cdx/controller/mc_cdx_pcol.h

1 /* SPDX-License-Identifier: GPL-2.0
6  * Copyright (C) 2022-2023, Advanced Micro Devices, Inc.
19  *       0       7  8     16    20     22  23  24    31
22  *               |                      |   \--- Response
23  *               |                      \------- Error
24  *               \------------------------------ Resync (always set)
50 #define MCDI_HEADER_DATALEN_LBN		8
51 #define MCDI_HEADER_DATALEN_WIDTH	8
63 #define MCDI_HEADER_XFLAGS_WIDTH	8
76  *   - To advance a shared memory request if XFLAGS_EVREQ was set
77  *   - As a notification (link state, i2c event), controlled
89  *   - LEVEL==INFO    Command succeeded
90  *   - LEVEL==ERR     Command failed
92  *    0     8         16      24     32
101  * non-existent MCDI command MC_CMD_DEBUG_LOG.
103  *      0         7        8
106  * Since the event is written in big-endian byte order, this works
107  * providing bits 56-63 of the event are 0xc0.
117  * the errno value may be followed by the (0-based) number of the
125 /* Non-existent command target */
147 /* Read-only */
153 /* Non-recursive resource is already acquired */
177 /* V-adaptor not found. */
181 /* V-switch not found. */
189 /* Invalid v-switch type. */
191 /* Invalid v-port type. */
211  * sub-variant switching.
270  * BUS_COUNT-1
289  * Bus number to enumerate, in range 0 to BUS_COUNT-1, as returned by
299  * DEVICE_COUNT-1. Returns EAGAIN if number of devices unknown or if the target
311  * DEVICE_COUNT - 1), retrieving device resource data. May return EAGAIN if the
315  * addresses (prior to any potential IOMMU translation). For versal-net, these
316  * are equivalent to APU physical addresses. Implementation note - for this to
326 #define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_IN_LEN					8
327 /* Device bus number, in range 0 to BUS_COUNT-1 */
330 /* Device number relative to the bus, in range 0 to DEVICE_COUNT-1 for that bus */
336 /* 16-bit Vendor identifier, compliant with PCI-SIG VendorID assignment. */
339 /* 16-bit Device ID assigned by the vendor */
343  * 16-bit Subsystem Vendor ID, , compliant with PCI-SIG VendorID assignment.
349  * 16-bit Subsystem Device ID assigned by the vendor. For further device
354 /* 24-bit Device Class code, compliant with PCI-SIG Device Class codes */
355 #define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_DEVICE_CLASS_OFST			8
357 /* 8-bit vendor-assigned revision */
365 #define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_MMIO_REGION0_BASE_LEN		8
376 #define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_MMIO_REGION0_SIZE_LEN		8
387 #define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_MMIO_REGION1_BASE_LEN		8
398 #define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_MMIO_REGION1_SIZE_LEN		8
409 #define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_MMIO_REGION2_BASE_LEN		8
420 #define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_MMIO_REGION2_SIZE_LEN		8
431 #define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_MMIO_REGION3_BASE_LEN		8
442 #define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_MMIO_REGION3_SIZE_LEN		8
462  * logic is reset in a hardware-specific way and DMA bus mastering is disabled.
471 #define MC_CMD_CDX_DEVICE_RESET_IN_LEN			8
472 /* Device bus number, in range 0 to BUS_COUNT-1 */
475 /* Device number relative to the bus, in range 0 to DEVICE_COUNT-1 for that bus */
509 /* Device bus number, in range 0 to BUS_COUNT-1 */
512 /* Device number relative to the bus, in range 0 to DEVICE_COUNT-1 for that bus */
515 #define MC_CMD_CDX_DEVICE_CONTROL_SET_IN_FLAGS_OFST			8
517 #define MC_CMD_CDX_DEVICE_CONTROL_SET_IN_BUS_MASTER_ENABLE_OFST		8
520 #define MC_CMD_CDX_DEVICE_CONTROL_SET_IN_MSI_ENABLE_OFST		8
523 #define MC_CMD_CDX_DEVICE_CONTROL_SET_IN_MMIO_REGIONS_ENABLE_OFST	8
543 #define MC_CMD_CDX_DEVICE_CONTROL_GET_IN_LEN				8
544 /* Device bus number, in range 0 to BUS_COUNT-1 */
547 /* Device number relative to the bus, in range 0 to DEVICE_COUNT-1 for that bus */
566 /* MC_CMD_V2_EXTN - Encapsulation for a v2 extended command */
585  * enum: MCDI command directed to versal-net. MCDI responses of this type