|
@@ -0,0 +1,603 @@
|
|
|
+/* Nehalem/SandBridge/Haswell uncore support */
|
|
|
+#include "perf_event_intel_uncore.h"
|
|
|
+
|
|
|
+/* SNB event control */
|
|
|
+#define SNB_UNC_CTL_EV_SEL_MASK 0x000000ff
|
|
|
+#define SNB_UNC_CTL_UMASK_MASK 0x0000ff00
|
|
|
+#define SNB_UNC_CTL_EDGE_DET (1 << 18)
|
|
|
+#define SNB_UNC_CTL_EN (1 << 22)
|
|
|
+#define SNB_UNC_CTL_INVERT (1 << 23)
|
|
|
+#define SNB_UNC_CTL_CMASK_MASK 0x1f000000
|
|
|
+#define NHM_UNC_CTL_CMASK_MASK 0xff000000
|
|
|
+#define NHM_UNC_FIXED_CTR_CTL_EN (1 << 0)
|
|
|
+
|
|
|
+#define SNB_UNC_RAW_EVENT_MASK (SNB_UNC_CTL_EV_SEL_MASK | \
|
|
|
+ SNB_UNC_CTL_UMASK_MASK | \
|
|
|
+ SNB_UNC_CTL_EDGE_DET | \
|
|
|
+ SNB_UNC_CTL_INVERT | \
|
|
|
+ SNB_UNC_CTL_CMASK_MASK)
|
|
|
+
|
|
|
+#define NHM_UNC_RAW_EVENT_MASK (SNB_UNC_CTL_EV_SEL_MASK | \
|
|
|
+ SNB_UNC_CTL_UMASK_MASK | \
|
|
|
+ SNB_UNC_CTL_EDGE_DET | \
|
|
|
+ SNB_UNC_CTL_INVERT | \
|
|
|
+ NHM_UNC_CTL_CMASK_MASK)
|
|
|
+
|
|
|
+/* SNB global control register */
|
|
|
+#define SNB_UNC_PERF_GLOBAL_CTL 0x391
|
|
|
+#define SNB_UNC_FIXED_CTR_CTRL 0x394
|
|
|
+#define SNB_UNC_FIXED_CTR 0x395
|
|
|
+
|
|
|
+/* SNB uncore global control */
|
|
|
+#define SNB_UNC_GLOBAL_CTL_CORE_ALL ((1 << 4) - 1)
|
|
|
+#define SNB_UNC_GLOBAL_CTL_EN (1 << 29)
|
|
|
+
|
|
|
+/* SNB Cbo register */
|
|
|
+#define SNB_UNC_CBO_0_PERFEVTSEL0 0x700
|
|
|
+#define SNB_UNC_CBO_0_PER_CTR0 0x706
|
|
|
+#define SNB_UNC_CBO_MSR_OFFSET 0x10
|
|
|
+
|
|
|
+/* NHM global control register */
|
|
|
+#define NHM_UNC_PERF_GLOBAL_CTL 0x391
|
|
|
+#define NHM_UNC_FIXED_CTR 0x394
|
|
|
+#define NHM_UNC_FIXED_CTR_CTRL 0x395
|
|
|
+
|
|
|
+/* NHM uncore global control */
|
|
|
+#define NHM_UNC_GLOBAL_CTL_EN_PC_ALL ((1ULL << 8) - 1)
|
|
|
+#define NHM_UNC_GLOBAL_CTL_EN_FC (1ULL << 32)
|
|
|
+
|
|
|
+/* NHM uncore register */
|
|
|
+#define NHM_UNC_PERFEVTSEL0 0x3c0
|
|
|
+#define NHM_UNC_UNCORE_PMC0 0x3b0
|
|
|
+
|
|
|
+DEFINE_UNCORE_FORMAT_ATTR(event, event, "config:0-7");
|
|
|
+DEFINE_UNCORE_FORMAT_ATTR(umask, umask, "config:8-15");
|
|
|
+DEFINE_UNCORE_FORMAT_ATTR(edge, edge, "config:18");
|
|
|
+DEFINE_UNCORE_FORMAT_ATTR(inv, inv, "config:23");
|
|
|
+DEFINE_UNCORE_FORMAT_ATTR(cmask5, cmask, "config:24-28");
|
|
|
+DEFINE_UNCORE_FORMAT_ATTR(cmask8, cmask, "config:24-31");
|
|
|
+
|
|
|
+/* Sandy Bridge uncore support */
|
|
|
+static void snb_uncore_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event)
|
|
|
+{
|
|
|
+ struct hw_perf_event *hwc = &event->hw;
|
|
|
+
|
|
|
+ if (hwc->idx < UNCORE_PMC_IDX_FIXED)
|
|
|
