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UFSHPB_Device_Driver.patch
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UFSHPB_Device_Driver.patch
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diff -urN iu_board_exynos_legacy/iu_board_exynos/drivers/scsi/ufs/Kconfig iu_board_exynos_DDv1.3.5/iu_board_exynos/drivers/scsi/ufs/Kconfig
--- iu_board_exynos_legacy/iu_board_exynos/drivers/scsi/ufs/Kconfig 2018-06-27 16:36:27.213891989 +0900
+++ iu_board_exynos_DDv1.3.5/iu_board_exynos/drivers/scsi/ufs/Kconfig 2018-06-27 16:55:41.805891896 +0900
@@ -3,6 +3,7 @@
#
# This code is based on drivers/scsi/ufs/Kconfig
# Copyright (C) 2011-2013 Samsung India Software Operations
+# Copyright (c) 2017-2018 Samsung Electronics Co., Ltd.
#
# Authors:
# Santosh Yaraganavi <[email protected]>
@@ -94,6 +95,12 @@
If you have a controller with this interface, say Y here.
If unsure, say N.
+
+config UFSHPB
+ bool "UFSHPB (EXPERIMENTAL)"
+ depends on SCSI_UFSHCD
+ ---help---
+ UFSHPB v1.0 test driver
choice
prompt "Option for self-test failure"
diff -urN iu_board_exynos_legacy/iu_board_exynos/drivers/scsi/ufs/Makefile iu_board_exynos_DDv1.3.5/iu_board_exynos/drivers/scsi/ufs/Makefile
--- iu_board_exynos_legacy/iu_board_exynos/drivers/scsi/ufs/Makefile 2018-06-27 16:36:27.213891989 +0900
+++ iu_board_exynos_DDv1.3.5/iu_board_exynos/drivers/scsi/ufs/Makefile 2018-06-27 16:55:27.693891897 +0900
@@ -1,5 +1,6 @@
# UFSHCD makefile
obj-$(CONFIG_SCSI_UFSHCD) += ufshcd.o ufs_quirks.o
+obj-$(CONFIG_UFSHPB) += ufshpb.o
obj-$(CONFIG_SCSI_UFSHCD_PCI) += ufshcd-pci.o
obj-$(CONFIG_SCSI_UFSHCD_PLATFORM) += ufshcd-pltfrm.o
obj-$(CONFIG_SCSI_UFS_EXYNOS) += ufs-exynos.o
diff -urN iu_board_exynos_legacy/iu_board_exynos/drivers/scsi/ufs/ufs.h iu_board_exynos_DDv1.3.5/iu_board_exynos/drivers/scsi/ufs/ufs.h
--- iu_board_exynos_legacy/iu_board_exynos/drivers/scsi/ufs/ufs.h 2018-06-27 16:36:27.213891989 +0900
+++ iu_board_exynos_DDv1.3.5/iu_board_exynos/drivers/scsi/ufs/ufs.h 2018-06-27 16:55:41.805891896 +0900
@@ -3,6 +3,7 @@
*
* This code is based on drivers/scsi/ufs/ufs.h
* Copyright (C) 2011-2013 Samsung India Software Operations
+ * Copyright (c) 2017-2018 Samsung Electronics Co., Ltd.
*
* Authors:
* Santosh Yaraganavi <[email protected]>
@@ -72,6 +73,16 @@
UFS_UPIU_RPMB_WLUN = 0xC4,
};
+/**
+ * ufs_is_valid_unit_desc_lun - checks if the given LUN has a unit descriptor
+ * @lun: LU number to check
+ * @return: true if the lun has a matching unit descriptor, false otherwise
+ */
+static inline bool ufs_is_valid_unit_desc_lun(u8 lun)
+{
+ return (lun == UFS_UPIU_RPMB_WLUN || (lun < UFS_UPIU_MAX_GENERAL_LUN));
+}
+
/*
* UFS Protocol Information Unit related definitions
*/
@@ -129,9 +140,15 @@
/* Flag idn for Query Requests*/
enum flag_idn {
- QUERY_FLAG_IDN_FDEVICEINIT = 0x01,
- QUERY_FLAG_IDN_PWR_ON_WPE = 0x03,
- QUERY_FLAG_IDN_BKOPS_EN = 0x04,
+ 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_RESERVED1 = 0x05,
+ QUERY_FLAG_IDN_PURGE_ENABLE = 0x06,
+ QUERY_FLAG_IDN_RESERVED2 = 0x07,
+ QUERY_FLAG_IDN_FPHYRESOURCEREMOVAL = 0x08,
+ QUERY_FLAG_IDN_BUSY_RTC = 0x09,
};
/* Attribute idn for Query requests */
@@ -181,13 +198,13 @@
QUERY_DESC_DEVICE_MAX_SIZE = 0x40,
QUERY_DESC_CONFIGURAION_MAX_SIZE = 0x90,
QUERY_DESC_UNIT_MAX_SIZE = 0x23,
+ QUERY_DESC_GEOMETRY_MAX_SIZE = 0x44,
QUERY_DESC_INTERCONNECT_MAX_SIZE = 0x06,
/*
* Max. 126 UNICODE characters (2 bytes per character) plus 2 bytes
* of descriptor header.
