new file mode 100644
@@ -0,0 +1,209 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2021-2024 Advanced Micro Devices, Inc.
+ */
+
+#ifndef _IONIC_CRYPTO_H_
+#define _IONIC_CRYPTO_H_
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <inttypes.h>
+
+#include <rte_common.h>
+#include <rte_dev.h>
+#include <rte_cryptodev.h>
+#include <cryptodev_pmd.h>
+#include <rte_log.h>
+#include <rte_bitmap.h>
+
+#include "ionic_common.h"
+#include "ionic_crypto_if.h"
+#include "ionic_regs.h"
+
+#define IOCPT_ADMINQ_LENGTH 16 /* must be a power of two */
+
+#define IOCPT_CRYPTOQ_WAIT 10 /* 1s */
+
+extern int iocpt_logtype;
+
+#define IOCPT_PRINT(level, fmt, args...) rte_log(RTE_LOG_ ## level, \
+ iocpt_logtype, "%s(): " fmt "\n", __func__, ##args)
+
+#define IOCPT_PRINT_CALL() IOCPT_PRINT(DEBUG, " >>")
+
+struct iocpt_qtype_info {
+ uint8_t version;
+ uint8_t supported;
+ uint64_t features;
+ uint16_t desc_sz;
+ uint16_t comp_sz;
+ uint16_t sg_desc_sz;
+ uint16_t max_sg_elems;
+ uint16_t sg_desc_stride;
+};
+
+#define IOCPT_Q_F_INITED BIT(0)
+#define IOCPT_Q_F_DEFERRED BIT(1)
+#define IOCPT_Q_F_SG BIT(2)
+
+#define Q_NEXT_TO_POST(_q, _n) (((_q)->head_idx + (_n)) & ((_q)->size_mask))
+#define Q_NEXT_TO_SRVC(_q, _n) (((_q)->tail_idx + (_n)) & ((_q)->size_mask))
+
+#define IOCPT_INFO_SZ(_q) ((_q)->num_segs * sizeof(void *))
+#define IOCPT_INFO_IDX(_q, _i) ((_i) * (_q)->num_segs)
+#define IOCPT_INFO_PTR(_q, _i) (&(_q)->info[IOCPT_INFO_IDX((_q), _i)])
+
+struct iocpt_queue {
+ uint16_t num_descs;
+ uint16_t num_segs;
+ uint16_t head_idx;
+ uint16_t tail_idx;
+ uint16_t size_mask;
+ uint8_t type;
+ uint8_t hw_type;
+ void *base;
+ void *sg_base;
+ struct ionic_doorbell __iomem *db;
+ void **info;
+
+ uint32_t index;
+ uint32_t hw_index;
+ rte_iova_t base_pa;
+ rte_iova_t sg_base_pa;
+};
+
+struct iocpt_cq {
+ uint16_t tail_idx;
+ uint16_t num_descs;
+ uint16_t size_mask;
+ bool done_color;
+ void *base;
+ rte_iova_t base_pa;
+};
+
+#define IOCPT_COMMON_FIELDS \
+ struct iocpt_queue q; \
+ struct iocpt_cq cq; \
+ struct iocpt_dev *dev; \
+ const struct rte_memzone *base_z; \
+ void *base; \
+ rte_iova_t base_pa
+
+struct iocpt_common_q {
+ IOCPT_COMMON_FIELDS;
+};
+
+struct iocpt_admin_q {
+ IOCPT_COMMON_FIELDS;
+
+ uint16_t flags;
+};
+
+#define IOCPT_DEV_F_INITED BIT(0)
+#define IOCPT_DEV_F_UP BIT(1)
+#define IOCPT_DEV_F_FW_RESET BIT(2)
+
+/* Combined dev / LIF object */
+struct iocpt_dev {
+ const char *name;
+ char fw_version[IOCPT_FWVERS_BUFLEN];
+ struct iocpt_identity ident;
+
+ void *bus_dev;
+ struct rte_cryptodev *crypto_dev;
+
+ union iocpt_dev_info_regs __iomem *dev_info;
+ union iocpt_dev_cmd_regs __iomem *dev_cmd;
+
+ struct ionic_doorbell __iomem *db_pages;
+ struct ionic_intr __iomem *intr_ctrl;
+
+ uint32_t max_qps;
+ uint32_t max_sessions;
+ uint16_t state;
+ uint8_t driver_id;
+ uint8_t socket_id;
+
+ rte_spinlock_t adminq_lock;
+ rte_spinlock_t adminq_service_lock;
+
+ struct iocpt_admin_q *adminq;
+
+ uint64_t features;
+ uint32_t hw_features;
+
+ uint32_t info_sz;
+ struct iocpt_lif_info *info;
+ rte_iova_t info_pa;
+ const struct rte_memzone *info_z;
+
+ struct iocpt_qtype_info qtype_info[IOCPT_QTYPE_MAX];
+ uint8_t qtype_ver[IOCPT_QTYPE_MAX];
+
+ struct rte_cryptodev_stats stats_base;
+};
+
+/** iocpt_admin_ctx - Admin command context.
