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path: root/drivers/scsi/lpfc/lpfc_attr.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c201
1 files changed, 120 insertions, 81 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index acae7c4..89e8222 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -200,19 +200,13 @@ lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
}
-static ssize_t
-lpfc_issue_lip (struct class_device *cdev, const char *buf, size_t count)
+static int
+lpfc_issue_lip(struct Scsi_Host *host)
{
- struct Scsi_Host *host = class_to_shost(cdev);
struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0];
- int val = 0;
LPFC_MBOXQ_t *pmboxq;
int mbxstatus = MBXERR_ERROR;
- if ((sscanf(buf, "%d", &val) != 1) ||
- (val != 1))
- return -EINVAL;
-
if ((phba->fc_flag & FC_OFFLINE_MODE) ||
(phba->hba_state != LPFC_HBA_READY))
return -EPERM;
@@ -229,12 +223,12 @@ lpfc_issue_lip (struct class_device *cdev, const char *buf, size_t count)
if (mbxstatus == MBX_TIMEOUT)
pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
else
- mempool_free( pmboxq, phba->mbox_mem_pool);
+ mempool_free(pmboxq, phba->mbox_mem_pool);
if (mbxstatus == MBXERR_ERROR)
return -EIO;
- return strlen(buf);
+ return 0;
}
static ssize_t
@@ -251,8 +245,6 @@ lpfc_board_online_show(struct class_device *cdev, char *buf)
struct Scsi_Host *host = class_to_shost(cdev);
struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
- if (!phba) return 0;
-
if (phba->fc_flag & FC_OFFLINE_MODE)
return snprintf(buf, PAGE_SIZE, "0\n");
else
@@ -269,7 +261,7 @@ lpfc_board_online_store(struct class_device *cdev, const char *buf,
int val=0, status=0;
if (sscanf(buf, "%d", &val) != 1)
- return 0;
+ return -EINVAL;
init_completion(&online_compl);
@@ -283,7 +275,7 @@ lpfc_board_online_store(struct class_device *cdev, const char *buf,
if (!status)
return strlen(buf);
else
- return 0;
+ return -EIO;
}
@@ -294,47 +286,83 @@ lpfc_##attr##_show(struct class_device *cdev, char *buf) \
struct Scsi_Host *host = class_to_shost(cdev);\
struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
int val = 0;\
- if (phba){\
- val = phba->cfg_##attr;\
- return snprintf(buf, PAGE_SIZE, "%d\n",\
- phba->cfg_##attr);\
+ val = phba->cfg_##attr;\
+ return snprintf(buf, PAGE_SIZE, "%d\n",\
+ phba->cfg_##attr);\
+}
+
+#define lpfc_param_hex_show(attr) \
+static ssize_t \
+lpfc_##attr##_show(struct class_device *cdev, char *buf) \
+{ \
+ struct Scsi_Host *host = class_to_shost(cdev);\
+ struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
+ int val = 0;\
+ val = phba->cfg_##attr;\
+ return snprintf(buf, PAGE_SIZE, "%#x\n",\
+ phba->cfg_##attr);\
+}
+
+#define lpfc_param_init(attr, default, minval, maxval) \
+static int \
+lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
+{ \
+ if (val >= minval && val <= maxval) {\
+ phba->cfg_##attr = val;\
+ return 0;\
}\
- return 0;\
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
+ "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\
+ "allowed range is ["#minval", "#maxval"]\n", \
+ phba->brd_no, val); \
+ phba->cfg_##attr = default;\
+ return -EINVAL;\
}
-#define lpfc_param_store(attr, minval, maxval) \
+#define lpfc_param_set(attr, default, minval, maxval) \
+static int \
+lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
+{ \
+ if (val >= minval && val <= maxval) {\
+ phba->cfg_##attr = val;\
+ return 0;\
+ }\
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
+ "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\
+ "allowed range is ["#minval", "#maxval"]\n", \
+ phba->brd_no, val); \
+ return -EINVAL;\
+}
+
+#define lpfc_param_store(attr) \
static ssize_t \
lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
{ \
struct Scsi_Host *host = class_to_shost(cdev);\
struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
- int val = 0;\
+ int val=0;\
if (!isdigit(buf[0]))\
return -EINVAL;\
- if (sscanf(buf, "0x%x", &val) != 1)\
- if (sscanf(buf, "%d", &val) != 1)\
