git: efb77950fdd6 - main - dtrace: Add definitiosn for the cam dtrace provider
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Date: Thu, 08 Jan 2026 06:24:37 UTC
The branch main has been updated by imp:
URL: https://cgit.FreeBSD.org/src/commit/?id=efb77950fdd6fb03dc172a44b3875948609b7804
commit efb77950fdd6fb03dc172a44b3875948609b7804
Author: Warner Losh <imp@FreeBSD.org>
AuthorDate: 2026-01-08 06:20:28 +0000
Commit: Warner Losh <imp@FreeBSD.org>
CommitDate: 2026-01-08 06:20:28 +0000
dtrace: Add definitiosn for the cam dtrace provider
Sponsored by: Netflix
Reviewed by: adrian
Differential Revision: https://reviews.freebsd.org/D54471
---
cddl/lib/libdtrace/Makefile | 3 +-
cddl/lib/libdtrace/cam.d | 194 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 196 insertions(+), 1 deletion(-)
diff --git a/cddl/lib/libdtrace/Makefile b/cddl/lib/libdtrace/Makefile
index 0742d0b5cd5a..fbc6d5fbbec2 100644
--- a/cddl/lib/libdtrace/Makefile
+++ b/cddl/lib/libdtrace/Makefile
@@ -51,7 +51,8 @@ SRCS= dt_aggregate.c \
dt_xlator.c \
gmatch.c
-DSRCS= errno.d \
+DSRCS= cam.d \
+ errno.d \
io.d \
ip.d \
psinfo.d \
diff --git a/cddl/lib/libdtrace/cam.d b/cddl/lib/libdtrace/cam.d
new file mode 100644
index 000000000000..b31661b0ff42
--- /dev/null
+++ b/cddl/lib/libdtrace/cam.d
@@ -0,0 +1,194 @@
+/*-
+ * Copyrtight (c) 2026 Netflix, Inc
+ *
+ * SPDX-License-Expression: BSD-2-Clause
+ */
+
+inline string xpt_action_string[int key] =
+ key == 0 ? "XPT_NOOP" :
+ key == 1 ? "XPT_SCSI_IO" :
+ key == 2 ? "XPT_GDEV_TYPE" :
+ key == 3 ? "XPT_GDEVLIST" :
+ key == 4 ? "XPT_PATH_INQ" :
+ key == 5 ? "XPT_REL_SIMQ" :
+ key == 6 ? "XPT_SASYNC_CB" :
+ key == 7 ? "XPT_SDEV_TYPE" :
+ key == 8 ? "XPT_SCAN_BUS" :
+ key == 9 ? "XPT_DEV_MATCH" :
+ key == 10 ? "XPT_DEBUG" :
+ key == 11 ? "XPT_PATH_STATS" :
+ key == 12 ? "XPT_GDEV_STATS" :
+ key == 13 ? "XPT_0X0d" :
+ key == 14 ? "XPT_DEV_ADVINFO" :
+ key == 15 ? "XPT_ASYNC" :
+ key == 16 ? "XPT_ABORT" :
+ key == 17 ? "XPT_RESET_BUS" :
+ key == 18 ? "XPT_RESET_DEV" :
+ key == 19 ? "XPT_TERM_IO" :
+ key == 20 ? "XPT_SCAN_LUN" :
+ key == 21 ? "XPT_GET_TRAN_SETTINGS" :
+ key == 22 ? "XPT_SET_TRAN_SETTINGS" :
+ key == 23 ? "XPT_CALC_GEOMETRY" :
+ key == 24 ? "XPT_ATA_IO" :
+ key == 25 ? "XPT_SET_SIM_KNOB" :
+ key == 26 ? "XPT_GET_SIM_KNOB" :
+ key == 27 ? "XPT_SMP_IO" :
+ key == 28 ? "XPT_NVME_IO" :
+ key == 29 ? "XPT_MMC_IO" :
+ key == 30 ? "XPT_SCAN_TGT" :
+ key == 31 ? "XPT_NVME_ADMIN" :
+ "Too big" ;
+
+inline string xpt_async_string[int key] =
