5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_S390_CLP_H
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#define _ASM_S390_CLP_H
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/* CLP common request & response block size */
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#define CLP_BLK_SIZE PAGE_SIZE
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/* Call Logical Processor - Command Code */
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#define CLP_SLPC 0x0001
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#define CLP_LPS_BASE 0
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#define CLP_LPS_PCI 2
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struct clp_req_hdr {
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u16 len;
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u16 cmd;
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u32 fmt : 4;
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u32 reserved1 : 28;
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u64 reserved2;
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} __packed;
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struct clp_rsp_hdr {
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u16 len;
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u16 rsp;
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u32 fmt : 4;
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u32 reserved1 : 28;
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u64 reserved2;
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} __packed;
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/* CLP Response Codes */
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#define CLP_RC_OK 0x0010 /* Command request successfully */
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#define CLP_RC_CMD 0x0020 /* Command code not recognized */
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#define CLP_RC_PERM 0x0030 /* Command not authorized */
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#define CLP_RC_FMT 0x0040 /* Invalid command request format */
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#define CLP_RC_LEN 0x0050 /* Invalid command request length */
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#define CLP_RC_8K 0x0060 /* Command requires 8K LPCB */
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#define CLP_RC_RESNOT0 0x0070 /* Reserved field not zero */
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#define CLP_RC_NODATA 0x0080 /* No data available */
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#define CLP_RC_FC_UNKNOWN 0x0100 /* Function code not recognized */
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/* Store logical-processor characteristics request */
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struct clp_req_slpc {
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struct clp_req_hdr hdr;
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} __packed;
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struct clp_rsp_slpc {
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struct clp_rsp_hdr hdr;
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u32 reserved2[4];
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u32 lpif[8];
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u32 reserved3[8];
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u32 lpic[8];
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} __packed;
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struct clp_req_rsp_slpc {
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struct clp_req_slpc request;
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struct clp_rsp_slpc response;
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} __packed;
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#endif
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