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scsi: fnic: Modify IO path to use FDLS

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Modify IO path to use FDLS.

Add helper functions to process IOs.

Remove unused template functions.

Clean up obsolete code.

Refactor old function definitions.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202410210147.fQp7tYeb-lkp@intel.com/

Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com>
Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com>
Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com>
Reviewed-by: Arun Easi <aeasi@cisco.com>
Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com>
Link: https://lore.kernel.org/r/20241212020312.4786-11-kartilak@cisco.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Karan Tilak Kumar
2024-12-11 18:03:07 -08:00
committed by Martin K. Petersen
parent 9cf9fe2f3e
commit 6335be1c50
5 changed files with 512 additions and 377 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/scsi/fnic/fnic.h
View File

@@ -479,7 +479,6 @@ int fnic_set_intr_mode_msix(struct fnic *fnic);
void fnic_free_intr(struct fnic *fnic);
int fnic_request_intr(struct fnic *fnic);
int fnic_send(struct fc_lport *, struct fc_frame *);
void fnic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf);
void fnic_handle_frame(struct work_struct *work);
void fnic_tport_event_handler(struct work_struct *work);
@@ -499,11 +498,9 @@ int fnic_abort_cmd(struct scsi_cmnd *);
int fnic_device_reset(struct scsi_cmnd *);
int fnic_eh_host_reset_handler(struct scsi_cmnd *sc);
int fnic_host_reset(struct Scsi_Host *shost);
int fnic_reset(struct Scsi_Host *);
void fnic_scsi_cleanup(struct fc_lport *);
void fnic_scsi_abort_io(struct fc_lport *);
void fnic_empty_scsi_cleanup(struct fc_lport *);
void fnic_exch_mgr_reset(struct fc_lport *, u32, u32);
void fnic_reset(struct Scsi_Host *shost);
int fnic_issue_fc_host_lip(struct Scsi_Host *shost);
void fnic_scsi_fcpio_reset(struct fnic *fnic);
int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int copy_work_to_do, unsigned int cq_index);
int fnic_wq_cmpl_handler(struct fnic *fnic, int);
int fnic_flogi_reg_handler(struct fnic *fnic, u32);
@@ -515,7 +512,8 @@ const char *fnic_state_to_str(unsigned int state);
void fnic_mq_map_queues_cpus(struct Scsi_Host *host);
void fnic_log_q_error(struct fnic *fnic);
void fnic_handle_link_event(struct fnic *fnic);
void fnic_stats_debugfs_init(struct fnic *fnic);
void fnic_stats_debugfs_remove(struct fnic *fnic);
int fnic_is_abts_pending(struct fnic *, struct scsi_cmnd *);
void fnic_handle_fip_frame(struct work_struct *work);
@@ -536,6 +534,13 @@ int fnic_get_desc_by_devid(struct pci_dev *pdev, char **desc,
void fnic_fdls_link_status_change(struct fnic *fnic, int linkup);
void fnic_delete_fcp_tports(struct fnic *fnic);
void fnic_flush_tport_event_list(struct fnic *fnic);
int fnic_count_ioreqs_wq(struct fnic *fnic, u32 hwq, u32 portid);
unsigned int fnic_count_ioreqs(struct fnic *fnic, u32 portid);
unsigned int fnic_count_all_ioreqs(struct fnic *fnic);
unsigned int fnic_count_lun_ioreqs_wq(struct fnic *fnic, u32 hwq,
struct scsi_device *device);
unsigned int fnic_count_lun_ioreqs(struct fnic *fnic,
struct scsi_device *device);
struct fnic_scsi_iter_data {
struct fnic *fnic;

3
drivers/scsi/fnic/fnic_io.h
View File

@@ -7,6 +7,7 @@
#define _FNIC_IO_H_
#include <scsi/fc/fc_fcp.h>
#include "fnic_fdls.h"
#define FNIC_DFLT_SG_DESC_CNT 32
#define FNIC_MAX_SG_DESC_CNT 256 /* Maximum descriptors per sgl */
@@ -41,6 +42,8 @@ enum fnic_ioreq_state {
};
struct fnic_io_req {
struct fnic_iport_s *iport;
struct fnic_tport_s *tport;
struct host_sg_desc *sgl_list; /* sgl list */
void *sgl_list_alloc; /* sgl list address used for free */
dma_addr_t sense_buf_pa; /* dma address for sense buffer*/

10
drivers/scsi/fnic/fnic_main.c
View File

@@ -85,12 +85,6 @@ static unsigned int fnic_max_qdepth = FNIC_DFLT_QUEUE_DEPTH;
module_param(fnic_max_qdepth, uint, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(fnic_max_qdepth, "Queue depth to report for each LUN");
static struct libfc_function_template fnic_transport_template = {
.fcp_abort_io = fnic_empty_scsi_cleanup,
.fcp_cleanup = fnic_empty_scsi_cleanup,
.exch_mgr_reset = fnic_exch_mgr_reset
};
struct workqueue_struct *fnic_fip_queue;
static int fnic_slave_alloc(struct scsi_device *sdev)
@@ -163,7 +157,7 @@ static struct fc_function_template fnic_fc_functions = {
.show_starget_port_id = 1,
.show_rport_dev_loss_tmo = 1,
.set_rport_dev_loss_tmo = fnic_set_rport_dev_loss_tmo,
.issue_fc_host_lip = fnic_reset,
.issue_fc_host_lip = fnic_issue_fc_host_lip,
.get_fc_host_stats = fnic_get_stats,
.reset_fc_host_stats = fnic_reset_host_stats,
.dd_fcrport_size = sizeof(struct fc_rport_libfc_priv),
@@ -906,8 +900,6 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
fc_set_wwnn(lp, fnic->config.node_wwn);
fc_set_wwpn(lp, fnic->config.port_wwn);
fcoe_libfc_config(lp, &fnic->ctlr, &fnic_transport_template, 0);
if (!fc_exch_mgr_alloc(lp, FC_CLASS_3, FCPIO_HOST_EXCH_RANGE_START,
FCPIO_HOST_EXCH_RANGE_END, NULL)) {
err = -ENOMEM;

855
drivers/scsi/fnic/fnic_scsi.c
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File diff suppressed because it is too large Load Diff

2
drivers/scsi/fnic/fnic_stats.h
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@@ -127,6 +127,4 @@ struct stats_debug_info {
};
int fnic_get_stats_data(struct stats_debug_info *, struct fnic_stats *);
void fnic_stats_debugfs_init(struct fnic *);
void fnic_stats_debugfs_remove(struct fnic *);
#endif /* _FNIC_STATS_H_ */