From: Murthy NSSR Date: Tue, 9 Oct 2018 09:07:41 +0000 (+0530) Subject: crypto/octeontx: add basic device operations X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=0906b99f3451e4b367c7e8024dee3ee297a0698c;p=dpdk.git crypto/octeontx: add basic device operations Adding the following dev ops, - dev_configure - dev_start - dev_stop - dev_close - dev_infos_get - stats_get - stats_reset Signed-off-by: Ankur Dwivedi Signed-off-by: Anoob Joseph Signed-off-by: Murthy NSSR Signed-off-by: Nithin Dabilpuram Signed-off-by: Ragothaman Jayaraman Signed-off-by: Srisivasubramanian S Signed-off-by: Tejasree Kondoj --- diff --git a/drivers/crypto/octeontx/otx_cryptodev_hw_access.c b/drivers/crypto/octeontx/otx_cryptodev_hw_access.c index eb9fbcf598..303bcc0b80 100644 --- a/drivers/crypto/octeontx/otx_cryptodev_hw_access.c +++ b/drivers/crypto/octeontx/otx_cryptodev_hw_access.c @@ -2,6 +2,7 @@ * Copyright(c) 2018 Cavium, Inc */ #include +#include #include #include @@ -260,3 +261,58 @@ otx_cpt_deinit_device(void *dev) return 0; } + +int +otx_cpt_start_device(void *dev) +{ + int rc; + struct cpt_vf *cptvf = (struct cpt_vf *)dev; + + rc = otx_cpt_send_vf_up(cptvf); + if (rc) { + CPT_LOG_ERR("Failed to mark CPT VF device %s UP, rc = %d", + cptvf->dev_name, rc); + return -EFAULT; + } + + if ((cptvf->vftype != SE_TYPE) && (cptvf->vftype != AE_TYPE)) { + CPT_LOG_ERR("Fatal error, unexpected vf type %u, for CPT VF " + "device %s", cptvf->vftype, cptvf->dev_name); + return -ENOENT; + } + + return 0; +} + +void +otx_cpt_stop_device(void *dev) +{ + int rc; + uint32_t pending, retries = 5; + struct cpt_vf *cptvf = (struct cpt_vf *)dev; + + /* Wait for pending entries to complete */ + pending = otx_cpt_read_vq_doorbell(cptvf); + while (pending) { + CPT_LOG_DP_DEBUG("%s: Waiting for pending %u cmds to complete", + cptvf->dev_name, pending); + sleep(1); + pending = otx_cpt_read_vq_doorbell(cptvf); + retries--; + if (!retries) + break; + } + + if (!retries && pending) { + CPT_LOG_ERR("%s: Timeout waiting for commands(%u)", + cptvf->dev_name, pending); + return; + } + + rc = otx_cpt_send_vf_down(cptvf); + if (rc) { + CPT_LOG_ERR("Failed to bring down vf %s, rc %d", + cptvf->dev_name, rc); + return; + } +} diff --git a/drivers/crypto/octeontx/otx_cryptodev_hw_access.h b/drivers/crypto/octeontx/otx_cryptodev_hw_access.h index 6e5731a00b..b7959835cc 100644 --- a/drivers/crypto/octeontx/otx_cryptodev_hw_access.h +++ b/drivers/crypto/octeontx/otx_cryptodev_hw_access.h @@ -11,6 +11,7 @@ #include #include "cpt_common.h" +#include "cpt_hw_types.h" #define CPT_INTR_POLL_INTERVAL_MS (50) @@ -145,4 +146,33 @@ otx_cpt_hw_init(struct cpt_vf *cptvf, void *pdev, void *reg_base, char *name); int otx_cpt_deinit_device(void *dev); +int +otx_cpt_start_device(void *cptvf); + +void +otx_cpt_stop_device(void *cptvf); + +/* Write to VQX_DOORBELL register + */ +static __rte_always_inline void +otx_cpt_write_vq_doorbell(struct cpt_vf *cptvf, uint32_t val) +{ + cptx_vqx_doorbell_t vqx_dbell; + + vqx_dbell.u = 0; + vqx_dbell.s.dbell_cnt = val * 8; /* Num of Instructions * 8 words */ + CPT_WRITE_CSR(CPT_CSR_REG_BASE(cptvf), + CPTX_VQX_DOORBELL(0, 0), vqx_dbell.u); +} + +static __rte_always_inline uint32_t +otx_cpt_read_vq_doorbell(struct cpt_vf *cptvf) +{ + cptx_vqx_doorbell_t vqx_dbell; + + vqx_dbell.u = CPT_READ_CSR(CPT_CSR_REG_BASE(cptvf), + CPTX_VQX_DOORBELL(0, 0)); + return vqx_dbell.s.dbell_cnt; +} + #endif /* _OTX_CRYPTODEV_HW_ACCESS_H_ */ diff --git