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crypto: qat - call functions in adf_sriov if available 

Call the function configure_iov_threads(), adf_enable_vf2pf_interrupts()
and adf_pf2vf_notify_restarting() only if present in the struct
adf_hw_device_data of the device.
This is to allow for QAT drivers that do not implement those functions.

Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Reviewed-by: Maksim Lukoshkov <maksim.lukoshkov@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Giovanni Cabiddu 2020-10-12 21:38:40 +01:00 committed by Herbert Xu
parent 264f590f2b
commit 185aa9c354
1 changed files with 10 additions and 5 deletions
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15
drivers/crypto/qat/qat_common/adf_sriov.c
View File

@ -62,10 +62,12 @@ static int adf_enable_sriov(struct adf_accel_dev *accel_dev)
} }
/* Set Valid bits in AE Thread to PCIe Function Mapping */ /* Set Valid bits in AE Thread to PCIe Function Mapping */
hw_data->configure_iov_threads(accel_dev, true); if (hw_data->configure_iov_threads)
hw_data->configure_iov_threads(accel_dev, true);
/* Enable VF to PF interrupts for all VFs */ /* Enable VF to PF interrupts for all VFs */
adf_enable_vf2pf_interrupts(accel_dev, BIT_ULL(totalvfs) - 1); if (hw_data->get_pf2vf_offset)
adf_enable_vf2pf_interrupts(accel_dev, BIT_ULL(totalvfs) - 1);
/* /*
* Due to the hardware design, when SR-IOV and the ring arbiter * Due to the hardware design, when SR-IOV and the ring arbiter
@ -94,15 +96,18 @@ void adf_disable_sriov(struct adf_accel_dev *accel_dev)
if (!accel_dev->pf.vf_info) if (!accel_dev->pf.vf_info)
return; return;
adf_pf2vf_notify_restarting(accel_dev); if (hw_data->get_pf2vf_offset)
adf_pf2vf_notify_restarting(accel_dev);
pci_disable_sriov(accel_to_pci_dev(accel_dev)); pci_disable_sriov(accel_to_pci_dev(accel_dev));
/* Disable VF to PF interrupts */ /* Disable VF to PF interrupts */
adf_disable_vf2pf_interrupts(accel_dev, GENMASK(31, 0)); if (hw_data->get_pf2vf_offset)
adf_disable_vf2pf_interrupts(accel_dev, GENMASK(31, 0));
/* Clear Valid bits in AE Thread to PCIe Function Mapping */ /* Clear Valid bits in AE Thread to PCIe Function Mapping */
hw_data->configure_iov_threads(accel_dev, false); if (hw_data->configure_iov_threads)
hw_data->configure_iov_threads(accel_dev, false);
for (i = 0, vf = accel_dev->pf.vf_info; i < totalvfs; i++, vf++) { for (i = 0, vf = accel_dev->pf.vf_info; i < totalvfs; i++, vf++) {
tasklet_disable(&vf->vf2pf_bh_tasklet); tasklet_disable(&vf->vf2pf_bh_tasklet);