[v5,04/11] scsi: ufs: sysfs: geometry descriptor

Message ID	1517933183-30892-5-git-send-email-stanislav.nijnikov@wdc.com (mailing list archive)
State	Changes Requested
Headers	show Return-Path: <linux-scsi-owner@kernel.org> From: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> To: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org, jaegeuk@kernel.org Cc: alex.lemberg@wdc.com, Stanislav Nijnikov <stanislav.nijnikov@wdc.com> Subject: [PATCH v5 04/11] scsi: ufs: sysfs: geometry descriptor Date: Tue, 6 Feb 2018 18:06:16 +0200 Message-Id: <1517933183-30892-5-git-send-email-stanislav.nijnikov@wdc.com> In-Reply-To: <1517933183-30892-1-git-send-email-stanislav.nijnikov@wdc.com> References: <1517933183-30892-1-git-send-email-stanislav.nijnikov@wdc.com> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk

diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs index 099e6fa..6ea7613 100644 --- a/Documentation/ABI/testing/sysfs-driver-ufs +++ b/Documentation/ABI/testing/sysfs-driver-ufs @@ -240,3 +240,176 @@ Description: This file shows the MIPI M-PHY version number in BCD format. The full information about the descriptor could be found at UFS specifications 2.1. The file is read only. + + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/raw_device_capacity +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows the total memory quantity available to + the user to configure the device logical units. This is one + of the UFS geometry descriptor parameters. The full + information about the descriptor could be found at + UFS specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/max_number_of_luns +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows the maximum number of logical units + supported by the UFS device. This is one of the UFS + geometry descriptor parameters. The full information about + the descriptor could be found at UFS specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/segment_size +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows the segment size. This is one of the UFS + geometry descriptor parameters. The full information about + the descriptor could be found at UFS specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/allocation_unit_size +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows the allocation unit size. This is one of + the UFS geometry descriptor parameters. The full information + about the descriptor could be found at UFS specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/min_addressable_block_size +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows the minimum addressable block size. This + is one of the UFS geometry descriptor parameters. The full + information about the descriptor could be found at UFS + specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/optimal_read_block_size +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows the optimal read block size. This is one + of the UFS geometry descriptor parameters. The full + information about the descriptor could be found at UFS + specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/optimal_write_block_size +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows the optimal write block size. This is one + of the UFS geometry descriptor parameters. The full + information about the descriptor could be found at UFS + specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/max_in_buffer_size +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows the maximum data-in buffer size. This + is one of the UFS geometry descriptor parameters. The full + information about the descriptor could be found at UFS + specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/max_out_buffer_size +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows the maximum data-out buffer size. This + is one of the UFS geometry descriptor parameters. The full + information about the descriptor could be found at UFS + specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/rpmb_rw_size +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows the maximum number of RPMB frames allowed + in Security Protocol In/Out. This is one of the UFS geometry + descriptor parameters. The full information about the + descriptor could be found at UFS specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/dyn_capacity_resource_policy +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows the dynamic capacity resource policy. This + is one of the UFS geometry descriptor parameters. The full + information