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Diffstat (limited to '')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_pf2vf_msg.h | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_pf2vf_msg.h b/drivers/crypto/qat/qat_common/adf_pf2vf_msg.h deleted file mode 100644 index a7d8f8367345..000000000000 --- a/drivers/crypto/qat/qat_common/adf_pf2vf_msg.h +++ /dev/null @@ -1,93 +0,0 @@ -/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */ -/* Copyright(c) 2015 - 2020 Intel Corporation */ -#ifndef ADF_PF2VF_MSG_H -#define ADF_PF2VF_MSG_H - -/* - * PF<->VF Messaging - * The PF has an array of 32-bit PF2VF registers, one for each VF. The - * PF can access all these registers; each VF can access only the one - * register associated with that particular VF. - * - * The register functionally is split into two parts: - * The bottom half is for PF->VF messages. In particular when the first - * bit of this register (bit 0) gets set an interrupt will be triggered - * in the respective VF. - * The top half is for VF->PF messages. In particular when the first bit - * of this half of register (bit 16) gets set an interrupt will be triggered - * in the PF. - * - * The remaining bits within this register are available to encode messages. - * and implement a collision control mechanism to prevent concurrent use of - * the PF2VF register by both the PF and VF. - * - * 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 - * _______________________________________________ - * | | | | | | | | | | | | | | | | | - * +-----------------------------------------------+ - * \___________________________/ \_________/ ^ ^ - * ^ ^ | | - * | | | VF2PF Int - * | | Message Origin - * | Message Type - * Message-specific Data/Reserved - * - * 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 - * _______________________________________________ - * | | | | | | | | | | | | | | | | | - * +-----------------------------------------------+ - * \___________________________/ \_________/ ^ ^ - * ^ ^ | | - * | | | PF2VF Int - * | | Message Origin - * | Message Type - * Message-specific Data/Reserved - * - * Message Origin (Should always be 1) - * A legacy out-of-tree QAT driver allowed for a set of messages not supported - * by this driver; these had a Msg Origin of 0 and are ignored by this driver. - * - * When a PF or VF attempts to send a message in the lower or upper 16 bits, - * respectively, the other 16 bits are written to first with a defined - * IN_USE_BY pattern as part of a collision control scheme (see adf_iov_putmsg). - */ - -#define ADF_PFVF_COMPAT_THIS_VERSION 0x1 /* PF<->VF compat */ - -/* PF->VF messages */ -#define ADF_PF2VF_INT BIT(0) -#define ADF_PF2VF_MSGORIGIN_SYSTEM BIT(1) -#define ADF_PF2VF_MSGTYPE_MASK 0x0000003C -#define ADF_PF2VF_MSGTYPE_SHIFT 2 -#define ADF_PF2VF_MSGTYPE_RESTARTING 0x01 -#define ADF_PF2VF_MSGTYPE_VERSION_RESP 0x02 -#define ADF_PF2VF_IN_USE_BY_PF 0x6AC20000 -#define ADF_PF2VF_IN_USE_BY_PF_MASK 0xFFFE0000 - -/* PF->VF Version Response */ -#define ADF_PF2VF_VERSION_RESP_VERS_MASK 0x00003FC0 -#define ADF_PF2VF_VERSION_RESP_VERS_SHIFT 6 -#define ADF_PF2VF_VERSION_RESP_RESULT_MASK 0x0000C000 -#define ADF_PF2VF_VERSION_RESP_RESULT_SHIFT 14 -#define ADF_PF2VF_MINORVERSION_SHIFT 6 -#define ADF_PF2VF_MAJORVERSION_SHIFT 10 -#define ADF_PF2VF_VF_COMPATIBLE 1 -#define ADF_PF2VF_VF_INCOMPATIBLE 2 -#define ADF_PF2VF_VF_COMPAT_UNKNOWN 3 - -/* VF->PF messages */ -#define ADF_VF2PF_IN_USE_BY_VF 0x00006AC2 -#define ADF_VF2PF_IN_USE_BY_VF_MASK 0x0000FFFE -#define ADF_VF2PF_INT BIT(16) -#define ADF_VF2PF_MSGORIGIN_SYSTEM BIT(17) -#define ADF_VF2PF_MSGTYPE_MASK 0x003C0000 -#define ADF_VF2PF_MSGTYPE_SHIFT 18 -#define ADF_VF2PF_MSGTYPE_INIT 0x3 -#define ADF_VF2PF_MSGTYPE_SHUTDOWN 0x4 -#define ADF_VF2PF_MSGTYPE_VERSION_REQ 0x5 -#define ADF_VF2PF_MSGTYPE_COMPAT_VER_REQ 0x6 - -/* VF->PF Compatible Version Request */ -#define ADF_VF2PF_COMPAT_VER_REQ_SHIFT 22 - -#endif /* ADF_IOV_MSG_H */ |