88 static u8 peci_request_data_cc(struct peci_request *req)  in peci_request_data_cc()  argument
90 	return req->rx.buf[0];  in peci_request_data_cc()
95  * @req: the PECI request that contains response data with completion code
102 int peci_request_status(struct peci_request *req)  in peci_request_status()  argument
104 	u8 cc = peci_request_data_cc(req);  in peci_request_status()
107 		dev_dbg(&req->device->dev, "ret: %#02x\n", cc);  in peci_request_status()
133 static int peci_request_xfer(struct peci_request *req)  in peci_request_xfer()  argument
135 	struct peci_device *device = req->device;  in peci_request_xfer()
140 	ret = controller->ops->xfer(controller, device->addr, req);  in peci_request_xfer()
146 static int peci_request_xfer_retry(struct peci_request *req)  in peci_request_xfer_retry()  argument
149 	struct peci_device *device = req->device;  in peci_request_xfer_retry()
155 	if (WARN_ON(req->tx.len == 0))  in peci_request_xfer_retry()
159 		ret = peci_request_xfer(req);  in peci_request_xfer_retry()
165 		if (peci_request_status(req) != -EAGAIN)  in peci_request_xfer_retry()
169 		req->tx.buf[1] |= PECI_RETRY_BIT;  in peci_request_xfer_retry()
192 	struct peci_request *req;  in peci_request_alloc()  local
206 	req = kzalloc(sizeof(*req), GFP_KERNEL);  in peci_request_alloc()
207 	if (!req)  in peci_request_alloc()
210 	req->device = device;  in peci_request_alloc()
211 	req->tx.len = tx_len;  in peci_request_alloc()
212 	req->rx.len = rx_len;  in peci_request_alloc()
214 	return req;  in peci_request_alloc()
220  * @req: the PECI request to be freed
222 void peci_request_free(struct peci_request *req)  in peci_request_free()  argument
224 	kfree(req);  in peci_request_free()
230 	struct peci_request *req;  in peci_xfer_get_dib()  local
233 	req = peci_request_alloc(device, PECI_GET_DIB_WR_LEN, PECI_GET_DIB_RD_LEN);  in peci_xfer_get_dib()
234 	if (!req)  in peci_xfer_get_dib()
237 	req->tx.buf[0] = PECI_GET_DIB_CMD;  in peci_xfer_get_dib()
239 	ret = peci_request_xfer(req);  in peci_xfer_get_dib()
241 		peci_request_free(req);  in peci_xfer_get_dib()
245 	return req;  in peci_xfer_get_dib()
251 	struct peci_request *req;  in peci_xfer_get_temp()  local
254 	req = peci_request_alloc(device, PECI_GET_TEMP_WR_LEN, PECI_GET_TEMP_RD_LEN);  in peci_xfer_get_temp()
255 	if (!req)  in peci_xfer_get_temp()
258 	req->tx.buf[0] = PECI_GET_TEMP_CMD;  in peci_xfer_get_temp()
260 	ret = peci_request_xfer(req);  in peci_xfer_get_temp()
262 		peci_request_free(req);  in peci_xfer_get_temp()
266 	return req;  in peci_xfer_get_temp()
273 	struct peci_request *req;  in __pkg_cfg_read()  local
276 	req = peci_request_alloc(device, PECI_RDPKGCFG_WR_LEN, PECI_RDPKGCFG_RD_LEN_BASE + len);  in __pkg_cfg_read()
277 	if (!req)  in __pkg_cfg_read()
280 	req->tx.buf[0] = PECI_RDPKGCFG_CMD;  in __pkg_cfg_read()
281 	req->tx.buf[1] = 0;  in __pkg_cfg_read()
282 	req->tx.buf[2] = index;  in __pkg_cfg_read()
283 	put_unaligned_le16(param, &req->tx.buf[3]);  in __pkg_cfg_read()
285 	ret = peci_request_xfer_retry(req);  in __pkg_cfg_read()
287 		peci_request_free(req);  in __pkg_cfg_read()
291 	return req;  in __pkg_cfg_read()
302 	struct peci_request *req;  in __pci_cfg_local_read()  local
306 	req = peci_request_alloc(device, PECI_RDPCICFGLOCAL_WR_LEN,  in __pci_cfg_local_read()
308 	if (!req)  in __pci_cfg_local_read()
