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Commit 77af0037 authored by Harish Chegondi's avatar Harish Chegondi Committed by Ingo Molnar
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perf/x86/intel/uncore: Add Knights Landing uncore PMU support 

Knights Landing uncore performance monitoring (perfmon) is derived from
Haswell-EP uncore perfmon with several differences. One notable difference
is in PCI device IDs. Knights Landing uses common PCI device ID for
multiple instances of an uncore PMU device type. In Haswell-EP, each
instance of a PMU device type has a unique device ID.

Knights Landing uncore components that have performance monitoring units
are UBOX, CHA, EDC, MC, M2PCIe, IRP and PCU. Perfmon registers in EDC, MC,
IRP, and M2PCIe reside in the PCIe configuration space. Perfmon registers
in UBOX, CHA and PCU are accessed via the MSR interface.

For more details, please refer to the public document:

  https://software.intel.com/sites/default/files/managed/15/8d/IntelXeonPhi%E2%84%A2x200ProcessorPerformanceMonitoringReferenceManual_Volume1_Registers_v0%206.pdfSigned-off-by: default avatarHarish Chegondi <harish.chegondi@intel.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andi Kleen <andi.kleen@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Harish Chegondi <harish.chegondi@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Lukasz Anaczkowski <lukasz.anaczkowski@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Link: http://lkml.kernel.org/r/8ac513981264c3eb10343a3f523f19cc5a2d12fe.1449470704.git.harish.chegondi@intel.comSigned-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent dae25530
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Showing with 499 additions and 1 deletion
arch/x86/kernel/cpu/perf_event_intel_uncore.c
View file @ 77af0037
......@@ -884,6 +884,15 @@ static int uncore_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id
* each box has a different function id.
*/
pmu = &type->pmus[UNCORE_PCI_DEV_IDX(id->driver_data)];
/* Knights Landing uses a common PCI device ID for multiple instances of
* an uncore PMU device type. There is only one entry per device type in
* the knl_uncore_pci_ids table inspite of multiple devices present for
* some device types. Hence PCI device idx would be 0 for all devices.
* So increment pmu pointer to point to an unused array element.
*/
if (boot_cpu_data.x86_model == 87)
while (pmu->func_id >= 0)
pmu++;
if (pmu->func_id < 0)
pmu->func_id = pdev->devfn;
else
......@@ -983,6 +992,9 @@ static int __init uncore_pci_init(void)
case 61: /* Broadwell */
ret = bdw_uncore_pci_init();
break;
case 87: /* Knights Landing */
ret = knl_uncore_pci_init();
break;
default:
return 0;
}
......@@ -1292,6 +1304,9 @@ static int __init uncore_cpu_init(void)
case 86: /* BDX-DE */
bdx_uncore_cpu_init();
break;
case 87: /* Knights Landing */
knl_uncore_cpu_init();
break;
default:
return 0;
}
......
arch/x86/kernel/cpu/perf_event_intel_uncore.h
View file @ 77af0037
......@@ -338,6 +338,7 @@ int hsw_uncore_pci_init(void);
int bdw_uncore_pci_init(void);
void snb_uncore_cpu_init(void);
void nhm_uncore_cpu_init(void);
int snb_pci2phy_map_init(int devid);
/* perf_event_intel_uncore_snbep.c */
int snbep_uncore_pci_init(void);
......@@ -348,6 +349,8 @@ int hswep_uncore_pci_init(void);
void hswep_uncore_cpu_init(void);
int bdx_uncore_pci_init(void);
void bdx_uncore_cpu_init(void);
int knl_uncore_pci_init(void);
void knl_uncore_cpu_init(void);
/* perf_event_intel_uncore_nhmex.c */
void nhmex_uncore_cpu_init(void);
arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c
View file @ 77af0037
......@@ -417,7 +417,7 @@ static void snb_uncore_imc_event_del(struct perf_event *event, int flags)
}
}
static int snb_pci2phy_map_init(int devid)
int snb_pci2phy_map_init(int devid)
{
struct pci_dev *dev = NULL;
struct pci2phy_map *map;
......
arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c
View file @ 77af0037
......@@ -209,31 +209,98 @@
#define HSWEP_PCU_MSR_PMON_BOX_CTL 0x710
#define HSWEP_PCU_MSR_PMON_BOX_FILTER 0x715
/* KNL Ubox */
#define KNL_U_MSR_PMON_RAW_EVENT_MASK \
(SNBEP_U_MSR_PMON_RAW_EVENT_MASK | \
SNBEP_CBO_PMON_CTL_TID_EN)
/* KNL CHA */
#define KNL_CHA_MSR_OFFSET 0xc
#define KNL_CHA_MSR_PMON_CTL_QOR (1 << 16)
#define KNL_CHA_MSR_PMON_RAW_EVENT_MASK \
(SNBEP_CBO_MSR_PMON_RAW_EVENT_MASK | \
KNL_CHA_MSR_PMON_CTL_QOR)
#define KNL_CHA_MSR_PMON_BOX_FILTER_TID 0x1ff
#define KNL_CHA_MSR_PMON_BOX_FILTER_STATE (7 << 18)
#define KNL_CHA_MSR_PMON_BOX_FILTER_OP (0xfffffe2aULL << 32)
/* KNL EDC/MC UCLK */
#define KNL_UCLK_MSR_PMON_CTR0_LOW 0x400
#define KNL_UCLK_MSR_PMON_CTL0 0x420
#define KNL_UCLK_MSR_PMON_BOX_CTL 0x430
#define KNL_UCLK_MSR_PMON_UCLK_FIXED_LOW 0x44c
#define KNL_UCLK_MSR_PMON_UCLK_FIXED_CTL 0x454
#define KNL_PMON_FIXED_CTL_EN 0x1
/* KNL EDC */
#define KNL_EDC0_ECLK_MSR_PMON_CTR0_LOW 0xa00
#define KNL_EDC0_ECLK_MSR_PMON_CTL0 0xa20
#define KNL_EDC0_ECLK_MSR_PMON_BOX_CTL 0xa30
#define KNL_EDC0_ECLK_MSR_PMON_ECLK_FIXED_LOW 0xa3c
#define KNL_EDC0_ECLK_MSR_PMON_ECLK_FIXED_CTL 0xa44
/* KNL MC */
#define KNL_MC0_CH0_MSR_PMON_CTR0_LOW 0xb00
#define KNL_MC0_CH0_MSR_PMON_CTL0 0xb20
#define KNL_MC0_CH0_MSR_PMON_BOX_CTL 0xb30
#define KNL_MC0_CH0_MSR_PMON_FIXED_LOW 0xb3c
#define KNL_MC0_CH0_MSR_PMON_FIXED_CTL 0xb44
/* KNL IRP */
#define KNL_IRP_PCI_PMON_BOX_CTL 0xf0
#define KNL_IRP_PCI_PMON_RAW_EVENT_MASK (SNBEP_PMON_RAW_EVENT_MASK | \
KNL_CHA_MSR_PMON_CTL_QOR)
/* KNL PCU */
#define KNL_PCU_PMON_CTL_EV_SEL_MASK 0x0000007f
#define KNL_PCU_PMON_CTL_USE_OCC_CTR (1 << 7)
#define KNL_PCU_MSR_PMON_CTL_TRESH_MASK 0x3f000000
#define KNL_PCU_MSR_PMON_RAW_EVENT_MASK \
(KNL_PCU_PMON_CTL_EV_SEL_MASK | \
KNL_PCU_PMON_CTL_USE_OCC_CTR | \
SNBEP_PCU_MSR_PMON_CTL_OCC_SEL_MASK | \
SNBEP_PMON_CTL_EDGE_DET | \
SNBEP_CBO_PMON_CTL_TID_EN | \
SNBEP_PMON_CTL_EV_SEL_EXT | \
SNBEP_PMON_CTL_INVERT | \
KNL_PCU_MSR_PMON_CTL_TRESH_MASK | \
SNBEP_PCU_MSR_PMON_CTL_OCC_INVERT | \
SNBEP_PCU_MSR_PMON_CTL_OCC_EDGE_DET)
DEFINE_UNCORE_FORMAT_ATTR(event, event, "config:0-7");
DEFINE_UNCORE_FORMAT_ATTR(event2, event, "config:0-6");
DEFINE_UNCORE_FORMAT_ATTR(event_ext, event, "config:0-7,21");
DEFINE_UNCORE_FORMAT_ATTR(use_occ_ctr, use_occ_ctr, "config:7");
DEFINE_UNCORE_FORMAT_ATTR(umask, umask, "config:8-15");
DEFINE_UNCORE_FORMAT_ATTR(qor, qor, "config:16");
DEFINE_UNCORE_FORMAT_ATTR(edge, edge, "config:18");
DEFINE_UNCORE_FORMAT_ATTR(tid_en, tid_en, "config:19");
DEFINE_UNCORE_FORMAT_ATTR(inv, inv, "config:23");
DEFINE_UNCORE_FORMAT_ATTR(thresh8, thresh, "config:24-31");
