* compliant MP-table parsing routines.
*
* (c) 1995 Alan Cox, Building #3 <alan@lxorguk.ukuu.org.uk>
- * (c) 1998, 1999, 2000 Ingo Molnar <mingo@redhat.com>
+ * (c) 1998, 1999, 2000, 2009 Ingo Molnar <mingo@redhat.com>
* (c) 2008 Alexey Starikovskiy <astarikovskiy@suse.de>
*/
#include <linux/acpi.h>
#include <linux/module.h>
#include <linux/smp.h>
+#include <linux/pci.h>
#include <asm/mtrr.h>
#include <asm/mpspec.h>
#include <asm/setup.h>
#include <asm/smp.h>
-#include <mach_apic.h>
-#ifdef CONFIG_X86_32
-#include <mach_apicdef.h>
-#include <mach_mpparse.h>
-#endif
-
+#include <asm/apic.h>
/*
* Checksum an MP configuration block.
*/
return sum & 0xFF;
}
+int __init default_mpc_apic_id(struct mpc_cpu *m)
+{
+ return m->apicid;
+}
+
static void __init MP_processor_info(struct mpc_cpu *m)
{
int apicid;
return;
}
- if (x86_quirks->mpc_apic_id)
- apicid = x86_quirks->mpc_apic_id(m);
- else
- apicid = m->apicid;
+ apicid = x86_init.mpparse.mpc_apic_id(m);
if (m->cpuflag & CPU_BOOTPROCESSOR) {
bootup_cpu = " (Bootup-CPU)";
}
#ifdef CONFIG_X86_IO_APIC
-static void __init MP_bus_info(struct mpc_bus *m)
+void __init default_mpc_oem_bus_info(struct mpc_bus *m, char *str)
{
- char str[7];
memcpy(str, m->bustype, 6);
str[6] = 0;
+ apic_printk(APIC_VERBOSE, "Bus #%d is %s\n", m->busid, str);
+}
- if (x86_quirks->mpc_oem_bus_info)
- x86_quirks->mpc_oem_bus_info(m, str);
- else
- apic_printk(APIC_VERBOSE, "Bus #%d is %s\n", m->busid, str);
+static void __init MP_bus_info(struct mpc_bus *m)
+{
+ char str[7];
+
+ x86_init.mpparse.mpc_oem_bus_info(m, str);
#if MAX_MP_BUSSES < 256
if (m->busid >= MAX_MP_BUSSES) {
mp_bus_id_to_type[m->busid] = MP_BUS_ISA;
#endif
} else if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI) - 1) == 0) {
- if (x86_quirks->mpc_oem_pci_bus)
- x86_quirks->mpc_oem_pci_bus(m);
+ if (x86_init.mpparse.mpc_oem_pci_bus)
+ x86_init.mpparse.mpc_oem_pci_bus(m);
clear_bit(m->busid, mp_bus_not_pci);
#if defined(CONFIG_EISA) || defined(CONFIG_MCA)
} else
printk(KERN_WARNING "Unknown bustype %s - ignoring\n", str);
}
-#endif
-
-#ifdef CONFIG_X86_IO_APIC
static int bad_ioapic(unsigned long address)
{
if (++mp_irq_entries == MAX_IRQ_SOURCES)
panic("Max # of irq sources exceeded!!\n");
}
+#else /* CONFIG_X86_IO_APIC */
+static inline void __init MP_bus_info(struct mpc_bus *m) {}
+static inline void __init MP_ioapic_info(struct mpc_ioapic *m) {}
+static inline void __init MP_intsrc_info(struct mpc_intsrc *m) {}
+#endif /* CONFIG_X86_IO_APIC */
-#endif
static void __init MP_lintsrc_info(struct mpc_lintsrc *m)
{
return 1;
}
+static void skip_entry(unsigned char **ptr, int *count, int size)
+{
+ *ptr += size;
+ *count += size;
+}
+
+static void __init smp_dump_mptable(struct mpc_table *mpc, unsigned char *mpt)
+{
+ printk(KERN_ERR "Your mptable is wrong, contact your HW vendor!\n"
+ "type %x\n", *mpt);
+ print_hex_dump(KERN_ERR, " ", DUMP_PREFIX_ADDRESS, 16,
+ 1, mpc, mpc->length, 1);
+}
+
+void __init default_smp_read_mpc_oem(struct mpc_table *mpc) { }
+
static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early)
{
char str[16];
return 0;
#ifdef CONFIG_X86_32
- mps_oem_check(mpc, oem, str);
+ generic_mps_oem_check(mpc, oem, str);
#endif
/* save the local APIC address, it might be non-default */
if (!acpi_lapic)
if (early)
return 1;
- if (mpc->oemptr && x86_quirks->smp_read_mpc_oem) {
- struct mpc_oemtable *oem_table = (void *)(long)mpc->oemptr;
- x86_quirks->smp_read_mpc_oem(oem_table, mpc->oemsize);
- }
+ if (mpc->oemptr)
+ x86_init.mpparse.smp_read_mpc_oem(mpc);
/*
* Now process the configuration blocks.