*/
QUERY_DESC_STRING_MAX_SIZE = 0xFE,
- QUERY_DESC_GEOMETRY_MAZ_SIZE = 0x44,
QUERY_DESC_POWER_MAX_SIZE = 0x62,
QUERY_DESC_HEALTH_MAX_SIZE = 0x37,
QUERY_DESC_RFU_MAX_SIZE = 0x00,
@@ -211,6 +228,11 @@
UNIT_DESC_PARAM_PHY_MEM_RSRC_CNT = 0x18,
UNIT_DESC_PARAM_CTX_CAPABILITIES = 0x20,
UNIT_DESC_PARAM_LARGE_UNIT_SIZE_M1 = 0x22,
+#if defined(CONFIG_UFSHPB)
+ UNIT_DESC_HPB_LU_MAX_ACTIVE_REGIONS = 0x23,
+ UNIT_DESC_HPB_LU_PIN_REGION_START_OFFSET = 0x25,
+ UNIT_DESC_HPB_LU_NUM_PIN_REGIONS = 0x27,
+#endif
};
/*
@@ -322,6 +344,20 @@
DEVICE_DESC_PARAM_UD_LEN = 0x1B,
DEVICE_DESC_PARAM_RTT_CAP = 0x1C,
DEVICE_DESC_PARAM_FRQ_RTC = 0x1D,
+ DEVICE_DESC_PARAM_FEAT_SUP = 0x1F,
+#if defined(CONFIG_UFSHPB)
+ DEVICE_DESC_PARAM_HPB_VER = 0x40,
+#endif
+};
+
+enum geometry_desc_param {
+ GEOMETRY_DESC_SEGMENT_SIZE = 0x0D,
+#if defined(CONFIG_UFSHPB)
+ GEOMETRY_DESC_HPB_REGION_SIZE = 0x48,
+ GEOMETRY_DESC_HPB_NUMBER_LU = 0x49,
+ GEOMETRY_DESC_HPB_SUBREGION_SIZE = 0x4A,
+ GEOMETRY_DESC_HPB_DEVICE_MAX_ACTIVE_REGIONS = 0x4B,
+#endif
};
enum health_device_desc_param {
diff -urN iu_board_exynos_legacy/iu_board_exynos/drivers/scsi/ufs/ufshcd.c iu_board_exynos_DDv1.3.5/iu_board_exynos/drivers/scsi/ufs/ufshcd.c
--- iu_board_exynos_legacy/iu_board_exynos/drivers/scsi/ufs/ufshcd.c 2018-06-27 16:36:27.213891989 +0900
+++ iu_board_exynos_DDv1.3.5/iu_board_exynos/drivers/scsi/ufs/ufshcd.c 2018-06-27 16:55:41.805891896 +0900
@@ -4,6 +4,7 @@
* This code is based on drivers/scsi/ufs/ufshcd.c
* Copyright (C) 2011-2013 Samsung India Software Operations
* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2018 Samsung Electronics Co., Ltd.
*
* Authors:
* Santosh Yaraganavi <[email protected]>
@@ -51,6 +52,7 @@
#include "unipro.h"
#include "ufs-exynos.h"
#include "ufs_quirks.h"
+#include <scsi/ufs/ioctl.h>
#if defined(CONFIG_UFS_FMP_ECRYPT_FS)
#include <fmp_derive_iv.h>
@@ -113,7 +115,7 @@
QUERY_DESC_INTERCONNECT_MAX_SIZE,
QUERY_DESC_STRING_MAX_SIZE,
QUERY_DESC_RFU_MAX_SIZE,
- QUERY_DESC_GEOMETRY_MAZ_SIZE,
+ QUERY_DESC_GEOMETRY_MAX_SIZE,
QUERY_DESC_POWER_MAX_SIZE,
QUERY_DESC_HEALTH_MAX_SIZE,
QUERY_DESC_RFU_MAX_SIZE,
@@ -126,13 +128,6 @@
UFSHCD_CAN_QUEUE = 32,
};
-/* UFSHCD states */
-enum {
- UFSHCD_STATE_RESET,
- UFSHCD_STATE_ERROR,
- UFSHCD_STATE_OPERATIONAL,
-};
-
/* UFSHCD error handling flags */
enum {
UFSHCD_EH_IN_PROGRESS = (1 << 0),
@@ -1513,9 +1508,19 @@
switch (lrbp->command_type) {
case UTP_CMD_TYPE_SCSI:
if (likely(lrbp->cmd)) {
+#if defined(CONFIG_UFSHPB)
+ if (hba->ufshpb_state == HPB_PRESENT
+ && hba->issue_ioctl == true)
+ lrbp->lun = 0x7F;
+#endif
ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags,
lrbp->cmd->sc_data_direction);
ufshcd_prepare_utp_scsi_cmd_upiu(lrbp, upiu_flags);
+#if defined(CONFIG_UFSHPB)
+ if (hba->ufshpb_state == HPB_PRESENT
+ && hba->issue_ioctl == false)
+ ufshpb_prep_fn(hba, lrbp);
+#endif
} else {
ret = -EINVAL;
}
@@ -2041,13 +2046,19 @@
return err;
}
+#if defined(CONFIG_UFSHPB)
+int ufshcd_query_descriptor(struct ufs_hba *hba,
+ enum query_opcode opcode, u8 idn, u8 index,
+ u8 selector, u8 *desc_buf, int *buf_len)
+#else
