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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d2fc439b99
Add structures to be used by the eadm subchannel driver. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
75 lines
987 B
C
75 lines
987 B
C
#ifndef _ASM_S390_EADM_H
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#define _ASM_S390_EADM_H
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#include <linux/types.h>
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struct arqb {
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u64 data;
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u16 fmt:4;
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u16:12;
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u16 cmd_code;
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u16:16;
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u16 msb_count;
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u32 reserved[12];
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} __packed;
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#define ARQB_CMD_MOVE 1
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struct arsb {
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u16 fmt:4;
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u32:28;
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u8 ef;
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u8:8;
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u8 ecbi;
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u8:8;
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u8 fvf;
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u16:16;
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u8 eqc;
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u32:32;
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u64 fail_msb;
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u64 fail_aidaw;
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u64 fail_ms;
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u64 fail_scm;
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u32 reserved[4];
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} __packed;
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struct msb {
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u8 fmt:4;
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u8 oc:4;
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u8 flags;
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u16:12;
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u16 bs:4;
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u32 blk_count;
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u64 data_addr;
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u64 scm_addr;
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u64:64;
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} __packed;
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struct aidaw {
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u8 flags;
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u32 :24;
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u32 :32;
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u64 data_addr;
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} __packed;
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#define MSB_OC_CLEAR 0
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#define MSB_OC_READ 1
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#define MSB_OC_WRITE 2
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#define MSB_OC_RELEASE 3
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#define MSB_FLAG_BNM 0x80
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#define MSB_FLAG_IDA 0x40
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#define MSB_BS_4K 0
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#define MSB_BS_1M 1
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#define AOB_NR_MSB 124
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struct aob {
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struct arqb request;
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struct arsb response;
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struct msb msb[AOB_NR_MSB];
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} __packed __aligned(PAGE_SIZE);
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#endif /* _ASM_S390_EADM_H */
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