DPDK patches and discussions
 help / color / mirror / Atom feed
From: Thomas Monjalon <thomas@monjalon.net>
To: Nipun Gupta <nipun.gupta@amd.com>
Cc: dev@dpdk.org, david.marchand@redhat.com, ferruh.yigit@amd.com,
	harpreet.anand@amd.com, nikhil.agarwal@amd.com
Subject: Re: [PATCH v4 3/4] bus/cdx: add support for MSI
Date: Wed, 24 May 2023 13:06:39 +0200	[thread overview]
Message-ID: <18120073.sWSEgdgrri@thomas> (raw)
In-Reply-To: <20230508111812.2655-4-nipun.gupta@amd.com>

08/05/2023 13:18, Nipun Gupta:
> MSI's are exposed to the devices using VFIO (vfio-cdx). This
> patch uses the same to add support for MSI for the devices on
> the cdx bus.
> 
> A couple of API's have been introduced in the EAL interrupt
> framework:
> - rte_intr_irq_count_set: This API is used to set the total
>     interrupts on the interrupt handle. This would be provided
>     by VFIO (irq.count) for VFIO enabled devices.
> - rte_intr_irq_count_get: This API returns the total number
>     interrupts which were set.
[...]
> --- a/lib/eal/common/eal_interrupts.h
> +++ b/lib/eal/common/eal_interrupts.h
> @@ -16,6 +16,7 @@ struct rte_intr_handle {
>  	};
>  	uint32_t alloc_flags;	/**< flags passed at allocation */
>  	enum rte_intr_handle_type type;  /**< handle type */
> +	uint32_t irq_count;		/**< IRQ count provided via VFIO */

Why only via VFIO?

[...]
> +/**
> + * @internal
> + * Set the irq count field of interrupt handle with user
> + * provided irq count value.
> + *
> + * @param intr_handle
> + *  pointer to the interrupt handle.
> + * @param irq_count
> + *  IRQ count

Please write IRQ all uppercase consistently.
Same for CDX.

> +	rte_intr_irq_count_get;
> +	rte_intr_irq_count_set;

Adding a new API in EAL deserves a separate commit with a different audience.
It looks like it has been hidden from EAL reviewers eyes so far.



  reply	other threads:[~2023-05-24 11:06 UTC|newest]

