aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/scsi/lpfc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/lpfc')
-rw-r--r--drivers/scsi/lpfc/lpfc.h14
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c92
-rw-r--r--drivers/scsi/lpfc/lpfc_crtn.h3
-rw-r--r--drivers/scsi/lpfc/lpfc_disc.h2
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c4
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c18
-rw-r--r--drivers/scsi/lpfc/lpfc_hw.h40
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c183
-rw-r--r--drivers/scsi/lpfc/lpfc_nportdisc.c69
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c295
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c217
-rw-r--r--drivers/scsi/lpfc/lpfc_version.h2
12 files changed, 727 insertions, 212 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 3062b39fbdb9..38ffa8d6e629 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -29,9 +29,10 @@ struct lpfc_sli2_slim;
#define LPFC_LC_HBA_Q_DEPTH 1024 /* max cmds per low cost hba */
#define LPFC_LP101_HBA_Q_DEPTH 128 /* max cmds per low cost hba */
-#define LPFC_CMD_PER_LUN 30 /* max outstanding cmds per lun */
+#define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
#define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
+#define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
/* Define macros for 64 bit support */
#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
@@ -45,6 +46,11 @@ struct lpfc_sli2_slim;
#define MAX_HBAEVT 32
+enum lpfc_polling_flags {
+ ENABLE_FCP_RING_POLLING = 0x1,
+ DISABLE_FCP_RING_INT = 0x2
+};
+
/* Provide DMA memory definitions the driver uses per port instance. */
struct lpfc_dmabuf {
struct list_head list;
@@ -167,6 +173,7 @@ struct lpfc_hba {
dma_addr_t slim2p_mapping;
uint16_t pci_cfg_value;
+ struct semaphore hba_can_block;
uint32_t hba_state;
#define LPFC_INIT_START 1 /* Initial state after board reset */
@@ -286,6 +293,8 @@ struct lpfc_hba {
uint32_t cfg_fcp_bind_method;
uint32_t cfg_discovery_threads;
uint32_t cfg_max_luns;
+ uint32_t cfg_poll;
+ uint32_t cfg_poll_tmo;
uint32_t cfg_sg_seg_cnt;
uint32_t cfg_sg_dma_buf_size;
@@ -337,7 +346,9 @@ struct lpfc_hba {
#define VPD_PORT 0x8 /* valid vpd port data */
#define VPD_MASK 0xf /* mask for any vpd data */
+ struct timer_list fcp_poll_timer;
struct timer_list els_tmofunc;
+
/*
* stat counters
*/
@@ -348,6 +359,7 @@ struct lpfc_hba {
struct lpfc_sysfs_mbox sysfs_mbox;
/* fastpath list. */
+ spinlock_t scsi_buf_list_lock;
struct list_head lpfc_scsi_buf_list;
uint32_t total_scsi_bufs;
struct list_head lpfc_iocb_list;
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 89e8222bc7cc..5625a8c2a8fd 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -278,6 +278,71 @@ lpfc_board_online_store(struct class_device *cdev, const char *buf,
return -EIO;
}
+static ssize_t
+lpfc_poll_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];
+
+ return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
+}
+
+static ssize_t
+lpfc_poll_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];
+ uint32_t creg_val;
+ uint32_t old_val;
+ int val=0;
+
+ if (!isdigit(buf[0]))
+ return -EINVAL;
+
+ if (sscanf(buf, "%i", &val) != 1)
+ return -EINVAL;
+
+ if ((val & 0x3) != val)
+ return -EINVAL;
+
+ spin_lock_irq(phba->host->host_lock);
+
+ old_val = phba->cfg_poll;
+
+ if (val & ENABLE_FCP_RING_POLLING) {
+ if ((val & DISABLE_FCP_RING_INT) &&
+ !(old_val & DISABLE_FCP_RING_INT)) {
+ creg_val = readl(phba->HCregaddr);
+ creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
+ writel(creg_val, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+
+ lpfc_poll_start_timer(phba);
+ }
+ } else if (val != 0x0) {
+ spin_unlock_irq(phba->host->host_lock);
+ return -EINVAL;
+ }
+
+ if (!(val & DISABLE_FCP_RING_INT) &&
+ (old_val & DISABLE_FCP_RING_INT))
+ {
+ spin_unlock_irq(phba->host->host_lock);
+ del_timer(&phba->fcp_poll_timer);
+ spin_lock_irq(phba->host->host_lock);
+ creg_val = readl(phba->HCregaddr);
+ creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
+ writel(creg_val, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+ }
+
+ phba->cfg_poll = val;
+
+ spin_unlock_irq(phba->host->host_lock);
+
+ return strlen(buf);
+}
#define lpfc_param_show(attr) \
static ssize_t \
@@ -416,6 +481,15 @@ static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
lpfc_board_online_show, lpfc_board_online_store);
+static int lpfc_poll = 0;
+module_param(lpfc_poll, int, 0);
+MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
+ " 0 - none,"
+ " 1 - poll with interrupts enabled"
+ " 3 - poll and disable FCP ring interrupts");
+
+static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
+ lpfc_poll_show, lpfc_poll_store);
/*
# lpfc_log_verbose: Only turn this flag on if you are willing to risk being
@@ -523,10 +597,10 @@ 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.
*/
-LPFC_ATTR(cr_delay, 0, 0, 63, "A count of milliseconds after which an"
+LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an"
"interrupt response is generated");
-LPFC_ATTR(cr_count, 1, 1, 255, "A count of I/O completions after which an"
+LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an"
"interrupt response is generated");
/*
@@ -553,6 +627,13 @@ LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands"
LPFC_ATTR_R(max_luns, 256, 1, 32768,
"Maximum number of LUNs per target driver will support");
+/*
+# lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
+# Value range is [1,255], default value is 10.