+ * @pending_work: Flag that indicates a completion.
+ * @cmd: Admin command (64B) to be copied to the queue.
+ * @comp: Admin completion (16B) copied from the queue.
+ */
+struct iocpt_admin_ctx {
+ bool pending_work;
+ union iocpt_adminq_cmd cmd;
+ union iocpt_adminq_comp comp;
+};
+
+int iocpt_dev_identify(struct iocpt_dev *dev);
+int iocpt_dev_init(struct iocpt_dev *dev, rte_iova_t info_pa);
+int iocpt_dev_adminq_init(struct iocpt_dev *dev);
+void iocpt_dev_reset(struct iocpt_dev *dev);
+
+int iocpt_adminq_post_wait(struct iocpt_dev *dev, struct iocpt_admin_ctx *ctx);
+
+struct ionic_doorbell __iomem *iocpt_db_map(struct iocpt_dev *dev,
+ struct iocpt_queue *q);
+
+typedef bool (*iocpt_cq_cb)(struct iocpt_cq *cq, uint16_t cq_desc_index,
+ void *cb_arg);
+uint32_t iocpt_cq_service(struct iocpt_cq *cq, uint32_t work_to_do,
+ iocpt_cq_cb cb, void *cb_arg);
+
+static inline uint16_t
+iocpt_q_space_avail(struct iocpt_queue *q)
+{
+ uint16_t avail = q->tail_idx;
+
+ if (q->head_idx >= avail)
+ avail += q->num_descs - q->head_idx - 1;
+ else
+ avail -= q->head_idx + 1;
+
+ return avail;
+}
+
+static inline void
+iocpt_q_flush(struct iocpt_queue *q)
+{
+ uint64_t val = IONIC_DBELL_QID(q->hw_index) | q->head_idx;
+
+#if defined(RTE_LIBRTE_IONIC_PMD_BARRIER_ERRATA)
+ /* On some devices the standard 'dmb' barrier is insufficient */
+ asm volatile("dsb st" : : : "memory");
+ rte_write64_relaxed(rte_cpu_to_le_64(val), q->db);
+#else
+ rte_write64(rte_cpu_to_le_64(val), q->db);
+#endif
+}
+
+static inline bool
+iocpt_is_embedded(void)
+{
+#if defined(RTE_LIBRTE_IONIC_PMD_EMBEDDED)
+ return true;
+#else
+ return false;
+#endif
+}
+
+#endif /* _IONIC_CRYPTO_H_ */
new file mode 100644
@@ -0,0 +1,651 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2021-2024 Advanced Micro Devices, Inc.
+ */
+
+#include <stdbool.h>
+
+#include <rte_malloc.h>
+#include <rte_memzone.h>
+
+#include "ionic_crypto.h"
+
+/* queuetype support level */
+static const uint8_t iocpt_qtype_vers[IOCPT_QTYPE_MAX] = {
+ [IOCPT_QTYPE_ADMINQ] = 0, /* 0 = Base version */
+ [IOCPT_QTYPE_NOTIFYQ] = 0, /* 0 = Base version */
+ [IOCPT_QTYPE_CRYPTOQ] = 0, /* 0 = Base version */
+};
+
+static const char *
+iocpt_error_to_str(enum iocpt_status_code code)
+{
+ switch (code) {
+ case IOCPT_RC_SUCCESS:
+ return "IOCPT_RC_SUCCESS";
+ case IOCPT_RC_EVERSION:
+ return "IOCPT_RC_EVERSION";
+ case IOCPT_RC_EOPCODE:
+ return "IOCPT_RC_EOPCODE";
+ case IOCPT_RC_EIO:
+ return "IOCPT_RC_EIO";
+ case IOCPT_RC_EPERM:
+ return "IOCPT_RC_EPERM";
+ case IOCPT_RC_EQID:
+ return "IOCPT_RC_EQID";
+ case IOCPT_RC_EQTYPE:
+ return "IOCPT_RC_EQTYPE";
+ case IOCPT_RC_ENOENT:
+ return "IOCPT_RC_ENOENT";
+ case IOCPT_RC_EINTR:
+ return "IOCPT_RC_EINTR";
+ case IOCPT_RC_EAGAIN:
+ return "IOCPT_RC_EAGAIN";