static int ufshcd_query_descriptor(struct ufs_hba *hba,
enum query_opcode opcode, u8 idn, u8 index,
u8 selector, u8 *desc_buf, int *buf_len)
+#endif
{
struct ufs_query_req *request;
struct ufs_query_res *response;
- int err;
+ int err = 0;
BUG_ON(!hba);
@@ -3382,7 +3393,6 @@
/* REPORT SUPPORTED OPERATION CODES is not supported */
sdev->no_report_opcodes = 1;
-
ufshcd_set_queue_depth(sdev);
ufshcd_get_lu_power_on_wp_status(hba, sdev);
@@ -3430,10 +3440,23 @@
static int ufshcd_slave_configure(struct scsi_device *sdev)
{
struct request_queue *q = sdev->request_queue;
+#if defined(CONFIG_UFSHPB)
+ struct ufs_hba *hba;
+#endif
blk_queue_update_dma_pad(q, PRDT_DATA_BYTE_COUNT_PAD - 1);
blk_queue_max_segment_size(q, PRDT_DATA_BYTE_COUNT_MAX);
blk_queue_update_dma_alignment(q, PAGE_SIZE - 1);
+#if defined(CONFIG_UFSHPB)
+ hba = shost_priv(sdev->host);
+
+ if (sdev->lun < UFS_UPIU_MAX_GENERAL_LUN) {
+ hba->sdev_ufs_lu[sdev->lun] = sdev;
+
+ printk("%s:%d: ufshpb set lun %d sdev %p q %p n",
+ __func__, __LINE__, sdev->lun, sdev, sdev->request_queue);
+ }
+#endif
return 0;
}
@@ -3569,6 +3592,11 @@
if (ufshcd_is_exception_event(lrbp->ucd_rsp_ptr) &&
scsi_host_in_recovery(hba->host))
schedule_work(&hba->eeh_work);
+#if defined(CONFIG_UFSHPB)
+ if (hba->ufshpb_state == HPB_PRESENT &&
+ scsi_status == SAM_STAT_GOOD)
+ ufshpb_rsp_upiu(hba, lrbp);
+#endif
break;
case UPIU_TRANSACTION_REJECT_UPIU:
/* TODO: handle Reject UPIU Response */
@@ -4319,10 +4347,17 @@
}
}
spin_lock_irqsave(host->host_lock, flags);
+#if defined(CONFIG_UFSHPB)
+ hba->ufshpb_state = HPB_RESET;
+#endif
__ufshcd_transfer_req_compl(hba, DID_RESET);
spin_unlock_irqrestore(host->host_lock, flags);
out:
if (!err) {
+#if defined(CONFIG_UFSHPB)
+ schedule_delayed_work(&hba->ufshpb_init_work,
+ msecs_to_jiffies(10));
+#endif
err = SUCCESS;
} else {
dev_err(hba->dev, "%s: failed with err %d\n", __func__, err);
@@ -4465,6 +4500,9 @@
hba->ufshcd_state = UFSHCD_STATE_RESET;
ufshcd_set_eh_in_progress(hba);
ufshcd_hba_stop(hba);
+#if defined(CONFIG_UFSHPB)
+ hba->ufshpb_state = HPB_RESET;
+#endif
spin_unlock_irqrestore(hba->host->host_lock, flags);
/* Establish the link again and restore the device */
@@ -4795,7 +4833,6 @@
int re_cnt = 0;
int ret;
unsigned long flags;
-
retry:
ret = ufshcd_hba_enable(hba);
if (ret)
@@ -4894,6 +4931,11 @@
ufshcd_hba_exit(hba);
}
+#if defined(CONFIG_UFSHPB)
+ INIT_DELAYED_WORK(&hba->ufshpb_init_work, ufshpb_init_handler);
+ schedule_delayed_work(&hba->ufshpb_init_work, msecs_to_jiffies(0));
+#endif
+
return ret;
}
@@ -4909,6 +4951,395 @@
ufshcd_probe_hba(hba);
}
+#if defined(CONFIG_UFSHPB)
+static void print_buf(unsigned char *buf)
+{
+ int i, max;
+
+ max = buf[0];
+
+ for (i = 0 ; i < max ; i++) {
+ if (i % 16 == 0)
+ printk("(0x%.2x) :", i);
+ printk(" %.2x", buf[i]);
+
+ if ((i + 1) % 16 == 0)
+ printk("\n");
+ }
+
+ printk("\n");
+}
+
+static int ufshcd_query_desc_for_ufshpb(struct ufs_hba *hba, int lun,
+ struct ufs_ioctl_query_data *ioctl_data, void __user *buffer)
+{
+ unsigned char *kernel_buf;
+ int opcode, selector;
+ int err = 0;
+ int index = 0;
+ int length = 0;
+
