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authormjacob <mjacob@FreeBSD.org>2003-09-13 01:58:51 +0000
committermjacob <mjacob@FreeBSD.org>2003-09-13 01:58:51 +0000
commit46e7ae45f56d33968132a43ed852e40cecc197b5 (patch)
tree6fc747ac02ac2372eee00ca240f1829bab1dd3c5 /sys/dev/isp
parent52ffcfe4b524f3c227254994fb0bc6390af22de9 (diff)
downloadFreeBSD-src-46e7ae45f56d33968132a43ed852e40cecc197b5.zip
FreeBSD-src-46e7ae45f56d33968132a43ed852e40cecc197b5.tar.gz
Bland synchronization of common source with no effect on FreeBSD whatsomever.
Diffstat (limited to 'sys/dev/isp')
-rw-r--r--sys/dev/isp/isp_tpublic.h198
1 files changed, 132 insertions, 66 deletions
diff --git a/sys/dev/isp/isp_tpublic.h b/sys/dev/isp/isp_tpublic.h
index 5074af5..358e956 100644
--- a/sys/dev/isp/isp_tpublic.h
+++ b/sys/dev/isp/isp_tpublic.h
@@ -46,16 +46,16 @@ typedef struct {
u_int64_t nt_iid; /* inititator id */
u_int64_t nt_tgt; /* target id */
u_int64_t nt_lun; /* logical unit */
+ u_int32_t nt_tagval; /* tag value */
u_int8_t nt_bus; /* bus */
u_int8_t nt_tagtype; /* tag type */
- u_int16_t nt_tagval; /* tag value */
u_int8_t nt_msg[IN_MSGLEN]; /* message content */
} tmd_msg_t;
typedef struct {
void * ev_hba; /* HBA tag */
- u_int16_t ev_bus; /* bus */
- u_int16_t ev_event; /* type of async event */
+ u_int32_t ev_bus; /* bus */
+ u_int32_t ev_event; /* type of async event */
} tmd_event_t;
/*
@@ -177,68 +177,89 @@ typedef struct {
* The tag cd_error is to communicate between the MD layer and outer software
* the current error conditions.
*
- * The tag cd_reserved pads out the structure to 128 bytes. The first
- * half of the pad area is reserved to the MD layer, and the second half
- * may be used by outer layers, for scratch purposes.
+ * The tag cd_lreserved, cd_hreserved are scratch areas for use for the MD
+ * and outer layers respectively.
+ *
*/
-#ifndef _LP64
-#if defined(__alpha__) || defined(__sparcv9cpu) || defined(__sparc_v9__) ||\
- defined(__ia64__)
-#define _LP64
-#endif
-#endif
-
-#ifndef _TMD_PAD_LEN
-#ifdef _LP64
-#define _TMD_PAD_LEN 12
-#else
-#define _TMD_PAD_LEN 24
+#ifndef TMD_CDBLEN
+#define TMD_CDBLEN 16
#endif
+#ifndef TMD_SENSELEN
+#define TMD_SENSELEN 24
#endif
-#ifndef ATIO_CDBLEN
-#define ATIO_CDBLEN 26
-#endif
-#ifndef QLTM_SENSELEN
-#define QLTM_SENSELEN 18
+#ifndef QCDS
+#define QCDS 8
#endif
+
typedef struct tmd_cmd {
- void * cd_private; /* layer private data */
+ void * cd_private; /* private data pointer */
void * cd_hba; /* HBA tag */
void * cd_data; /* 'pointer' to data */
u_int64_t cd_iid; /* initiator ID */
u_int64_t cd_tgt; /* target id */
u_int64_t cd_lun; /* logical unit */
- u_int8_t cd_bus; /* bus */
- u_int8_t cd_tagtype; /* tag type */
u_int32_t cd_tagval; /* tag value */
- u_int8_t cd_cdb[ATIO_CDBLEN]; /* Command */
- u_int8_t cd_lflags; /* flags lower level sets */
- u_int8_t cd_hflags; /* flags higher level sets */
+ u_int32_t cd_lflags; /* flags lower level sets */
+ u_int32_t cd_hflags; /* flags higher level sets */
u_int32_t cd_totlen; /* total data requirement */
u_int32_t cd_resid; /* total data residual */
u_int32_t cd_xfrlen; /* current data requirement */
int32_t cd_error; /* current error */
- u_int8_t cd_sense[QLTM_SENSELEN];
- u_int16_t cd_scsi_status; /* closing SCSI status */
- u_int8_t cd_reserved[_TMD_PAD_LEN];
+ u_int32_t
+ cd_scsi_status : 16, /* closing SCSI status */
+ : 7,
+ cd_chan : 1, /* channel on card */
+ : 2,
+ cd_tagtype : 6; /* tag type */
+ u_int8_t cd_senselen;
+ u_int8_t cd_cdblen;
+ u_int8_t cd_sense[TMD_SENSELEN];
+ u_int8_t cd_cdb[TMD_CDBLEN]; /* Command */
+ union {
+ void * ptrs[QCDS / sizeof (void *)];
+ u_int64_t llongs[QCDS / sizeof (u_int64_t)];
+ u_int32_t longs[QCDS / sizeof (u_int32_t)];
+ u_int16_t shorts[QCDS / sizeof (u_int16_t)];
+ u_int8_t bytes[QCDS];
+ } cd_lreserved[2], cd_hreserved[2];
} tmd_cmd_t;
-#define CDFL_SNSVALID 0x01 /* sense data (from f/w) valid */
-#define CDFL_NODISC 0x02 /* disconnects disabled */
-#define CDFL_SENTSENSE 0x04 /* last action sent sense data */
-#define CDFL_SENTSTATUS 0x08 /* last action sent status */
+#ifndef TMD_SIZE
+#define TMD_SIZE (sizeof (tmd_cmd_t))
+#endif
+
+/*
+ * Note that NODISC (obviously) doesn't apply to non-SPI transport.
