On 03/17/2015 04:26 PM, Achim Leubner wrote:
> Reviewed-by: Achim Leubner <achim.leub...@pmcs.com>
>
>
> -----Original Message-----
> From: Mahesh Rajashekhara
> Sent: Wednesday, March 4, 2015 9:38 AM
> To: jbottom...@parallels.com; linux-scsi@vger.kernel.org
> Cc: aacr...@pmc-sierra.com; Harry Yang; Achim Leubner; Rajinikanth
> Pandurangan; Rich Bono; Mahesh Rajashekhara
> Subject: [PATCH 3/7] aacraid: 4KB sector support
>
> Add 4KB sector support
>
> Signed-off-by: Mahesh Rajashekhara <mahesh.rajashekh...@pmcs.com>
> ---
> drivers/scsi/aacraid/aachba.c | 195
> +++++++++++++++++++++++++++++++---------
> drivers/scsi/aacraid/aacraid.h | 10 ++-
> 2 files changed, 160 insertions(+), 45 deletions(-)
>
> diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
> index b32e77d..0819644 100644
> --- a/drivers/scsi/aacraid/aachba.c
> +++ b/drivers/scsi/aacraid/aachba.c
> @@ -111,6 +111,41 @@
> #define BYTE2(x) (unsigned char)((x) >> 16) #define BYTE3(x) (unsigned
> char)((x) >> 24)
>
> +/* MODE_SENSE data format */
> +typedef struct {
> + struct {
> + u8 data_length;
> + u8 med_type;
> + u8 dev_par;
> + u8 bd_length;
> + } __attribute__((packed)) hd;
> + struct {
> + u8 dens_code;
> + u8 block_count[3];
> + u8 reserved;
> + u8 block_length[3];
> + } __attribute__((packed)) bd;
> + u8 mpc_buf[3];
> +} __attribute__((packed)) aac_modep_data;
> +
> +/* MODE_SENSE_10 data format */
> +typedef struct {
> + struct {
> + u8 data_length[2];
> + u8 med_type;
> + u8 dev_par;
> + u8 rsrvd[2];
> + u8 bd_length[2];
> + } __attribute__((packed)) hd;
> + struct {
> + u8 dens_code;
> + u8 block_count[3];
> + u8 reserved;
> + u8 block_length[3];
> + } __attribute__((packed)) bd;
> + u8 mpc_buf[3];
> +} __attribute__((packed)) aac_modep10_data;
> +
>
> /*------------------------------------------------------------------------------
> * S T R U C T S / T Y P E D E F S
>
> *----------------------------------------------------------------------------*/
> @@ -539,6 +574,13 @@ static void _aac_probe_container2(void * context, struct
> fib * fibptr)
> if ((le32_to_cpu(dresp->status) == ST_OK) &&
> (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
> (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
> + if
> (!(fibptr->dev->supplement_adapter_info.SupportedOptions2 &
> + AAC_OPTION_VARIABLE_BLOCK_SIZE)) {
> + dresp->mnt[0].fileinfo.bdevinfo.block_size =
> 0x200;
> + fsa_dev_ptr->block_size = 0x200;
> + } else {
> + fsa_dev_ptr->block_size =
> le32_to_cpu(dresp->mnt[0].fileinfo.bdevinfo.block_size);
> + }
> fsa_dev_ptr->valid = 1;
> /* sense_key holds the current state of the spin-up */
> if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
> @@ -586,7 +628,12 @@ static void _aac_probe_container1(void * context, struct
> fib * fibptr)
>
> dinfo = (struct aac_query_mount *)fib_data(fibptr);
>
> - dinfo->command = cpu_to_le32(VM_NameServe64);
> + if (fibptr->dev->supplement_adapter_info.SupportedOptions2 &
> + AAC_OPTION_VARIABLE_BLOCK_SIZE)
> + dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
> + else
> + dinfo->command = cpu_to_le32(VM_NameServe64);
> +
> dinfo->count = cpu_to_le32(scmd_id(scsicmd));
> dinfo->type = cpu_to_le32(FT_FILESYS);
>
> @@ -621,7 +668,12 @@ static int _aac_probe_container(struct scsi_cmnd *
> scsicmd, int (*callback)(stru
>
