From: Wei Yang <weiyang@linux.vnet.ibm.com>
To: Benjamin Herrenschmidt <benh@au1.ibm.com>
Cc: bhelgaas@google.com, linux-pci@vger.kernel.org,
Wei Yang <weiyang@linux.vnet.ibm.com>,
linuxppc-dev@lists.ozlabs.org, gwshan@linux.vnet.ibm.com
Subject: Re: [PATCH V11 02/17] PCI/IOV: add VF enable/disable hook
Date: Tue, 10 Feb 2015 09:35:32 +0800 [thread overview]
Message-ID: <20150210013532.GA6326@richard> (raw)
In-Reply-To: <1423527979.4924.67.camel@au1.ibm.com>
On Tue, Feb 10, 2015 at 11:26:19AM +1100, Benjamin Herrenschmidt wrote:
>On Thu, 2015-01-15 at 10:27 +0800, Wei Yang wrote:
>> + if ((retval = pcibios_sriov_enable(dev, initial))) {
>> + dev_err(&dev->dev, "Failure %d from
>> pcibios_sriov_setup()\n",
>> + retval);
>> + return retval;
>> + }
>> +
>
>Don't we want pcibios_sriov_enable() to be able to crop the number
>of VFs or do we think any resource limits have been applied
>already ?
The second parameter "initial" is the number of VFs will be enabled. Arch
dependent function will check the resources for these number of VFs.
Do I catch your question correctly?
>
>Ben.
>
--
Richard Yang
Help you, Help me
next prev parent reply other threads:[~2015-02-10 1:36 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-22 5:54 [PATCH V10 00/17] Enable SRIOV on Power8 Wei Yang
2014-12-22 5:54 ` [PATCH V10 01/17] PCI/IOV: Export interface for retrieve VF's BDF Wei Yang
2014-12-22 5:54 ` [PATCH V10 02/17] PCI/IOV: add VF enable/disable hook Wei Yang
2014-12-22 5:54 ` [PATCH V10 03/17] PCI: Add weak pcibios_iov_resource_alignment() interface Wei Yang
2014-12-22 5:54 ` [PATCH V10 04/17] PCI: Store VF BAR size in pci_sriov Wei Yang
2014-12-22 5:54 ` [PATCH V10 05/17] PCI: Take additional PF's IOV BAR alignment in sizing and assigning Wei Yang
2014-12-22 5:54 ` [PATCH V10 06/17] powerpc/pci: Add PCI resource alignment documentation Wei Yang
2014-12-22 5:54 ` [PATCH V10 07/17] powerpc/pci: Don't unset pci resources for VFs Wei Yang
2014-12-22 5:54 ` [PATCH V10 08/17] powrepc/pci: Refactor pci_dn Wei Yang
2014-12-22 5:54 ` [PATCH V10 09/17] powerpc/pci: remove pci_dn->pcidev field Wei Yang
2014-12-22 5:54 ` [PATCH V10 10/17] powerpc/powernv: Use pci_dn in PCI config accessor Wei Yang
2014-12-22 5:54 ` [PATCH V10 11/17] powerpc/powernv: Allocate pe->iommu_table dynamically Wei Yang
2014-12-22 5:54 ` [PATCH V10 12/17] powerpc/powernv: Reserve additional space for IOV BAR according to the number of total_pe Wei Yang
2014-12-22 5:54 ` [PATCH V10 13/17] powerpc/powernv: Implement pcibios_iov_resource_alignment() on powernv Wei Yang
2014-12-22 5:54 ` [PATCH V10 14/17] powerpc/powernv: Shift VF resource with an offset Wei Yang
2014-12-22 5:54 ` [PATCH V10 15/17] powerpc/powernv: Allocate VF PE Wei Yang
2014-12-22 5:54 ` [PATCH V10 16/17] powerpc/powernv: Reserve additional space for IOV BAR, with m64_per_iov supported Wei Yang
2014-12-22 5:54 ` [PATCH V10 17/17] powerpc/powernv: Group VF PE when IOV BAR is big on PHB3 Wei Yang
2014-12-22 6:05 ` [PATCH V10 00/17] Enable SRIOV on Power8 Wei Yang
2015-01-13 18:05 ` Bjorn Helgaas
2015-01-15 2:27 ` [PATCH V11 " Wei Yang
2015-01-15 2:27 ` [PATCH V11 01/17] PCI/IOV: Export interface for retrieve VF's BDF Wei Yang
2015-02-20 23:09 ` Bjorn Helgaas
2015-03-02 6:05 ` Wei Yang
2015-01-15 2:27 ` [PATCH V11 02/17] PCI/IOV: add VF enable/disable hook Wei Yang
2015-02-10 0:26 ` Benjamin Herrenschmidt
2015-02-10 1:35 ` Wei Yang [this message]
2015-02-10 2:13 ` Benjamin Herrenschmidt
2015-02-10 6:18 ` Wei Yang
