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authorken <ken@FreeBSD.org>2012-01-26 18:09:28 +0000
committerken <ken@FreeBSD.org>2012-01-26 18:09:28 +0000
commit26bbbe8e9971a0f3aa073a148264b45d218f2a40 (patch)
treec2ad89d0753322faebda9103d7061f924086269d /README
parentcd0b224af303778d82d643263ea5e08ae3c2d239 (diff)
downloadFreeBSD-src-26bbbe8e9971a0f3aa073a148264b45d218f2a40.zip
FreeBSD-src-26bbbe8e9971a0f3aa073a148264b45d218f2a40.tar.gz
Add CAM infrastructure to allow reporting when a drive's long read capacity
data changes. cam_ccb.h: Add a new advanced information type, CDAI_TYPE_RCAPLONG, for long read capacity data. cam_xpt_internal.h: Add a read capacity data pointer and length to struct cam_ed. cam_xpt.c: Free the read capacity buffer when a device goes away. While we're here, make sure we don't leak memory for other malloced fields in struct cam_ed. scsi_all.c: Update the scsi_read_capacity_16() to take a uint8_t * and a length instead of just a pointer to the parameter data structure. This will hopefully make this function somewhat immune to future changes in the parameter data. scsi_all.h: Add some extra bit definitions to struct scsi_read_capacity_data_long, and bump up the structure size to the full size specified by SBC-3. Change the prototype for scsi_read_capacity_16(). scsi_da.c: Register changes in read capacity data with the transport layer. This allows the transport layer to send out an async notification to interested parties. Update the dasetgeom() API. Use scsi_extract_sense_len() instead of scsi_extract_sense(). scsi_xpt.c: Add support for the new CDAI_TYPE_RCAPLONG advanced information type. Make sure we set the physpath pointer to NULL after freeing it. This allows blindly freeing it in the struct cam_ed destructor. sys/param.h: Bump __FreeBSD_version from 1000005 to 1000006 to make it easier for third party drivers to determine that the read capacity data async notification is available. camcontrol.c, mptutil/mpt_cam.c: Update these for the new scsi_read_capacity_16() argument structure. Sponsored by: Spectra Logic
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