+ wrmsrl(hwc->config_base, hwc->config | SNB_UNC_CTL_EN);
|
|
|
+ else
|
|
|
+ wrmsrl(hwc->config_base, SNB_UNC_CTL_EN);
|
|
|
+}
|
|
|
+
|
|
|
+static void snb_uncore_msr_disable_event(struct intel_uncore_box *box, struct perf_event *event)
|
|
|
+{
|
|
|
+ wrmsrl(event->hw.config_base, 0);
|
|
|
+}
|
|
|
+
|
|
|
+static void snb_uncore_msr_init_box(struct intel_uncore_box *box)
|
|
|
+{
|
|
|
+ if (box->pmu->pmu_idx == 0) {
|
|
|
+ wrmsrl(SNB_UNC_PERF_GLOBAL_CTL,
|
|
|
+ SNB_UNC_GLOBAL_CTL_EN | SNB_UNC_GLOBAL_CTL_CORE_ALL);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static struct uncore_event_desc snb_uncore_events[] = {
|
|
|
+ INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0x00"),
|
|
|
+ { /* end: all zeroes */ },
|
|
|
+};
|
|
|
+
|
|
|
+static struct attribute *snb_uncore_formats_attr[] = {
|
|
|
+ &format_attr_event.attr,
|
|
|
+ &format_attr_umask.attr,
|
|
|
+ &format_attr_edge.attr,
|
|
|
+ &format_attr_inv.attr,
|
|
|
+ &format_attr_cmask5.attr,
|
|
|
+ NULL,
|
|
|
+};
|
|
|
+
|
|
|
+static struct attribute_group snb_uncore_format_group = {
|
|
|
+ .name = "format",
|
|
|
+ .attrs = snb_uncore_formats_attr,
|
|
|
+};
|
|
|
+
|
|
|
+static struct intel_uncore_ops snb_uncore_msr_ops = {
|
|
|
+ .init_box = snb_uncore_msr_init_box,
|
|
|
+ .disable_event = snb_uncore_msr_disable_event,
|
|
|
+ .enable_event = snb_uncore_msr_enable_event,
|
|
|
+ .read_counter = uncore_msr_read_counter,
|
|
|
+};
|
|
|
+
|
|
|
+static struct event_constraint snb_uncore_cbox_constraints[] = {
|
|
|
+ UNCORE_EVENT_CONSTRAINT(0x80, 0x1),
|
|
|
+ UNCORE_EVENT_CONSTRAINT(0x83, 0x1),
|
|
|
+ EVENT_CONSTRAINT_END
|
|
|
+};
|
|
|
+
|
|
|
+static struct intel_uncore_type snb_uncore_cbox = {
|
|
|
+ .name = "cbox",
|
|
|
+ .num_counters = 2,
|
|
|
+ .num_boxes = 4,
|
|
|
+ .perf_ctr_bits = 44,
|
|
|
+ .fixed_ctr_bits = 48,
|
|
|
+ .perf_ctr = SNB_UNC_CBO_0_PER_CTR0,
|
|
|
+ .event_ctl = SNB_UNC_CBO_0_PERFEVTSEL0,
|
|
|
+ .fixed_ctr = SNB_UNC_FIXED_CTR,
|
|
|
+ .fixed_ctl = SNB_UNC_FIXED_CTR_CTRL,
|
|
|
+ .single_fixed = 1,
|
|
|
+ .event_mask = SNB_UNC_RAW_EVENT_MASK,
|
|
|
+ .msr_offset = SNB_UNC_CBO_MSR_OFFSET,
|
|
|
+ .constraints = snb_uncore_cbox_constraints,
|
|
|
+ .ops = &snb_uncore_msr_ops,
|
|
|
+ .format_group = &snb_uncore_format_group,
|
|
|
+ .event_descs = snb_uncore_events,
|
|
|
+};
|
|
|
+
|
|
|
+static struct intel_uncore_type *snb_msr_uncores[] = {
|
|
|
+ &snb_uncore_cbox,
|
|
|
+ NULL,
|
|
|
+};
|
|
|
+
|
|
|
+void snb_uncore_cpu_init(void)
|
|
|
+{
|
|
|
+ uncore_msr_uncores = snb_msr_uncores;
