diff options
Diffstat (limited to 'drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c')
| -rw-r--r-- | drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c b/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c index 34c6cd8e27c0..5dafd9a270db 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c +++ b/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c @@ -2,7 +2,10 @@ /* Copyright(c) 2022 Intel Corporation */ #include <linux/bitfield.h> #include <linux/iopoll.h> +#include <linux/kernel.h> + #include "adf_accel_devices.h" +#include "adf_admin.h" #include "adf_common_drv.h" #include "adf_gen4_pm.h" #include "adf_cfg_strings.h" @@ -10,11 +13,6 @@ #include "adf_gen4_hw_data.h" #include "adf_cfg.h" -enum qat_pm_host_msg { - PM_NO_CHANGE = 0, - PM_SET_MIN, -}; - struct adf_gen4_pm_data { struct work_struct pm_irq_work; struct adf_accel_dev *accel_dev; @@ -25,6 +23,7 @@ static int send_host_msg(struct adf_accel_dev *accel_dev) { char pm_idle_support_cfg[ADF_CFG_MAX_VAL_LEN_IN_BYTES] = {}; void __iomem *pmisc = adf_get_pmisc_base(accel_dev); + struct adf_pm *pm = &accel_dev->power_management; bool pm_idle_support; u32 msg; int ret; @@ -39,6 +38,11 @@ static int send_host_msg(struct adf_accel_dev *accel_dev) if (ret) pm_idle_support = true; + if (pm_idle_support) + pm->host_ack_counter++; + else + pm->host_nack_counter++; + /* Send HOST_MSG */ msg = FIELD_PREP(ADF_GEN4_PM_MSG_PAYLOAD_BIT_MASK, pm_idle_support ? PM_SET_MIN : PM_NO_CHANGE); @@ -59,17 +63,27 @@ static void pm_bh_handler(struct work_struct *work) container_of(work, struct adf_gen4_pm_data, pm_irq_work); struct adf_accel_dev *accel_dev = pm_data->accel_dev; void __iomem *pmisc = adf_get_pmisc_base(accel_dev); + struct adf_pm *pm = &accel_dev->power_management; u32 pm_int_sts = pm_data->pm_int_sts; u32 val; /* PM Idle interrupt */ if (pm_int_sts & ADF_GEN4_PM_IDLE_STS) { + pm->idle_irq_counters++; /* Issue host message to FW */ if (send_host_msg(accel_dev)) dev_warn_ratelimited(&GET_DEV(accel_dev), "Failed to send host msg to FW\n"); } + /* PM throttle interrupt */ + if (pm_int_sts & ADF_GEN4_PM_THR_STS) + pm->throttle_irq_counters++; + + /* PM fw interrupt */ + if (pm_int_sts & ADF_GEN4_PM_FW_INT_STS) + pm->fw_irq_counters++; + /* Clear interrupt status */ ADF_CSR_WR(pmisc, ADF_GEN4_PM_INTERRUPT, pm_int_sts); @@ -129,6 +143,9 @@ int adf_gen4_enable_pm(struct adf_accel_dev *accel_dev) if (ret) return ret; + /* Initialize PM internal data */ + adf_gen4_init_dev_pm_data(accel_dev); + /* Enable default PM interrupts: IDLE, THROTTLE */ val = ADF_CSR_RD(pmisc, ADF_GEN4_PM_INTERRUPT); val |= ADF_GEN4_PM_INT_EN_DEFAULT; |