+ opcode = ioctl_data->opcode & 0xffff;
+ selector = 1;
+
+ if (ioctl_data->idn == QUERY_DESC_IDN_STRING) {
+ kernel_buf = kzalloc(IOCTL_DEV_CTX_MAX_SIZE, GFP_KERNEL);
+ } else {
+ kernel_buf = kzalloc(QUERY_DESC_MAX_SIZE, GFP_KERNEL);
+ }
+
+ if (!kernel_buf) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ switch (opcode) {
+ case UPIU_QUERY_OPCODE_WRITE_DESC:
+ err = copy_from_user(kernel_buf, buffer +
+ sizeof(struct ufs_ioctl_query_data),
+ ioctl_data->buf_size);
+ printk("%s:%d bufsize %d\n", __func__, __LINE__,
+ ioctl_data->buf_size);
+ print_buf(kernel_buf);
+ if (err)
+ goto out_release_mem;
+ break;
+
+ case UPIU_QUERY_OPCODE_READ_DESC:
+ switch (ioctl_data->idn) {
+ case QUERY_DESC_IDN_UNIT:
+ if (!ufs_is_valid_unit_desc_lun(lun)) {
+ dev_err(hba->dev,
+ "%s: No unit descriptor for lun 0x%x\n",
+ __func__, lun);
+ err = -EINVAL;
+ goto out_release_mem;
+ }
+ index = lun;
+ printk("%s:%d read lu desc lun: %d\n",
+ __func__, __LINE__, index);
+ break;
+
+ case QUERY_DESC_IDN_STRING:
+ if (!ufs_is_valid_unit_desc_lun(lun)) {
+ dev_err(hba->dev,
+ "%s: No unit descriptor for lun 0x%x\n",
+ __func__, lun);
+ err = -EINVAL;
+ goto out_release_mem;
+ }
+ err = ufshpb_issue_req_dev_ctx(hba->ufshpb_lup[lun], kernel_buf, ioctl_data->buf_size);
+ if (err < 0)
+ goto out_release_mem;
+
+ goto copy_buffer;
+
+ case QUERY_DESC_IDN_DEVICE:
+ case QUERY_DESC_IDN_GEOMETRY:
+ case QUERY_DESC_IDN_CONFIGURAION:
+ break;
+
+ default:
+ printk("%s:%d invalid idn %d\n", __func__, __LINE__,
+ ioctl_data->idn);
+ err = -EINVAL;
+ goto out_release_mem;
+ }
+ break;
+ default:
+ err = -EINVAL;
+ printk("%s:%d invalid opcode %d\n", __func__, __LINE__,
+ opcode);
+ goto out_release_mem;
+ }
+
+ length = ioctl_data->buf_size;
+
+ err = ufshcd_query_descriptor(hba, opcode, ioctl_data->idn, index,
+ selector, kernel_buf, &length);
+ if (err)
+ goto out_release_mem;
+ printk("%s:%d (len 0x%x) %.2x %.2x %.2x %.2x : %.2x %.2x %.2x %.2x\n",
+ __func__, __LINE__, length,
+ kernel_buf[0], kernel_buf[1], kernel_buf[2], kernel_buf[3],
+ kernel_buf[4], kernel_buf[5], kernel_buf[6], kernel_buf[7]);
+
+copy_buffer:
+ if (opcode == UPIU_QUERY_OPCODE_READ_DESC) {
+ err = copy_to_user(buffer, ioctl_data,
+ sizeof(struct ufs_ioctl_query_data));
+ if (err)
+ printk("%s:%d Failed copying back to user.\n",
+ __func__, __LINE__);
+ err = copy_to_user(buffer + sizeof(struct ufs_ioctl_query_data),
+ kernel_buf, ioctl_data->buf_size);
+ if (err)
+ printk("%s:%d Failed copying back to user : rsp_buffer.\n",
+ __func__, __LINE__);
+ }
+
+out_release_mem:
+ kfree(kernel_buf);
+out:
+ return err;
+}
+#endif
+
+/**
+ * ufshcd_query_ioctl - perform user read queries
+ * @hba: per-adapter instance
+ * @lun: used for lun specific queries
+ * @buffer: user space buffer for reading and submitting query data and params
+ * @return: 0 for success negative error code otherwise
+ *
+ * Expected/Submitted buffer structure is struct ufs_ioctl_query_data.
+ * It will read the opcode, idn and buf_length parameters, and, put the
+ * response in the buffer field while updating the used size in buf_length.
