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authorLinus Torvalds <torvalds@linux-foundation.org>2017-07-05 17:09:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-05 17:09:27 -0700
commit55a7b2125cf4739a8478d2d7223310ae7393408c (patch)
tree8beb7d6a335d744998f559745de8fb9702871a51 /drivers
parente5f76a2e0e84ca2a215ecbf6feae88780d055c56 (diff)
parent425e1ed73e6574e4fe186ec82fd37213cbd47df0 (diff)
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon: - RAS reporting via GHES/APEI (ACPI) - Indirect ftrace trampolines for modules - Improvements to kernel fault reporting - Page poisoning - Sigframe cleanups and preparation for SVE context - Core dump fixes - Sparse fixes (mainly relating to endianness) - xgene SoC PMU v3 driver - Misc cleanups and non-critical fixes * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (75 commits) arm64: fix endianness annotation for 'struct jit_ctx' and friends arm64: cpuinfo: constify attribute_group structures. arm64: ptrace: Fix incorrect get_user() use in compat_vfp_set() arm64: ptrace: Remove redundant overrun check from compat_vfp_set() arm64: ptrace: Avoid setting compat FP[SC]R to garbage if get_user fails arm64: fix endianness annotation for __apply_alternatives()/get_alt_insn() arm64: fix endianness annotation in get_kaslr_seed() arm64: add missing conversion to __wsum in ip_fast_csum() arm64: fix endianness annotation in acpi_parking_protocol.c arm64: use readq() instead of readl() to read 64bit entry_point arm64: fix endianness annotation for reloc_insn_movw() & reloc_insn_imm() arm64: fix endianness annotation for aarch64_insn_write() arm64: fix endianness annotation in aarch64_insn_read() arm64: fix endianness annotation in call_undef_hook() arm64: fix endianness annotation for debug-monitors.c ras: mark stub functions as 'inline' arm64: pass endianness info to sparse arm64: ftrace: fix !CONFIG_ARM64_MODULE_PLTS kernels arm64: signal: Allow expansion of the signal frame acpi: apei: check for pending errors when probing GHES entries ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/apei/Kconfig15
-rw-r--r--drivers/acpi/apei/ghes.c206
-rw-r--r--drivers/acpi/apei/hest.c7
-rw-r--r--drivers/acpi/arm64/iort.c15
-rw-r--r--drivers/char/Kconfig2
-rw-r--r--drivers/firmware/efi/cper.c204
-rw-r--r--drivers/irqchip/Kconfig1
-rw-r--r--drivers/perf/Kconfig9
-rw-r--r--drivers/perf/xgene_pmu.c684
-rw-r--r--drivers/ras/ras.c16
10 files changed, 1033 insertions, 126 deletions
diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig
index b0140c8fc733..de14d49a5c90 100644
--- a/drivers/acpi/apei/Kconfig
+++ b/drivers/acpi/apei/Kconfig
@@ -39,6 +39,21 @@ config ACPI_APEI_PCIEAER
PCIe AER errors may be reported via APEI firmware first mode.
Turn on this option to enable the corresponding support.
+config ACPI_APEI_SEA
+ bool "APEI Synchronous External Abort logging/recovering support"
+ depends on ARM64 && ACPI_APEI_GHES
+ default y
+ help
+ This option should be enabled if the system supports
+ firmware first handling of SEA (Synchronous External Abort).
+ SEA happens with certain faults of data abort or instruction
+ abort synchronous exceptions on ARMv8 systems. If a system
+ supports firmware first handling of SEA, the platform analyzes
+ and handles hardware error notifications from SEA, and it may then
+ form a HW error record for the OS to parse and handle. This
+ option allows the OS to look for such hardware error record, and
+ take appropriate action.
+
config ACPI_APEI_MEMORY_FAILURE
bool "APEI memory error recovering support"
depends on ACPI_APEI && MEMORY_FAILURE
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 0968816f5755..d661d452b238 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -45,10 +45,14 @@
#include <linux/aer.h>
#include <linux/nmi.h>
#include <linux/sched/clock.h>
+#include <linux/uuid.h>
+#include <linux/ras.h>
+#include <acpi/actbl1.h>
#include <acpi/ghes.h>
#include <acpi/apei.h>
#include <asm/tlbflush.h>
+#include <ras/ras_event.h>
#include "apei-internal.h"
@@ -80,6 +84,11 @@
((struct acpi_hest_generic_status *) \
((struct ghes_estatus_node *)(estatus_node) + 1))
+static inline bool is_hest_type_generic_v2(struct ghes *ghes)
+{
+ return ghes->generic->header.type == ACPI_HEST_TYPE_GENERIC_ERROR_V2;
+}
+
/*
* This driver isn't really modular, however for the time being,
* continuing to use module_param is the easiest way to remain
@@ -110,11 +119,7 @@ static DEFINE_MUTEX(ghes_list_mutex);
* Two virtual pages are used, one for IRQ/PROCESS context, the other for
* NMI context (optionally).
*/
-#ifdef CONFIG_HAVE_ACPI_APEI_NMI
#define GHES_IOREMAP_PAGES 2
-#else
-#define GHES_IOREMAP_PAGES 1
-#endif
#define GHES_IOREMAP_IRQ_PAGE(base) (base)
#define GHES_IOREMAP_NMI_PAGE(base) ((base) + PAGE_SIZE)
@@ -133,6 +138,8 @@ static unsigned long ghes_estatus_pool_size_request;
static struct ghes_estatus_cache *ghes_estatus_caches[GHES_ESTATUS_CACHES_SIZE];
static atomic_t ghes_estatus_cache_alloced;
+static int ghes_panic_timeout __read_mostly = 30;
+
static int ghes_ioremap_init(void)
{
ghes_ioremap_area = __get_vm_area(PAGE_SIZE * GHES_IOREMAP_PAGES,
@@ -153,10 +160,14 @@ static void ghes_ioremap_exit(void)
static void __iomem *ghes_ioremap_pfn_nmi(u64 pfn)
{
unsigned long vaddr;
+ phys_addr_t paddr;
+ pgprot_t prot;
vaddr = (unsigned long)GHES_IOREMAP_NMI_PAGE(ghes_ioremap_area->addr);
- ioremap_page_range(vaddr, vaddr + PAGE_SIZE,
- pfn << PAGE_SHIFT, PAGE_KERNEL);
+
+ paddr = pfn << PAGE_SHIFT;
+ prot = arch_apei_get_mem_attribute(paddr);
+ ioremap_page_range(vaddr, vaddr + PAGE_SIZE, paddr, prot);
return (void __iomem *)vaddr;
}
@@ -240,6 +251,16 @@ static int ghes_estatus_pool_expand(unsigned long len)
return 0;
}
+static int map_gen_v2(struct ghes *ghes)
+{
+ return apei_map_generic_address(&ghes->generic_v2->read_ack_register);
+}
+
+static void unmap_gen_v2(struct ghes *ghes)
+{
+ apei_unmap_generic_address(&ghes->generic_v2->read_ack_register);
+}
+
static struct ghes *ghes_new(struct acpi_hest_generic *generic)
{
struct ghes *ghes;
@@ -249,10 +270,17 @@ static struct ghes *ghes_new(struct acpi_hest_generic *generic)
ghes = kzalloc(sizeof(*ghes), GFP_KERNEL);
if (!ghes)
return ERR_PTR(-ENOMEM);
+
ghes->generic = generic;
+ if (is_hest_type_generic_v2(ghes)) {
+ rc = map_gen_v2(ghes);
+ if (rc)
+ goto err_free;
+ }
+
rc = apei_map_generic_address(&generic->error_status_address);
if (rc)
- goto err_free;
+ goto err_unmap_read_ack_addr;
error_block_length = generic->error_block_length;
if (error_block_length > GHES_ESTATUS_MAX_SIZE) {
pr_warning(FW_WARN GHES_PFX
@@ -264,13 +292,16 @@ static struct ghes *ghes_new(struct acpi_hest_generic *generic)
ghes->estatus = kmalloc(error_block_length, GFP_KERNEL);
if (!ghes->estatus) {
rc = -ENOMEM;
- goto err_unmap;
+ goto err_unmap_status_addr;
}
return ghes;
-err_unmap:
+err_unmap_status_addr:
apei_unmap_generic_address(&generic->error_status_address);
+err_unmap_read_ack_addr:
+ if (is_hest_type_generic_v2(ghes))
+ unmap_gen_v2(ghes);
err_free:
kfree(ghes);
return ERR_PTR(rc);
@@ -280,6 +311,8 @@ static void ghes_fini(struct ghes *ghes)
{
kfree(ghes->estatus);
apei_unmap_generic_address(&ghes->generic->error_status_address);
+ if (is_hest_type_generic_v2(ghes))
+ unmap_gen_v2(ghes);
}
static inline int ghes_severity(int severity)
@@ -400,8 +433,7 @@ static void ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata, int
unsigned long pfn;
int flags = -1;
int sec_sev = ghes_severity(gdata->error_severity);
- struct cper_sec_mem_err *mem_err;
- mem_err = (struct cper_sec_mem_err *)(gdata + 1);
+ struct cper_sec_mem_err *mem_err = acpi_hest_get_payload(gdata);
if (!(mem_err->validation_bits & CPER_MEM_VALID_PA))
return;
@@ -432,14 +464,22 @@ static void ghes_do_proc(struct ghes *ghes,
int sev, sec_sev;
struct acpi_hest_generic_data *gdata;
guid_t *sec_type;
+ guid_t *fru_id = &NULL_UUID_LE;
+ char *fru_text = "";
sev = ghes_severity(estatus->error_severity);
apei_estatus_for_each_section(estatus, gdata) {
sec_type = (guid_t *)gdata->section_type;
sec_sev = ghes_severity(gdata->error_severity);
+ if (gdata->validation_bits & CPER_SEC_VALID_FRU_ID)
+ fru_id = (guid_t *)gdata->fru_id;
+
+ if (gdata->validation_bits & CPER_SEC_VALID_FRU_TEXT)
+ fru_text = gdata->fru_text;
+
if (guid_equal(sec_type, &CPER_SEC_PLATFORM_MEM)) {
- struct cper_sec_mem_err *mem_err;
- mem_err = (struct cper_sec_mem_err *)(gdata+1);
+ struct cper_sec_mem_err *mem_err = acpi_hest_get_payload(gdata);
+
ghes_edac_report_mem_error(ghes, sev, mem_err);
arch_apei_report_mem_error(sev, mem_err);
@@ -447,8 +487,8 @@ static void ghes_do_proc(struct ghes *ghes,
}
#ifdef CONFIG_ACPI_APEI_PCIEAER
else if (guid_equal(sec_type, &CPER_SEC_PCIE)) {
- struct cper_sec_pcie *pcie_err;
- pcie_err = (struct cper_sec_pcie *)(gdata+1);
+ struct cper_sec_pcie *pcie_err = acpi_hest_get_payload(gdata);
+
if (sev == GHES_SEV_RECOVERABLE &&
sec_sev == GHES_SEV_RECOVERABLE &&
pcie_err->validation_bits & CPER_PCIE_VALID_DEVICE_ID &&
@@ -477,6 +517,17 @@ static void ghes_do_proc(struct ghes *ghes,
}
#endif
+ else if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) {
+ struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata);
+
+ log_arm_hw_error(err);
+ } else {
+ void *err = acpi_hest_get_payload(gdata);
+
+ log_non_standard_event(sec_type, fru_id, fru_text,
+ sec_sev, err,
+ gdata->error_data_length);
+ }
}
}
@@ -649,6 +700,31 @@ static void ghes_estatus_cache_add(
rcu_read_unlock();
}
+static int ghes_ack_error(struct acpi_hest_generic_v2 *gv2)
+{
+ int rc;
+ u64 val = 0;
+
+ rc = apei_read(&val, &gv2->read_ack_register);
+ if (rc)
+ return rc;
+
+ val &= gv2->read_ack_preserve << gv2->read_ack_register.bit_offset;
+ val |= gv2->read_ack_write << gv2->read_ack_register.bit_offset;
+
+ return apei_write(val, &gv2->read_ack_register);
+}
+
+static void __ghes_panic(struct ghes *ghes)
+{
+ __ghes_print_estatus(KERN_EMERG, ghes->generic, ghes->estatus);
+
+ /* reboot to log the error! */
+ if (!panic_timeout)
+ panic_timeout = ghes_panic_timeout;
+ panic("Fatal hardware error!");
+}
+
static int ghes_proc(struct ghes *ghes)
{
int rc;
@@ -656,11 +732,26 @@ static int ghes_proc(struct ghes *ghes)
rc = ghes_read_estatus(ghes, 0);
if (rc)
goto out;
+
+ if (ghes_severity(ghes->estatus->error_severity) >= GHES_SEV_PANIC) {
+ __ghes_panic(ghes);
+ }
+
if (!ghes_estatus_cached(ghes->estatus)) {
if (ghes_print_estatus(NULL, ghes->generic, ghes->estatus))
ghes_estatus_cache_add(ghes->generic, ghes->estatus);
}
ghes_do_proc(ghes, ghes->estatus);
+
+ /*
+ * GHESv2 type HEST entries introduce support for error acknowledgment,
+ * so only acknowledge the error if this support is present.