+*/
+LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
+ "Milliseconds driver will wait between polling FCP ring");
+
struct class_device_attribute *lpfc_host_attrs[] = {
&class_device_attr_info,
&class_device_attr_serialnum,
@@ -575,11 +656,15 @@ struct class_device_attribute *lpfc_host_attrs[] = {
&class_device_attr_lpfc_topology,
&class_device_attr_lpfc_scan_down,
&class_device_attr_lpfc_link_speed,
+ &class_device_attr_lpfc_cr_delay,
+ &class_device_attr_lpfc_cr_count,
&class_device_attr_lpfc_fdmi_on,
&class_device_attr_lpfc_max_luns,
&class_device_attr_nport_evt_cnt,
&class_device_attr_management_version,
&class_device_attr_board_online,
+ &class_device_attr_lpfc_poll,
+ &class_device_attr_lpfc_poll_tmo,
NULL,
};
@@ -1292,6 +1377,9 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
lpfc_max_luns_init(phba, lpfc_max_luns);
+ lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
+
+ phba->cfg_poll = lpfc_poll;
/*
* The total number of segments is the configuration value plus 2
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index d527d05a607f..f1e708946e66 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -143,6 +143,9 @@ LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
int lpfc_mem_alloc(struct lpfc_hba *);
void lpfc_mem_free(struct lpfc_hba *);
+void lpfc_poll_timeout(unsigned long ptr);
+void lpfc_poll_start_timer(struct lpfc_hba * phba);
+void lpfc_sli_poll_fcp_ring(struct lpfc_hba * hba);
struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
void lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
uint16_t lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
index 084e7628ce17..ed6c81660e03 100644
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -73,6 +73,8 @@ struct lpfc_nodelist {
struct lpfc_hba *nlp_phba;
struct lpfc_work_evt nodev_timeout_evt;
struct lpfc_work_evt els_retry_evt;
+ unsigned long last_ramp_up_time; /* jiffy of last ramp up */
+ unsigned long last_q_full_time; /* jiffy of last queue full */
};
/* Defines for nlp_flag (uint32) */
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index bcc29ec126dc..20f1a0713db2 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -720,6 +720,7 @@ lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
+ (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) ||
(irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC);
}
@@ -869,6 +870,7 @@ lpfc_cmpl_els_prli(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
+ (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) ||
(irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
goto out;
}
@@ -1054,6 +1056,7 @@ lpfc_cmpl_els_adisc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
+ (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) ||
(irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC);
}
@@ -1205,6 +1208,7 @@ lpfc_cmpl_els_logo(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
+ (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) ||
(irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
goto out;
}
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 259eeb161b82..a1f751e79405 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1017,12 +1017,7 @@ lpfc_register_remote_port(struct lpfc_hba * phba,
rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
rport_ids.port_id = ndlp->nlp_DID;
rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
- if (ndlp->nlp_type & NLP_FCP_TARGET)
- rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
- if (ndlp->nlp_type & NLP_FCP_INITIATOR)
- rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
- scsi_block_requests(phba->host);
ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids);
if (!rport) {
dev_printk(KERN_WARNING, &phba->pcidev->dev,
@@ -1039,7 +1034,16 @@ lpfc_register_remote_port(struct lpfc_hba * phba,
}
rdata = rport->dd_data;
rdata->pnode = ndlp;
- scsi_unblock_requests(phba->host);
+
+ if (ndlp->nlp_type & NLP_FCP_TARGET)
+ rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
+ if (ndlp->nlp_type & NLP_FCP_INITIATOR)
+ rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
+
+
+ if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN)
+ fc_remote_port_rolechg(rport, rport_ids.roles);
+
return;
}
@@ -1053,9 +1057,7 @@ lpfc_unregister_remote_port(struct lpfc_hba * phba,
ndlp->rport = NULL;
rdata->pnode = NULL;
- scsi_block_requests(phba->host);
fc_remote_port_delete(rport);
- scsi_unblock_requests(phba->host);
return;
}
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 86c41981188b..1ea565e0561f 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -266,9 +266,11 @@ struct lpfc_name {
struct {
#ifdef __BIG_ENDIAN_BITFIELD
uint8_t nameType:4; /* FC Word 0, bit 28:31 */
- uint8_t IEEEextMsn:4; /* FC Word 0, bit 24:27, bit 8:11 of IEEE ext */
+ uint8_t IEEEextMsn:4; /* FC Word 0, bit 24:27, bit
+ 8:11 of IEEE ext */
#else /* __LITTLE_ENDIAN_BITFIELD */
- uint8_t IEEEextMsn:4; /* FC Word 0, bit 24:27, bit 8:11 of IEEE ext */
+ uint8_t IEEEextMsn:4; /* FC Word 0, bit 24:27, bit
+ 8:11 of IEEE ext */
uint8_t nameType:4; /* FC Word 0, bit 28:31 */
#endif
@@ -278,7 +280,8 @@ struct lpfc_name {
#define NAME_IP_TYPE 0x4 /* IP address */
#define NAME_CCITT_TYPE 0xC
#define NAME_CCITT_GR_TYPE 0xE
- uint8_t IEEEextLsb; /* FC Word 0, bit 16:23, IEEE extended Lsb */
+ uint8_t IEEEextLsb; /* FC Word 0, bit 16:23, IEEE
+ extended Lsb */
uint8_t IEEE[6]; /* FC IEEE address */
} s;
uint8_t wwn[8];
@@ -1024,23 +1027,38 @@ typedef struct {
/* Start FireFly Register definitions */
#define PCI_VENDOR_ID_EMULEX 0x10df
#define PCI_DEVICE_ID_FIREFLY 0x1ae5
-#define PCI_DEVICE_ID_SUPERFLY 0xf700
-#define PCI_DEVICE_ID_DRAGONFLY 0xf800
#define PCI_DEVICE_ID_RFLY 0xf095
#define PCI_DEVICE_ID_PFLY 0xf098
+#define PCI_DEVICE_ID_LP101 0xf0a1
#define PCI_DEVICE_ID_TFLY 0xf0a5
+#define PCI_DEVICE_ID_BSMB 0xf0d1
+#define PCI_DEVICE_ID_BMID 0xf0d5
+#define PCI_DEVICE_ID_ZSMB 0xf0e1
+#define PCI_DEVICE_ID_ZMID 0xf0e5
+#define PCI_DEVICE_ID_NEPTUNE 0xf0f5
+#define PCI_DEVICE_ID_NEPTUNE_SCSP 0xf0f6
+#define PCI_DEVICE_ID_NEPTUNE_DCSP 0xf0f7
+#define PCI_DEVICE_ID_SUPERFLY 0xf700
+#define PCI_DEVICE_ID_DRAGONFLY 0xf800
#define PCI_DEVICE_ID_CENTAUR 0xf900
#define PCI_DEVICE_ID_PEGASUS 0xf980
#define PCI_DEVICE_ID_THOR 0xfa00
#define PCI_DEVICE_ID_VIPER 0xfb00
+#define PCI_DEVICE_ID_LP10000S 0xfc00
+#define PCI_DEVICE_ID_LP11000S 0xfc10
+#define PCI_DEVICE_ID_LPE11000S 0xfc20
#define PCI_DEVICE_ID_HELIOS 0xfd00
-#define PCI_DEVICE_ID_BMID 0xf0d5
-#define PCI_DEVICE_ID_BSMB 0xf0d1
+#define PCI_DEVICE_ID_HELIOS_SCSP 0xfd11
+#define PCI_DEVICE_ID_HELIOS_DCSP 0xfd12
#define PCI_DEVICE_ID_ZEPHYR 0xfe00
-#define PCI_DEVICE_ID_ZMID 0xf0e5
-#define PCI_DEVICE_ID_ZSMB 0xf0e1
-#define PCI_DEVICE_ID_LP101 0xf0a1
-#define PCI_DEVICE_ID_LP10000S 0xfc00
+#define PCI_DEVICE_ID_ZEPHYR_SCSP 0xfe11
+#define PCI_DEVICE_ID_ZEPHYR_DCSP 0xfe12
+
+#define PCI_SUBSYSTEM_ID_LP11000S 0xfc11
+#define PCI_SUBSYSTEM_ID_LP11002S 0xfc12
+#define PCI_SUBSYSTEM_ID_LPE11000S 0xfc21
+#define PCI_SUBSYSTEM_ID_LPE11002S 0xfc22
+#define PCI_SUBSYSTEM_ID_LPE11010S 0xfc2A
#define JEDEC_ID_ADDRESS 0x0080001c
#define FIREFLY_JEDEC_ID 0x1ACC
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 07498118359d..b7a603a45328 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -126,34 +126,26 @@ lpfc_config_port_prep(struct lpfc_hba * phba)
return -ERESTART;
}
- /* The HBA's current state is provided by the ProgType and rr fields.
- * Read and check the value of these fields before continuing to config
- * this port.
+ /*
+ * The value of rr must be 1 since the driver set the cv field to 1.
+ * This setting requires the FW to set all revision fields.