|
|
|
+ if (snb_uncore_cbox.num_boxes > boot_cpu_data.x86_max_cores)
|
|
|
+ snb_uncore_cbox.num_boxes = boot_cpu_data.x86_max_cores;
|
|
|
+}
|
|
|
+
|
|
|
+enum {
|
|
|
+ SNB_PCI_UNCORE_IMC,
|
|
|
+};
|
|
|
+
|
|
|
+static struct uncore_event_desc snb_uncore_imc_events[] = {
|
|
|
+ INTEL_UNCORE_EVENT_DESC(data_reads, "event=0x01"),
|
|
|
+ INTEL_UNCORE_EVENT_DESC(data_reads.scale, "6.103515625e-5"),
|
|
|
+ INTEL_UNCORE_EVENT_DESC(data_reads.unit, "MiB"),
|
|
|
+
|
|
|
+ INTEL_UNCORE_EVENT_DESC(data_writes, "event=0x02"),
|
|
|
+ INTEL_UNCORE_EVENT_DESC(data_writes.scale, "6.103515625e-5"),
|
|
|
+ INTEL_UNCORE_EVENT_DESC(data_writes.unit, "MiB"),
|
|
|
+
|
|
|
+ { /* end: all zeroes */ },
|
|
|
+};
|
|
|
+
|
|
|
+#define SNB_UNCORE_PCI_IMC_EVENT_MASK 0xff
|
|
|
+#define SNB_UNCORE_PCI_IMC_BAR_OFFSET 0x48
|
|
|
+
|
|
|
+/* page size multiple covering all config regs */
|
|
|
+#define SNB_UNCORE_PCI_IMC_MAP_SIZE 0x6000
|
|
|
+
|
|
|
+#define SNB_UNCORE_PCI_IMC_DATA_READS 0x1
|
|
|
+#define SNB_UNCORE_PCI_IMC_DATA_READS_BASE 0x5050
|
|
|
+#define SNB_UNCORE_PCI_IMC_DATA_WRITES 0x2
|
|
|
+#define SNB_UNCORE_PCI_IMC_DATA_WRITES_BASE 0x5054
|
|
|
+#define SNB_UNCORE_PCI_IMC_CTR_BASE SNB_UNCORE_PCI_IMC_DATA_READS_BASE
|
|
|
+
|
|
|
+static struct attribute *snb_uncore_imc_formats_attr[] = {
|
|
|
+ &format_attr_event.attr,
|
|
|
+ NULL,
|
|
|
+};
|
|
|
+
|
|
|
+static struct attribute_group snb_uncore_imc_format_group = {
|
|
|
+ .name = "format",
|
|
|
+ .attrs = snb_uncore_imc_formats_attr,
|
|
|
+};
|
|
|
+
|
|
|
+static void snb_uncore_imc_init_box(struct intel_uncore_box *box)
|
|
|
+{
|
|
|
+ struct pci_dev *pdev = box->pci_dev;
|
|
|
+ int where = SNB_UNCORE_PCI_IMC_BAR_OFFSET;
|
|
|
+ resource_size_t addr;
|
|
|
+ u32 pci_dword;
|
|
|
+
|
|
|
+ pci_read_config_dword(pdev, where, &pci_dword);
|
|
|
+ addr = pci_dword;
|
|
|
+
|
|
|
+#ifdef CONFIG_PHYS_ADDR_T_64BIT
|
|
|
+ pci_read_config_dword(pdev, where + 4, &pci_dword);
|
|
|
+ addr |= ((resource_size_t)pci_dword << 32);
|
|
|
+#endif
|
|
|
+
|
|
|
+ addr &= ~(PAGE_SIZE - 1);
|
|
|
+
|
|
|
+ box->io_addr = ioremap(addr, SNB_UNCORE_PCI_IMC_MAP_SIZE);
|
|
|
+ box->hrtimer_duration = UNCORE_SNB_IMC_HRTIMER_INTERVAL;
|
|
|
+}
|
|
|
+
|
|
|
+static void snb_uncore_imc_enable_box(struct intel_uncore_box *box)
|
|
|
+{}
|
|
|
+
|
|
|
+static void snb_uncore_imc_disable_box(struct intel_uncore_box *box)
|
|
|
+{}
|
|
|
+
|
|
|
+static void snb_uncore_imc_enable_event(struct intel_uncore_box *box, struct perf_event *event)
|
|
|
+{}
|
|
|
+
|
|
|