+ */
+ if (is_hest_type_generic_v2(ghes)) {
+ rc = ghes_ack_error(ghes->generic_v2);
+ if (rc)
+ return rc;
+ }
out:
ghes_clear_estatus(ghes);
return rc;
@@ -722,6 +813,55 @@ static struct notifier_block ghes_notifier_hed = {
.notifier_call = ghes_notify_hed,
};
+#ifdef CONFIG_ACPI_APEI_SEA
+static LIST_HEAD(ghes_sea);
+
+/*
+ * Return 0 only if one of the SEA error sources successfully reported an error
+ * record sent from the firmware.
+ */
+int ghes_notify_sea(void)
+{
+ struct ghes *ghes;
+ int ret = -ENOENT;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(ghes, &ghes_sea, list) {
+ if (!ghes_proc(ghes))
+ ret = 0;
+ }
+ rcu_read_unlock();
+ return ret;
+}
+
+static void ghes_sea_add(struct ghes *ghes)
+{
+ mutex_lock(&ghes_list_mutex);
+ list_add_rcu(&ghes->list, &ghes_sea);
+ mutex_unlock(&ghes_list_mutex);
+}
+
+static void ghes_sea_remove(struct ghes *ghes)
+{
+ mutex_lock(&ghes_list_mutex);
+ list_del_rcu(&ghes->list);
+ mutex_unlock(&ghes_list_mutex);
+ synchronize_rcu();
+}
+#else /* CONFIG_ACPI_APEI_SEA */
+static inline void ghes_sea_add(struct ghes *ghes)
+{
+ pr_err(GHES_PFX "ID: %d, trying to add SEA notification which is not supported\n",
+ ghes->generic->header.source_id);
+}
+
+static inline void ghes_sea_remove(struct ghes *ghes)
+{
+ pr_err(GHES_PFX "ID: %d, trying to remove SEA notification which is not supported\n",
+ ghes->generic->header.source_id);
+}
+#endif /* CONFIG_ACPI_APEI_SEA */
+
#ifdef CONFIG_HAVE_ACPI_APEI_NMI
/*
* printk is not safe in NMI context. So in NMI handler, we allocate
@@ -742,8 +882,6 @@ static atomic_t ghes_in_nmi = ATOMIC_INIT(0);
static LIST_HEAD(ghes_nmi);
-static int ghes_panic_timeout __read_mostly = 30;
-
static void ghes_proc_in_irq(struct irq_work *irq_work)
{
struct llist_node *llnode, *next;
@@ -829,18 +967,6 @@ static void __process_error(struct ghes *ghes)
#endif
}
-static void __ghes_panic(struct ghes *ghes)
-{
- oops_begin();
- ghes_print_queued_estatus();
- __ghes_print_estatus(KERN_EMERG, ghes->generic, ghes->estatus);
-
- /* reboot to log the error! */
- if (panic_timeout == 0)
- panic_timeout = ghes_panic_timeout;
- panic("Fatal hardware error!");
-}
-
static int ghes_notify_nmi(unsigned int cmd, struct pt_regs *regs)
{
struct ghes *ghes;
@@ -858,8 +984,11 @@ static int ghes_notify_nmi(unsigned int cmd, struct pt_regs *regs)
}
sev = ghes_severity(ghes->estatus->error_severity);
- if (sev >= GHES_SEV_PANIC)
+ if (sev >= GHES_SEV_PANIC) {
+ oops_begin();
+ ghes_print_queued_estatus();
__ghes_panic(ghes);
+ }
if (!(ghes->flags & GHES_TO_CLEAR))
continue;
@@ -970,6 +1099,14 @@ static int ghes_probe(struct platform_device *ghes_dev)
case ACPI_HEST_NOTIFY_GPIO:
break;
+ case ACPI_HEST_NOTIFY_SEA:
+ if (!IS_ENABLED(CONFIG_ACPI_APEI_SEA)) {
+ pr_warn(GHES_PFX "Generic hardware error source: %d notified via SEA is not supported\n",
+ generic->header.source_id);
+ rc = -ENOTSUPP;
+ goto err;
+ }
+ break;
case ACPI_HEST_NOTIFY_NMI:
if (!IS_ENABLED(CONFIG_HAVE_ACPI_APEI_NMI)) {
pr_warn(GHES_PFX "Generic hardware error source: %d notified via NMI interrupt is not supported!\n",
@@ -1038,6 +1175,9 @@ static int ghes_probe(struct platform_device *ghes_dev)
mutex_unlock(&ghes_list_mutex);
break;
+ case ACPI_HEST_NOTIFY_SEA:
+ ghes_sea_add(ghes);
+ break;
case ACPI_HEST_NOTIFY_NMI:
ghes_nmi_add(ghes);
break;
@@ -1046,6 +1186,9 @@ static int ghes_probe(struct platform_device *ghes_dev)
}
platform_set_drvdata(ghes_dev, ghes);
+ /* Handle any pending errors right away */
+ ghes_proc(ghes);
+
return 0;
err_edac_unreg:
ghes_edac_unregister(ghes);
@@ -1085,6 +1228,9 @@ static int ghes_remove(struct platform_device *ghes_dev)
synchronize_rcu();
break;
+ case ACPI_HEST_NOTIFY_SEA:
+ ghes_sea_remove(ghes);
+ break;
case ACPI_HEST_NOTIFY_NMI:
ghes_nmi_remove(ghes);
break;
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index 8f2a98e23bba..456b488eb1df 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -52,6 +52,7 @@ static const int hest_esrc_len_tab[ACPI_HEST_TYPE_RESERVED] = {
[ACPI_HEST_TYPE_AER_ENDPOINT] = sizeof(struct acpi_hest_aer),
[ACPI_HEST_TYPE_AER_BRIDGE] = sizeof(struct acpi_hest_aer_bridge),
[ACPI_HEST_TYPE_GENERIC_ERROR] = sizeof(struct acpi_hest_generic),
+ [ACPI_HEST_TYPE_GENERIC_ERROR_V2] = sizeof(struct acpi_hest_generic_v2),
};
static int hest_esrc_len(struct acpi_hest_header *hest_hdr)
@@ -141,7 +142,8 @@ static int __init hest_parse_ghes_count(struct acpi_hest_header *hest_hdr, void
{
int *count = data;
- if (hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR)
+ if (hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR ||
+ hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR_V2)
(*count)++;
return 0;
}
@@ -152,7 +154,8 @@ static int __init hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
struct ghes_arr *ghes_arr = data;
int rc, i;
- if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR)
+ if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR &&
+ hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR_V2)
return 0;
if (!((struct acpi_hest_generic *)hest_hdr)->enabled)
diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index 797b28dc7b34..d048f72c23f8 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -234,21 +234,6 @@ static struct acpi_iort_node *iort_scan_node(enum acpi_iort_node_type type,
return NULL;
}
-static acpi_status
-iort_match_type_callback(struct acpi_iort_node *node, void *context)
-{
- return AE_OK;
-}
-
-bool iort_node_match(u8 type)
-{
- struct acpi_iort_node *node;
-
- node = iort_scan_node(type, iort_match_type_callback, NULL);
-
- return node != NULL;
-}
-
static acpi_status iort_match_node_callback(struct acpi_iort_node *node,
void *context)
{
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 2af70014ee5a..ccd239ab879f 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -17,6 +17,8 @@ config DEVMEM
config DEVKMEM
bool "/dev/kmem virtual device support"
+ # On arm64, VMALLOC_START < PAGE_OFFSET, which confuses kmem read/write
+ depends on !ARM64
help
Say Y here if you want to support the /dev/kmem device. The
/dev/kmem device is rarely used, but can be used for certain
diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c
index d42537425438..48a8f69da42a 100644
--- a/drivers/firmware/efi/cper.c
+++ b/drivers/firmware/efi/cper.c
@@ -32,6 +32,10 @@
#include <linux/acpi.h>
#include <linux/pci.h>
#include <linux/aer.h>
+#include <linux/printk.h>
+#include <linux/bcd.h>
+#include <acpi/ghes.h>
+#include <ras/ras_event.h>
#define INDENT_SP " "
@@ -107,12 +111,15 @@ void cper_print_bits(const char *pfx, unsigned int bits,
static const char * const proc_type_strs[] = {
"IA32/X64",
"IA64",
+ "ARM",
};
static const char * const proc_isa_strs[] = {
"IA32",
"IA64",
"X64",
+ "ARM A32/T32",
+ "ARM A64",
};
static const char * const proc_error_type_strs[] = {
@@ -181,6 +188,122 @@ static void cper_print_proc_generic(const char *pfx,
printk("%s""IP: 0x%016llx\n", pfx, proc->ip);
}
+#if defined(CONFIG_ARM64) || defined(CONFIG_ARM)
+static const char * const arm_reg_ctx_strs[] = {
+ "AArch32 general purpose registers",
+ "AArch32 EL1 context registers",
+ "AArch32 EL2 context registers",
+ "AArch32 secure context registers",
+ "AArch64 general purpose registers",
+ "AArch64 EL1 context registers",
+ "AArch64 EL2 context registers",
+ "AArch64 EL3 context registers",
+ "Misc. system register structure",
+};
+
+static void cper_print_proc_arm(const char *pfx,
+ const struct cper_sec_proc_arm *proc)
+{
+ int i, len, max_ctx_type;
+ struct cper_arm_err_info *err_info;
+ struct cper_arm_ctx_info *ctx_info;
+ char newpfx[64];
+
+ printk("%sMIDR: 0x%016llx\n", pfx, proc->midr);
+
+ len = proc->section_length - (sizeof(*proc) +
+ proc->err_info_num * (sizeof(*err_info)));
+ if (len < 0) {
+ printk("%ssection length: %d\n", pfx, proc->section_length);
+ printk("%ssection length is too small\n", pfx);
+ printk("%sfirmware-generated error record is incorrect\n", pfx);
+ printk("%sERR_INFO_NUM is %d\n", pfx, proc->err_info_num);
+ return;
+ }
+
+ if (proc->validation_bits & CPER_ARM_VALID_MPIDR)
+ printk("%sMultiprocessor Affinity Register (MPIDR): 0x%016llx\n",
+ pfx, proc->mpidr);
+
+ if (proc->validation_bits & CPER_ARM_VALID_AFFINITY_LEVEL)
+ printk("%serror affinity level: %d\n", pfx,
+ proc->affinity_level);
+
+ if (proc->validation_bits & CPER_ARM_VALID_RUNNING_STATE) {
+ printk("%srunning state: 0x%x\n", pfx, proc->running_state);
+ printk("%sPower State Coordination Interface state: %d\n",
+ pfx, proc->psci_state);
+ }
+
+ snprintf(newpfx, sizeof(newpfx), "%s%s", pfx, INDENT_SP);
+
+ err_info = (struct cper_arm_err_info *)(proc + 1);
+ for (i = 0; i < proc->err_info_num; i++) {
+ printk("%sError info structure %d:\n", pfx, i);
+
+ printk("%snum errors: %d\n", pfx, err_info->multiple_error + 1);
+
+ if (err_info->validation_bits & CPER_ARM_INFO_VALID_FLAGS) {
+ if (err_info->flags & CPER_ARM_INFO_FLAGS_FIRST)
+ printk("%sfirst error captured\n", newpfx);
+ if (err_info->flags & CPER_ARM_INFO_FLAGS_LAST)
+ printk("%slast error captured\n", newpfx);
+ if (err_info->flags & CPER_ARM_INFO_FLAGS_PROPAGATED)
+ printk("%spropagated error captured\n",
+ newpfx);
+ if (err_info->flags & CPER_ARM_INFO_FLAGS_OVERFLOW)
+ printk("%soverflow occurred, error info is incomplete\n",
+ newpfx);
+ }
+
+ printk("%serror_type: %d, %s\n", newpfx, err_info->type,
+ err_info->type < ARRAY_SIZE(proc_error_type_strs) ?
