From: kernel test robot <lkp@intel.com>
To: Otavio Salvador <otavio@ossystems.com.br>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [freescale-fslc:pr/639 3830/24603] drivers/soc/fsl/dpio/qbman-portal.c:724:1: warning: unsupported size for integer register
Date: Thu, 31 Aug 2023 18:07:56 +0800 [thread overview]
Message-ID: <202308311804.Wm4gIIRd-lkp@intel.com> (raw)
tree: https://github.com/Freescale/linux-fslc pr/639
head: 857fbf7cebaba3b1ffccc558deee1d13ac0e11d7
commit: a60cf5cbad0f9b4a94b0f7b9d5af8f258593b610 [3830/24603] soc: fsl: dpio: enable qbman CENA portal memory access
config: i386-buildonly-randconfig-006-20230831 (https://download.01.org/0day-ci/archive/20230831/202308311804.Wm4gIIRd-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230831/202308311804.Wm4gIIRd-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308311804.Wm4gIIRd-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/soc/fsl/dpio/qbman-portal.c: In function 'qbman_swp_enqueue_multiple_desc_direct':
drivers/soc/fsl/dpio/qbman-portal.c:872:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
872 | addr_cena = (uint64_t)s->addr_cena;
| ^
drivers/soc/fsl/dpio/qbman-portal.c:874:24: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
874 | dccvac((uint64_t *)(addr_cena +
| ^
drivers/soc/fsl/dpio/qbman-portal.c:172:58: note: in definition of macro 'dccvac'
172 | #define dccvac(p) { asm volatile("dc cvac, %0;" : : "r" (p) : "memory"); }
| ^
drivers/soc/fsl/dpio/qbman-portal.c: In function 'qbman_swp_enqueue_multiple_direct':
>> drivers/soc/fsl/dpio/qbman-portal.c:724:1: warning: unsupported size for integer register
724 | }
| ^
drivers/soc/fsl/dpio/qbman-portal.c: Assembler messages:
drivers/soc/fsl/dpio/qbman-portal.c:176: Error: no such instruction: `dc ivac,%ecx'
drivers/soc/fsl/dpio/qbman-portal.c:1140: Error: no such instruction: `dc cvac,%ebx'
drivers/soc/fsl/dpio/qbman-portal.c:1495: Error: no such instruction: `dc cvac,%esi'
drivers/soc/fsl/dpio/qbman-portal.c:717: Error: no such instruction: `dc cvac,%eax'
drivers/soc/fsl/dpio/qbman-portal.c:874: Error: no such instruction: `dc cvac,%eax'
drivers/soc/fsl/dpio/qbman-portal.c:470: Error: no such instruction: `dc cvac,%edx'
vim +724 drivers/soc/fsl/dpio/qbman-portal.c
321eecb06bfba0 drivers/staging/fsl-mc/bus/dpio/qbman-portal.c Roy Pledge 2017-03-13 637
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 638 /**
b46fe745e4f610 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 639 * qbman_swp_enqueue_multiple_direct() - Issue a multi enqueue command
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 640 * using one enqueue descriptor
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 641 * @s: the software portal used for enqueue
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 642 * @d: the enqueue descriptor
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 643 * @fd: table pointer of frame descriptor table to be enqueued
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 644 * @flags: table pointer of QBMAN_ENQUEUE_FLAG_DCA flags, not used if NULL
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 645 * @num_frames: number of fd to be enqueued
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 646 *
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 647 * Return the number of fd enqueued, or a negative error number.