+ case IOCPT_RC_ENOMEM:
+ return "IOCPT_RC_ENOMEM";
+ case IOCPT_RC_EFAULT:
+ return "IOCPT_RC_EFAULT";
+ case IOCPT_RC_EBUSY:
+ return "IOCPT_RC_EBUSY";
+ case IOCPT_RC_EEXIST:
+ return "IOCPT_RC_EEXIST";
+ case IOCPT_RC_EINVAL:
+ return "IOCPT_RC_EINVAL";
+ case IOCPT_RC_ENOSPC:
+ return "IOCPT_RC_ENOSPC";
+ case IOCPT_RC_ERANGE:
+ return "IOCPT_RC_ERANGE";
+ case IOCPT_RC_BAD_ADDR:
+ return "IOCPT_RC_BAD_ADDR";
+ case IOCPT_RC_DEV_CMD:
+ return "IOCPT_RC_DEV_CMD";
+ case IOCPT_RC_ERROR:
+ return "IOCPT_RC_ERROR";
+ default:
+ return "IOCPT_RC_UNKNOWN";
+ }
+}
+
+static const char *
+iocpt_opcode_to_str(enum iocpt_cmd_opcode opcode)
+{
+ switch (opcode) {
+ case IOCPT_CMD_NOP:
+ return "IOCPT_CMD_NOP";
+ case IOCPT_CMD_IDENTIFY:
+ return "IOCPT_CMD_IDENTIFY";
+ case IOCPT_CMD_RESET:
+ return "IOCPT_CMD_RESET";
+ case IOCPT_CMD_LIF_IDENTIFY:
+ return "IOCPT_CMD_LIF_IDENTIFY";
+ case IOCPT_CMD_LIF_INIT:
+ return "IOCPT_CMD_LIF_INIT";
+ case IOCPT_CMD_LIF_RESET:
+ return "IOCPT_CMD_LIF_RESET";
+ case IOCPT_CMD_LIF_GETATTR:
+ return "IOCPT_CMD_LIF_GETATTR";
+ case IOCPT_CMD_LIF_SETATTR:
+ return "IOCPT_CMD_LIF_SETATTR";
+ case IOCPT_CMD_Q_IDENTIFY:
+ return "IOCPT_CMD_Q_IDENTIFY";
+ case IOCPT_CMD_Q_INIT:
+ return "IOCPT_CMD_Q_INIT";
+ case IOCPT_CMD_Q_CONTROL:
+ return "IOCPT_CMD_Q_CONTROL";
+ case IOCPT_CMD_SESS_CONTROL:
+ return "IOCPT_CMD_SESS_CONTROL";
+ default:
+ return "DEVCMD_UNKNOWN";
+ }
+}
+
+/* Dev_cmd Interface */
+
+static void
+iocpt_dev_cmd_go(struct iocpt_dev *dev, union iocpt_dev_cmd *cmd)
+{
+ uint32_t cmd_size = RTE_DIM(cmd->words);
+ uint32_t i;
+
+ IOCPT_PRINT(DEBUG, "Sending %s (%d) via dev_cmd",
+ iocpt_opcode_to_str(cmd->cmd.opcode), cmd->cmd.opcode);
+
+ for (i = 0; i < cmd_size; i++)
+ iowrite32(cmd->words[i], &dev->dev_cmd->cmd.words[i]);
+
+ iowrite32(0, &dev->dev_cmd->done);
+ iowrite32(1, &dev->dev_cmd->doorbell);
+}
+
+static int
+iocpt_dev_cmd_wait(struct iocpt_dev *dev, unsigned long max_wait)
+{
+ unsigned long step_usec = IONIC_DEVCMD_CHECK_PERIOD_US;
+ unsigned long max_wait_usec = max_wait * 1000000L;
+ unsigned long elapsed_usec = 0;
+ int done;
+
+ /* Wait for dev cmd to complete.. but no more than max_wait sec */
+
+ do {
+ done = ioread32(&dev->dev_cmd->done) & IONIC_DEV_CMD_DONE;
+ if (done != 0) {
+ IOCPT_PRINT(DEBUG, "DEVCMD %d done took %lu usecs",
+ ioread8(&dev->dev_cmd->cmd.cmd.opcode),
+ elapsed_usec);
+ return 0;
+ }
+
+ rte_delay_us_block(step_usec);
+
+ elapsed_usec += step_usec;
+ } while (elapsed_usec < max_wait_usec);
+
+ IOCPT_PRINT(ERR, "DEVCMD %d timeout after %lu usecs",
+ ioread8(&dev->dev_cmd->cmd.cmd.opcode), elapsed_usec);
+
+ return -ETIMEDOUT;
+}
+
+static void
+iocpt_dev_cmd_comp(struct iocpt_dev *dev, void *mem)
+{
+ union iocpt_dev_cmd_comp *comp = mem;
+ uint32_t comp_size = RTE_DIM(comp->words);