*/
- if (mb->un.varRdRev.rr == 0 || mb->un.varRdRev.un.b.ProgType != 2) {
- /* Old firmware */
+ if (mb->un.varRdRev.rr == 0) {
vp->rev.rBit = 0;
- lpfc_printf_log(phba,
- KERN_ERR,
- LOG_INIT,
- "%d:0440 Adapter failed to init, mbxCmd x%x "
- "READ_REV detected outdated firmware"
- "Data: x%x\n",
- phba->brd_no,
- mb->mbxCommand, 0);
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "%d:0440 Adapter failed to init, READ_REV has "
+ "missing revision information.\n",
+ phba->brd_no);
mempool_free(pmb, phba->mbox_mem_pool);
return -ERESTART;
- } else {
- vp->rev.rBit = 1;
- vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
- memcpy(vp->rev.sli1FwName,
- (char*)mb->un.varRdRev.sli1FwName, 16);
- vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
- memcpy(vp->rev.sli2FwName,
- (char *)mb->un.varRdRev.sli2FwName, 16);
}
/* Save information as VPD data */
+ vp->rev.rBit = 1;
+ vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
+ memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
+ vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
+ memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
vp->rev.biuRev = mb->un.varRdRev.biuRev;
vp->rev.smRev = mb->un.varRdRev.smRev;
vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
@@ -378,6 +370,10 @@ lpfc_config_port_post(struct lpfc_hba * phba)
if (psli->num_rings > 3)
status |= HC_R3INT_ENA;
+ if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
+ (phba->cfg_poll & DISABLE_FCP_RING_INT))
+ status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
+
writel(status, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */
spin_unlock_irq(phba->host->host_lock);
@@ -571,6 +567,8 @@ lpfc_handle_latt(struct lpfc_hba * phba)
rc = -EIO;
+ /* Cleanup any outstanding ELS commands */
+ lpfc_els_flush_cmd(phba);
psli->slistat.link_event++;
lpfc_read_la(phba, pmb, mp);
@@ -765,96 +763,139 @@ static void
lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
{
lpfc_vpd_t *vp;
- uint32_t id;
- uint8_t hdrtype;
- char str[16];
+ uint16_t dev_id = phba->pcidev->device;
+ uint16_t dev_subid = phba->pcidev->subsystem_device;
+ uint8_t hdrtype = phba->pcidev->hdr_type;
+ char *model_str = "";
vp = &phba->vpd;
- pci_read_config_dword(phba->pcidev, PCI_VENDOR_ID, &id);
- pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
- switch ((id >> 16) & 0xffff) {
+ switch (dev_id) {
case PCI_DEVICE_ID_FIREFLY:
- strcpy(str, "LP6000 1");
+ model_str = "LP6000 1Gb PCI";
break;
case PCI_DEVICE_ID_SUPERFLY:
if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
- strcpy(str, "LP7000 1");
+ model_str = "LP7000 1Gb PCI";
else
- strcpy(str, "LP7000E 1");
+ model_str = "LP7000E 1Gb PCI";
break;
case PCI_DEVICE_ID_DRAGONFLY:
- strcpy(str, "LP8000 1");
+ model_str = "LP8000 1Gb PCI";
break;
case PCI_DEVICE_ID_CENTAUR:
if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
- strcpy(str, "LP9002 2");
+ model_str = "LP9002 2Gb PCI";
else
- strcpy(str, "LP9000 1");
+ model_str = "LP9000 1Gb PCI";
break;
case PCI_DEVICE_ID_RFLY:
- strcpy(str, "LP952 2");
+ model_str = "LP952 2Gb PCI";
break;
case PCI_DEVICE_ID_PEGASUS:
- strcpy(str, "LP9802 2");
+ model_str = "LP9802 2Gb PCI-X";
break;
case PCI_DEVICE_ID_THOR:
if (hdrtype == 0x80)
- strcpy(str, "LP10000DC 2");
+ model_str = "LP10000DC 2Gb 2-port PCI-X";
else
- strcpy(str, "LP10000 2");
+ model_str = "LP10000 2Gb PCI-X";
break;
case PCI_DEVICE_ID_VIPER:
- strcpy(str, "LPX1000 10");
+ model_str = "LPX1000 10Gb PCI-X";
break;
case PCI_DEVICE_ID_PFLY:
- strcpy(str, "LP982 2");
+ model_str = "LP982 2Gb PCI-X";
break;
case PCI_DEVICE_ID_TFLY:
if (hdrtype == 0x80)
- strcpy(str, "LP1050DC 2");
+ model_str = "LP1050DC 2Gb 2-port PCI-X";
else
- strcpy(str, "LP1050 2");
+ model_str = "LP1050 2Gb PCI-X";
break;
case PCI_DEVICE_ID_HELIOS:
if (hdrtype == 0x80)
- strcpy(str, "LP11002 4");
+ model_str = "LP11002 4Gb 2-port PCI-X2";
+ else
+ model_str = "LP11000 4Gb PCI-X2";
+ break;
+ case PCI_DEVICE_ID_HELIOS_SCSP:
+ model_str = "LP11000-SP 4Gb PCI-X2";
+ break;
+ case PCI_DEVICE_ID_HELIOS_DCSP:
+ model_str = "LP11002-SP 4Gb 2-port PCI-X2";
+ break;
+ case PCI_DEVICE_ID_NEPTUNE:
+ if (hdrtype == 0x80)
+ model_str = "LPe1002 4Gb 2-port";
else
- strcpy(str, "LP11000 4");
+ model_str = "LPe1000 4Gb PCIe";
+ break;
+ case PCI_DEVICE_ID_NEPTUNE_SCSP:
+ model_str = "LPe1000-SP 4Gb PCIe";
+ break;
+ case PCI_DEVICE_ID_NEPTUNE_DCSP:
+ model_str = "LPe1002-SP 4Gb 2-port PCIe";
break;
case PCI_DEVICE_ID_BMID:
- strcpy(str, "LP1150 4");
+ model_str = "LP1150 4Gb PCI-X2";
break;
case PCI_DEVICE_ID_BSMB:
- strcpy(str, "LP111 4");
+ model_str = "LP111 4Gb PCI-X2";
break;
case PCI_DEVICE_ID_ZEPHYR:
if (hdrtype == 0x80)
- strcpy(str, "LPe11002 4");
+ model_str = "LPe11002 4Gb 2-port PCIe";
else
- strcpy(str, "LPe11000 4");
+ model_str = "LPe11000 4Gb PCIe";
+ break;
+ case PCI_DEVICE_ID_ZEPHYR_SCSP:
+ model_str = "LPe11000-SP 4Gb PCIe";
+ break;
+ case PCI_DEVICE_ID_ZEPHYR_DCSP:
+ model_str = "LPe11002-SP 4Gb 2-port PCIe";
break;
case PCI_DEVICE_ID_ZMID:
- strcpy(str, "LPe1150 4");
+ model_str = "LPe1150 4Gb PCIe";
break;
case PCI_DEVICE_ID_ZSMB:
- strcpy(str, "LPe111 4");
+ model_str = "LPe111 4Gb PCIe";
break;
case PCI_DEVICE_ID_LP101:
- strcpy(str, "LP101 2");
+ model_str = "LP101 2Gb PCI-X";
break;
case PCI_DEVICE_ID_LP10000S:
- strcpy(str, "LP10000-S 2");
+ model_str = "LP10000-S 2Gb PCI";
+ break;
+ case PCI_DEVICE_ID_LP11000S:
+ case PCI_DEVICE_ID_LPE11000S:
+ switch (dev_subid) {
+ case PCI_SUBSYSTEM_ID_LP11000S:
+ model_str = "LP11002-S 4Gb PCI-X2";
+ break;
+ case PCI_SUBSYSTEM_ID_LP11002S:
+ model_str = "LP11000-S 4Gb 2-port PCI-X2";
+ break;
+ case PCI_SUBSYSTEM_ID_LPE11000S:
+ model_str = "LPe11002-S 4Gb PCIe";
+ break;
+ case PCI_SUBSYSTEM_ID_LPE11002S:
+ model_str = "LPe11002-S 4Gb 2-port PCIe";
+ break;
+ case PCI_SUBSYSTEM_ID_LPE11010S:
+ model_str = "LPe11010-S 4Gb 10-port PCIe";
+ break;
+ default:
+ break;
+ }
break;
default:
- memset(str, 0, 16);
break;
}
if (mdp)
- sscanf(str, "%s", mdp);
+ sscanf(model_str, "%s", mdp);
if (descp)
- sprintf(descp, "Emulex LightPulse %s Gigabit PCI Fibre "
