diff options
Diffstat (limited to 'drivers/crypto/qat/qat_common/adf_gen2_hw_data.c')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_gen2_hw_data.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c b/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c index 9e560c7d4163..566918012778 100644 --- a/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c +++ b/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c @@ -4,6 +4,46 @@ #include "icp_qat_hw.h" #include <linux/pci.h> +u32 adf_gen2_get_vf2pf_sources(void __iomem *pmisc_addr) +{ + u32 errsou3, errmsk3, vf_int_mask; + + /* Get the interrupt sources triggered by VFs */ + errsou3 = ADF_CSR_RD(pmisc_addr, ADF_GEN2_ERRSOU3); + vf_int_mask = ADF_GEN2_ERR_REG_VF2PF(errsou3); + + /* To avoid adding duplicate entries to work queue, clear + * vf_int_mask_sets bits that are already masked in ERRMSK register. + */ + errmsk3 = ADF_CSR_RD(pmisc_addr, ADF_GEN2_ERRMSK3); + vf_int_mask &= ~ADF_GEN2_ERR_REG_VF2PF(errmsk3); + + return vf_int_mask; +} +EXPORT_SYMBOL_GPL(adf_gen2_get_vf2pf_sources); + +void adf_gen2_enable_vf2pf_interrupts(void __iomem *pmisc_addr, u32 vf_mask) +{ + /* Enable VF2PF Messaging Ints - VFs 0 through 15 per vf_mask[15:0] */ + if (vf_mask & 0xFFFF) { + u32 val = ADF_CSR_RD(pmisc_addr, ADF_GEN2_ERRMSK3) + & ~ADF_GEN2_ERR_MSK_VF2PF(vf_mask); + ADF_CSR_WR(pmisc_addr, ADF_GEN2_ERRMSK3, val); + } +} +EXPORT_SYMBOL_GPL(adf_gen2_enable_vf2pf_interrupts); + +void adf_gen2_disable_vf2pf_interrupts(void __iomem *pmisc_addr, u32 vf_mask) +{ + /* Disable VF2PF interrupts for VFs 0 through 15 per vf_mask[15:0] */ + if (vf_mask & 0xFFFF) { + u32 val = ADF_CSR_RD(pmisc_addr, ADF_GEN2_ERRMSK3) + | ADF_GEN2_ERR_MSK_VF2PF(vf_mask); + ADF_CSR_WR(pmisc_addr, ADF_GEN2_ERRMSK3, val); + } +} +EXPORT_SYMBOL_GPL(adf_gen2_disable_vf2pf_interrupts); + void adf_gen2_cfg_iov_thds(struct adf_accel_dev *accel_dev, bool enable, int num_a_regs, int num_b_regs) { |