introduce net zxdh driver Junlong Wang
2024-10-22 12:20           ` [PATCH v7 1/9] net/zxdh: add zxdh ethdev pmd driver Junlong Wang
2024-10-22 12:20           ` [PATCH v7 2/9] net/zxdh: add logging implementation Junlong Wang
2024-10-22 12:20           ` [PATCH v7 3/9] net/zxdh: add zxdh device pci init implementation Junlong Wang
2024-10-22 12:20           ` [PATCH v7 4/9] net/zxdh: add msg chan and msg hwlock init Junlong Wang
2024-10-22 12:20           ` [PATCH v7 5/9] net/zxdh: add msg chan enable implementation Junlong Wang
2024-10-22 12:20           ` [PATCH v7 6/9] net/zxdh: add zxdh get device backend infos Junlong Wang
2024-10-22 12:20           ` [PATCH v7 7/9] net/zxdh: add configure zxdh intr implementation Junlong Wang
2024-10-22 12:20           ` [PATCH v7 8/9] net/zxdh: add zxdh dev infos get ops Junlong Wang
2024-10-22 12:20           ` [PATCH v7 9/9] net/zxdh: add zxdh dev configure ops Junlong Wang

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