- "Channel Adapter", str);
+ sprintf(descp, "Emulex %s Fibre Channel Adapter", model_str);
}
/**************************************************/
@@ -1196,6 +1237,7 @@ lpfc_stop_timer(struct lpfc_hba * phba)
}
}
+ del_timer_sync(&phba->fcp_poll_timer);
del_timer_sync(&phba->fc_estabtmo);
del_timer_sync(&phba->fc_disctmo);
del_timer_sync(&phba->fc_fdmitmo);
@@ -1351,7 +1393,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
goto out_put_host;
host->unique_id = phba->brd_no;
-
+ init_MUTEX(&phba->hba_can_block);
INIT_LIST_HEAD(&phba->ctrspbuflist);
INIT_LIST_HEAD(&phba->rnidrspbuflist);
INIT_LIST_HEAD(&phba->freebufList);
@@ -1375,6 +1417,10 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
psli->mbox_tmo.function = lpfc_mbox_timeout;
psli->mbox_tmo.data = (unsigned long)phba;
+ init_timer(&phba->fcp_poll_timer);
+ phba->fcp_poll_timer.function = lpfc_poll_timeout;
+ phba->fcp_poll_timer.data = (unsigned long)phba;
+
/*
* Get all the module params for configuring this host and then
* establish the host parameters.
@@ -1489,6 +1535,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
host->max_cmd_len = 16;
/* Initialize the list of scsi buffers used by driver for scsi IO. */
+ spin_lock_init(&phba->scsi_buf_list_lock);
INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
host->transportt = lpfc_transport_template;
@@ -1520,6 +1567,12 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
if (error)
goto out_free_irq;
+ if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
+ spin_lock_irq(phba->host->host_lock);
+ lpfc_poll_start_timer(phba);
+ spin_unlock_irq(phba->host->host_lock);
+ }
+
/*
* set fixed host attributes
* Must done after lpfc_sli_hba_setup()
@@ -1679,14 +1732,28 @@ static struct pci_device_id lpfc_id_table[] = {
PCI_ANY_ID, PCI_ANY_ID, },
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
PCI_ANY_ID, PCI_ANY_ID, },
+ {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
+ PCI_ANY_ID, PCI_ANY_ID, },
+ {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
+ PCI_ANY_ID, PCI_ANY_ID, },
+ {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
+ PCI_ANY_ID, PCI_ANY_ID, },
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
PCI_ANY_ID, PCI_ANY_ID, },
+ {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
+ PCI_ANY_ID, PCI_ANY_ID, },
+ {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
+ PCI_ANY_ID, PCI_ANY_ID, },
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
PCI_ANY_ID, PCI_ANY_ID, },
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
PCI_ANY_ID, PCI_ANY_ID, },
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
PCI_ANY_ID, PCI_ANY_ID, },
+ {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
+ PCI_ANY_ID, PCI_ANY_ID, },
+ {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
+ PCI_ANY_ID, PCI_ANY_ID, },
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
PCI_ANY_ID, PCI_ANY_ID, },
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
@@ -1697,6 +1764,10 @@ static struct pci_device_id lpfc_id_table[] = {
PCI_ANY_ID, PCI_ANY_ID, },
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
PCI_ANY_ID, PCI_ANY_ID, },
+ {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
+ PCI_ANY_ID, PCI_ANY_ID, },
+ {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
+ PCI_ANY_ID, PCI_ANY_ID, },
{ 0 }
};
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 507a6af56f42..fbead786031f 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -55,55 +55,76 @@ lpfc_check_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
return (1);
}
-
int
lpfc_check_sparm(struct lpfc_hba * phba,
struct lpfc_nodelist * ndlp, struct serv_parm * sp,
uint32_t class)
{
volatile struct serv_parm *hsp = &phba->fc_sparam;
- /* First check for supported version */
-
- /* Next check for class validity */
+ uint16_t hsp_value, ssp_value = 0;
+
+ /*
+ * The receive data field size and buffer-to-buffer receive data field
+ * size entries are 16 bits but are represented as two 8-bit fields in
+ * the driver data structure to account for rsvd bits and other control
+ * bits. Reconstruct and compare the fields as a 16-bit values before
+ * correcting the byte values.
+ */
if (sp->cls1.classValid) {
-
- if (sp->cls1.rcvDataSizeMsb > hsp->cls1.rcvDataSizeMsb)
- sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb;
- if (sp->cls1.rcvDataSizeLsb > hsp->cls1.rcvDataSizeLsb)
+ hsp_value = (hsp->cls1.rcvDataSizeMsb << 8) |
+ hsp->cls1.rcvDataSizeLsb;
+ ssp_value = (sp->cls1.rcvDataSizeMsb << 8) |
+ sp->cls1.rcvDataSizeLsb;
+ if (ssp_value > hsp_value) {
sp->cls1.rcvDataSizeLsb = hsp->cls1.rcvDataSizeLsb;
+ sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb;
+ }
} else if (class == CLASS1) {
- return (0);
+ return 0;
}
if (sp->cls2.classValid) {
-
- if (sp->cls2.rcvDataSizeMsb > hsp->cls2.rcvDataSizeMsb)
- sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb;
- if (sp->cls2.rcvDataSizeLsb > hsp->cls2.rcvDataSizeLsb)
+ hsp_value = (hsp->cls2.rcvDataSizeMsb << 8) |
+ hsp->cls2.rcvDataSizeLsb;
+ ssp_value = (sp->cls2.rcvDataSizeMsb << 8) |
+ sp->cls2.rcvDataSizeLsb;
+ if (ssp_value > hsp_value) {
sp->cls2.rcvDataSizeLsb = hsp->cls2.rcvDataSizeLsb;
+ sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb;
+ }
} else if (class == CLASS2) {
- return (0);
+ return 0;
}
if (sp->cls3.classValid) {
-
- if (sp->cls3.rcvDataSizeMsb > hsp->cls3.rcvDataSizeMsb)
- sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb;
- if (sp->cls3.rcvDataSizeLsb > hsp->cls3.rcvDataSizeLsb)
+ hsp_value = (hsp->cls3.rcvDataSizeMsb << 8) |
+ hsp->cls3.rcvDataSizeLsb;
+ ssp_value = (sp->cls3.rcvDataSizeMsb << 8) |
+ sp->cls3.rcvDataSizeLsb;
+ if (ssp_value > hsp_value) {
sp->cls3.rcvDataSizeLsb = hsp->cls3.rcvDataSizeLsb;
+ sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb;
+ }
} else if (class == CLASS3) {
- return (0);
+ return 0;
}
- if (sp->cmn.bbRcvSizeMsb > hsp->cmn.bbRcvSizeMsb)
- sp->cmn.bbRcvSizeMsb = hsp->cmn.bbRcvSizeMsb;
- if (sp->cmn.bbRcvSizeLsb > hsp->cmn.bbRcvSizeLsb)
+ /*
+ * Preserve the upper four bits of the MSB from the PLOGI response.
