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| author | James Bottomley <jejb@mulgrave.(none)> | 2005-10-29 17:28:33 +0200 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.(none)> | 2005-10-29 17:28:33 +0200 |
| commit | 604a3e3042eb89ffaa4f735ef9208281aae786c7 (patch) | |
| tree | 54c4ad58274b0bb79386c6c57b4849bfb92d4118 /drivers/scsi/lpfc/lpfc_sli.h | |
| parent | [SCSI] lpfc: Remove RPI hash from the driver (diff) | |
| download | linux-604a3e3042eb89ffaa4f735ef9208281aae786c7.tar.xz linux-604a3e3042eb89ffaa4f735ef9208281aae786c7.zip | |
[SCSI] lpfc: Fix for "command completion for iotax x?? not found"
From: James Smart <James.Smart@emulex.com>
There were scenarios where the error handlers could reuse an iotag
value of an active io. Remove all possibility of this by
pre-assigning iotag resources to command resources.
Signed-off-by: James Smart <James.Smart@emulex.com>
Rejections fixed up and
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index 2d5b0670415c..5d8911de4faa 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -33,6 +33,9 @@ typedef enum _lpfc_ctx_cmd { struct lpfc_iocbq { /* lpfc_iocbqs are used in double linked lists */ struct list_head list; + uint16_t iotag; /* pre-assigned IO tag */ + uint16_t rsvd1; + IOCB_t iocb; /* IOCB cmd */ uint8_t retry; /* retry counter for IOCB cmd - if needed */ uint8_t iocb_flag; @@ -200,6 +203,11 @@ struct lpfc_sli { cmd */ uint32_t *MBhostaddr; /* virtual address for mbox cmds */ + +#define LPFC_IOCBQ_LOOKUP_INCREMENT 1024 + struct lpfc_iocbq ** iocbq_lookup; /* array to lookup IOCB by IOTAG */ + size_t iocbq_lookup_len; /* current lengs of the array */ + uint16_t last_iotag; /* last allocated IOTAG */ }; /* Given a pointer to the start of the ring, and the slot number of |