crypto/mvsam: add comments for three crypto devs
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Commit Message
From: Michael Shamis <michaelsh@marvell.com>
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>
---
drivers/crypto/mvsam/rte_mrvl_pmd_ops.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
Comments
> From: Michael Shamis <michaelsh@marvell.com>
>
> 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>
> ---
Applied to dpdk-next-crypto
Thanks.
>
> 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>
> ---
Applied to dpdk-next-crypto
Title updated as " crypto/mvsam: update comments for qp mapping"
@@ -663,6 +663,11 @@ 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
@@ -674,10 +679,17 @@ 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);