+ * These bits contain the Buffer-to-Buffer State Change Number
+ * from the target and need to be passed to the FW.
+ */
+ hsp_value = (hsp->cmn.bbRcvSizeMsb << 8) | hsp->cmn.bbRcvSizeLsb;
+ ssp_value = (sp->cmn.bbRcvSizeMsb << 8) | sp->cmn.bbRcvSizeLsb;
+ if (ssp_value > hsp_value) {
sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb;
+ sp->cmn.bbRcvSizeMsb = (sp->cmn.bbRcvSizeMsb & 0xF0) |
+ (hsp->cmn.bbRcvSizeMsb & 0x0F);
+ }
- /* If check is good, copy wwpn wwnn into ndlp */
memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name));
memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name));
- return (1);
+ return 1;
}
static void *
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index c63275e66e2e..9ee8218404c0 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -41,6 +41,20 @@
#define LPFC_ABORT_WAIT 2
+static inline void
+lpfc_block_requests(struct lpfc_hba * phba)
+{
+ down(&phba->hba_can_block);
+ scsi_block_requests(phba->host);
+}
+
+static inline void
+lpfc_unblock_requests(struct lpfc_hba * phba)
+{
+ scsi_unblock_requests(phba->host);
+ up(&phba->hba_can_block);
+}
+
/*
* This routine allocates a scsi buffer, which contains all the necessary
* information needed to initiate a SCSI I/O. The non-DMAable buffer region
@@ -137,18 +151,22 @@ lpfc_new_scsi_buf(struct lpfc_hba * phba)
}
struct lpfc_scsi_buf*
-lpfc_sli_get_scsi_buf(struct lpfc_hba * phba)
+lpfc_get_scsi_buf(struct lpfc_hba * phba)
{
struct lpfc_scsi_buf * lpfc_cmd = NULL;
struct list_head *scsi_buf_list = &phba->lpfc_scsi_buf_list;
+ unsigned long iflag = 0;
+ spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag);
list_remove_head(scsi_buf_list, lpfc_cmd, struct lpfc_scsi_buf, list);
+ spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag);
return lpfc_cmd;
}
static void
lpfc_release_scsi_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb)
{
+ unsigned long iflag = 0;
/*
* There are only two special cases to consider. (1) the scsi command
* requested scatter-gather usage or (2) the scsi command allocated
@@ -166,8 +184,10 @@ lpfc_release_scsi_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb)
}
}
+ spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag);
psb->pCmd = NULL;
list_add_tail(&psb->list, &phba->lpfc_scsi_buf_list);
+ spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag);
}
static int
@@ -389,7 +409,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
struct lpfc_rport_data *rdata = lpfc_cmd->rdata;
struct lpfc_nodelist *pnode = rdata->pnode;
struct scsi_cmnd *cmd = lpfc_cmd->pCmd;
- unsigned long iflag;
+ int result;
+ struct scsi_device *sdev, *tmp_sdev;
+ int depth = 0;
lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4];
lpfc_cmd->status = pIocbOut->iocb.ulpStatus;
@@ -441,11 +463,64 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
*lp, *(lp + 3), cmd->retries, cmd->resid);
}
+ result = cmd->result;
+ sdev = cmd->device;
cmd->scsi_done(cmd);
- spin_lock_irqsave(phba->host->host_lock, iflag);
+ if (!result &&
+ ((jiffies - pnode->last_ramp_up_time) >
+ LPFC_Q_RAMP_UP_INTERVAL * HZ) &&
+ ((jiffies - pnode->last_q_full_time) >
+ LPFC_Q_RAMP_UP_INTERVAL * HZ) &&
+ (phba->cfg_lun_queue_depth > sdev->queue_depth)) {
+ shost_for_each_device(tmp_sdev, sdev->host) {
+ if (phba->cfg_lun_queue_depth > tmp_sdev->queue_depth) {
+ if (tmp_sdev->id != sdev->id)
+ continue;
+ if (tmp_sdev->ordered_tags)
+ scsi_adjust_queue_depth(tmp_sdev,
+ MSG_ORDERED_TAG,
+ tmp_sdev->queue_depth+1);
+ else
+ scsi_adjust_queue_depth(tmp_sdev,
+ MSG_SIMPLE_TAG,
+ tmp_sdev->queue_depth+1);
+
+ pnode->last_ramp_up_time = jiffies;
+ }
+ }
+ }
+
+ /*
+ * Check for queue full. If the lun is reporting queue full, then
+ * back off the lun queue depth to prevent target overloads.
+ */
+ if (result == SAM_STAT_TASK_SET_FULL) {
+ pnode->last_q_full_time = jiffies;
+
+ shost_for_each_device(tmp_sdev, sdev->host) {
+ if (tmp_sdev->id != sdev->id)
+ continue;
+ depth = scsi_track_queue_full(tmp_sdev,
+ tmp_sdev->queue_depth - 1);
+ }
+ /*
+ * The queue depth cannot be lowered any more.
+ * Modify the returned error code to store
+ * the final depth value set by
+ * scsi_track_queue_full.
