From: Nicolin Chen <nicolinc@nvidia.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: <maz@kernel.org>, <tglx@linutronix.de>, <bhelgaas@google.com>,
<alex.williamson@redhat.com>, <jgg@nvidia.com>,
<leonro@nvidia.com>, <shameerali.kolothum.thodi@huawei.com>,
<robin.murphy@arm.com>, <dlemoal@kernel.org>,
<kevin.tian@intel.com>, <smostafa@google.com>,
<reinette.chatre@intel.com>, <eric.auger@redhat.com>,
<ddutile@redhat.com>, <yebin10@huawei.com>, <brauner@kernel.org>,
<apatel@ventanamicro.com>, <shivamurthy.shastri@linutronix.de>,
<anna-maria@linutronix.de>, <nipun.gupta@amd.com>,
<marek.vasut+renesas@mailbox.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <linux-pci@vger.kernel.org>,
<kvm@vger.kernel.org>
Subject: Re: [PATCH RFCv1 6/7] PCI/MSI: Add pci_alloc_irq_vectors_iovas helper
Date: Tue, 12 Nov 2024 14:14:21 -0800 [thread overview]
Message-ID: <ZzPTPQNxWDmh97cr@Asurada-Nvidia> (raw)
In-Reply-To: <ZzHPtwPdCehYyXWE@smile.fi.intel.com>
On Mon, Nov 11, 2024 at 11:34:47AM +0200, Andy Shevchenko wrote:
> On Fri, Nov 08, 2024 at 09:48:51PM -0800, Nicolin Chen wrote:
> > Now, the common __pci_alloc_irq_vectors() accepts an array of msi_iovas,
> > which is a list of preset IOVAs for MSI doorbell addresses.
> >
> > Add a helper that would pass in a list. A following patch will call this
> > to forward msi_iovas from user space.
>
> ...
>
> > +/**
> > + * pci_alloc_irq_vectors_iovas() - Allocate multiple device interrupt
> > + * vectors with preset msi_iovas
> > + * @dev: the PCI device to operate on
> > + * @min_vecs: minimum required number of vectors (must be >= 1)
> > + * @max_vecs: maximum desired number of vectors
> > + * @flags: allocation flags, as in pci_alloc_irq_vectors()
> > + * @msi_iovas: list of IOVAs for MSI between [min_vecs, max_vecs]
> > + *
> > + * Same as pci_alloc_irq_vectors(), but with the extra @msi_iovas parameter.
> > + * Check that function docs, and &struct irq_affinity, for more details.
> > + */
>
> Always validate your kernel-doc descriptions
>
> scripts/kernel-doc -Wall -none -v ...
>
> will give you a warning here.
Will do in next round.
Thanks!
Nicolin
next prev parent reply other threads:[~2024-11-12 22:18 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-09 5:48 [PATCH RFCv1 0/7] vfio: Allow userspace to specify the address for each MSI vector Nicolin Chen
2024-11-09 5:48 ` [PATCH RFCv1 1/7] genirq/msi: Allow preset IOVA in struct msi_desc for MSI doorbell address Nicolin Chen
2024-11-09 5:48 ` [PATCH RFCv1 2/7] irqchip/gic-v3-its: Bypass iommu_cookie if desc->msi_iova is preset Nicolin Chen
2024-11-09 5:48 ` [PATCH RFCv1 3/7] PCI/MSI: Pass in msi_iova to msi_domain_insert_msi_desc Nicolin Chen
2024-11-09 5:48 ` [PATCH RFCv1 4/7] PCI/MSI: Allow __pci_enable_msi_range to pass in iova Nicolin Chen
2024-11-11 9:30 ` Andy Shevchenko
2024-11-09 5:48 ` [PATCH RFCv1 5/7] PCI/MSI: Extract a common __pci_alloc_irq_vectors function Nicolin Chen
2024-11-11 9:33 ` Andy Shevchenko
2024-11-09 5:48 ` [PATCH RFCv1 6/7] PCI/MSI: Add pci_alloc_irq_vectors_iovas helper Nicolin Chen
2024-11-11 9:34 ` Andy Shevchenko
2024-11-12 22:14 ` Nicolin Chen [this message]
2024-11-09 5:48 ` [PATCH RFCv1 7/7] vfio/pci: Allow preset MSI IOVAs via VFIO_IRQ_SET_ACTION_PREPARE Nicolin Chen
2024-11-11 13:09 ` [PATCH RFCv1 0/7] vfio: Allow userspace to specify the address for each MSI vector Robin Murphy
2024-11-11 14:14 ` Marc Zyngier
2024-11-12 22:13 ` Nicolin Chen
2024-11-12 21:54 ` Nicolin Chen
2024-11-13 1:34 ` Jason Gunthorpe
2024-11-13 21:11 ` Alex Williamson
2024-11-14 15:35 ` Robin Murphy
2024-11-20 13:17 ` Eric Auger
2024-11-20 14:03 ` Jason Gunthorpe
2024-11-28 11:15 ` Thomas Gleixner
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