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From: Hemant Agrawal <hemant.agrawal@nxp.com>
To: <dev@dpdk.org>, <olivier.matz@6wind.com>
CC: <thomas.monjalon@6wind.com>, <shreyansh.jain@nxp.com>,
<ferruh.yigit@intel.com>
Date: Sun, 9 Apr 2017 13:20:12 +0530
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Subject: [dpdk-dev] [PATCH v3 09/21] bus/fslmc: scan for net and sec device
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This patch will add support in fslmc vfio process to
scan and parse the dpni and dpseci object for net and crypto
devices. It will add the scanned devices to the fslmc bus.
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
drivers/bus/fslmc/fslmc_vfio.c | 63 +++++++++++++++++++++++++++++++++++++++++-
1 file changed, 62 insertions(+), 1 deletion(-)
diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c
index 8223e48..72ea6c8 100644
--- a/drivers/bus/fslmc/fslmc_vfio.c
+++ b/drivers/bus/fslmc/fslmc_vfio.c
@@ -210,6 +210,48 @@ static int64_t vfio_map_mcp_obj(struct fslmc_vfio_group *group, char *mcp_obj)
return v_addr;
}
+static inline int
+dpaa2_compare_dpaa2_dev(const struct rte_dpaa2_device *dev,
+ const struct rte_dpaa2_device *dev2)
+{
+ /*not the same family device */
+ if (dev->dev_type != DPAA2_MC_DPNI_DEVID ||
+ dev->dev_type != DPAA2_MC_DPSECI_DEVID)
+ return -1;
+
+ if (dev->object_id == dev2->object_id)
+ return 0;
+ else
+ return 1;
+}
+
+static void
+fslmc_bus_add_device(struct rte_dpaa2_device *dev)
+{
+ struct rte_fslmc_device_list *dev_l;
+
+ dev_l = &rte_fslmc_bus.device_list;
+
+ /* device is valid, add in list (sorted) */
+ if (TAILQ_EMPTY(dev_l)) {
+ TAILQ_INSERT_TAIL(dev_l, dev, next);
+ } else {
+ struct rte_dpaa2_device *dev2;
+ int ret;
+
+ TAILQ_FOREACH(dev2, dev_l, next) {
+ ret = dpaa2_compare_dpaa2_dev(dev, dev2);
+ if (ret <= 0)
+ continue;
+
+ TAILQ_INSERT_BEFORE(dev2, dev, next);
+ return;
+ }
+
+ TAILQ_INSERT_TAIL(dev_l, dev, next);
+ }
+}
+
/* Following function shall fetch total available list of MC devices
* from VFIO container & populate private list of devices and other
* data structures
@@ -218,7 +260,7 @@ int fslmc_vfio_process_group(void)
{
struct fslmc_vfio_device *vdev;
struct vfio_device_info device_info = { .argsz = sizeof(device_info) };
- char *temp_obj, *object_type __rte_unused, *mcp_obj, *dev_name;
+ char *temp_obj, *object_type, *mcp_obj, *dev_name;
int32_t object_id, i, dev_fd;
DIR *d;
struct dirent *dir;
@@ -349,6 +391,25 @@ int fslmc_vfio_process_group(void)
FSLMC_VFIO_LOG(ERR, "DPAA2 VFIO_DEVICE_GET_INFO fail");
goto FAILURE;
}
+ if (!strcmp(object_type, "dpni") ||
+ !strcmp(object_type, "dpseci")) {
+ struct rte_dpaa2_device *dev;
+
+ dev = malloc(sizeof(struct rte_dpaa2_device));
+ if (dev == NULL)
+ return -1;
+
+ memset(dev, 0, sizeof(*dev));
+ /* store hw_id of dpni/dpseci device */
+ dev->object_id = object_id;
+ dev->dev_type = (strcmp(object_type, "dpseci")) ?
+ DPAA2_MC_DPNI_DEVID : DPAA2_MC_DPSECI_DEVID;
+
+ FSLMC_VFIO_LOG(DEBUG, "DPAA2: Added [%s-%d]\n",
+ object_type, object_id);
+
+ fslmc_bus_add_device(dev);
+ }
}
closedir(d);
--
2.1.4