*/
- if (x86_quirks->mpc_record)
- *x86_quirks->mpc_record = 0;
+ x86_init.mpparse.mpc_record(0);
while (count < mpc->length) {
switch (*mpt) {
case MP_PROCESSOR:
- {
- struct mpc_cpu *m = (struct mpc_cpu *)mpt;
- /* ACPI may have already provided this data */
- if (!acpi_lapic)
- MP_processor_info(m);
- mpt += sizeof(*m);
- count += sizeof(*m);
- break;
- }
+ /* ACPI may have already provided this data */
+ if (!acpi_lapic)
+ MP_processor_info((struct mpc_cpu *)mpt);
+ skip_entry(&mpt, &count, sizeof(struct mpc_cpu));
+ break;
case MP_BUS:
- {
- struct mpc_bus *m = (struct mpc_bus *)mpt;
-#ifdef CONFIG_X86_IO_APIC
- MP_bus_info(m);
-#endif
- mpt += sizeof(*m);
- count += sizeof(*m);
- break;
- }
+ MP_bus_info((struct mpc_bus *)mpt);
+ skip_entry(&mpt, &count, sizeof(struct mpc_bus));
+ break;
case MP_IOAPIC:
- {
-#ifdef CONFIG_X86_IO_APIC
- struct mpc_ioapic *m = (struct mpc_ioapic *)mpt;
- MP_ioapic_info(m);
-#endif
- mpt += sizeof(struct mpc_ioapic);
- count += sizeof(struct mpc_ioapic);
- break;
- }
+ MP_ioapic_info((struct mpc_ioapic *)mpt);
+ skip_entry(&mpt, &count, sizeof(struct mpc_ioapic));
+ break;
case MP_INTSRC:
- {
-#ifdef CONFIG_X86_IO_APIC
- struct mpc_intsrc *m = (struct mpc_intsrc *)mpt;
-
- MP_intsrc_info(m);
-#endif
- mpt += sizeof(struct mpc_intsrc);
- count += sizeof(struct mpc_intsrc);
- break;
- }
+ MP_intsrc_info((struct mpc_intsrc *)mpt);
+ skip_entry(&mpt, &count, sizeof(struct mpc_intsrc));
+ break;
case MP_LINTSRC:
- {
- struct mpc_lintsrc *m =
- (struct mpc_lintsrc *)mpt;
- MP_lintsrc_info(m);
- mpt += sizeof(*m);
- count += sizeof(*m);
- break;
- }
+ MP_lintsrc_info((struct mpc_lintsrc *)mpt);
+ skip_entry(&mpt, &count, sizeof(struct mpc_lintsrc));
+ break;
default:
/* wrong mptable */
- printk(KERN_ERR "Your mptable is wrong, contact your HW vendor!\n");
- printk(KERN_ERR "type %x\n", *mpt);
- print_hex_dump(KERN_ERR, " ", DUMP_PREFIX_ADDRESS, 16,
- 1, mpc, mpc->length, 1);
+ smp_dump_mptable(mpc, mpt);
count = mpc->length;
break;
}
- if (x86_quirks->mpc_record)
- (*x86_quirks->mpc_record)++;
+ x86_init.mpparse.mpc_record(1);
}
-#ifdef CONFIG_X86_GENERICARCH
- generic_bigsmp_probe();
-#endif
-
- if (apic->setup_apic_routing)
- apic->setup_apic_routing();
-
if (!num_processors)
printk(KERN_ERR "MPTABLE: no processors registered!\n");
return num_processors;
MP_bus_info(&bus);
}
- ioapic.type = MP_IOAPIC;
- ioapic.apicid = 2;
- ioapic.apicver = mpc_default_type > 4 ? 0x10 : 0x01;