+ uint32_t i;
+
+ for (i = 0; i < comp_size; i++)
+ comp->words[i] = ioread32(&dev->dev_cmd->comp.words[i]);
+}
+
+
+static int
+iocpt_dev_cmd_wait_check(struct iocpt_dev *dev, unsigned long max_wait)
+{
+ uint8_t status;
+ int err;
+
+ err = iocpt_dev_cmd_wait(dev, max_wait);
+ if (err == 0) {
+ status = ioread8(&dev->dev_cmd->comp.comp.status);
+ if (status == IOCPT_RC_EAGAIN)
+ err = -EAGAIN;
+ else if (status != 0)
+ err = -EIO;
+ }
+
+ IOCPT_PRINT(DEBUG, "dev_cmd returned %d", err);
+ return err;
+}
+
+/* Dev_cmds */
+
+static void
+iocpt_dev_cmd_reset(struct iocpt_dev *dev)
+{
+ union iocpt_dev_cmd cmd = {
+ .reset.opcode = IOCPT_CMD_RESET,
+ };
+
+ iocpt_dev_cmd_go(dev, &cmd);
+}
+
+static void
+iocpt_dev_cmd_lif_identify(struct iocpt_dev *dev, uint8_t ver)
+{
+ union iocpt_dev_cmd cmd = {
+ .lif_identify.opcode = IOCPT_CMD_LIF_IDENTIFY,
+ .lif_identify.type = IOCPT_LIF_TYPE_DEFAULT,
+ .lif_identify.ver = ver,
+ };
+
+ iocpt_dev_cmd_go(dev, &cmd);
+}
+
+static void
+iocpt_dev_cmd_lif_init(struct iocpt_dev *dev, rte_iova_t info_pa)
+{
+ union iocpt_dev_cmd cmd = {
+ .lif_init.opcode = IOCPT_CMD_LIF_INIT,
+ .lif_init.type = IOCPT_LIF_TYPE_DEFAULT,
+ .lif_init.info_pa = info_pa,
+ };
+
+ iocpt_dev_cmd_go(dev, &cmd);
+}
+
+static void
+iocpt_dev_cmd_lif_reset(struct iocpt_dev *dev)
+{
+ union iocpt_dev_cmd cmd = {
+ .lif_reset.opcode = IOCPT_CMD_LIF_RESET,
+ };
+
+ iocpt_dev_cmd_go(dev, &cmd);
+}
+
+static void
+iocpt_dev_cmd_queue_identify(struct iocpt_dev *dev,
+ uint8_t qtype, uint8_t qver)
+{
+ union iocpt_dev_cmd cmd = {
+ .q_identify.opcode = IOCPT_CMD_Q_IDENTIFY,
+ .q_identify.type = qtype,
+ .q_identify.ver = qver,
+ };
+
+ iocpt_dev_cmd_go(dev, &cmd);
+}
+
+static void
+iocpt_dev_cmd_adminq_init(struct iocpt_dev *dev)
+{
+ struct iocpt_queue *q = &dev->adminq->q;
+ struct iocpt_cq *cq = &dev->adminq->cq;
+
+ union iocpt_dev_cmd cmd = {
+ .q_init.opcode = IOCPT_CMD_Q_INIT,
+ .q_init.type = q->type,
+ .q_init.ver = dev->qtype_info[q->type].version,
+ .q_init.index = rte_cpu_to_le_32(q->index),
+ .q_init.flags = rte_cpu_to_le_16(IOCPT_QINIT_F_ENA),
+ .q_init.intr_index = rte_cpu_to_le_16(IONIC_INTR_NONE),
+ .q_init.ring_size = rte_log2_u32(q->num_descs),
+ .q_init.ring_base = rte_cpu_to_le_64(q->base_pa),
+ .q_init.cq_ring_base = rte_cpu_to_le_64(cq->base_pa),
+ };
+
+ IOCPT_PRINT(DEBUG, "adminq.q_init.ver %u", cmd.q_init.ver);
+
+ iocpt_dev_cmd_go(dev, &cmd);
+}
+
+/* Dev_cmd consumers */
+
+static void
+iocpt_queue_identify(struct iocpt_dev *dev)
+{
+ union iocpt_q_identity *q_ident = &dev->ident.q;
+ uint32_t q_words = RTE_DIM(q_ident->words);
+ uint32_t cmd_words = RTE_DIM(dev->dev_cmd->data);
+ uint32_t i, nwords, qtype;
+ int err;
+
+ for (qtype = 0; qtype < RTE_DIM(iocpt_qtype_vers); qtype++) {