+static void snb_uncore_imc_disable_event(struct intel_uncore_box *box, struct perf_event *event)
|
|
|
+{}
|
|
|
+
|
|
|
+static u64 snb_uncore_imc_read_counter(struct intel_uncore_box *box, struct perf_event *event)
|
|
|
+{
|
|
|
+ struct hw_perf_event *hwc = &event->hw;
|
|
|
+
|
|
|
+ return (u64)*(unsigned int *)(box->io_addr + hwc->event_base);
|
|
|
+}
|
|
|
+
|
|
|
+/*
|
|
|
+ * custom event_init() function because we define our own fixed, free
|
|
|
+ * running counters, so we do not want to conflict with generic uncore
|
|
|
+ * logic. Also simplifies processing
|
|
|
+ */
|
|
|
+static int snb_uncore_imc_event_init(struct perf_event *event)
|
|
|
+{
|
|
|
+ struct intel_uncore_pmu *pmu;
|
|
|
+ struct intel_uncore_box *box;
|
|
|
+ struct hw_perf_event *hwc = &event->hw;
|
|
|
+ u64 cfg = event->attr.config & SNB_UNCORE_PCI_IMC_EVENT_MASK;
|
|
|
+ int idx, base;
|
|
|
+
|
|
|
+ if (event->attr.type != event->pmu->type)
|
|
|
+ return -ENOENT;
|
|
|
+
|
|
|
+ pmu = uncore_event_to_pmu(event);
|
|
|
+ /* no device found for this pmu */
|
|
|
+ if (pmu->func_id < 0)
|
|
|
+ return -ENOENT;
|
|
|
+
|
|
|
+ /* Sampling not supported yet */
|
|
|
+ if (hwc->sample_period)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ /* unsupported modes and filters */
|
|
|
+ if (event->attr.exclude_user ||
|
|
|
+ event->attr.exclude_kernel ||
|
|
|
+ event->attr.exclude_hv ||
|
|
|
+ event->attr.exclude_idle ||
|
|
|
+ event->attr.exclude_host ||
|
|
|
+ event->attr.exclude_guest ||
|
|
|
+ event->attr.sample_period) /* no sampling */
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ /*
|
|
|
+ * Place all uncore events for a particular physical package
|
|
|
+ * onto a single cpu
|
|
|
+ */
|
|
|
+ if (event->cpu < 0)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ /* check only supported bits are set */
|
|
|
+ if (event->attr.config & ~SNB_UNCORE_PCI_IMC_EVENT_MASK)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ box = uncore_pmu_to_box(pmu, event->cpu);
|
|
|
+ if (!box || box->cpu < 0)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ event->cpu = box->cpu;
|
|
|
+
|
|
|
+ event->hw.idx = -1;
|
|
|
+ event->hw.last_tag = ~0ULL;
|
|
|
+ event->hw.extra_reg.idx = EXTRA_REG_NONE;
|
|
|
+ event->hw.branch_reg.idx = EXTRA_REG_NONE;
|
|
|
+ /*
|
|
|
+ * check event is known (whitelist, determines counter)
|
|
|
+ */
|
|
|
+ switch (cfg) {
|
|
|
+ case SNB_UNCORE_PCI_IMC_DATA_READS:
|
|
|
+ base = SNB_UNCORE_PCI_IMC_DATA_READS_BASE;
|
|
|
+ idx = UNCORE_PMC_IDX_FIXED;
|
|
|
+ break;
|
|
|