+ proc_error_type_strs[err_info->type] : "unknown");
+ if (err_info->validation_bits & CPER_ARM_INFO_VALID_ERR_INFO)
+ printk("%serror_info: 0x%016llx\n", newpfx,
+ err_info->error_info);
+ if (err_info->validation_bits & CPER_ARM_INFO_VALID_VIRT_ADDR)
+ printk("%svirtual fault address: 0x%016llx\n",
+ newpfx, err_info->virt_fault_addr);
+ if (err_info->validation_bits & CPER_ARM_INFO_VALID_PHYSICAL_ADDR)
+ printk("%sphysical fault address: 0x%016llx\n",
+ newpfx, err_info->physical_fault_addr);
+ err_info += 1;
+ }
+
+ ctx_info = (struct cper_arm_ctx_info *)err_info;
+ max_ctx_type = ARRAY_SIZE(arm_reg_ctx_strs) - 1;
+ for (i = 0; i < proc->context_info_num; i++) {
+ int size = sizeof(*ctx_info) + ctx_info->size;
+
+ printk("%sContext info structure %d:\n", pfx, i);
+ if (len < size) {
+ printk("%ssection length is too small\n", newpfx);
+ printk("%sfirmware-generated error record is incorrect\n", pfx);
+ return;
+ }
+ if (ctx_info->type > max_ctx_type) {
+ printk("%sInvalid context type: %d (max: %d)\n",
+ newpfx, ctx_info->type, max_ctx_type);
+ return;
+ }
+ printk("%sregister context type: %s\n", newpfx,
+ arm_reg_ctx_strs[ctx_info->type]);
+ print_hex_dump(newpfx, "", DUMP_PREFIX_OFFSET, 16, 4,
+ (ctx_info + 1), ctx_info->size, 0);
+ len -= size;
+ ctx_info = (struct cper_arm_ctx_info *)((long)ctx_info + size);
+ }
+
+ if (len > 0) {
+ printk("%sVendor specific error info has %u bytes:\n", pfx,
+ len);
+ print_hex_dump(newpfx, "", DUMP_PREFIX_OFFSET, 16, 4, ctx_info,
+ len, true);
+ }
+}
+#endif
+
static const char * const mem_err_type_strs[] = {
"unknown",
"no error",
@@ -386,13 +509,38 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
pfx, pcie->bridge.secondary_status, pcie->bridge.control);
}
-static void cper_estatus_print_section(
- const char *pfx, const struct acpi_hest_generic_data *gdata, int sec_no)
+static void cper_print_tstamp(const char *pfx,
+ struct acpi_hest_generic_data_v300 *gdata)
+{
+ __u8 hour, min, sec, day, mon, year, century, *timestamp;
+
+ if (gdata->validation_bits & ACPI_HEST_GEN_VALID_TIMESTAMP) {
+ timestamp = (__u8 *)&(gdata->time_stamp);
+ sec = bcd2bin(timestamp[0]);
+ min = bcd2bin(timestamp[1]);
+ hour = bcd2bin(timestamp[2]);
+ day = bcd2bin(timestamp[4]);
+ mon = bcd2bin(timestamp[5]);
+ year = bcd2bin(timestamp[6]);
+ century = bcd2bin(timestamp[7]);
+
+ printk("%s%ststamp: %02d%02d-%02d-%02d %02d:%02d:%02d\n", pfx,
+ (timestamp[3] & 0x1 ? "precise " : "imprecise "),
+ century, year, mon, day, hour, min, sec);
+ }
+}
+
+static void
+cper_estatus_print_section(const char *pfx, struct acpi_hest_generic_data *gdata,
+ int sec_no)
{
uuid_le *sec_type = (uuid_le *)gdata->section_type;
__u16 severity;
char newpfx[64];
+ if (acpi_hest_get_version(gdata) >= 3)
+ cper_print_tstamp(pfx, (struct acpi_hest_generic_data_v300 *)gdata);
+
severity = gdata->error_severity;
printk("%s""Error %d, type: %s\n", pfx, sec_no,
cper_severity_str(severity));
@@ -403,14 +551,16 @@ static void cper_estatus_print_section(
snprintf(newpfx, sizeof(newpfx), "%s%s", pfx, INDENT_SP);
if (!uuid_le_cmp(*sec_type, CPER_SEC_PROC_GENERIC)) {
- struct cper_sec_proc_generic *proc_err = (void *)(gdata + 1);
+ struct cper_sec_proc_generic *proc_err = acpi_hest_get_payload(gdata);
+
printk("%s""section_type: general processor error\n", newpfx);
if (gdata->error_data_length >= sizeof(*proc_err))
cper_print_proc_generic(newpfx, proc_err);
else
goto err_section_too_small;
} else if (!uuid_le_cmp(*sec_type, CPER_SEC_PLATFORM_MEM)) {
- struct cper_sec_mem_err *mem_err = (void *)(gdata + 1);
+ struct cper_sec_mem_err *mem_err = acpi_hest_get_payload(gdata);
+
printk("%s""section_type: memory error\n", newpfx);
if (gdata->error_data_length >=
sizeof(struct cper_sec_mem_err_old))
@@ -419,14 +569,32 @@ static void cper_estatus_print_section(
else
goto err_section_too_small;
} else if (!uuid_le_cmp(*sec_type, CPER_SEC_PCIE)) {
- struct cper_sec_pcie *pcie = (void *)(gdata + 1);
+ struct cper_sec_pcie *pcie = acpi_hest_get_payload(gdata);
+
printk("%s""section_type: PCIe error\n", newpfx);
if (gdata->error_data_length >= sizeof(*pcie))
cper_print_pcie(newpfx, pcie, gdata);
else
goto err_section_too_small;
- } else
- printk("%s""section type: unknown, %pUl\n", newpfx, sec_type);
+#if defined(CONFIG_ARM64) || defined(CONFIG_ARM)
+ } else if (!uuid_le_cmp(*sec_type, CPER_SEC_PROC_ARM)) {
+ struct cper_sec_proc_arm *arm_err = acpi_hest_get_payload(gdata);
+
+ printk("%ssection_type: ARM processor error\n", newpfx);
+ if (gdata->error_data_length >= sizeof(*arm_err))
+ cper_print_proc_arm(newpfx, arm_err);
+ else
+ goto err_section_too_small;
+#endif
+ } else {
+ const void *err = acpi_hest_get_payload(gdata);
+
+ printk("%ssection type: unknown, %pUl\n", newpfx, sec_type);
+ printk("%ssection length: %#x\n", newpfx,
+ gdata->error_data_length);
+ print_hex_dump(newpfx, "", DUMP_PREFIX_OFFSET, 16, 4, err,
+ gdata->error_data_length, true);
+ }
return;
@@ -438,7 +606,7 @@ void cper_estatus_print(const char *pfx,
const struct acpi_hest_generic_status *estatus)
{
struct acpi_hest_generic_data *gdata;
- unsigned int data_len, gedata_len;
+ unsigned int data_len;
int sec_no = 0;
char newpfx[64];
__u16 severity;
@@ -452,11 +620,11 @@ void cper_estatus_print(const char *pfx,
data_len = estatus->data_length;
gdata = (struct acpi_hest_generic_data *)(estatus + 1);
snprintf(newpfx, sizeof(newpfx), "%s%s", pfx, INDENT_SP);
- while (data_len >= sizeof(*gdata)) {
- gedata_len = gdata->error_data_length;
+
+ while (data_len >= acpi_hest_get_size(gdata)) {
cper_estatus_print_section(newpfx, gdata, sec_no);
- data_len -= gedata_len + sizeof(*gdata);
- gdata = (void *)(gdata + 1) + gedata_len;
+ data_len -= acpi_hest_get_record_size(gdata);
+ gdata = acpi_hest_get_next(gdata);
sec_no++;
}
}
@@ -486,12 +654,14 @@ int cper_estatus_check(const struct acpi_hest_generic_status *estatus)
return rc;
data_len = estatus->data_length;
gdata = (struct acpi_hest_generic_data *)(estatus + 1);
- while (data_len >= sizeof(*gdata)) {
- gedata_len = gdata->error_data_length;
- if (gedata_len > data_len - sizeof(*gdata))
+
+ while (data_len >= acpi_hest_get_size(gdata)) {
+ gedata_len = acpi_hest_get_error_length(gdata);
+ if (gedata_len > data_len - acpi_hest_get_size(gdata))
return -EINVAL;
- data_len -= gedata_len + sizeof(*gdata);
- gdata = (void *)(gdata + 1) + gedata_len;
+
+ data_len -= acpi_hest_get_record_size(gdata);
+ gdata = acpi_hest_get_next(gdata);
}
if (data_len)
return -EINVAL;
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 676232a94f9f..f1fd5f44d1d4 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -39,7 +39,6 @@ config ARM_GIC_V3_ITS
bool
depends on PCI
depends on PCI_MSI
- select ACPI_IORT if ACPI
config ARM_NVIC
bool
diff --git a/drivers/perf/Kconfig b/drivers/perf/Kconfig
index aa587edaf9ea..e5197ffb7422 100644
--- a/drivers/perf/Kconfig
+++ b/drivers/perf/Kconfig
@@ -3,9 +3,10 @@
#
menu "Performance monitor support"
+ depends on PERF_EVENTS
config ARM_PMU
- depends on PERF_EVENTS && (ARM || ARM64)
+ depends on ARM || ARM64
bool "ARM PMU framework"
default y
help
@@ -18,7 +19,7 @@ config ARM_PMU_ACPI
config QCOM_L2_PMU
bool "Qualcomm Technologies L2-cache PMU"
- depends on ARCH_QCOM && ARM64 && PERF_EVENTS && ACPI
+ depends on ARCH_QCOM && ARM64 && ACPI
help
Provides support for the L2 cache performance monitor unit (PMU)
in Qualcomm Technologies processors.
