Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Thomas Gleixner <tglx@linutronix.de>
To:     "Tian, Kevin" <kevin.tian@intel.com>,
        LKML <linux-kernel@vger.kernel.org>
Cc:     "x86@kernel.org" <x86@kernel.org>, Joerg Roedel <joro@8bytes.org>,
        Will Deacon <will@kernel.org>,
        "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Marc Zyngier <maz@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jason Gunthorpe <jgg@mellanox.com>,
        "Jiang, Dave" <dave.jiang@intel.com>,
        Alex Williamson <alex.williamson@redhat.com>,
        "Williams, Dan J" <dan.j.williams@intel.com>,
        Logan Gunthorpe <logang@deltatee.com>,
        "Raj, Ashok" <ashok.raj@intel.com>, Jon Mason <jdmason@kudzu.us>,
        Allen Hubbe <allenbh@gmail.com>
Subject: RE: [patch V2 27/33] genirq/msi: Provide constants for PCI/IMS support
In-Reply-To: <BN9PR11MB5276C9AE570B4CF854F6F5E48C0F9@BN9PR11MB5276.namprd11.prod.outlook.com>
References: <20221121083657.157152924@linutronix.de>
 <20221121091327.974140298@linutronix.de>
 <BN9PR11MB5276C9AE570B4CF854F6F5E48C0F9@BN9PR11MB5276.namprd11.prod.outlook.com>
Date:   Thu, 24 Nov 2022 10:10:05 +0100
Message-ID: <87o7swd8gi.ffs@tglx>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

On Thu, Nov 24 2022 at 03:01, Kevin Tian wrote:
>> From: Thomas Gleixner <tglx@linutronix.de>
>> @@ -15,6 +15,7 @@ struct device;
>>   */
>>  enum msi_domain_ids {
>>  	MSI_DEFAULT_DOMAIN,
>> +	MSI_SECONDARY_DOMAIN,
>>  	MSI_MAX_DEVICE_IRQDOMAINS,
>
> SECONDARY or be explicit IMS? Are we envisioning non-IMS usages to
> occupy this slot in the future?

I'm not really decided on that. Whatever the name or use-case for a
secondary domain is. Not, that this is not restricted to PCI.

Thanks,

        tglx