diff options
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci-ioda.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 7ecc186..55f0f7b 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -3342,6 +3342,47 @@ static int pnv_pci_diag_data_set(void *data, u64 val) DEFINE_SIMPLE_ATTRIBUTE(pnv_pci_diag_data_fops, NULL, pnv_pci_diag_data_set, "%llu\n"); +static int pnv_pci_sketchy_set(void *data, u64 val) +{ + struct pci_controller *hose; + struct pnv_ioda_pe *pe; + struct pnv_phb *phb; + u64 entry1, entry2; + int i; + + hose = (struct pci_controller *)data; + if (!hose || !hose->private_data) + return -ENODEV; + + phb = hose->private_data; + pe = &phb->ioda.pe_array[val]; + + if (!pe) + return -EINVAL; + + if (!pe->tces || !pe->tce_tracker) + return -EIO; + + for (i = 0; i < pe->tce_count; i++) { + if (i > 16 && pe->tces[i] == 0) + break; + pr_info("%3d: %016llx\n", i, be64_to_cpu(pe->tces[i])); + } + + for (i = 0; i < pe->tce_count; i++) { + entry1 = pe->tce_tracker[i * 2]; + entry2 = pe->tce_tracker[i * 2 + 1]; + if (!entry1) + break; + pr_info("%3d: %016llx %016llx\n", i, entry1, entry2); + } + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(pnv_pci_sketchy_fops, NULL, + pnv_pci_sketchy_set, "%llu\n"); + + #endif /* CONFIG_DEBUG_FS */ static void pnv_pci_ioda_create_dbgfs(void) @@ -3367,6 +3408,8 @@ static void pnv_pci_ioda_create_dbgfs(void) debugfs_create_file("dump_diag_regs", 0200, phb->dbgfs, hose, &pnv_pci_diag_data_fops); + debugfs_create_file("sketchy", 0200, phb->dbgfs, hose, + &pnv_pci_sketchy_fops); } #endif /* CONFIG_DEBUG_FS */ } |