@@ -27,7 +28,7 @@ config QCOM_L2_PMU
config QCOM_L3_PMU
bool "Qualcomm Technologies L3-cache PMU"
- depends on ARCH_QCOM && ARM64 && PERF_EVENTS && ACPI
+ depends on ARCH_QCOM && ARM64 && ACPI
select QCOM_IRQ_COMBINER
help
Provides support for the L3 cache performance monitor unit (PMU)
@@ -36,7 +37,7 @@ config QCOM_L3_PMU
monitoring L3 cache events.
config XGENE_PMU
- depends on PERF_EVENTS && ARCH_XGENE
+ depends on ARCH_XGENE
bool "APM X-Gene SoC PMU"
default n
help
diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index 35b5289bc5da..e841282d690c 100644
--- a/drivers/perf/xgene_pmu.c
+++ b/drivers/perf/xgene_pmu.c
@@ -37,6 +37,8 @@
#define CSW_CSWCR 0x0000
#define CSW_CSWCR_DUALMCB_MASK BIT(0)
+#define CSW_CSWCR_MCB0_ROUTING(x) (((x) & 0x0C) >> 2)
+#define CSW_CSWCR_MCB1_ROUTING(x) (((x) & 0x30) >> 4)
#define MCBADDRMR 0x0000
#define MCBADDRMR_DUALMCU_MODE_MASK BIT(2)
@@ -50,8 +52,17 @@
#define PCPPMU_INT_L3C BIT(2)
#define PCPPMU_INT_IOB BIT(3)
+#define PCPPMU_V3_INTMASK 0x00FF33FF
+#define PCPPMU_V3_INTENMASK 0xFFFFFFFF
+#define PCPPMU_V3_INTCLRMASK 0xFF00CC00
+#define PCPPMU_V3_INT_MCU 0x000000FF
+#define PCPPMU_V3_INT_MCB 0x00000300
+#define PCPPMU_V3_INT_L3C 0x00FF0000
+#define PCPPMU_V3_INT_IOB 0x00003000
+
#define PMU_MAX_COUNTERS 4
-#define PMU_CNT_MAX_PERIOD 0x100000000ULL
+#define PMU_CNT_MAX_PERIOD 0xFFFFFFFFULL
+#define PMU_V3_CNT_MAX_PERIOD 0xFFFFFFFFFFFFFFFFULL
#define PMU_OVERFLOW_MASK 0xF
#define PMU_PMCR_E BIT(0)
#define PMU_PMCR_P BIT(1)
@@ -73,6 +84,10 @@
#define PMU_PMOVSR 0xC80
#define PMU_PMCR 0xE04
+/* PMU registers for V3 */
+#define PMU_PMOVSCLR 0xC80
+#define PMU_PMOVSSET 0xCC0
+
#define to_pmu_dev(p) container_of(p, struct xgene_pmu_dev, pmu)
#define GET_CNTR(ev) (ev->hw.idx)
#define GET_EVENTID(ev) (ev->hw.config & 0xFFULL)
@@ -96,14 +111,33 @@ struct xgene_pmu_dev {
struct perf_event *pmu_counter_event[PMU_MAX_COUNTERS];
};
+struct xgene_pmu_ops {
+ void (*mask_int)(struct xgene_pmu *pmu);
+ void (*unmask_int)(struct xgene_pmu *pmu);
+ u64 (*read_counter)(struct xgene_pmu_dev *pmu, int idx);
+ void (*write_counter)(struct xgene_pmu_dev *pmu, int idx, u64 val);
+ void (*write_evttype)(struct xgene_pmu_dev *pmu_dev, int idx, u32 val);
+ void (*write_agentmsk)(struct xgene_pmu_dev *pmu_dev, u32 val);
+ void (*write_agent1msk)(struct xgene_pmu_dev *pmu_dev, u32 val);
+ void (*enable_counter)(struct xgene_pmu_dev *pmu_dev, int idx);
+ void (*disable_counter)(struct xgene_pmu_dev *pmu_dev, int idx);
+ void (*enable_counter_int)(struct xgene_pmu_dev *pmu_dev, int idx);
+ void (*disable_counter_int)(struct xgene_pmu_dev *pmu_dev, int idx);
+ void (*reset_counters)(struct xgene_pmu_dev *pmu_dev);
+ void (*start_counters)(struct xgene_pmu_dev *pmu_dev);
+ void (*stop_counters)(struct xgene_pmu_dev *pmu_dev);
+};
+
struct xgene_pmu {
struct device *dev;
int version;
void __iomem *pcppmu_csr;
u32 mcb_active_mask;
u32 mc_active_mask;
+ u32 l3c_active_mask;
cpumask_t cpu;
raw_spinlock_t lock;
+ const struct xgene_pmu_ops *ops;
struct list_head l3cpmus;
struct list_head iobpmus;
struct list_head mcbpmus;
@@ -125,11 +159,13 @@ struct xgene_pmu_data {
enum xgene_pmu_version {
PCP_PMU_V1 = 1,
PCP_PMU_V2,
+ PCP_PMU_V3,
};
enum xgene_pmu_dev_type {
PMU_TYPE_L3C = 0,
PMU_TYPE_IOB,
+ PMU_TYPE_IOB_SLOW,
PMU_TYPE_MCB,
PMU_TYPE_MC,
};
@@ -195,6 +231,56 @@ static const struct attribute_group mc_pmu_format_attr_group = {
.attrs = mc_pmu_format_attrs,
};
+static struct attribute *l3c_pmu_v3_format_attrs[] = {
+ XGENE_PMU_FORMAT_ATTR(l3c_eventid, "config:0-39"),
+ NULL,
+};
+
+static struct attribute *iob_pmu_v3_format_attrs[] = {
+ XGENE_PMU_FORMAT_ATTR(iob_eventid, "config:0-47"),
+ NULL,
+};
+
+static struct attribute *iob_slow_pmu_v3_format_attrs[] = {
+ XGENE_PMU_FORMAT_ATTR(iob_slow_eventid, "config:0-16"),
+ NULL,
+};
+
+static struct attribute *mcb_pmu_v3_format_attrs[] = {
+ XGENE_PMU_FORMAT_ATTR(mcb_eventid, "config:0-35"),
+ NULL,
+};
+
+static struct attribute *mc_pmu_v3_format_attrs[] = {
+ XGENE_PMU_FORMAT_ATTR(mc_eventid, "config:0-44"),
+ NULL,
+};
+
+static const struct attribute_group l3c_pmu_v3_format_attr_group = {
+ .name = "format",
+ .attrs = l3c_pmu_v3_format_attrs,
+};
+
+static const struct attribute_group iob_pmu_v3_format_attr_group = {
+ .name = "format",
+ .attrs = iob_pmu_v3_format_attrs,
+};
+
+static const struct attribute_group iob_slow_pmu_v3_format_attr_group = {
+ .name = "format",
+ .attrs = iob_slow_pmu_v3_format_attrs,
+};
+
+static const struct attribute_group mcb_pmu_v3_format_attr_group = {
+ .name = "format",
+ .attrs = mcb_pmu_v3_format_attrs,
+};
+
+static const struct attribute_group mc_pmu_v3_format_attr_group = {
+ .name = "format",
+ .attrs = mc_pmu_v3_format_attrs,
+};
+
/*
* sysfs event attributes
*/
@@ -311,6 +397,219 @@ static const struct attribute_group mc_pmu_events_attr_group = {
.attrs = mc_pmu_events_attrs,
};
+static struct attribute *l3c_pmu_v3_events_attrs[] = {
+ XGENE_PMU_EVENT_ATTR(cycle-count, 0x00),
+ XGENE_PMU_EVENT_ATTR(read-hit, 0x01),
+ XGENE_PMU_EVENT_ATTR(read-miss, 0x02),
+ XGENE_PMU_EVENT_ATTR(index-flush-eviction, 0x03),
+ XGENE_PMU_EVENT_ATTR(write-caused-replacement, 0x04),
+ XGENE_PMU_EVENT_ATTR(write-not-caused-replacement, 0x05),
+ XGENE_PMU_EVENT_ATTR(clean-eviction, 0x06),
+ XGENE_PMU_EVENT_ATTR(dirty-eviction, 0x07),
+ XGENE_PMU_EVENT_ATTR(read, 0x08),
+ XGENE_PMU_EVENT_ATTR(write, 0x09),
+ XGENE_PMU_EVENT_ATTR(request, 0x0a),
+ XGENE_PMU_EVENT_ATTR(tq-bank-conflict-issue-stall, 0x0b),
+ XGENE_PMU_EVENT_ATTR(tq-full, 0x0c),
+ XGENE_PMU_EVENT_ATTR(ackq-full, 0x0d),
+ XGENE_PMU_EVENT_ATTR(wdb-full, 0x0e),
+ XGENE_PMU_EVENT_ATTR(odb-full, 0x10),
+ XGENE_PMU_EVENT_ATTR(wbq-full, 0x11),
+ XGENE_PMU_EVENT_ATTR(input-req-async-fifo-stall, 0x12),
+ XGENE_PMU_EVENT_ATTR(output-req-async-fifo-stall, 0x13),
+ XGENE_PMU_EVENT_ATTR(output-data-async-fifo-stall, 0x14),
+ XGENE_PMU_EVENT_ATTR(total-insertion, 0x15),
+ XGENE_PMU_EVENT_ATTR(sip-insertions-r-set, 0x16),
+ XGENE_PMU_EVENT_ATTR(sip-insertions-r-clear, 0x17),
+ XGENE_PMU_EVENT_ATTR(dip-insertions-r-set, 0x18),
+ XGENE_PMU_EVENT_ATTR(dip-insertions-r-clear, 0x19),
+ XGENE_PMU_EVENT_ATTR(dip-insertions-force-r-set, 0x1a),
+ XGENE_PMU_EVENT_ATTR(egression, 0x1b),
+ XGENE_PMU_EVENT_ATTR(replacement, 0x1c),
+ XGENE_PMU_EVENT_ATTR(old-replacement, 0x1d),
+ XGENE_PMU_EVENT_ATTR(young-replacement, 0x1e),
+ XGENE_PMU_EVENT_ATTR(r-set-replacement, 0x1f),
+ XGENE_PMU_EVENT_ATTR(r-clear-replacement, 0x20),
+ XGENE_PMU_EVENT_ATTR(old-r-replacement, 0x21),
+ XGENE_PMU_EVENT_ATTR(old-nr-replacement, 0x22),
+ XGENE_PMU_EVENT_ATTR(young-r-replacement, 0x23),
+ XGENE_PMU_EVENT_ATTR(young-nr-replacement, 0x24),
+ XGENE_PMU_EVENT_ATTR(bloomfilter-clearing, 0x25),
+ XGENE_PMU_EVENT_ATTR(generation-flip, 0x26),
+ XGENE_PMU_EVENT_ATTR(vcc-droop-detected, 0x27),
+ NULL,
+};
+
+static struct attribute *iob_fast_pmu_v3_events_attrs[] = {
+ XGENE_PMU_EVENT_ATTR(cycle-count, 0x00),
+ XGENE_PMU_EVENT_ATTR(pa-req-buf-alloc-all, 0x01),
+ XGENE_PMU_EVENT_ATTR(pa-req-buf-alloc-rd, 0x02),
