scsi/lpfc/lpfc_init.c

110  * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
406  * This routine will do LPFC initialization after the CONFIG_PORT mailbox
726  * This routine will issue the INIT_LINK mailbox command call.
747  * This routine will issue the INIT_LINK mailbox command call.
828  * lpfc_hba_down_link - this routine downs the FC link
832  * This routine will issue the DOWN_LINK mailbox command call.
875  * This routine will do LPFC uninitialization before the HBA is reset when
913  * This routine will cleanup completed slow path events after HBA is reset
957  * This routine will cleanup posted ELS buffers after the HBA is reset
1000  * This routine will cleanup the txcmplq after the HBA is reset when bringing
1057  * This routine will do uninitialization after the HBA is reset when bring
1076  * This routine will do uninitialization after the HBA is reset when bring
1164  * lpfc_hba_down_post - Wrapper func for hba down post routine
1167  * This routine wraps the actual SLI3 or SLI4 routine for performing
1188  * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
1222  * handler routine, lpfc_rrq_handler. Any periodical operations will
1283  * This routine tracks per-eq idle_stat and determines polling decisions.
1420  * For each heartbeat, this routine does some heuristic methods to adjust
1447  * If a HB mbox is not already in progrees, this routine will allocate
1486  * If lpfc_enable_hba_heartbeat is set, the timeout routine will always
1630  * This routine is called to bring the HBA offline when HBA hardware error
1659  * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1685  * This routine is invoked to handle the deferred HBA hardware error
1779  * This routine is invoked to handle the following HBA hardware error
1907  * This routine is invoked to perform an SLI4 port PCI function reset in
1985  * This routine is invoked to handle the SLI4 HBA hardware error attention
2173  * This routine wraps the actual SLI3 or SLI4 hba error attention handling
2174  * routine from the API jump table function pointer from the lpfc_hba struct.
2190  * This routine is invoked from the worker thread to handle a HBA host
2363  * This routine parses the Vital Product Data (VPD). The VPD is treated as
2364  * an array of characters. In this routine, the ModelName, ProgramType, and
2431  * This routine retrieves HBA's description based on its registered PCI device
2515  * This routine retrieves HBA's description based on its registered PCI device
2786  * This routine posts a given number of IOCBs with the associated DMA buffer
2886  * This routine posts initial receive IOCB buffers to the ELS ring. The
2911  * This routine sets up the initial values to the array of hash table entries
2929  * This routine iterates an initial hash table pointed by @HashResultPointer
2986  * This routine calculates the working hash array referred by @HashWorking
3002  * This routine performs the special handling for LC HBA initialization.
3030  * This routine performs the necessary cleanups before deleting the @vport.
3125  * This routine stops all the timers associated with a @vport. This function
3142  * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
3143  * caller of this routine should already hold the host lock.
3159  * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
3304  * This routine stops all the timers associated with a HBA. This function is
3347  * This routine marks a HBA's management interface as blocked. Once the HBA's
3441  * This routine moves a batch of XRIs from lpfc_io_buf_list_put of HWQ 0
3476  * This routine returns XRIs from expedite pool to lpfc_io_buf_list_put
3508  * This routine initialize public, private per HWQ. Then, move XRIs from
3597  * This routine returns XRIs from public/private to lpfc_io_buf_list_put.
3680  * This routine initializes the HBA and brings a HBA online. During this
3771  * This routine marks a HBA's management interface as not blocked. Once the
3793  * This routine is invoked to prepare a HBA to be brought offline. It performs
3902  * This routine actually brings a HBA offline. It stops all the timers
3962  * This routine is to free all the SCSI buffers and IOCBs from the driver
4006  * This routine is to free all the IO buffers and IOCBs from the driver
4058  * This routine first calculates the sizes of the current els and allocated
4176  * This routine first calculates the sizes of the current els and allocated
4396  * This routine first calculates the sizes of the current els and allocated
4480  * This routine allocates nvme buffers for device with SLI-4 interface spec,
4644  * This routine allocated the resources needed for the VMID.
