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ufs: export UFS headers to userspace
create UFS headers that can be exported to userspace. Signed-off-by: Alin Jerpelea <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ | ||
| #ifndef UAPI_UFS_IOCTL_H_ | ||
| #define UAPI_UFS_IOCTL_H_ | ||
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| #include <linux/types.h> | ||
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| /* | ||
| * IOCTL opcode for ufs queries has the following opcode after | ||
| * SCSI_IOCTL_GET_PCI | ||
| */ | ||
| #define UFS_IOCTL_QUERY 0x5388 | ||
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| /** | ||
| * struct ufs_ioctl_query_data - used to transfer data to and from user via | ||
| * ioctl | ||
| * @opcode: type of data to query (descriptor/attribute/flag) | ||
| * @idn: id of the data structure | ||
| * @buf_size: number of allocated bytes/data size on return | ||
| * @buffer: data location | ||
| * | ||
| * Received: buffer and buf_size (available space for transferred data) | ||
| * Submitted: opcode, idn, length, buf_size | ||
| */ | ||
| struct ufs_ioctl_query_data { | ||
| /* | ||
| * User should select one of the opcode defined in "enum query_opcode". | ||
| * Please check include/uapi/scsi/ufs/ufs.h for the definition of it. | ||
| * Note that only UPIU_QUERY_OPCODE_READ_DESC, | ||
| * UPIU_QUERY_OPCODE_READ_ATTR & UPIU_QUERY_OPCODE_READ_FLAG are | ||
| * supported as of now. All other query_opcode would be considered | ||
| * invalid. | ||
| * As of now only read query operations are supported. | ||
| */ | ||
| __u32 opcode; | ||
| /* | ||
| * User should select one of the idn from "enum flag_idn" or "enum | ||
| * attr_idn" or "enum desc_idn" based on whether opcode above is | ||
| * attribute, flag or descriptor. | ||
| * Please check include/uapi/scsi/ufs/ufs.h for the definition of it. | ||
| */ | ||
| __u8 idn; | ||
| /* | ||
| * User should specify the size of the buffer (buffer[0] below) where | ||
| * it wants to read the query data (attribute/flag/descriptor). | ||
| * As we might end up reading less data then what is specified in | ||
| * buf_size. So we are updating buf_size to what exactly we have read. | ||
| */ | ||
| __u16 buf_size; | ||
| /* | ||
| * placeholder for the start of the data buffer where kernel will copy | ||
| * the query data (attribute/flag/descriptor) read from the UFS device | ||
| * Note: | ||
| * For Read/Write Attribute you will have to allocate 4 bytes | ||
| * For Read/Write Flag you will have to allocate 1 byte | ||
| */ | ||
| __u8 buffer[0]; | ||
| }; | ||
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| #endif /* UAPI_UFS_IOCTL_H_ */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ | ||
| #ifndef UAPI_UFS_H_ | ||
| #define UAPI_UFS_H_ | ||
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| /* Flag idn for Query Requests*/ | ||
| enum flag_idn { | ||
| QUERY_FLAG_IDN_FDEVICEINIT = 0x01, | ||
| QUERY_FLAG_IDN_PERMANENT_WPE = 0x02, | ||
| QUERY_FLAG_IDN_PWR_ON_WPE = 0x03, | ||
| QUERY_FLAG_IDN_BKOPS_EN = 0x04, | ||