+ struct iocpt_qtype_info *qti = &dev->qtype_info[qtype];
+
+ /* Filter out the types this driver knows about */
+ switch (qtype) {
+ case IOCPT_QTYPE_ADMINQ:
+ case IOCPT_QTYPE_NOTIFYQ:
+ case IOCPT_QTYPE_CRYPTOQ:
+ break;
+ default:
+ continue;
+ }
+
+ memset(qti, 0, sizeof(*qti));
+
+ if (iocpt_is_embedded()) {
+ /* When embedded, FW will always match the driver */
+ qti->version = iocpt_qtype_vers[qtype];
+ continue;
+ }
+
+ /* On the host, query the FW for info */
+ iocpt_dev_cmd_queue_identify(dev,
+ qtype, iocpt_qtype_vers[qtype]);
+ err = iocpt_dev_cmd_wait_check(dev, IONIC_DEVCMD_TIMEOUT);
+ if (err == -EINVAL) {
+ IOCPT_PRINT(ERR, "qtype %d not supported\n", qtype);
+ continue;
+ } else if (err == -EIO) {
+ IOCPT_PRINT(ERR, "q_ident failed, older FW\n");
+ return;
+ } else if (err != 0) {
+ IOCPT_PRINT(ERR, "q_ident failed, qtype %d: %d\n",
+ qtype, err);
+ return;
+ }
+
+ nwords = RTE_MIN(q_words, cmd_words);
+ for (i = 0; i < nwords; i++)
+ q_ident->words[i] = ioread32(&dev->dev_cmd->data[i]);
+
+ qti->version = q_ident->version;
+ qti->supported = q_ident->supported;
+ qti->features = rte_le_to_cpu_64(q_ident->features);
+ qti->desc_sz = rte_le_to_cpu_16(q_ident->desc_sz);
+ qti->comp_sz = rte_le_to_cpu_16(q_ident->comp_sz);
+ qti->sg_desc_sz = rte_le_to_cpu_16(q_ident->sg_desc_sz);
+ qti->max_sg_elems = rte_le_to_cpu_16(q_ident->max_sg_elems);
+ qti->sg_desc_stride =
+ rte_le_to_cpu_16(q_ident->sg_desc_stride);
+
+ IOCPT_PRINT(DEBUG, " qtype[%d].version = %d",
+ qtype, qti->version);
+ IOCPT_PRINT(DEBUG, " qtype[%d].supported = %#x",
+ qtype, qti->supported);
+ IOCPT_PRINT(DEBUG, " qtype[%d].features = %#jx",
+ qtype, qti->features);
+ IOCPT_PRINT(DEBUG, " qtype[%d].desc_sz = %d",
+ qtype, qti->desc_sz);
+ IOCPT_PRINT(DEBUG, " qtype[%d].comp_sz = %d",
+ qtype, qti->comp_sz);
+ IOCPT_PRINT(DEBUG, " qtype[%d].sg_desc_sz = %d",
+ qtype, qti->sg_desc_sz);
+ IOCPT_PRINT(DEBUG, " qtype[%d].max_sg_elems = %d",
+ qtype, qti->max_sg_elems);
+ IOCPT_PRINT(DEBUG, " qtype[%d].sg_desc_stride = %d",
+ qtype, qti->sg_desc_stride);
+ }
+}
+
+int
+iocpt_dev_identify(struct iocpt_dev *dev)
+{
+ union iocpt_lif_identity *ident = &dev->ident.lif;
+ union iocpt_lif_config *cfg = &ident->config;
+ uint64_t features;
+ uint32_t cmd_size = RTE_DIM(dev->dev_cmd->data);
+ uint32_t dev_size = RTE_DIM(ident->words);
+ uint32_t i, nwords;
+ int err;
+
+ memset(ident, 0, sizeof(*ident));
+
+ iocpt_dev_cmd_lif_identify(dev, IOCPT_IDENTITY_VERSION_1);
+ err = iocpt_dev_cmd_wait_check(dev, IONIC_DEVCMD_TIMEOUT);
+ if (err != 0)
+ return err;
+
+ nwords = RTE_MIN(dev_size, cmd_size);
+ for (i = 0; i < nwords; i++)
+ ident->words[i] = ioread32(&dev->dev_cmd->data[i]);
+
+ dev->max_qps =
+ rte_le_to_cpu_32(cfg->queue_count[IOCPT_QTYPE_CRYPTOQ]);
+ dev->max_sessions =
