diff options
Diffstat (limited to 'usr/src/uts/common/sys/usb/scsa2usb/scsa2usb.h')
| -rw-r--r-- | usr/src/uts/common/sys/usb/scsa2usb/scsa2usb.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/usr/src/uts/common/sys/usb/scsa2usb/scsa2usb.h b/usr/src/uts/common/sys/usb/scsa2usb/scsa2usb.h index c619a32e64..8177f9542d 100644 --- a/usr/src/uts/common/sys/usb/scsa2usb/scsa2usb.h +++ b/usr/src/uts/common/sys/usb/scsa2usb/scsa2usb.h @@ -56,7 +56,9 @@ extern "C" { */ #define SCSA2USB_MAX_BULK_XFER_SIZE (64 * 1024) -/* Blacklist some vendors whose devices could cause problems */ +/* + * Identify devices with quirks of implementation that we need to work around: + */ #define MS_HAGIWARA_SYS_COM_VID 0x693 /* VendorId of Hagiwara Sys-Com */ #define MS_HAGIWARA_SYSCOM_PID1 0x1 /* PID for SmartMedia(SM) device */ #define MS_HAGIWARA_SYSCOM_PID2 0x3 /* PID for CompactFlash(CF) device */ @@ -143,7 +145,7 @@ extern "C" { * Reducing timeout value to 1 second can help a little bit, but the delay * is still noticeable, because the target driver would make many retries * for this command. It is not desirable to mess with the target driver - * for a broken USB device. So adding the device to the scsa2usb blacklist + * for a broken USB device. So adding the device to the scsa2usb quirks list * is the best choice we have. * * It is found that the READ CAPACITY failure only happens when there is @@ -187,7 +189,7 @@ extern "C" { * instead of highest logical block address on READ_CAPACITY cmd. * * NOTE: If a device simply STALLs the GET_MAX_LUN BO class-specific command - * and recovers then it will not be added to the scsa2usb_blacklist[] table + * and recovers then it will not be added to the scsa2usb_quirks[] table * in scsa2usb.c. The other attributes will not be taken of the table unless * their inclusion causes a recovery and retries (thus seriously affecting * the driver performance). @@ -508,10 +510,12 @@ _NOTE(SCHEME_PROTECTS_DATA("unshared data", usb_bulk_req_t)) FORMG0COUNT(((union scsi_cdb *)(pktp)->pkt_cdbp), (cnt)) -/* transport related */ -#define SCSA2USB_JUST_ACCEPT 0 -#define SCSA2USB_TRANSPORT 1 -#define SCSA2USB_REJECT -1 +/* + * Transport dispositions for commands: + */ +#define SCSA2USB_JUST_ACCEPT 0 /* Simulate command without device */ +#define SCSA2USB_TRANSPORT 1 /* Send the command to the device */ +#define SCSA2USB_REJECT -1 /* Reject with immediate fatal error */ /* * The scsa2usb_cpr_info data structure is used for cpr related |