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| author | Yang, Bo <Bo.Yang@lsi.com> | 2009-10-06 14:43:28 -0600 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-10-29 13:03:20 -0400 |
| commit | f4c9a1317d32bb0af7546ef0c1dcc3be52dc8d0a (patch) | |
| tree | 2c0f83b914aaf34902365d244728d6a22808bfd7 /drivers/scsi/megaraid/megaraid_sas.h | |
| parent | 7bebf5c79cb62766c76c6c1b9c77b86496fd363e (diff) | |
| download | kernel_samsung_smdk4412-f4c9a1317d32bb0af7546ef0c1dcc3be52dc8d0a.zip kernel_samsung_smdk4412-f4c9a1317d32bb0af7546ef0c1dcc3be52dc8d0a.tar.gz kernel_samsung_smdk4412-f4c9a1317d32bb0af7546ef0c1dcc3be52dc8d0a.tar.bz2 | |
[SCSI] megaraid_sas: add the IEEE SGE support to SAS2 controller
To increase the performance, megaraid sas driver added the IEEE SGE
support to support SAS2 controller.
Signed-off-by Bo Yang<bo.yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas.h')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index 4c78cd3..a1fd44b 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -96,6 +96,7 @@ #define MFI_FRAME_DIR_WRITE 0x0008 #define MFI_FRAME_DIR_READ 0x0010 #define MFI_FRAME_DIR_BOTH 0x0018 +#define MFI_FRAME_IEEE 0x0020 /* * Definition for cmd_status @@ -732,10 +733,17 @@ struct megasas_sge64 { } __attribute__ ((packed)); +struct megasas_sge_skinny { + u64 phys_addr; + u32 length; + u32 flag; +} __packed; + union megasas_sgl { struct megasas_sge32 sge32[1]; struct megasas_sge64 sge64[1]; + struct megasas_sge_skinny sge_skinny[1]; } __attribute__ ((packed)); @@ -1210,6 +1218,7 @@ struct megasas_instance { u8 flag; u8 unload; + u8 flag_ieee; unsigned long last_time; struct timer_list io_completion_timer; |