#include <rte_malloc.h>
#include <rte_log.h>
#include <rte_errno.h>
-#include <rte_pci.h>
+#include <rte_bus_pci.h>
#include <rte_spinlock.h>
#include <rte_comp.h>
#include <rte_compressdev.h>
#include <mlx5_glue.h>
#include <mlx5_common.h>
-#include <mlx5_common_pci.h>
#include <mlx5_devx_cmds.h>
#include <mlx5_common_os.h>
#include <mlx5_common_devx.h>
#include "mlx5_compress_utils.h"
#define MLX5_COMPRESS_DRIVER_NAME mlx5_compress
-#define MLX5_COMPRESS_LOG_NAME pmd.compress.mlx5
#define MLX5_COMPRESS_MAX_QPS 1024
#define MLX5_COMP_MAX_WIN_SIZE_CONF 6u
struct mlx5_compress_priv {
TAILQ_ENTRY(mlx5_compress_priv) next;
struct ibv_context *ctx; /* Device context. */
- struct rte_pci_device *pci_dev;
struct rte_compressdev *cdev;
void *uar;
uint32_t pdn; /* Protection Domain number. */
uint8_t min_block_size;
+ uint8_t sq_ts_format; /* Whether SQ supports timestamp formats. */
/* Minimum huffman block size supported by the device. */
struct ibv_pd *pd;
struct rte_compressdev_config dev_config;
int mlx5_compress_logtype;
-const struct rte_compressdev_capabilities mlx5_caps[RTE_COMP_ALGO_LIST_END];
-
+static const struct rte_compressdev_capabilities mlx5_caps[] = {
+ {
+ .algo = RTE_COMP_ALGO_NULL,
+ .comp_feature_flags = RTE_COMP_FF_ADLER32_CHECKSUM |
+ RTE_COMP_FF_CRC32_CHECKSUM |
+ RTE_COMP_FF_CRC32_ADLER32_CHECKSUM |
+ RTE_COMP_FF_SHAREABLE_PRIV_XFORM,
+ },
+ {
+ .algo = RTE_COMP_ALGO_DEFLATE,
+ .comp_feature_flags = RTE_COMP_FF_ADLER32_CHECKSUM |
+ RTE_COMP_FF_CRC32_CHECKSUM |
+ RTE_COMP_FF_CRC32_ADLER32_CHECKSUM |
+ RTE_COMP_FF_SHAREABLE_PRIV_XFORM |
+ RTE_COMP_FF_HUFFMAN_FIXED |
+ RTE_COMP_FF_HUFFMAN_DYNAMIC,
+ .window_size = {.min = 10, .max = 15, .increment = 1},
+ },
+ {
+ .algo = RTE_COMP_ALGO_LIST_END,
+ }
+};
static void
mlx5_compress_dev_info_get(struct rte_compressdev *dev,
return -rte_errno;
}
dev->data->queue_pairs[qp_id] = qp;
- opaq_buf = rte_calloc(__func__, 1u << log_ops_n,
+ opaq_buf = rte_calloc(__func__, (size_t)1 << log_ops_n,
sizeof(struct mlx5_gga_compress_opaque),
sizeof(struct mlx5_gga_compress_opaque));
if (opaq_buf == NULL) {
goto err;
}
sq_attr.cqn = qp->cq.cq->id;
+ sq_attr.ts_format = mlx5_ts_format_conv(priv->sq_ts_format);
ret = mlx5_devx_sq_create(priv->ctx, &qp->sq, log_ops_n, &sq_attr,
socket_id);
if (ret != 0) {
DRV_LOG(ERR, "Can't change SQ state to ready.");
goto err;
}
- DRV_LOG(INFO, "QP %u: SQN=0x%X CQN=0x%X entries num = %u\n",
+ /* Save pointer of global generation number to check memory event. */
+ qp->mr_ctrl.dev_gen_ptr = &priv->mr_scache.dev_gen;
+ DRV_LOG(INFO, "QP %u: SQN=0x%X CQN=0x%X entries num = %u",
(uint32_t)qp_id, qp->sq.sq->id, qp->cq.cq->id, qp->entries_n);
return 0;
err:
.stream_free = NULL,
};
+/**
+ * Query LKey from a packet buffer for QP. If not found, add the mempool.
