These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / arch / x86 / kernel / cpu / perf_event_intel_uncore_snbep.c
index 6d6e85d..f0f4fcb 100644 (file)
@@ -1087,7 +1087,8 @@ static struct pci_driver snbep_uncore_pci_driver = {
 static int snbep_pci2phy_map_init(int devid)
 {
        struct pci_dev *ubox_dev = NULL;
-       int i, bus, nodeid;
+       int i, bus, nodeid, segment;
+       struct pci2phy_map *map;
        int err = 0;
        u32 config = 0;
 
@@ -1106,16 +1107,27 @@ static int snbep_pci2phy_map_init(int devid)
                err = pci_read_config_dword(ubox_dev, 0x54, &config);
                if (err)
                        break;
+
+               segment = pci_domain_nr(ubox_dev->bus);
+               raw_spin_lock(&pci2phy_map_lock);
+               map = __find_pci2phy_map(segment);
+               if (!map) {
+                       raw_spin_unlock(&pci2phy_map_lock);
+                       err = -ENOMEM;
+                       break;
+               }
+
                /*
                 * every three bits in the Node ID mapping register maps
                 * to a particular node.
                 */
                for (i = 0; i < 8; i++) {
                        if (nodeid == ((config >> (3 * i)) & 0x7)) {
-                               uncore_pcibus_to_physid[bus] = i;
+                               map->pbus_to_physid[bus] = i;
                                break;
                        }
                }
+               raw_spin_unlock(&pci2phy_map_lock);
        }
 
        if (!err) {
@@ -1123,13 +1135,17 @@ static int snbep_pci2phy_map_init(int devid)
                 * For PCI bus with no UBOX device, find the next bus
                 * that has UBOX device and use its mapping.
                 */
-               i = -1;
-               for (bus = 255; bus >= 0; bus--) {
-                       if (uncore_pcibus_to_physid[bus] >= 0)
-                               i = uncore_pcibus_to_physid[bus];
-                       else
-                               uncore_pcibus_to_physid[bus] = i;
+               raw_spin_lock(&pci2phy_map_lock);
+               list_for_each_entry(map, &pci2phy_map_head, list) {
+                       i = -1;
+                       for (bus = 255; bus >= 0; bus--) {
+                               if (map->pbus_to_physid[bus] >= 0)
+                                       i = map->pbus_to_physid[bus];
+                               else
+                                       map->pbus_to_physid[bus] = i;
+                       }
                }
+               raw_spin_unlock(&pci2phy_map_lock);
        }
 
        pci_dev_put(ubox_dev);
@@ -2215,7 +2231,7 @@ static struct intel_uncore_type *hswep_pci_uncores[] = {
        NULL,
 };
 
-static DEFINE_PCI_DEVICE_TABLE(hswep_uncore_pci_ids) = {
+static const struct pci_device_id hswep_uncore_pci_ids[] = {
        { /* Home Agent 0 */
                PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x2f30),
                .driver_data = UNCORE_PCI_DEV_DATA(HSWEP_PCI_UNCORE_HA, 0),
@@ -2321,3 +2337,167 @@ int hswep_uncore_pci_init(void)
        return 0;
 }
 /* end of Haswell-EP uncore support */
+
+/* BDX-DE uncore support */
+
+static struct intel_uncore_type bdx_uncore_ubox = {
+       .name                   = "ubox",
+       .num_counters           = 2,
+       .num_boxes              = 1,
+       .perf_ctr_bits          = 48,
+       .fixed_ctr_bits         = 48,
+       .perf_ctr               = HSWEP_U_MSR_PMON_CTR0,
+       .event_ctl              = HSWEP_U_MSR_PMON_CTL0,
+       .event_mask             = SNBEP_U_MSR_PMON_RAW_EVENT_MASK,
+       .fixed_ctr              = HSWEP_U_MSR_PMON_UCLK_FIXED_CTR,
+       .fixed_ctl              = HSWEP_U_MSR_PMON_UCLK_FIXED_CTL,
+       .num_shared_regs        = 1,
+       .ops                    = &ivbep_uncore_msr_ops,
+       .format_group           = &ivbep_uncore_ubox_format_group,
+};
+
+static struct event_constraint bdx_uncore_cbox_constraints[] = {
+       UNCORE_EVENT_CONSTRAINT(0x09, 0x3),
+       UNCORE_EVENT_CONSTRAINT(0x11, 0x1),
+       UNCORE_EVENT_CONSTRAINT(0x36, 0x1),
+       EVENT_CONSTRAINT_END
+};
+
+static struct intel_uncore_type bdx_uncore_cbox = {
+       .name                   = "cbox",
+       .num_counters           = 4,
+       .num_boxes              = 8,
+       .perf_ctr_bits          = 48,
+       .event_ctl              = HSWEP_C0_MSR_PMON_CTL0,
+       .perf_ctr               = HSWEP_C0_MSR_PMON_CTR0,
+       .event_mask             = SNBEP_CBO_MSR_PMON_RAW_EVENT_MASK,
+       .box_ctl                = HSWEP_C0_MSR_PMON_BOX_CTL,
+       .msr_offset             = HSWEP_CBO_MSR_OFFSET,
+       .num_shared_regs        = 1,
+       .constraints            = bdx_uncore_cbox_constraints,
+       .ops                    = &hswep_uncore_cbox_ops,
+       .format_group           = &hswep_uncore_cbox_format_group,
+};
+
+static struct intel_uncore_type *bdx_msr_uncores[] = {
+       &bdx_uncore_ubox,
+       &bdx_uncore_cbox,
+       &hswep_uncore_pcu,
+       NULL,
+};
+
+void bdx_uncore_cpu_init(void)
+{
+       if (bdx_uncore_cbox.num_boxes > boot_cpu_data.x86_max_cores)
+               bdx_uncore_cbox.num_boxes = boot_cpu_data.x86_max_cores;
+       uncore_msr_uncores = bdx_msr_uncores;
+}
+
+static struct intel_uncore_type bdx_uncore_ha = {
+       .name           = "ha",
+       .num_counters   = 4,
+       .num_boxes      = 1,
+       .perf_ctr_bits  = 48,
+       SNBEP_UNCORE_PCI_COMMON_INIT(),
+};
+
+static struct intel_uncore_type bdx_uncore_imc = {
+       .name           = "imc",
+       .num_counters   = 5,
+       .num_boxes      = 2,
+       .perf_ctr_bits  = 48,
+       .fixed_ctr_bits = 48,
+       .fixed_ctr      = SNBEP_MC_CHy_PCI_PMON_FIXED_CTR,
+       .fixed_ctl      = SNBEP_MC_CHy_PCI_PMON_FIXED_CTL,
+       .event_descs    = hswep_uncore_imc_events,
+       SNBEP_UNCORE_PCI_COMMON_INIT(),
+};
+
+static struct intel_uncore_type bdx_uncore_irp = {
+       .name                   = "irp",
+       .num_counters           = 4,
+       .num_boxes              = 1,
+       .perf_ctr_bits          = 48,
+       .event_mask             = SNBEP_PMON_RAW_EVENT_MASK,
+       .box_ctl                = SNBEP_PCI_PMON_BOX_CTL,
+       .ops                    = &hswep_uncore_irp_ops,
+       .format_group           = &snbep_uncore_format_group,
+};
+
+
+static struct event_constraint bdx_uncore_r2pcie_constraints[] = {
+       UNCORE_EVENT_CONSTRAINT(0x10, 0x3),
+       UNCORE_EVENT_CONSTRAINT(0x11, 0x3),
+       UNCORE_EVENT_CONSTRAINT(0x13, 0x1),
+       UNCORE_EVENT_CONSTRAINT(0x23, 0x1),
+       UNCORE_EVENT_CONSTRAINT(0x25, 0x1),
+       UNCORE_EVENT_CONSTRAINT(0x26, 0x3),
+       UNCORE_EVENT_CONSTRAINT(0x2d, 0x3),
+       EVENT_CONSTRAINT_END
+};
+
+static struct intel_uncore_type bdx_uncore_r2pcie = {
+       .name           = "r2pcie",
+       .num_counters   = 4,
+       .num_boxes      = 1,
+       .perf_ctr_bits  = 48,
+       .constraints    = bdx_uncore_r2pcie_constraints,
+       SNBEP_UNCORE_PCI_COMMON_INIT(),
+};
+
+enum {
+       BDX_PCI_UNCORE_HA,
+       BDX_PCI_UNCORE_IMC,
+       BDX_PCI_UNCORE_IRP,
+       BDX_PCI_UNCORE_R2PCIE,
+};
+
+static struct intel_uncore_type *bdx_pci_uncores[] = {
+       [BDX_PCI_UNCORE_HA]     = &bdx_uncore_ha,
+       [BDX_PCI_UNCORE_IMC]    = &bdx_uncore_imc,
+       [BDX_PCI_UNCORE_IRP]    = &bdx_uncore_irp,
+       [BDX_PCI_UNCORE_R2PCIE] = &bdx_uncore_r2pcie,
+       NULL,
+};
+
+static const struct pci_device_id bdx_uncore_pci_ids[] = {
+       { /* Home Agent 0 */
+               PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x6f30),
+               .driver_data = UNCORE_PCI_DEV_DATA(BDX_PCI_UNCORE_HA, 0),
+       },
+       { /* MC0 Channel 0 */
+               PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x6fb0),
+               .driver_data = UNCORE_PCI_DEV_DATA(BDX_PCI_UNCORE_IMC, 0),
+       },
+       { /* MC0 Channel 1 */
+               PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x6fb1),
+               .driver_data = UNCORE_PCI_DEV_DATA(BDX_PCI_UNCORE_IMC, 1),
+       },
+       { /* IRP */
+               PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x6f39),
+               .driver_data = UNCORE_PCI_DEV_DATA(BDX_PCI_UNCORE_IRP, 0),
+       },
+       { /* R2PCIe */
+               PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x6f34),
+               .driver_data = UNCORE_PCI_DEV_DATA(BDX_PCI_UNCORE_R2PCIE, 0),
+       },
+       { /* end: all zeroes */ }
+};
+
+static struct pci_driver bdx_uncore_pci_driver = {
+       .name           = "bdx_uncore",
+       .id_table       = bdx_uncore_pci_ids,
+};
+
+int bdx_uncore_pci_init(void)
+{
+       int ret = snbep_pci2phy_map_init(0x6f1e);
+
+       if (ret)
+               return ret;
+       uncore_pci_uncores = bdx_pci_uncores;
+       uncore_pci_driver = &bdx_uncore_pci_driver;
+       return 0;
+}
+
+/* end of BDX-DE uncore support */