+ rte_le_to_cpu_32(ident->max_nb_sessions);
+
+ features = rte_le_to_cpu_64(ident->features);
+ dev->features = RTE_CRYPTODEV_FF_HW_ACCELERATED;
+ if (features & IOCPT_HW_SYM)
+ dev->features |= RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO;
+ if (features & IOCPT_HW_ASYM)
+ dev->features |= RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO;
+ if (features & IOCPT_HW_CHAIN)
+ dev->features |= RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING;
+ if (features & IOCPT_HW_IP)
+ dev->features |= RTE_CRYPTODEV_FF_IN_PLACE_SGL;
+ if (features & IOCPT_HW_OOP) {
+ dev->features |= RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT;
+ dev->features |= RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT;
+ dev->features |= RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT;
+ dev->features |= RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT;
+ }
+
+ IOCPT_PRINT(INFO, "crypto.features %#jx",
+ rte_le_to_cpu_64(ident->features));
+ IOCPT_PRINT(INFO, "crypto.features_active %#jx",
+ rte_le_to_cpu_64(cfg->features));
+ IOCPT_PRINT(INFO, "crypto.queue_count[IOCPT_QTYPE_ADMINQ] %#x",
+ rte_le_to_cpu_32(cfg->queue_count[IOCPT_QTYPE_ADMINQ]));
+ IOCPT_PRINT(INFO, "crypto.queue_count[IOCPT_QTYPE_NOTIFYQ] %#x",
+ rte_le_to_cpu_32(cfg->queue_count[IOCPT_QTYPE_NOTIFYQ]));
+ IOCPT_PRINT(INFO, "crypto.queue_count[IOCPT_QTYPE_CRYPTOQ] %#x",
+ rte_le_to_cpu_32(cfg->queue_count[IOCPT_QTYPE_CRYPTOQ]));
+ IOCPT_PRINT(INFO, "crypto.max_sessions %u",
+ rte_le_to_cpu_32(ident->max_nb_sessions));
+
+ iocpt_queue_identify(dev);
+
+ return 0;
+}
+
+int
+iocpt_dev_init(struct iocpt_dev *dev, rte_iova_t info_pa)
+{
+ uint32_t retries = 5;
+ int err;
+
+retry_lif_init:
+ iocpt_dev_cmd_lif_init(dev, info_pa);
+
+ err = iocpt_dev_cmd_wait_check(dev, IONIC_DEVCMD_TIMEOUT);
+ if (err == -EAGAIN && retries > 0) {
+ retries--;
+ rte_delay_us_block(IONIC_DEVCMD_RETRY_WAIT_US);
+ goto retry_lif_init;
+ }
+
+ return err;
+}
+
+void
+iocpt_dev_reset(struct iocpt_dev *dev)
+{
+ iocpt_dev_cmd_lif_reset(dev);
+ (void)iocpt_dev_cmd_wait_check(dev, IONIC_DEVCMD_TIMEOUT);
+
+ iocpt_dev_cmd_reset(dev);
+ (void)iocpt_dev_cmd_wait_check(dev, IONIC_DEVCMD_TIMEOUT);
+}
+
+int
+iocpt_dev_adminq_init(struct iocpt_dev *dev)
+{
+ struct iocpt_queue *q = &dev->adminq->q;
+ struct iocpt_q_init_comp comp;
+ uint32_t retries = 5;
+ int err;
+
+retry_adminq_init:
+ iocpt_dev_cmd_adminq_init(dev);
+
+ err = iocpt_dev_cmd_wait_check(dev, IONIC_DEVCMD_TIMEOUT);
+ if (err == -EAGAIN && retries > 0) {
+ retries--;
+ rte_delay_us_block(IONIC_DEVCMD_RETRY_WAIT_US);
+ goto retry_adminq_init;
+ }
+ if (err != 0)
+ return err;
+
+ iocpt_dev_cmd_comp(dev, &comp);
+
+ q->hw_type = comp.hw_type;
+ q->hw_index = rte_le_to_cpu_32(comp.hw_index);
+ q->db = iocpt_db_map(dev, q);
+
