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Date: Wed, 14 May 2008 19:03:10 +0400
From: Alexey Starikovskiy <astarikovskiy@...e.de>
To: mingo@...e.hu
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH 4/5] x86: make struct config_ioapic not MPspec specific
Signed-off-by: Alexey Starikovskiy <astarikovskiy@...e.de>
---
arch/x86/kernel/acpi/boot.c | 28 +++++++++++------------
arch/x86/kernel/apic_32.c | 2 +-
arch/x86/kernel/io_apic_32.c | 52 +++++++++++++++++++++---------------------
arch/x86/kernel/io_apic_64.c | 26 +++++++++++----------
arch/x86/kernel/mpparse.c | 8 +++++-
include/asm-x86/io_apic.h | 10 +++++++-
6 files changed, 69 insertions(+), 57 deletions(-)
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index a834a8e..4652475 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -885,8 +885,8 @@ static u8 __init uniq_ioapic_id(u8 id)
DECLARE_BITMAP(used, 256);
bitmap_zero(used, 256);
for (i = 0; i < nr_ioapics; i++) {
- struct mpc_config_ioapic *ia = &mp_ioapics[i];
- __set_bit(ia->mpc_apicid, used);
+ struct mp_config_ioapic *ia = &mp_ioapics[i];
+ __set_bit(ia->mp_apicid, used);
}
if (!test_bit(id, used))
return id;
@@ -918,29 +918,29 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
idx = nr_ioapics;
- mp_ioapics[idx].mpc_type = MP_IOAPIC;
- mp_ioapics[idx].mpc_flags = MPC_APIC_USABLE;
- mp_ioapics[idx].mpc_apicaddr = address;
+ mp_ioapics[idx].mp_type = MP_IOAPIC;
+ mp_ioapics[idx].mp_flags = MPC_APIC_USABLE;
+ mp_ioapics[idx].mp_apicaddr = address;
set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address);
- mp_ioapics[idx].mpc_apicid = uniq_ioapic_id(id);
+ mp_ioapics[idx].mp_apicid = uniq_ioapic_id(id);
#ifdef CONFIG_X86_32
- mp_ioapics[idx].mpc_apicver = io_apic_get_version(idx);
+ mp_ioapics[idx].mp_apicver = io_apic_get_version(idx);
#else
- mp_ioapics[idx].mpc_apicver = 0;
+ mp_ioapics[idx].mp_apicver = 0;
#endif
/*
* Build basic GSI lookup table to facilitate gsi->io_apic lookups
* and to prevent reprogramming of IOAPIC pins (PCI GSIs).
*/
- mp_ioapic_routing[idx].apic_id = mp_ioapics[idx].mpc_apicid;
+ mp_ioapic_routing[idx].apic_id = mp_ioapics[idx].mp_apicid;
mp_ioapic_routing[idx].gsi_base = gsi_base;
mp_ioapic_routing[idx].gsi_end = gsi_base +
io_apic_get_redir_entries(idx);
- printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%x, "
- "GSI %d-%d\n", idx, mp_ioapics[idx].mpc_apicid,
- mp_ioapics[idx].mpc_apicver, mp_ioapics[idx].mpc_apicaddr,
+ printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%lx, "
+ "GSI %d-%d\n", idx, mp_ioapics[idx].mp_apicid,
+ mp_ioapics[idx].mp_apicver, mp_ioapics[idx].mp_apicaddr,
mp_ioapic_routing[idx].gsi_base, mp_ioapic_routing[idx].gsi_end);
nr_ioapics++;
@@ -973,7 +973,7 @@ void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi)
mp_irqs[mp_irq_entries].mpc_srcbus = MP_ISA_BUS;
mp_irqs[mp_irq_entries].mpc_srcbusirq = bus_irq; /* IRQ */
mp_irqs[mp_irq_entries].mpc_dstapic =