DEFINE_UNCORE_FORMAT_ATTR(thresh6, thresh, "config:24-29");
DEFINE_UNCORE_FORMAT_ATTR(thresh5, thresh, "config:24-28");
DEFINE_UNCORE_FORMAT_ATTR(occ_sel, occ_sel, "config:14-15");
DEFINE_UNCORE_FORMAT_ATTR(occ_invert, occ_invert, "config:30");
DEFINE_UNCORE_FORMAT_ATTR(occ_edge, occ_edge, "config:14-51");
DEFINE_UNCORE_FORMAT_ATTR(occ_edge_det, occ_edge_det, "config:31");
DEFINE_UNCORE_FORMAT_ATTR(filter_tid, filter_tid, "config1:0-4");
DEFINE_UNCORE_FORMAT_ATTR(filter_tid2, filter_tid, "config1:0");
DEFINE_UNCORE_FORMAT_ATTR(filter_tid3, filter_tid, "config1:0-5");
DEFINE_UNCORE_FORMAT_ATTR(filter_tid4, filter_tid, "config1:0-8");
DEFINE_UNCORE_FORMAT_ATTR(filter_cid, filter_cid, "config1:5");
DEFINE_UNCORE_FORMAT_ATTR(filter_link, filter_link, "config1:5-8");
DEFINE_UNCORE_FORMAT_ATTR(filter_link2, filter_link, "config1:6-8");
DEFINE_UNCORE_FORMAT_ATTR(filter_link3, filter_link, "config1:12");
DEFINE_UNCORE_FORMAT_ATTR(filter_nid, filter_nid, "config1:10-17");
DEFINE_UNCORE_FORMAT_ATTR(filter_nid2, filter_nid, "config1:32-47");
DEFINE_UNCORE_FORMAT_ATTR(filter_state, filter_state, "config1:18-22");
DEFINE_UNCORE_FORMAT_ATTR(filter_state2, filter_state, "config1:17-22");
DEFINE_UNCORE_FORMAT_ATTR(filter_state3, filter_state, "config1:17-23");
DEFINE_UNCORE_FORMAT_ATTR(filter_state4, filter_state, "config1:18-20");
DEFINE_UNCORE_FORMAT_ATTR(filter_local, filter_local, "config1:33");
DEFINE_UNCORE_FORMAT_ATTR(filter_all_op, filter_all_op, "config1:35");
DEFINE_UNCORE_FORMAT_ATTR(filter_nnm, filter_nnm, "config1:37");
DEFINE_UNCORE_FORMAT_ATTR(filter_opc, filter_opc, "config1:23-31");
DEFINE_UNCORE_FORMAT_ATTR(filter_opc2, filter_opc, "config1:52-60");
DEFINE_UNCORE_FORMAT_ATTR(filter_opc3, filter_opc, "config1:41-60");
DEFINE_UNCORE_FORMAT_ATTR(filter_nc, filter_nc, "config1:62");
DEFINE_UNCORE_FORMAT_ATTR(filter_c6, filter_c6, "config1:61");
DEFINE_UNCORE_FORMAT_ATTR(filter_isoc, filter_isoc, "config1:63");
......@@ -1729,6 +1796,419 @@ int ivbep_uncore_pci_init(void)
}
/* end of IvyTown uncore support */
/* KNL uncore support */
static struct attribute *knl_uncore_ubox_formats_attr[] = {
&format_attr_event.attr,
&format_attr_umask.attr,
&format_attr_edge.attr,
&format_attr_tid_en.attr,
&format_attr_inv.attr,
&format_attr_thresh5.attr,
NULL,
};
static struct attribute_group knl_uncore_ubox_format_group = {
.name = "format",
.attrs = knl_uncore_ubox_formats_attr,
};
static struct intel_uncore_type knl_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 = KNL_U_MSR_PMON_RAW_EVENT_MASK,
.fixed_ctr = HSWEP_U_MSR_PMON_UCLK_FIXED_CTR,
.fixed_ctl = HSWEP_U_MSR_PMON_UCLK_FIXED_CTL,
.ops = &snbep_uncore_msr_ops,
.format_group = &knl_uncore_ubox_format_group,