about the descriptor could be found at + UFS specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/data_ordering +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows support for out-of-order data transfer. + This is one of the UFS geometry descriptor parameters. + The full information about the descriptor could be found at + UFS specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/max_number_of_contexts +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows maximum available number of contexts which + are supported by the device. This is one of the UFS geometry + descriptor parameters. The full information about the + descriptor could be found at UFS specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/sys_data_tag_unit_size +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows system data tag unit size. This is one of + the UFS geometry descriptor parameters. The full information + about the descriptor could be found at UFS specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/sys_data_tag_resource_size +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows maximum storage area size allocated by + the device to handle system data by the tagging mechanism. + This is one of the UFS geometry descriptor parameters. + The full information about the descriptor could be found at + UFS specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/secure_removal_types +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows supported secure removal types. This is + one of the UFS geometry descriptor parameters. The full + information about the descriptor could be found at + UFS specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/memory_types +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows supported memory types. This is one of + the UFS geometry descriptor parameters. The full + information about the descriptor could be found at + UFS specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/*_memory_max_alloc_units +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows the maximum number of allocation units for + different memory types (system code, non persistent, + enhanced type 1-4). This is one of the UFS geometry + descriptor parameters. The full information about the + descriptor could be found at UFS specifications 2.1. + The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/*_memory_capacity_adjustment_factor +Date: February 2018 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows the memory capacity adjustment factor for + different memory types (system code, non persistent, + enhanced type 1-4). This is one of the UFS geometry + descriptor parameters. The full information about the + descriptor could be found at UFS specifications 2.1. + The file is read only. diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c index e9e6ee4..7dfa8fb 100644 --- a/drivers/scsi/ufs/ufs-sysfs.c +++ b/drivers/scsi/ufs/ufs-sysfs.c @@ -266,10 +266,94 @@ static const struct attribute_group ufs_sysfs_interconnect_descriptor_group = { .attrs = ufs_sysfs_interconnect_descriptor, }; +#define UFS_GEOMETRY_DESC_PARAM(_name, _uname, _size) \ + UFS_DESC_PARAM(_name, _uname, GEOMETRY, _size) + +UFS_GEOMETRY_DESC_PARAM(raw_device_capacity, _DEV_CAP, 8); +UFS_GEOMETRY_DESC_PARAM(max_number_of_luns, _MAX_NUM_LUN, 1); +UFS_GEOMETRY_DESC_PARAM(segment_size, _SEG_SIZE, 4); +UFS_GEOMETRY_DESC_PARAM(allocation_unit_size, _ALLOC_UNIT_SIZE, 1); +UFS_GEOMETRY_DESC_PARAM(min_addressable_block_size, _MIN_BLK_SIZE, 1); +UFS_GEOMETRY_DESC_PARAM(optimal_read_block_size, _OPT_RD_BLK_SIZE, 1); +UFS_GEOMETRY_DESC_PARAM(optimal_write_block_size, _OPT_WR_BLK_SIZE, 1); +UFS_GEOMETRY_DESC_PARAM(max_in_buffer_size, _MAX_IN_BUF_SIZE, 1); +UFS_GEOMETRY_DESC_PARAM(max_out_buffer_size, _MAX_OUT_BUF_SIZE, 1); +UFS_GEOMETRY_DESC_PARAM(rpmb_rw_size, _RPMB_RW_SIZE, 1); +UFS_GEOMETRY_DESC_PARAM(dyn_capacity_resource_policy, _DYN_CAP_RSRC_PLC, 1); +UFS_GEOMETRY_DESC_PARAM(data_ordering, _DATA_ORDER, 1); +UFS_GEOMETRY_DESC_PARAM(max_number_of_contexts, _MAX_NUM_CTX, 1); +UFS_GEOMETRY_DESC_PARAM(sys_data_tag_unit_size, _TAG_UNIT_SIZE, 1); +UFS_GEOMETRY_DESC_PARAM(sys_data_tag_resource_size, _TAG_RSRC_SIZE, 1); +UFS_GEOMETRY_DESC_PARAM(secure_removal_types, _SEC_RM_TYPES, 1); +UFS_GEOMETRY_DESC_PARAM(memory_types, _MEM_TYPES, 2); +UFS_GEOMETRY_DESC_PARAM(sys_code_memory_max_alloc_units, + _SCM_MAX_NUM_UNITS, 4); +UFS_GEOMETRY_DESC_PARAM(sys_code_memory_capacity_adjustment_factor, + _SCM_CAP_ADJ_FCTR, 