Thread overview: 102+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-24 14:07 [RFC PATCH 0/6] add support for CDX bus Nipun Gupta
2023-01-24 14:07 ` [RFC PATCH 1/6] bus/cdx: introduce cdx bus Nipun Gupta
2023-01-24 14:07 ` [RFC PATCH 2/6] bus/cdx: add dma map and unmap support Nipun Gupta
2023-01-24 14:07 ` [RFC PATCH 3/6] bus/cdx: add support for MSI Nipun Gupta
2023-01-24 14:07 ` [RFC PATCH 4/6] bus/cdx: support plug unplug and dev iterator Nipun Gupta
2023-01-24 14:07 ` [RFC PATCH 5/6] bus: enable cdx bus Nipun Gupta
2023-01-24 14:07 ` [RFC PATCH 6/6] config/arm: add AMD CDX Nipun Gupta
2023-04-07  6:01 ` [PATCH 0/6] add support for CDX bus Nipun Gupta
2023-04-07  6:01   ` [PATCH 1/6] bus/cdx: introduce cdx bus Nipun Gupta
2023-04-07  6:01   ` [PATCH 2/6] bus/cdx: add dma map and unmap support Nipun Gupta
2023-04-07  6:01   ` [PATCH 3/6] bus/cdx: add support for MSI Nipun Gupta
2023-04-07  6:01   ` [PATCH 4/6] bus/cdx: support plug unplug and dev iterator Nipun Gupta
2023-04-07  6:01   ` [PATCH 5/6] bus: enable cdx bus Nipun Gupta
2023-04-07  6:01   ` [PATCH 6/6] config/arm: add AMD CDX Nipun Gupta
2023-04-07  7:18   ` [PATCH 0/6] add support for CDX bus David Marchand
2023-04-07  7:29     ` Nipun Gupta
2023-04-13 13:25       ` Gupta, Nipun
2023-04-13 13:26 ` [PATCH v2 " Nipun Gupta
2023-04-13 13:26   ` [PATCH v2 1/6] bus/cdx: introduce cdx bus Nipun Gupta
2023-04-14 16:45     ` Ferruh Yigit
2023-04-16  9:20       ` Gupta, Nipun
2023-04-13 13:27   ` [PATCH v2 2/6] bus/cdx: add dma map and unmap support Nipun Gupta
2023-04-13 13:27   ` [PATCH v2 3/6] bus/cdx: add support for MSI Nipun Gupta
2023-04-14 16:45     ` Ferruh Yigit
2023-04-16  9:20       ` Gupta, Nipun
2023-04-13 13:27   ` [PATCH v2 4/6] bus/cdx: support plug unplug and dev iterator Nipun Gupta
2023-04-13 13:27   ` [PATCH v2 5/6] bus: enable cdx bus Nipun Gupta
2023-04-14 16:45     ` Ferruh Yigit
2023-04-16  9:21       ` Gupta, Nipun
2023-04-13 13:27   ` [PATCH v2 6/6] config/arm: add AMD CDX Nipun Gupta
2023-04-14 16:45   ` [PATCH v2 0/6] add support for CDX bus Ferruh Yigit
2023-04-21 14:54 ` [PATCH v3 0/5] Support AMD CDX bus, for FPGA based CDX devices. The CDX Nipun Gupta
2023-04-21 14:54   ` [PATCH v3 1/5] bus/cdx: introduce cdx bus Nipun Gupta
2023-04-21 14:54   ` [PATCH v3 2/5] bus/cdx: add DMA map and unmap support Nipun Gupta
2023-04-21 14:54   ` [PATCH v3 3/5] bus/cdx: add support for MSI Nipun Gupta
2023-04-21 14:54   ` [PATCH v3 4/5] bus/cdx: support plug unplug and dev iterator Nipun Gupta
2023-04-21 14:54   ` [PATCH v3 5/5] config/arm: add AMD CDX Nipun Gupta
2023-05-04 15:28     ` Ferruh Yigit
2023-05-08 10:24       ` Gupta, Nipun
2023-05-08 10:44         ` Thomas Monjalon
2023-05-08 10:48           ` Gupta, Nipun
2023-05-08 11:26         ` Ferruh Yigit
2023-05-08 17:16           ` Honnappa Nagarahalli
2023-05-08 17:47             ` Ferruh Yigit
2023-05-09  4:35               ` Gupta, Nipun
2023-05-09  5:55           ` Ruifeng Wang
2023-06-14 10:30             ` Ferruh Yigit
2023-06-15  7:00               ` Ruifeng Wang
2023-05-08 11:18 ` [PATCH v4 0/4] Support AMD CDX bus, for FPGA based CDX devices. The CDX Nipun Gupta
2023-05-08 11:18   ` [PATCH v4 1/4] bus/cdx: introduce cdx bus Nipun Gupta
2023-05-09  6:54     ` Xia, Chenbo
2023-05-09 11:09       ` Gupta, Nipun
2023-05-09 11:25         ` Ferruh Yigit
2023-05-10  1:29           ` Xia, Chenbo
2023-05-24 11:14     ` Thomas Monjalon
2023-05-24 17:04       ` Gupta, Nipun
2023-05-08 11:18   ` [PATCH v4 2/4] bus/cdx: add DMA map and unmap support Nipun Gupta
2023-05-08 11:18   ` [PATCH v4 3/4] bus/cdx: add support for MSI Nipun Gupta
2023-05-24 11:06     ` Thomas Monjalon [this message]
2023-05-24 17:06       ` Gupta, Nipun
2023-05-08 11:18   ` [PATCH v4 4/4] bus/cdx: support plug unplug and dev iterator Nipun Gupta
2023-05-12 10:25   ` [PATCH v4 0/4] Support AMD CDX bus, for FPGA based CDX devices. The CDX Ferruh Yigit
2023-05-25 10:08 ` [PATCH v5 0/5] Support AMD CDX bus Nipun Gupta
2023-05-25 10:08   ` [PATCH v5 1/5] bus/cdx: introduce " Nipun Gupta
2023-06-01 15:00     ` David Marchand
2023-06-01 18:10       ` Nipun Gupta
2023-06-05  8:04       ` Nipun Gupta
2023-05-25 10:08   ` [PATCH v5 2/5] bus/cdx: add DMA map and unmap support Nipun Gupta
2023-06-01 15:07     ` David Marchand
2023-05-25 10:08   ` [PATCH v5 3/5] eal/interrupts: add IRQ count in interrupt handle Nipun Gupta
2023-06-01 15:25     ` David Marchand
2023-06-01 18:04       ` Nipun Gupta
2023-06-01 18:18         ` Gupta, Nipun
2023-06-06  7:18     ` [EXT] " Harman Kalra
2023-06-06  7:27       ` Nipun Gupta
2023-06-07  5:45         ` Harman Kalra
2023-05-25 10:08   ` [PATCH v5 4/5] bus/cdx: add support for MSI Nipun Gupta
2023-06-01 15:09     ` David Marchand
2023-06-05  8:05       ` Nipun Gupta
2023-05-25 10:08   ` [PATCH v5 5/5] bus/cdx: support plug unplug and dev iterator Nipun Gupta
2023-06-05 13:26 ` [PATCH v6 0/4] Support AMD CDX bus Nipun Gupta
2023-06-05 13:26   ` [PATCH v6 1/4] bus/cdx: introduce " Nipun Gupta
2023-06-06  8:55     ` Thomas Monjalon
2023-06-05 13:26   ` [PATCH v6 2/4] bus/cdx: add DMA map and unmap support Nipun Gupta
2023-06-05 13:26   ` [PATCH v6 3/4] bus/cdx: add support for MSI Nipun Gupta
2023-06-06  9:30     ` David Marchand
2023-06-06  9:42       ` Nipun Gupta
2023-06-05 13:26   ` [PATCH v6 4/4] bus/cdx: support plug unplug and dev iterator Nipun Gupta
2023-06-06 10:02 ` [PATCH v7 0/4] Support AMD CDX bus Nipun Gupta
2023-06-06 10:02   ` [PATCH v7 1/4] bus/cdx: introduce " Nipun Gupta
2023-06-06 13:00     ` Thomas Monjalon
2023-06-06 13:38       ` Nipun Gupta
2023-06-06 13:43         ` Thomas Monjalon
2023-06-06 10:02   ` [PATCH v7 2/4] bus/cdx: add DMA map and unmap support Nipun Gupta
2023-06-06 10:02   ` [PATCH v7 3/4] bus/cdx: add support for MSI Nipun Gupta
2023-06-06 10:02   ` [PATCH v7 4/4] bus/cdx: support plug unplug and dev iterator Nipun Gupta
2023-06-07  4:24 ` [PATCH v8 0/4] Support AMD CDX bus Nipun Gupta
2023-06-07  4:24   ` [PATCH v8 1/4] bus/cdx: introduce " Nipun Gupta
2023-06-07  4:24   ` [PATCH v8 2/4] bus/cdx: add DMA map and unmap support Nipun Gupta
2023-06-07  4:24   ` [PATCH v8 3/4] bus/cdx: add support for MSI Nipun Gupta
2023-06-07  4:24   ` [PATCH v8 4/4] bus/cdx: support plug unplug and dev iterator Nipun Gupta
2023-06-07 13:36   ` [PATCH v8 0/4] Support AMD CDX bus Thomas Monjalon

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=18120073.sWSEgdgrri@thomas \
    --to=thomas@monjalon.net \
    --cc=david.marchand@redhat.com \
    --cc=dev@dpdk.org \
    --cc=ferruh.yigit@amd.com \
    --cc=harpreet.anand@amd.com \
    --cc=nikhil.agarwal@amd.com \
    --cc=nipun.gupta@amd.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).