[v1,5/9] ufs: sysfs: power descriptor

Message ID	1514190878-5571-6-git-send-email-stanislav.nijnikov@wdc.com (mailing list archive)
State	Superseded
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 Cc: alex.lemberg@wdc.com, Stanislav Nijnikov <stanislav.nijnikov@wdc.com> Subject: [PATCH v1 5/9] ufs: sysfs: power descriptor Date: Mon, 25 Dec 2017 10:34:34 +0200 Message-Id: <1514190878-5571-6-git-send-email-stanislav.nijnikov@wdc.com> In-Reply-To: <1514190878-5571-1-git-send-email-stanislav.nijnikov@wdc.com> References: <1514190878-5571-1-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 59399e3..7b86efd 100644 --- a/Documentation/ABI/testing/sysfs-driver-ufs +++ b/Documentation/ABI/testing/sysfs-driver-ufs @@ -440,4 +440,14 @@ Description: This file shows indication of the device life time (method b). This is one of the UFS health 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/*/power_descriptor/active_icc_levels_vcc* +Date: August 2017 +Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> +Description: This file shows maximum VCC, VCCQ and VCCQ2 value for + active ICC levels from 0 to 15. This is one of the UFS + power descriptor parameters. The full information about + the descriptor could be found at UFS specifications 2.1. The file is read only. \ No newline at end of file diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c index 7b96677..b47cd2a 100644 --- a/drivers/scsi/ufs/ufs-sysfs.c +++ b/drivers/scsi/ufs/ufs-sysfs.c @@ -251,11 +251,132 @@ static const struct attribute_group ufs_sysfs_health_descriptor_group = { .attrs = ufs_sysfs_health_descriptor, }; +#define ufs_sysfs_power_desc_param_show(_name, _puname, _index) \ +static ssize_t _name##_index##_show(struct device *dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + struct ufs_hba *hba = dev_get_drvdata(dev); \ + return ufs_sysfs_read_desc_param(hba, QUERY_DESC_IDN_POWER, 0, buf, \ + PWR_DESC_##_puname##_0 + _index * UFS_PARAM_WORD_SIZE, \ + UFS_PARAM_WORD_SIZE); \ +} + +#define UFS_POWER_DESC_PARAM(_pname, _puname, _index) \ + ufs_sysfs_power_desc_param_show(_pname, _puname, _index) \ + static DEVICE_ATTR_RO(_pname##_index) + +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 0); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 1); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 2); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 3); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 4); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 5); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 6); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 7); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 8); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 9); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 10); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 11); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 12); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 13); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 14); +UFS_POWER_DESC_PARAM(active_icc_levels_vcc, ACTIVE_LVLS_VCC, 15); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 0); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 1); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 2); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 3); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 4); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 5); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 6); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 7); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 8); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 9); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 10); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 11); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 12); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 13); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 14); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq, ACTIVE_LVLS_VCCQ, 15); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 0); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 1); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 2); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 3); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 4); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 5); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 6); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 7); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 8); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 9); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 10); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 11); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 12); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 13); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 14); +UFS_POWER_DESC_PARAM(active_icc_levels_vccq2, ACTIVE_LVLS_VCCQ2, 15); + +static struct attribute *ufs_sysfs_power_descriptor[] = { + &dev_attr_active_icc_levels_vcc0.attr, + &dev_attr_active_icc_levels_vcc1.attr, + &dev_attr_active_icc_levels_vcc2.attr, + &dev_attr_active_icc_levels_vcc3.attr, + &dev_attr_active_icc_levels_vcc4.attr, + &dev_attr_active_icc_levels_vcc5.attr, + &dev_attr_active_icc_levels_vcc6.attr, + &dev_attr_active_icc_levels_vcc7.attr, + &dev_attr_active_icc_levels_vcc8.attr, + &dev_attr_active_icc_levels_vcc9.attr, + &dev_attr_active_icc_levels_vcc10.attr, + &dev_attr_active_icc_levels_vcc11.attr, + &dev_attr_active_icc_levels_vcc12.attr, + &dev_attr_active_icc_levels_vcc13.attr, + &dev_attr_active_icc_levels_vcc14.attr, + &dev_attr_active_icc_levels_vcc15.attr, + &dev_attr_active_icc_levels_vccq0.attr, + &dev_attr_active_icc_levels_vccq1.attr, + &dev_attr_active_icc_levels_vccq2.attr, + &dev_attr_active_icc_levels_vccq3.attr, + &dev_attr_active_icc_levels_vccq4.attr, + &dev_attr_active_icc_levels_vccq5.attr, + &dev_attr_active_icc_levels_vccq6.attr, + &dev_attr_active_icc_levels_vccq7.attr, + &dev_attr_active_icc_levels_vccq8.attr, + &dev_attr_active_icc_levels_vccq9.attr, + &dev_attr_active_icc_levels_vccq10.attr, + &dev_attr_active_icc_levels_vccq11.attr, + &dev_attr_active_icc_levels_vccq12.attr, + &dev_attr_active_icc_levels_vccq13.attr, + &dev_attr_active_icc_levels_vccq14.attr, + &dev_attr_active_icc_levels_vccq15.attr, + &dev_attr_active_icc_levels_vccq20.attr, + &dev_attr_active_icc_levels_vccq21.attr, + &dev_attr_active_icc_levels_vccq22.attr, + &dev_attr_active_icc_levels_vccq23.attr, + &dev_attr_active_icc_levels_vccq24.attr, + &dev_attr_active_icc_levels_vccq25.attr, + &dev_attr_active_icc_levels_vccq26.attr, + &dev_attr_active_icc_levels_vccq27.attr, + &dev_attr_active_icc_levels_vccq28.attr, + &dev_attr_active_icc_levels_vccq29.attr, + &dev_attr_active_icc_levels_vccq210.attr, + &dev_attr_active_icc_levels_vccq211.attr, + &dev_attr_active_icc_levels_vccq212.attr, + &dev_attr_active_icc_levels_vccq213.attr, + &dev_attr_active_icc_levels_vccq214.attr, + &dev_attr_active_icc_levels_vccq215.attr, + NULL, +}; + +static const struct attribute_group ufs_sysfs_power_descriptor_group = { + .name = "power_descriptor", + .attrs = ufs_sysfs_power_descriptor, +}; + static const struct attribute_group *ufs_sysfs_groups[] = { &ufs_sysfs_device_descriptor_group, &ufs_sysfs_interconnect_descriptor_group, &ufs_sysfs_geometry_descriptor_group, &ufs_sysfs_health_descriptor_group, + &ufs_sysfs_power_descriptor_group, NULL, };

[v1,5/9] ufs: sysfs: power descriptor

Commit Message

Patch