*/
#include <linux/bsg-lib.h>
+#include <linux/dma-mapping.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#include "ufs_bsg.h"
return 0;
}
-static int ufs_bsg_verify_query_size(struct ufs_hba *hba,
- unsigned int request_len,
- unsigned int reply_len)
-{
- int min_req_len = sizeof(struct ufs_bsg_request);
- int min_rsp_len = sizeof(struct ufs_bsg_reply);
-
- if (min_req_len > request_len || min_rsp_len > reply_len) {
- dev_err(hba->dev, "not enough space assigned\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
static int ufs_bsg_alloc_desc_buffer(struct ufs_hba *hba, struct bsg_job *job,
uint8_t **desc_buff, int *desc_len,
enum query_opcode desc_op)
return 0;
}
+static int ufs_bsg_exec_advanced_rpmb_req(struct ufs_hba *hba, struct bsg_job *job)
+{
+ struct ufs_rpmb_request *rpmb_request = job->request;
+ struct ufs_rpmb_reply *rpmb_reply = job->reply;
+ struct bsg_buffer *payload = NULL;
+ enum dma_data_direction dir;
+ struct scatterlist *sg_list;
+ int rpmb_req_type;
+ int sg_cnt;
+ int ret;
+ int data_len;
+
+ if (hba->ufs_version < ufshci_version(4, 0) || !hba->dev_info.b_advanced_rpmb_en ||
+ !(hba->capabilities & MASK_EHSLUTRD_SUPPORTED))
+ return -EINVAL;
+
+ if (rpmb_request->ehs_req.length != 2 || rpmb_request->ehs_req.ehs_type != 1)
+ return -EINVAL;
+
+ rpmb_req_type = be16_to_cpu(rpmb_request->ehs_req.meta.req_resp_type);
+
+ switch (rpmb_req_type) {
+ case UFS_RPMB_WRITE_KEY:
+ case UFS_RPMB_READ_CNT:
+ case UFS_RPMB_PURGE_ENABLE:
+ dir = DMA_NONE;
+ break;
+ case UFS_RPMB_WRITE:
+ case UFS_RPMB_SEC_CONF_WRITE:
+ dir = DMA_TO_DEVICE;
+ break;
+ case UFS_RPMB_READ:
+ case UFS_RPMB_SEC_CONF_READ:
+ case UFS_RPMB_PURGE_STATUS_READ:
+ dir = DMA_FROM_DEVICE;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (dir != DMA_NONE) {
+ payload = &job->request_payload;
+ if (!payload || !payload->payload_len || !payload->sg_cnt)
+ return -EINVAL;
+
+ sg_cnt = dma_map_sg(hba->host->dma_dev, payload->sg_list, payload->sg_cnt, dir);
+ if (unlikely(!sg_cnt))
+ return -ENOMEM;
+ sg_list = payload->sg_list;
+ data_len = payload->payload_len;
+ }
+
+ ret = ufshcd_advanced_rpmb_req_handler(hba, &rpmb_request->bsg_request.upiu_req,
+ &rpmb_reply->bsg_reply.upiu_rsp, &rpmb_request->ehs_req,
+ &rpmb_reply->ehs_rsp, sg_cnt, sg_list, dir);
+
+ if (dir != DMA_NONE) {
+ dma_unmap_sg(hba->host->dma_dev, payload->sg_list, payload->sg_cnt, dir);
+
+ if (!ret)
+ rpmb_reply->bsg_reply.reply_payload_rcv_len = data_len;
+ }
+
+ return ret;
+}
+
static int ufs_bsg_request(struct bsg_job *job)
{
struct ufs_bsg_request *bsg_request = job->request;
struct ufs_bsg_reply *bsg_reply = job->reply;
struct ufs_hba *hba = shost_priv(dev_to_shost(job->dev->parent));
- unsigned int req_len = job->request_len;
- unsigned int reply_len = job->reply_len;
struct uic_command uc = {};
int msgcode;
- uint8_t *desc_buff = NULL;
+ uint8_t *buff = NULL;
int desc_len = 0;
enum query_opcode desc_op = UPIU_QUERY_OPCODE_NOP;
int ret;
-