+ */
+ if (depth == -1)
+ depth = sdev->host->cmd_per_lun;
+
+ if (depth) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
+ "%d:0711 detected queue full - lun queue depth "
+ " adjusted to %d.\n", phba->brd_no, depth);
+ }
+ }
+
lpfc_release_scsi_buf(phba, lpfc_cmd);
- spin_unlock_irqrestore(phba->host->host_lock, iflag);
}
static void
@@ -693,6 +768,37 @@ lpfc_info(struct Scsi_Host *host)
return lpfcinfobuf;
}
+static __inline__ void lpfc_poll_rearm_timer(struct lpfc_hba * phba)
+{
+ unsigned long poll_tmo_expires =
+ (jiffies + msecs_to_jiffies(phba->cfg_poll_tmo));
+
+ if (phba->sli.ring[LPFC_FCP_RING].txcmplq_cnt)
+ mod_timer(&phba->fcp_poll_timer,
+ poll_tmo_expires);
+}
+
+void lpfc_poll_start_timer(struct lpfc_hba * phba)
+{
+ lpfc_poll_rearm_timer(phba);
+}
+
+void lpfc_poll_timeout(unsigned long ptr)
+{
+ struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
+ unsigned long iflag;
+
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+
+ if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
+ lpfc_sli_poll_fcp_ring (phba);
+ if (phba->cfg_poll & DISABLE_FCP_RING_INT)
+ lpfc_poll_rearm_timer(phba);
+ }
+
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+}
+
static int
lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
{
@@ -719,10 +825,11 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
cmnd->result = ScsiResult(DID_BUS_BUSY, 0);
goto out_fail_command;
}
- lpfc_cmd = lpfc_sli_get_scsi_buf (phba);
+ lpfc_cmd = lpfc_get_scsi_buf (phba);
if (lpfc_cmd == NULL) {
- printk(KERN_WARNING "%s: No buffer available - list empty, "
- "total count %d\n", __FUNCTION__, phba->total_scsi_bufs);
+ lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
+ "%d:0707 driver's buffer pool is empty, "
+ "IO busied\n", phba->brd_no);
goto out_host_busy;
}
@@ -746,11 +853,17 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
&lpfc_cmd->cur_iocbq, SLI_IOCB_RET_IOCB);
if (err)
goto out_host_busy_free_buf;
+
+ if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
+ lpfc_sli_poll_fcp_ring(phba);
+ if (phba->cfg_poll & DISABLE_FCP_RING_INT)
+ lpfc_poll_rearm_timer(phba);
+ }
+
return 0;
out_host_busy_free_buf:
lpfc_release_scsi_buf(phba, lpfc_cmd);
- cmnd->host_scribble = NULL;
out_host_busy:
return SCSI_MLQUEUE_HOST_BUSY;
@@ -759,11 +872,12 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
return 0;
}
+
static int
-__lpfc_abort_handler(struct scsi_cmnd *cmnd)
+lpfc_abort_handler(struct scsi_cmnd *cmnd)
{
- struct lpfc_hba *phba =
- (struct lpfc_hba *)cmnd->device->host->hostdata[0];
+ struct Scsi_Host *shost = cmnd->device->host;
+ struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
struct lpfc_sli_ring *pring = &phba->sli.ring[phba->sli.fcp_ring];
struct lpfc_iocbq *iocb;
struct lpfc_iocbq *abtsiocb;
@@ -772,6 +886,8 @@ __lpfc_abort_handler(struct scsi_cmnd *cmnd)
unsigned int loop_count = 0;
int ret = SUCCESS;
+ lpfc_block_requests(phba);
+ spin_lock_irq(shost->host_lock);
lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble;
BUG_ON(!lpfc_cmd);
@@ -821,9 +937,15 @@ __lpfc_abort_handler(struct scsi_cmnd *cmnd)
goto out;
}
+ if (phba->cfg_poll & DISABLE_FCP_RING_INT)
+ lpfc_sli_poll_fcp_ring (phba);
+
/* Wait for abort to complete */
while (lpfc_cmd->pCmd == cmnd)
{
+ if (phba->cfg_poll & DISABLE_FCP_RING_INT)
+ lpfc_sli_poll_fcp_ring (phba);
+
spin_unlock_irq(phba->host->host_lock);
schedule_timeout_uninterruptible(LPFC_ABORT_WAIT*HZ);
spin_lock_irq(phba->host->host_lock);
@@ -844,26 +966,19 @@ __lpfc_abort_handler(struct scsi_cmnd *cmnd)
out:
lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
- "%d:0749 SCSI layer issued abort device: ret %#x, "
- "ID %d, LUN %d, snum %#lx\n",
+ "%d:0749 SCSI Layer I/O Abort Request "
+ "Status x%x ID %d LUN %d snum %#lx\n",
phba->brd_no, ret, cmnd->device->id,
cmnd->device->lun, cmnd->serial_number);
- return ret;
-}
+ spin_unlock_irq(shost->host_lock);
+ lpfc_unblock_requests(phba);
-static int
-lpfc_abort_handler(struct scsi_cmnd *cmnd)
-{
- int rc;
- spin_lock_irq(cmnd->device->host->host_lock);
- rc = __lpfc_abort_handler(cmnd);
- spin_unlock_irq(cmnd->device->host->host_lock);
- return rc;
+ return ret;
}
static int
-__lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
+lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
{
struct Scsi_Host *shost = cmnd->device->host;
struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
@@ -871,9 +986,12 @@ __lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
struct lpfc_iocbq *iocbq, *iocbqrsp;
struct lpfc_rport_data *rdata = cmnd->device->hostdata;
struct lpfc_nodelist *pnode = rdata->pnode;
+ uint32_t cmd_result = 0, cmd_status = 0;
int ret = FAILED;
int cnt, loopcnt;
+ lpfc_block_requests(phba);
+ spin_lock_irq(shost->host_lock);
/*
* If target is not in a MAPPED state, delay the reset until
* target is rediscovered or nodev timeout expires.
@@ -891,7 +1009,7 @@ __lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
break;
}
- lpfc_cmd = lpfc_sli_get_scsi_buf (phba);
+ lpfc_cmd = lpfc_get_scsi_buf (phba);
if (lpfc_cmd == NULL)
goto out;
@@ -916,26 +1034,28 @@ __lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
if (ret == IOCB_SUCCESS)
ret = SUCCESS;
- lpfc_cmd->result = iocbqrsp->iocb.un.ulpWord[4];
- lpfc_cmd->status = iocbqrsp->iocb.ulpStatus;
- if (lpfc_cmd->status == IOSTAT_LOCAL_REJECT)
- if (lpfc_cmd->result & IOERR_DRVR_MASK)
- lpfc_cmd->status = IOSTAT_DRIVER_REJECT;
+
+ cmd_result = iocbqrsp->iocb.un.ulpWord[4];
+ cmd_status = iocbqrsp->iocb.ulpStatus;
+
+ lpfc_sli_release_iocbq(phba, iocbqrsp);
+ lpfc_release_scsi_buf(phba, lpfc_cmd);
/*
- * All outstanding txcmplq I/Os should have been aborted by the target.
+ * All outstanding txcmplq I/Os should have been aborted by the device.
* Unfortunately, some targets do not abide by this forcing the driver
* to double check.
*/
- lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
- cmnd->device->id, cmnd->device->lun, 0,
- LPFC_CTX_LUN);
-
+ cnt = lpfc_sli_sum_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
+ cmnd->device->id, cmnd->device->lun,
+ LPFC_CTX_LUN);
+ if (cnt)
+ lpfc_sli_abort_iocb(phba,
+ &phba->sli.ring[phba->sli.fcp_ring],
+ cmnd->device->id, cmnd->device->lun,
+ 0, LPFC_CTX_LUN);
loopcnt = 0;
- while((cnt = lpfc_sli_sum_iocb(phba,
- &phba->sli.ring[phba->sli.fcp_ring],
- cmnd->device->id, cmnd->device->lun,
- LPFC_CTX_LUN))) {
+ while(cnt) {
spin_unlock_irq(phba->host->host_lock);
schedule_timeout_uninterruptible(LPFC_RESET_WAIT*HZ);
spin_lock_irq(phba->host->host_lock);
@@ -943,6 +1063,11 @@ __lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
if (++loopcnt
> (2 * phba->cfg_nodev_tmo)/LPFC_RESET_WAIT)
break;
+
+ cnt = lpfc_sli_sum_iocb(phba,
+ &phba->sli.ring[phba->sli.fcp_ring],
+ cmnd->device->id, cmnd->device->lun,
+ LPFC_CTX_LUN);
}
if (cnt) {
@@ -952,35 +1077,21 @@ __lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
ret = FAILED;
}
- lpfc_sli_release_iocbq(phba, iocbqrsp);
-
out_free_scsi_buf:
lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
"%d:0713 SCSI layer issued LUN reset (%d, %d) "
"Data: x%x x%x x%x\n",
- phba->brd_no, lpfc_cmd->pCmd->device->id,
- lpfc_cmd->pCmd->device->lun, ret, lpfc_cmd->status,
- lpfc_cmd->result);
- lpfc_release_scsi_buf(phba, lpfc_cmd);
+ phba->brd_no, cmnd->device->id,cmnd->device->lun,
+ ret, cmd_status, cmd_result);
+
out:
+ spin_unlock_irq(shost->host_lock);
+ lpfc_unblock_requests(phba);
return ret;
}
static int
-lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
-{
- int rc;
- spin_lock_irq(cmnd->device->host->host_lock);
- rc = __lpfc_reset_lun_handler(cmnd);
- spin_unlock_irq(cmnd->device->host->host_lock);
- return rc;
-}
-
-/*
- * Note: midlayer calls this function with the host_lock held
- */
-static int
-__lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
+lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
{
struct Scsi_Host *shost = cmnd->device->host;
struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
@@ -991,7 +1102,10 @@ __lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
unsigned int midlayer_id = 0;
struct lpfc_scsi_buf * lpfc_cmd;
- lpfc_cmd = lpfc_sli_get_scsi_buf (phba);
+ lpfc_block_requests(phba);
+ spin_lock_irq(shost->host_lock);
+
+ lpfc_cmd = lpfc_get_scsi_buf(phba);
if (lpfc_cmd == NULL)
goto out;
@@ -1022,18 +1136,31 @@ __lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
lpfc_cmd->pCmd->device->hostdata = ndlp->rport->dd_data;
ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba);
if (ret != SUCCESS) {
- lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
+ lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
"%d:0713 Bus Reset on target %d failed\n",
phba->brd_no, i);
err_count++;
}
}
+ if (err_count == 0)
+ ret = SUCCESS;
+
+ lpfc_release_scsi_buf(phba, lpfc_cmd);
+
+ /*
+ * All outstanding txcmplq I/Os should have been aborted by
+ * the targets. Unfortunately, some targets do not abide by
+ * this forcing the driver to double check.