+ */
+static int ufshcd_query_ioctl(struct ufs_hba *hba, u8 lun, void __user *buffer)
+{
+ struct ufs_ioctl_query_data *ioctl_data;
+ int err = 0;
+ int length = 0;
+ void *data_ptr;
+ bool flag;
+ u32 att;
+ u8 index;
+ u8 *desc = NULL;
+
+ ioctl_data = kzalloc(sizeof(struct ufs_ioctl_query_data), GFP_KERNEL);
+ if (!ioctl_data) {
+ dev_err(hba->dev, "%s: Failed allocating %zu bytes\n", __func__,
+ sizeof(struct ufs_ioctl_query_data));
+ err = -ENOMEM;
+ goto out;
+ }
+
+ /* extract params from user buffer */
+ err = copy_from_user(ioctl_data, buffer,
+ sizeof(struct ufs_ioctl_query_data));
+ if (err) {
+ dev_err(hba->dev,
+ "%s: Failed copying buffer from user, err %d\n",
+ __func__, err);
+ goto out_release_mem;
+ }
+
+#if defined(CONFIG_UFSHPB)
+ printk("UFS-IOCTL: op %u idn %u size %u \n",
+ ioctl_data->opcode, ioctl_data->idn, ioctl_data->buf_size);
+ printk("%s:%d ufshpb code 0x%x opcode 0x%x\n",
+ __func__, __LINE__, ((ioctl_data->opcode & 0xffff0000) >> 16),
+ ioctl_data->opcode & 0xffff);
+
+ if ((ioctl_data->opcode & 0xffff0000) >> 16 == HPB_QUERY_OPCODE) {
+ err = ufshcd_query_desc_for_ufshpb(hba, lun, ioctl_data, buffer);
+ kfree(ioctl_data);
+ goto out;
+ }
+#endif
+
+ /* verify legal parameters & send query */
+ switch (ioctl_data->opcode) {
+ case UPIU_QUERY_OPCODE_READ_DESC:
+ switch (ioctl_data->idn) {
+ case QUERY_DESC_IDN_DEVICE:
+ case QUERY_DESC_IDN_CONFIGURAION:
+ case QUERY_DESC_IDN_INTERCONNECT:
+ case QUERY_DESC_IDN_GEOMETRY:
+ case QUERY_DESC_IDN_POWER:
+ case QUERY_DESC_IDN_HEALTH:
+ index = 0;
+ break;
+ case QUERY_DESC_IDN_UNIT:
+ if (!ufs_is_valid_unit_desc_lun(lun)) {
+ dev_err(hba->dev,
+ "%s: No unit descriptor for lun 0x%x\n",
+ __func__, lun);
+ err = -EINVAL;
+ goto out_release_mem;
+ }
+ index = lun;
+ printk("UFSTEST %s:%d index %d lun %d \n",
+ __func__, __LINE__, index, lun);
+ break;
+ default:
+ goto out_einval;
+ }
+ length = min_t(int, QUERY_DESC_MAX_SIZE,
+ ioctl_data->buf_size);
+ desc = kzalloc(length, GFP_KERNEL);
+ if (!desc) {
+ dev_err(hba->dev, "%s: Failed allocating %d bytes\n",
+ __func__, length);
+ err = -ENOMEM;
+ goto out_release_mem;
+ }
+ err = ufshcd_query_descriptor(hba, ioctl_data->opcode,
+ ioctl_data->idn, index, 0, desc, &length);
+ break;
+ case UPIU_QUERY_OPCODE_READ_ATTR:
+ switch (ioctl_data->idn) {
+ case QUERY_ATTR_IDN_BOOT_LU_EN:
+ case QUERY_ATTR_IDN_POWER_MODE:
+ case QUERY_ATTR_IDN_ACTIVE_ICC_LVL:
+ case QUERY_ATTR_IDN_OOO_DATA_EN:
+ case QUERY_ATTR_IDN_BKOPS_STATUS:
+ case QUERY_ATTR_IDN_PURGE_STATUS:
+ case QUERY_ATTR_IDN_MAX_DATA_IN:
+ case QUERY_ATTR_IDN_MAX_DATA_OUT:
+ case QUERY_ATTR_IDN_REF_CLK_FREQ:
+ case QUERY_ATTR_IDN_CONF_DESC_LOCK:
+ case QUERY_ATTR_IDN_MAX_NUM_OF_RTT:
+ case QUERY_ATTR_IDN_EE_CONTROL:
+ case QUERY_ATTR_IDN_EE_STATUS:
+ case QUERY_ATTR_IDN_SECONDS_PASSED:
+ index = 0;
+ break;
+ case QUERY_ATTR_IDN_DYN_CAP_NEEDED:
+ case QUERY_ATTR_IDN_CORR_PRG_BLK_NUM:
+ index = lun;
+ break;
+ default:
+ goto out_einval;
+ }
+ err = ufshcd_query_attr(hba, ioctl_data->opcode,
+ ioctl_data->idn, index, 0, &att);
+ printk("%s:%d query_attr opcode %d idn %d index %d att %u\n",
+ __func__, __LINE__, ioctl_data->opcode,
+ ioctl_data->idn, index, att);
+ break;
+ case UPIU_QUERY_OPCODE_READ_FLAG:
+ switch (ioctl_data->idn) {
+ case QUERY_FLAG_IDN_FDEVICEINIT:
+ case QUERY_FLAG_IDN_PERMANENT_WPE:
+ case QUERY_FLAG_IDN_PWR_ON_WPE:
+ case QUERY_FLAG_IDN_BKOPS_EN:
+ case QUERY_FLAG_IDN_PURGE_ENABLE:
+ case QUERY_FLAG_IDN_FPHYRESOURCEREMOVAL:
+ case QUERY_FLAG_IDN_BUSY_RTC:
+ break;
+ default:
+ goto out_einval;
+ }
+ err = ufshcd_query_flag(hba, ioctl_data->opcode,
+ ioctl_data->idn, &flag);
+ break;
+ default:
+ goto out_einval;
+ }
+
+ if (err) {
+ dev_err(hba->dev, "%s: Query for idn %d failed\n", __func__,
+ ioctl_data->idn);
+ goto out_release_mem;
+ }
+
+ /*
+ * copy response data
+ * As we might end up reading less data then what is specified in
+ * "ioct_data->buf_size". So we are updating "ioct_data->
+ * buf_size" to what exactly we have read.