+ key == 0x1 ? "AC_BUS_RESET" :
+ key == 0x2 ? "AC_UNSOL_RESEL" :
+ key == 0x4 ? "AC_0x4" :
+ key == 0x8 ? "AC_SENT_AEN" :
+ key == 0x10 ? "AC_SENT_BDR" :
+ key == 0x20 ? "AC_PATH_REGISTERED" :
+ key == 0x40 ? "AC_PATH_DEREGISTERED" :
+ key == 0x80 ? "AC_FOUND_DEVICE" :
+ key == 0x100 ? "AC_LOST_DEVICE" :
+ key == 0x200 ? "AC_TRANSFER_NEG" :
+ key == 0x400 ? "AC_INQ_CHANGED" :
+ key == 0x800 ? "AC_GETDEV_CHANGED" :
+ key == 0x1000 ? "AC_CONTRACT" :
+ key == 0x2000 ? "AC_ADVINFO_CHANGED" :
+ key == 0x4000 ? "AC_UNIT_ATTENTION" :
+ "AC UNKNOWN";
+
+
+inline int CAM_CDB_POINTER = 1;
+
+inline int XPT_OP_MASK = 0xff;
+inline int XPT_NOOP = 0x00;
+inline int XPT_SCSI_IO = 0x01;
+inline int XPT_GDEV_TYPE = 0x02;
+inline int XPT_GDEVLIST = 0x03;
+inline int XPT_PATH_INQ = 0x04;
+inline int XPT_REL_SIMQ = 0x05;
+inline int XPT_SASYNC_CB = 0x06;
+inline int XPT_SDEV_TYPE = 0x07;
+inline int XPT_SCAN_BUS = 0x08;
+inline int XPT_DEV_MATCH = 0x09;
+inline int XPT_DEBUG = 0x0a;
+inline int XPT_PATH_STATS = 0x0b;
+inline int XPT_GDEV_STATS = 0x0c;
+inline int XPT_DEV_ADVINFO = 0x0e;
+inline int XPT_ASYNC = 0x0f;
+inline int XPT_ABORT = 0x10;
+inline int XPT_RESET_BUS = 0x11;
+inline int XPT_RESET_DEV = 0x12;
+inline int XPT_TERM_IO = 0x13;
+inline int XPT_SCAN_LUN = 0x14;
+inline int XPT_GET_TRAN_SETTINGS = 0x15;
+inline int XPT_SET_TRAN_SETTINGS = 0x16;
+inline int XPT_CALC_GEOMETRY = 0x17;
+inline int XPT_ATA_IO = 0x18;
+inline int XPT_SET_SIM_KNOB = 0x19;
+inline int XPT_GET_SIM_KNOB = 0x1a;
+inline int XPT_SMP_IO = 0x1b;
+inline int XPT_NVME_IO = 0x1c;
+inline int XPT_MMC_IO = 0x1c;
+inline int XPT_SCAN_TGT = 0x1e;
+inline int XPT_NVME_ADMIN = 0x1f;
+inline int XPT_ENG_INQ = 0x20;
+inline int XPT_ENG_EXEC = 0x21;
+inline int XPT_EN_LUN = 0x30;
+inline int XPT_TARGET_IO = 0x31;
+inline int XPT_ACCEPT_TARGET_IO = 0x32;
+inline int XPT_CONT_TARGET_IO = 0x33;
+inline int XPT_IMMED_NOTIFY = 0x34;
+inline int XPT_NOTIFY_ACK = 0x35;
+inline int XPT_IMMEDIATE_NOTIFY = 0x36;
+inline int XPT_NOTIFY_ACKNOWLEDGE = 0x37;
+inline int XPT_REPROBE_LUN = 0x38;
+inline int XPT_MMC_SET_TRAN_SETTINGS = 0x40;
+inline int XPT_MMC_GET_TRAN_SETTINGS = 0x41;
+
+inline int XPT_FC_QUEUED = 0x100;
+inline int XPT_FC_USER_CCB = 0x200;
+inline int XPT_FC_XPT_ONLY = 0x400;
+inline int XPT_FC_DEV_QUEUED = 0x800;
+
+inline int PROTO_UNKNOWN = 0;
+inline int PROTO_UNSPECIFIED = 1;
+inline int PROTO_SCSI = 2;
+inline int PROTO_ATA = 3;
+inline int PROTO_ATAPI = 4;
+inline int PROTO_SATAPM = 5;
