Add linuxppc-dev@xxxxxxxxxxxxxxxx
On 10/31/17 9:47 AM, Bryant G. Ly wrote:
> Add calls for PSeries platform to configure/deconfigure
> SR-IOV.
>
> Signed-off-by: Bryant G. Ly <bryantly@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Juan J. Alvarez <jjalvare@xxxxxxxxxx>
> ---
> arch/powerpc/platforms/pseries/eeh_pseries.c | 24 +++++++++++++++++++++++
> arch/powerpc/platforms/pseries/pci.c | 29 ++++++++++++++++++++++++----
> 2 files changed, 49 insertions(+), 4 deletions(-)
>
> diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c
> index 6b812ad990e4..2295f117e2d3 100644
> --- a/arch/powerpc/platforms/pseries/eeh_pseries.c
> +++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
> @@ -55,6 +55,27 @@ static int ibm_get_config_addr_info;
> static int ibm_get_config_addr_info2;
> static int ibm_configure_pe;
>
> +void pseries_pcibios_bus_add_device(struct pci_dev *pdev)
> +{
> + struct pci_dn *pdn = pci_get_pdn(pdev);
> +
> + if (!pdev->is_virtfn)
> + return;
> +
> + pdn->device_id = pdev->device;
> + pdn->vendor_id = pdev->vendor;
> + pdn->class_code = pdev->class;
> +
> + /*
> + * The following operations will fail if VF's sysfs files
> + * aren't created or its resources aren't finalized.
> + */
> + eeh_add_device_early(pdn);
> + eeh_add_device_late(pdev);
> + eeh_sysfs_add_device(pdev);
> +
> +}
> +
> /*
> * Buffer for reporting slot-error-detail rtas calls. Its here
> * in BSS, and not dynamically alloced, so that it ends up in
> @@ -120,6 +141,9 @@ static int pseries_eeh_init(void)
> /* Set EEH probe mode */
> eeh_add_flag(EEH_PROBE_MODE_DEVTREE | EEH_ENABLE_IO_FOR_LOG);
>
> + /* Set EEH machine dependent code */
> + ppc_md.pcibios_bus_add_device = pseries_pcibios_bus_add_device;
> +
> return 0;
> }
>
> diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c
> index 09eba5a9929a..14a90cf471cc 100644
> --- a/arch/powerpc/platforms/pseries/pci.c
> +++ b/arch/powerpc/platforms/pseries/pci.c
> @@ -3,17 +3,17 @@
> * Copyright (C) 2003 Anton Blanchard <anton@xxxxxxxxxx>, IBM
> *
> * pSeries specific routines for PCI.
> - *
> + *
> * This program is free software; you can redistribute it and/or modify
> * it under the terms of the GNU General Public License as published by
> * the Free Software Foundation; either version 2 of the License, or
> * (at your option) any later version.
> - *
> + *
> * This program is distributed in the hope that it will be useful,
> * but WITHOUT ANY WARRANTY; without even the implied warranty of
> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> * GNU General Public License for more details.
> - *
> + *
> * You should have received a copy of the GNU General Public License
> * along with this program; if not, write to the Free Software
> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> @@ -54,10 +54,26 @@ void pcibios_name_device(struct pci_dev *dev)
> }
> }
> }
> -}
> +}
> DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pcibios_name_device);
> #endif
>
> +#ifdef CONFIG_PCI_IOV
> +int pseries_pcibios_sriov_enable(struct pci_dev *pdev, u16 num_vfs)
> +{
> + /* Allocate PCI data */
> + add_dev_pci_data(pdev);
> + return 0;
> +}
> +
> +int pseries_pcibios_sriov_disable(struct pci_dev *pdev)
> +{
> + /* Release PCI data */
> + remove_dev_pci_data(pdev);
> + return 0;
> +}
> +#endif
> +
> static void __init pSeries_request_regions(void)
> {
> if (!isa_io_base)
> @@ -76,6 +92,11 @@ void __init pSeries_final_fixup(void)
> pSeries_request_regions();
>
> eeh_addr_cache_build();
> +
> +#ifdef CONFIG_PCI_IOV
> + ppc_md.pcibios_sriov_enable = pseries_pcibios_sriov_enable;
> + ppc_md.pcibios_sriov_disable = pseries_pcibios_sriov_disable;
> +#endif
> }
>
> /*