+ case SNB_UNCORE_PCI_IMC_DATA_WRITES:
|
|
|
+ base = SNB_UNCORE_PCI_IMC_DATA_WRITES_BASE;
|
|
|
+ idx = UNCORE_PMC_IDX_FIXED + 1;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* must be done before validate_group */
|
|
|
+ event->hw.event_base = base;
|
|
|
+ event->hw.config = cfg;
|
|
|
+ event->hw.idx = idx;
|
|
|
+
|
|
|
+ /* no group validation needed, we have free running counters */
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int snb_uncore_imc_hw_config(struct intel_uncore_box *box, struct perf_event *event)
|
|
|
+{
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static void snb_uncore_imc_event_start(struct perf_event *event, int flags)
|
|
|
+{
|
|
|
+ struct intel_uncore_box *box = uncore_event_to_box(event);
|
|
|
+ u64 count;
|
|
|
+
|
|
|
+ if (WARN_ON_ONCE(!(event->hw.state & PERF_HES_STOPPED)))
|
|
|
+ return;
|
|
|
+
|
|
|
+ event->hw.state = 0;
|
|
|
+ box->n_active++;
|
|
|
+
|
|
|
+ list_add_tail(&event->active_entry, &box->active_list);
|
|
|
+
|
|
|
+ count = snb_uncore_imc_read_counter(box, event);
|
|
|
+ local64_set(&event->hw.prev_count, count);
|
|
|
+
|
|
|
+ if (box->n_active == 1)
|
|
|
+ uncore_pmu_start_hrtimer(box);
|
|
|
+}
|
|
|
+
|
|
|
+static void snb_uncore_imc_event_stop(struct perf_event *event, int flags)
|
|
|
+{
|
|
|
+ struct intel_uncore_box *box = uncore_event_to_box(event);
|
|
|
+ struct hw_perf_event *hwc = &event->hw;
|
|
|
+
|
|
|
+ if (!(hwc->state & PERF_HES_STOPPED)) {
|
|
|
+ box->n_active--;
|
|
|
+
|
|
|
+ WARN_ON_ONCE(hwc->state & PERF_HES_STOPPED);
|
|
|
+ hwc->state |= PERF_HES_STOPPED;
|
|
|
+
|
|
|
+ list_del(&event->active_entry);
|
|
|
+
|
|
|
+ if (box->n_active == 0)
|
|
|
+ uncore_pmu_cancel_hrtimer(box);
|
|
|
+ }
|
|
|
+
|
|
|
+ if ((flags & PERF_EF_UPDATE) && !(hwc->state & PERF_HES_UPTODATE)) {
|
|
|
+ /*
|
|
|
+ * Drain the remaining delta count out of a event
|
|
|
+ * that we are disabling:
|
|
|
+ */
|
|
|
+ uncore_perf_event_update(box, event);
|
|
|
+ hwc->state |= PERF_HES_UPTODATE;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static int snb_uncore_imc_event_add(struct perf_event *event, int flags)
|
|
|
+{
|
|
|
+ struct intel_uncore_box *box = uncore_event_to_box(event);
|
|
|
+ struct hw_perf_event *hwc = &event->hw;
|
|
|
+
|
|
|
+ if (!box)
|
|
|
+ return -ENODEV;
|
|
|
+
|
|
|
+ hwc->state = PERF_HES_UPTODATE | PERF_HES_STOPPED;
|
|
|
+ if (!(flags & PERF_EF_START))
|
|
|
+ hwc->state |= PERF_HES_ARCH;
|
|
|
+
|
|
|
+ snb_uncore_imc_event_start(event, 0);
|
|
|
+
|
|
|
+ box->n_events++;
