diff options
| author |   Marco Chiappero <marco.chiappero@intel.com> | 2021-12-16 09:13:15 +0000 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2021-12-24 14:18:24 +1100 |
| commit | 03125541ca29fda7b98bea08dfed68ae0e39b46c (patch) | |
| tree | 3dbce1008e058a8358c51ee2c78a717017593f41 /drivers/crypto/qat/qat_common/adf_gen4_hw_data.h | |
| parent | crypto: qat - extend crypto capability detection for 4xxx (diff) | |
| download | linux-dev-03125541ca29fda7b98bea08dfed68ae0e39b46c.tar.xz linux-dev-03125541ca29fda7b98bea08dfed68ae0e39b46c.zip | |
crypto: qat - support the reset of ring pairs on PF
Add support for triggering a HW reset of a specific ring pair.
Being a device specific feature, add it to the hw_device_data struct.
This feature is supported only by QAT GEN4 devices.
This patch is based on earlier work done by Zelin Deng.
Signed-off-by: Marco Chiappero <marco.chiappero@intel.com>
Co-developed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_gen4_hw_data.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_gen4_hw_data.h b/drivers/crypto/qat/qat_common/adf_gen4_hw_data.h index b8fca1ff7aab..449d6a5976a9 100644 --- a/drivers/crypto/qat/qat_common/adf_gen4_hw_data.h +++ b/drivers/crypto/qat/qat_common/adf_gen4_hw_data.h @@ -106,6 +106,15 @@ do { \ #define ADF_SSMWDTPKEL_OFFSET 0x58 #define ADF_SSMWDTPKEH_OFFSET 0x60 +/* Ring reset */ +#define ADF_RPRESET_POLL_TIMEOUT_US (5 * USEC_PER_SEC) +#define ADF_RPRESET_POLL_DELAY_US 20 +#define ADF_WQM_CSR_RPRESETCTL_RESET BIT(0) +#define ADF_WQM_CSR_RPRESETCTL(bank) (0x6000 + ((bank) << 3)) +#define ADF_WQM_CSR_RPRESETSTS_STATUS BIT(0) +#define ADF_WQM_CSR_RPRESETSTS(bank) (ADF_WQM_CSR_RPRESETCTL(bank) + 4) + void adf_gen4_set_ssm_wdtimer(struct adf_accel_dev *accel_dev); void adf_gen4_init_hw_csr_ops(struct adf_hw_csr_ops *csr_ops); +int adf_gen4_ring_pair_reset(struct adf_accel_dev *accel_dev, u32 bank_number); #endif |