313 	req->tx.buf[0] = PECI_RDPCICFGLOCAL_CMD;  in __pci_cfg_local_read()
314 	req->tx.buf[1] = 0;  in __pci_cfg_local_read()
315 	put_unaligned_le24(pci_addr, &req->tx.buf[2]);  in __pci_cfg_local_read()
317 	ret = peci_request_xfer_retry(req);  in __pci_cfg_local_read()
319 		peci_request_free(req);  in __pci_cfg_local_read()
323 	return req;  in __pci_cfg_local_read()
330 	struct peci_request *req;  in __ep_pci_cfg_read()  local
334 	req = peci_request_alloc(device, PECI_RDENDPTCFG_PCI_WR_LEN,  in __ep_pci_cfg_read()
336 	if (!req)  in __ep_pci_cfg_read()
341 	req->tx.buf[0] = PECI_RDENDPTCFG_CMD;  in __ep_pci_cfg_read()
342 	req->tx.buf[1] = 0;  in __ep_pci_cfg_read()
343 	req->tx.buf[2] = msg_type;  in __ep_pci_cfg_read()
344 	req->tx.buf[3] = 0;  in __ep_pci_cfg_read()
345 	req->tx.buf[4] = 0;  in __ep_pci_cfg_read()
346 	req->tx.buf[5] = 0;  in __ep_pci_cfg_read()
347 	req->tx.buf[6] = PECI_ENDPTCFG_ADDR_TYPE_PCI;  in __ep_pci_cfg_read()
348 	req->tx.buf[7] = seg; /* PCI Segment */  in __ep_pci_cfg_read()
349 	put_unaligned_le32(pci_addr, &req->tx.buf[8]);  in __ep_pci_cfg_read()
351 	ret = peci_request_xfer_retry(req);  in __ep_pci_cfg_read()
353 		peci_request_free(req);  in __ep_pci_cfg_read()
357 	return req;  in __ep_pci_cfg_read()
364 	struct peci_request *req;  in __ep_mmio_read()  local
367 	req = peci_request_alloc(device, tx_len, PECI_RDENDPTCFG_RD_LEN_BASE + len);  in __ep_mmio_read()
368 	if (!req)  in __ep_mmio_read()
371 	req->tx.buf[0] = PECI_RDENDPTCFG_CMD;  in __ep_mmio_read()
372 	req->tx.buf[1] = 0;  in __ep_mmio_read()
373 	req->tx.buf[2] = PECI_ENDPTCFG_TYPE_MMIO;  in __ep_mmio_read()
374 	req->tx.buf[3] = 0; /* Endpoint ID */  in __ep_mmio_read()
375 	req->tx.buf[4] = 0; /* Reserved */  in __ep_mmio_read()
376 	req->tx.buf[5] = bar;  in __ep_mmio_read()
377 	req->tx.buf[6] = addr_type;  in __ep_mmio_read()
378 	req->tx.buf[7] = seg; /* PCI Segment */  in __ep_mmio_read()
379 	req->tx.buf[8] = PCI_DEVFN(dev, func);  in __ep_mmio_read()
380 	req->tx.buf[9] = bus; /* PCI Bus */  in __ep_mmio_read()
383 		put_unaligned_le32(offset, &req->tx.buf[10]);  in __ep_mmio_read()
385 		put_unaligned_le64(offset, &req->tx.buf[10]);  in __ep_mmio_read()
387 	ret = peci_request_xfer_retry(req);  in __ep_mmio_read()
389 		peci_request_free(req);  in __ep_mmio_read()
393 	return req;  in __ep_mmio_read()
396 u8 peci_request_data_readb(struct peci_request *req)  in peci_request_data_readb()  argument
398 	return req->rx.buf[1];  in peci_request_data_readb()
402 u16 peci_request_data_readw(struct peci_request *req)  in peci_request_data_readw()  argument
404 	return get_unaligned_le16(&req->rx.buf[1]);  in peci_request_data_readw()
408 u32 peci_request_data_readl(struct peci_request *req)  in peci_request_data_readl()  argument
410 	return get_unaligned_le32(&req->rx.buf[1]);  in peci_request_data_readl()
414 u64 peci_request_data_readq(struct peci_request *req)  in peci_request_data_readq()  argument
416 	return get_unaligned_le64(&req->rx.buf[1]);  in peci_request_data_readq()
420 u64 peci_request_dib_read(struct peci_request *req)  in peci_request_dib_read()  argument
422 	return get_unaligned_le64(&req->rx.buf[0]);  in peci_request_dib_read()
426 s16 peci_request_temp_read(struct peci_request *req)  in peci_request_temp_read()  argument
428 	return get_unaligned_le16(&req->rx.buf[0]);  in peci_request_temp_read()