crypto/mvsam: update queue mapping comments

Till now comments explain queue mapping per
one and two crypto devices.
Now added comments for queue mapping for three
crypto devices supported in CN9132.

Signed-off-by: Michael Shamis <michaelsh@marvell.com>
Reviewed-by: Liron Himi <lironh@marvell.com>

diff --git a/drivers/crypto/mvsam/rte_mrvl_pmd_ops.c b/drivers/crypto/mvsam/rte_mrvl_pmd_ops.c
index 4eb7ec9..e4fbe56 100644 (file)
--- a/drivers/crypto/mvsam/rte_mrvl_pmd_ops.c
+++ b/drivers/crypto/mvsam/rte_mrvl_pmd_ops.c
@@ -662,6 +662,11 @@ mrvl_crypto_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
                }
 
                /*
+                * In case just one engine is enabled mapping will look as
+                * follows:
+                * qp:      0        1        2        3
+                * cio-x:y: cio-0:0, cio-0:1, cio-0:2, cio-0:3
+                *
                 * In case two crypto engines are enabled qps will
                 * be evenly spread among them. Even and odd qps will
                 * be handled by cio-0 and cio-1 respectively. qp-cio mapping
@@ -673,10 +678,17 @@ mrvl_crypto_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
                 * qp:      4        5        6        7
                 * cio-x:y: cio-0:2, cio-1:2, cio-0:3, cio-1:3
                 *
-                * In case just one engine is enabled mapping will look as
-                * follows:
+                * In case of three crypto engines are enabled qps will
+                * be mapped as following:
+                *
                 * qp:      0        1        2        3
-                * cio-x:y: cio-0:0, cio-0:1, cio-0:2, cio-0:3
+                * cio-x:y: cio-0:0, cio-1:0, cio-2:0, cio-0:1
+                *
+                * qp:      4        5        6        7
+                * cio-x:y: cio-1:1, cio-2:1, cio-0:2, cio-1:2
+                *
+                * qp:      8        9        10       11
+                * cio-x:y: cio-2:2, cio-0:3, cio-1:3, cio-2:3
                 */
                n = snprintf(match, sizeof(match), "cio-%u:%u",
                                qp_id % num, qp_id / num);