4694  * This routine creates a FC port for the upper layer protocol. The FC port
4696  * by the HBA. This routine also allocates a SCSI host data structure (shost)
4861  * This routine destroys a FC port from the upper layer protocol. All the
4885  * This routine allocates a unique integer ID from lpfc_hba_index pool. It
4906  * This routine is called by the SCSI layer with a SCSI host to determine
4999  * This routine initializes a given SCSI host attributes on a FC port. The
5046  * This routine is invoked to stop an SLI3 device port, it stops the device
5069  * This routine is invoked to stop an SLI4 device port, it stops the device
5087  * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
5103  * This routine starts the timer waiting for the FCF rediscovery to complete.
5124  * This routine is invoked when waiting for FCF table rediscover has been
5156  * This routine is invoked when there is no I/O on by a VM for the specified
5193  * This routine is to parse the SLI4 link-attention link fault code.
5227  * This routine is to parse the SLI4 link attention type and translate it
5264  * This routine is to get an SLI3 FC port's link speed in Mbps.
5315  * This routine is to parse the giving SLI4 async event link speed code into
5410  * This routine is to handle the SLI4 asynchronous FCoE link event.
5494 	 * the READ_TOPOLOGY completion routine to continue without actually  in lpfc_sli4_async_link_evt()
5534  * This routine is to parse the giving SLI4 async event link speed code into
5703 	/* We should get to this point in the routine on 1 minute intervals */  in lpfc_cmf_stats_timer()
5910  * The routine calculates the latency from the beginning of the CMF timer
5922 	/* This routine works on a ms granularity so sec and usec are  in lpfc_calc_cmf_latency()
5979 	/* Do not block SCSI IO while in the timer routine since  in lpfc_cmf_timer()
6214  * This routine is to handle the SLI4 asynchronous FC event. It will simply log
6400  * This routine is to handle the SLI4 asynchronous SLI events.
6651  * This routine is to perform Clear Virtual Link (CVL) on a vport in
6703  * This routine is to perform Clear Virtual Link (CVL) on all vports in
6724  * This routine is to handle the SLI4 asynchronous fcoe event.
6975  * This routine is to handle the SLI4 asynchronous dcbx event.
6992  * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
7017  * This routine is to handle the SLI4 asynchronous cmstat event. A cmstat event
7033  * This routine validates the congestion parameters passed
7064  * This routine validates the congestion management buffer signature
7106 		 * by this routine.  No need to fail.  in lpfc_cgn_params_parse()
7204  * This routine issues a read_object mailbox command to
7260  * The FW generated Async ACQE SLI event calls this routine when
7264  * This routine executes a Read_Object mailbox call to obtain the
7305  * This routine is invoked by the worker thread to process all the pending
7372  * This routine is invoked by the worker thread to process FCF table
7403  * This routine is invoked to set up the per HBA PCI-Device group function
7445  * This routine it invoked to log the currently used active interrupt mode
7475  * This routine is invoked to enable the PCI device that is common to all
7521  * This routine is invoked to disable the PCI device that is common to all
7545  * This routine is invoked to reset a hba device. It brings the HBA
7663  * This routine is invoked to set up the driver internal resources before the
7741  * This routine is invoked to set up the driver internal resources specific to
7891  * This routine is invoked to unset the driver internal resources set up
7907  * This routine is invoked to set up the driver internal resources specific to
8497  * This routine is invoked to unset the driver internal resources set up
8562  * This routine sets up the device INIT interface API function jump table
8597  * This routine is invoked to set up the driver internal resources after the
8624  * This routine is invoked to unset the driver internal resources set up after
8645  * This routine is invoked to free the driver's IOCB list and memory.
8669  * This routine is invoked to allocate and initizlize the driver's IOCB
8723  * This routine is invoked to free a give sgl list and memory.
