drivers/scsi/bfa/bfad_bsg.c:2553:50: sparse: sparse: incorrect type in initializer (different base types)

From: kernel test robot
Date: Fri Nov 03 2023 - 00:18:42 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 431f1051884e38d2a5751e4731d69b2ff289ee56
commit: 2e5a6c3baccd31476ed00c3fbc413b48ddd87993 scsi: bfa: Convert bfad_reset_sdev_bflags() from a macro into a function
date: 12 months ago
config: i386-randconfig-063-20231103 (https://download.01.org/0day-ci/archive/20231103/202311031255.lmSPisIk-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231103/202311031255.lmSPisIk-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311031255.lmSPisIk-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
drivers/scsi/bfa/bfad_bsg.c:2391:25: sparse: sparse: cast to restricted __be32
drivers/scsi/bfa/bfad_bsg.c:2414:38: sparse: sparse: cast to restricted __be16
drivers/scsi/bfa/bfad_bsg.c:2415:38: sparse: sparse: cast to restricted __be16
drivers/scsi/bfa/bfad_bsg.c:2417:33: sparse: sparse: cast to restricted __be32
>> drivers/scsi/bfa/bfad_bsg.c:2553:50: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int const [usertype] scan_flags @@ got restricted blist_flags_t @@
drivers/scsi/bfa/bfad_bsg.c:2553:50: sparse: expected unsigned int const [usertype] scan_flags
drivers/scsi/bfa/bfad_bsg.c:2553:50: sparse: got restricted blist_flags_t
drivers/scsi/bfa/bfad_bsg.c:2562:51: sparse: sparse: invalid assignment: |=
drivers/scsi/bfa/bfad_bsg.c:2562:51: sparse: left side has type restricted blist_flags_t
drivers/scsi/bfa/bfad_bsg.c:2562:51: sparse: right side has type unsigned int
drivers/scsi/bfa/bfad_bsg.c:2564:51: sparse: sparse: invalid assignment: &=
drivers/scsi/bfa/bfad_bsg.c:2564:51: sparse: left side has type restricted blist_flags_t
drivers/scsi/bfa/bfad_bsg.c:2564:51: sparse: right side has type unsigned int
drivers/scsi/bfa/bfad_bsg.c:3407:34: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void * @@
drivers/scsi/bfa/bfad_bsg.c:3407:34: sparse: expected void const [noderef] __user *from
drivers/scsi/bfa/bfad_bsg.c:3407:34: sparse: got void *
drivers/scsi/bfa/bfad_bsg.c:3561:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got void * @@
drivers/scsi/bfa/bfad_bsg.c:3561:27: sparse: expected void [noderef] __user *to
drivers/scsi/bfa/bfad_bsg.c:3561:27: sparse: got void *