+ */
cmnd->device->id = midlayer_id;
+ cnt = lpfc_sli_sum_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
+ 0, 0, LPFC_CTX_HOST);
+ if (cnt)
+ lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
+ 0, 0, 0, LPFC_CTX_HOST);
loopcnt = 0;
- while((cnt = lpfc_sli_sum_iocb(phba,
- &phba->sli.ring[phba->sli.fcp_ring],
- 0, 0, LPFC_CTX_HOST))) {
+ while(cnt) {
spin_unlock_irq(phba->host->host_lock);
schedule_timeout_uninterruptible(LPFC_RESET_WAIT*HZ);
spin_lock_irq(phba->host->host_lock);
@@ -1041,45 +1168,31 @@ __lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
if (++loopcnt
> (2 * phba->cfg_nodev_tmo)/LPFC_RESET_WAIT)
break;
+
+ cnt = lpfc_sli_sum_iocb(phba,
+ &phba->sli.ring[phba->sli.fcp_ring],
+ 0, 0, LPFC_CTX_HOST);
}
if (cnt) {
- /* flush all outstanding commands on the host */
- i = lpfc_sli_abort_iocb(phba,
- &phba->sli.ring[phba->sli.fcp_ring], 0, 0, 0,
- LPFC_CTX_HOST);
-
- lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
+ lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
"%d:0715 Bus Reset I/O flush failure: cnt x%x left x%x\n",
phba->brd_no, cnt, i);
- }
-
- if (cnt == 0)
- ret = SUCCESS;
- else
ret = FAILED;
+ }
- lpfc_release_scsi_buf(phba, lpfc_cmd);
lpfc_printf_log(phba,
KERN_ERR,
LOG_FCP,
"%d:0714 SCSI layer issued Bus Reset Data: x%x\n",
phba->brd_no, ret);
out:
+ spin_unlock_irq(shost->host_lock);
+ lpfc_unblock_requests(phba);
return ret;
}
static int
-lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
-{
- int rc;
- spin_lock_irq(cmnd->device->host->host_lock);
- rc = __lpfc_reset_bus_handler(cmnd);
- spin_unlock_irq(cmnd->device->host->host_lock);
- return rc;
-}
-
-static int
lpfc_slave_alloc(struct scsi_device *sdev)
{
struct lpfc_hba *phba = (struct lpfc_hba *)sdev->host->hostdata[0];
@@ -1127,10 +1240,10 @@ lpfc_slave_alloc(struct scsi_device *sdev)
break;
}
- spin_lock_irqsave(phba->host->host_lock, flags);
+ spin_lock_irqsave(&phba->scsi_buf_list_lock, flags);
phba->total_scsi_bufs++;
list_add_tail(&scsi_buf->list, &phba->lpfc_scsi_buf_list);
- spin_unlock_irqrestore(phba->host->host_lock, flags);
+ spin_unlock_irqrestore(&phba->scsi_buf_list_lock, flags);
}
return 0;
}
@@ -1154,6 +1267,12 @@ lpfc_slave_configure(struct scsi_device *sdev)
*/
rport->dev_loss_tmo = phba->cfg_nodev_tmo + 5;
+ if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
+ lpfc_sli_poll_fcp_ring(phba);
+ if (phba->cfg_poll & DISABLE_FCP_RING_INT)
+ lpfc_poll_rearm_timer(phba);
+ }
+
return 0;
}
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index e2c08c5d83fb..7b785ade8b07 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -886,6 +886,182 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring,
return rc;
}
+static void lpfc_sli_rsp_pointers_error(struct lpfc_hba * phba,
+ struct lpfc_sli_ring * pring)
+{
+ struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno];
+ /*
+ * Ring <ringno> handler: portRspPut <portRspPut> is bigger then
+ * rsp ring <portRspMax>
+ */
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "%d:0312 Ring %d handler: portRspPut %d "
+ "is bigger then rsp ring %d\n",
+ phba->brd_no, pring->ringno,
+ le32_to_cpu(pgp->rspPutInx),
+ pring->numRiocb);
+
+ phba->hba_state = LPFC_HBA_ERROR;
+
+ /*
+ * All error attention handlers are posted to
+ * worker thread
+ */
+ phba->work_ha |= HA_ERATT;
+ phba->work_hs = HS_FFER3;
+ if (phba->work_wait)
+ wake_up(phba->work_wait);
+
+ return;
+}
+
+void lpfc_sli_poll_fcp_ring(struct lpfc_hba * phba)
+{
+ struct lpfc_sli * psli = &phba->sli;
+ struct lpfc_sli_ring * pring = &psli->ring[LPFC_FCP_RING];
+ IOCB_t *irsp = NULL;
+ IOCB_t *entry = NULL;
+ struct lpfc_iocbq *cmdiocbq = NULL;
+ struct lpfc_iocbq rspiocbq;
+ struct lpfc_pgp *pgp;
+ uint32_t status;
+ uint32_t portRspPut, portRspMax;
+ int type;
+ uint32_t rsp_cmpl = 0;
+ void __iomem *to_slim;
+ uint32_t ha_copy;
+
+ pring->stats.iocb_event++;
+
+ /* The driver assumes SLI-2 mode */
+ pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno];
+
+ /*
+ * The next available response entry should never exceed the maximum
+ * entries. If it does, treat it as an adapter hardware error.