- ioapic.flags = MPC_APIC_USABLE;
- ioapic.apicaddr = 0xFEC00000;
+ ioapic.type = MP_IOAPIC;
+ ioapic.apicid = 2;
+ ioapic.apicver = mpc_default_type > 4 ? 0x10 : 0x01;
+ ioapic.flags = MPC_APIC_USABLE;
+ ioapic.apicaddr = IO_APIC_DEFAULT_PHYS_BASE;
MP_ioapic_info(&ioapic);
/*
static struct mpf_intel *mpf_found;
+static unsigned long __init get_mpc_size(unsigned long physptr)
+{
+ struct mpc_table *mpc;
+ unsigned long size;
+
+ mpc = early_ioremap(physptr, PAGE_SIZE);
+ size = mpc->length;
+ early_iounmap(mpc, PAGE_SIZE);
+ apic_printk(APIC_VERBOSE, " mpc: %lx-%lx\n", physptr, physptr + size);
+
+ return size;
+}
+
+static int __init check_physptr(struct mpf_intel *mpf, unsigned int early)
+{
+ struct mpc_table *mpc;
+ unsigned long size;
+
+ size = get_mpc_size(mpf->physptr);
+ mpc = early_ioremap(mpf->physptr, size);
+ /*
+ * Read the physical hardware table. Anything here will
+ * override the defaults.
+ */
+ if (!smp_read_mpc(mpc, early)) {
+#ifdef CONFIG_X86_LOCAL_APIC
+ smp_found_config = 0;
+#endif
+ printk(KERN_ERR "BIOS bug, MP table errors detected!...\n"
+ "... disabling SMP support. (tell your hw vendor)\n");
+ early_iounmap(mpc, size);
+ return -1;
+ }
+ early_iounmap(mpc, size);
+
+ if (early)
+ return -1;
+
+#ifdef CONFIG_X86_IO_APIC
+ /*
+ * If there are no explicit MP IRQ entries, then we are
+ * broken. We set up most of the low 16 IO-APIC pins to
+ * ISA defaults and hope it will work.
+ */
+ if (!mp_irq_entries) {
+ struct mpc_bus bus;
+
+ printk(KERN_ERR "BIOS bug, no explicit IRQ entries, "
+ "using default mptable. (tell your hw vendor)\n");
+
+ bus.type = MP_BUS;
+ bus.busid = 0;
+ memcpy(bus.bustype, "ISA ", 6);
+ MP_bus_info(&bus);
+
+ construct_default_ioirq_mptable(0);
+ }
+#endif
+
+ return 0;
+}
+
/*
* Scan the memory blocks for an SMP configuration block.
*/
-static void __init __get_smp_config(unsigned int early)
+void __init default_get_smp_config(unsigned int early)
{
struct mpf_intel *mpf = mpf_found;
if (acpi_lapic && acpi_ioapic)
return;
- if (x86_quirks->mach_get_smp_config) {
- if (x86_quirks->mach_get_smp_config(early))
- return;
- }
-
printk(KERN_INFO "Intel MultiProcessor Specification v1.%d\n",
mpf->specification);
#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_32)
construct_default_ISA_mptable(mpf->feature1);
} else if (mpf->physptr) {
-
- /*
- * Read the physical hardware table. Anything here will
- * override the defaults.