+ XGENE_PMU_EVENT_ATTR(pa-req-buf-alloc-wr, 0x03),
+ XGENE_PMU_EVENT_ATTR(pa-all-cp-req, 0x04),
+ XGENE_PMU_EVENT_ATTR(pa-cp-blk-req, 0x05),
+ XGENE_PMU_EVENT_ATTR(pa-cp-ptl-req, 0x06),
+ XGENE_PMU_EVENT_ATTR(pa-cp-rd-req, 0x07),
+ XGENE_PMU_EVENT_ATTR(pa-cp-wr-req, 0x08),
+ XGENE_PMU_EVENT_ATTR(ba-all-req, 0x09),
+ XGENE_PMU_EVENT_ATTR(ba-rd-req, 0x0a),
+ XGENE_PMU_EVENT_ATTR(ba-wr-req, 0x0b),
+ XGENE_PMU_EVENT_ATTR(pa-rd-shared-req-issued, 0x10),
+ XGENE_PMU_EVENT_ATTR(pa-rd-exclusive-req-issued, 0x11),
+ XGENE_PMU_EVENT_ATTR(pa-wr-invalidate-req-issued-stashable, 0x12),
+ XGENE_PMU_EVENT_ATTR(pa-wr-invalidate-req-issued-nonstashable, 0x13),
+ XGENE_PMU_EVENT_ATTR(pa-wr-back-req-issued-stashable, 0x14),
+ XGENE_PMU_EVENT_ATTR(pa-wr-back-req-issued-nonstashable, 0x15),
+ XGENE_PMU_EVENT_ATTR(pa-ptl-wr-req, 0x16),
+ XGENE_PMU_EVENT_ATTR(pa-ptl-rd-req, 0x17),
+ XGENE_PMU_EVENT_ATTR(pa-wr-back-clean-data, 0x18),
+ XGENE_PMU_EVENT_ATTR(pa-wr-back-cancelled-on-SS, 0x1b),
+ XGENE_PMU_EVENT_ATTR(pa-barrier-occurrence, 0x1c),
+ XGENE_PMU_EVENT_ATTR(pa-barrier-cycles, 0x1d),
+ XGENE_PMU_EVENT_ATTR(pa-total-cp-snoops, 0x20),
+ XGENE_PMU_EVENT_ATTR(pa-rd-shared-snoop, 0x21),
+ XGENE_PMU_EVENT_ATTR(pa-rd-shared-snoop-hit, 0x22),
+ XGENE_PMU_EVENT_ATTR(pa-rd-exclusive-snoop, 0x23),
+ XGENE_PMU_EVENT_ATTR(pa-rd-exclusive-snoop-hit, 0x24),
+ XGENE_PMU_EVENT_ATTR(pa-rd-wr-invalid-snoop, 0x25),
+ XGENE_PMU_EVENT_ATTR(pa-rd-wr-invalid-snoop-hit, 0x26),
+ XGENE_PMU_EVENT_ATTR(pa-req-buffer-full, 0x28),
+ XGENE_PMU_EVENT_ATTR(cswlf-outbound-req-fifo-full, 0x29),
+ XGENE_PMU_EVENT_ATTR(cswlf-inbound-snoop-fifo-backpressure, 0x2a),
+ XGENE_PMU_EVENT_ATTR(cswlf-outbound-lack-fifo-full, 0x2b),
+ XGENE_PMU_EVENT_ATTR(cswlf-inbound-gack-fifo-backpressure, 0x2c),
+ XGENE_PMU_EVENT_ATTR(cswlf-outbound-data-fifo-full, 0x2d),
+ XGENE_PMU_EVENT_ATTR(cswlf-inbound-data-fifo-backpressure, 0x2e),
+ XGENE_PMU_EVENT_ATTR(cswlf-inbound-req-backpressure, 0x2f),
+ NULL,
+};
+
+static struct attribute *iob_slow_pmu_v3_events_attrs[] = {
+ XGENE_PMU_EVENT_ATTR(cycle-count, 0x00),
+ XGENE_PMU_EVENT_ATTR(pa-axi0-rd-req, 0x01),
+ XGENE_PMU_EVENT_ATTR(pa-axi0-wr-req, 0x02),
+ XGENE_PMU_EVENT_ATTR(pa-axi1-rd-req, 0x03),
+ XGENE_PMU_EVENT_ATTR(pa-axi1-wr-req, 0x04),
+ XGENE_PMU_EVENT_ATTR(ba-all-axi-req, 0x07),
+ XGENE_PMU_EVENT_ATTR(ba-axi-rd-req, 0x08),
+ XGENE_PMU_EVENT_ATTR(ba-axi-wr-req, 0x09),
+ XGENE_PMU_EVENT_ATTR(ba-free-list-empty, 0x10),
+ NULL,
+};
+
+static struct attribute *mcb_pmu_v3_events_attrs[] = {
+ XGENE_PMU_EVENT_ATTR(cycle-count, 0x00),
+ XGENE_PMU_EVENT_ATTR(req-receive, 0x01),
+ XGENE_PMU_EVENT_ATTR(rd-req-recv, 0x02),
+ XGENE_PMU_EVENT_ATTR(rd-req-recv-2, 0x03),
+ XGENE_PMU_EVENT_ATTR(wr-req-recv, 0x04),
+ XGENE_PMU_EVENT_ATTR(wr-req-recv-2, 0x05),
+ XGENE_PMU_EVENT_ATTR(rd-req-sent-to-mcu, 0x06),
+ XGENE_PMU_EVENT_ATTR(rd-req-sent-to-mcu-2, 0x07),
+ XGENE_PMU_EVENT_ATTR(rd-req-sent-to-spec-mcu, 0x08),
+ XGENE_PMU_EVENT_ATTR(rd-req-sent-to-spec-mcu-2, 0x09),
+ XGENE_PMU_EVENT_ATTR(glbl-ack-recv-for-rd-sent-to-spec-mcu, 0x0a),
+ XGENE_PMU_EVENT_ATTR(glbl-ack-go-recv-for-rd-sent-to-spec-mcu, 0x0b),
+ XGENE_PMU_EVENT_ATTR(glbl-ack-nogo-recv-for-rd-sent-to-spec-mcu, 0x0c),
+ XGENE_PMU_EVENT_ATTR(glbl-ack-go-recv-any-rd-req, 0x0d),
+ XGENE_PMU_EVENT_ATTR(glbl-ack-go-recv-any-rd-req-2, 0x0e),
+ XGENE_PMU_EVENT_ATTR(wr-req-sent-to-mcu, 0x0f),
+ XGENE_PMU_EVENT_ATTR(gack-recv, 0x10),
+ XGENE_PMU_EVENT_ATTR(rd-gack-recv, 0x11),
+ XGENE_PMU_EVENT_ATTR(wr-gack-recv, 0x12),
+ XGENE_PMU_EVENT_ATTR(cancel-rd-gack, 0x13),
+ XGENE_PMU_EVENT_ATTR(cancel-wr-gack, 0x14),
+ XGENE_PMU_EVENT_ATTR(mcb-csw-req-stall, 0x15),
+ XGENE_PMU_EVENT_ATTR(mcu-req-intf-blocked, 0x16),
+ XGENE_PMU_EVENT_ATTR(mcb-mcu-rd-intf-stall, 0x17),
+ XGENE_PMU_EVENT_ATTR(csw-rd-intf-blocked, 0x18),
+ XGENE_PMU_EVENT_ATTR(csw-local-ack-intf-blocked, 0x19),
+ XGENE_PMU_EVENT_ATTR(mcu-req-table-full, 0x1a),
+ XGENE_PMU_EVENT_ATTR(mcu-stat-table-full, 0x1b),
+ XGENE_PMU_EVENT_ATTR(mcu-wr-table-full, 0x1c),
+ XGENE_PMU_EVENT_ATTR(mcu-rdreceipt-resp, 0x1d),
+ XGENE_PMU_EVENT_ATTR(mcu-wrcomplete-resp, 0x1e),
+ XGENE_PMU_EVENT_ATTR(mcu-retryack-resp, 0x1f),
+ XGENE_PMU_EVENT_ATTR(mcu-pcrdgrant-resp, 0x20),
+ XGENE_PMU_EVENT_ATTR(mcu-req-from-lastload, 0x21),
+ XGENE_PMU_EVENT_ATTR(mcu-req-from-bypass, 0x22),
+ XGENE_PMU_EVENT_ATTR(volt-droop-detect, 0x23),
+ NULL,
+};
+
+static struct attribute *mc_pmu_v3_events_attrs[] = {
+ XGENE_PMU_EVENT_ATTR(cycle-count, 0x00),
+ XGENE_PMU_EVENT_ATTR(act-sent, 0x01),
+ XGENE_PMU_EVENT_ATTR(pre-sent, 0x02),
+ XGENE_PMU_EVENT_ATTR(rd-sent, 0x03),
+ XGENE_PMU_EVENT_ATTR(rda-sent, 0x04),
+ XGENE_PMU_EVENT_ATTR(wr-sent, 0x05),
+ XGENE_PMU_EVENT_ATTR(wra-sent, 0x06),
+ XGENE_PMU_EVENT_ATTR(pd-entry-vld, 0x07),
+ XGENE_PMU_EVENT_ATTR(sref-entry-vld, 0x08),
+ XGENE_PMU_EVENT_ATTR(prea-sent, 0x09),
+ XGENE_PMU_EVENT_ATTR(ref-sent, 0x0a),
+ XGENE_PMU_EVENT_ATTR(rd-rda-sent, 0x0b),
+ XGENE_PMU_EVENT_ATTR(wr-wra-sent, 0x0c),
+ XGENE_PMU_EVENT_ATTR(raw-hazard, 0x0d),
+ XGENE_PMU_EVENT_ATTR(war-hazard, 0x0e),
+ XGENE_PMU_EVENT_ATTR(waw-hazard, 0x0f),
+ XGENE_PMU_EVENT_ATTR(rar-hazard, 0x10),
+ XGENE_PMU_EVENT_ATTR(raw-war-waw-hazard, 0x11),
+ XGENE_PMU_EVENT_ATTR(hprd-lprd-wr-req-vld, 0x12),
+ XGENE_PMU_EVENT_ATTR(lprd-req-vld, 0x13),
+ XGENE_PMU_EVENT_ATTR(hprd-req-vld, 0x14),
+ XGENE_PMU_EVENT_ATTR(hprd-lprd-req-vld, 0x15),
+ XGENE_PMU_EVENT_ATTR(wr-req-vld, 0x16),
+ XGENE_PMU_EVENT_ATTR(partial-wr-req-vld, 0x17),
+ XGENE_PMU_EVENT_ATTR(rd-retry, 0x18),
+ XGENE_PMU_EVENT_ATTR(wr-retry, 0x19),
+ XGENE_PMU_EVENT_ATTR(retry-gnt, 0x1a),
+ XGENE_PMU_EVENT_ATTR(rank-change, 0x1b),
+ XGENE_PMU_EVENT_ATTR(dir-change, 0x1c),
+ XGENE_PMU_EVENT_ATTR(rank-dir-change, 0x1d),
+ XGENE_PMU_EVENT_ATTR(rank-active, 0x1e),
+ XGENE_PMU_EVENT_ATTR(rank-idle, 0x1f),
+ XGENE_PMU_EVENT_ATTR(rank-pd, 0x20),
+ XGENE_PMU_EVENT_ATTR(rank-sref, 0x21),
+ XGENE_PMU_EVENT_ATTR(queue-fill-gt-thresh, 0x22),
+ XGENE_PMU_EVENT_ATTR(queue-rds-gt-thresh, 0x23),
+ XGENE_PMU_EVENT_ATTR(queue-wrs-gt-thresh, 0x24),
+ XGENE_PMU_EVENT_ATTR(phy-updt-complt, 0x25),
+ XGENE_PMU_EVENT_ATTR(tz-fail, 0x26),
+ XGENE_PMU_EVENT_ATTR(dram-errc, 0x27),
+ XGENE_PMU_EVENT_ATTR(dram-errd, 0x28),
+ XGENE_PMU_EVENT_ATTR(rd-enq, 0x29),
+ XGENE_PMU_EVENT_ATTR(wr-enq, 0x2a),
+ XGENE_PMU_EVENT_ATTR(tmac-limit-reached, 0x2b),
+ XGENE_PMU_EVENT_ATTR(tmaw-tracker-full, 0x2c),
+ NULL,
+};
+
+static const struct attribute_group l3c_pmu_v3_events_attr_group = {
+ .name = "events",
+ .attrs = l3c_pmu_v3_events_attrs,
+};
+
+static const struct attribute_group iob_fast_pmu_v3_events_attr_group = {
+ .name = "events",
+ .attrs = iob_fast_pmu_v3_events_attrs,
+};
+
+static const struct attribute_group iob_slow_pmu_v3_events_attr_group = {
+ .name = "events",
+ .attrs = iob_slow_pmu_v3_events_attrs,
+};
+
+static const struct attribute_group mcb_pmu_v3_events_attr_group = {
+ .name = "events",
+ .attrs = mcb_pmu_v3_events_attrs,
+};
+
+static const struct attribute_group mc_pmu_v3_events_attr_group = {
