^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef _ASM_S390_EADM_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define _ASM_S390_EADM_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/blk_types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) struct arqb {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) u64 data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) u16 fmt:4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) u16:12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) u16 cmd_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) u16:16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) u16 msb_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) u32 reserved[12];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define ARQB_CMD_MOVE 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct arsb {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) u16 fmt:4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) u32:28;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) u8 ef;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) u8:8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) u8 ecbi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) u8:8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) u8 fvf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) u16:16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) u8 eqc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) u32:32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) u64 fail_msb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) u64 fail_aidaw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) u64 fail_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) u64 fail_scm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) u32 reserved[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define EQC_WR_PROHIBIT 22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct msb {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) u8 fmt:4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) u8 oc:4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) u8 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) u16:12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) u16 bs:4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) u32 blk_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) u64 data_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) u64 scm_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) u64:64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct aidaw {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) u8 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) u32 :24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) u32 :32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) u64 data_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define MSB_OC_CLEAR 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define MSB_OC_READ 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define MSB_OC_WRITE 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define MSB_OC_RELEASE 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define MSB_FLAG_BNM 0x80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define MSB_FLAG_IDA 0x40
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define MSB_BS_4K 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define MSB_BS_1M 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define AOB_NR_MSB 124
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) struct aob {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) struct arqb request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct arsb response;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct msb msb[AOB_NR_MSB];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) } __packed __aligned(PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) struct aob_rq_header {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct scm_device *scmdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) char data[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct scm_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) u64 address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) u64 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) unsigned int nr_max_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct device dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) unsigned int persistence:4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) unsigned int oper_state:4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) unsigned int data_state:4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) unsigned int rank:4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) unsigned int release:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) unsigned int res_id:8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) } __packed attrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #define OP_STATE_GOOD 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define OP_STATE_TEMP_ERR 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #define OP_STATE_PERM_ERR 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) enum scm_event {SCM_CHANGE, SCM_AVAIL};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct scm_driver {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct device_driver drv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) int (*probe) (struct scm_device *scmdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) int (*remove) (struct scm_device *scmdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) void (*notify) (struct scm_device *scmdev, enum scm_event event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) void (*handler) (struct scm_device *scmdev, void *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) blk_status_t error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) int scm_driver_register(struct scm_driver *scmdrv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) void scm_driver_unregister(struct scm_driver *scmdrv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) int eadm_start_aob(struct aob *aob);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) void scm_irq_handler(struct aob *aob, blk_status_t error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) #endif /* _ASM_S390_EADM_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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