- */
- if (!smp_read_mpc(phys_to_virt(mpf->physptr), early)) {
-#ifdef CONFIG_X86_LOCAL_APIC
- smp_found_config = 0;
-#endif
- printk(KERN_ERR
- "BIOS bug, MP table errors detected!...\n");
- printk(KERN_ERR "... disabling SMP support. "
- "(tell your hw vendor)\n");
+ if (check_physptr(mpf, early))
return;
- }
-
- if (early)
- return;
-#ifdef CONFIG_X86_IO_APIC
- /*
- * If there are no explicit MP IRQ entries, then we are
- * broken. We set up most of the low 16 IO-APIC pins to
- * ISA defaults and hope it will work.
- */
- if (!mp_irq_entries) {
- struct mpc_bus bus;
-
- printk(KERN_ERR "BIOS bug, no explicit IRQ entries, "
- "using default mptable. "
- "(tell your hw vendor)\n");
-
- bus.type = MP_BUS;
- bus.busid = 0;
- memcpy(bus.bustype, "ISA ", 6);
- MP_bus_info(&bus);
-
- construct_default_ioirq_mptable(0);
- }
-#endif
} else
BUG();
*/
}
-void __init early_get_smp_config(void)
+static void __init smp_reserve_memory(struct mpf_intel *mpf)
{
- __get_smp_config(1);
-}
+ unsigned long size = get_mpc_size(mpf->physptr);
-void __init get_smp_config(void)
-{
- __get_smp_config(0);
+ reserve_early(mpf->physptr, mpf->physptr+size, "MP-table mpc");
}
-static int __init smp_scan_config(unsigned long base, unsigned long length,
- unsigned reserve)
+static int __init smp_scan_config(unsigned long base, unsigned long length)
{
unsigned int *bp = phys_to_virt(base);
struct mpf_intel *mpf;
+ unsigned long mem;
apic_printk(APIC_VERBOSE, "Scan SMP from %p for %ld bytes.\n",
bp, length);
#endif
mpf_found = mpf;
- printk(KERN_INFO "found SMP MP-table at [%p] %08lx\n",
- mpf, virt_to_phys(mpf));
+ printk(KERN_INFO "found SMP MP-table at [%p] %llx\n",
+ mpf, (u64)virt_to_phys(mpf));
- if (!reserve)
- return 1;
- reserve_bootmem_generic(virt_to_phys(mpf), PAGE_SIZE,
- BOOTMEM_DEFAULT);
- if (mpf->physptr) {
- unsigned long size = PAGE_SIZE;
-#ifdef CONFIG_X86_32
- /*
- * We cannot access to MPC table to compute
- * table size yet, as only few megabytes from
- * the bottom is mapped now.
- * PC-9800's MPC table places on the very last
- * of physical memory; so that simply reserving
- * PAGE_SIZE from mpf->physptr yields BUG()
- * in reserve_bootmem.
- */
- unsigned long end = max_low_pfn * PAGE_SIZE;
- if (mpf->physptr + size > end)
- size = end - mpf->physptr;
-#endif
- reserve_bootmem_generic(mpf->physptr, size,
- BOOTMEM_DEFAULT);
- }
+ mem = virt_to_phys(mpf);
+ reserve_early(mem, mem + sizeof(*mpf), "MP-table mpf");
+ if (mpf->physptr)
+ smp_reserve_memory(mpf);
return 1;
}
return 0;
}
-static void __init __find_smp_config(unsigned int reserve)
+void __init default_find_smp_config(void)
{
unsigned int address;
- if (x86_quirks->mach_find_smp_config) {
- if (x86_quirks->mach_find_smp_config(reserve))
- return;
- }
/*
* FIXME: Linux assumes you have 640K of base ram..
* this continues the error...