};
static struct attribute *knl_uncore_cha_formats_attr[] = {
&format_attr_event.attr,
&format_attr_umask.attr,
&format_attr_qor.attr,
&format_attr_edge.attr,
&format_attr_tid_en.attr,
&format_attr_inv.attr,
&format_attr_thresh8.attr,
&format_attr_filter_tid4.attr,
&format_attr_filter_link3.attr,
&format_attr_filter_state4.attr,
&format_attr_filter_local.attr,
&format_attr_filter_all_op.attr,
&format_attr_filter_nnm.attr,
&format_attr_filter_opc3.attr,
&format_attr_filter_nc.attr,
&format_attr_filter_isoc.attr,
NULL,
};
static struct attribute_group knl_uncore_cha_format_group = {
.name = "format",
.attrs = knl_uncore_cha_formats_attr,
};
static struct event_constraint knl_uncore_cha_constraints[] = {
UNCORE_EVENT_CONSTRAINT(0x11, 0x1),
UNCORE_EVENT_CONSTRAINT(0x1f, 0x1),
UNCORE_EVENT_CONSTRAINT(0x36, 0x1),
EVENT_CONSTRAINT_END
};
static struct extra_reg knl_uncore_cha_extra_regs[] = {
SNBEP_CBO_EVENT_EXTRA_REG(SNBEP_CBO_PMON_CTL_TID_EN,
SNBEP_CBO_PMON_CTL_TID_EN, 0x1),
SNBEP_CBO_EVENT_EXTRA_REG(0x3d, 0xff, 0x2),
SNBEP_CBO_EVENT_EXTRA_REG(0x35, 0xff, 0x4),
SNBEP_CBO_EVENT_EXTRA_REG(0x36, 0xff, 0x4),
EVENT_EXTRA_END
};
static u64 knl_cha_filter_mask(int fields)
{
u64 mask = 0;
if (fields & 0x1)
mask |= KNL_CHA_MSR_PMON_BOX_FILTER_TID;
if (fields & 0x2)
mask |= KNL_CHA_MSR_PMON_BOX_FILTER_STATE;
if (fields & 0x4)
mask |= KNL_CHA_MSR_PMON_BOX_FILTER_OP;
return mask;
}
static struct event_constraint *
knl_cha_get_constraint(struct intel_uncore_box *box, struct perf_event *event)
{
return __snbep_cbox_get_constraint(box, event, knl_cha_filter_mask);
}
static int knl_cha_hw_config(struct intel_uncore_box *box,
struct perf_event *event)
{
struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
struct extra_reg *er;
int idx = 0;
for (er = knl_uncore_cha_extra_regs; er->msr; er++) {
if (er->event != (event->hw.config & er->config_mask))
continue;
idx |= er->idx;
}
if (idx) {
reg1->reg = HSWEP_C0_MSR_PMON_BOX_FILTER0 +
KNL_CHA_MSR_OFFSET * box->pmu->pmu_idx;
reg1->config = event->attr.config1 & knl_cha_filter_mask(idx);
reg1->idx = idx;
}
return 0;
}
static void hswep_cbox_enable_event(struct intel_uncore_box *box,
struct perf_event *event);
static struct intel_uncore_ops knl_uncore_cha_ops = {
.init_box = snbep_uncore_msr_init_box,
.disable_box = snbep_uncore_msr_disable_box,
.enable_box = snbep_uncore_msr_enable_box,
.disable_event = snbep_uncore_msr_disable_event,
.enable_event = hswep_cbox_enable_event,
.read_counter = uncore_msr_read_counter,
.hw_config = knl_cha_hw_config,
.get_constraint = knl_cha_get_constraint,
.put_constraint = snbep_cbox_put_constraint,
};
static struct intel_uncore_type knl_uncore_cha = {