+ *
+ * @param priv
+ * Pointer to the priv object.
+ * @param addr
+ * Search key.
+ * @param mr_ctrl
+ * Pointer to per-queue MR control structure.
+ * @param ol_flags
+ * Mbuf offload features.
+ *
+ * @return
+ * Searched LKey on success, UINT32_MAX on no match.
+ */
+static __rte_always_inline uint32_t
+mlx5_compress_addr2mr(struct mlx5_compress_priv *priv, uintptr_t addr,
+ struct mlx5_mr_ctrl *mr_ctrl, uint64_t ol_flags)
+{
+ uint32_t lkey;
+
+ /* Check generation bit to see if there's any change on existing MRs. */
+ if (unlikely(*mr_ctrl->dev_gen_ptr != mr_ctrl->cur_gen))
+ mlx5_mr_flush_local_cache(mr_ctrl);
+ /* Linear search on MR cache array. */
+ lkey = mlx5_mr_lookup_lkey(mr_ctrl->cache, &mr_ctrl->mru,
+ MLX5_MR_CACHE_N, addr);
+ if (likely(lkey != UINT32_MAX))
+ return lkey;
+ /* Take slower bottom-half on miss. */
+ return mlx5_mr_addr2mr_bh(priv->pd, 0, &priv->mr_scache, mr_ctrl, addr,
+ !!(ol_flags & RTE_MBUF_F_EXTERNAL));
+}
+
static __rte_always_inline uint32_t
mlx5_compress_dseg_set(struct mlx5_compress_qp *qp,
volatile struct mlx5_wqe_dseg *restrict dseg,
uintptr_t addr = rte_pktmbuf_mtod_offset(mbuf, uintptr_t, offset);
dseg->bcount = rte_cpu_to_be_32(len);
- dseg->lkey = mlx5_mr_addr2mr_bh(qp->priv->pd, 0, &qp->priv->mr_scache,
- &qp->mr_ctrl, addr,
- !!(mbuf->ol_flags & EXT_ATTACHED_MBUF));
+ dseg->lkey = mlx5_compress_addr2mr(qp->priv, addr, &qp->mr_ctrl,
+ mbuf->ol_flags);
dseg->pbuf = rte_cpu_to_be_64(addr);
return dseg->lkey;
}
op->consumed = op->src.length;
op->produced = rte_be_to_cpu_32(cqe->byte_cnt);
MLX5_ASSERT(cqe->byte_cnt ==
- qp->opaque_buf[idx].scattered_length);
+ opaq[idx].scattered_length);
switch (xform->csum_type) {
case RTE_COMP_CHECKSUM_CRC32:
op->output_chksum = (uint64_t)rte_be_to_cpu_32
return i;
}
-static struct ibv_device *
-mlx5_compress_get_ib_device_match(struct rte_pci_addr *addr)
-{
- int n;
- struct ibv_device **ibv_list = mlx5_glue->get_device_list(&n);
- struct ibv_device *ibv_match = NULL;
-
- if (ibv_list == NULL) {
- rte_errno = ENOSYS;
- return NULL;
- }
- while (n-- > 0) {
- struct rte_pci_addr paddr;
-
- DRV_LOG(DEBUG, "Checking device \"%s\"..", ibv_list[n]->name);
- if (mlx5_dev_to_pci_addr(ibv_list[n]->ibdev_path, &paddr) != 0)
- continue;
- if (rte_pci_addr_cmp(addr, &paddr) != 0)
- continue;
- ibv_match = ibv_list[n];
- break;
- }
- if (ibv_match == NULL)
- rte_errno = ENOENT;
- mlx5_glue->free_device_list(ibv_list);
- return ibv_match;
-}
-
static void
mlx5_compress_hw_global_release(struct mlx5_compress_priv *priv)
{
return -1;
}
priv->uar_addr = mlx5_os_get_devx_uar_reg_addr(priv->uar);
- MLX5_ASSERT(qp->uar_addr);
+ MLX5_ASSERT(priv->uar_addr);
#ifndef RTE_ARCH_64
rte_spinlock_init(&priv->uar32_sl);
#endif /* RTE_ARCH_64 */
}
/**
- * DPDK callback to register a PCI device.