* 2) Scan the top 1K of base RAM
* 3) Scan the 64K of bios
*/
- if (smp_scan_config(0x0, 0x400, reserve) ||
- smp_scan_config(639 * 0x400, 0x400, reserve) ||
- smp_scan_config(0xF0000, 0x10000, reserve))
+ if (smp_scan_config(0x0, 0x400) ||
+ smp_scan_config(639 * 0x400, 0x400) ||
+ smp_scan_config(0xF0000, 0x10000))
return;
/*
* If it is an SMP machine we should know now, unless the
address = get_bios_ebda();
if (address)
- smp_scan_config(address, 0x400, reserve);
-}
-
-void __init early_find_smp_config(void)
-{
- __find_smp_config(0);
-}
-
-void __init find_smp_config(void)
-{
- __find_smp_config(1);
+ smp_scan_config(address, 0x400);
}
#ifdef CONFIG_X86_IO_APIC
#define SPARE_SLOT_NUM 20
static struct mpc_intsrc __initdata *m_spare[SPARE_SLOT_NUM];
-#endif
+
+static void __init check_irq_src(struct mpc_intsrc *m, int *nr_m_spare)
+{
+ int i;
+
+ apic_printk(APIC_VERBOSE, "OLD ");
+ print_MP_intsrc_info(m);
+
+ i = get_MP_intsrc_index(m);
+ if (i > 0) {
+ assign_to_mpc_intsrc(&mp_irqs[i], m);
+ apic_printk(APIC_VERBOSE, "NEW ");
+ print_mp_irq_info(&mp_irqs[i]);
+ return;
+ }
+ if (!i) {
+ /* legacy, do nothing */
+ return;
+ }
+ if (*nr_m_spare < SPARE_SLOT_NUM) {
+ /*
+ * not found (-1), or duplicated (-2) are invalid entries,
+ * we need to use the slot later
+ */
+ m_spare[*nr_m_spare] = m;
+ *nr_m_spare += 1;
+ }
+}
+#else /* CONFIG_X86_IO_APIC */
+static
+inline void __init check_irq_src(struct mpc_intsrc *m, int *nr_m_spare) {}
+#endif /* CONFIG_X86_IO_APIC */
+
+static int
+check_slot(unsigned long mpc_new_phys, unsigned long mpc_new_length, int count)
+{
+ int ret = 0;
+
+ if (!mpc_new_phys || count <= mpc_new_length) {
+ WARN(1, "update_mptable: No spare slots (length: %x)\n", count);
+ return -1;
+ }
+
+ return ret;
+}
static int __init replace_intsrc_all(struct mpc_table *mpc,
unsigned long mpc_new_phys,
{
#ifdef CONFIG_X86_IO_APIC
int i;
- int nr_m_spare = 0;
#endif
-
int count = sizeof(*mpc);
+ int nr_m_spare = 0;
unsigned char *mpt = ((unsigned char *)mpc) + count;
printk(KERN_INFO "mpc_length %x\n", mpc->length);
while (count < mpc->length) {
switch (*mpt) {
case MP_PROCESSOR:
- {
- struct mpc_cpu *m = (struct mpc_cpu *)mpt;
- mpt += sizeof(*m);
- count += sizeof(*m);
- break;
- }
+ skip_entry(&mpt, &count, sizeof(struct mpc_cpu));
+ break;
case MP_BUS:
- {
- struct mpc_bus *m = (struct mpc_bus *)mpt;
- mpt += sizeof(*m);
- count += sizeof(*m);
- break;
- }
+ skip_entry(&mpt, &count, sizeof(struct mpc_bus));
+ break;
case MP_IOAPIC:
- {
- mpt += sizeof(struct mpc_ioapic);
- count += sizeof(struct mpc_ioapic);
- break;
- }
+ skip_entry(&mpt, &count, sizeof(struct mpc_ioapic));
+ break;
case MP_INTSRC:
- {
-#ifdef CONFIG_X86_IO_APIC
- struct mpc_intsrc *m = (struct mpc_intsrc *)mpt;
-
- printk(KERN_INFO "OLD ");
- print_MP_intsrc_info(m);
- i = get_MP_intsrc_index(m);