- ret = ufs_bsg_verify_query_size(hba, req_len, reply_len);
- if (ret)
- goto out;
+ bool rpmb = false;
bsg_reply->reply_payload_rcv_len = 0;
switch (msgcode) {
case UPIU_TRANSACTION_QUERY_REQ:
desc_op = bsg_request->upiu_req.qr.opcode;
- ret = ufs_bsg_alloc_desc_buffer(hba, job, &desc_buff,
- &desc_len, desc_op);
- if (ret) {
- ufshcd_rpm_put_sync(hba);
+ ret = ufs_bsg_alloc_desc_buffer(hba, job, &buff, &desc_len, desc_op);
+ if (ret)
goto out;
- }
-
fallthrough;
case UPIU_TRANSACTION_NOP_OUT:
case UPIU_TRANSACTION_TASK_REQ:
ret = ufshcd_exec_raw_upiu_cmd(hba, &bsg_request->upiu_req,
&bsg_reply->upiu_rsp, msgcode,
- desc_buff, &desc_len, desc_op);
+ buff, &desc_len, desc_op);
if (ret)
- dev_err(hba->dev,
- "exe raw upiu: error code %d\n", ret);
-
+ dev_err(hba->dev, "exe raw upiu: error code %d\n", ret);
+ else if (desc_op == UPIU_QUERY_OPCODE_READ_DESC && desc_len) {
+ bsg_reply->reply_payload_rcv_len =
+ sg_copy_from_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt,
+ buff, desc_len);
+ }
break;
case UPIU_TRANSACTION_UIC_CMD:
memcpy(&uc, &bsg_request->upiu_req.uc, UIC_CMD_SIZE);
ret = ufshcd_send_uic_cmd(hba, &uc);
if (ret)
- dev_err(hba->dev,
- "send uic cmd: error code %d\n", ret);
+ dev_err(hba->dev, "send uic cmd: error code %d\n", ret);
memcpy(&bsg_reply->upiu_rsp.uc, &uc, UIC_CMD_SIZE);
break;
+ case UPIU_TRANSACTION_ARPMB_CMD:
+ rpmb = true;
+ ret = ufs_bsg_exec_advanced_rpmb_req(hba, job);
+ if (ret)
+ dev_err(hba->dev, "ARPMB OP failed: error code %d\n", ret);
+ break;
default:
ret = -ENOTSUPP;
dev_err(hba->dev, "unsupported msgcode 0x%x\n", msgcode);
break;
}
- ufshcd_rpm_put_sync(hba);
-
- if (!desc_buff)
- goto out;
-
- if (desc_op == UPIU_QUERY_OPCODE_READ_DESC && desc_len)
- bsg_reply->reply_payload_rcv_len =
- sg_copy_from_buffer(job->request_payload.sg_list,
- job->request_payload.sg_cnt,
- desc_buff, desc_len);
-
- kfree(desc_buff);
-
out:
+ ufshcd_rpm_put_sync(hba);
+ kfree(buff);
bsg_reply->result = ret;
- job->reply_len = sizeof(struct ufs_bsg_reply);
+ job->reply_len = !rpmb ? sizeof(struct ufs_bsg_reply) : sizeof(struct ufs_rpmb_reply);
/* complete the job here only if no error */
if (ret == 0)
bsg_job_done(job, ret, bsg_reply->reply_payload_rcv_len);
/* Query request timeout */
#define QUERY_REQ_TIMEOUT 1500 /* 1.5 seconds */
+/* Advanced RPMB request timeout */
+#define ADVANCED_RPMB_REQ_TIMEOUT 3000 /* 3 seconds */
+
/* Task management command timeout */
#define TM_CMD_TIMEOUT 100 /* msecs */
}
/**
- * ufshcd_map_sg - Map scatter-gather list to prdt
- * @hba: per adapter instance
- * @lrbp: pointer to local reference block
- *
- * Returns 0 in case of success, non-zero value in case of failure
+ * ufshcd_sgl_to_prdt - SG list to PRTD (Physical Region Description Table, 4DW format)
+ * @hba: per-adapter instance
+ * @lrbp: pointer to local reference block
+ * @sg_entries: The number of sg lists actually used
+ * @sg_list: Pointer to SG list
*/
-static int ufshcd_map_sg(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