+ */
+ portRspMax = pring->numRiocb;
+ portRspPut = le32_to_cpu(pgp->rspPutInx);
+ if (unlikely(portRspPut >= portRspMax)) {
+ lpfc_sli_rsp_pointers_error(phba, pring);
+ return;
+ }
+
+ rmb();
+ while (pring->rspidx != portRspPut) {
+
+ entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx);
+
+ if (++pring->rspidx >= portRspMax)
+ pring->rspidx = 0;
+
+ lpfc_sli_pcimem_bcopy((uint32_t *) entry,
+ (uint32_t *) &rspiocbq.iocb,
+ sizeof (IOCB_t));
+ irsp = &rspiocbq.iocb;
+ type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK);
+ pring->stats.iocb_rsp++;
+ rsp_cmpl++;
+
+ if (unlikely(irsp->ulpStatus)) {
+ /* Rsp ring <ringno> error: IOCB */
+ lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
+ "%d:0326 Rsp Ring %d error: IOCB Data: "
+ "x%x x%x x%x x%x x%x x%x x%x x%x\n",
+ phba->brd_no, pring->ringno,
+ irsp->un.ulpWord[0],
+ irsp->un.ulpWord[1],
+ irsp->un.ulpWord[2],
+ irsp->un.ulpWord[3],
+ irsp->un.ulpWord[4],
+ irsp->un.ulpWord[5],
+ *(((uint32_t *) irsp) + 6),
+ *(((uint32_t *) irsp) + 7));
+ }
+
+ switch (type) {
+ case LPFC_ABORT_IOCB:
+ case LPFC_SOL_IOCB:
+ /*
+ * Idle exchange closed via ABTS from port. No iocb
+ * resources need to be recovered.
+ */
+ if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) {
+ printk(KERN_INFO "%s: IOCB cmd 0x%x processed."
+ " Skipping completion\n", __FUNCTION__,
+ irsp->ulpCommand);
+ break;
+ }
+
+ cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring,
+ &rspiocbq);
+ if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) {
+ (cmdiocbq->iocb_cmpl)(phba, cmdiocbq,
+ &rspiocbq);
+ }
+ break;
+ default:
+ if (irsp->ulpCommand == CMD_ADAPTER_MSG) {
+ char adaptermsg[LPFC_MAX_ADPTMSG];
+ memset(adaptermsg, 0, LPFC_MAX_ADPTMSG);
+ memcpy(&adaptermsg[0], (uint8_t *) irsp,
+ MAX_MSG_DATA);
+ dev_warn(&((phba->pcidev)->dev), "lpfc%d: %s",
+ phba->brd_no, adaptermsg);
+ } else {
+ /* Unknown IOCB command */
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "%d:0321 Unknown IOCB command "
+ "Data: x%x, x%x x%x x%x x%x\n",
+ phba->brd_no, type,
+ irsp->ulpCommand,
+ irsp->ulpStatus,
+ irsp->ulpIoTag,
+ irsp->ulpContext);
+ }
+ break;
+ }
+
+ /*
+ * The response IOCB has been processed. Update the ring
+ * pointer in SLIM. If the port response put pointer has not
+ * been updated, sync the pgp->rspPutInx and fetch the new port
+ * response put pointer.
+ */
+ to_slim = phba->MBslimaddr +
+ (SLIMOFF + (pring->ringno * 2) + 1) * 4;
+ writeb(pring->rspidx, to_slim);
+
+ if (pring->rspidx == portRspPut)
+ portRspPut = le32_to_cpu(pgp->rspPutInx);
+ }
+
+ ha_copy = readl(phba->HAregaddr);
+ ha_copy >>= (LPFC_FCP_RING * 4);
+
+ if ((rsp_cmpl > 0) && (ha_copy & HA_R0RE_REQ)) {
+ pring->stats.iocb_rsp_full++;
+ status = ((CA_R0ATT | CA_R0RE_RSP) << (LPFC_FCP_RING * 4));
+ writel(status, phba->CAregaddr);
+ readl(phba->CAregaddr);
+ }
+ if ((ha_copy & HA_R0CE_RSP) &&
+ (pring->flag & LPFC_CALL_RING_AVAILABLE)) {
+ pring->flag &= ~LPFC_CALL_RING_AVAILABLE;
+ pring->stats.iocb_cmd_empty++;
+
+ /* Force update of the local copy of cmdGetInx */
+ pring->local_getidx = le32_to_cpu(pgp->cmdGetInx);
+ lpfc_sli_resume_iocb(phba, pring);
+
+ if ((pring->lpfc_sli_cmd_available))
+ (pring->lpfc_sli_cmd_available) (phba, pring);
+
+ }
+
+ return;
+}
+
/*
* This routine presumes LPFC_FCP_RING handling and doesn't bother
* to check it explicitly.
@@ -917,24 +1093,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
portRspMax = pring->numRiocb;
portRspPut = le32_to_cpu(pgp->rspPutInx);
if (unlikely(portRspPut >= portRspMax)) {
- /*
- * Ring <ringno> handler: portRspPut <portRspPut> is bigger then
- * rsp ring <portRspMax>
- */
- lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
- "%d:0312 Ring %d handler: portRspPut %d "
- "is bigger then rsp ring %d\n",
- phba->brd_no, pring->ringno, portRspPut,
- portRspMax);
-
- phba->hba_state = LPFC_HBA_ERROR;
-
- /* All error attention handlers are posted to worker thread */
- phba->work_ha |= HA_ERATT;
- phba->work_hs = HS_FFER3;
- if (phba->work_wait)
- wake_up(phba->work_wait);
-
+ lpfc_sli_rsp_pointers_error(phba, pring);
spin_unlock_irqrestore(phba->host->host_lock, iflag);
return 1;
}
@@ -947,6 +1106,10 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
* network byte order and pci byte orders are different.
*/
entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx);
+
+ if (++pring->rspidx >= portRspMax)
+ pring->rspidx = 0;
+
lpfc_sli_pcimem_bcopy((uint32_t *) entry,
(uint32_t *) &rspiocbq.iocb,
sizeof (IOCB_t));
@@ -1020,9 +1183,6 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
* been updated, sync the pgp->rspPutInx and fetch the new port
* response put pointer.
*/
- if (++pring->rspidx >= portRspMax)
- pring->rspidx = 0;
-
to_slim = phba->MBslimaddr +
(SLIMOFF + (pring->ringno * 2) + 1) * 4;
writel(pring->rspidx, to_slim);
@@ -2615,6 +2775,7 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba,
DECLARE_WAIT_QUEUE_HEAD(done_q);
long timeleft, timeout_req = 0;
int retval = IOCB_SUCCESS;
+ uint32_t creg_val;
/*
* If the caller has provided a response iocbq buffer, then context2
@@ -2630,6 +2791,13 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba,
piocb->context_un.wait_queue = &done_q;
piocb->iocb_flag &= ~LPFC_IO_WAKE;
+ if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
+ creg_val = readl(phba->HCregaddr);
+ creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
+ writel(creg_val, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+ }
+
retval = lpfc_sli_issue_iocb(phba, pring, piocb, 0);
if (retval == IOCB_SUCCESS) {
timeout_req = timeout * HZ;
@@ -2663,6 +2831,13 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba,
retval = IOCB_ERROR;
}
+ if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
+ creg_val = readl(phba->HCregaddr);
+ creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
+ writel(creg_val, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+ }
+
if (prspiocbq)
piocb->context2 = NULL;
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 4f0466fbd5f2..fa681a934ffe 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
* included with this package. *
*******************************************************************/
-#define LPFC_DRIVER_VERSION "8.1.0"
+#define LPFC_DRIVER_VERSION "8.1.1"
#define LPFC_DRIVER_NAME "lpfc"
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.