+ */
+ switch (ioctl_data->opcode) {
+ case UPIU_QUERY_OPCODE_READ_DESC:
+ ioctl_data->buf_size = min_t(int, ioctl_data->buf_size, length);
+ data_ptr = desc;
+ break;
+ case UPIU_QUERY_OPCODE_READ_ATTR:
+ ioctl_data->buf_size = sizeof(u32);
+ data_ptr = &att;
+ break;
+ case UPIU_QUERY_OPCODE_READ_FLAG:
+ ioctl_data->buf_size = 1;
+ data_ptr = &flag;
+ break;
+ default:
+ BUG_ON(true);
+ }
+
+ /* copy to user */
+ err = copy_to_user(buffer, ioctl_data,
+ sizeof(struct ufs_ioctl_query_data));
+ if (err)
+ dev_err(hba->dev, "%s: Failed copying back to user.\n",
+ __func__);
+ err = copy_to_user(buffer + sizeof(struct ufs_ioctl_query_data),
+ data_ptr, ioctl_data->buf_size);
+ if (err)
+ dev_err(hba->dev, "%s: err %d copying back to user.\n",
+ __func__, err);
+ goto out_release_mem;
+
+out_einval:
+ dev_err(hba->dev,
+ "%s: illegal ufs query ioctl data, opcode 0x%x, idn 0x%x\n",
+ __func__, ioctl_data->opcode, (unsigned int)ioctl_data->idn);
+ err = -EINVAL;
+out_release_mem:
+ kfree(ioctl_data);
+ kfree(desc);
+out:
+ return err;
+}
+
+/**
+ * ufshcd_ioctl - ufs ioctl callback registered in scsi_host
+ * @dev: scsi device required for per LUN queries
+ * @cmd: command opcode
+ * @buffer: user space buffer for transferring data
+ *
+ * Supported commands:
+ * UFS_IOCTL_QUERY
+ */
+static int ufshcd_ioctl(struct scsi_device *dev, int cmd, void __user *buffer)
+{
+ struct ufs_hba *hba = shost_priv(dev->host);
+ int err = 0;
+
+ printk("[%s%d] cmd:0x%x \n", __func__, __LINE__, cmd);
+
+ BUG_ON(!hba);
+ if (!buffer) {
+ if (cmd != SCSI_UFS_REQUEST_SENSE) {
+ dev_err(hba->dev, "%s: User buffer is NULL!\n", __func__);
+ return -EINVAL;
+ }
+ }
+ switch (cmd) {
+#if 0
+ case SCSI_UFS_REQUEST_SENSE:
+ err = ufshcd_send_request_sense(hba, hba->sdev_rpmb);
+ if (err) {
+ dev_warn(hba->dev, "%s failed to clear uac on rpmb(w-lu) %d\n",
+ __func__, err);
+ }
+ hba->host->wlun_clr_uac = false;
+ break;
+#endif
+ case UFS_IOCTL_QUERY:
+ //pm_runtime_get_sync(hba->dev);
+ printk("UFSTEST %s:%d sdev %p lun %d\n", __func__, __LINE__,
+ dev, dev->lun);
+ err = ufshcd_query_ioctl(hba,
+ ufshcd_scsi_to_upiu_lun(dev->lun), buffer);
+ //pm_runtime_put_sync(hba->dev);
+ break;
+#if 0
+ case UFS_IOCTL_BLKROSET:
+ err = -ENOIOCTLCMD;
+ break;
+#endif
+ default:
+ err = -EINVAL;
+// dev_err(hba->dev, "%s: Illegal ufs-IOCTL cmd %d\n", __func__,
+// cmd);
+ break;
+ }
+
+ return err;
+}
+
static struct scsi_host_template ufshcd_driver_template = {
.module = THIS_MODULE,
.name = UFSHCD,
@@ -4919,9 +5350,15 @@
.slave_destroy = ufshcd_slave_destroy,
.change_queue_depth = ufshcd_change_queue_depth,
//.eh_abort_handler = ufshcd_abort,
- //.eh_device_reset_handler = ufshcd_eh_device_reset_handler,
- //.eh_host_reset_handler = ufshcd_eh_host_reset_handler,
- //.eh_timed_out = ufshcd_eh_timed_out,
+// .eh_device_reset_handler = ufshcd_eh_device_reset_handler,
+// .eh_host_reset_handler = ufshcd_eh_host_reset_handler,
+// .eh_timed_out = ufshcd_eh_timed_out,
+ .ioctl = ufshcd_ioctl,
+#if defined(CONFIG_UFSHPB)
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = ufshcd_ioctl,
+#endif
+#endif
.this_id = -1,
.sg_tablesize = SG_ALL,
.cmd_per_lun = UFSHCD_CMD_PER_LUN,
@@ -5987,6 +6424,9 @@
*/
void ufshcd_remove(struct ufs_hba *hba)
{
+#if defined(CONFIG_UFSHPB)
+ ufshpb_release(hba, HPB_NEED_INIT);
+#endif
scsi_remove_host(hba->host);
/* disable interrupts */
ufshcd_disable_intr(hba, hba->intr_mask);
@@ -6283,6 +6723,9 @@
*/
ufshcd_set_ufs_dev_poweroff(hba);
+#if defined(CONFIG_UFSHPB)
+ hba->ufshpb_state = HPB_NEED_INIT;
+#endif
async_schedule(ufshcd_async_scan, hba);
return 0;
diff -urN iu_board_exynos_legacy/iu_board_exynos/drivers/scsi/ufs/ufshcd.h iu_board_exynos_DDv1.3.5/iu_board_exynos/drivers/scsi/ufs/ufshcd.h
--- iu_board_exynos_legacy/iu_board_exynos/drivers/scsi/ufs/ufshcd.h 2018-06-27 16:36:27.213891989 +0900
+++ iu_board_exynos_DDv1.3.5/iu_board_exynos/drivers/scsi/ufs/ufshcd.h 2018-06-27 16:55:41.805891896 +0900
@@ -3,6 +3,7 @@
*
* This code is based on drivers/scsi/ufs/ufshcd.h
* Copyright (C) 2011-2013 Samsung India Software Operations
+ * Copyright (c) 2017-2018 Samsung Electronics Co., Ltd.
