On Mon, Mar 26, 2012 at 10:04 AM, KOBAYASHI Yoshitake
wrote:
> Santosh Y wrote:
>>
>> + ucd_cmd_ptr->exp_data_transfer_len =
>> + cpu_to_be32(lrbp->cmd->transfersize);
>> +
>> + memcpy(ucd_cmd_ptr->cdb,
>> +
On Mon, Mar 26, 2012 at 10:04 AM, KOBAYASHI Yoshitake
wrote:
> Santosh Y wrote:
>>
>> + ucd_cmd_ptr->exp_data_transfer_len =
>> + cpu_to_be32(lrbp->cmd->transfersize);
>> +
>> + memcpy(ucd_cmd_ptr->cdb,
>> +
On Mon, Mar 26, 2012 at 10:02 AM, KOBAYASHI Yoshitake
wrote:
>> > + utrdlp[i].response_upiu_length =
>> > + cpu_to_le16(ALIGNED_UPIU_SIZE);
>
>
> Response UPIU Length(RUL) shows the response UPIU length in Dword.
> (JEDEC Standard No.223 6.2.1 UTP Transfer Request Descriptor)
On Thu, Mar 22, 2012 at 7:17 AM, Deepak Saxena wrote:
> On 23 February 2012 23:19, Santosh Y wrote:
>> From: Santosh Yaraganavi
>>
>> UFS:
>> Universal Flash Storage is a storage specification for flash devices.
>> It is aimed to provide a universal storage i
From: Santosh Yaraganavi
This patch adds support for Transfer request handling.
ufshcd includes following implementations:
- SCSI queuecommand
- Compose UPIU(UFS Protocol information unit)
- Issue commands to UFS host controller
- Handle completed commands
Signed-off-by: Santosh Yaraganavi
From: Santosh Yaraganavi
The document provides Universal Flash Storage(UFS) and
UFS host controller driver overview.
Signed-off-by: Santosh Yaraganavi
Reviewed-by: Vishak G
Reviewed-by: Namjae Jeon
---
Documentation/scsi/00-INDEX |2 +
Documentation/scsi/ufs.txt | 133 +
From: Santosh Yaraganavi
UFSHCI error handling includes support for:
- UFS host controller errors
- System bus errors
- Unipro errors
Signed-off-by: Santosh Yaraganavi
Signed-off-by: Vinayak Holikatti
Reviewed-by: Arnd Bergmann
Reviewed-by: Vishak G
Reviewed-by: Girish K S
Reviewed-by: N
From: Santosh Yaraganavi
UFSHCD SCSI error handling includes following implementations,
- Abort task
- Device reset
- Host reset
Signed-off-by: Santosh Yaraganavi
Signed-off-by: Vinayak Holikatti
Reviewed-by: Arnd Bergmann
Reviewed-by: Vishak G
Reviewed-by: Girish K S
Reviewed-by: Namjae
From: Santosh Yaraganavi
This patch adds support for Universal Flash Storage(UFS)
host controllers. The UFS host controller driver
includes host controller initialization method.
The Initialization process involves following steps:
- Initiate UFS Host Controller initialization process by writin
From: Santosh Yaraganavi
UFS:
Universal Flash Storage is a storage specification for flash devices.
It is aimed to provide a universal storage interface for both
embedded and removable flash memory based storage in mobile
devices such as smart phones and tablet computers. The specification
is def
On Sun, Feb 26, 2012 at 10:16 AM, Hillf Danton wrote:
> On Fri, Feb 24, 2012 at 3:19 PM, Santosh Y wrote:
>> +/**
>> + * ufshcd_is_tmq_full - checks if the task management slots are full
>> + * @hba: per adapter instance
>> + *
>> + * Returns maximum number of
>> #include "ufs.h"
>> @@ -75,6 +76,8 @@ enum {
>> UFSHCD_MAX_CHANNEL = 0,
>> UFSHCD_MAX_ID = 1,
>> UFSHCD_MAX_LUNS = 8,
>> + UFSHCD_CMD_PER_LUN = 32,
>> + UFSHCD_CAN_QUEUE = 32,
>
>
> Is the can queue right, or are you working around a
From: Santosh Yaraganavi
UFSHCI error handling includes support for:
- UFS host controller errors
- System bus errors
- Unipro errors
Signed-off-by: Santosh Yaraganavi
Signed-off-by: Vinayak Holikatti
Reviewed-by: Arnd Bergmann
Reviewed-by: Vishak G
Reviewed-by: Girish K S
---
v1 -> v2:
From: Santosh Yaraganavi
The document provides Universal Flash Storage(UFS) and
UFS host controller driver overview.