- return -EINVAL;\
- if (phba){\
- if (val >= minval && val <= maxval) {\
- phba->cfg_##attr = val;\
- return strlen(buf);\
- }\
- }\
- return 0;\
+ if (sscanf(buf, "%i", &val) != 1)\
+ return -EINVAL;\
+ if (lpfc_##attr##_set(phba, val) == 0) \
+ return strlen(buf);\
+ else \
+ return -EINVAL;\
}
-#define LPFC_ATTR_R_NOINIT(name, desc) \
-extern int lpfc_##name;\
+#define LPFC_ATTR(name, defval, minval, maxval, desc) \
+static int lpfc_##name = defval;\
module_param(lpfc_##name, int, 0);\
MODULE_PARM_DESC(lpfc_##name, desc);\
-lpfc_param_show(name)\
-static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
+lpfc_param_init(name, defval, minval, maxval)
#define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
static int lpfc_##name = defval;\
module_param(lpfc_##name, int, 0);\
MODULE_PARM_DESC(lpfc_##name, desc);\
lpfc_param_show(name)\
+lpfc_param_init(name, defval, minval, maxval)\
static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
#define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
@@ -342,7 +370,28 @@ static int lpfc_##name = defval;\
module_param(lpfc_##name, int, 0);\
MODULE_PARM_DESC(lpfc_##name, desc);\
lpfc_param_show(name)\
-lpfc_param_store(name, minval, maxval)\
+lpfc_param_init(name, defval, minval, maxval)\
+lpfc_param_set(name, defval, minval, maxval)\
+lpfc_param_store(name)\
+static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
+ lpfc_##name##_show, lpfc_##name##_store)
+
+#define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
+static int lpfc_##name = defval;\
+module_param(lpfc_##name, int, 0);\
+MODULE_PARM_DESC(lpfc_##name, desc);\
+lpfc_param_hex_show(name)\
+lpfc_param_init(name, defval, minval, maxval)\
+static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
+
+#define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
+static int lpfc_##name = defval;\
+module_param(lpfc_##name, int, 0);\
+MODULE_PARM_DESC(lpfc_##name, desc);\
+lpfc_param_hex_show(name)\
+lpfc_param_init(name, defval, minval, maxval)\
+lpfc_param_set(name, defval, minval, maxval)\
+lpfc_param_store(name)\
static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
lpfc_##name##_show, lpfc_##name##_store)
@@ -364,7 +413,6 @@ static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
NULL);
static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
NULL);
-static CLASS_DEVICE_ATTR(issue_lip, S_IWUSR, NULL, lpfc_issue_lip);
static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
lpfc_board_online_show, lpfc_board_online_store);
@@ -388,7 +436,7 @@ static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
# LOG_LIBDFC 0x2000 LIBDFC events
# LOG_ALL_MSG 0xffff LOG all messages
*/
-LPFC_ATTR_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
+LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
/*
# lun_queue_depth: This parameter is used to limit the number of outstanding
@@ -419,7 +467,7 @@ LPFC_ATTR_R(scan_down, 1, 0, 1,
/*
# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
-# until the timer expires. Value range is [0,255]. Default value is 20.
+# until the timer expires. Value range is [0,255]. Default value is 30.
# NOTE: this MUST be less then the SCSI Layer command timeout - 1.
*/
LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
@@ -475,14 +523,10 @@ LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
# is 0. Default value of cr_count is 1. The cr_count feature is disabled if
# cr_delay is set to 0.
*/
-static int lpfc_cr_delay = 0;
-module_param(lpfc_cr_delay, int , 0);
-MODULE_PARM_DESC(lpfc_cr_delay, "A count of milliseconds after which an "
+LPFC_ATTR(cr_delay, 0, 0, 63, "A count of milliseconds after which an"
"interrupt response is generated");
-static int lpfc_cr_count = 1;
-module_param(lpfc_cr_count, int, 0);
-MODULE_PARM_DESC(lpfc_cr_count, "A count of I/O completions after which an "
+LPFC_ATTR(cr_count, 1, 1, 255, "A count of I/O completions after which an"
"interrupt response is generated");