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static void snb_uncore_imc_event_del(struct perf_event *event, int flags)
|
|
|
+{
|
|
|
+ struct intel_uncore_box *box = uncore_event_to_box(event);
|
|
|
+ int i;
|
|
|
+
|
|
|
+ snb_uncore_imc_event_stop(event, PERF_EF_UPDATE);
|
|
|
+
|
|
|
+ for (i = 0; i < box->n_events; i++) {
|
|
|
+ if (event == box->event_list[i]) {
|
|
|
+ --box->n_events;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static int snb_pci2phy_map_init(int devid)
|
|
|
+{
|
|
|
+ struct pci_dev *dev = NULL;
|
|
|
+ int bus;
|
|
|
+
|
|
|
+ dev = pci_get_device(PCI_VENDOR_ID_INTEL, devid, dev);
|
|
|
+ if (!dev)
|
|
|
+ return -ENOTTY;
|
|
|
+
|
|
|
+ bus = dev->bus->number;
|
|
|
+
|
|
|
+ uncore_pcibus_to_physid[bus] = 0;
|
|
|
+
|
|
|
+ pci_dev_put(dev);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static struct pmu snb_uncore_imc_pmu = {
|
|
|
+ .task_ctx_nr = perf_invalid_context,
|
|
|
+ .event_init = snb_uncore_imc_event_init,
|
|
|
+ .add = snb_uncore_imc_event_add,
|
|
|
+ .del = snb_uncore_imc_event_del,
|
|
|
+ .start = snb_uncore_imc_event_start,
|
|
|
+ .stop = snb_uncore_imc_event_stop,
|
|
|
+ .read = uncore_pmu_event_read,
|
|
|
+};
|
|
|
+
|
|
|
+static struct intel_uncore_ops snb_uncore_imc_ops = {
|
|
|
+ .init_box = snb_uncore_imc_init_box,
|
|
|
+ .enable_box = snb_uncore_imc_enable_box,
|
|
|
+ .disable_box = snb_uncore_imc_disable_box,
|
|
|
+ .disable_event = snb_uncore_imc_disable_event,
|
|
|
+ .enable_event = snb_uncore_imc_enable_event,
|
|
|
+ .hw_config = snb_uncore_imc_hw_config,
|
|
|
+ .read_counter = snb_uncore_imc_read_counter,
|
|
|
+};
|
|
|
+
|
|
|
+static struct intel_uncore_type snb_uncore_imc = {
|
|
|
+ .name = "imc",
|
|
|
+ .num_counters = 2,
|
|
|
+ .num_boxes = 1,
|
|
|
+ .fixed_ctr_bits = 32,
|
|
|
+ .fixed_ctr = SNB_UNCORE_PCI_IMC_CTR_BASE,
|
|
|
+ .event_descs = snb_uncore_imc_events,
|
|
|
+ .format_group = &snb_uncore_imc_format_group,
|
|
|
+ .perf_ctr = SNB_UNCORE_PCI_IMC_DATA_READS_BASE,
|
|
|
+ .event_mask = SNB_UNCORE_PCI_IMC_EVENT_MASK,
|
|
|
+ .ops = &snb_uncore_imc_ops,
|
|
|
+ .pmu = &snb_uncore_imc_pmu,
|
|
|
+};
|
|
|
+
|
|
|
+static struct intel_uncore_type *snb_pci_uncores[] = {
|
|
|
+ [SNB_PCI_UNCORE_IMC] = &snb_uncore_imc,
|
|
|
+ NULL,
|
|
|
+};
|
|
|
+
|
|
|
+static DEFINE_PCI_DEVICE_TABLE(snb_uncore_pci_ids) = {
|
|
|
+ { /* IMC */
|
|
|
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SNB_IMC),
|
|
|
+ .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0),
|
|
|
+ },
|
|
|
+ { /* end: all zeroes */ },