Signed-off-by: Santosh Yaraganavi
Reviewed-by: Vishak G
---
Documentation/scsi/00-INDEX |2 +
Documentation/scsi/ufs.txt | 89 +++
From: Santosh Yaraganavi
UFSHCD SCSI error handling includes following implementations,
- Abort task
- Device reset
- Host reset
Signed-off-by: Santosh Yaraganavi
Signed-off-by: Vinayak Holikatti
Reviewed-by: Arnd Bergmann
Reviewed-by: Vishak G
Reviewed-by: Girish K S
---
v1 -> v2:
From: Santosh Yaraganavi
This patch adds support for Transfer request handling.
ufshcd includes following implementations:
- SCSI queuecommand
- Compose UPIU(UFS Protocol information unit)
- Issue commands to UFS host controller
- Handle completed commands
Signed-off-by: Santosh Yaraganavi
From: Santosh Yaraganavi
This patch adds support for Universal Flash Storage(UFS)
host controllers. The UFS host controller driver
includes host controller initialization method.
The Initialization process involves following steps:
- Initiate UFS Host Controller initialization process by writin
From: Santosh Yaraganavi
UFS:
Universal Flash Storage is a storage specification for flash devices.
It is aimed to provide a universal storage interface for both
embedded and removable flash memory based storage in mobile
devices such as smart phones and tablet computers. The specification
is def
On Thu, Feb 9, 2012 at 10:04 AM, Namjae Jeon wrote:
> 2012/2/6 Santosh Y :
>> On Mon, Feb 6, 2012 at 4:15 AM, Namjae Jeon wrote:
>>> 2012/2/5 Namjae Jeon :
>>>> 2012/2/2 Vinayak Holikatti :
>>>>> From: Santosh Yaraganavi
>>>>>
>
On Tue, Feb 7, 2012 at 12:46 PM, Felipe Balbi wrote:
> Hi,
>
> On Thu, Feb 02, 2012 at 10:27:26AM +0530, Vinayak Holikatti wrote:
>> +/**
>> + * ufshcd_uic_cc_handler - handle UIC command completion
>> + * @work: pointer to a work queue structure
>> + *
>> + * Returns 0 on success, non-zero value
On Mon, Feb 6, 2012 at 12:46 PM, Amit Sahrawat
wrote:
> Hi,
>
> In function:
> +static int ufshcd_abort(struct scsi_cmnd *cmd)
> +{...
> - int err;
> + int err = -1;
> ...
> + spin_lock_irqsave(host->host_lock, flags);
> + pos = (1 << tag);
> +
> + /* check if command
On Mon, Feb 6, 2012 at 4:15 AM, Namjae Jeon wrote:
> 2012/2/5 Namjae Jeon :
>> 2012/2/2 Vinayak Holikatti :
>>> From: Santosh Yaraganavi
>>>
>>> UFS is designed to be the most advanced specification for
>>> both embedded and removable flash memory-based storage in mobile devices
>>> such as smart
On Sun, Feb 5, 2012 at 6:21 PM, Namjae Jeon wrote:
> 2012/2/2 Vinayak Holikatti :
>> From: Santosh Yaraganavi
>>
>> This patch adds support for Transfer request handling.
>>
>> ufshcd includes following implementations:
>> - SCSI queuecommand
>> - Compose UPIU(UFS Protocol information unit)
>>
On Sun, Feb 5, 2012 at 1:07 PM, Namjae Jeon wrote:
>> +
>> +/**
>> + * ufshcd_abort - abort a specific command
>> + * @cmd: SCSI command pointer
>> + *
>> + * Returns 0 on success, non-zero value on failure
>> + */
>> +static int ufshcd_abort(struct scsi_cmnd *cmd)
>> +{
>> + struct Scsi_Hos
On Fri, Feb 3, 2012 at 8:49 PM, Arnd Bergmann wrote:
> On Thursday 02 February 2012, Vinayak Holikatti wrote:
>> From: Santosh Yaraganavi
>>
>> This patch adds support for Universal Flash Storage(UFS)
>> host controllers. The UFS host controller driver
>> includes host controller initialization m
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