[PATCH] crypto: cavium/nitrox - Add mailbox message to get mcode info in VF

From: Nagadheeraj Rottela
Date: Wed Sep 18 2019 - 05:39:49 EST


Add support to get microcode information in VF from PF via mailbox
message.

Signed-off-by: Nagadheeraj Rottela <rnagadheeraj@xxxxxxxxxxx>
Reviewed-by: Srikanth Jampala <jsrikanth@xxxxxxxxxxx>
---
drivers/crypto/cavium/nitrox/nitrox_dev.h | 15 +++++++++++++++
drivers/crypto/cavium/nitrox/nitrox_mbx.c | 8 ++++++++
2 files changed, 23 insertions(+)

diff --git a/drivers/crypto/cavium/nitrox/nitrox_dev.h b/drivers/crypto/cavium/nitrox/nitrox_dev.h
index 2217a2736c8e..c2d0c23fb81b 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_dev.h
+++ b/drivers/crypto/cavium/nitrox/nitrox_dev.h
@@ -109,6 +109,13 @@ struct nitrox_q_vector {
};
};

+enum mcode_type {
+ MCODE_TYPE_INVALID,
+ MCODE_TYPE_AE,
+ MCODE_TYPE_SE_SSL,
+ MCODE_TYPE_SE_IPSEC,
+};
+
/**
* mbox_msg - Mailbox message data
* @type: message type
@@ -128,6 +135,14 @@ union mbox_msg {
u64 chipid: 8;
u64 vfid: 8;
} id;
+ struct {
+ u64 type: 2;
+ u64 opcode: 6;
+ u64 count: 4;
+ u64 info: 40;
+ u64 next_se_grp: 3;
+ u64 next_ae_grp: 3;
+ } mcode_info;
};

/**
diff --git a/drivers/crypto/cavium/nitrox/nitrox_mbx.c b/drivers/crypto/cavium/nitrox/nitrox_mbx.c
index 02ee95064841..b51b0449b478 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_mbx.c
+++ b/drivers/crypto/cavium/nitrox/nitrox_mbx.c
@@ -25,6 +25,7 @@ enum mbx_msg_opcode {
MSG_OP_VF_UP,
MSG_OP_VF_DOWN,
MSG_OP_CHIPID_VFID,
+ MSG_OP_MCODE_INFO = 11,
};

struct pf2vf_work {
@@ -73,6 +74,13 @@ static void pf2vf_send_response(struct nitrox_device *ndev,
vfdev->nr_queues = 0;
atomic_set(&vfdev->state, __NDEV_NOT_READY);
break;
+ case MSG_OP_MCODE_INFO:
+ msg.data = 0;
+ msg.mcode_info.count = 2;
+ msg.mcode_info.info = MCODE_TYPE_SE_SSL | (MCODE_TYPE_AE << 5);
+ msg.mcode_info.next_se_grp = 1;
+ msg.mcode_info.next_ae_grp = 1;
+ break;
default:
msg.type = MBX_MSG_TYPE_NOP;
break;
--
2.13.6