diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
commit | 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch) | |
tree | fa581f6dc1c0596391690d1f67eceef3af8246dc /drivers/crypto/qat/qat_common/qat_crypto.c | |
parent | d4e493caf788ef44982e131ff9c786546904d934 (diff) |
Linux-libre 4.5-gnu
Diffstat (limited to 'drivers/crypto/qat/qat_common/qat_crypto.c')
-rw-r--r-- | drivers/crypto/qat/qat_common/qat_crypto.c | 136 |
1 files changed, 108 insertions, 28 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_crypto.c b/drivers/crypto/qat/qat_common/qat_crypto.c index 9cab15497..3852d31ce 100644 --- a/drivers/crypto/qat/qat_common/qat_crypto.c +++ b/drivers/crypto/qat/qat_common/qat_crypto.c @@ -49,6 +49,7 @@ #include "adf_accel_devices.h" #include "adf_common_drv.h" #include "adf_transport.h" +#include "adf_transport_access_macros.h" #include "adf_cfg.h" #include "adf_cfg_strings.h" #include "qat_crypto.h" @@ -66,13 +67,10 @@ void qat_crypto_put_instance(struct qat_crypto_instance *inst) static int qat_crypto_free_instances(struct adf_accel_dev *accel_dev) { - struct qat_crypto_instance *inst; - struct list_head *list_ptr, *tmp; + struct qat_crypto_instance *inst, *tmp; int i; - list_for_each_safe(list_ptr, tmp, &accel_dev->crypto_list) { - inst = list_entry(list_ptr, struct qat_crypto_instance, list); - + list_for_each_entry_safe(inst, tmp, &accel_dev->crypto_list, list) { for (i = 0; i < atomic_read(&inst->refctr); i++) qat_crypto_put_instance(inst); @@ -88,7 +86,7 @@ static int qat_crypto_free_instances(struct adf_accel_dev *accel_dev) if (inst->pke_rx) adf_remove_ring(inst->pke_rx); - list_del(list_ptr); + list_del(&inst->list); kfree(inst); } return 0; @@ -96,17 +94,13 @@ static int qat_crypto_free_instances(struct adf_accel_dev *accel_dev) struct qat_crypto_instance *qat_crypto_get_instance_node(int node) { - struct adf_accel_dev *accel_dev = NULL; - struct qat_crypto_instance *inst = NULL; - struct list_head *itr; + struct adf_accel_dev *accel_dev = NULL, *tmp_dev; + struct qat_crypto_instance *inst = NULL, *tmp_inst; unsigned long best = ~0; - list_for_each(itr, adf_devmgr_get_head()) { - struct adf_accel_dev *tmp_dev; + list_for_each_entry(tmp_dev, adf_devmgr_get_head(), list) { unsigned long ctr; - tmp_dev = list_entry(itr, struct adf_accel_dev, list); - if ((node == dev_to_node(&GET_DEV(tmp_dev)) || dev_to_node(&GET_DEV(tmp_dev)) < 0) && adf_dev_started(tmp_dev) && @@ -118,19 +112,16 @@ struct qat_crypto_instance *qat_crypto_get_instance_node(int node) } } } - if (!accel_dev) - pr_info("QAT: Could not find a device on node %d\n", node); - - /* Get any started device */ - list_for_each(itr, adf_devmgr_get_head()) { - struct adf_accel_dev *tmp_dev; - tmp_dev = list_entry(itr, struct adf_accel_dev, list); - - if (adf_dev_started(tmp_dev) && - !list_empty(&tmp_dev->crypto_list)) { - accel_dev = tmp_dev; - break; + if (!accel_dev) { + pr_info("QAT: Could not find a device on node %d\n", node); + /* Get any started device */ + list_for_each_entry(tmp_dev, adf_devmgr_get_head(), list) { + if (adf_dev_started(tmp_dev) && + !list_empty(&tmp_dev->crypto_list)) { + accel_dev = tmp_dev; + break; + } } } @@ -138,11 +129,9 @@ struct qat_crypto_instance *qat_crypto_get_instance_node(int node) return NULL; best = ~0; - list_for_each(itr, &accel_dev->crypto_list) { - struct qat_crypto_instance *tmp_inst; + list_for_each_entry(tmp_inst, &accel_dev->crypto_list, list) { unsigned long ctr; - tmp_inst = list_entry(itr, struct qat_crypto_instance, list); ctr = atomic_read(&tmp_inst->refctr); if (best > ctr) { inst = tmp_inst; @@ -159,6 +148,97 @@ struct qat_crypto_instance *qat_crypto_get_instance_node(int node) return inst; } +/** + * qat_crypto_dev_config() - create dev config required to create crypto inst. + * + * @accel_dev: Pointer to acceleration device. + * + * Function creates device configuration required to create crypto instances + * + * Return: 0 on success, error code otherwise. + */ +int qat_crypto_dev_config(struct adf_accel_dev *accel_dev) +{ + int cpus = num_online_cpus(); + int banks = GET_MAX_BANKS(accel_dev); + int instances = min(cpus, banks); + char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES]; + int i; + unsigned long val; + + if (adf_cfg_section_add(accel_dev, ADF_KERNEL_SEC)) + goto err; + if (adf_cfg_section_add(accel_dev, "Accelerator0")) + goto err; + for (i = 0; i < instances; i++) { + val = i; + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_BANK_NUM, i); + if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, (void *)&val, ADF_DEC)) + goto err; + + snprintf(key, sizeof(key), ADF_CY "%d" ADF_ETRMGR_CORE_AFFINITY, + i); + if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, (void *)&val, ADF_DEC)) + goto err; + + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_SIZE, i); + val = 128; + if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, (void *)&val, ADF_DEC)) + goto err; + + val = 512; + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_SIZE, i); + if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, (void *)&val, ADF_DEC)) + goto err; + + val = 0; + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_TX, i); + if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, (void *)&val, ADF_DEC)) + goto err; + + val = 2; + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_TX, i); + if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, (void *)&val, ADF_DEC)) + goto err; + + val = 8; + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_RX, i); + if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, (void *)&val, ADF_DEC)) + goto err; + + val = 10; + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_RX, i); + if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, (void *)&val, ADF_DEC)) + goto err; + + val = ADF_COALESCING_DEF_TIME; + snprintf(key, sizeof(key), ADF_ETRMGR_COALESCE_TIMER_FORMAT, i); + if (adf_cfg_add_key_value_param(accel_dev, "Accelerator0", + key, (void *)&val, ADF_DEC)) + goto err; + } + + val = i; + if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + ADF_NUM_CY, (void *)&val, ADF_DEC)) + goto err; + + set_bit(ADF_STATUS_CONFIGURED, &accel_dev->status); + return 0; +err: + dev_err(&GET_DEV(accel_dev), "Failed to start QAT accel dev\n"); + return -EINVAL; +} +EXPORT_SYMBOL_GPL(qat_crypto_dev_config); + static int qat_crypto_create_instances(struct adf_accel_dev *accel_dev) { int i; |