.name = "cha",
.num_counters = 4,
.num_boxes = 38,
.perf_ctr_bits = 48,
.event_ctl = HSWEP_C0_MSR_PMON_CTL0,
.perf_ctr = HSWEP_C0_MSR_PMON_CTR0,
.event_mask = KNL_CHA_MSR_PMON_RAW_EVENT_MASK,
.box_ctl = HSWEP_C0_MSR_PMON_BOX_CTL,
.msr_offset = KNL_CHA_MSR_OFFSET,
.num_shared_regs = 1,
.constraints = knl_uncore_cha_constraints,
.ops = &knl_uncore_cha_ops,
.format_group = &knl_uncore_cha_format_group,
};
static struct attribute *knl_uncore_pcu_formats_attr[] = {
&format_attr_event2.attr,
&format_attr_use_occ_ctr.attr,
&format_attr_occ_sel.attr,
&format_attr_edge.attr,
&format_attr_tid_en.attr,
&format_attr_inv.attr,
&format_attr_thresh6.attr,
&format_attr_occ_invert.attr,
&format_attr_occ_edge_det.attr,
NULL,
};
static struct attribute_group knl_uncore_pcu_format_group = {
.name = "format",
.attrs = knl_uncore_pcu_formats_attr,
};
static struct intel_uncore_type knl_uncore_pcu = {
.name = "pcu",
.num_counters = 4,
.num_boxes = 1,
.perf_ctr_bits = 48,
.perf_ctr = HSWEP_PCU_MSR_PMON_CTR0,
.event_ctl = HSWEP_PCU_MSR_PMON_CTL0,
.event_mask = KNL_PCU_MSR_PMON_RAW_EVENT_MASK,
.box_ctl = HSWEP_PCU_MSR_PMON_BOX_CTL,
.ops = &snbep_uncore_msr_ops,
.format_group = &knl_uncore_pcu_format_group,
};
static struct intel_uncore_type *knl_msr_uncores[] = {
&knl_uncore_ubox,
&knl_uncore_cha,
&knl_uncore_pcu,
NULL,
};
void knl_uncore_cpu_init(void)
{
uncore_msr_uncores = knl_msr_uncores;
}
static void knl_uncore_imc_enable_box(struct intel_uncore_box *box)
{
struct pci_dev *pdev = box->pci_dev;
int box_ctl = uncore_pci_box_ctl(box);
pci_write_config_dword(pdev, box_ctl, 0);
}
static void knl_uncore_imc_enable_event(struct intel_uncore_box *box,
struct perf_event *event)
{
struct pci_dev *pdev = box->pci_dev;
struct hw_perf_event *hwc = &event->hw;
if ((event->attr.config & SNBEP_PMON_CTL_EV_SEL_MASK)
== UNCORE_FIXED_EVENT)
pci_write_config_dword(pdev, hwc->config_base,
hwc->config | KNL_PMON_FIXED_CTL_EN);
else
pci_write_config_dword(pdev, hwc->config_base,
hwc->config | SNBEP_PMON_CTL_EN);
}
static struct intel_uncore_ops knl_uncore_imc_ops = {
.init_box = snbep_uncore_pci_init_box,
.disable_box = snbep_uncore_pci_disable_box,
.enable_box = knl_uncore_imc_enable_box,
.read_counter = snbep_uncore_pci_read_counter,
.enable_event = knl_uncore_imc_enable_event,
.disable_event = snbep_uncore_pci_disable_event,
};
static struct intel_uncore_type knl_uncore_imc_uclk = {
.name = "imc_uclk",
.num_counters = 4,
.num_boxes = 2,
.perf_ctr_bits = 48,
.fixed_ctr_bits = 48,
.perf_ctr = KNL_UCLK_MSR_PMON_CTR0_LOW,
.event_ctl = KNL_UCLK_MSR_PMON_CTL0,
.event_mask = SNBEP_PMON_RAW_EVENT_MASK,
.fixed_ctr = KNL_UCLK_MSR_PMON_UCLK_FIXED_LOW,
