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 | 98 |
1 files changed, 98 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..262bdc05dab4 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 +4,104 @@ #include "icp_qat_hw.h" #include <linux/pci.h> +#define ADF_GEN2_PF2VF_OFFSET(i) (0x3A000 + 0x280 + ((i) * 0x04)) + +u32 adf_gen2_get_pf2vf_offset(u32 i) +{ + return ADF_GEN2_PF2VF_OFFSET(i); +} +EXPORT_SYMBOL_GPL(adf_gen2_get_pf2vf_offset); + +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); + +u32 adf_gen2_get_num_accels(struct adf_hw_device_data *self) +{ + if (!self || !self->accel_mask) + return 0; + + return hweight16(self->accel_mask); +} +EXPORT_SYMBOL_GPL(adf_gen2_get_num_accels); + +u32 adf_gen2_get_num_aes(struct adf_hw_device_data *self) +{ + if (!self || !self->ae_mask) + return 0; + + return hweight32(self->ae_mask); +} +EXPORT_SYMBOL_GPL(adf_gen2_get_num_aes); + +void adf_gen2_enable_error_correction(struct adf_accel_dev *accel_dev) +{ + struct adf_hw_device_data *hw_data = accel_dev->hw_device; + struct adf_bar *misc_bar = &GET_BARS(accel_dev) + [hw_data->get_misc_bar_id(hw_data)]; + unsigned long accel_mask = hw_data->accel_mask; + unsigned long ae_mask = hw_data->ae_mask; + void __iomem *csr = misc_bar->virt_addr; + unsigned int val, i; + + /* Enable Accel Engine error detection & correction */ + for_each_set_bit(i, &ae_mask, hw_data->num_engines) { + val = ADF_CSR_RD(csr, ADF_GEN2_AE_CTX_ENABLES(i)); + val |= ADF_GEN2_ENABLE_AE_ECC_ERR; + ADF_CSR_WR(csr, ADF_GEN2_AE_CTX_ENABLES(i), val); + val = ADF_CSR_RD(csr, ADF_GEN2_AE_MISC_CONTROL(i)); + val |= ADF_GEN2_ENABLE_AE_ECC_PARITY_CORR; + ADF_CSR_WR(csr, ADF_GEN2_AE_MISC_CONTROL(i), val); + } + + /* Enable shared memory error detection & correction */ + for_each_set_bit(i, &accel_mask, hw_data->num_accel) { + val = ADF_CSR_RD(csr, ADF_GEN2_UERRSSMSH(i)); + val |= ADF_GEN2_ERRSSMSH_EN; + ADF_CSR_WR(csr, ADF_GEN2_UERRSSMSH(i), val); + val = ADF_CSR_RD(csr, ADF_GEN2_CERRSSMSH(i)); + val |= ADF_GEN2_ERRSSMSH_EN; + ADF_CSR_WR(csr, ADF_GEN2_CERRSSMSH(i), val); + } +} +EXPORT_SYMBOL_GPL(adf_gen2_enable_error_correction); + void adf_gen2_cfg_iov_thds(struct adf_accel_dev *accel_dev, bool enable, int num_a_regs, int num_b_regs) { |