Lines Matching defs:shmem
32 void shmem_tx_prepare(struct scmi_shared_mem __iomem *shmem,
41 spin_until_cond(ioread32(&shmem->channel_status) &
44 iowrite32(0x0, &shmem->channel_status);
46 &shmem->flags);
47 iowrite32(sizeof(shmem->msg_header) + xfer->tx.len, &shmem->length);
48 iowrite32(pack_scmi_header(&xfer->hdr), &shmem->msg_header);
50 memcpy_toio(shmem->msg_payload, xfer->tx.buf, xfer->tx.len);
53 u32 shmem_read_header(struct scmi_shared_mem __iomem *shmem)
55 return ioread32(&shmem->msg_header);
58 void shmem_fetch_response(struct scmi_shared_mem __iomem *shmem,
61 size_t len = ioread32(&shmem->length);
63 xfer->hdr.status = ioread32(shmem->msg_payload);
64 /* Skip the length of header and status in shmem area i.e 8 bytes */
68 memcpy_fromio(xfer->rx.buf, shmem->msg_payload + 4, xfer->rx.len);
71 void shmem_fetch_notification(struct scmi_shared_mem __iomem *shmem,
74 size_t len = ioread32(&shmem->length);
76 /* Skip only the length of header in shmem area i.e 4 bytes */
80 memcpy_fromio(xfer->rx.buf, shmem->msg_payload, xfer->rx.len);
83 void shmem_clear_channel(struct scmi_shared_mem __iomem *shmem)
85 iowrite32(SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE, &shmem->channel_status);
88 bool shmem_poll_done(struct scmi_shared_mem __iomem *shmem,
93 xfer_id = MSG_XTRACT_TOKEN(ioread32(&shmem->msg_header));
98 return ioread32(&shmem->channel_status) &