-/*-
- * BSD LICENSE
+/* SPDX-License-Identifier: BSD-3-Clause
*
- * Copyright 2016 NXP.
+ * Copyright 2016 NXP
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of NXP nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <string.h>
#include <rte_malloc.h>
#include <rte_devargs.h>
#include <rte_memcpy.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_fslmc.h>
#include <fslmc_vfio.h>
+#include "fslmc_logs.h"
-#define FSLMC_BUS_LOG(level, fmt, args...) \
- RTE_LOG(level, EAL, fmt "\n", ##args)
+int dpaa2_logtype_bus;
#define VFIO_IOMMU_GROUP_PATH "/sys/kernel/iommu_groups"
struct rte_fslmc_bus rte_fslmc_bus;
+uint8_t dpaa2_virt_mode;
+
+uint32_t
+rte_fslmc_get_device_count(enum rte_dpaa2_dev_type device_type)
+{
+ if (device_type > DPAA2_DEVTYPE_MAX)
+ return 0;
+ return rte_fslmc_bus.device_count[device_type];
+}
+
+RTE_DEFINE_PER_LCORE(struct dpaa2_portal_dqrr, dpaa2_held_bufs);
static void
cleanup_fslmc_device_list(void)
}
}
+static int
+compare_dpaa2_devname(struct rte_dpaa2_device *dev1,
+ struct rte_dpaa2_device *dev2)
+{
+ int comp;
+
+ if (dev1->dev_type > dev2->dev_type) {
+ comp = 1;
+ } else if (dev1->dev_type < dev2->dev_type) {
+ comp = -1;
+ } else {
+ /* Check the ID as types match */
+ if (dev1->object_id > dev2->object_id)
+ comp = 1;
+ else if (dev1->object_id < dev2->object_id)
+ comp = -1;
+ else
+ comp = 0; /* Duplicate device name */
+ }
+
+ return comp;
+}
+
+static void
+insert_in_device_list(struct rte_dpaa2_device *newdev)
+{
+ int comp, inserted = 0;
+ struct rte_dpaa2_device *dev = NULL;
+ struct rte_dpaa2_device *tdev = NULL;
+
+ TAILQ_FOREACH_SAFE(dev, &rte_fslmc_bus.device_list, next, tdev) {
+ comp = compare_dpaa2_devname(newdev, dev);
+ if (comp < 0) {
+ TAILQ_INSERT_BEFORE(dev, newdev, next);
+ inserted = 1;
+ break;
+ }
+ }
+
+ if (!inserted)
+ TAILQ_INSERT_TAIL(&rte_fslmc_bus.device_list, newdev, next);
+}
+
+static void
+dump_device_list(void)
+{
+ struct rte_dpaa2_device *dev;
+ uint32_t global_log_level;
+ int local_log_level;
+
+ /* Only if the log level has been set to Debugging, print list */
+ global_log_level = rte_log_get_global_level();
+ local_log_level = rte_log_get_level(dpaa2_logtype_bus);
+ if (global_log_level == RTE_LOG_DEBUG ||
+ local_log_level == RTE_LOG_DEBUG) {
+ DPAA2_BUS_DEBUG("List of devices scanned on bus:");
+ TAILQ_FOREACH(dev, &rte_fslmc_bus.device_list, next) {
+ DPAA2_BUS_DEBUG("%s", dev->device.name);
+ }
+ }
+}
+
static int
scan_one_fslmc_device(char *dev_name)
{
/* Creating a temporary copy to perform cut-parse over string */
dup_dev_name = strdup(dev_name);
if (!dup_dev_name) {
- FSLMC_BUS_LOG(ERR, "Out of memory.");
+ DPAA2_BUS_ERR("Unable to allocate device name memory");
return -ENOMEM;
}
*/
dev = calloc(1, sizeof(struct rte_dpaa2_device));
if (!dev) {
- FSLMC_BUS_LOG(ERR, "Out of memory.");
+ DPAA2_BUS_ERR("Unable to allocate device object");
free(dup_dev_name);
return -ENOMEM;
}
/* Parse the device name and ID */
t_ptr = strtok(dup_dev_name, ".");
if (!t_ptr) {
- FSLMC_BUS_LOG(ERR, "Incorrect device string observed.");
+ DPAA2_BUS_ERR("Incorrect device name observed");
goto cleanup;
}
if (!strncmp("dpni", t_ptr, 4))
dev->dev_type = DPAA2_BPOOL;
else if (!strncmp("dpio", t_ptr, 4))
dev->dev_type = DPAA2_IO;
- else if (!strncmp("dpci", t_ptr, 5))
+ else if (!strncmp("dpci", t_ptr, 4))
dev->dev_type = DPAA2_CI;
else if (!strncmp("dpmcp", t_ptr, 5))
dev->dev_type = DPAA2_MPORTAL;
else
dev->dev_type = DPAA2_UNKNOWN;
+ /* Update the device found into the device_count table */
+ rte_fslmc_bus.device_count[dev->dev_type]++;
+
t_ptr = strtok(NULL, ".");
if (!t_ptr) {
- FSLMC_BUS_LOG(ERR, "Incorrect device string observed (%s).",
- t_ptr);
+ DPAA2_BUS_ERR("Incorrect device string observed (%s)", t_ptr);
goto cleanup;
}
sscanf(t_ptr, "%hu", &dev->object_id);
dev->device.name = strdup(dev_name);