*
* Authors:
* Santosh Yaraganavi <[email protected]>
@@ -63,8 +64,13 @@
#include <scsi/scsi_dbg.h>
#include <scsi/scsi_eh.h>
+#include <scsi/scsi_ioctl.h>
+
#include "ufs.h"
#include "ufshci.h"
+#if defined(CONFIG_UFSHPB)
+#include "ufshpb.h"
+#endif
#define UFSHCD "ufshcd"
#define UFSHCD_DRIVER_VERSION "0.2"
@@ -78,6 +84,13 @@
DEV_CMD_TYPE_QUERY = 0x1,
};
+/* UFSHCD states */
+enum {
+ UFSHCD_STATE_RESET,
+ UFSHCD_STATE_ERROR,
+ UFSHCD_STATE_OPERATIONAL,
+};
+
/**
* struct uic_command - UIC command structure
* @command: UIC command
@@ -508,6 +521,15 @@
uint32_t self_test_mode;
struct ufshcd_sg_entry *ucd_prdt_ptr_st;
+#if defined(CONFIG_UFSHPB)
+ struct ufshpb_lu *ufshpb_lup[UFS_UPIU_MAX_GENERAL_LUN];
+ struct delayed_work ufshpb_init_work;
+ struct work_struct ufshpb_eh_work;
+ int ufshpb_state;
+ struct scsi_device *sdev_ufs_lu[UFS_UPIU_MAX_GENERAL_LUN];
+ bool issue_ioctl;
+#endif
+
/* UFSHCI doesn't support DWORD size in UTRD */
#define UFSHCI_QUIRK_BROKEN_DWORD_UTRD BIT(0)
#define UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR BIT(1)
@@ -652,6 +674,10 @@
int ufshcd_read_device_desc(struct ufs_hba *hba, u8 *buf, u32 size);
int ufshcd_read_health_desc(struct ufs_hba *hba, u8 *buf, u32 size);
+#if defined(CONFIG_UFSHPB)
+int ufshcd_query_descriptor(struct ufs_hba *hba, enum query_opcode opcode,
+ u8 idn, u8 index, u8 selector, u8 *desc_buf, int *buf_len);
+#endif
#define ASCII_STD true
#define UTF16_STD false
diff -urN iu_board_exynos_legacy/iu_board_exynos/drivers/scsi/ufs/ufshpb.c iu_board_exynos_DDv1.3.5/iu_board_exynos/drivers/scsi/ufs/ufshpb.c
--- iu_board_exynos_legacy/iu_board_exynos/drivers/scsi/ufs/ufshpb.c 1970-01-01 09:00:00.000000000 +0900
+++ iu_board_exynos_DDv1.3.5/iu_board_exynos/drivers/scsi/ufs/ufshpb.c 2018-06-27 16:55:41.805891896 +0900
@@ -0,0 +1,2986 @@
+/*
+ * Universal Flash Storage Host Performance Booster
+ *
+ * Copyright (C) 2017-2018 Samsung Electronics Co., Ltd.
+ *
+ * Authors:
+ * Yongmyung Lee <[email protected]>
+ * Jinyoung Choi <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * See the COPYING file in the top-level directory or visit
+ * <http://www.gnu.org/licenses/gpl-2.0.html>
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * This program is provided "AS IS" and "WITH ALL FAULTS" and
+ * without warranty of any kind. You are solely responsible for
+ * determining the appropriateness of using and distributing
+ * the program and assume all risks associated with your exercise
+ * of rights with respect to the program, including but not limited
+ * to infringement of third party rights, the risks and costs of
+ * program errors, damage to or loss of data, programs or equipment,
+ * and unavailability or interruption of operations. Under no
+ * circumstances will the contributor of this Program be liable for
+ * any damages of any kind arising from your use or distribution of
+ * this program.
+ *
+ * The Linux Foundation chooses to take subject only to the GPLv2
+ * license terms, and distributes only under these terms.