+inline int PROTO_SEMB = 6;
+inline int PROTO_NVME = 7;
+inline int PROTO_MMCSD = 8;
+
+inline int XPORT_UNKNOWN = 0;
+inline int XPORT_UNSPECIFIED = 1;
+inline int XPORT_SPI = 2;
+inline int XPORT_FC = 3;
+inline int XPORT_SSA = 4;
+inline int XPORT_USB = 5;
+inline int XPORT_PPB = 6;
+inline int XPORT_ATA = 7;
+inline int XPORT_SAS = 8;
+inline int XPORT_SATA = 9;
+inline int XPORT_ISCSI = 10;
+inline int XPORT_SRP = 11;
+inline int XPORT_NVME = 12;
+inline int XPORT_MMCSD = 13;
+inline int XPORT_NVMF = 14;
+inline int XPORT_UFSHCI = 15;
+
+inline int CAM_REQ_INPROG = 0x00;
+inline int CAM_REQ_CMP = 0x01;
+inline int CAM_REQ_ABORTED = 0x02;
+inline int CAM_UA_ABORT = 0x03;
+inline int CAM_REQ_CMP_ERR = 0x04;
+inline int CAM_BUSY = 0x05;
+inline int CAM_REQ_INVALID = 0x06;
+inline int CAM_PATH_INVALID = 0x07;
+inline int CAM_DEV_NOT_THERE = 0x08;
+inline int CAM_UA_TERMIO = 0x09;
+inline int CAM_SEL_TIMEOUT = 0x0a;
+inline int CAM_CMD_TIMEOUT = 0x0b;
+inline int CAM_SCSI_STATUS_ERROR = 0x0c;
+inline int CAM_MSG_REJECT_REC = 0x0d;
+inline int CAM_SCSI_BUS_RESET = 0x0e;
+inline int CAM_UNCOR_PARITY = 0x0f;
+inline int CAM_AUTOSENSE_FAIL = 0x10;
+inline int CAM_NO_HBA = 0x11;
+inline int CAM_DATA_RUN_ERR = 0x12;
+inline int CAM_UNEXP_BUSFREE = 0x13;
+inline int CAM_SEQUENCE_FAIL = 0x14;
+inline int CAM_CCB_LEN_ERR = 0x15;
+inline int CAM_PROVIDE_FAIL = 0x16;
+inline int CAM_BDR_SENT = 0x17;
+inline int CAM_REQ_TERMIO = 0x18;
+inline int CAM_UNREC_HBA_ERROR = 0x19;
+inline int CAM_REQ_TOO_BIG = 0x1a;
+inline int CAM_REQUEUE_REQ = 0x1b;
+inline int CAM_ATA_STATUS_ERROR = 0x1c;
+inline int CAM_SCSI_IT_NEXUS_LOST = 0x1d;
+inline int CAM_SMP_STATUS_ERROR = 0x1e;
+inline int CAM_REQ_SOFTTIMEOUT = 0x1f;
+inline int CAM_NVME_STATUS_ERROR = 0x20;
+inline int CAM_IDE = 0x33;
+inline int CAM_RESRC_UNAVAIL = 0x34;
+inline int CAM_UNACKED_EVENT = 0x35;
+inline int CAM_MESSAGE_RECV = 0x36;
+inline int CAM_INVALID_CDB = 0x37;
+inline int CAM_LUN_INVALID = 0x38;
+inline int CAM_TID_INVALID = 0x39;
+inline int CAM_FUNC_NOTAVAIL = 0x3a;
+inline int CAM_NO_NEXUS = 0x3b;
+inline int CAM_IID_INVALID = 0x3c;
+inline int CAM_CDB_RECVD = 0x3d;
+inline int CAM_LUN_ALRDY_ENA = 0x3e;
+inline int CAM_SCSI_BUSY = 0x3f;
+
+inline int CAM_DEV_QFRZN = 0x40;
+inline int CAM_AUTOSNS_VALID = 0x80;
+inline int CAM_RELEASE_SIMQ = 0x100;
+inline int CAM_SIM_QUEUED = 0x200;
+inline int CAM_QOS_VALID = 0x400;
+inline int CAM_STATUS_MASK = 0x3F;
+inline int CAM_SENT_SENSE = 0x40000000;