diff mbox series

[3/6] common/ionic: add crypto vdev support

Message ID 20240419195310.21432-4-andrew.boyer@amd.com (mailing list archive)
State Superseded
Delegated to: akhil goyal
Headers
Series crypto/ionic: introduce AMD Pensando ionic crypto driver |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Andrew Boyer April 19, 2024, 7:53 p.m. UTC 
  This adds support for cryptodevs to the common ionic library.

Signed-off-by: Andrew Boyer <andrew.boyer@amd.com>
---
 drivers/common/ionic/ionic_common.h     |  2 ++
 drivers/common/ionic/ionic_common_uio.c | 48 ++++++++++++++++++++++++-
 drivers/common/ionic/version.map        |  1 +
 3 files changed, 50 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/common/ionic/ionic_common.h b/drivers/common/ionic/ionic_common.h
index eb4850e24c..c4a15fdf2b 100644
--- a/drivers/common/ionic/ionic_common.h
+++ b/drivers/common/ionic/ionic_common.h
@@ -32,6 +32,8 @@  struct ionic_dev_bar {
 
 __rte_internal
 void ionic_uio_scan_mnet_devices(void);
+__rte_internal
+void ionic_uio_scan_mcrypt_devices(void);
 
 __rte_internal
 void ionic_uio_get_rsrc(const char *name, int idx, struct ionic_dev_bar *bar);
diff --git a/drivers/common/ionic/ionic_common_uio.c b/drivers/common/ionic/ionic_common_uio.c
index e5c73faf96..c647b22eaf 100644
--- a/drivers/common/ionic/ionic_common_uio.c
+++ b/drivers/common/ionic/ionic_common_uio.c
@@ -23,10 +23,12 @@ 
 
 #define IONIC_MDEV_UNK      "mdev_unknown"
 #define IONIC_MNIC          "cpu_mnic"
+#define IONIC_MCRYPT        "cpu_mcrypt"
 
 #define IONIC_MAX_NAME_LEN  20
 #define IONIC_MAX_MNETS     5
-#define IONIC_MAX_DEVICES   (IONIC_MAX_MNETS)
+#define IONIC_MAX_MCPTS     1
+#define IONIC_MAX_DEVICES   (IONIC_MAX_MNETS + IONIC_MAX_MCPTS)
 #define IONIC_MAX_U16_IDX   0xFFFF
 #define IONIC_UIO_MAX_TRIES 32
 
@@ -49,6 +51,7 @@  struct ionic_map_tbl ionic_mdev_map[IONIC_MAX_DEVICES] = {
 	{ "net_ionic2", 2, IONIC_MAX_U16_IDX, IONIC_MDEV_UNK },
 	{ "net_ionic3", 3, IONIC_MAX_U16_IDX, IONIC_MDEV_UNK },
 	{ "net_ionic4", 4, IONIC_MAX_U16_IDX, IONIC_MDEV_UNK },
+	{ "crypto_ionic0", 5, IONIC_MAX_U16_IDX, IONIC_MDEV_UNK },
 };
 
 struct uio_name {
@@ -143,6 +146,49 @@  ionic_uio_scan_mnet_devices(void)
 	}
 }
 
+void
+ionic_uio_scan_mcrypt_devices(void)
+{
+	struct ionic_map_tbl *map;
+	char devname[IONIC_MAX_NAME_LEN];
+	struct uio_name name_cache[IONIC_MAX_DEVICES];
+	bool done;
+	int mdev_idx = 0;
+	int uio_idx;
+	int i;
+	static bool scan_done;
+
+	if (scan_done)
+		return;
+
+	scan_done = true;
+
+	uio_fill_name_cache(name_cache, IONIC_MCRYPT);
+
+	for (i = IONIC_MAX_MNETS; i < IONIC_MAX_DEVICES; i++) {
+		done = false;
+
+		while (!done) {
+			if (mdev_idx > IONIC_MAX_MDEV_SCAN)
+				break;
+
+			/* Look for a matching mcrypt */
+			snprintf(devname, IONIC_MAX_NAME_LEN,
+				IONIC_MCRYPT "%d", mdev_idx);
+			uio_idx = uio_get_idx_for_devname(name_cache, devname);
+			if (uio_idx >= 0) {
+				map = &ionic_mdev_map[i];
+				map->uio_idx = (uint16_t)uio_idx;
+				strlcpy(map->mdev_name, devname,
+					IONIC_MAX_NAME_LEN);
+				done = true;
+			}
+
+			mdev_idx++;
+		}
+	}
+}
+
 static int
 uio_get_multi_dev_uionum(const char *name)
 {
diff --git a/drivers/common/ionic/version.map b/drivers/common/ionic/version.map
index 484330c437..db532d4ffc 100644
--- a/drivers/common/ionic/version.map
+++ b/drivers/common/ionic/version.map
@@ -2,6 +2,7 @@  INTERNAL {
 	global:
 
 	ionic_uio_scan_mnet_devices;
+	ionic_uio_scan_mcrypt_devices;
 	ionic_uio_get_rsrc;
 	ionic_uio_rel_rsrc;