- mp_ioapics[ioapic].mpc_apicid; /* APIC ID */
+ mp_ioapics[ioapic].mp_apicid; /* APIC ID */
mp_irqs[mp_irq_entries].mpc_dstirq = pin; /* INTIN# */
if (++mp_irq_entries == MAX_IRQ_SOURCES)
@@ -1014,7 +1014,7 @@ void __init mp_config_acpi_legacy_irqs(void)
mp_irqs[mp_irq_entries].mpc_irqflag = 0; /* Conforming */
mp_irqs[mp_irq_entries].mpc_srcbus = MP_ISA_BUS;
#ifdef CONFIG_X86_IO_APIC
- mp_irqs[mp_irq_entries].mpc_dstapic = mp_ioapics[ioapic].mpc_apicid;
+ mp_irqs[mp_irq_entries].mpc_dstapic = mp_ioapics[ioapic].mp_apicid;
#endif
/*
* Use the default configuration for the IRQs 0-15. Unless
diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index d5767cb..0bd7c9c 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -1206,7 +1206,7 @@ void __init init_apic_mappings(void)
for (i = 0; i < nr_ioapics; i++) {
if (smp_found_config) {
- ioapic_phys = mp_ioapics[i].mpc_apicaddr;
+ ioapic_phys = mp_ioapics[i].mp_apicaddr;
if (!ioapic_phys) {
printk(KERN_ERR
"WARNING: bogus zero IO-APIC "
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 76769cc..b7b231c 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -72,7 +72,7 @@ int sis_apic_bug = -1;
int nr_ioapic_registers[MAX_IO_APICS];
/* I/O APIC entries */
-struct mpc_config_ioapic mp_ioapics[MAX_IO_APICS];
+struct mp_config_ioapic mp_ioapics[MAX_IO_APICS];
int nr_ioapics;
/* MP IRQ source entries */
@@ -110,7 +110,7 @@ struct io_apic {
static __attribute_const__ struct io_apic __iomem *io_apic_base(int idx)
{
return (void __iomem *) __fix_to_virt(FIX_IO_APIC_BASE_0 + idx)
- + (mp_ioapics[idx].mpc_apicaddr & ~PAGE_MASK);
+ + (mp_ioapics[idx].mp_apicaddr & ~PAGE_MASK);
}
static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg)
@@ -802,7 +802,7 @@ static int find_irq_entry(int apic, int pin, int type)
for (i = 0; i < mp_irq_entries; i++)
if (mp_irqs[i].mpc_irqtype == type &&
- (mp_irqs[i].mpc_dstapic == mp_ioapics[apic].mpc_apicid ||
+ (mp_irqs[i].mpc_dstapic == mp_ioapics[apic].mp_apicid ||
mp_irqs[i].mpc_dstapic == MP_APIC_ALL) &&
mp_irqs[i].mpc_dstirq == pin)
return i;
@@ -844,7 +844,7 @@ static int __init find_isa_irq_apic(int irq, int type)
if (i < mp_irq_entries) {
int apic;
for(apic = 0; apic < nr_ioapics; apic++) {
- if (mp_ioapics[apic].mpc_apicid == mp_irqs[i].mpc_dstapic)
+ if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mpc_dstapic)
return apic;
}
}
@@ -872,7 +872,7 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
int lbus = mp_irqs[i].mpc_srcbus;
for (apic = 0; apic < nr_ioapics; apic++)
- if (mp_ioapics[apic].mpc_apicid == mp_irqs[i].mpc_dstapic ||
+ if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mpc_dstapic ||
mp_irqs[i].mpc_dstapic == MP_APIC_ALL)
break;
@@ -1250,12 +1250,12 @@ static void __init setup_IO_APIC_irqs(void)
if (first_notcon) {
apic_printk(APIC_VERBOSE, KERN_DEBUG
" IO-APIC (apicid-pin) %d-%d",
- mp_ioapics[apic].mpc_apicid,
+ mp_ioapics[apic].mp_apicid,
pin);