| QUERY_FLAG_IDN_LIFE_SPAN_MODE_ENABLE = 0x05, | ||
| QUERY_FLAG_IDN_PURGE_ENABLE = 0x06, | ||
| QUERY_FLAG_IDN_RESERVED2 = 0x07, | ||
| QUERY_FLAG_IDN_FPHYRESOURCEREMOVAL = 0x08, | ||
| QUERY_FLAG_IDN_BUSY_RTC = 0x09, | ||
| QUERY_FLAG_IDN_RESERVED3 = 0x0A, | ||
| QUERY_FLAG_IDN_PERMANENTLY_DISABLE_FW_UPDATE = 0x0B, | ||
| QUERY_FLAG_IDN_WB_EN = 0x0E, | ||
| QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN = 0x0F, | ||
| QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8 = 0x10, | ||
| }; | ||
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| /* Attribute idn for Query requests */ | ||
| enum attr_idn { | ||
| QUERY_ATTR_IDN_BOOT_LU_EN = 0x00, | ||
| QUERY_ATTR_IDN_RESERVED = 0x01, | ||
| QUERY_ATTR_IDN_POWER_MODE = 0x02, | ||
| QUERY_ATTR_IDN_ACTIVE_ICC_LVL = 0x03, | ||
| QUERY_ATTR_IDN_OOO_DATA_EN = 0x04, | ||
| QUERY_ATTR_IDN_BKOPS_STATUS = 0x05, | ||
| QUERY_ATTR_IDN_PURGE_STATUS = 0x06, | ||
| QUERY_ATTR_IDN_MAX_DATA_IN = 0x07, | ||
| QUERY_ATTR_IDN_MAX_DATA_OUT = 0x08, | ||
| QUERY_ATTR_IDN_DYN_CAP_NEEDED = 0x09, | ||
| QUERY_ATTR_IDN_REF_CLK_FREQ = 0x0A, | ||
| QUERY_ATTR_IDN_CONF_DESC_LOCK = 0x0B, | ||
| QUERY_ATTR_IDN_MAX_NUM_OF_RTT = 0x0C, | ||
| QUERY_ATTR_IDN_EE_CONTROL = 0x0D, | ||
| QUERY_ATTR_IDN_EE_STATUS = 0x0E, | ||
| QUERY_ATTR_IDN_SECONDS_PASSED = 0x0F, | ||
| QUERY_ATTR_IDN_CNTX_CONF = 0x10, | ||
| QUERY_ATTR_IDN_CORR_PRG_BLK_NUM = 0x11, | ||
| QUERY_ATTR_IDN_RESERVED2 = 0x12, | ||
| QUERY_ATTR_IDN_RESERVED3 = 0x13, | ||
| QUERY_ATTR_IDN_FFU_STATUS = 0x14, | ||
| QUERY_ATTR_IDN_PSA_STATE = 0x15, | ||
| QUERY_ATTR_IDN_PSA_DATA_SIZE = 0x16, | ||
| QUERY_ATTR_IDN_REF_CLK_GATING_WAIT_TIME = 0x17, | ||
| QUERY_ATTR_IDN_WB_FLUSH_STATUS = 0x1C, | ||
| QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE = 0x1D, | ||
| QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST = 0x1E, | ||
| QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE = 0x1F, | ||
| }; | ||
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| /* Descriptor idn for Query requests */ | ||
| enum desc_idn { | ||
| QUERY_DESC_IDN_DEVICE = 0x0, | ||
| QUERY_DESC_IDN_CONFIGURATION = 0x1, | ||
| QUERY_DESC_IDN_UNIT = 0x2, | ||
| QUERY_DESC_IDN_RFU_0 = 0x3, | ||
| QUERY_DESC_IDN_INTERCONNECT = 0x4, | ||
| QUERY_DESC_IDN_STRING = 0x5, | ||
| QUERY_DESC_IDN_RFU_1 = 0x6, | ||
| QUERY_DESC_IDN_GEOMETRY = 0x7, | ||
| QUERY_DESC_IDN_POWER = 0x8, | ||
| QUERY_DESC_IDN_HEALTH = 0x9, | ||
| QUERY_DESC_IDN_MAX, | ||
| }; | ||
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| /* UTP QUERY Transaction Specific Fields OpCode */ | ||
| enum query_opcode { | ||
| UPIU_QUERY_OPCODE_NOP = 0x0, | ||
| UPIU_QUERY_OPCODE_READ_DESC = 0x1, | ||
| UPIU_QUERY_OPCODE_WRITE_DESC = 0x2, | ||
| UPIU_QUERY_OPCODE_READ_ATTR = 0x3, | ||
| UPIU_QUERY_OPCODE_WRITE_ATTR = 0x4, | ||
| UPIU_QUERY_OPCODE_READ_FLAG = 0x5, | ||
| UPIU_QUERY_OPCODE_SET_FLAG = 0x6, | ||
| UPIU_QUERY_OPCODE_CLEAR_FLAG = 0x7, | ||
| UPIU_QUERY_OPCODE_TOGGLE_FLAG = 0x8, | ||
| UPIU_QUERY_OPCODE_MAX, | ||
| }; | ||
| #endif /* UAPI_UFS_H_ */ |