if (!dev->device.name) {
- FSLMC_BUS_LOG(ERR, "Out of memory.");
+ DPAA2_BUS_ERR("Unable to clone device name. Out of memory");
goto cleanup;
}
/* Add device in the fslmc device list */
- TAILQ_INSERT_TAIL(&rte_fslmc_bus.device_list, dev, next);
+ insert_in_device_list(dev);
/* Don't need the duplicated device filesystem entry anymore */
if (dup_dev_name)
int groupid;
if (process_once) {
- FSLMC_BUS_LOG(DEBUG,
- "Fslmc bus already scanned. Not rescanning");
+ DPAA2_BUS_DEBUG("Fslmc bus already scanned. Not rescanning");
return 0;
}
process_once = 1;
groupid);
dir = opendir(fslmc_dirpath);
if (!dir) {
- FSLMC_BUS_LOG(ERR, "Unable to open VFIO group dir.");
+ DPAA2_BUS_ERR("Unable to open VFIO group directory");
goto scan_fail;
}
device_count += 1;
}
- FSLMC_BUS_LOG(INFO, "fslmc: Bus scan completed");
-
closedir(dir);
+
+ DPAA2_BUS_INFO("FSLMC Bus scan completed");
+ /* If debugging is enabled, device list is dumped to log output */
+ dump_device_list();
+
return 0;
scan_fail_cleanup:
/* Remove all devices in the list */
cleanup_fslmc_device_list();
scan_fail:
- FSLMC_BUS_LOG(DEBUG, "FSLMC Bus Not Available. Skipping.");
+ DPAA2_BUS_INFO("FSLMC Bus Not Available. Skipping");
/* Irrespective of failure, scan only return success */
return 0;
}
ret = fslmc_vfio_setup_group();
if (ret) {
- FSLMC_BUS_LOG(ERR, "Unable to setup VFIO %d", ret);
+ DPAA2_BUS_ERR("Unable to setup VFIO %d", ret);
return 0;
}
ret = fslmc_vfio_process_group();
if (ret) {
- FSLMC_BUS_LOG(ERR, "Unable to setup devices %d", ret);
+ DPAA2_BUS_ERR("Unable to setup devices %d", ret);
return 0;
}
ret = drv->probe(drv, dev);
if (ret)
- FSLMC_BUS_LOG(ERR, "Unable to probe.\n");
+ DPAA2_BUS_ERR("Unable to probe");
break;
}
}
+ if (rte_eal_iova_mode() == RTE_IOVA_VA)
+ dpaa2_virt_mode = 1;
+
return 0;
}
struct rte_dpaa2_device *dev;
TAILQ_FOREACH(dev, &rte_fslmc_bus.device_list, next) {
- if (start && &dev->device == start) {
- start = NULL; /* starting point found */
+ if (start != NULL) {
+ if (&dev->device == start)
+ start = NULL; /* starting point found */
continue;
}
driver->fslmc_bus = NULL;
}
+/*
+ * All device has iova as va
+ */
+static inline int
+fslmc_all_device_support_iova(void)
+{
+ int ret = 0;
+ struct rte_dpaa2_device *dev;
+ struct rte_dpaa2_driver *drv;
+
+ TAILQ_FOREACH(dev, &rte_fslmc_bus.device_list, next) {
+ TAILQ_FOREACH(drv, &rte_fslmc_bus.driver_list, next) {
+ ret = rte_fslmc_match(drv, dev);
+ if (ret)
+ continue;
+ /* if the driver is not supporting IOVA */
+ if (!(drv->drv_flags & RTE_DPAA2_DRV_IOVA_AS_VA))
+ return 0;
+ }
+ }
+ return 1;
+}
+
+/*
+ * Get iommu class of DPAA2 devices on the bus.
+ */
+static enum rte_iova_mode
+rte_dpaa2_get_iommu_class(void)
+{
+ bool is_vfio_noiommu_enabled = 1;
+ bool has_iova_va;
+
+ if (TAILQ_EMPTY(&rte_fslmc_bus.device_list))
+ return RTE_IOVA_DC;
+
+ /* check if all devices on the bus support Virtual addressing or not */
+ has_iova_va = fslmc_all_device_support_iova();
+
+#ifdef VFIO_PRESENT
+ is_vfio_noiommu_enabled = rte_vfio_noiommu_is_enabled() == true ?
+ true : false;
+#endif
+
+ if (has_iova_va && !is_vfio_noiommu_enabled)
+ return RTE_IOVA_VA;
+
+ return RTE_IOVA_PA;
+}
+
struct rte_fslmc_bus rte_fslmc_bus = {
.bus = {
.scan = rte_fslmc_scan,
.probe = rte_fslmc_probe,
.find_device = rte_fslmc_find_device,
+ .get_iommu_class = rte_dpaa2_get_iommu_class,
},
.device_list = TAILQ_HEAD_INITIALIZER(rte_fslmc_bus.device_list),
.driver_list = TAILQ_HEAD_INITIALIZER(rte_fslmc_bus.driver_list),
+ .device_count = {0},
};
RTE_REGISTER_BUS(fslmc, rte_fslmc_bus.bus);
+
+RTE_INIT(fslmc_init_log);
+static void
+fslmc_init_log(void)
+{
+ /* Bus level logs */
+ dpaa2_logtype_bus = rte_log_register("bus.fslmc");
+ if (dpaa2_logtype_bus >= 0)
+ rte_log_set_level(dpaa2_logtype_bus, RTE_LOG_NOTICE);
+}
git.droids-corp.org / dpdk.git / blobdiff