8741  * This routine is invoked to free the driver's els sgl list and memory.
8761  * This routine is invoked to free the driver's nvmet sgl list and memory.
8794  * This routine is invoked to allocate the driver's active sgl memory.
8815  * This routine is invoked to walk through the array of active sglq entries
8829  * This routine is invoked to allocate and initizlize the driver's sgl
8853  * This routine is invoked to post rpi header templates to the
8854  * port for those SLI4 ports that do not support extents.  This routine
8856  * PAGE_SIZE modulo 64 rpi context headers.  This is an initialization routine
8890  * This routine is invoked to allocate a single 4KB memory region to
8983  * This routine is invoked to remove all memory resources allocated
8984  * to support rpis for SLI4 ports not supporting extents. This routine
9013  * This routine is invoked to allocate the driver hba data structure for an
9054  * This routine is invoked to free the driver hba data structure with an
9078  * This routine is will setup initial FDMI attribute masks for
9108  * This routine is invoked to create HBA physical port and associate a SCSI
9160  * This routine is invoked to destroy HBA physical port and the associated
9179  * This routine sets up the local Block guard protocol settings for @shost.
9180  * This routine also allocates memory for debugging bg buffers.
9230  * This routine is invoked to perform all the necessary post initialization
9273  * This routine is invoked to set up the PCI device memory space for device
9381  * This routine is invoked to unset the PCI device memory space for device
9412  * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
9559  * This routine is invoked to set up SLI4 BAR0 PCI config space register
9649  * This routine is invoked to set up SLI4 BAR1 register memory map.
9693  * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
9725  * This routine is invoked to create the bootstrap mailbox
9727  * routine allocates all memory necessary to communicate
9730  * this routine.
9800  * This routine is invoked to teardown the bootstrap mailbox
9801  * region and release all host resources. This routine requires
9804  * before calling this routine.
9837  * This routine is invoked to map the topology values as read
9903  * This routine is invoked to read the configuration parameters from the HBA.
10268  * This routine is invoked to setup the port-side endian order when
10269  * the port if_type is 0.  This routine has no function for other
10327  * This routine is invoked to check the user settable queue counts for EQs.
10328  * After this routine is called the counts will be set to valid values that
10426  * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
10863  * This routine is invoked to release all the SLI4 queues with the FCoE HBA
11029  * This routine will populate the cq_lookup table by all
11061  * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
11421  * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
11509  * This routine is invoked to allocate and set up a pool of completion queue
11511  * CQE. For now, this pool is used for the interrupt service routine to queue
11545  * This routine is invoked to free the pool of completion queue events at
11547  * cleanup routine to free all the outstanding completion-queue events
11548  * allocated from this pool back into the pool before invoking this routine
11567  * This routine is the lock free version of the API invoked to allocate a
11587  * This routine is the lock version of the API invoked to allocate a
11610  * This routine is the lock free version of the API invoked to release a
11625  * This routine is the lock version of the API invoked to release a
11642  * This routine is to free all the pending completion-queue events to the
11677  * This routine is invoked to request a PCI function reset. It will destroys
11812  * This routine is invoked to set up the PCI device memory space for device
12033  * This routine is invoked to unset the PCI device memory space for device
12071  * This routine is invoked to enable the MSI-X interrupt vectors to device
12172  * This routine is invoked to enable the MSI interrupt mode to device with
12212  * This routine is invoked to enable device interrupt and associate driver's
12273  * This routine is invoked to disable device interrupt and disassociate the
12365  * The routine assigns eq info into vector_map structure
12386  * The routine initializes the cpu_map array structure
12412  * The routine initializes the hba_eq_hdl array structure
12432  * The routine will figure out the CPU affinity assignment for every
12966  * This routine is invoked to enable the MSI-X interrupt vectors to device
13136  * This routine is invoked to enable the MSI interrupt mode to device with
13199  * This routine is invoked to enable device interrupt and associate driver's
13279  * This routine is invoked to disable device interrupt and disassociate
13313  * This routine is invoked to unset the HBA device initialization steps to
13440  * function. The caller is not required to hold any lock. This routine
13557  * The routine corresponds with the algorithm the HBA firmware
13730  * for the completion.  The expectation is that this routine is called
13731  * typically from probe_one or from the online routine.