- *
- * This function spawns compress device out of a given PCI device.
- *
- * @param[in] pci_drv
- * PCI driver structure (mlx5_compress_driver).
- * @param[in] pci_dev
- * PCI device information.
+ * Callback for memory event.
*
- * @return
- * 0 on success, 1 to skip this driver, a negative errno value otherwise
- * and rte_errno is set.
+ * @param event_type
+ * Memory event type.
+ * @param addr
+ * Address of memory.
+ * @param len
+ * Size of memory.
*/
+static void
+mlx5_compress_mr_mem_event_cb(enum rte_mem_event event_type, const void *addr,
+ size_t len, void *arg __rte_unused)
+{
+ struct mlx5_compress_priv *priv;
+
+ /* Must be called from the primary process. */
+ MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
+ switch (event_type) {
+ case RTE_MEM_EVENT_FREE:
+ pthread_mutex_lock(&priv_list_lock);
+ /* Iterate all the existing mlx5 devices. */
+ TAILQ_FOREACH(priv, &mlx5_compress_priv_list, next)
+ mlx5_free_mr_by_addr(&priv->mr_scache,
+ priv->ctx->device->name,
+ addr, len);
+ pthread_mutex_unlock(&priv_list_lock);
+ break;
+ case RTE_MEM_EVENT_ALLOC:
+ default:
+ break;
+ }
+}
+
static int
-mlx5_compress_pci_probe(struct rte_pci_driver *pci_drv,
- struct rte_pci_device *pci_dev)
+mlx5_compress_dev_probe(struct rte_device *dev)
{
struct ibv_device *ibv;
struct rte_compressdev *cdev;
struct mlx5_hca_attr att = { 0 };
struct rte_compressdev_pmd_init_params init_params = {
.name = "",
- .socket_id = pci_dev->device.numa_node,
+ .socket_id = dev->numa_node,
};
- RTE_SET_USED(pci_drv);
if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
DRV_LOG(ERR, "Non-primary process type is not supported.");
rte_errno = ENOTSUP;
return -rte_errno;
}
- ibv = mlx5_compress_get_ib_device_match(&pci_dev->addr);
- if (ibv == NULL) {
- DRV_LOG(ERR, "No matching IB device for PCI slot "
- PCI_PRI_FMT ".", pci_dev->addr.domain,
- pci_dev->addr.bus, pci_dev->addr.devid,
- pci_dev->addr.function);
+ ibv = mlx5_os_get_ibv_dev(dev);
+ if (ibv == NULL)
return -rte_errno;
- }
- DRV_LOG(INFO, "PCI information matches for device \"%s\".", ibv->name);
ctx = mlx5_glue->dv_open_device(ibv);
if (ctx == NULL) {
DRV_LOG(ERR, "Failed to open IB device \"%s\".", ibv->name);
rte_errno = ENOTSUP;
return -ENOTSUP;
}
- cdev = rte_compressdev_pmd_create(ibv->name, &pci_dev->device,
+ cdev = rte_compressdev_pmd_create(ibv->name, dev,
sizeof(*priv), &init_params);
if (cdev == NULL) {
DRV_LOG(ERR, "Failed to create device \"%s\".", ibv->name);
cdev->feature_flags = RTE_COMPDEV_FF_HW_ACCELERATED;
priv = cdev->data->dev_private;
priv->ctx = ctx;
- priv->pci_dev = pci_dev;
priv->cdev = cdev;
priv->min_block_size = att.compress_min_block_size;
+ priv->sq_ts_format = att.sq_ts_format;
if (mlx5_compress_hw_global_prepare(priv) != 0) {
rte_compressdev_pmd_destroy(priv->cdev);
claim_zero(mlx5_glue->close_device(priv->ctx));
}
priv->mr_scache.reg_mr_cb = mlx5_common_verbs_reg_mr;
priv->mr_scache.dereg_mr_cb = mlx5_common_verbs_dereg_mr;
+ /* Register callback function for global shared MR cache management. */
+ if (TAILQ_EMPTY(&mlx5_compress_priv_list))
+ rte_mem_event_callback_register("MLX5_MEM_EVENT_CB",
+ mlx5_compress_mr_mem_event_cb,
+ NULL);
pthread_mutex_lock(&priv_list_lock);
TAILQ_INSERT_TAIL(&mlx5_compress_priv_list, priv, next);
pthread_mutex_unlock(&priv_list_lock);
return 0;
}
-/**
- * DPDK callback to remove a PCI device.