+static void ufshcd_sgl_to_prdt(struct ufs_hba *hba, struct ufshcd_lrb *lrbp, int sg_entries,
+ struct scatterlist *sg_list)
{
struct ufshcd_sg_entry *prd_table;
struct scatterlist *sg;
- struct scsi_cmnd *cmd;
- int sg_segments;
int i;
- cmd = lrbp->cmd;
- sg_segments = scsi_dma_map(cmd);
- if (sg_segments < 0)
- return sg_segments;
-
- if (sg_segments) {
+ if (sg_entries) {
if (hba->quirks & UFSHCD_QUIRK_PRDT_BYTE_GRAN)
lrbp->utr_descriptor_ptr->prd_table_length =
- cpu_to_le16((sg_segments *
- sizeof(struct ufshcd_sg_entry)));
+ cpu_to_le16((sg_entries * sizeof(struct ufshcd_sg_entry)));
else
- lrbp->utr_descriptor_ptr->prd_table_length =
- cpu_to_le16(sg_segments);
+ lrbp->utr_descriptor_ptr->prd_table_length = cpu_to_le16(sg_entries);
prd_table = lrbp->ucd_prdt_ptr;
- scsi_for_each_sg(cmd, sg, sg_segments, i) {
+ for_each_sg(sg_list, sg, sg_entries, i) {
const unsigned int len = sg_dma_len(sg);
/*
} else {
lrbp->utr_descriptor_ptr->prd_table_length = 0;
}
+}
+
+/**
+ * ufshcd_map_sg - Map scatter-gather list to prdt
+ * @hba: per adapter instance
+ * @lrbp: pointer to local reference block
+ *
+ * Returns 0 in case of success, non-zero value in case of failure
+ */
+static int ufshcd_map_sg(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
+{
+ struct scsi_cmnd *cmd = lrbp->cmd;
+ int sg_segments = scsi_dma_map(cmd);
+
+ if (sg_segments < 0)
+ return sg_segments;
+
+ ufshcd_sgl_to_prdt(hba, lrbp, sg_segments, scsi_sglist(cmd));
return 0;
}
}
/**
- * ufshcd_prepare_req_desc_hdr() - Fills the requests header
+ * ufshcd_prepare_req_desc_hdr - Fill UTP Transfer request descriptor header according to request
* descriptor according to request
* @lrbp: pointer to local reference block
* @upiu_flags: flags required in the header
* @cmd_dir: requests data direction
+ * @ehs_length: Total EHS Length (in 32‐bytes units of all Extra Header Segments)
*/
-static void ufshcd_prepare_req_desc_hdr(struct ufshcd_lrb *lrbp,
- u8 *upiu_flags, enum dma_data_direction cmd_dir)
+static void ufshcd_prepare_req_desc_hdr(struct ufshcd_lrb *lrbp, u8 *upiu_flags,
+ enum dma_data_direction cmd_dir, int ehs_length)
{
struct utp_transfer_req_desc *req_desc = lrbp->utr_descriptor_ptr;
u32 data_direction;
*upiu_flags = UPIU_CMD_FLAGS_NONE;
}
- dword_0 = data_direction | (lrbp->command_type
- << UPIU_COMMAND_TYPE_OFFSET);
+ dword_0 = data_direction | (lrbp->command_type << UPIU_COMMAND_TYPE_OFFSET) |
+ ehs_length << 8;
if (lrbp->intr_cmd)
dword_0 |= UTP_REQ_DESC_INT_CMD;
}
/**
- * ufshcd_prepare_utp_query_req_upiu() - fills the utp_transfer_req_desc,
- * for query requsts
+ * ufshcd_prepare_utp_query_req_upiu() - fill the utp_transfer_req_desc for query request
* @hba: UFS hba
* @lrbp: local reference block pointer
* @upiu_flags: flags
else
lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
- ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, DMA_NONE);
+ ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, DMA_NONE, 0);
if (hba->dev_cmd.type == DEV_CMD_TYPE_QUERY)