/*
@@ -498,9 +542,7 @@ LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
# Specifies the maximum number of ELS cmds we can have outstanding (for
# discovery). Value range is [1,64]. Default value = 32.
*/
-static int lpfc_discovery_threads = 32;
-module_param(lpfc_discovery_threads, int, 0);
-MODULE_PARM_DESC(lpfc_discovery_threads, "Maximum number of ELS commands "
+LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands"
"during discovery");
/*
@@ -537,7 +579,6 @@ struct class_device_attribute *lpfc_host_attrs[] = {
&class_device_attr_lpfc_max_luns,
&class_device_attr_nport_evt_cnt,
&class_device_attr_management_version,
- &class_device_attr_issue_lip,
&class_device_attr_board_online,
NULL,
};
@@ -992,7 +1033,7 @@ lpfc_get_stats(struct Scsi_Host *shost)
struct fc_host_statistics *hs = &phba->link_stats;
LPFC_MBOXQ_t *pmboxq;
MAILBOX_t *pmb;
- int rc=0;
+ int rc = 0;
pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!pmboxq)
@@ -1005,18 +1046,16 @@ lpfc_get_stats(struct Scsi_Host *shost)
pmboxq->context1 = NULL;
if ((phba->fc_flag & FC_OFFLINE_MODE) ||
- (!(psli->sli_flag & LPFC_SLI2_ACTIVE))){
+ (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
- } else
+ else
rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
if (rc != MBX_SUCCESS) {
- if (pmboxq) {
- if (rc == MBX_TIMEOUT)
- pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
- else
- mempool_free( pmboxq, phba->mbox_mem_pool);
- }
+ if (rc == MBX_TIMEOUT)
+ pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ else
+ mempool_free(pmboxq, phba->mbox_mem_pool);
return NULL;
}
@@ -1027,24 +1066,22 @@ lpfc_get_stats(struct Scsi_Host *shost)
hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
- memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
+ memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
pmb->mbxCommand = MBX_READ_LNK_STAT;
pmb->mbxOwner = OWN_HOST;
pmboxq->context1 = NULL;
if ((phba->fc_flag & FC_OFFLINE_MODE) ||
- (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) {
+ (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
- } else
+ else
rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
if (rc != MBX_SUCCESS) {
- if (pmboxq) {
- if (rc == MBX_TIMEOUT)
- pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
- else
- mempool_free( pmboxq, phba->mbox_mem_pool);
- }
+ if (rc == MBX_TIMEOUT)
+ pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ else
+ mempool_free( pmboxq, phba->mbox_mem_pool);
return NULL;
}
@@ -1234,25 +1271,27 @@ struct fc_function_template lpfc_transport_functions = {
.get_starget_port_name = lpfc_get_starget_port_name,
.show_starget_port_name = 1,
+
+ .issue_fc_host_lip = lpfc_issue_lip,
};
void
lpfc_get_cfgparam(struct lpfc_hba *phba)
{
- phba->cfg_log_verbose = lpfc_log_verbose;
- phba->cfg_cr_delay = lpfc_cr_delay;
- phba->cfg_cr_count = lpfc_cr_count;
- phba->cfg_lun_queue_depth = lpfc_lun_queue_depth;
- phba->cfg_fcp_class = lpfc_fcp_class;
- phba->cfg_use_adisc = lpfc_use_adisc;
- phba->cfg_ack0 = lpfc_ack0;
- phba->cfg_topology = lpfc_topology;
- phba->cfg_scan_down = lpfc_scan_down;
- phba->cfg_nodev_tmo = lpfc_nodev_tmo;
- phba->cfg_link_speed = lpfc_link_speed;
- phba->cfg_fdmi_on = lpfc_fdmi_on;
- phba->cfg_discovery_threads = lpfc_discovery_threads;
- phba->cfg_max_luns = lpfc_max_luns;
+ lpfc_log_verbose_init(phba, lpfc_log_verbose);
+ lpfc_cr_delay_init(phba, lpfc_cr_delay);
+ lpfc_cr_count_init(phba, lpfc_cr_count);
+ lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
+ lpfc_fcp_class_init(phba, lpfc_fcp_class);
+ lpfc_use_adisc_init(phba, lpfc_use_adisc);
+ lpfc_ack0_init(phba, lpfc_ack0);
+ lpfc_topology_init(phba, lpfc_topology);
+ lpfc_scan_down_init(phba, lpfc_scan_down);
+ lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
+ lpfc_link_speed_init(phba, lpfc_link_speed);
+ lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
+ lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
+ lpfc_max_luns_init(phba, lpfc_max_luns);
/*
* The total number of segments is the configuration value plus 2
generated by cgit v0.10.2 at 2024-11-10 08:50:51 (GMT)