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 648 */
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 649 static
b46fe745e4f610 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 650 int qbman_swp_enqueue_multiple_direct(struct qbman_swp *s,
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 651 const struct qbman_eq_desc *d,
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 652 const struct dpaa2_fd *fd,
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 653 uint32_t *flags,
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 654 int num_frames)
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 655 {
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 656 uint32_t *p = NULL;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 657 const uint32_t *cl = (uint32_t *)d;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 658 uint32_t eqcr_ci, eqcr_pi, half_mask, full_mask;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 659 int i, num_enqueued = 0;
a60cf5cbad0f9b drivers/soc/fsl/dpio/qbman-portal.c Haiying Wang 2017-04-13 660 uint64_t addr_cena;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 661
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 662 spin_lock(&s->access_spinlock);
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 663 half_mask = (s->eqcr.pi_ci_mask>>1);
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 664 full_mask = s->eqcr.pi_ci_mask;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 665
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 666 if (!s->eqcr.available) {
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 667 eqcr_ci = s->eqcr.ci;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 668 p = s->addr_cena + QBMAN_CENA_SWP_EQCR_CI;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 669 s->eqcr.ci = qbman_read_register(s, QBMAN_CINH_SWP_EQCR_CI);
7596ac9d19a9df drivers/soc/fsl/dpio/qbman-portal.c Ioana Ciornei 2020-05-05 670 s->eqcr.ci &= full_mask;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 671
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 672 s->eqcr.available = qm_cyc_diff(s->eqcr.pi_ring_size,
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 673 eqcr_ci, s->eqcr.ci);
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 674 if (!s->eqcr.available) {
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 675 spin_unlock(&s->access_spinlock);
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 676 return 0;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 677 }
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 678 }
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 679
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 680 eqcr_pi = s->eqcr.pi;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 681 num_enqueued = (s->eqcr.available < num_frames) ?
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 682 s->eqcr.available : num_frames;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 683 s->eqcr.available -= num_enqueued;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 684 /* Fill in the EQCR ring */
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 685 for (i = 0; i < num_enqueued; i++) {
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 686 p = (s->addr_cena + QBMAN_CENA_SWP_EQCR(eqcr_pi & half_mask));
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 687 /* Skip copying the verb */
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 688 memcpy(&p[1], &cl[1], EQ_DESC_SIZE_WITHOUT_FD - 1);
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 689 memcpy(&p[EQ_DESC_SIZE_FD_START/sizeof(uint32_t)],
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 690 &fd[i], sizeof(*fd));
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 691 eqcr_pi++;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 692 }
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 693
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 694 dma_wmb();
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 695
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 696 /* Set the verb byte, have to substitute in the valid-bit */
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 697 eqcr_pi = s->eqcr.pi;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 698 for (i = 0; i < num_enqueued; i++) {
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 699 p = (s->addr_cena + QBMAN_CENA_SWP_EQCR(eqcr_pi & half_mask));
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 700 p[0] = cl[0] | s->eqcr.pi_vb;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 701 if (flags && (flags[i] & QBMAN_ENQUEUE_FLAG_DCA)) {
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 702 struct qbman_eq_desc *d = (struct qbman_eq_desc *)p;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 703
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 704 d->dca = (1 << QB_ENQUEUE_CMD_DCA_EN_SHIFT) |
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 705 ((flags[i]) & QBMAN_EQCR_DCA_IDXMASK);
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 706 }
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 707 eqcr_pi++;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 708 if (!(eqcr_pi & half_mask))
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 709 s->eqcr.pi_vb ^= QB_VALID_BIT;
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 710 }
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 711
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 712 /* Flush all the cacheline without load/store in between */
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 713 eqcr_pi = s->eqcr.pi;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 714 for (i = 0; i < num_enqueued; i++)
a60cf5cbad0f9b drivers/soc/fsl/dpio/qbman-portal.c Haiying Wang 2017-04-13 715 addr_cena = (size_t)s->addr_cena;
a60cf5cbad0f9b drivers/soc/fsl/dpio/qbman-portal.c Haiying Wang 2017-04-13 716 for (i = 0; i < num_enqueued; i++) {
a60cf5cbad0f9b drivers/soc/fsl/dpio/qbman-portal.c Haiying Wang 2017-04-13 717 dccvac((addr_cena + QBMAN_CENA_SWP_EQCR(eqcr_pi & half_mask)));
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 718 eqcr_pi++;
a60cf5cbad0f9b drivers/soc/fsl/dpio/qbman-portal.c Haiying Wang 2017-04-13 719 }
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 720 s->eqcr.pi = eqcr_pi & full_mask;
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 721 spin_unlock(&s->access_spinlock);
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 722
3b2abda7d28c69 drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 723 return num_enqueued;
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 @724 }
9d98809711ae0e drivers/soc/fsl/dpio/qbman-portal.c Youri Querry 2019-12-12 725
:::::: The code at line 724 was first introduced by commit
:::::: 9d98809711ae0ebcfb8115a0bc54604c59908710 soc: fsl: dpio: Adding QMAN multiple enqueue interface
:::::: TO: Youri Querry <youri.querry_1@nxp.com>
:::::: CC: Li Yang <leoyang.li@nxp.com>
--
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https://github.com/intel/lkp-tests/wiki
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