+ *
+ * Note that knowing the data direction and lengh at the time of receipt of
+ * a command from the initiator is a feature only of Fibre Channel.
+ *
+ * The CDFL_BIDIR is in anticipation of the adoption of some newer
+ * features required by OSD.
+ *
+ * The principle selector for MD layer to know whether data is to
+ * be transferred in any QOUT_TMD_CONT call is cd_xfrlen- the
+ * flags CDFH_DATA_IN and CDFH_DATA_OUT define which direction.
+ */
+#define CDFL_SNSVALID 0x01 /* sense data (from f/w) good */
+#define CDFL_SENTSTATUS 0x02 /* last action sent status */
+#define CDFL_DATA_IN 0x04 /* target (us) -> initiator (them) */
+#define CDFL_DATA_OUT 0x08 /* initiator (them) -> target (us) */
+#define CDFL_BIDIR 0x0C /* bidirectional data */
#define CDFL_ERROR 0x10 /* last action ended in error */
-#define CDFL_BUSY 0x40 /* this command is not on a free list */
-#define CDFL_PRIVATE_0 0x80 /* private layer flags */
+#define CDFL_NODISC 0x20 /* disconnects disabled */
+#define CDFL_SENTSENSE 0x40 /* last action sent sense data */
+#define CDFL_BUSY 0x80 /* this command is not on a free list */
+#define CDFL_PRIVATE 0xFF000000 /* private layer flags */
-#define CDFH_SNSVALID 0x01 /* sense data valid */
+#define CDFH_SNSVALID 0x01 /* sense data (from outer layer) good */
#define CDFH_STSVALID 0x02 /* status valid */
-#define CDFH_NODATA 0x00 /* no data transfer expected */
#define CDFH_DATA_IN 0x04 /* target (us) -> initiator (them) */
#define CDFH_DATA_OUT 0x08 /* initiator (them) -> target (us) */
#define CDFH_DATA_MASK 0x0C /* mask to cover data direction */
-#define CDFH_PRIVATE_0 0x80 /* private layer flags */
+#define CDFH_PRIVATE 0xFF000000 /* private layer flags */
+
/*
* Action codes set by the Qlogic MD target driver for
@@ -246,10 +267,13 @@ typedef struct tmd_cmd {
*/
typedef enum {
QOUT_HBA_REG=0, /* the argument is a pointer to a hba_register_t */
+ QOUT_ENABLE, /* the argument is a pointer to a enadis_t */
+ QOUT_DISABLE, /* the argument is a pointer to a enadis_t */
QOUT_TMD_START, /* the argument is a pointer to a tmd_cmd_t */
QOUT_TMD_DONE, /* the argument is a pointer to a tmd_cmd_t */
QOUT_TEVENT, /* the argument is a pointer to a tmd_event_t */
QOUT_TMSG, /* the argument is a pointer to a tmd_msg_t */
+ QOUT_IOCTL, /* the argument is a pointer to a ioctl_cmd_t */
QOUT_HBA_UNREG /* the argument is a pointer to a hba_register_t */
} tact_e;
@@ -258,14 +282,16 @@ typedef enum {
* MD Qlogic driver to figure out what to do with.