> dinfo = (struct aac_query_mount *)fib_data(fibptr);
>
> - dinfo->command = cpu_to_le32(VM_NameServe);
> + if (fibptr->dev->supplement_adapter_info.SupportedOptions2 &
> + AAC_OPTION_VARIABLE_BLOCK_SIZE)
> + dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
> + else
> + dinfo->command = cpu_to_le32(VM_NameServe);
> +
> dinfo->count = cpu_to_le32(scmd_id(scsicmd));
> dinfo->type = cpu_to_le32(FT_FILESYS);
> scsicmd->SCp.ptr = (char *)callback;
> @@ -982,7 +1034,7 @@ static int aac_read_raw_io(struct fib * fib, struct
> scsi_cmnd * cmd, u64 lba, u3
> memset(readcmd2, 0, sizeof(struct aac_raw_io2));
> readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
> readcmd2->blockHigh =
> cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
> - readcmd2->byteCount = cpu_to_le32(count<<9);
> + readcmd2->byteCount = cpu_to_le32(count *
> +dev->fsa_dev[scmd_id(cmd)].block_size);
Wrong indentation.
> readcmd2->cid = cpu_to_le16(scmd_id(cmd));
> readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ);
> ret = aac_build_sgraw2(cmd, readcmd2, @@ -997,7 +1049,7 @@
> static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba,
> u3
> readcmd = (struct aac_raw_io *) fib_data(fib);
> readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
> readcmd->block[1] =
> cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
> - readcmd->count = cpu_to_le32(count<<9);
> + readcmd->count = cpu_to_le32(count *
> +dev->fsa_dev[scmd_id(cmd)].block_size);
Same here.
> readcmd->cid = cpu_to_le16(scmd_id(cmd));
> readcmd->flags = cpu_to_le16(RIO_TYPE_READ);
> readcmd->bpTotal = 0;
> @@ -1062,6 +1114,7 @@ static int aac_read_block(struct fib * fib, struct
> scsi_cmnd * cmd, u64 lba, u32 {
> u16 fibsize;
> struct aac_read *readcmd;
> + struct aac_dev *dev = fib->dev;
> long ret;
>
> aac_fib_init(fib);
> @@ -1069,7 +1122,7 @@ static int aac_read_block(struct fib * fib, struct
> scsi_cmnd * cmd, u64 lba, u32
> readcmd->command = cpu_to_le32(VM_CtBlockRead);
> readcmd->cid = cpu_to_le32(scmd_id(cmd));
> readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
> - readcmd->count = cpu_to_le32(count * 512);
> + readcmd->count = cpu_to_le32(count *
> +dev->fsa_dev[scmd_id(cmd)].block_size);
>
Here.
> ret = aac_build_sg(cmd, &readcmd->sg);
> if (ret < 0)
> @@ -1104,7 +1157,7 @@ static int aac_write_raw_io(struct fib * fib, struct
> scsi_cmnd * cmd, u64 lba, u
> memset(writecmd2, 0, sizeof(struct aac_raw_io2));
> writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
> writecmd2->blockHigh =
> cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
> - writecmd2->byteCount = cpu_to_le32(count<<9);
> + writecmd2->byteCount = cpu_to_le32(count *
> +dev->fsa_dev[scmd_id(cmd)].block_size);
Here.
> writecmd2->cid = cpu_to_le16(scmd_id(cmd));
> writecmd2->flags = (fua && ((aac_cache & 5) != 1) &&
> (((aac_cache & 5) != 5) ||
> !fib->dev->cache_protected)) ?
> @@ -1122,7 +1175,7 @@ static int aac_write_raw_io(struct fib * fib, struct
> scsi_cmnd * cmd, u64 lba, u
> writecmd = (struct aac_raw_io *) fib_data(fib);
> writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
> writecmd->block[1] =
> cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
> - writecmd->count = cpu_to_le32(count<<9);
> + writecmd->count = cpu_to_le32(count *
> +dev->fsa_dev[scmd_id(cmd)].block_size);
Here.