ufshcd_prepare_utp_query_req_upiu(hba, lrbp, upiu_flags);
else if (hba->dev_cmd.type == DEV_CMD_TYPE_NOP)
lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
if (likely(lrbp->cmd)) {
- ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags,
- lrbp->cmd->sc_data_direction);
+ ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, lrbp->cmd->sc_data_direction, 0);
ufshcd_prepare_utp_scsi_cmd_upiu(lrbp, upiu_flags);
} else {
ret = -EINVAL;
dev_err(hba->dev, "%s: Reject UPIU not fully implemented\n",
__func__);
break;
+ case UPIU_TRANSACTION_RESPONSE:
+ if (hba->dev_cmd.type != DEV_CMD_TYPE_RPMB) {
+ err = -EINVAL;
+ dev_err(hba->dev, "%s: unexpected response %x\n", __func__, resp);
+ }
+ break;
default:
err = -EINVAL;
dev_err(hba->dev, "%s: Invalid device management cmd response: %x\n",
desc_buf[UNIT_DESC_PARAM_LU_WR_PROTECT] == UFS_LU_POWER_ON_WP)
hba->dev_info.is_lu_power_on_wp = true;
+ /* In case of RPMB LU, check if advanced RPMB mode is enabled */
+ if (desc_buf[UNIT_DESC_PARAM_UNIT_INDEX] == UFS_UPIU_RPMB_WLUN &&
+ desc_buf[RPMB_UNIT_DESC_PARAM_REGION_EN] & BIT(4))
+ hba->dev_info.b_advanced_rpmb_en = true;
+
+
kfree(desc_buf);
set_qdepth:
/*
/* update the task tag in the request upiu */
req_upiu->header.dword_0 |= cpu_to_be32(tag);
- ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, DMA_NONE);
+ ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, DMA_NONE, 0);
/* just copy the upiu request as it is */
memcpy(lrbp->ucd_req_ptr, req_upiu, sizeof(*lrbp->ucd_req_ptr));
return err;
}
+/**
+ * ufshcd_advanced_rpmb_req_handler - handle advanced RPMB request
+ * @hba: per adapter instance
+ * @req_upiu: upiu request
+ * @rsp_upiu: upiu reply
+ * @req_ehs: EHS field which contains Advanced RPMB Request Message
+ * @rsp_ehs: EHS field which returns Advanced RPMB Response Message
+ * @sg_cnt: The number of sg lists actually used
+ * @sg_list: Pointer to SG list when DATA IN/OUT UPIU is required in ARPMB operation
+ * @dir: DMA direction
+ *
+ * Returns zero on success, non-zero on failure
+ */
+int ufshcd_advanced_rpmb_req_handler(struct ufs_hba *hba, struct utp_upiu_req *req_upiu,
+ struct utp_upiu_req *rsp_upiu, struct ufs_ehs *req_ehs,
+ struct ufs_ehs *rsp_ehs, int sg_cnt, struct scatterlist *sg_list,
+ enum dma_data_direction dir)
+{
+ DECLARE_COMPLETION_ONSTACK(wait);
+ const u32 tag = hba->reserved_slot;
+ struct ufshcd_lrb *lrbp;
+ int err = 0;
+ int result;
+ u8 upiu_flags;
+ u8 *ehs_data;
+ u16 ehs_len;
+
+ /* Protects use of hba->reserved_slot. */
+ ufshcd_hold(hba, false);
+ mutex_lock(&hba->dev_cmd.lock);
+ down_read(&hba->clk_scaling_lock);
+
+ lrbp = &hba->lrb[tag];
+ WARN_ON(lrbp->cmd);
+ lrbp->cmd = NULL;
+ lrbp->task_tag = tag;
+ lrbp->lun = UFS_UPIU_RPMB_WLUN;
+
+ lrbp->intr_cmd = true;
+ ufshcd_prepare_lrbp_crypto(NULL, lrbp);
+ hba->dev_cmd.type = DEV_CMD_TYPE_RPMB;
+
+ /* Advanced RPMB starts from UFS 4.0, so its command type is UTP_CMD_TYPE_UFS_STORAGE */
+ lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