+ .name = "events",
+ .attrs = mc_pmu_v3_events_attrs,
+};
+
/*
* sysfs cpumask attributes
*/
@@ -334,7 +633,7 @@ static const struct attribute_group pmu_cpumask_attr_group = {
};
/*
- * Per PMU device attribute groups
+ * Per PMU device attribute groups of PMU v1 and v2
*/
static const struct attribute_group *l3c_pmu_attr_groups[] = {
&l3c_pmu_format_attr_group,
@@ -364,6 +663,44 @@ static const struct attribute_group *mc_pmu_attr_groups[] = {
NULL
};
+/*
+ * Per PMU device attribute groups of PMU v3
+ */
+static const struct attribute_group *l3c_pmu_v3_attr_groups[] = {
+ &l3c_pmu_v3_format_attr_group,
+ &pmu_cpumask_attr_group,
+ &l3c_pmu_v3_events_attr_group,
+ NULL
+};
+
+static const struct attribute_group *iob_fast_pmu_v3_attr_groups[] = {
+ &iob_pmu_v3_format_attr_group,
+ &pmu_cpumask_attr_group,
+ &iob_fast_pmu_v3_events_attr_group,
+ NULL
+};
+
+static const struct attribute_group *iob_slow_pmu_v3_attr_groups[] = {
+ &iob_slow_pmu_v3_format_attr_group,
+ &pmu_cpumask_attr_group,
+ &iob_slow_pmu_v3_events_attr_group,
+ NULL
+};
+
+static const struct attribute_group *mcb_pmu_v3_attr_groups[] = {
+ &mcb_pmu_v3_format_attr_group,
+ &pmu_cpumask_attr_group,
+ &mcb_pmu_v3_events_attr_group,
+ NULL
+};
+
+static const struct attribute_group *mc_pmu_v3_attr_groups[] = {
+ &mc_pmu_v3_format_attr_group,
+ &pmu_cpumask_attr_group,
+ &mc_pmu_v3_events_attr_group,
+ NULL
+};
+
static int get_next_avail_cntr(struct xgene_pmu_dev *pmu_dev)
{
int cntr;
@@ -387,23 +724,67 @@ static inline void xgene_pmu_mask_int(struct xgene_pmu *xgene_pmu)
writel(PCPPMU_INTENMASK, xgene_pmu->pcppmu_csr + PCPPMU_INTMASK_REG);
}
+static inline void xgene_pmu_v3_mask_int(struct xgene_pmu *xgene_pmu)
+{
+ writel(PCPPMU_V3_INTENMASK, xgene_pmu->pcppmu_csr + PCPPMU_INTMASK_REG);
+}
+
static inline void xgene_pmu_unmask_int(struct xgene_pmu *xgene_pmu)
{
writel(PCPPMU_INTCLRMASK, xgene_pmu->pcppmu_csr + PCPPMU_INTMASK_REG);
}
-static inline u32 xgene_pmu_read_counter(struct xgene_pmu_dev *pmu_dev, int idx)
+static inline void xgene_pmu_v3_unmask_int(struct xgene_pmu *xgene_pmu)
+{
+ writel(PCPPMU_V3_INTCLRMASK,
+ xgene_pmu->pcppmu_csr + PCPPMU_INTMASK_REG);
+}
+
+static inline u64 xgene_pmu_read_counter32(struct xgene_pmu_dev *pmu_dev,
+ int idx)
{
return readl(pmu_dev->inf->csr + PMU_PMEVCNTR0 + (4 * idx));
}
+static inline u64 xgene_pmu_read_counter64(struct xgene_pmu_dev *pmu_dev,
+ int idx)
+{
+ u32 lo, hi;
+
+ /*
+ * v3 has 64-bit counter registers composed by 2 32-bit registers
+ * This can be a problem if the counter increases and carries
+ * out of bit [31] between 2 reads. The extra reads would help
+ * to prevent this issue.
+ */
+ do {
+ hi = xgene_pmu_read_counter32(pmu_dev, 2 * idx + 1);
+ lo = xgene_pmu_read_counter32(pmu_dev, 2 * idx);
+ } while (hi != xgene_pmu_read_counter32(pmu_dev, 2 * idx + 1));
+
+ return (((u64)hi << 32) | lo);
+}
+
static inline void
-xgene_pmu_write_counter(struct xgene_pmu_dev *pmu_dev, int idx, u32 val)
+xgene_pmu_write_counter32(struct xgene_pmu_dev *pmu_dev, int idx, u64 val)
{
writel(val, pmu_dev->inf->csr + PMU_PMEVCNTR0 + (4 * idx));
}
static inline void
+xgene_pmu_write_counter64(struct xgene_pmu_dev *pmu_dev, int idx, u64 val)
+{
+ u32 cnt_lo, cnt_hi;
+
+ cnt_hi = upper_32_bits(val);
+ cnt_lo = lower_32_bits(val);
+
+ /* v3 has 64-bit counter registers composed by 2 32-bit registers */
+ xgene_pmu_write_counter32(pmu_dev, 2 * idx, cnt_lo);
+ xgene_pmu_write_counter32(pmu_dev, 2 * idx + 1, cnt_hi);
+}
+
+static inline void
xgene_pmu_write_evttype(struct xgene_pmu_dev *pmu_dev, int idx, u32 val)
{
writel(val, pmu_dev->inf->csr + PMU_PMEVTYPER0 + (4 * idx));
@@ -416,12 +797,18 @@ xgene_pmu_write_agentmsk(struct xgene_pmu_dev *pmu_dev, u32 val)
}
static inline void
+xgene_pmu_v3_write_agentmsk(struct xgene_pmu_dev *pmu_dev, u32 val) { }
+
+static inline void
xgene_pmu_write_agent1msk(struct xgene_pmu_dev *pmu_dev, u32 val)
{
writel(val, pmu_dev->inf->csr + PMU_PMAMR1);
}
static inline void
+xgene_pmu_v3_write_agent1msk(struct xgene_pmu_dev *pmu_dev, u32 val) { }
+
+static inline void
xgene_pmu_enable_counter(struct xgene_pmu_dev *pmu_dev, int idx)
{
u32 val;
@@ -491,20 +878,22 @@ static inline void xgene_pmu_stop_counters(struct xgene_pmu_dev *pmu_dev)
static void xgene_perf_pmu_enable(struct pmu *pmu)
{
struct xgene_pmu_dev *pmu_dev = to_pmu_dev(pmu);
+ struct xgene_pmu *xgene_pmu = pmu_dev->parent;
int enabled = bitmap_weight(pmu_dev->cntr_assign_mask,
pmu_dev->max_counters);
if (!enabled)
return;
- xgene_pmu_start_counters(pmu_dev);
+ xgene_pmu->ops->start_counters(pmu_dev);
}
static void xgene_perf_pmu_disable(struct pmu *pmu)
{
struct xgene_pmu_dev *pmu_dev = to_pmu_dev(pmu);
+ struct xgene_pmu *xgene_pmu = pmu_dev->parent;
- xgene_pmu_stop_counters(pmu_dev);
+ xgene_pmu->ops->stop_counters(pmu_dev);
}
static int xgene_perf_event_init(struct perf_event *event)
@@ -572,49 +961,56 @@ static int xgene_perf_event_init(struct perf_event *event)
static void xgene_perf_enable_event(struct perf_event *event)
{
struct xgene_pmu_dev *pmu_dev = to_pmu_dev(event->pmu);
+ struct xgene_pmu *xgene_pmu = pmu_dev->parent;
- xgene_pmu_write_evttype(pmu_dev, GET_CNTR(event), GET_EVENTID(event));
- xgene_pmu_write_agentmsk(pmu_dev, ~((u32)GET_AGENTID(event)));
+ xgene_pmu->ops->write_evttype(pmu_dev, GET_CNTR(event),
+ GET_EVENTID(event));
+ xgene_pmu->ops->write_agentmsk(pmu_dev, ~((u32)GET_AGENTID(event)));
if (pmu_dev->inf->type == PMU_TYPE_IOB)
- xgene_pmu_write_agent1msk(pmu_dev, ~((u32)GET_AGENT1ID(event)));
+ xgene_pmu->ops->write_agent1msk(pmu_dev,
+ ~((u32)GET_AGENT1ID(event)));
- xgene_pmu_enable_counter(pmu_dev, GET_CNTR(event));
- xgene_pmu_enable_counter_int(pmu_dev, GET_CNTR(event));
+ xgene_pmu->ops->enable_counter(pmu_dev, GET_CNTR(event));
+ xgene_pmu->ops->enable_counter_int(pmu_dev, GET_CNTR(event));
}
static void xgene_perf_disable_event(struct perf_event *event)
{
struct xgene_pmu_dev *pmu_dev = to_pmu_dev(event->pmu);
+ struct xgene_pmu *xgene_pmu = pmu_dev->parent;
- xgene_pmu_disable_counter(pmu_dev, GET_CNTR(event));
- xgene_pmu_disable_counter_int(pmu_dev, GET_CNTR(event));
+ xgene_pmu->ops->disable_counter(pmu_dev, GET_CNTR(event));
+ xgene_pmu->ops->disable_counter_int(pmu_dev, GET_CNTR(event));
}
static void xgene_perf_event_set_period(struct perf_event *event)
{
struct xgene_pmu_dev *pmu_dev = to_pmu_dev(event->pmu);
+ struct xgene_pmu *xgene_pmu = pmu_dev->parent;
struct hw_perf_event *hw = &event->hw;
/*
- * The X-Gene PMU counters have a period of 2^32. To account for the
- * possiblity of extreme interrupt latency we program for a period of
- * half that. Hopefully we can handle the interrupt before another 2^31
+ * For 32 bit counter, it has a period of 2^32. To account for the
+ * possibility of extreme interrupt latency we program for a period of
+ * half that. Hopefully, we can handle the interrupt before another 2^31
* events occur and the counter overtakes its previous value.
+ * For 64 bit counter, we don't expect it overflow.