first_notcon = 0;
} else
apic_printk(APIC_VERBOSE, ", %d-%d",
- mp_ioapics[apic].mpc_apicid, pin);
+ mp_ioapics[apic].mp_apicid, pin);
continue;
}
@@ -1357,7 +1357,7 @@ void __init print_IO_APIC(void)
printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries);
for (i = 0; i < nr_ioapics; i++)
printk(KERN_DEBUG "number of IO-APIC #%d registers: %d.\n",
- mp_ioapics[i].mpc_apicid, nr_ioapic_registers[i]);
+ mp_ioapics[i].mp_apicid, nr_ioapic_registers[i]);
/*
* We are a bit conservative about what we expect. We have to
@@ -1376,7 +1376,7 @@ void __init print_IO_APIC(void)
reg_03.raw = io_apic_read(apic, 3);
spin_unlock_irqrestore(&ioapic_lock, flags);
- printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mpc_apicid);
+ printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mp_apicid);
printk(KERN_DEBUG ".... register #00: %08X\n", reg_00.raw);
printk(KERN_DEBUG "....... : physical APIC id: %02X\n", reg_00.bits.ID);
printk(KERN_DEBUG "....... : Delivery Type: %X\n", reg_00.bits.delivery_type);
@@ -1749,14 +1749,14 @@ static void __init setup_ioapic_ids_from_mpc(void)
reg_00.raw = io_apic_read(apic, 0);
spin_unlock_irqrestore(&ioapic_lock, flags);
- old_id = mp_ioapics[apic].mpc_apicid;
+ old_id = mp_ioapics[apic].mp_apicid;
- if (mp_ioapics[apic].mpc_apicid >= get_physical_broadcast()) {
+ if (mp_ioapics[apic].mp_apicid >= get_physical_broadcast()) {
printk(KERN_ERR "BIOS bug, IO-APIC#%d ID is %d in the MPC table!...\n",
- apic, mp_ioapics[apic].mpc_apicid);
+ apic, mp_ioapics[apic].mp_apicid);
printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n",
reg_00.bits.ID);
- mp_ioapics[apic].mpc_apicid = reg_00.bits.ID;
+ mp_ioapics[apic].mp_apicid = reg_00.bits.ID;
}
/*
@@ -1765,9 +1765,9 @@ static void __init setup_ioapic_ids_from_mpc(void)
* 'stuck on smp_invalidate_needed IPI wait' messages.
*/
if (check_apicid_used(phys_id_present_map,
- mp_ioapics[apic].mpc_apicid)) {
+ mp_ioapics[apic].mp_apicid)) {
printk(KERN_ERR "BIOS bug, IO-APIC#%d ID %d is already used!...\n",
- apic, mp_ioapics[apic].mpc_apicid);
+ apic, mp_ioapics[apic].mp_apicid);
for (i = 0; i < get_physical_broadcast(); i++)
if (!physid_isset(i, phys_id_present_map))
break;
@@ -1776,13 +1776,13 @@ static void __init setup_ioapic_ids_from_mpc(void)
printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n",
i);
physid_set(i, phys_id_present_map);
- mp_ioapics[apic].mpc_apicid = i;
+ mp_ioapics[apic].mp_apicid = i;
} else {
physid_mask_t tmp;
- tmp = apicid_to_cpu_present(mp_ioapics[apic].mpc_apicid);
+ tmp = apicid_to_cpu_present(mp_ioapics[apic].mp_apicid);
apic_printk(APIC_VERBOSE, "Setting %d in the "
"phys_id_present_map\n",
- mp_ioapics[apic].mpc_apicid);
+ mp_ioapics[apic].mp_apicid);
physids_or(phys_id_present_map, phys_id_present_map, tmp);
}
@@ -1791,11 +1791,11 @@ static void __init setup_ioapic_ids_from_mpc(void)
* We need to adjust the IRQ routing table
* if the ID changed.
