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Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

Browse source 
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (40 commits)
  [SCSI] jazz_esp, sgiwd93, sni_53c710, sun3x_esp: fix platform driver hotplug/coldplug
  [SCSI] aic7xxx: add const
  [SCSI] aic7xxx: add static
  [SCSI] aic7xxx: Update _shipped files
  [SCSI] aic7xxx: teach aicasm to not emit unused debug code/data
  [SCSI] qla2xxx: Update version number to 8.02.01-k2.
  [SCSI] qla2xxx: Correct regression in relogin code.
  [SCSI] qla2xxx: Correct misc. endian and byte-ordering issues.
  [SCSI] qla2xxx: make qla2x00_issue_iocb_timeout() static
  [SCSI] qla2xxx: qla_os.c, make 2 functions static
  [SCSI] qla2xxx: Re-register FDMI information after a LIP.
  [SCSI] qla2xxx: Correct SRB usage-after-completion/free issues.
  [SCSI] qla2xxx: Correct ISP84XX verify-chip response handling.
  [SCSI] qla2xxx: Wakeup DPC thread to process any deferred-work requests.
  [SCSI] qla2xxx: Collapse RISC-RAM retrieval code during a firmware-dump.
  [SCSI] m68k: new mac_esp scsi driver
  [SCSI] zfcp: Add some statistics provided by the FCP adapter to the sysfs
  [SCSI] zfcp: Print some messages only during ERP
  [SCSI] zfcp: Wait for free SBAL during exchange config
  [SCSI] scsi_transport_fc: fc_user_scan correction
  ...
This commit is contained in:
Linus Torvalds 2008-04-27 11:25:00 -07:00
commit 064922a805
74 changed files with 4060 additions and 5145 deletions
Download patch file Download diff file Expand all files Collapse all files

39
drivers/s390/scsi/zfcp_fsf.c
View file

@ -1927,7 +1927,8 @@ zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter,
/* setup new FSF request */
retval = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_CONFIG_DATA,
0, NULL, &lock_flags, &fsf_req);
ZFCP_WAIT_FOR_SBAL, NULL, &lock_flags,
&fsf_req);
if (retval) {
ZFCP_LOG_INFO("error: Could not create exchange configuration "
"data request for adapter %s.\n",
@ -2035,21 +2036,21 @@ zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *fsf_req, int xchg_ok)
min(FC_SERIAL_NUMBER_SIZE, 17));
}
ZFCP_LOG_NORMAL("The adapter %s reported the following "
"characteristics:\n"
"WWNN 0x%016Lx, "
"WWPN 0x%016Lx, "
"S_ID 0x%06x,\n"
"adapter version 0x%x, "
"LIC version 0x%x, "
"FC link speed %d Gb/s\n",
zfcp_get_busid_by_adapter(adapter),
(wwn_t) fc_host_node_name(shost),
(wwn_t) fc_host_port_name(shost),
fc_host_port_id(shost),
adapter->hydra_version,
adapter->fsf_lic_version,
fc_host_speed(shost));
if (fsf_req->erp_action)
ZFCP_LOG_NORMAL("The adapter %s reported the following "
"characteristics:\n"
"WWNN 0x%016Lx, WWPN 0x%016Lx, "
"S_ID 0x%06x,\n"
"adapter version 0x%x, "
"LIC version 0x%x, "
"FC link speed %d Gb/s\n",
zfcp_get_busid_by_adapter(adapter),
(wwn_t) fc_host_node_name(shost),
(wwn_t) fc_host_port_name(shost),
fc_host_port_id(shost),
adapter->hydra_version,
adapter->fsf_lic_version,
fc_host_speed(shost));
if (ZFCP_QTCB_VERSION < bottom->low_qtcb_version) {
ZFCP_LOG_NORMAL("error: the adapter %s "
"only supports newer control block "
@ -2114,8 +2115,10 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
zfcp_erp_adapter_shutdown(adapter, 0, 127, fsf_req);
return -EIO;
case FC_PORTTYPE_NPORT:
ZFCP_LOG_NORMAL("Switched fabric fibrechannel "
"network detected at adapter %s.\n",
if (fsf_req->erp_action)
ZFCP_LOG_NORMAL("Switched fabric fibrechannel "
"network detected at adapter "
"%s.\n",
zfcp_get_busid_by_adapter(adapter));
break;
default:

18
drivers/s390/scsi/zfcp_fsf.h
View file

@ -213,6 +213,7 @@
#define FSF_FEATURE_HBAAPI_MANAGEMENT 0x00000010
#define FSF_FEATURE_ELS_CT_CHAINED_SBALS 0x00000020
#define FSF_FEATURE_UPDATE_ALERT 0x00000100
#define FSF_FEATURE_MEASUREMENT_DATA 0x00000200
/* host connection features */
#define FSF_FEATURE_NPIV_MODE 0x00000001
@ -340,6 +341,15 @@ struct fsf_qtcb_prefix {
u8 res1[20];
} __attribute__ ((packed));
struct fsf_statistics_info {
u64 input_req;
u64 output_req;
u64 control_req;
u64 input_mb;
u64 output_mb;
u64 seconds_act;
} __attribute__ ((packed));
union fsf_status_qual {
u8 byte[FSF_STATUS_QUALIFIER_SIZE];
u16 halfword[FSF_STATUS_QUALIFIER_SIZE / sizeof (u16)];
@ -436,7 +446,8 @@ struct fsf_qtcb_bottom_config {
u32 hardware_version;
u8 serial_number[32];
struct fsf_nport_serv_param plogi_payload;
u8 res4[160];
struct fsf_statistics_info stat_info;
u8 res4[112];
} __attribute__ ((packed));
struct fsf_qtcb_bottom_port {
@ -469,7 +480,10 @@ struct fsf_qtcb_bottom_port {
u64 control_requests;
u64 input_mb; /* where 1 MByte == 1.000.000 Bytes */
u64 output_mb; /* where 1 MByte == 1.000.000 Bytes */
u8 res2[256];
u8 cp_util;
u8 cb_util;
u8 a_util;
u8 res2[253];
} __attribute__ ((packed));
union fsf_qtcb_bottom {

