diff options
Diffstat (limited to 'drivers/crypto/qat/qat_common/adf_isr.c')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_isr.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_isr.c b/drivers/crypto/qat/qat_common/adf_isr.c index a35149f8bf1e..ad9e135b8560 100644 --- a/drivers/crypto/qat/qat_common/adf_isr.c +++ b/drivers/crypto/qat/qat_common/adf_isr.c @@ -66,42 +66,39 @@ void adf_enable_vf2pf_interrupts(struct adf_accel_dev *accel_dev, u32 vf_mask) spin_unlock_irqrestore(&accel_dev->pf.vf2pf_ints_lock, flags); } -void adf_disable_vf2pf_interrupts(struct adf_accel_dev *accel_dev, u32 vf_mask) +void adf_disable_all_vf2pf_interrupts(struct adf_accel_dev *accel_dev) { void __iomem *pmisc_addr = adf_get_pmisc_base(accel_dev); unsigned long flags; spin_lock_irqsave(&accel_dev->pf.vf2pf_ints_lock, flags); - GET_PFVF_OPS(accel_dev)->disable_vf2pf_interrupts(pmisc_addr, vf_mask); + GET_PFVF_OPS(accel_dev)->disable_all_vf2pf_interrupts(pmisc_addr); spin_unlock_irqrestore(&accel_dev->pf.vf2pf_ints_lock, flags); } -static void adf_disable_vf2pf_interrupts_irq(struct adf_accel_dev *accel_dev, - u32 vf_mask) +static u32 adf_disable_pending_vf2pf_interrupts(struct adf_accel_dev *accel_dev) { void __iomem *pmisc_addr = adf_get_pmisc_base(accel_dev); + u32 pending; spin_lock(&accel_dev->pf.vf2pf_ints_lock); - GET_PFVF_OPS(accel_dev)->disable_vf2pf_interrupts(pmisc_addr, vf_mask); + pending = GET_PFVF_OPS(accel_dev)->disable_pending_vf2pf_interrupts(pmisc_addr); spin_unlock(&accel_dev->pf.vf2pf_ints_lock); + + return pending; } static bool adf_handle_vf2pf_int(struct adf_accel_dev *accel_dev) { - void __iomem *pmisc_addr = adf_get_pmisc_base(accel_dev); bool irq_handled = false; unsigned long vf_mask; - /* Get the interrupt sources triggered by VFs */ - vf_mask = GET_PFVF_OPS(accel_dev)->get_vf2pf_sources(pmisc_addr); - + /* Get the interrupt sources triggered by VFs, except for those already disabled */ + vf_mask = adf_disable_pending_vf2pf_interrupts(accel_dev); if (vf_mask) { struct adf_accel_vf_info *vf_info; int i; - /* Disable VF2PF interrupts for VFs with pending ints */ - adf_disable_vf2pf_interrupts_irq(accel_dev, vf_mask); - /* * Handle VF2PF interrupt unless the VF is malicious and * is attempting to flood the host OS with VF2PF interrupts. |