.fixed_ctl = KNL_UCLK_MSR_PMON_UCLK_FIXED_CTL,
.box_ctl = KNL_UCLK_MSR_PMON_BOX_CTL,
.ops = &knl_uncore_imc_ops,
.format_group = &snbep_uncore_format_group,
};
static struct intel_uncore_type knl_uncore_imc_dclk = {
.name = "imc",
.num_counters = 4,
.num_boxes = 6,
.perf_ctr_bits = 48,
.fixed_ctr_bits = 48,
.perf_ctr = KNL_MC0_CH0_MSR_PMON_CTR0_LOW,
.event_ctl = KNL_MC0_CH0_MSR_PMON_CTL0,
.event_mask = SNBEP_PMON_RAW_EVENT_MASK,
.fixed_ctr = KNL_MC0_CH0_MSR_PMON_FIXED_LOW,
.fixed_ctl = KNL_MC0_CH0_MSR_PMON_FIXED_CTL,
.box_ctl = KNL_MC0_CH0_MSR_PMON_BOX_CTL,
.ops = &knl_uncore_imc_ops,
.format_group = &snbep_uncore_format_group,
};
static struct intel_uncore_type knl_uncore_edc_uclk = {
.name = "edc_uclk",
.num_counters = 4,
.num_boxes = 8,
.perf_ctr_bits = 48,
.fixed_ctr_bits = 48,
.perf_ctr = KNL_UCLK_MSR_PMON_CTR0_LOW,
.event_ctl = KNL_UCLK_MSR_PMON_CTL0,
.event_mask = SNBEP_PMON_RAW_EVENT_MASK,
.fixed_ctr = KNL_UCLK_MSR_PMON_UCLK_FIXED_LOW,
.fixed_ctl = KNL_UCLK_MSR_PMON_UCLK_FIXED_CTL,
.box_ctl = KNL_UCLK_MSR_PMON_BOX_CTL,
.ops = &knl_uncore_imc_ops,
.format_group = &snbep_uncore_format_group,
};
static struct intel_uncore_type knl_uncore_edc_eclk = {
.name = "edc_eclk",
.num_counters = 4,
.num_boxes = 8,
.perf_ctr_bits = 48,
.fixed_ctr_bits = 48,
.perf_ctr = KNL_EDC0_ECLK_MSR_PMON_CTR0_LOW,
.event_ctl = KNL_EDC0_ECLK_MSR_PMON_CTL0,
.event_mask = SNBEP_PMON_RAW_EVENT_MASK,
.fixed_ctr = KNL_EDC0_ECLK_MSR_PMON_ECLK_FIXED_LOW,
.fixed_ctl = KNL_EDC0_ECLK_MSR_PMON_ECLK_FIXED_CTL,
.box_ctl = KNL_EDC0_ECLK_MSR_PMON_BOX_CTL,
.ops = &knl_uncore_imc_ops,
.format_group = &snbep_uncore_format_group,
};
static struct event_constraint knl_uncore_m2pcie_constraints[] = {
UNCORE_EVENT_CONSTRAINT(0x23, 0x3),
EVENT_CONSTRAINT_END
};
static struct intel_uncore_type knl_uncore_m2pcie = {
.name = "m2pcie",
.num_counters = 4,
.num_boxes = 1,
.perf_ctr_bits = 48,
.constraints = knl_uncore_m2pcie_constraints,
SNBEP_UNCORE_PCI_COMMON_INIT(),
};
static struct attribute *knl_uncore_irp_formats_attr[] = {
&format_attr_event.attr,
&format_attr_umask.attr,
&format_attr_qor.attr,
&format_attr_edge.attr,
&format_attr_inv.attr,
&format_attr_thresh8.attr,
NULL,
};
static struct attribute_group knl_uncore_irp_format_group = {
.name = "format",
.attrs = knl_uncore_irp_formats_attr,
};
static struct intel_uncore_type knl_uncore_irp = {
.name = "irp",
.num_counters = 2,
.num_boxes = 1,
.perf_ctr_bits = 48,
.perf_ctr = SNBEP_PCI_PMON_CTR0,
.event_ctl = SNBEP_PCI_PMON_CTL0,
.event_mask = KNL_IRP_PCI_PMON_RAW_EVENT_MASK,
.box_ctl = KNL_IRP_PCI_PMON_BOX_CTL,
.ops = &snbep_uncore_pci_ops,
.format_group = &knl_uncore_irp_format_group,
};
enum {
KNL_PCI_UNCORE_MC_UCLK,
KNL_PCI_UNCORE_MC_DCLK,
KNL_PCI_UNCORE_EDC_UCLK,
KNL_PCI_UNCORE_EDC_ECLK,
KNL_PCI_UNCORE_M2PCIE,
KNL_PCI_UNCORE_IRP,
};
static struct intel_uncore_type *knl_pci_uncores[] = {
[KNL_PCI_UNCORE_MC_UCLK] = &knl_uncore_imc_uclk,
[KNL_PCI_UNCORE_MC_DCLK] = &knl_uncore_imc_dclk,
[KNL_PCI_UNCORE_EDC_UCLK] = &knl_uncore_edc_uclk,
[KNL_PCI_UNCORE_EDC_ECLK] = &knl_uncore_edc_eclk,
[KNL_PCI_UNCORE_M2PCIE] = &knl_uncore_m2pcie,
[KNL_PCI_UNCORE_IRP] = &knl_uncore_irp,
NULL,
};
/*
* KNL uses a common PCI device ID for multiple instances of an Uncore PMU
* device type. prior to KNL, each instance of a PMU device type had a unique
* device ID.
*
* PCI Device ID Uncore PMU Devices
* ----------------------------------
* 0x7841 MC0 UClk, MC1 UClk
* 0x7843 MC0 DClk CH 0, MC0 DClk CH 1, MC0 DClk CH 2,
* MC1 DClk CH 0, MC1 DClk CH 1, MC1 DClk CH 2
* 0x7833 EDC0 UClk, EDC1 UClk, EDC2 UClk, EDC3 UClk,
* EDC4 UClk, EDC5 UClk, EDC6 UClk, EDC7 UClk
* 0x7835 EDC0 EClk, EDC1 EClk, EDC2 EClk, EDC3 EClk,
* EDC4 EClk, EDC5 EClk, EDC6 EClk, EDC7 EClk
* 0x7817 M2PCIe
* 0x7814 IRP
*/
static const struct pci_device_id knl_uncore_pci_ids[] = {
{ /* MC UClk */
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x7841),
.driver_data = UNCORE_PCI_DEV_DATA(KNL_PCI_UNCORE_MC_UCLK, 0),
},
{ /* MC DClk Channel */
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x7843),
.driver_data = UNCORE_PCI_DEV_DATA(KNL_PCI_UNCORE_MC_DCLK, 0),
},
{ /* EDC UClk */
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x7833),
.driver_data = UNCORE_PCI_DEV_DATA(KNL_PCI_UNCORE_EDC_UCLK, 0),
},
{ /* EDC EClk */
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x7835),
.driver_data = UNCORE_PCI_DEV_DATA(KNL_PCI_UNCORE_EDC_ECLK, 0),
},
{ /* M2PCIe */
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x7817),
.driver_data = UNCORE_PCI_DEV_DATA(KNL_PCI_UNCORE_M2PCIE, 0),
},
{ /* IRP */
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x7814),
.driver_data = UNCORE_PCI_DEV_DATA(KNL_PCI_UNCORE_IRP, 0),
},
{ /* end: all zeroes */ }
};
static struct pci_driver knl_uncore_pci_driver = {
.name = "knl_uncore",
.id_table = knl_uncore_pci_ids,
};
int knl_uncore_pci_init(void)
{
int ret;
/* All KNL PCI based PMON units are on the same PCI bus except IRP */
ret = snb_pci2phy_map_init(0x7814); /* IRP */
if (ret)
return ret;
ret = snb_pci2phy_map_init(0x7817); /* M2PCIe */
if (ret)
return ret;
uncore_pci_uncores = knl_pci_uncores;
uncore_pci_driver = &knl_uncore_pci_driver;
return 0;
}
/* end of KNL uncore support */
/* Haswell-EP uncore support */
static struct attribute *hswep_uncore_ubox_formats_attr[] = {
&format_attr_event.attr,
......
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