> writecmd->cid = cpu_to_le16(scmd_id(cmd));
> writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
> (((aac_cache & 5) != 5) ||
> !fib->dev->cache_protected)) ?
> @@ -1190,6 +1243,7 @@ static int aac_write_block(struct fib * fib, struct
> scsi_cmnd * cmd, u64 lba, u3 {
> u16 fibsize;
> struct aac_write *writecmd;
> + struct aac_dev *dev = fib->dev;
> long ret;
>
> aac_fib_init(fib);
> @@ -1197,7 +1251,7 @@ static int aac_write_block(struct fib * fib, struct
> scsi_cmnd * cmd, u64 lba, u3
> writecmd->command = cpu_to_le32(VM_CtBlockWrite);
> writecmd->cid = cpu_to_le32(scmd_id(cmd));
> writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
> - writecmd->count = cpu_to_le32(count * 512);
> + writecmd->count = cpu_to_le32(count *
> +dev->fsa_dev[scmd_id(cmd)].block_size);
And here.
> writecmd->sg.count = cpu_to_le32(1);
> /* ->stable is not used - it did mean which type of write */
>
> @@ -2329,10 +2383,10 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
> cp[5] = (capacity >> 16) & 0xff;
> cp[6] = (capacity >> 8) & 0xff;
> cp[7] = (capacity >> 0) & 0xff;
> - cp[8] = 0;
> - cp[9] = 0;
> - cp[10] = 2;
> - cp[11] = 0;
> + cp[8] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
> + cp[9] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
> + cp[10] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
> + cp[11] = (fsa_dev_ptr[cid].block_size) & 0xff;
> cp[12] = 0;
>
> alloc_len = ((scsicmd->cmnd[10] << 24) @@ -2369,10 +2423,10 @@
> int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
> cp[1] = (capacity >> 16) & 0xff;
> cp[2] = (capacity >> 8) & 0xff;
> cp[3] = (capacity >> 0) & 0xff;
> - cp[4] = 0;
> - cp[5] = 0;
> - cp[6] = 2;
> - cp[7] = 0;
> + cp[4] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
> + cp[5] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
> + cp[6] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
> + cp[7] = (fsa_dev_ptr[cid].block_size) & 0xff;
> scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
> /* Do not cache partition table for arrays */
> scsicmd->device->removable = 1;
> @@ -2385,30 +2439,55 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
>
> case MODE_SENSE:
> {
> - char mode_buf[7];
> int mode_buf_length = 4;
> + u32 capacity;
> + aac_modep_data mpd;
> +
> + if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
> + capacity = fsa_dev_ptr[cid].size - 1;
> + else
> + capacity = (u32)-1;
>
> dprintk((KERN_DEBUG "MODE SENSE command.\n"));
> - mode_buf[0] = 3; /* Mode data length */
> - mode_buf[1] = 0; /* Medium type - default */
> - mode_buf[2] = 0; /* Device-specific param,
> + memset((char *)&mpd, 0, sizeof(aac_modep_data));
> +
> + mpd.hd.data_length = sizeof(mpd.hd) - 1; /* Mode data
> length */
> + mpd.hd.med_type = 0; /* Medium type - default */
> + mpd.hd.dev_par = 0; /* Device-specific param,
> bit 8: 0/1 = write enabled/protected
> bit 4: 0/1 = FUA enabled */
> if (dev->raw_io_interface && ((aac_cache & 5) != 1))
> - mode_buf[2] = 0x10;
> - mode_buf[3] = 0; /* Block descriptor length */
> + mpd.hd.dev_par = 0x10;
> + if (scsicmd->cmnd[1] & 0x8) {
> + mpd.hd.bd_length = 0; /* Block descriptor length */
> + } else {
No braces around conditions in a single line.
Remember to run './scripts/checkpatch.pl' before submission.
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
h...@suse.de +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
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