27 /* Size of mbox info in bytes */
29 /* Size of mbox host to fw queue info in bytes */
31 /* Size of mbox fw to host queue info in bytes */
74 int octep_ctrl_mbox_init(struct octep_ctrl_mbox *mbox)  in octep_ctrl_mbox_init()  argument
78 	if (!mbox)  in octep_ctrl_mbox_init()
81 	if (!mbox->barmem) {  in octep_ctrl_mbox_init()
82 		pr_info("octep_ctrl_mbox : Invalid barmem %p\n", mbox->barmem);  in octep_ctrl_mbox_init()
86 	magic_num = readq(OCTEP_CTRL_MBOX_INFO_MAGIC_NUM(mbox->barmem));  in octep_ctrl_mbox_init()
92 	status = readq(OCTEP_CTRL_MBOX_INFO_FW_STATUS(mbox->barmem));  in octep_ctrl_mbox_init()
98 	fw_versions = readq(OCTEP_CTRL_MBOX_INFO_FW_VERSION(mbox->barmem));  in octep_ctrl_mbox_init()
99 	mbox->min_fw_version = ((fw_versions & 0xffffffff00000000ull) >> 32);  in octep_ctrl_mbox_init()
100 	mbox->max_fw_version = (fw_versions & 0xffffffff);  in octep_ctrl_mbox_init()
101 	mbox->barmem_sz = readl(OCTEP_CTRL_MBOX_INFO_BARMEM_SZ(mbox->barmem));  in octep_ctrl_mbox_init()
104 	       OCTEP_CTRL_MBOX_INFO_HOST_STATUS(mbox->barmem));  in octep_ctrl_mbox_init()
106 	mutex_init(&mbox->h2fq_lock);  in octep_ctrl_mbox_init()
107 	mutex_init(&mbox->f2hq_lock);  in octep_ctrl_mbox_init()
109 	mbox->h2fq.sz = readl(OCTEP_CTRL_MBOX_H2FQ_SZ(mbox->barmem));  in octep_ctrl_mbox_init()
110 	mbox->h2fq.hw_prod = OCTEP_CTRL_MBOX_H2FQ_PROD(mbox->barmem);  in octep_ctrl_mbox_init()
111 	mbox->h2fq.hw_cons = OCTEP_CTRL_MBOX_H2FQ_CONS(mbox->barmem);  in octep_ctrl_mbox_init()
112 	mbox->h2fq.hw_q = mbox->barmem + OCTEP_CTRL_MBOX_TOTAL_INFO_SZ;  in octep_ctrl_mbox_init()
114 	mbox->f2hq.sz = readl(OCTEP_CTRL_MBOX_F2HQ_SZ(mbox->barmem));  in octep_ctrl_mbox_init()
115 	mbox->f2hq.hw_prod = OCTEP_CTRL_MBOX_F2HQ_PROD(mbox->barmem);  in octep_ctrl_mbox_init()
116 	mbox->f2hq.hw_cons = OCTEP_CTRL_MBOX_F2HQ_CONS(mbox->barmem);  in octep_ctrl_mbox_init()
117 	mbox->f2hq.hw_q = mbox->barmem +  in octep_ctrl_mbox_init()
119 			  mbox->h2fq.sz;  in octep_ctrl_mbox_init()
121 	writeq(mbox->version, OCTEP_CTRL_MBOX_INFO_HOST_VERSION(mbox->barmem));  in octep_ctrl_mbox_init()
125 	       OCTEP_CTRL_MBOX_INFO_HOST_STATUS(mbox->barmem));  in octep_ctrl_mbox_init()
127 	pr_info("Octep ctrl mbox : Init successful.\n");  in octep_ctrl_mbox_init()
160 int octep_ctrl_mbox_send(struct octep_ctrl_mbox *mbox, struct octep_ctrl_mbox_msg *msg)  in octep_ctrl_mbox_send()  argument
167 	if (!mbox || !msg)  in octep_ctrl_mbox_send()
170 	if (readq(OCTEP_CTRL_MBOX_INFO_FW_STATUS(mbox->barmem)) != OCTEP_CTRL_MBOX_STATUS_READY)  in octep_ctrl_mbox_send()
173 	mutex_lock(&mbox->h2fq_lock);  in octep_ctrl_mbox_send()
174 	q = &mbox->h2fq;  in octep_ctrl_mbox_send()
179 		mutex_unlock(&mbox->h2fq_lock);  in octep_ctrl_mbox_send()
192 	mutex_unlock(&mbox->h2fq_lock);  in octep_ctrl_mbox_send()
225 int octep_ctrl_mbox_recv(struct octep_ctrl_mbox *mbox, struct octep_ctrl_mbox_msg *msg)  in octep_ctrl_mbox_recv()  argument
232 	if (readq(OCTEP_CTRL_MBOX_INFO_FW_STATUS(mbox->barmem)) != OCTEP_CTRL_MBOX_STATUS_READY)  in octep_ctrl_mbox_recv()
235 	mutex_lock(&mbox->f2hq_lock);  in octep_ctrl_mbox_recv()
236 	q = &mbox->f2hq;  in octep_ctrl_mbox_recv()
242 		mutex_unlock(&mbox->f2hq_lock);  in octep_ctrl_mbox_recv()
255 	mutex_unlock(&mbox->f2hq_lock);  in octep_ctrl_mbox_recv()
260 int octep_ctrl_mbox_uninit(struct octep_ctrl_mbox *mbox)  in octep_ctrl_mbox_uninit()  argument
262 	if (!mbox)  in octep_ctrl_mbox_uninit()
264 	if (!mbox->barmem)  in octep_ctrl_mbox_uninit()
267 	writeq(0, OCTEP_CTRL_MBOX_INFO_HOST_VERSION(mbox->barmem));  in octep_ctrl_mbox_uninit()
269 	       OCTEP_CTRL_MBOX_INFO_HOST_STATUS(mbox->barmem));  in octep_ctrl_mbox_uninit()
273 	mutex_destroy(&mbox->h2fq_lock);  in octep_ctrl_mbox_uninit()
274 	mutex_destroy(&mbox->f2hq_lock);  in octep_ctrl_mbox_uninit()
276 	pr_info("Octep ctrl mbox : Uninit successful.\n");  in octep_ctrl_mbox_uninit()