vim +2553 drivers/scsi/bfa/bfad_bsg.c

2376
2377 static int
2378 bfad_iocmd_qos_get_attr(struct bfad_s *bfad, void *cmd)
2379 {
2380 struct bfa_bsg_qos_attr_s *iocmd = (struct bfa_bsg_qos_attr_s *)cmd;
2381 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
2382 unsigned long flags;
2383
2384 spin_lock_irqsave(&bfad->bfad_lock, flags);
2385 if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) &&
2386 (fcport->topology == BFA_PORT_TOPOLOGY_LOOP))
2387 iocmd->status = BFA_STATUS_TOPOLOGY_LOOP;
2388 else {
2389 iocmd->attr.state = fcport->qos_attr.state;
2390 iocmd->attr.total_bb_cr =
> 2391 be32_to_cpu(fcport->qos_attr.total_bb_cr);
2392 iocmd->attr.qos_bw.high = fcport->cfg.qos_bw.high;
2393 iocmd->attr.qos_bw.med = fcport->cfg.qos_bw.med;
2394 iocmd->attr.qos_bw.low = fcport->cfg.qos_bw.low;
2395 iocmd->attr.qos_bw_op = fcport->qos_attr.qos_bw_op;
2396 iocmd->status = BFA_STATUS_OK;
2397 }
2398 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
2399
2400 return 0;
2401 }
2402
2403 static int
2404 bfad_iocmd_qos_get_vc_attr(struct bfad_s *bfad, void *cmd)
2405 {
2406 struct bfa_bsg_qos_vc_attr_s *iocmd =
2407 (struct bfa_bsg_qos_vc_attr_s *)cmd;
2408 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
2409 struct bfa_qos_vc_attr_s *bfa_vc_attr = &fcport->qos_vc_attr;
2410 unsigned long flags;
2411 u32 i = 0;
2412
2413 spin_lock_irqsave(&bfad->bfad_lock, flags);
2414 iocmd->attr.total_vc_count = be16_to_cpu(bfa_vc_attr->total_vc_count);
2415 iocmd->attr.shared_credit = be16_to_cpu(bfa_vc_attr->shared_credit);
2416 iocmd->attr.elp_opmode_flags =
2417 be32_to_cpu(bfa_vc_attr->elp_opmode_flags);
2418
2419 /* Individual VC info */
2420 while (i < iocmd->attr.total_vc_count) {
2421 iocmd->attr.vc_info[i].vc_credit =
2422 bfa_vc_attr->vc_info[i].vc_credit;
2423 iocmd->attr.vc_info[i].borrow_credit =
2424 bfa_vc_attr->vc_info[i].borrow_credit;
2425 iocmd->attr.vc_info[i].priority =
2426 bfa_vc_attr->vc_info[i].priority;
2427 i++;
2428 }
2429 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
2430
2431 iocmd->status = BFA_STATUS_OK;
2432 return 0;
2433 }
2434
2435 static int
2436 bfad_iocmd_qos_get_stats(struct bfad_s *bfad, void *cmd)
2437 {
2438 struct bfa_bsg_fcport_stats_s *iocmd =
2439 (struct bfa_bsg_fcport_stats_s *)cmd;
2440 struct bfad_hal_comp fcomp;
2441 unsigned long flags;
2442 struct bfa_cb_pending_q_s cb_qe;
2443 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
2444
2445 init_completion(&fcomp.comp);
2446 bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp,
2447 &fcomp, &iocmd->stats);
2448
2449 spin_lock_irqsave(&bfad->bfad_lock, flags);
2450 WARN_ON(!bfa_ioc_get_fcmode(&bfad->bfa.ioc));
2451 if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) &&
2452 (fcport->topology == BFA_PORT_TOPOLOGY_LOOP))
2453 iocmd->status = BFA_STATUS_TOPOLOGY_LOOP;
2454 else
2455 iocmd->status = bfa_fcport_get_stats(&bfad->bfa, &cb_qe);
2456 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
2457 if (iocmd->status != BFA_STATUS_OK) {
2458 bfa_trc(bfad, iocmd->status);
2459 goto out;
2460 }
2461 wait_for_completion(&fcomp.comp);
2462 iocmd->status = fcomp.status;
2463 out:
2464 return 0;
2465 }
2466
2467 static int
2468 bfad_iocmd_qos_reset_stats(struct bfad_s *bfad, void *cmd)
2469 {
2470 struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)cmd;
2471 struct bfad_hal_comp fcomp;
2472 unsigned long flags;
2473 struct bfa_cb_pending_q_s cb_qe;
2474 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
2475
2476 init_completion(&fcomp.comp);
2477 bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp,
2478 &fcomp, NULL);
2479
2480 spin_lock_irqsave(&bfad->bfad_lock, flags);
2481 WARN_ON(!bfa_ioc_get_fcmode(&bfad->bfa.ioc));
2482 if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) &&
2483 (fcport->topology == BFA_PORT_TOPOLOGY_LOOP))
2484 iocmd->status = BFA_STATUS_TOPOLOGY_LOOP;
2485 else
2486 iocmd->status = bfa_fcport_clear_stats(&bfad->bfa, &cb_qe);
2487 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
2488 if (iocmd->status != BFA_STATUS_OK) {
2489 bfa_trc(bfad, iocmd->status);
2490 goto out;
2491 }
2492 wait_for_completion(&fcomp.comp);
2493 iocmd->status = fcomp.status;
2494 out:
2495 return 0;
2496 }
2497
2498 static int
2499 bfad_iocmd_vf_get_stats(struct bfad_s *bfad, void *cmd)
2500 {
2501 struct bfa_bsg_vf_stats_s *iocmd =
2502 (struct bfa_bsg_vf_stats_s *)cmd;
2503 struct bfa_fcs_fabric_s *fcs_vf;
2504 unsigned long flags;
2505
2506 spin_lock_irqsave(&bfad->bfad_lock, flags);
2507 fcs_vf = bfa_fcs_vf_lookup(&bfad->bfa_fcs, iocmd->vf_id);
2508 if (fcs_vf == NULL) {
2509 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
2510 iocmd->status = BFA_STATUS_UNKNOWN_VFID;
2511 goto out;
2512 }
2513 memcpy((void *)&iocmd->stats, (void *)&fcs_vf->stats,
2514 sizeof(struct bfa_vf_stats_s));
2515 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
2516 iocmd->status = BFA_STATUS_OK;
2517 out:
2518 return 0;
2519 }
2520
2521 static int
2522 bfad_iocmd_vf_clr_stats(struct bfad_s *bfad, void *cmd)
2523 {
2524 struct bfa_bsg_vf_reset_stats_s *iocmd =
2525 (struct bfa_bsg_vf_reset_stats_s *)cmd;
2526 struct bfa_fcs_fabric_s *fcs_vf;
2527 unsigned long flags;
2528
2529 spin_lock_irqsave(&bfad->bfad_lock, flags);
2530 fcs_vf = bfa_fcs_vf_lookup(&bfad->bfa_fcs, iocmd->vf_id);
2531 if (fcs_vf == NULL) {
2532 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
2533 iocmd->status = BFA_STATUS_UNKNOWN_VFID;
2534 goto out;
2535 }
2536 memset((void *)&fcs_vf->stats, 0, sizeof(struct bfa_vf_stats_s));
2537 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
2538 iocmd->status = BFA_STATUS_OK;
2539 out:
2540 return 0;
2541 }
2542
2543 /*
2544 * Set the SCSI device sdev_bflags - sdev_bflags are used by the
2545 * SCSI mid-layer to choose LUN Scanning mode REPORT_LUNS vs. Sequential Scan
2546 *
2547 * Internally iterates over all the ITNIM's part of the im_port & sets the
2548 * sdev_bflags for the scsi_device associated with LUN #0.
2549 */
2550 static void bfad_reset_sdev_bflags(struct bfad_im_port_s *im_port,
2551 int lunmask_cfg)
2552 {
> 2553 const u32 scan_flags = BLIST_NOREPORTLUN | BLIST_SPARSELUN;
2554 struct bfad_itnim_s *itnim;
2555 struct scsi_device *sdev;
2556
2557 list_for_each_entry(itnim, &im_port->itnim_mapped_list, list_entry) {
2558 sdev = scsi_device_lookup(im_port->shost, itnim->channel,
2559 itnim->scsi_tgt_id, 0);
2560 if (sdev) {
2561 if (lunmask_cfg == BFA_TRUE)
2562 sdev->sdev_bflags |= scan_flags;
2563 else
2564 sdev->sdev_bflags &= ~scan_flags;
2565 scsi_device_put(sdev);
2566 }
2567 }
2568 }
2569

--
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