Index: multipath-tools-0.4.7/libcheckers/Makefile
===================================================================
--- multipath-tools-0.4.7.orig/libcheckers/Makefile 2007-03-02 18:42:00.000000000 -0800
+++ multipath-tools-0.4.7/libcheckers/Makefile 2007-03-02 18:42:19.000000000 -0800
@@ -6,7 +6,7 @@
include ../Makefile.inc
-OBJS = checkers.o readsector0.o tur.o directio.o emc_clariion.o hp_sw.o
+OBJS = checkers.o readsector0.o tur.o directio.o emc_clariion.o hp_sw.o rdac.o
all: $(BUILD)
Index: multipath-tools-0.4.7/libcheckers/rdac.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ multipath-tools-0.4.7/libcheckers/rdac.c 2007-03-20 14:43:38.000000000 -0700
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2005 Christophe Varoqui
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+
+#include "checkers.h"
+
+#include "../libmultipath/sg_include.h"
+
+#define INQUIRY_CMDLEN 6
+#define INQUIRY_CMD 0x12
+#define SENSE_BUFF_LEN 32
+#define DEF_TIMEOUT 60000
+#define SCSI_CHECK_CONDITION 0x2
+#define SCSI_COMMAND_TERMINATED 0x22
+#define SG_ERR_DRIVER_SENSE 0x08
+#define RECOVERED_ERROR 0x01
+
+#define MSG_RDAC_UP "rdac checker reports path is up"
+#define MSG_RDAC_DOWN "rdac checker reports path is down"
+#define MSG_RDAC_GHOST "rdac checker reports path is ghost"
+
+struct rdac_checker_context {
+ void * dummy;
+};
+
+int rdac_init (struct checker * c)
+{
+ return 0;
+}
+
+void rdac_free (struct checker * c)
+{
+ return;
+}
+
+static int
+do_inq(int sg_fd, unsigned int pg_op, void *resp, int mx_resp_len)
+{
+ unsigned char inqCmdBlk[INQUIRY_CMDLEN] = { INQUIRY_CMD, 1, 0, 0, 0, 0 };
+ unsigned char sense_b[SENSE_BUFF_LEN];
+ struct sg_io_hdr io_hdr;
+
+ inqCmdBlk[2] = (unsigned char) pg_op;
+ inqCmdBlk[4] = (unsigned char) (mx_resp_len & 0xff);
+ memset(&io_hdr, 0, sizeof (struct sg_io_hdr));
+
+ io_hdr.interface_id = 'S';
+ io_hdr.cmd_len = sizeof (inqCmdBlk);
+ io_hdr.mx_sb_len = sizeof (sense_b);
+ io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
+ io_hdr.dxfer_len = mx_resp_len;
+ io_hdr.dxferp = resp;
+ io_hdr.cmdp = inqCmdBlk;
+ io_hdr.sbp = sense_b;
+ io_hdr.timeout = DEF_TIMEOUT;
+
+ if (ioctl(sg_fd, SG_IO, &io_hdr) < 0)
+ return 1;
+
+ /* treat SG_ERR here to get rid of sg_err.[ch] */
+ io_hdr.status &= 0x7e;
+ if ((0 == io_hdr.status) && (0 == io_hdr.host_status) &&
+ (0 == io_hdr.driver_status))
+ return 0;
+ if ((SCSI_CHECK_CONDITION == io_hdr.status) ||
+ (SCSI_COMMAND_TERMINATED == io_hdr.status) ||
+ (SG_ERR_DRIVER_SENSE == (0xf & io_hdr.driver_status))) {
+ if (io_hdr.sbp && (io_hdr.sb_len_wr > 2)) {
+ int sense_key;
+ unsigned char * sense_buffer = io_hdr.sbp;
+ if (sense_buffer[0] & 0x2)
+ sense_key = sense_buffer[1] & 0xf;
+ else
+ sense_key = sense_buffer[2] & 0xf;
+ if (RECOVERED_ERROR == sense_key)
+ return 0;
+ }
+ }
+ return 1;
+}
+
+struct volume_access_inq
+{
+ char dontcare0[8];
+ char avtcvp;
+ char dontcare1[39];
+};
+
+extern int
+rdac(struct checker * c)
+{
+ struct volume_access_inq inq;
+
+ if (0 != do_inq(c->fd, 0xC9, &inq, sizeof(struct volume_access_inq))) {
+ MSG(c, MSG_RDAC_DOWN);
+ return PATH_DOWN;
+ }
+
+ return ((inq.avtcvp & 0x1) ? PATH_UP : PATH_GHOST);
+}
Index: multipath-tools-0.4.7/libcheckers/checkers.c
===================================================================
--- multipath-tools-0.4.7.orig/libcheckers/checkers.c 2006-03-13 03:07:45.000000000 -0800
+++ multipath-tools-0.4.7/libcheckers/checkers.c 2007-03-20 14:44:56.000000000 -0700
@@ -7,6 +7,7 @@
#include "tur.h"
#include "hp_sw.h"
#include "emc_clariion.h"
+#include "rdac.h"
#include "readsector0.h"
static struct checker checkers[] = {
@@ -48,6 +49,15 @@
},
{
.fd = 0,
+ .name = RDAC,
+ .message = "",
+ .context = NULL,
+ .check = rdac,
+ .init = rdac_init,
+ .free = rdac_free
+ },
+ {
+ .fd = 0,
.name = READSECTOR0,
.message = "",
.context = NULL,
Index: multipath-tools-0.4.7/libcheckers/rdac.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ multipath-tools-0.4.7/libcheckers/rdac.h 2007-03-20 14:43:58.000000000 -0700
@@ -0,0 +1,8 @@
+#ifndef _RDAC_H
+#define _RDAC_H
+
+int rdac(struct checker *);
+int rdac_init(struct checker *);
+void rdac_free(struct checker *);
+
+#endif /* _RDAC_H */
Index: multipath-tools-0.4.7/libcheckers/checkers.h
===================================================================
--- multipath-tools-0.4.7.orig/libcheckers/checkers.h 2006-03-13 03:07:45.000000000 -0800
+++ multipath-tools-0.4.7/libcheckers/checkers.h 2007-03-02 18:50:48.000000000 -0800
@@ -14,6 +14,7 @@
#define DIRECTIO "directio"
#define TUR "tur"
#define HP_SW "hp_sw"
+#define RDAC "rdac"
#define EMC_CLARIION "emc_clariion"
#define READSECTOR0 "readsector0"
--
----------------------------------------------------------------------
Chandra Seetharaman | Be careful what you choose....
- sekharan@xxxxxxxxxx | .......you may get it.
----------------------------------------------------------------------
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