diff options
Diffstat (limited to 'drivers/crypto/intel/qat/qat_common/adf_sysfs.c')
| -rw-r--r-- | drivers/crypto/intel/qat/qat_common/adf_sysfs.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_sysfs.c b/drivers/crypto/intel/qat/qat_common/adf_sysfs.c index f4a89f7ed4e9..9317127128a9 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_sysfs.c +++ b/drivers/crypto/intel/qat/qat_common/adf_sysfs.c @@ -8,6 +8,8 @@ #include "adf_cfg_services.h" #include "adf_common_drv.h" +#define UNSET_RING_NUM -1 + static const char * const state_operations[] = { [DEV_DOWN] = "down", [DEV_UP] = "up", @@ -205,10 +207,72 @@ static DEVICE_ATTR_RW(pm_idle_enabled); static DEVICE_ATTR_RW(state); static DEVICE_ATTR_RW(cfg_services); +static ssize_t rp2srv_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct adf_hw_device_data *hw_data; + struct adf_accel_dev *accel_dev; + enum adf_cfg_service_type svc; + + accel_dev = adf_devmgr_pci_to_accel_dev(to_pci_dev(dev)); + hw_data = GET_HW_DATA(accel_dev); + + if (accel_dev->sysfs.ring_num == UNSET_RING_NUM) + return -EINVAL; + + down_read(&accel_dev->sysfs.lock); + svc = GET_SRV_TYPE(accel_dev, accel_dev->sysfs.ring_num % + hw_data->num_banks_per_vf); + up_read(&accel_dev->sysfs.lock); + + switch (svc) { + case COMP: + return sysfs_emit(buf, "%s\n", ADF_CFG_DC); + case SYM: + return sysfs_emit(buf, "%s\n", ADF_CFG_SYM); + case ASYM: + return sysfs_emit(buf, "%s\n", ADF_CFG_ASYM); + default: + break; + } + return -EINVAL; +} + +static ssize_t rp2srv_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct adf_accel_dev *accel_dev; + int ring, num_rings, ret; + + accel_dev = adf_devmgr_pci_to_accel_dev(to_pci_dev(dev)); + if (!accel_dev) + return -EINVAL; + + ret = kstrtouint(buf, 10, &ring); + if (ret) + return ret; + + num_rings = GET_MAX_BANKS(accel_dev); + if (ring >= num_rings) { + dev_err(&GET_DEV(accel_dev), + "Device does not support more than %u ring pairs\n", + num_rings); + return -EINVAL; + } + + down_write(&accel_dev->sysfs.lock); + accel_dev->sysfs.ring_num = ring; + up_write(&accel_dev->sysfs.lock); + + return count; +} +static DEVICE_ATTR_RW(rp2srv); + static struct attribute *qat_attrs[] = { &dev_attr_state.attr, &dev_attr_cfg_services.attr, &dev_attr_pm_idle_enabled.attr, + &dev_attr_rp2srv.attr, NULL, }; @@ -227,6 +291,8 @@ int adf_sysfs_init(struct adf_accel_dev *accel_dev) "Failed to create qat attribute group: %d\n", ret); } + accel_dev->sysfs.ring_num = UNSET_RING_NUM; + return ret; } EXPORT_SYMBOL_GPL(adf_sysfs_init); |