13935  * This routine is to be called to attach a device with SLI-3 interface spec
13940  * invokes this routine. If this routine determines it can claim the HBA, it
14102  * This routine is to be called to disattach a device with SLI-3 interface
14201  * This routine is to be called from the kernel's PCI subsystem to support
14241  * This routine is to be called from the kernel's PCI subsystem to support
14305  * This routine is called to prepare the SLI3 device for PCI slot recover. It
14325  * This routine is called to prepare the SLI3 device for PCI slot reset. It
14356  * This routine is called to prepare the SLI3 device for PCI slot permanently
14381  * This routine is called from the PCI subsystem for I/O error handling to
14426  * This routine is called from the PCI subsystem for error handling to
14431  * recovery and then call this routine before calling the .resume method
14495  * This routine is called from the PCI subsystem for error handling to device
14718  * This routine is called to perform Linux generic firmware upgrade on device
14756  * This routine is called from the kernel's PCI subsystem to device with
14761  * core invokes this routine. If this routine determines it can claim the HBA,
14946  * This routine is called from the kernel's PCI subsystem to device with
15033  * This routine is called from the kernel's PCI subsystem to support system
15074  * This routine is called from the kernel's PCI subsystem to support system
15134  * This routine is called to prepare the SLI4 device for PCI slot recover. It
15153  * This routine is called to prepare the SLI4 device for PCI slot reset. It
15189  * This routine is called to prepare the SLI4 device for PCI slot permanently
15214  * This routine is called from the PCI subsystem for error handling to device
15268  * This routine is called from the PCI subsystem for error handling to device
15273  * recovery and then call this routine before calling the .resume method to
15340  * This routine is called from the PCI subsystem for error handling to device
15371  * This routine is to be registered to the kernel's PCI subsystem. When an
15375  * successful, the driver core invokes this routine. This routine dispatches
15376  * the action to the proper SLI-3 or SLI-4 device probing routine, which will
15406  * This routine is to be registered to the kernel's PCI subsystem. When an
15407  * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
15408  * This routine dispatches the action to the proper SLI-3 or SLI-4 device
15409  * remove routine, which will perform all the necessary cleanup for the
15438  * This routine is to be registered to the kernel's PCI subsystem to support
15440  * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
15474  * This routine is to be registered to the kernel's PCI subsystem to support
15476  * the action to the proper SLI-3 or SLI-4 device resume routine, which will
15511  * This routine is registered to the PCI subsystem for error handling. This
15513  * this device has been detected. When this routine is invoked, it dispatches
15515  * routine, which will perform the proper error detected operation.
15552  * This routine is registered to the PCI subsystem for error handling. This
15554  * from scratch, as if from a cold-boot. When this routine is invoked, it
15556  * routine, which will perform the proper device reset.
15589  * This routine is registered to the PCI subsystem for error handling. It
15592  * this routine is invoked, it dispatches the action to the proper SLI-3
15593  * or SLI-4 device io_resume routine, which will resume the device operation.
15621  * This routine checks to see if OAS is supported for this adapter. If
15649  * This routine checks to see if RAS is supported by the adapter. Check the
15705  * lpfc_init - lpfc module initialization routine
15707  * This routine is to be invoked when the lpfc module is loaded into the
15709  * role of this routine to the kernel as lpfc module entry point.
15854  * lpfc_exit - lpfc module removal routine
15856  * This routine is invoked when the lpfc module is removed from the kernel.
15858  * this routine to the kernel as lpfc module exit point.