+
+ ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, dir, 2);
+
+ /* update the task tag and LUN in the request upiu */
+ req_upiu->header.dword_0 |= cpu_to_be32(upiu_flags << 16 | UFS_UPIU_RPMB_WLUN << 8 | tag);
+
+ /* copy the UPIU(contains CDB) request as it is */
+ memcpy(lrbp->ucd_req_ptr, req_upiu, sizeof(*lrbp->ucd_req_ptr));
+ /* Copy EHS, starting with byte32, immediately after the CDB package */
+ memcpy(lrbp->ucd_req_ptr + 1, req_ehs, sizeof(*req_ehs));
+
+ if (dir != DMA_NONE && sg_list)
+ ufshcd_sgl_to_prdt(hba, lrbp, sg_cnt, sg_list);
+
+ memset(lrbp->ucd_rsp_ptr, 0, sizeof(struct utp_upiu_rsp));
+
+ hba->dev_cmd.complete = &wait;
+
+ ufshcd_send_command(hba, tag);
+
+ err = ufshcd_wait_for_dev_cmd(hba, lrbp, ADVANCED_RPMB_REQ_TIMEOUT);
+
+ if (!err) {
+ /* Just copy the upiu response as it is */
+ memcpy(rsp_upiu, lrbp->ucd_rsp_ptr, sizeof(*rsp_upiu));
+ /* Get the response UPIU result */
+ result = ufshcd_get_rsp_upiu_result(lrbp->ucd_rsp_ptr);
+
+ ehs_len = be32_to_cpu(lrbp->ucd_rsp_ptr->header.dword_2) >> 24;
+ /*
+ * Since the bLength in EHS indicates the total size of the EHS Header and EHS Data
+ * in 32 Byte units, the value of the bLength Request/Response for Advanced RPMB
+ * Message is 02h
+ */
+ if (ehs_len == 2 && rsp_ehs) {
+ /*
+ * ucd_rsp_ptr points to a buffer with a length of 512 bytes
+ * (ALIGNED_UPIU_SIZE = 512), and the EHS data just starts from byte32
+ */
+ ehs_data = (u8 *)lrbp->ucd_rsp_ptr + EHS_OFFSET_IN_RESPONSE;
+ memcpy(rsp_ehs, ehs_data, ehs_len * 32);
+ }
+ }
+
+ up_read(&hba->clk_scaling_lock);
+ mutex_unlock(&hba->dev_cmd.lock);
+ ufshcd_release(hba);
+ return err ? : result;
+}
+
/**
* ufshcd_eh_device_reset_handler() - Reset a single logical unit.
* @cmd: SCSI command pointer
*/
#define UFS_CDB_SIZE 16
-#define UPIU_TRANSACTION_UIC_CMD 0x1F
/* uic commands are 4DW long, per UFSHCI V2.1 paragraph 5.6.1 */
#define UIC_CMD_SIZE (sizeof(__u32) * 4)
+enum ufs_bsg_msg_code {
+ UPIU_TRANSACTION_UIC_CMD = 0x1F,
+ UPIU_TRANSACTION_ARPMB_CMD,
+};
+
+/* UFS RPMB Request Message Types */
+enum ufs_rpmb_op_type {
+ UFS_RPMB_WRITE_KEY = 0x01,
+ UFS_RPMB_READ_CNT = 0x02,
+ UFS_RPMB_WRITE = 0x03,
+ UFS_RPMB_READ = 0x04,
+ UFS_RPMB_READ_RESP = 0x05,
+ UFS_RPMB_SEC_CONF_WRITE = 0x06,
+ UFS_RPMB_SEC_CONF_READ = 0x07,
+ UFS_RPMB_PURGE_ENABLE = 0x08,
+ UFS_RPMB_PURGE_STATUS_READ = 0x09,
+};
+
/**
* struct utp_upiu_header - UPIU header structure
* @dword_0: UPIU header DW-0
};
};
+struct ufs_arpmb_meta {
+ __u16 req_resp_type;
+ __u8 nonce[16];
+ __u32 write_counter;
+ __u16 addr_lun;
+ __u16 block_count;
+ __u16 result;
+} __attribute__((__packed__));
+
+struct ufs_ehs {
+ __u8 length;
+ __u8 ehs_type;
+ __u16 ehssub_type;
+ struct ufs_arpmb_meta meta;
+ __u8 mac_key[32];
+} __attribute__((__packed__));
+
/* request (CDB) structure of the sg_io_v4 */
struct ufs_bsg_request {
__u32 msgcode;
* msg and status fields. The per-msgcode reply structure
* will contain valid data.
