1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Cavium, Inc
7 #include "otx_cryptodev_hw_access.h"
8 #include "otx_cryptodev_mbox.h"
11 otx_cpt_handle_mbox_intr(struct cpt_vf *cptvf)
13 struct cpt_mbox mbx = {0, 0};
16 * MBOX[0] contains msg
17 * MBOX[1] contains data
19 mbx.msg = CPT_READ_CSR(CPT_CSR_REG_BASE(cptvf),
20 CPTX_VFX_PF_MBOXX(0, 0, 0));
21 mbx.data = CPT_READ_CSR(CPT_CSR_REG_BASE(cptvf),
22 CPTX_VFX_PF_MBOXX(0, 0, 1));
24 CPT_LOG_DP_DEBUG("%s: Mailbox msg 0x%lx from PF",
25 cptvf->dev_name, (unsigned int long)mbx.msg);
27 case OTX_CPT_MSG_READY:
29 otx_cpt_chipid_vfid_t cid;
32 cptvf->pf_acked = true;
33 cptvf->vfid = cid.s.vfid;
34 CPT_LOG_DP_DEBUG("%s: Received VFID %d chip_id %d",
36 cptvf->vfid, cid.s.chip_id);
39 case OTX_CPT_MSG_QBIND_GRP:
40 cptvf->pf_acked = true;
41 cptvf->vftype = mbx.data;
42 CPT_LOG_DP_DEBUG("%s: VF %d type %s group %d",
43 cptvf->dev_name, cptvf->vfid,
44 ((mbx.data == SE_TYPE) ? "SE" : "AE"),
47 case OTX_CPT_MBOX_MSG_TYPE_ACK:
48 cptvf->pf_acked = true;
50 case OTX_CPT_MBOX_MSG_TYPE_NACK:
51 cptvf->pf_nacked = true;
54 CPT_LOG_DP_DEBUG("%s: Invalid msg from PF, msg 0x%lx",
55 cptvf->dev_name, (unsigned int long)mbx.msg);
60 /* Send a mailbox message to PF
61 * @vf: vf from which this message to be sent
62 * @mbx: Message to be sent
65 otx_cpt_send_msg_to_pf(struct cpt_vf *cptvf, struct cpt_mbox *mbx)
67 /* Writing mbox(1) causes interrupt */
68 CPT_WRITE_CSR(CPT_CSR_REG_BASE(cptvf),
69 CPTX_VFX_PF_MBOXX(0, 0, 0), mbx->msg);
70 CPT_WRITE_CSR(CPT_CSR_REG_BASE(cptvf),
71 CPTX_VFX_PF_MBOXX(0, 0, 1), mbx->data);
75 otx_cpt_send_msg_to_pf_timeout(struct cpt_vf *cptvf, struct cpt_mbox *mbx)
77 int timeout = OTX_CPT_MBOX_MSG_TIMEOUT;
80 cptvf->pf_acked = false;
81 cptvf->pf_nacked = false;
83 otx_cpt_send_msg_to_pf(cptvf, mbx);
85 /* Wait for previous message to be acked, timeout 2sec */
86 while (!cptvf->pf_acked) {
89 usleep(sleep_ms * 1000);
90 otx_cpt_poll_misc(cptvf);
95 CPT_LOG_ERR("%s: PF didn't ack mbox msg %lx(vfid %u)",
97 (unsigned int long)(mbx->msg & 0xFF),
106 otx_cpt_check_pf_ready(struct cpt_vf *cptvf)
108 struct cpt_mbox mbx = {0, 0};
110 mbx.msg = OTX_CPT_MSG_READY;
111 if (otx_cpt_send_msg_to_pf_timeout(cptvf, &mbx)) {
112 CPT_LOG_ERR("%s: PF didn't respond to READY msg",
120 otx_cpt_send_vq_size_msg(struct cpt_vf *cptvf)
122 struct cpt_mbox mbx = {0, 0};
124 mbx.msg = OTX_CPT_MSG_QLEN;
126 mbx.data = cptvf->qsize;
127 if (otx_cpt_send_msg_to_pf_timeout(cptvf, &mbx)) {
128 CPT_LOG_ERR("%s: PF didn't respond to vq_size msg",
136 otx_cpt_send_vf_grp_msg(struct cpt_vf *cptvf, uint32_t group)
138 struct cpt_mbox mbx = {0, 0};
140 mbx.msg = OTX_CPT_MSG_QBIND_GRP;
142 /* Convey group of the VF */
144 if (otx_cpt_send_msg_to_pf_timeout(cptvf, &mbx)) {
145 CPT_LOG_ERR("%s: PF didn't respond to vf_type msg",
153 otx_cpt_send_vf_up(struct cpt_vf *cptvf)
155 struct cpt_mbox mbx = {0, 0};
157 mbx.msg = OTX_CPT_MSG_VF_UP;
158 if (otx_cpt_send_msg_to_pf_timeout(cptvf, &mbx)) {
159 CPT_LOG_ERR("%s: PF didn't respond to UP msg",
167 otx_cpt_send_vf_down(struct cpt_vf *cptvf)
169 struct cpt_mbox mbx = {0, 0};
171 mbx.msg = OTX_CPT_MSG_VF_DOWN;
172 if (otx_cpt_send_msg_to_pf_timeout(cptvf, &mbx)) {
173 CPT_LOG_ERR("%s: PF didn't respond to DOWN msg",