|
|
|
+};
|
|
|
+
|
|
|
+static DEFINE_PCI_DEVICE_TABLE(ivb_uncore_pci_ids) = {
|
|
|
+ { /* IMC */
|
|
|
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IVB_IMC),
|
|
|
+ .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0),
|
|
|
+ },
|
|
|
+ { /* end: all zeroes */ },
|
|
|
+};
|
|
|
+
|
|
|
+static DEFINE_PCI_DEVICE_TABLE(hsw_uncore_pci_ids) = {
|
|
|
+ { /* IMC */
|
|
|
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HSW_IMC),
|
|
|
+ .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0),
|
|
|
+ },
|
|
|
+ { /* end: all zeroes */ },
|
|
|
+};
|
|
|
+
|
|
|
+static struct pci_driver snb_uncore_pci_driver = {
|
|
|
+ .name = "snb_uncore",
|
|
|
+ .id_table = snb_uncore_pci_ids,
|
|
|
+};
|
|
|
+
|
|
|
+static struct pci_driver ivb_uncore_pci_driver = {
|
|
|
+ .name = "ivb_uncore",
|
|
|
+ .id_table = ivb_uncore_pci_ids,
|
|
|
+};
|
|
|
+
|
|
|
+static struct pci_driver hsw_uncore_pci_driver = {
|
|
|
+ .name = "hsw_uncore",
|
|
|
+ .id_table = hsw_uncore_pci_ids,
|
|
|
+};
|
|
|
+
|
|
|
+int snb_uncore_pci_init(void)
|
|
|
+{
|
|
|
+ int ret = snb_pci2phy_map_init(PCI_DEVICE_ID_INTEL_SNB_IMC);
|
|
|
+ if (ret)
|
|
|
+ return ret;
|
|
|
+ uncore_pci_uncores = snb_pci_uncores;
|
|
|
+ uncore_pci_driver = &snb_uncore_pci_driver;
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int ivb_uncore_pci_init(void)
|
|
|
+{
|
|
|
+ int ret = snb_pci2phy_map_init(PCI_DEVICE_ID_INTEL_IVB_IMC);
|
|
|
+ if (ret)
|
|
|
+ return ret;
|
|
|
+ uncore_pci_uncores = snb_pci_uncores;
|
|
|
+ uncore_pci_driver = &ivb_uncore_pci_driver;
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int hsw_uncore_pci_init(void)
|
|
|
+{
|
|
|
+ int ret = snb_pci2phy_map_init(PCI_DEVICE_ID_INTEL_HSW_IMC);
|
|
|
+ if (ret)
|
|
|
+ return ret;
|
|
|
+ uncore_pci_uncores = snb_pci_uncores;
|
|
|
+ uncore_pci_driver = &hsw_uncore_pci_driver;
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+/* end of Sandy Bridge uncore support */
|
|
|
+
|
|
|
+/* Nehalem uncore support */
|
|
|
+static void nhm_uncore_msr_disable_box(struct intel_uncore_box *box)
|
|
|
+{
|
|
|
+ wrmsrl(NHM_UNC_PERF_GLOBAL_CTL, 0);
|
|
|
+}
|
|
|
+
|
|
|
+static void nhm_uncore_msr_enable_box(struct intel_uncore_box *box)
|
|
|
+{
|
|
|
+ wrmsrl(NHM_UNC_PERF_GLOBAL_CTL, NHM_UNC_GLOBAL_CTL_EN_PC_ALL | NHM_UNC_GLOBAL_CTL_EN_FC);
|
|
|
+}
|
|
|
+
|
|
|
+static void nhm_uncore_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event)
|
|
|
+{
|
|
|
+ struct hw_perf_event *hwc = &event->hw;
|
|
|
+
|
|
|
+ if (hwc->idx < UNCORE_PMC_IDX_FIXED)
|
|
|