- if (i > 0) {
- assign_to_mpc_intsrc(&mp_irqs[i], m);
- printk(KERN_INFO "NEW ");
- print_mp_irq_info(&mp_irqs[i]);
- } else if (!i) {
- /* legacy, do nothing */
- } else if (nr_m_spare < SPARE_SLOT_NUM) {
- /*
- * not found (-1), or duplicated (-2)
- * are invalid entries,
- * we need to use the slot later
- */
- m_spare[nr_m_spare] = m;
- nr_m_spare++;
- }
-#endif
- mpt += sizeof(struct mpc_intsrc);
- count += sizeof(struct mpc_intsrc);
- break;
- }
+ check_irq_src((struct mpc_intsrc *)mpt, &nr_m_spare);
+ skip_entry(&mpt, &count, sizeof(struct mpc_intsrc));
+ break;
case MP_LINTSRC:
- {
- struct mpc_lintsrc *m =
- (struct mpc_lintsrc *)mpt;
- mpt += sizeof(*m);
- count += sizeof(*m);
- break;
- }
+ skip_entry(&mpt, &count, sizeof(struct mpc_lintsrc));
+ break;
default:
/* wrong mptable */
- printk(KERN_ERR "Your mptable is wrong, contact your HW vendor!\n");
- printk(KERN_ERR "type %x\n", *mpt);
- print_hex_dump(KERN_ERR, " ", DUMP_PREFIX_ADDRESS, 16,
- 1, mpc, mpc->length, 1);
+ smp_dump_mptable(mpc, mpt);
goto out;
}
}
continue;
if (nr_m_spare > 0) {
- printk(KERN_INFO "*NEW* found ");
+ apic_printk(APIC_VERBOSE, "*NEW* found\n");
nr_m_spare--;
assign_to_mpc_intsrc(&mp_irqs[i], m_spare[nr_m_spare]);
m_spare[nr_m_spare] = NULL;
} else {
struct mpc_intsrc *m = (struct mpc_intsrc *)mpt;
count += sizeof(struct mpc_intsrc);
- if (!mpc_new_phys) {
- printk(KERN_INFO "No spare slots, try to append...take your risk, new mpc_length %x\n", count);
- } else {
- if (count <= mpc_new_length)
- printk(KERN_INFO "No spare slots, try to append..., new mpc_length %x\n", count);
- else {
- printk(KERN_ERR "mpc_new_length %lx is too small\n", mpc_new_length);
- goto out;
- }
- }
+ if (check_slot(mpc_new_phys, mpc_new_length, count) < 0)
+ goto out;
assign_to_mpc_intsrc(&mp_irqs[i], m);
mpc->length = count;
mpt += sizeof(struct mpc_intsrc);
return 0;
}
-static int __initdata enable_update_mptable;
+int enable_update_mptable;
static int __init update_mptable_setup(char *str)
{
enable_update_mptable = 1;
+#ifdef CONFIG_PCI
+ pci_routeirq = 1;
+#endif
return 0;
}
early_param("update_mptable", update_mptable_setup);
static int __init parse_alloc_mptable_opt(char *p)
{
enable_update_mptable = 1;
+#ifdef CONFIG_PCI
+ pci_routeirq = 1;
+#endif
alloc_mptable = 1;
if (!p)
return 0;
{
if (enable_update_mptable && alloc_mptable) {
u64 startt = 0;
-#ifdef CONFIG_X86_TRAMPOLINE
- startt = TRAMPOLINE_BASE;
-#endif
mpc_new_phys = early_reserve_e820(startt, mpc_new_length, 4);
}
}
if (!smp_check_mpc(mpc, oem, str))
return 0;
- printk(KERN_INFO "mpf: %lx\n", virt_to_phys(mpf));
+ printk(KERN_INFO "mpf: %llx\n", (u64)virt_to_phys(mpf));
printk(KERN_INFO "physptr: %x\n", mpf->physptr);
if (mpc_new_phys && mpc->length > mpc_new_length) {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff