linux-kernel - Re: [RFC V1 1/7] genirq/msi: Differentiate between various MSI based interrupts

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Date:   Fri, 13 Sep 2019 05:40:17 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Megha Dey <megha.dey@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        linux-pci@...r.kernel.org, maz@...nel.org, bhelgaas@...gle.com,
        rafael@...nel.org, tglx@...utronix.de, hpa@...or.com,
        alex.williamson@...hat.com, jgg@...lanox.com, ashok.raj@...el.com,
        megha.dey@...el.com, jacob.jun.pan@...el.com
Subject: Re: [RFC V1 1/7] genirq/msi: Differentiate between various MSI based
 interrupts

On Thu, Sep 12, 2019 at 06:32:02PM -0700, Megha Dey wrote:
> +enum msi_desc_tags {
> +	IRQ_MSI_TAG_MSI,
> +	IRQ_MSI_TAG_MSIX,
> +	IRQ_MSI_TAG_IMS,
> +	IRQ_MSI_TAG_PLAT,
> +	IRQ_MSI_TAG_FSL,
> +	IRQ_MSI_TAG_SCI,
> +};

What does any of these mean?  Can you please provide comments at the
very least saying what FSL, SCI, IMS and everything else is?

thanks,

greg k-h