+ */
+
+#include <linux/slab.h>
+#include <linux/blkdev.h>
+#include <scsi/scsi.h>
+#include <linux/sysfs.h>
+#include <linux/blktrace_api.h>
+
+#include "../../../block/blk.h"
+
+#include "ufs.h"
+#include "ufshcd.h"
+#include "ufshpb.h"
+
+/*
+ * UFSHPB DEBUG
+ * */
+#define INFO_MSG(msg, args...) printk(KERN_INFO "%s:%d " msg "\n", \
+ __func__, __LINE__, ##args)
+#define INIT_INFO(msg, args...) INFO_MSG(msg, ##args)
+#define RELEASE_INFO(msg, args...) INFO_MSG(msg, ##args)
+#define SYSFS_INFO(msg, args...) INFO_MSG(msg, ##args)
+#define ERR_MSG(msg, args...) printk(KERN_ERR "%s:%d " msg "\n", \
+ __func__, __LINE__, ##args)
+#define WARNING_MSG(msg, args...) printk(KERN_WARNING "%s:%d " msg "\n", \
+ __func__, __LINE__, ##args)
+
+#define HPB_DEBUG(hpb, msg, args...) \
+ do { if (hpb->debug) \
+ printk(KERN_ERR "%s:%d " msg "\n", \
+ __func__, __LINE__, ##args); \
+ } while (0)
+
+#define TMSG(hpb, args...) \
+ do { if (hpb->hba->sdev_ufs_lu[hpb->lun] && \
+ hpb->hba->sdev_ufs_lu[hpb->lun]->request_queue) \
+ blk_add_trace_msg( \
+ hpb->hba->sdev_ufs_lu[hpb->lun]->request_queue, \
+ ##args); \
+ } while (0)
+
+/*
+ * debug variables
+ */
+int alloc_mctx;
+
+/*
+ * define global constants
+ */
+static int sects_per_blk_shift;
+static int bits_per_dword_shift;
+static int bits_per_dword_mask;
+static int bits_per_byte_shift;
+
+static int ufshpb_create_sysfs(struct ufs_hba *hba,
+ struct ufshpb_lu *hpb);
+static void ufshpb_error_handler(struct work_struct *work);
+static void ufshpb_evict_region(struct ufshpb_lu *hpb,
+ struct ufshpb_region *cb);
+
+static inline void
+ufshpb_get_bit_offset(struct ufshpb_lu *hpb, int subregion_offset,
+ int *dword, int *offset)
+{
+ *dword = subregion_offset >> bits_per_dword_shift;
+ *offset = subregion_offset & bits_per_dword_mask;
+}
+
+/* called with hpb_lock (irq) */
+static bool
+ufshpb_ppn_dirty_check(struct ufshpb_lu *hpb, struct ufshpb_subregion *cp,
+ int subregion_offset)
+{
+ bool is_dirty;
+ unsigned int bit_dword, bit_offset;
+
+ ufshpb_get_bit_offset(hpb, subregion_offset,
+ &bit_dword, &bit_offset);
+
+ if (!cp->mctx->ppn_dirty)
+ return false;
+
+ is_dirty = cp->mctx->ppn_dirty[bit_dword] &
+ (1 << bit_offset) ? true : false;
+
+ return is_dirty;
+}
+
+static void ufshpb_ppn_prep(struct ufshpb_lu *hpb, struct ufshcd_lrb *lrbp,
+ unsigned long long ppn)
+{
+ unsigned char cmd[16] = { 0 };
+
+ /*
+ * [14] = Grounp Number, [15] = Transfer length
+ */
+ cmd[0] = READ_16;
+ cmd[2] = lrbp->cmd->cmnd[2];
+ cmd[3] = lrbp->cmd->cmnd[3];
+ cmd[4] = lrbp->cmd->cmnd[4];
+ cmd[5] = lrbp->cmd->cmnd[5];
+ cmd[6] = GET_BYTE_7(ppn);
+ cmd[7] = GET_BYTE_6(ppn);
+ cmd[8] = GET_BYTE_5(ppn);
+ cmd[9] = GET_BYTE_4(ppn);
+ cmd[10] = GET_BYTE_3(ppn);
+ cmd[11] = GET_BYTE_2(ppn);
+ cmd[12] = GET_BYTE_1(ppn);
+ cmd[13] = GET_BYTE_0(ppn);
+ cmd[14] = 0x11;
+ cmd[15] = 0x01;
+
+ memcpy(lrbp->cmd->cmnd, cmd, MAX_CDB_SIZE);
+ memcpy(lrbp->ucd_req_ptr->sc.cdb, cmd, MAX_CDB_SIZE);
+}
+
+/* called with hpb_lock (irq) */
+static inline void
+ufshpb_set_dirty_bits(struct ufshpb_lu *hpb, struct ufshpb_region *cb,
+ struct ufshpb_subregion *cp, int dword, int offset,
+ unsigned int count)
+{
+ const unsigned long mask = ((1UL << count) - 1) & 0xffffffff;
+
+ if (cb->region_state == HPBREGION_INACTIVE)
+ return;
+
+ BUG_ON(!cp->mctx);
+ cp->mctx->ppn_dirty[dword] |= (mask << offset);
+}
+
+static void
+ufshpb_set_dirty(struct ufshpb_lu *hpb, struct ufshcd_lrb *lrbp, int region,
+ int subregion, int subregion_offset)
+{
+ struct ufshpb_region *cb;
+ struct ufshpb_subregion *cp;
+ int count;
+ int bit_count, bit_dword, bit_offset;
+
+ count = blk_rq_sectors(lrbp->cmd->request) >> sects_per_blk_shift;
+ ufshpb_get_bit_offset(hpb, subregion_offset,
+ &bit_dword, &bit_offset);
+
+ do {
+ bit_count = min(count, BITS_PER_DWORD - bit_offset);
+
+ cb = hpb->region_tbl + region;
+ cp = cb->subregion_tbl + subregion;
+
+ ufshpb_set_dirty_bits(hpb, cb, cp,
+ bit_dword, bit_offset, bit_count);
+
+ bit_offset = 0;
+ bit_dword++;
+