*/
u64 val = 1ULL << 31;
local64_set(&hw->prev_count, val);
- xgene_pmu_write_counter(pmu_dev, hw->idx, (u32) val);
+ xgene_pmu->ops->write_counter(pmu_dev, hw->idx, val);
}
static void xgene_perf_event_update(struct perf_event *event)
{
struct xgene_pmu_dev *pmu_dev = to_pmu_dev(event->pmu);
+ struct xgene_pmu *xgene_pmu = pmu_dev->parent;
struct hw_perf_event *hw = &event->hw;
u64 delta, prev_raw_count, new_raw_count;
again:
prev_raw_count = local64_read(&hw->prev_count);
- new_raw_count = xgene_pmu_read_counter(pmu_dev, GET_CNTR(event));
+ new_raw_count = xgene_pmu->ops->read_counter(pmu_dev, GET_CNTR(event));
if (local64_cmpxchg(&hw->prev_count, prev_raw_count,
new_raw_count) != prev_raw_count)
@@ -633,6 +1029,7 @@ static void xgene_perf_read(struct perf_event *event)
static void xgene_perf_start(struct perf_event *event, int flags)
{
struct xgene_pmu_dev *pmu_dev = to_pmu_dev(event->pmu);
+ struct xgene_pmu *xgene_pmu = pmu_dev->parent;
struct hw_perf_event *hw = &event->hw;
if (WARN_ON_ONCE(!(hw->state & PERF_HES_STOPPED)))
@@ -646,8 +1043,8 @@ static void xgene_perf_start(struct perf_event *event, int flags)
if (flags & PERF_EF_RELOAD) {
u64 prev_raw_count = local64_read(&hw->prev_count);
- xgene_pmu_write_counter(pmu_dev, GET_CNTR(event),
- (u32) prev_raw_count);
+ xgene_pmu->ops->write_counter(pmu_dev, GET_CNTR(event),
+ prev_raw_count);
}
xgene_perf_enable_event(event);
@@ -713,7 +1110,10 @@ static int xgene_init_perf(struct xgene_pmu_dev *pmu_dev, char *name)
{
struct xgene_pmu *xgene_pmu;
- pmu_dev->max_period = PMU_CNT_MAX_PERIOD - 1;
+ if (pmu_dev->parent->version == PCP_PMU_V3)
+ pmu_dev->max_period = PMU_V3_CNT_MAX_PERIOD;
+ else
+ pmu_dev->max_period = PMU_CNT_MAX_PERIOD;
/* First version PMU supports only single event counter */
xgene_pmu = pmu_dev->parent;
if (xgene_pmu->version == PCP_PMU_V1)
@@ -736,8 +1136,8 @@ static int xgene_init_perf(struct xgene_pmu_dev *pmu_dev, char *name)
};
/* Hardware counter init */
- xgene_pmu_stop_counters(pmu_dev);
- xgene_pmu_reset_counters(pmu_dev);
+ xgene_pmu->ops->stop_counters(pmu_dev);
+ xgene_pmu->ops->reset_counters(pmu_dev);
return perf_pmu_register(&pmu_dev->pmu, name, -1);
}
@@ -758,20 +1158,38 @@ xgene_pmu_dev_add(struct xgene_pmu *xgene_pmu, struct xgene_pmu_dev_ctx *ctx)
switch (pmu->inf->type) {
case PMU_TYPE_L3C:
- pmu->attr_groups = l3c_pmu_attr_groups;
+ if (!(xgene_pmu->l3c_active_mask & pmu->inf->enable_mask))
+ goto dev_err;
+ if (xgene_pmu->version == PCP_PMU_V3)
+ pmu->attr_groups = l3c_pmu_v3_attr_groups;
+ else
+ pmu->attr_groups = l3c_pmu_attr_groups;
break;
case PMU_TYPE_IOB:
- pmu->attr_groups = iob_pmu_attr_groups;
+ if (xgene_pmu->version == PCP_PMU_V3)
+ pmu->attr_groups = iob_fast_pmu_v3_attr_groups;
+ else
+ pmu->attr_groups = iob_pmu_attr_groups;
+ break;
+ case PMU_TYPE_IOB_SLOW:
+ if (xgene_pmu->version == PCP_PMU_V3)
+ pmu->attr_groups = iob_slow_pmu_v3_attr_groups;
break;
case PMU_TYPE_MCB:
if (!(xgene_pmu->mcb_active_mask & pmu->inf->enable_mask))
goto dev_err;
- pmu->attr_groups = mcb_pmu_attr_groups;
+ if (xgene_pmu->version == PCP_PMU_V3)
+ pmu->attr_groups = mcb_pmu_v3_attr_groups;
+ else
+ pmu->attr_groups = mcb_pmu_attr_groups;
break;
case PMU_TYPE_MC:
if (!(xgene_pmu->mc_active_mask & pmu->inf->enable_mask))
goto dev_err;
- pmu->attr_groups = mc_pmu_attr_groups;
+ if (xgene_pmu->version == PCP_PMU_V3)
+ pmu->attr_groups = mc_pmu_v3_attr_groups;
+ else
+ pmu->attr_groups = mc_pmu_attr_groups;
break;
default:
return -EINVAL;
@@ -795,18 +1213,27 @@ dev_err:
static void _xgene_pmu_isr(int irq, struct xgene_pmu_dev *pmu_dev)
{
struct xgene_pmu *xgene_pmu = pmu_dev->parent;
+ void __iomem *csr = pmu_dev->inf->csr;
u32 pmovsr;
int idx;
- pmovsr = readl(pmu_dev->inf->csr + PMU_PMOVSR) & PMU_OVERFLOW_MASK;
+ xgene_pmu->ops->stop_counters(pmu_dev);
+
+ if (xgene_pmu->version == PCP_PMU_V3)
+ pmovsr = readl(csr + PMU_PMOVSSET) & PMU_OVERFLOW_MASK;
+ else
+ pmovsr = readl(csr + PMU_PMOVSR) & PMU_OVERFLOW_MASK;
+
if (!pmovsr)
- return;
+ goto out;
/* Clear interrupt flag */
if (xgene_pmu->version == PCP_PMU_V1)
- writel(0x0, pmu_dev->inf->csr + PMU_PMOVSR);
+ writel(0x0, csr + PMU_PMOVSR);
+ else if (xgene_pmu->version == PCP_PMU_V2)
+ writel(pmovsr, csr + PMU_PMOVSR);
else
- writel(pmovsr, pmu_dev->inf->csr + PMU_PMOVSR);
+ writel(pmovsr, csr + PMU_PMOVSCLR);
for (idx = 0; idx < PMU_MAX_COUNTERS; idx++) {
struct perf_event *event = pmu_dev->pmu_counter_event[idx];
@@ -818,10 +1245,14 @@ static void _xgene_pmu_isr(int irq, struct xgene_pmu_dev *pmu_dev)
xgene_perf_event_update(event);
xgene_perf_event_set_period(event);
}
+
+out:
+ xgene_pmu->ops->start_counters(pmu_dev);
}
static irqreturn_t xgene_pmu_isr(int irq, void *dev_id)
{
+ u32 intr_mcu, intr_mcb, intr_l3c, intr_iob;
struct xgene_pmu_dev_ctx *ctx;
struct xgene_pmu *xgene_pmu = dev_id;
unsigned long flags;
@@ -831,22 +1262,33 @@ static irqreturn_t xgene_pmu_isr(int irq, void *dev_id)
/* Get Interrupt PMU source */
val = readl(xgene_pmu->pcppmu_csr + PCPPMU_INTSTATUS_REG);
- if (val & PCPPMU_INT_MCU) {
+ if (xgene_pmu->version == PCP_PMU_V3) {
+ intr_mcu = PCPPMU_V3_INT_MCU;
+ intr_mcb = PCPPMU_V3_INT_MCB;
+ intr_l3c = PCPPMU_V3_INT_L3C;
+ intr_iob = PCPPMU_V3_INT_IOB;
+ } else {
+ intr_mcu = PCPPMU_INT_MCU;
+ intr_mcb = PCPPMU_INT_MCB;
+ intr_l3c = PCPPMU_INT_L3C;
+ intr_iob = PCPPMU_INT_IOB;
+ }
+ if (val & intr_mcu) {
list_for_each_entry(ctx, &xgene_pmu->mcpmus, next) {
_xgene_pmu_isr(irq, ctx->pmu_dev);
}
}
- if (val & PCPPMU_INT_MCB) {
+ if (val & intr_mcb) {
list_for_each_entry(ctx, &xgene_pmu->mcbpmus, next) {
_xgene_pmu_isr(irq, ctx->pmu_dev);
}
}
- if (val & PCPPMU_INT_L3C) {
+ if (val & intr_l3c) {
list_for_each_entry(ctx, &xgene_pmu->l3cpmus, next) {
_xgene_pmu_isr(irq, ctx->pmu_dev);
}
}
- if (val & PCPPMU_INT_IOB) {
+ if (val & intr_iob) {
list_for_each_entry(ctx, &xgene_pmu->iobpmus, next) {
_xgene_pmu_isr(irq, ctx->pmu_dev);
}
@@ -857,8 +1299,8 @@ static irqreturn_t xgene_pmu_isr(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static int acpi_pmu_probe_active_mcb_mcu(struct xgene_pmu *xgene_pmu,
- struct platform_device *pdev)
+static int acpi_pmu_probe_active_mcb_mcu_l3c(struct xgene_pmu *xgene_pmu,
+ struct platform_device *pdev)
{
void __iomem *csw_csr, *mcba_csr, *mcbb_csr;
struct resource *res;
@@ -885,6 +1327,8 @@ static int acpi_pmu_probe_active_mcb_mcu(struct xgene_pmu *xgene_pmu,
return PTR_ERR(mcbb_csr);
}
+ xgene_pmu->l3c_active_mask = 0x1;
+
reg = readl(csw_csr + CSW_CSWCR);
if (reg & CSW_CSWCR_DUALMCB_MASK) {
/* Dual MCB active */
@@ -905,8 +1349,56 @@ static int acpi_pmu_probe_active_mcb_mcu(struct xgene_pmu *xgene_pmu,
return 0;
}
-static int fdt_pmu_probe_active_mcb_mcu(struct xgene_pmu *xgene_pmu,
- struct platform_device *pdev)
+static int acpi_pmu_v3_probe_active_mcb_mcu_l3c(struct xgene_pmu *xgene_pmu,
+ struct platform_device *pdev)
+{
+ void __iomem *csw_csr;
+ struct resource *res;
+ unsigned int reg;
+ u32 mcb0routing;
+ u32 mcb1routing;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ csw_csr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(csw_csr)) {
+ dev_err(&pdev->dev, "ioremap failed for CSW CSR resource\n");
+ return PTR_ERR(csw_csr);
+ }
+
+ reg = readl(csw_csr + CSW_CSWCR);
+ mcb0routing = CSW_CSWCR_MCB0_ROUTING(reg);
+ mcb1routing = CSW_CSWCR_MCB1_ROUTING(reg);
+ if (reg & CSW_CSWCR_DUALMCB_MASK) {
+ /* Dual MCB active */
+ xgene_pmu->mcb_active_mask = 0x3;
+ /* Probe all active L3C(s), maximum is 8 */
+ xgene_pmu->l3c_active_mask = 0xFF;
+ /* Probe all active MC(s), maximum is 8 */
+ if ((mcb0routing == 0x2) && (mcb1routing == 0x2))
+ xgene_pmu->mc_active_mask = 0xFF;
+ else if ((mcb0routing == 0x1) && (mcb1routing == 0x1))
+ xgene_pmu->mc_active_mask = 0x33;
+ else
+ xgene_pmu->mc_active_mask = 0x11;
+ } else {
+ /* Single MCB active */
+ xgene_pmu->mcb_active_mask = 0x1;
+ /* Probe all active L3C(s), maximum is 4 */
+ xgene_pmu->l3c_active_mask = 0x0F;
+ /* Probe all active MC(s), maximum is 4 */
+ if (mcb0routing == 0x2)
+ xgene_pmu->mc_active_mask = 0x0F;
+ else if (mcb0routing == 0x1)
