Merge branch 'merge' into next
[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / powerpc / platforms / powernv / eeh-ioda.c
index cf42e74..9b1db25 100644 (file)
@@ -36,7 +36,6 @@
 #include "powernv.h"
 #include "pci.h"
 
-static char *hub_diag = NULL;
 static int ioda_eeh_nb_init = 0;
 
 static int ioda_eeh_event(struct notifier_block *nb,
@@ -59,26 +58,60 @@ static struct notifier_block ioda_eeh_nb = {
 };
 
 #ifdef CONFIG_DEBUG_FS
-static int ioda_eeh_dbgfs_set(void *data, u64 val)
+static int ioda_eeh_dbgfs_set(void *data, int offset, u64 val)
 {
        struct pci_controller *hose = data;
        struct pnv_phb *phb = hose->private_data;
 
-       out_be64(phb->regs + 0xD10, val);
+       out_be64(phb->regs + offset, val);
        return 0;
 }
 
-static int ioda_eeh_dbgfs_get(void *data, u64 *val)
+static int ioda_eeh_dbgfs_get(void *data, int offset, u64 *val)
 {
        struct pci_controller *hose = data;
        struct pnv_phb *phb = hose->private_data;
 
-       *val = in_be64(phb->regs + 0xD10);
+       *val = in_be64(phb->regs + offset);
        return 0;
 }
 
-DEFINE_SIMPLE_ATTRIBUTE(ioda_eeh_dbgfs_ops, ioda_eeh_dbgfs_get,
-                       ioda_eeh_dbgfs_set, "0x%llx\n");
+static int ioda_eeh_outb_dbgfs_set(void *data, u64 val)
+{
+       return ioda_eeh_dbgfs_set(data, 0xD10, val);
+}
+
+static int ioda_eeh_outb_dbgfs_get(void *data, u64 *val)
+{
+       return ioda_eeh_dbgfs_get(data, 0xD10, val);
+}
+
+static int ioda_eeh_inbA_dbgfs_set(void *data, u64 val)
+{
+       return ioda_eeh_dbgfs_set(data, 0xD90, val);
+}
+
+static int ioda_eeh_inbA_dbgfs_get(void *data, u64 *val)
+{
+       return ioda_eeh_dbgfs_get(data, 0xD90, val);
+}
+
+static int ioda_eeh_inbB_dbgfs_set(void *data, u64 val)
+{
+       return ioda_eeh_dbgfs_set(data, 0xE10, val);
+}
+
+static int ioda_eeh_inbB_dbgfs_get(void *data, u64 *val)
+{
+       return ioda_eeh_dbgfs_get(data, 0xE10, val);
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(ioda_eeh_outb_dbgfs_ops, ioda_eeh_outb_dbgfs_get,
+                       ioda_eeh_outb_dbgfs_set, "0x%llx\n");
+DEFINE_SIMPLE_ATTRIBUTE(ioda_eeh_inbA_dbgfs_ops, ioda_eeh_inbA_dbgfs_get,
+                       ioda_eeh_inbA_dbgfs_set, "0x%llx\n");
+DEFINE_SIMPLE_ATTRIBUTE(ioda_eeh_inbB_dbgfs_ops, ioda_eeh_inbB_dbgfs_get,
+                       ioda_eeh_inbB_dbgfs_set, "0x%llx\n");
 #endif /* CONFIG_DEBUG_FS */
 
 /**
@@ -106,27 +139,21 @@ static int ioda_eeh_post_init(struct pci_controller *hose)
                ioda_eeh_nb_init = 1;
        }
 
-       /* FIXME: Enable it for PHB3 later */
-       if (phb->type == PNV_PHB_IODA1) {
-               if (!hub_diag) {
-                       hub_diag = (char *)__get_free_page(GFP_KERNEL |
-                                                          __GFP_ZERO);
-                       if (!hub_diag) {
-                               pr_err("%s: Out of memory !\n",
-                                      __func__);
-                               return -ENOMEM;
-                       }
-               }
-
 #ifdef CONFIG_DEBUG_FS
-               if (phb->dbgfs)
-                       debugfs_create_file("err_injct", 0600,
-                                           phb->dbgfs, hose,
-                                           &ioda_eeh_dbgfs_ops);
+       if (phb->dbgfs) {
+               debugfs_create_file("err_injct_outbound", 0600,
+                                   phb->dbgfs, hose,
+                                   &ioda_eeh_outb_dbgfs_ops);
+               debugfs_create_file("err_injct_inboundA", 0600,
+                                   phb->dbgfs, hose,
+                                   &ioda_eeh_inbA_dbgfs_ops);
+               debugfs_create_file("err_injct_inboundB", 0600,
+                                   phb->dbgfs, hose,
+                                   &ioda_eeh_inbB_dbgfs_ops);
+       }
 #endif
 
-               phb->eeh_state |= PNV_EEH_STATE_ENABLED;
-       }
+       phb->eeh_state |= PNV_EEH_STATE_ENABLED;
 
        return 0;
 }
@@ -546,16 +573,13 @@ static int ioda_eeh_get_log(struct eeh_pe *pe, int severity,
                        phb->diag.blob, PNV_PCI_DIAG_BUF_SIZE);
        if (ret) {
                spin_unlock_irqrestore(&phb->lock, flags);
-               pr_warning("%s: Failed to get log for PHB#%x-PE#%x\n",
-                          __func__, hose->global_number, pe->addr);
+               pr_warning("%s: Can't get log for PHB#%x-PE#%x (%lld)\n",
+                          __func__, hose->global_number, pe->addr, ret);
                return -EIO;
        }
 
-       /*
-        * FIXME: We probably need log the error in somewhere.
-        * Lets make it up in future.
-        */
-       /* pr_info("%s", phb->diag.blob); */
+       /* The PHB diag-data is always indicative */
+       pnv_pci_dump_phb_diag_data(hose, phb->diag.blob);
 
        spin_unlock_irqrestore(&phb->lock, flags);
 
@@ -596,11 +620,10 @@ static void ioda_eeh_hub_diag_common(struct OpalIoP7IOCErrorData *data)
 static void ioda_eeh_hub_diag(struct pci_controller *hose)
 {
        struct pnv_phb *phb = hose->private_data;
-       struct OpalIoP7IOCErrorData *data;
+       struct OpalIoP7IOCErrorData *data = &phb->diag.hub_diag;
        long rc;
 
-       data = (struct OpalIoP7IOCErrorData *)ioda_eeh_hub_diag;
-       rc = opal_pci_get_hub_diag_data(phb->hub_id, data, PAGE_SIZE);
+       rc = opal_pci_get_hub_diag_data(phb->hub_id, data, sizeof(*data));
        if (rc != OPAL_SUCCESS) {
                pr_warning("%s: Failed to get HUB#%llx diag-data (%ld)\n",
                           __func__, phb->hub_id, rc);
@@ -644,94 +667,20 @@ static void ioda_eeh_hub_diag(struct pci_controller *hose)
        }
 }
 
-static void ioda_eeh_p7ioc_phb_diag(struct pci_controller *hose,
-                                   struct OpalIoPhbErrorCommon *common)
-{
-       struct OpalIoP7IOCPhbErrorData *data;
-       int i;
-
-       data = (struct OpalIoP7IOCPhbErrorData *)common;
-
-       pr_info("P7IOC PHB#%x Diag-data (Version: %d)\n\n",
-               hose->global_number, common->version);
-
-       pr_info("  brdgCtl:              %08x\n", data->brdgCtl);
-
-       pr_info("  portStatusReg:        %08x\n", data->portStatusReg);
-       pr_info("  rootCmplxStatus:      %08x\n", data->rootCmplxStatus);
-       pr_info("  busAgentStatus:       %08x\n", data->busAgentStatus);
-
-       pr_info("  deviceStatus:         %08x\n", data->deviceStatus);
-       pr_info("  slotStatus:           %08x\n", data->slotStatus);
-       pr_info("  linkStatus:           %08x\n", data->linkStatus);
-       pr_info("  devCmdStatus:         %08x\n", data->devCmdStatus);
-       pr_info("  devSecStatus:         %08x\n", data->devSecStatus);
-
-       pr_info("  rootErrorStatus:      %08x\n", data->rootErrorStatus);
-       pr_info("  uncorrErrorStatus:    %08x\n", data->uncorrErrorStatus);
-       pr_info("  corrErrorStatus:      %08x\n", data->corrErrorStatus);
-       pr_info("  tlpHdr1:              %08x\n", data->tlpHdr1);
-       pr_info("  tlpHdr2:              %08x\n", data->tlpHdr2);
-       pr_info("  tlpHdr3:              %08x\n", data->tlpHdr3);
-       pr_info("  tlpHdr4:              %08x\n", data->tlpHdr4);
-       pr_info("  sourceId:             %08x\n", data->sourceId);
-
-       pr_info("  errorClass:           %016llx\n", data->errorClass);
-       pr_info("  correlator:           %016llx\n", data->correlator);
-       pr_info("  p7iocPlssr:           %016llx\n", data->p7iocPlssr);
-       pr_info("  p7iocCsr:             %016llx\n", data->p7iocCsr);
-       pr_info("  lemFir:               %016llx\n", data->lemFir);
-       pr_info("  lemErrorMask:         %016llx\n", data->lemErrorMask);
-       pr_info("  lemWOF:               %016llx\n", data->lemWOF);
-       pr_info("  phbErrorStatus:       %016llx\n", data->phbErrorStatus);
-       pr_info("  phbFirstErrorStatus:  %016llx\n", data->phbFirstErrorStatus);
-       pr_info("  phbErrorLog0:         %016llx\n", data->phbErrorLog0);
-       pr_info("  phbErrorLog1:         %016llx\n", data->phbErrorLog1);
-       pr_info("  mmioErrorStatus:      %016llx\n", data->mmioErrorStatus);
-       pr_info("  mmioFirstErrorStatus: %016llx\n", data->mmioFirstErrorStatus);
-       pr_info("  mmioErrorLog0:        %016llx\n", data->mmioErrorLog0);
-       pr_info("  mmioErrorLog1:        %016llx\n", data->mmioErrorLog1);
-       pr_info("  dma0ErrorStatus:      %016llx\n", data->dma0ErrorStatus);
-       pr_info("  dma0FirstErrorStatus: %016llx\n", data->dma0FirstErrorStatus);
-       pr_info("  dma0ErrorLog0:        %016llx\n", data->dma0ErrorLog0);
-       pr_info("  dma0ErrorLog1:        %016llx\n", data->dma0ErrorLog1);
-       pr_info("  dma1ErrorStatus:      %016llx\n", data->dma1ErrorStatus);
-       pr_info("  dma1FirstErrorStatus: %016llx\n", data->dma1FirstErrorStatus);
-       pr_info("  dma1ErrorLog0:        %016llx\n", data->dma1ErrorLog0);
-       pr_info("  dma1ErrorLog1:        %016llx\n", data->dma1ErrorLog1);
-
-       for (i = 0; i < OPAL_P7IOC_NUM_PEST_REGS; i++) {
-               if ((data->pestA[i] >> 63) == 0 &&
-                   (data->pestB[i] >> 63) == 0)
-                       continue;
-
-               pr_info("  PE[%3d] PESTA:        %016llx\n", i, data->pestA[i]);
-               pr_info("          PESTB:        %016llx\n", data->pestB[i]);
-       }
-}
-
 static void ioda_eeh_phb_diag(struct pci_controller *hose)
 {
        struct pnv_phb *phb = hose->private_data;
-       struct OpalIoPhbErrorCommon *common;
        long rc;
 
-       common = (struct OpalIoPhbErrorCommon *)phb->diag.blob;
-       rc = opal_pci_get_phb_diag_data2(phb->opal_id, common, PAGE_SIZE);
+       rc = opal_pci_get_phb_diag_data2(phb->opal_id, phb->diag.blob,
+                                        PNV_PCI_DIAG_BUF_SIZE);
        if (rc != OPAL_SUCCESS) {
                pr_warning("%s: Failed to get diag-data for PHB#%x (%ld)\n",
                            __func__, hose->global_number, rc);
                return;
        }
 
-       switch (common->ioType) {
-       case OPAL_PHB_ERROR_DATA_TYPE_P7IOC:
-               ioda_eeh_p7ioc_phb_diag(hose, common);
-               break;
-       default:
-               pr_warning("%s: Unrecognized I/O chip %d\n",
-                          __func__, common->ioType);
-       }
+       pnv_pci_dump_phb_diag_data(hose, phb->diag.blob);
 }
 
 static int ioda_eeh_get_phb_pe(struct pci_controller *hose,