2); +UFS_GEOMETRY_DESC_PARAM(non_persist_memory_max_alloc_units, + _NPM_MAX_NUM_UNITS, 4); +UFS_GEOMETRY_DESC_PARAM(non_persist_memory_capacity_adjustment_factor, + _NPM_CAP_ADJ_FCTR, 2); +UFS_GEOMETRY_DESC_PARAM(enh1_memory_max_alloc_units, + _ENM1_MAX_NUM_UNITS, 4); +UFS_GEOMETRY_DESC_PARAM(enh1_memory_capacity_adjustment_factor, + _ENM1_CAP_ADJ_FCTR, 2); +UFS_GEOMETRY_DESC_PARAM(enh2_memory_max_alloc_units, + _ENM2_MAX_NUM_UNITS, 4); +UFS_GEOMETRY_DESC_PARAM(enh2_memory_capacity_adjustment_factor, + _ENM2_CAP_ADJ_FCTR, 2); +UFS_GEOMETRY_DESC_PARAM(enh3_memory_max_alloc_units, + _ENM3_MAX_NUM_UNITS, 4); +UFS_GEOMETRY_DESC_PARAM(enh3_memory_capacity_adjustment_factor, + _ENM3_CAP_ADJ_FCTR, 2); +UFS_GEOMETRY_DESC_PARAM(enh4_memory_max_alloc_units, + _ENM4_MAX_NUM_UNITS, 4); +UFS_GEOMETRY_DESC_PARAM(enh4_memory_capacity_adjustment_factor, + _ENM4_CAP_ADJ_FCTR, 2); + +static struct attribute *ufs_sysfs_geometry_descriptor[] = { + &dev_attr_raw_device_capacity.attr, + &dev_attr_max_number_of_luns.attr, + &dev_attr_segment_size.attr, + &dev_attr_allocation_unit_size.attr, + &dev_attr_min_addressable_block_size.attr, + &dev_attr_optimal_read_block_size.attr, + &dev_attr_optimal_write_block_size.attr, + &dev_attr_max_in_buffer_size.attr, + &dev_attr_max_out_buffer_size.attr, + &dev_attr_rpmb_rw_size.attr, + &dev_attr_dyn_capacity_resource_policy.attr, + &dev_attr_data_ordering.attr, + &dev_attr_max_number_of_contexts.attr, + &dev_attr_sys_data_tag_unit_size.attr, + &dev_attr_sys_data_tag_resource_size.attr, + &dev_attr_secure_removal_types.attr, + &dev_attr_memory_types.attr, + &dev_attr_sys_code_memory_max_alloc_units.attr, + &dev_attr_sys_code_memory_capacity_adjustment_factor.attr, + &dev_attr_non_persist_memory_max_alloc_units.attr, + &dev_attr_non_persist_memory_capacity_adjustment_factor.attr, + &dev_attr_enh1_memory_max_alloc_units.attr, + &dev_attr_enh1_memory_capacity_adjustment_factor.attr, + &dev_attr_enh2_memory_max_alloc_units.attr, + &dev_attr_enh2_memory_capacity_adjustment_factor.attr, + &dev_attr_enh3_memory_max_alloc_units.attr, + &dev_attr_enh3_memory_capacity_adjustment_factor.attr, + &dev_attr_enh4_memory_max_alloc_units.attr, + &dev_attr_enh4_memory_capacity_adjustment_factor.attr, + NULL, +}; + +static const struct attribute_group ufs_sysfs_geometry_descriptor_group = { + .name = "geometry_descriptor", + .attrs = ufs_sysfs_geometry_descriptor, +}; + static const struct attribute_group *ufs_sysfs_groups[] = { &ufs_sysfs_default_group, &ufs_sysfs_device_descriptor_group, &ufs_sysfs_interconnect_descriptor_group, + &ufs_sysfs_geometry_descriptor_group, NULL, }; diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index 773c049..04d41c8 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h @@ -238,6 +238,42 @@ enum interconnect_desc_param { INTERCONNECT_DESC_PARAM_MPHY_VER = 0x4, }; +/* Geometry descriptor parameters offsets in bytes*/ +enum geometry_desc_param { + GEOMETRY_DESC_PARAM_LEN = 0x0, + GEOMETRY_DESC_PARAM_TYPE = 0x1, + GEOMETRY_DESC_PARAM_DEV_CAP = 0x4, + GEOMETRY_DESC_PARAM_MAX_NUM_LUN = 0xC, + GEOMETRY_DESC_PARAM_SEG_SIZE = 0xD, + GEOMETRY_DESC_PARAM_ALLOC_UNIT_SIZE = 0x11, + GEOMETRY_DESC_PARAM_MIN_BLK_SIZE = 0x12, + GEOMETRY_DESC_PARAM_OPT_RD_BLK_SIZE = 0x13, + GEOMETRY_DESC_PARAM_OPT_WR_BLK_SIZE = 0x14, + GEOMETRY_DESC_PARAM_MAX_IN_BUF_SIZE = 0x15, + GEOMETRY_DESC_PARAM_MAX_OUT_BUF_SIZE = 0x16, + GEOMETRY_DESC_PARAM_RPMB_RW_SIZE = 0x17, + GEOMETRY_DESC_PARAM_DYN_CAP_RSRC_PLC = 0x18, + GEOMETRY_DESC_PARAM_DATA_ORDER = 0x19, + GEOMETRY_DESC_PARAM_MAX_NUM_CTX = 0x1A, + GEOMETRY_DESC_PARAM_TAG_UNIT_SIZE = 0x1B, + GEOMETRY_DESC_PARAM_TAG_RSRC_SIZE = 0x1C, + GEOMETRY_DESC_PARAM_SEC_RM_TYPES = 0x1D, + GEOMETRY_DESC_PARAM_MEM_TYPES = 0x1E, + GEOMETRY_DESC_PARAM_SCM_MAX_NUM_UNITS = 0x20, + GEOMETRY_DESC_PARAM_SCM_CAP_ADJ_FCTR = 0x24, + GEOMETRY_DESC_PARAM_NPM_MAX_NUM_UNITS = 0x26, + GEOMETRY_DESC_PARAM_NPM_CAP_ADJ_FCTR = 0x2A, + GEOMETRY_DESC_PARAM_ENM1_MAX_NUM_UNITS = 0x2C, + GEOMETRY_DESC_PARAM_ENM1_CAP_ADJ_FCTR = 0x30, + GEOMETRY_DESC_PARAM_ENM2_MAX_NUM_UNITS = 0x32, + GEOMETRY_DESC_PARAM_ENM2_CAP_ADJ_FCTR = 0x36, + GEOMETRY_DESC_PARAM_ENM3_MAX_NUM_UNITS = 0x38, + GEOMETRY_DESC_PARAM_ENM3_CAP_ADJ_FCTR = 0x3C, + GEOMETRY_DESC_PARAM_ENM4_MAX_NUM_UNITS = 0x3E, + GEOMETRY_DESC_PARAM_ENM4_CAP_ADJ_FCTR = 0x42, + GEOMETRY_DESC_PARAM_OPT_LOG_BLK_SIZE = 0x44, +}; + /* * Logical Unit Write Protect * 00h: LU not write protected

[v5,04/11] scsi: ufs: sysfs: geometry descriptor

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