+ xgene_pmu->mc_active_mask = 0x03;
+ else
+ xgene_pmu->mc_active_mask = 0x01;
+ }
+
+ return 0;
+}
+
+static int fdt_pmu_probe_active_mcb_mcu_l3c(struct xgene_pmu *xgene_pmu,
+ struct platform_device *pdev)
{
struct regmap *csw_map, *mcba_map, *mcbb_map;
struct device_node *np = pdev->dev.of_node;
@@ -930,6 +1422,7 @@ static int fdt_pmu_probe_active_mcb_mcu(struct xgene_pmu *xgene_pmu,
return PTR_ERR(mcbb_map);
}
+ xgene_pmu->l3c_active_mask = 0x1;
if (regmap_read(csw_map, CSW_CSWCR, &reg))
return -EINVAL;
@@ -954,12 +1447,18 @@ static int fdt_pmu_probe_active_mcb_mcu(struct xgene_pmu *xgene_pmu,
return 0;
}
-static int xgene_pmu_probe_active_mcb_mcu(struct xgene_pmu *xgene_pmu,
- struct platform_device *pdev)
+static int xgene_pmu_probe_active_mcb_mcu_l3c(struct xgene_pmu *xgene_pmu,
+ struct platform_device *pdev)
{
- if (has_acpi_companion(&pdev->dev))
- return acpi_pmu_probe_active_mcb_mcu(xgene_pmu, pdev);
- return fdt_pmu_probe_active_mcb_mcu(xgene_pmu, pdev);
+ if (has_acpi_companion(&pdev->dev)) {
+ if (xgene_pmu->version == PCP_PMU_V3)
+ return acpi_pmu_v3_probe_active_mcb_mcu_l3c(xgene_pmu,
+ pdev);
+ else
+ return acpi_pmu_probe_active_mcb_mcu_l3c(xgene_pmu,
+ pdev);
+ }
+ return fdt_pmu_probe_active_mcb_mcu_l3c(xgene_pmu, pdev);
}
static char *xgene_pmu_dev_name(struct device *dev, u32 type, int id)
@@ -969,6 +1468,8 @@ static char *xgene_pmu_dev_name(struct device *dev, u32 type, int id)
return devm_kasprintf(dev, GFP_KERNEL, "l3c%d", id);
case PMU_TYPE_IOB:
return devm_kasprintf(dev, GFP_KERNEL, "iob%d", id);
+ case PMU_TYPE_IOB_SLOW:
+ return devm_kasprintf(dev, GFP_KERNEL, "iob-slow%d", id);
case PMU_TYPE_MCB:
return devm_kasprintf(dev, GFP_KERNEL, "mcb%d", id);
case PMU_TYPE_MC:
@@ -1047,9 +1548,40 @@ err:
return NULL;
}
+static const struct acpi_device_id xgene_pmu_acpi_type_match[] = {
+ {"APMC0D5D", PMU_TYPE_L3C},
+ {"APMC0D5E", PMU_TYPE_IOB},
+ {"APMC0D5F", PMU_TYPE_MCB},
+ {"APMC0D60", PMU_TYPE_MC},
+ {"APMC0D84", PMU_TYPE_L3C},
+ {"APMC0D85", PMU_TYPE_IOB},
+ {"APMC0D86", PMU_TYPE_IOB_SLOW},
+ {"APMC0D87", PMU_TYPE_MCB},
+ {"APMC0D88", PMU_TYPE_MC},
+ {},
+};
+
+static const struct acpi_device_id *xgene_pmu_acpi_match_type(
+ const struct acpi_device_id *ids,
+ struct acpi_device *adev)
+{
+ const struct acpi_device_id *match_id = NULL;
+ const struct acpi_device_id *id;
+
+ for (id = ids; id->id[0] || id->cls; id++) {
+ if (!acpi_match_device_ids(adev, id))
+ match_id = id;
+ else if (match_id)
+ break;
+ }
+
+ return match_id;
+}
+
static acpi_status acpi_pmu_dev_add(acpi_handle handle, u32 level,
void *data, void **return_value)
{
+ const struct acpi_device_id *acpi_id;
struct xgene_pmu *xgene_pmu = data;
struct xgene_pmu_dev_ctx *ctx;
struct acpi_device *adev;
@@ -1059,17 +1591,11 @@ static acpi_status acpi_pmu_dev_add(acpi_handle handle, u32 level,
if (acpi_bus_get_status(adev) || !adev->status.present)
return AE_OK;
- if (!strcmp(acpi_device_hid(adev), "APMC0D5D"))
- ctx = acpi_get_pmu_hw_inf(xgene_pmu, adev, PMU_TYPE_L3C);
- else if (!strcmp(acpi_device_hid(adev), "APMC0D5E"))
- ctx = acpi_get_pmu_hw_inf(xgene_pmu, adev, PMU_TYPE_IOB);
- else if (!strcmp(acpi_device_hid(adev), "APMC0D5F"))
- ctx = acpi_get_pmu_hw_inf(xgene_pmu, adev, PMU_TYPE_MCB);
- else if (!strcmp(acpi_device_hid(adev), "APMC0D60"))
- ctx = acpi_get_pmu_hw_inf(xgene_pmu, adev, PMU_TYPE_MC);
- else
- ctx = NULL;
+ acpi_id = xgene_pmu_acpi_match_type(xgene_pmu_acpi_type_match, adev);
+ if (!acpi_id)
+ return AE_OK;
+ ctx = acpi_get_pmu_hw_inf(xgene_pmu, adev, (u32)acpi_id->driver_data);
if (!ctx)
return AE_OK;
@@ -1086,6 +1612,9 @@ static acpi_status acpi_pmu_dev_add(acpi_handle handle, u32 level,
case PMU_TYPE_IOB:
list_add(&ctx->next, &xgene_pmu->iobpmus);
break;
+ case PMU_TYPE_IOB_SLOW:
+ list_add(&ctx->next, &xgene_pmu->iobpmus);
+ break;
case PMU_TYPE_MCB:
list_add(&ctx->next, &xgene_pmu->mcbpmus);
break;
@@ -1207,6 +1736,9 @@ static int fdt_pmu_probe_pmu_dev(struct xgene_pmu *xgene_pmu,
case PMU_TYPE_IOB:
list_add(&ctx->next, &xgene_pmu->iobpmus);
break;
+ case PMU_TYPE_IOB_SLOW:
+ list_add(&ctx->next, &xgene_pmu->iobpmus);
+ break;
case PMU_TYPE_MCB:
list_add(&ctx->next, &xgene_pmu->mcbpmus);
break;
@@ -1235,6 +1767,40 @@ static const struct xgene_pmu_data xgene_pmu_v2_data = {
.id = PCP_PMU_V2,
};
+static const struct xgene_pmu_ops xgene_pmu_ops = {
+ .mask_int = xgene_pmu_mask_int,
+ .unmask_int = xgene_pmu_unmask_int,
+ .read_counter = xgene_pmu_read_counter32,
+ .write_counter = xgene_pmu_write_counter32,
+ .write_evttype = xgene_pmu_write_evttype,
+ .write_agentmsk = xgene_pmu_write_agentmsk,
+ .write_agent1msk = xgene_pmu_write_agent1msk,
+ .enable_counter = xgene_pmu_enable_counter,
+ .disable_counter = xgene_pmu_disable_counter,
+ .enable_counter_int = xgene_pmu_enable_counter_int,
+ .disable_counter_int = xgene_pmu_disable_counter_int,
+ .reset_counters = xgene_pmu_reset_counters,
+ .start_counters = xgene_pmu_start_counters,
+ .stop_counters = xgene_pmu_stop_counters,
+};
+
+static const struct xgene_pmu_ops xgene_pmu_v3_ops = {
+ .mask_int = xgene_pmu_v3_mask_int,
+ .unmask_int = xgene_pmu_v3_unmask_int,
+ .read_counter = xgene_pmu_read_counter64,
+ .write_counter = xgene_pmu_write_counter64,
+ .write_evttype = xgene_pmu_write_evttype,
+ .write_agentmsk = xgene_pmu_v3_write_agentmsk,
+ .write_agent1msk = xgene_pmu_v3_write_agent1msk,
+ .enable_counter = xgene_pmu_enable_counter,
+ .disable_counter = xgene_pmu_disable_counter,
+ .enable_counter_int = xgene_pmu_enable_counter_int,
+ .disable_counter_int = xgene_pmu_disable_counter_int,
+ .reset_counters = xgene_pmu_reset_counters,
+ .start_counters = xgene_pmu_start_counters,
+ .stop_counters = xgene_pmu_stop_counters,
+};
+
static const struct of_device_id xgene_pmu_of_match[] = {
{ .compatible = "apm,xgene-pmu", .data = &xgene_pmu_data },
{ .compatible = "apm,xgene-pmu-v2", .data = &xgene_pmu_v2_data },
@@ -1245,6 +1811,7 @@ MODULE_DEVICE_TABLE(of, xgene_pmu_of_match);
static const struct acpi_device_id xgene_pmu_acpi_match[] = {
{"APMC0D5B", PCP_PMU_V1},
{"APMC0D5C", PCP_PMU_V2},
+ {"APMC0D83", PCP_PMU_V3},
{},
};
MODULE_DEVICE_TABLE(acpi, xgene_pmu_acpi_match);
@@ -1284,6 +1851,11 @@ static int xgene_pmu_probe(struct platform_device *pdev)
if (version < 0)
return -ENODEV;
+ if (version == PCP_PMU_V3)
+ xgene_pmu->ops = &xgene_pmu_v3_ops;
+ else
+ xgene_pmu->ops = &xgene_pmu_ops;
+
INIT_LIST_HEAD(&xgene_pmu->l3cpmus);
INIT_LIST_HEAD(&xgene_pmu->iobpmus);
INIT_LIST_HEAD(&xgene_pmu->mcbpmus);
@@ -1317,7 +1889,7 @@ static int xgene_pmu_probe(struct platform_device *pdev)
raw_spin_lock_init(&xgene_pmu->lock);
/* Check for active MCBs and MCUs */
- rc = xgene_pmu_probe_active_mcb_mcu(xgene_pmu, pdev);
+ rc = xgene_pmu_probe_active_mcb_mcu_l3c(xgene_pmu, pdev);
if (rc) {
dev_warn(&pdev->dev, "Unknown MCB/MCU active status\n");
xgene_pmu->mcb_active_mask = 0x1;
@@ -1342,7 +1914,7 @@ static int xgene_pmu_probe(struct platform_device *pdev)
}
/* Enable interrupt */
- xgene_pmu_unmask_int(xgene_pmu);
+ xgene_pmu->ops->unmask_int(xgene_pmu);
return 0;
diff --git a/drivers/ras/ras.c b/drivers/ras/ras.c
index ed4c343d08c4..5429d3795732 100644
--- a/drivers/ras/ras.c
+++ b/drivers/ras/ras.c
@@ -7,11 +7,24 @@
#include <linux/init.h>
#include <linux/ras.h>
+#include <linux/uuid.h>
#define CREATE_TRACE_POINTS
#define TRACE_INCLUDE_PATH ../../include/ras
#include <ras/ras_event.h>
+void log_non_standard_event(const uuid_le *sec_type, const uuid_le *fru_id,
+ const char *fru_text, const u8 sev, const u8 *err,
+ const u32 len)
+{
+ trace_non_standard_event(sec_type, fru_id, fru_text, sev, err, len);
+}
+
+void log_arm_hw_error(struct cper_sec_proc_arm *err)
+{
+ trace_arm_event(err);
+}
+
static int __init ras_init(void)
{
int rc = 0;
@@ -27,7 +40,8 @@ subsys_initcall(ras_init);
EXPORT_TRACEPOINT_SYMBOL_GPL(extlog_mem_event);
#endif
EXPORT_TRACEPOINT_SYMBOL_GPL(mc_event);
-
+EXPORT_TRACEPOINT_SYMBOL_GPL(non_standard_event);
+EXPORT_TRACEPOINT_SYMBOL_GPL(arm_event);
static int __init parse_ras_param(char *str)
{

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