2015-01-15 2:27 ` [PATCH V11 03/17] PCI: Add weak pcibios_iov_resource_alignment() interface Wei Yang
2015-02-10 0:32 ` Benjamin Herrenschmidt
2015-02-10 1:44 ` Wei Yang
2015-01-15 2:27 ` [PATCH V11 04/17] PCI: Store VF BAR size in pci_sriov Wei Yang
2015-01-15 2:27 ` [PATCH V11 05/17] PCI: Take additional PF's IOV BAR alignment in sizing and assigning Wei Yang
2015-01-15 2:27 ` [PATCH V11 06/17] powerpc/pci: Add PCI resource alignment documentation Wei Yang
2015-02-04 23:44 ` Bjorn Helgaas
2015-02-10 1:02 ` Benjamin Herrenschmidt
2015-02-20 0:56 ` Bjorn Helgaas
2015-02-20 2:41 ` Benjamin Herrenschmidt
2015-01-15 2:27 ` [PATCH V11 07/17] powerpc/pci: Don't unset pci resources for VFs Wei Yang
2015-02-10 0:36 ` Benjamin Herrenschmidt
2015-02-10 1:51 ` Wei Yang
2015-02-10 2:14 ` Benjamin Herrenschmidt
2015-02-10 6:25 ` Wei Yang
2015-02-10 8:14 ` Benjamin Herrenschmidt
2015-02-20 23:47 ` Bjorn Helgaas
2015-03-02 6:09 ` Wei Yang
2015-01-15 2:27 ` [PATCH V11 08/17] powrepc/pci: Refactor pci_dn Wei Yang
2015-02-20 23:19 ` Bjorn Helgaas
2015-02-23 0:13 ` Gavin Shan
2015-02-24 8:13 ` Bjorn Helgaas
2015-02-24 8:25 ` Benjamin Herrenschmidt
2015-01-15 2:27 ` [PATCH V11 09/17] powerpc/pci: remove pci_dn->pcidev field Wei Yang
2015-01-15 2:28 ` [PATCH V11 10/17] powerpc/powernv: Use pci_dn in PCI config accessor Wei Yang
2015-01-15 2:28 ` [PATCH V11 11/17] powerpc/powernv: Allocate pe->iommu_table dynamically Wei Yang
2015-01-15 2:28 ` [PATCH V11 12/17] powerpc/powernv: Reserve additional space for IOV BAR according to the number of total_pe Wei Yang
2015-02-04 21:26 ` Bjorn Helgaas
2015-02-04 23:08 ` Wei Yang
2015-01-15 2:28 ` [PATCH V11 13/17] powerpc/powernv: Implement pcibios_iov_resource_alignment() on powernv Wei Yang
2015-02-04 21:26 ` Bjorn Helgaas
2015-02-04 22:45 ` Wei Yang
2015-01-15 2:28 ` [PATCH V11 14/17] powerpc/powernv: Shift VF resource with an offset Wei Yang
2015-01-30 23:08 ` Bjorn Helgaas
2015-02-03 1:30 ` Wei Yang
2015-02-03 7:01 ` [PATCH] powerpc/powernv: make sure the IOV BAR will not exceed limit after shifting Wei Yang
2015-02-04 0:19 ` Bjorn Helgaas
2015-02-04 3:34 ` Wei Yang
2015-02-04 14:19 ` Bjorn Helgaas
2015-02-04 15:20 ` Wei Yang
2015-02-04 16:08 ` [PATCH] pci/iov: fix memory leak introduced in "PCI: Store individual VF BAR size in struct pci_sriov" Wei Yang
2015-02-04 16:28 ` Bjorn Helgaas
2015-02-04 20:53 ` [PATCH] powerpc/powernv: make sure the IOV BAR will not exceed limit after shifting Bjorn Helgaas
2015-02-05 3:01 ` Wei Yang
2015-01-15 2:28 ` [PATCH V11 15/17] powerpc/powernv: Allocate VF PE Wei Yang
2015-01-15 2:28 ` [PATCH V11 16/17] powerpc/powernv: Reserve additional space for IOV BAR, with m64_per_iov supported Wei Yang
2015-02-04 22:05 ` Bjorn Helgaas
2015-02-05 0:07 ` Wei Yang
2015-01-15 2:28 ` [PATCH V11 17/17] powerpc/powernv: Group VF PE when IOV BAR is big on PHB3 Wei Yang
2015-02-04 23:44 ` [PATCH V11 00/17] Enable SRIOV on Power8 Bjorn Helgaas
2015-02-05 0:13 ` Wei Yang
2015-02-05 6:34 ` [PATCH 0/3] Code adjustment on pci/virtualization Wei Yang
2015-02-05 6:34 ` [PATCH 1/3] fix on Store individual VF BAR size in struct pci_sriov Wei Yang
2015-02-05 6:34 ` [PATCH 2/3] fix Reserve additional space for IOV BAR, with m64_per_iov supported Wei Yang
2015-02-05 6:34 ` [PATCH 3/3] remove the unused end in pnv_pci_vf_resource_shift() Wei Yang
2015-02-10 0:25 ` [PATCH V11 00/17] Enable SRIOV on Power8 Benjamin Herrenschmidt
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