*/
- __u32 result;
+ int result;
/* If there was reply_payload, how much was received? */
__u32 reply_payload_rcv_len;
struct utp_upiu_req upiu_rsp;
};
+
+struct ufs_rpmb_request {
+ struct ufs_bsg_request bsg_request;
+ struct ufs_ehs ehs_req;
+};
+
+struct ufs_rpmb_reply {
+ struct ufs_bsg_reply bsg_reply;
+ struct ufs_ehs ehs_rsp;
+};
#endif /* UFS_BSG_H */
*/
#define UFS_WB_EXCEED_LIFETIME 0x0B
+/*
+ * In UFS Spec, the Extra Header Segment (EHS) starts from byte 32 in UPIU request/response packet
+ */
+#define EHS_OFFSET_IN_RESPONSE 32
+
/* Well known logical unit id in LUN field of UPIU */
enum {
UFS_UPIU_REPORT_LUNS_WLUN = 0x81,
UNIT_DESC_PARAM_WB_BUF_ALLOC_UNITS = 0x29,
};
+/* RPMB Unit descriptor parameters offsets in bytes*/
+enum rpmb_unit_desc_param {
+ RPMB_UNIT_DESC_PARAM_LEN = 0x0,
+ RPMB_UNIT_DESC_PARAM_TYPE = 0x1,
+ RPMB_UNIT_DESC_PARAM_UNIT_INDEX = 0x2,
+ RPMB_UNIT_DESC_PARAM_LU_ENABLE = 0x3,
+ RPMB_UNIT_DESC_PARAM_BOOT_LUN_ID = 0x4,
+ RPMB_UNIT_DESC_PARAM_LU_WR_PROTECT = 0x5,
+ RPMB_UNIT_DESC_PARAM_LU_Q_DEPTH = 0x6,
+ RPMB_UNIT_DESC_PARAM_PSA_SENSITIVE = 0x7,
+ RPMB_UNIT_DESC_PARAM_MEM_TYPE = 0x8,
+ RPMB_UNIT_DESC_PARAM_REGION_EN = 0x9,
+ RPMB_UNIT_DESC_PARAM_LOGICAL_BLK_SIZE = 0xA,
+ RPMB_UNIT_DESC_PARAM_LOGICAL_BLK_COUNT = 0xB,
+ RPMB_UNIT_DESC_PARAM_REGION0_SIZE = 0x13,
+ RPMB_UNIT_DESC_PARAM_REGION1_SIZE = 0x14,
+ RPMB_UNIT_DESC_PARAM_REGION2_SIZE = 0x15,
+ RPMB_UNIT_DESC_PARAM_REGION3_SIZE = 0x16,
+ RPMB_UNIT_DESC_PARAM_PROVISIONING_TYPE = 0x17,
+ RPMB_UNIT_DESC_PARAM_PHY_MEM_RSRC_CNT = 0x18,
+};
+
/* Device descriptor parameters offsets in bytes*/
enum device_desc_param {
DEVICE_DESC_PARAM_LEN = 0x0,
bool b_rpm_dev_flush_capable;
u8 b_presrv_uspc_en;
+
+ bool b_advanced_rpmb_en;
};
/*
enum dev_cmd_type {
DEV_CMD_TYPE_NOP = 0x0,
DEV_CMD_TYPE_QUERY = 0x1,
+ DEV_CMD_TYPE_RPMB = 0x2,
};
enum ufs_event_type {
int msgcode,
u8 *desc_buff, int *buff_len,
enum query_opcode desc_op);
-
+int ufshcd_advanced_rpmb_req_handler(struct ufs_hba *hba, struct utp_upiu_req *req_upiu,
+ struct utp_upiu_req *rsp_upiu, struct ufs_ehs *ehs_req,
+ struct ufs_ehs *ehs_rsp, int sg_cnt,
+ struct scatterlist *sg_list, enum dma_data_direction dir);
int ufshcd_wb_toggle(struct ufs_hba *hba, bool enable);
int ufshcd_wb_toggle_buf_flush(struct ufs_hba *hba, bool enable);
int ufshcd_suspend_prepare(struct device *dev);
enum {
MASK_TRANSFER_REQUESTS_SLOTS = 0x0000001F,
MASK_TASK_MANAGEMENT_REQUEST_SLOTS = 0x00070000,
+ MASK_EHSLUTRD_SUPPORTED = 0x00400000,
MASK_AUTO_HIBERN8_SUPPORT = 0x00800000,
MASK_64_ADDRESSING_SUPPORT = 0x01000000,
MASK_OUT_OF_ORDER_DATA_DELIVERY_SUPPORT = 0x02000000,
projects / linux-2.6-microblaze.git / commitdiff