114
drivers/s390/scsi/zfcp_scsi.c
View file

@ -40,6 +40,7 @@ static struct zfcp_unit *zfcp_unit_lookup(struct zfcp_adapter *, int,
unsigned int, unsigned int);
static struct device_attribute *zfcp_sysfs_sdev_attrs[];
static struct device_attribute *zfcp_a_stats_attrs[];
struct zfcp_data zfcp_data = {
.scsi_host_template = {
@ -61,6 +62,7 @@ struct zfcp_data zfcp_data = {
.use_clustering = 1,
.sdev_attrs = zfcp_sysfs_sdev_attrs,
.max_sectors = ZFCP_MAX_SECTORS,
.shost_attrs = zfcp_a_stats_attrs,
},
.driver_version = ZFCP_VERSION,
};
@ -809,4 +811,116 @@ static struct device_attribute *zfcp_sysfs_sdev_attrs[] = {
NULL
};
static ssize_t zfcp_sysfs_adapter_util_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *scsi_host = dev_to_shost(dev);
struct fsf_qtcb_bottom_port *qtcb_port;
int retval;
struct zfcp_adapter *adapter;
adapter = (struct zfcp_adapter *) scsi_host->hostdata[0];
if (!(adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA))
return -EOPNOTSUPP;
qtcb_port = kzalloc(sizeof(struct fsf_qtcb_bottom_port), GFP_KERNEL);
if (!qtcb_port)
return -ENOMEM;
retval = zfcp_fsf_exchange_port_data_sync(adapter, qtcb_port);
if (!retval)
retval = sprintf(buf, "%u %u %u\n", qtcb_port->cp_util,
qtcb_port->cb_util, qtcb_port->a_util);
kfree(qtcb_port);
return retval;
}
static int zfcp_sysfs_adapter_ex_config(struct device *dev,
struct fsf_statistics_info *stat_inf)
{
int retval;
struct fsf_qtcb_bottom_config *qtcb_config;
struct Scsi_Host *scsi_host = dev_to_shost(dev);
struct zfcp_adapter *adapter;
adapter = (struct zfcp_adapter *) scsi_host->hostdata[0];
if (!(adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA))
return -EOPNOTSUPP;
qtcb_config = kzalloc(sizeof(struct fsf_qtcb_bottom_config),
GFP_KERNEL);
if (!qtcb_config)
return -ENOMEM;
retval = zfcp_fsf_exchange_config_data_sync(adapter, qtcb_config);
if (!retval)
*stat_inf = qtcb_config->stat_info;
kfree(qtcb_config);
return retval;
}
static ssize_t zfcp_sysfs_adapter_request_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct fsf_statistics_info stat_info;
int retval;
retval = zfcp_sysfs_adapter_ex_config(dev, &stat_info);
if (retval)
return retval;
return sprintf(buf, "%llu %llu %llu\n",
(unsigned long long) stat_info.input_req,
(unsigned long long) stat_info.output_req,
(unsigned long long) stat_info.control_req);
}
static ssize_t zfcp_sysfs_adapter_mb_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct fsf_statistics_info stat_info;
int retval;
retval = zfcp_sysfs_adapter_ex_config(dev, &stat_info);
if (retval)
return retval;
return sprintf(buf, "%llu %llu\n",
(unsigned long long) stat_info.input_mb,
(unsigned long long) stat_info.output_mb);
}
static ssize_t zfcp_sysfs_adapter_sec_active_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct fsf_statistics_info stat_info;
int retval;
retval = zfcp_sysfs_adapter_ex_config(dev, &stat_info);
if (retval)
return retval;
return sprintf(buf, "%llu\n",
(unsigned long long) stat_info.seconds_act);
}
static DEVICE_ATTR(utilization, S_IRUGO, zfcp_sysfs_adapter_util_show, NULL);
static DEVICE_ATTR(requests, S_IRUGO, zfcp_sysfs_adapter_request_show, NULL);
static DEVICE_ATTR(megabytes, S_IRUGO, zfcp_sysfs_adapter_mb_show, NULL);
static DEVICE_ATTR(seconds_active, S_IRUGO,
zfcp_sysfs_adapter_sec_active_show, NULL);
static struct device_attribute *zfcp_a_stats_attrs[] = {
&dev_attr_utilization,
&dev_attr_requests,
&dev_attr_megabytes,
&dev_attr_seconds_active,
NULL
};
#undef ZFCP_LOG_AREA