+ IOCPT_PRINT(DEBUG, "adminq->hw_type %d", q->hw_type);
+ IOCPT_PRINT(DEBUG, "adminq->hw_index %d", q->hw_index);
+ IOCPT_PRINT(DEBUG, "adminq->db %p", q->db);
+
+ dev->adminq->flags |= IOCPT_Q_F_INITED;
+
+ return 0;
+}
+
+/* Admin_cmd interface */
+
+static bool
+iocpt_adminq_service(struct iocpt_cq *cq, uint16_t cq_desc_index,
+ void *cb_arg __rte_unused)
+{
+ struct iocpt_admin_comp *cq_desc_base = cq->base;
+ struct iocpt_admin_comp *cq_desc = &cq_desc_base[cq_desc_index];
+ struct iocpt_admin_q *adminq =
+ container_of(cq, struct iocpt_admin_q, cq);
+ struct iocpt_queue *q = &adminq->q;
+ struct iocpt_admin_ctx *ctx;
+ uint16_t curr_q_tail_idx;
+ uint16_t stop_index;
+ void **info;
+
+ if (!iocpt_color_match(cq_desc->color, cq->done_color))
+ return false;
+
+ stop_index = rte_le_to_cpu_16(cq_desc->comp_index);
+
+ do {
+ info = IOCPT_INFO_PTR(q, q->tail_idx);
+
+ ctx = info[0];
+ if (ctx != NULL) {
+ memcpy(&ctx->comp, cq_desc, sizeof(*cq_desc));
+ ctx->pending_work = false; /* done */
+ }
+
+ curr_q_tail_idx = q->tail_idx;
+ q->tail_idx = Q_NEXT_TO_SRVC(q, 1);
+ } while (curr_q_tail_idx != stop_index);
+
+ return true;
+}
+
+/** iocpt_adminq_post - Post an admin command.
+ * @dev: Handle to dev.
+ * @cmd_ctx: Api admin command context.
+ *
+ * Return: zero or negative error status.
+ */
+static int
+iocpt_adminq_post(struct iocpt_dev *dev, struct iocpt_admin_ctx *ctx)
+{
+ struct iocpt_queue *q = &dev->adminq->q;
+ struct iocpt_admin_cmd *q_desc_base = q->base;
+ struct iocpt_admin_cmd *q_desc;
+ void **info;
+ int err = 0;
+
+ rte_spinlock_lock(&dev->adminq_lock);
+
+ if (iocpt_q_space_avail(q) < 1) {
+ err = -ENOSPC;
+ goto err_out;
+ }
+
+ q_desc = &q_desc_base[q->head_idx];
+
+ memcpy(q_desc, &ctx->cmd, sizeof(ctx->cmd));
+
+ info = IOCPT_INFO_PTR(q, q->head_idx);
+ info[0] = ctx;
+
+ q->head_idx = Q_NEXT_TO_POST(q, 1);
+
+ /* Ring doorbell */
+ iocpt_q_flush(q);
+
+err_out:
+ rte_spinlock_unlock(&dev->adminq_lock);
+
+ return err;
+}
+
+static int
+iocpt_adminq_wait_for_completion(struct iocpt_dev *dev,
+ struct iocpt_admin_ctx *ctx, unsigned long max_wait)
+{
+ struct iocpt_queue *q = &dev->adminq->q;
+ unsigned long step_usec = IONIC_DEVCMD_CHECK_PERIOD_US;
+ unsigned long step_deadline;
+ unsigned long max_wait_usec = max_wait * 1000000L;
+ unsigned long elapsed_usec = 0;
+ int budget = 8;
+ uint16_t idx;
+ void **info;
+
+ step_deadline = IONIC_ADMINQ_WDOG_MS * 1000 / step_usec;
+
+ while (ctx->pending_work && elapsed_usec < max_wait_usec) {
+ /*
+ * Locking here as adminq is served inline and could be
+ * called from multiple places
+ */
+ rte_spinlock_lock(&dev->adminq_service_lock);
+
+ iocpt_cq_service(&dev->adminq->cq, budget,
+ iocpt_adminq_service, NULL);
+
+ /*
+ * Ring the doorbell again if work is pending after step_usec.