+ wrmsrl(hwc->config_base, hwc->config | SNB_UNC_CTL_EN);
|
|
|
+ else
|
|
|
+ wrmsrl(hwc->config_base, NHM_UNC_FIXED_CTR_CTL_EN);
|
|
|
+}
|
|
|
+
|
|
|
+static struct attribute *nhm_uncore_formats_attr[] = {
|
|
|
+ &format_attr_event.attr,
|
|
|
+ &format_attr_umask.attr,
|
|
|
+ &format_attr_edge.attr,
|
|
|
+ &format_attr_inv.attr,
|
|
|
+ &format_attr_cmask8.attr,
|
|
|
+ NULL,
|
|
|
+};
|
|
|
+
|
|
|
+static struct attribute_group nhm_uncore_format_group = {
|
|
|
+ .name = "format",
|
|
|
+ .attrs = nhm_uncore_formats_attr,
|
|
|
+};
|
|
|
+
|
|
|
+static struct uncore_event_desc nhm_uncore_events[] = {
|
|
|
+ INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0x00"),
|
|
|
+ INTEL_UNCORE_EVENT_DESC(qmc_writes_full_any, "event=0x2f,umask=0x0f"),
|
|
|
+ INTEL_UNCORE_EVENT_DESC(qmc_normal_reads_any, "event=0x2c,umask=0x0f"),
|
|
|
+ INTEL_UNCORE_EVENT_DESC(qhl_request_ioh_reads, "event=0x20,umask=0x01"),
|
|
|
+ INTEL_UNCORE_EVENT_DESC(qhl_request_ioh_writes, "event=0x20,umask=0x02"),
|
|
|
+ INTEL_UNCORE_EVENT_DESC(qhl_request_remote_reads, "event=0x20,umask=0x04"),
|
|
|
+ INTEL_UNCORE_EVENT_DESC(qhl_request_remote_writes, "event=0x20,umask=0x08"),
|
|
|
+ INTEL_UNCORE_EVENT_DESC(qhl_request_local_reads, "event=0x20,umask=0x10"),
|
|
|
+ INTEL_UNCORE_EVENT_DESC(qhl_request_local_writes, "event=0x20,umask=0x20"),
|
|
|
+ { /* end: all zeroes */ },
|
|
|
+};
|
|
|
+
|
|
|
+static struct intel_uncore_ops nhm_uncore_msr_ops = {
|
|
|
+ .disable_box = nhm_uncore_msr_disable_box,
|
|
|
+ .enable_box = nhm_uncore_msr_enable_box,
|
|
|
+ .disable_event = snb_uncore_msr_disable_event,
|
|
|
+ .enable_event = nhm_uncore_msr_enable_event,
|
|
|
+ .read_counter = uncore_msr_read_counter,
|
|
|
+};
|
|
|
+
|
|
|
+static struct intel_uncore_type nhm_uncore = {
|
|
|
+ .name = "",
|
|
|
+ .num_counters = 8,
|
|
|
+ .num_boxes = 1,
|
|
|
+ .perf_ctr_bits = 48,
|
|
|
+ .fixed_ctr_bits = 48,
|
|
|
+ .event_ctl = NHM_UNC_PERFEVTSEL0,
|
|
|
+ .perf_ctr = NHM_UNC_UNCORE_PMC0,
|
|
|
+ .fixed_ctr = NHM_UNC_FIXED_CTR,
|
|
|
+ .fixed_ctl = NHM_UNC_FIXED_CTR_CTRL,
|
|
|
+ .event_mask = NHM_UNC_RAW_EVENT_MASK,
|
|
|
+ .event_descs = nhm_uncore_events,
|
|
|
+ .ops = &nhm_uncore_msr_ops,
|
|
|
+ .format_group = &nhm_uncore_format_group,
|
|
|
+};
|
|
|
+
|
|
|
+static struct intel_uncore_type *nhm_msr_uncores[] = {
|
|
|
+ &nhm_uncore,
|
|
|
+ NULL,
|
|
|
+};
|
|
|
+
|
|
|
+void nhm_uncore_cpu_init(void)
|
|
|
+{
|
|
|
+ uncore_msr_uncores = nhm_msr_uncores;
|
|
|
+}
|
|
|
+
|
|
|
+/* end of Nehalem uncore support */
|