*/
typedef enum {
- QIN_HBA_REG=6, /* the argument is a pointer to a hba_register_t */
- QIN_ENABLE, /* the argument is a pointer to a tmd_cmd_t */
- QIN_DISABLE, /* the argument is a pointer to a tmd_cmd_t */
+ QIN_HBA_REG=99, /* the argument is a pointer to a hba_register_t */
+ QIN_ENABLE, /* the argument is a pointer to a enadis_t */
+ QIN_DISABLE, /* the argument is a pointer to a enadis_t */
QIN_TMD_CONT, /* the argument is a pointer to a tmd_cmd_t */
- QIN_TMD_FIN, /* the argument is a pointer to a done tmd_cmd_t */
- QIN_HBA_UNREG /* the argument is a pointer to a hba_register_t */
+ QIN_TMD_FIN, /* the argument is a pointer to a tmd_cmd_t */
+ QIN_IOCTL, /* the argument is a pointer to a ioctl_cmd_t */
+ QIN_HBA_UNREG, /* the argument is a pointer to a hba_register_t */
} qact_e;
+
/*
* A word about the START/CONT/DONE/FIN dance:
*
@@ -294,26 +320,23 @@ typedef enum {
*/
/*
- * A word about ENABLE/DISABLE: the argument is a pointer to a tmd_cmd_t
- * with cd_hba, cd_bus, cd_tgt and cd_lun filled out. If an error occurs
- * in either enabling or disabling the described lun, cd_lflags is set
- * with CDFL_ERROR.
+ * A word about ENABLE/DISABLE: the argument is a pointer to a enadis_t
+ * with cd_hba, cd_iid, cd_chan, cd_tgt and cd_lun filled out.
*
- * Logical unit zero must be the first enabled and the last disabled.
- */
-
-/*
- * Target handler functions.
- * The MD target handler function (the outer layer calls this)
- * should be be prototyped like:
- *
- * void target_action(qact_e, void *arg)
- *
- * The outer layer target handler function (the MD layer calls this)
- * should be be prototyped like:
+ * If an error occurs in either enabling or disabling the described lun
+ * cd_error is set with an appropriate non-zero value.
*
- * void system_action(tact_e, void *arg)
+ * Logical unit zero must be the first enabled and the last disabled.
*/
+typedef struct {
+ void * cd_private; /* for outer layer usage */
+ void * cd_hba; /* HBA tag */
+ u_int64_t cd_iid; /* initiator ID */
+ u_int64_t cd_tgt; /* target id */
+ u_int64_t cd_lun; /* logical unit */
+ u_int8_t cd_chan; /* channel on card */
+ int32_t cd_error;
+} enadis_t;
/*
* This structure is used to register to other software modules the
@@ -325,11 +348,54 @@ typedef enum {
* in, and the external module to call back with a QIN_HBA_REG that
* passes back the corresponding information.
*/
+#define QR_VERSION 1
typedef struct {
void * r_identity;
+ void (*r_action)(qact_e, void *);
char r_name[8];
int r_inst;
- int r_lunwidth;
- int r_buswidth;
- void (*r_action)(int, void *);
+ int r_version;
+ enum { R_FC, R_SCSI } r_type;
} hba_register_t;
+
+/*
+ * This structure is used to pass an encapsulated ioctl through to the
+ * MD layer. In many implementations it's often convenient to open just
+ * one device, but actions you want to take need to be taken on the
+ * underlying HBA. Rather than invent a separate protocol for each action,
+ * an ioctl passthrough seems simpler.
+ *
+ * In order to avoid cross domain copy problems, though, the caller will
+ * be responsible for allocating and providing a staging area for all ioctl
+ * related data. This, unavoidably, requires some ioctl decode capability
+ * in the outer layer code.`
+ *
+ * And also, albeit being cheesy, we'll define a few internal ioctls here.
+ */
+typedef struct {
+ void * i_identity; /* HBA tag */
+ void * i_syncptr; /* synchronization pointer */
+ int i_cmd; /* ioctl command */
+ void * i_arg; /* ioctl argument area */
+ int i_errno; /* ioctl error return */
+} ioctl_cmd_t;
+
+#define QI_IOC ('Q' << 8)
+#define QI_SCSI_TINI QI_IOC|0
+#define QI_SCSI_CMD QI_IOC|1
+#define QI_WWPN_XLT QI_IOC|2
+
+/*
+ * Target handler functions.
+ *
+ * The MD target handler function (the outer layer calls this)
+ * should be be prototyped like:
+ *
+ * void target_action(qact_e, void *arg)
+ *
+ * The outer layer target handler function (the MD layer calls this)
+ * should be be prototyped like:
+ *
+ * void system_target_handler(tact_e, void *arg)
+ */
+
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