+ */
+ if (ctx->pending_work && !step_deadline) {
+ step_deadline = IONIC_ADMINQ_WDOG_MS *
+ 1000 / step_usec;
+
+ rte_spinlock_lock(&dev->adminq_lock);
+ idx = Q_NEXT_TO_POST(q, -1);
+ info = IOCPT_INFO_PTR(q, idx);
+ if (info[0] == ctx)
+ iocpt_q_flush(q);
+ rte_spinlock_unlock(&dev->adminq_lock);
+ }
+
+ rte_spinlock_unlock(&dev->adminq_service_lock);
+
+ rte_delay_us_block(step_usec);
+ elapsed_usec += step_usec;
+ step_deadline--;
+ }
+
+ return (!ctx->pending_work);
+}
+
+static int
+iocpt_adminq_check_err(struct iocpt_admin_ctx *ctx, bool timeout)
+{
+ const char *name;
+ const char *status;
+
+ name = iocpt_opcode_to_str(ctx->cmd.cmd.opcode);
+
+ if (ctx->comp.comp.status == IOCPT_RC_EAGAIN) {
+ IOCPT_PRINT(DEBUG, "%s (%d) returned EAGAIN (%d)",
+ name, ctx->cmd.cmd.opcode,
+ ctx->comp.comp.status);
+ return -EAGAIN;
+ }
+ if (ctx->comp.comp.status != 0 || timeout) {
+ status = iocpt_error_to_str(ctx->comp.comp.status);
+ IOCPT_PRINT(ERR, "%s (%d) failed: %s (%d)",
+ name,
+ ctx->cmd.cmd.opcode,
+ timeout ? "TIMEOUT" : status,
+ timeout ? -1 : ctx->comp.comp.status);
+ return -EIO;
+ }
+
+ if (ctx->cmd.cmd.opcode != IOCPT_CMD_SESS_CONTROL) {
+ IOCPT_PRINT(DEBUG, "%s (%d) succeeded",
+ name, ctx->cmd.cmd.opcode);
+ }
+
+ return 0;
+}
+
+int
+iocpt_adminq_post_wait(struct iocpt_dev *dev, struct iocpt_admin_ctx *ctx)
+{
+ bool done;
+ int err;
+
+ if (ctx->cmd.cmd.opcode != IOCPT_CMD_SESS_CONTROL) {
+ IOCPT_PRINT(DEBUG, "Sending %s (%d) via the admin queue",
+ iocpt_opcode_to_str(ctx->cmd.cmd.opcode),
+ ctx->cmd.cmd.opcode);
+ }
+
+ err = iocpt_adminq_post(dev, ctx);
+ if (err != 0) {
+ IOCPT_PRINT(ERR, "Failure posting %d to the admin queue (%d)",
+ ctx->cmd.cmd.opcode, err);
+ return err;
+ }
+
+ done = iocpt_adminq_wait_for_completion(dev, ctx,
+ IONIC_DEVCMD_TIMEOUT);
+
+ return iocpt_adminq_check_err(ctx, !done /* timed out */);
+}
new file mode 100644
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2021-2024 Advanced Micro Devices, Inc.
+ */
+
+#include <inttypes.h>
+
+#include <rte_common.h>
+#include <rte_malloc.h>
+#include <rte_bitops.h>
+
+#include "ionic_crypto.h"
+
+int iocpt_logtype;
+
+uint32_t
+iocpt_cq_service(struct iocpt_cq *cq, uint32_t work_to_do,
+ iocpt_cq_cb cb, void *cb_arg)
+{
+ uint32_t work_done = 0;
+
+ if (work_to_do == 0)
+ return 0;
+
+ while (cb(cq, cq->tail_idx, cb_arg)) {
+ cq->tail_idx = Q_NEXT_TO_SRVC(cq, 1);
+ if (cq->tail_idx == 0)
+ cq->done_color = !cq->done_color;
+
+ if (++work_done == work_to_do)
+ break;
+ }
+
+ return work_done;
+}
+
+struct ionic_doorbell *
+iocpt_db_map(struct iocpt_dev *dev, struct iocpt_queue *q)
+{
+ return dev->db_pages + q->hw_type;
+}
new file mode 100644
@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright 2021-2024 Advanced Micro Devices, Inc.
+
+deps += ['common_ionic']
+
+sources = files(
+ 'ionic_crypto_cmds.c',
+ 'ionic_crypto_main.c',
+)
+name = 'ionic_crypto'
+
+includes += include_directories('../../common/ionic')
@@ -10,6 +10,7 @@ drivers = [
'cnxk',
'dpaa_sec',
'dpaa2_sec',
+ 'ionic',
'ipsec_mb',
'mlx5',
'mvsam',