diff options
Diffstat (limited to 'drivers/ntb/hw/intel/ntb_hw_intel.c')
-rw-r--r-- | drivers/ntb/hw/intel/ntb_hw_intel.c | 49 |
1 files changed, 43 insertions, 6 deletions
diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.c b/drivers/ntb/hw/intel/ntb_hw_intel.c index 40d04ef5da9e..0d5c29ae51de 100644 --- a/drivers/ntb/hw/intel/ntb_hw_intel.c +++ b/drivers/ntb/hw/intel/ntb_hw_intel.c @@ -551,13 +551,15 @@ static ssize_t ndev_debugfs_read(struct file *filp, char __user *ubuf, size_t count, loff_t *offp) { struct intel_ntb_dev *ndev; + struct pci_dev *pdev; void __iomem *mmio; char *buf; size_t buf_size; ssize_t ret, off; - union { u64 v64; u32 v32; u16 v16; } u; + union { u64 v64; u32 v32; u16 v16; u8 v8; } u; ndev = filp->private_data; + pdev = ndev_pdev(ndev); mmio = ndev->self_mmio; buf_size = min(count, 0x800ul); @@ -632,6 +634,41 @@ static ssize_t ndev_debugfs_read(struct file *filp, char __user *ubuf, "Doorbell Bell -\t\t%#llx\n", u.v64); off += scnprintf(buf + off, buf_size - off, + "\nNTB Window Size:\n"); + + pci_read_config_byte(pdev, XEON_PBAR23SZ_OFFSET, &u.v8); + off += scnprintf(buf + off, buf_size - off, + "PBAR23SZ %hhu\n", u.v8); + if (!ndev->bar4_split) { + pci_read_config_byte(pdev, XEON_PBAR45SZ_OFFSET, &u.v8); + off += scnprintf(buf + off, buf_size - off, + "PBAR45SZ %hhu\n", u.v8); + } else { + pci_read_config_byte(pdev, XEON_PBAR4SZ_OFFSET, &u.v8); + off += scnprintf(buf + off, buf_size - off, + "PBAR4SZ %hhu\n", u.v8); + pci_read_config_byte(pdev, XEON_PBAR5SZ_OFFSET, &u.v8); + off += scnprintf(buf + off, buf_size - off, + "PBAR5SZ %hhu\n", u.v8); + } + + pci_read_config_byte(pdev, XEON_SBAR23SZ_OFFSET, &u.v8); + off += scnprintf(buf + off, buf_size - off, + "SBAR23SZ %hhu\n", u.v8); + if (!ndev->bar4_split) { + pci_read_config_byte(pdev, XEON_SBAR45SZ_OFFSET, &u.v8); + off += scnprintf(buf + off, buf_size - off, + "SBAR45SZ %hhu\n", u.v8); + } else { + pci_read_config_byte(pdev, XEON_SBAR4SZ_OFFSET, &u.v8); + off += scnprintf(buf + off, buf_size - off, + "SBAR4SZ %hhu\n", u.v8); + pci_read_config_byte(pdev, XEON_SBAR5SZ_OFFSET, &u.v8); + off += scnprintf(buf + off, buf_size - off, + "SBAR5SZ %hhu\n", u.v8); + } + + off += scnprintf(buf + off, buf_size - off, "\nNTB Incoming XLAT:\n"); u.v64 = ioread64(mmio + bar2_off(ndev->xlat_reg->bar2_xlat, 2)); @@ -669,7 +706,7 @@ static ssize_t ndev_debugfs_read(struct file *filp, char __user *ubuf, "LMT45 -\t\t\t%#018llx\n", u.v64); } - if (pdev_is_xeon(ndev->ntb.pdev)) { + if (pdev_is_xeon(pdev)) { if (ntb_topo_is_b2b(ndev->ntb.topo)) { off += scnprintf(buf + off, buf_size - off, "\nNTB Outgoing B2B XLAT:\n"); @@ -750,22 +787,22 @@ static ssize_t ndev_debugfs_read(struct file *filp, char __user *ubuf, off += scnprintf(buf + off, buf_size - off, "\nXEON NTB Hardware Errors:\n"); - if (!pci_read_config_word(ndev->ntb.pdev, + if (!pci_read_config_word(pdev, XEON_DEVSTS_OFFSET, &u.v16)) off += scnprintf(buf + off, buf_size - off, "DEVSTS -\t\t%#06x\n", u.v16); - if (!pci_read_config_word(ndev->ntb.pdev, + if (!pci_read_config_word(pdev, XEON_LINK_STATUS_OFFSET, &u.v16)) off += scnprintf(buf + off, buf_size - off, "LNKSTS -\t\t%#06x\n", u.v16); - if (!pci_read_config_dword(ndev->ntb.pdev, + if (!pci_read_config_dword(pdev, XEON_UNCERRSTS_OFFSET, &u.v32)) off += scnprintf(buf + off, buf_size - off, "UNCERRSTS -\t\t%#06x\n", u.v32); - if (!pci_read_config_dword(ndev->ntb.pdev, + if (!pci_read_config_dword(pdev, XEON_CORERRSTS_OFFSET, &u.v32)) off += scnprintf(buf + off, buf_size - off, "CORERRSTS -\t\t%#06x\n", u.v32); |