a/drivers/crypto/octeontx/otx_cryptodev_ops.c b/drivers/crypto/octeontx/otx_cryptodev_ops.c index 68c6b927a6..905b37a580 100644 --- a/drivers/crypto/octeontx/otx_cryptodev_ops.c +++ b/drivers/crypto/octeontx/otx_cryptodev_ops.c @@ -5,12 +5,14 @@ #include #include #include +#include #include #include "cpt_pmd_logs.h" #include "cpt_pmd_ops_helper.h" #include "otx_cryptodev.h" +#include "otx_cryptodev_capabilities.h" #include "otx_cryptodev_hw_access.h" #include "otx_cryptodev_ops.h" @@ -95,6 +97,97 @@ otx_cpt_periodic_alarm_stop(void *arg) return rte_eal_alarm_cancel(otx_cpt_alarm_cb, arg); } +/* PMD ops */ + +static int +otx_cpt_dev_config(struct rte_cryptodev *dev __rte_unused, + struct rte_cryptodev_config *config __rte_unused) +{ + CPT_PMD_INIT_FUNC_TRACE(); + return 0; +} + +static int +otx_cpt_dev_start(struct rte_cryptodev *c_dev) +{ + void *cptvf = c_dev->data->dev_private; + + CPT_PMD_INIT_FUNC_TRACE(); + + return otx_cpt_start_device(cptvf); +} + +static void +otx_cpt_dev_stop(struct rte_cryptodev *c_dev) +{ + void *cptvf = c_dev->data->dev_private; + + CPT_PMD_INIT_FUNC_TRACE(); + + otx_cpt_stop_device(cptvf); +} + +static int +otx_cpt_dev_close(struct rte_cryptodev *c_dev) +{ + void *cptvf = c_dev->data->dev_private; + + CPT_PMD_INIT_FUNC_TRACE(); + + otx_cpt_periodic_alarm_stop(cptvf); + otx_cpt_deinit_device(cptvf); + + return 0; +} + +static void +otx_cpt_dev_info_get(struct rte_cryptodev *dev, struct rte_cryptodev_info *info) +{ + CPT_PMD_INIT_FUNC_TRACE(); + if (info != NULL) { + info->max_nb_queue_pairs = CPT_NUM_QS_PER_VF; + info->feature_flags = dev->feature_flags; + info->capabilities = otx_get_capabilities(); + info->sym.max_nb_sessions = 0; + info->driver_id = otx_cryptodev_driver_id; + info->min_mbuf_headroom_req = OTX_CPT_MIN_HEADROOM_REQ; + info->min_mbuf_tailroom_req = OTX_CPT_MIN_TAILROOM_REQ; + } +} + +static void +otx_cpt_stats_get(struct rte_cryptodev *dev __rte_unused, + struct rte_cryptodev_stats *stats __rte_unused) +{ + CPT_PMD_INIT_FUNC_TRACE(); +} + +static void +otx_cpt_stats_reset(struct rte_cryptodev *dev __rte_unused) +{ + CPT_PMD_INIT_FUNC_TRACE(); +} + +static struct rte_cryptodev_ops cptvf_ops = { + /* Device related operations */ + .dev_configure = otx_cpt_dev_config, + .dev_start = otx_cpt_dev_start, + .dev_stop = otx_cpt_dev_stop, + .dev_close = otx_cpt_dev_close, + .dev_infos_get = otx_cpt_dev_info_get, + + .stats_get = otx_cpt_stats_get, + .stats_reset = otx_cpt_stats_reset, + .queue_pair_setup = NULL, + .queue_pair_release = NULL, + .queue_pair_count = NULL, + + /* Crypto related operations */ + .sym_session_get_size = NULL, + .sym_session_configure = NULL, + .sym_session_clear = NULL +}; + static void otx_cpt_common_vars_init(struct cpt_vf *cptvf) { @@ -164,7 +257,7 @@ otx_cpt_dev_create(struct rte_cryptodev *c_dev) /* Initialize data path variables used by common code */ otx_cpt_common_vars_init(cptvf); - c_dev->dev_ops = NULL; + c_dev->dev_ops = &cptvf_ops; c_dev->enqueue_burst = NULL; c_dev->dequeue_burst = NULL; diff --git a/drivers/crypto/octeontx/otx_cryptodev_ops.h b/drivers/crypto/octeontx/otx_cryptodev_ops.h index ac88fa5753..b3efecf04a 100644 --- a/drivers/crypto/octeontx/otx_cryptodev_ops.h +++ b/drivers/crypto/octeontx/otx_cryptodev_ops.h @@ -5,6 +5,10 @@ #ifndef _OTX_CRYPTODEV_OPS_H_ #define _OTX_CRYPTODEV_OPS_H_ +#define OTX_CPT_MIN_HEADROOM_REQ (24) +#define OTX_CPT_MIN_TAILROOM_REQ (8) +#define CPT_NUM_QS_PER_VF (1) + void cleanup_global_resources(void);