- *
- * This function removes all compress devices belong to a given PCI device.
- *
- * @param[in] pci_dev
- * Pointer to the PCI device.
- *
- * @return
- * 0 on success, the function cannot fail.
- */
static int
-mlx5_compress_pci_remove(struct rte_pci_device *pdev)
+mlx5_compress_dev_remove(struct rte_device *dev)
{
struct mlx5_compress_priv *priv = NULL;
pthread_mutex_lock(&priv_list_lock);
TAILQ_FOREACH(priv, &mlx5_compress_priv_list, next)
- if (rte_pci_addr_cmp(&priv->pci_dev->addr, &pdev->addr) != 0)
+ if (priv->cdev->device == dev)
break;
if (priv)
TAILQ_REMOVE(&mlx5_compress_priv_list, priv, next);
pthread_mutex_unlock(&priv_list_lock);
if (priv) {
+ if (TAILQ_EMPTY(&mlx5_compress_priv_list))
+ rte_mem_event_callback_unregister("MLX5_MEM_EVENT_CB",
+ NULL);
mlx5_mr_release_cache(&priv->mr_scache);
mlx5_compress_hw_global_release(priv);
rte_compressdev_pmd_destroy(priv->cdev);
}
};
-static struct mlx5_pci_driver mlx5_compress_driver = {
- .driver_class = MLX5_CLASS_COMPRESS,
- .pci_driver = {
- .driver = {
- .name = RTE_STR(MLX5_COMPRESS_DRIVER_NAME),
- },
- .id_table = mlx5_compress_pci_id_map,
- .probe = mlx5_compress_pci_probe,
- .remove = mlx5_compress_pci_remove,
- .drv_flags = 0,
- },
+static struct mlx5_class_driver mlx5_compress_driver = {
+ .drv_class = MLX5_CLASS_COMPRESS,
+ .name = RTE_STR(MLX5_COMPRESS_DRIVER_NAME),
+ .id_table = mlx5_compress_pci_id_map,
+ .probe = mlx5_compress_dev_probe,
+ .remove = mlx5_compress_dev_remove,
};
RTE_INIT(rte_mlx5_compress_init)
{
mlx5_common_init();
if (mlx5_glue != NULL)
- mlx5_pci_driver_register(&mlx5_compress_driver);
+ mlx5_class_driver_register(&mlx5_compress_driver);
}
-RTE_LOG_REGISTER(mlx5_compress_logtype, MLX5_COMPRESS_LOG_NAME, NOTICE)
+RTE_LOG_REGISTER_DEFAULT(mlx5_compress_logtype, NOTICE)
RTE_PMD_EXPORT_NAME(MLX5_COMPRESS_DRIVER_NAME, __COUNTER__);
RTE_PMD_REGISTER_PCI_TABLE(MLX5_COMPRESS_DRIVER_NAME, mlx5_compress_pci_id_map);
RTE_PMD_REGISTER_KMOD_DEP(MLX5_COMPRESS_DRIVER_NAME, "* ib_uverbs & mlx5_core & mlx5_ib");