*/
- if (old_id != mp_ioapics[apic].mpc_apicid)
+ if (old_id != mp_ioapics[apic].mp_apicid)
for (i = 0; i < mp_irq_entries; i++)
if (mp_irqs[i].mpc_dstapic == old_id)
mp_irqs[i].mpc_dstapic
- = mp_ioapics[apic].mpc_apicid;
+ = mp_ioapics[apic].mp_apicid;
/*
* Read the right value from the MPC table and
@@ -1803,9 +1803,9 @@ static void __init setup_ioapic_ids_from_mpc(void)
*/
apic_printk(APIC_VERBOSE, KERN_INFO
"...changing IO-APIC physical APIC ID to %d ...",
- mp_ioapics[apic].mpc_apicid);
+ mp_ioapics[apic].mp_apicid);
- reg_00.bits.ID = mp_ioapics[apic].mpc_apicid;
+ reg_00.bits.ID = mp_ioapics[apic].mp_apicid;
spin_lock_irqsave(&ioapic_lock, flags);
io_apic_write(apic, 0, reg_00.raw);
spin_unlock_irqrestore(&ioapic_lock, flags);
@@ -1816,7 +1816,7 @@ static void __init setup_ioapic_ids_from_mpc(void)
spin_lock_irqsave(&ioapic_lock, flags);
reg_00.raw = io_apic_read(apic, 0);
spin_unlock_irqrestore(&ioapic_lock, flags);
- if (reg_00.bits.ID != mp_ioapics[apic].mpc_apicid)
+ if (reg_00.bits.ID != mp_ioapics[apic].mp_apicid)
printk("could not set ID!\n");
else
apic_printk(APIC_VERBOSE, " ok.\n");
@@ -2355,8 +2355,8 @@ static int ioapic_resume(struct sys_device *dev)
spin_lock_irqsave(&ioapic_lock, flags);
reg_00.raw = io_apic_read(dev->id, 0);
- if (reg_00.bits.ID != mp_ioapics[dev->id].mpc_apicid) {
- reg_00.bits.ID = mp_ioapics[dev->id].mpc_apicid;
+ if (reg_00.bits.ID != mp_ioapics[dev->id].mp_apicid) {
+ reg_00.bits.ID = mp_ioapics[dev->id].mp_apicid;
io_apic_write(dev->id, 0, reg_00.raw);
}
spin_unlock_irqrestore(&ioapic_lock, flags);
@@ -2789,7 +2789,7 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int a
apic_printk(APIC_DEBUG, KERN_DEBUG "IOAPIC[%d]: Set PCI routing entry "
"(%d-%d -> 0x%x -> IRQ %d Mode:%i Active:%i)\n", ioapic,
- mp_ioapics[ioapic].mpc_apicid, pin, entry.vector, irq,
+ mp_ioapics[ioapic].mp_apicid, pin, entry.vector, irq,
edge_level, active_high_low);
ioapic_register_intr(irq, entry.vector, edge_level);
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 0081cbd..371ec65 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -108,7 +108,7 @@ DEFINE_SPINLOCK(vector_lock);
int nr_ioapic_registers[MAX_IO_APICS];
/* I/O APIC entries */
-struct mpc_config_ioapic mp_ioapics[MAX_IO_APICS];
+struct mp_config_ioapic mp_ioapics[MAX_IO_APICS];
int nr_ioapics;
/* MP IRQ source entries */
@@ -144,7 +144,7 @@ struct io_apic {
static __attribute_const__ struct io_apic __iomem *io_apic_base(int idx)
{
return (void __iomem *) __fix_to_virt(FIX_IO_APIC_BASE_0 + idx)
- + (mp_ioapics[idx].mpc_apicaddr & ~PAGE_MASK);
+ + (mp_ioapics[idx].mp_apicaddr & ~PAGE_MASK);
}
static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg)
@@ -458,7 +458,7 @@ static int find_irq_entry(int apic, int pin, int type)
for (i = 0; i < mp_irq_entries; i++)
if (mp_irqs[i].mpc_irqtype == type &&
- (mp_irqs[i].mpc_dstapic == mp_ioapics[apic].mpc_apicid ||
+ (mp_irqs[i].mpc_dstapic == mp_ioapics[apic].mp_apicid ||
mp_irqs[i].mpc_dstapic == MP_APIC_ALL) &&
mp_irqs[i].mpc_dstirq == pin)
return i;
@@ -500,7 +500,7 @@ static int __init find_isa_irq_apic(int irq, int type)
if (i < mp_irq_entries) {
int apic;
for(apic = 0; apic < nr_ioapics; apic++) {
- if (mp_ioapics[apic].mpc_apicid == mp_irqs[i].mpc_dstapic)
+ if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mpc_dstapic)
return apic;
}
}
@@ -528,7 +528,7 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
int lbus = mp_irqs[i].mpc_srcbus;
for (apic = 0; apic < nr_ioapics; apic++)
- if (mp_ioapics[apic].mpc_apicid == mp_irqs[i].mpc_dstapic ||
+ if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mpc_dstapic ||
mp_irqs[i].mpc_dstapic == MP_APIC_ALL)
break;
@@ -850,7 +850,7 @@ static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq,
apic_printk(APIC_VERBOSE,KERN_DEBUG
"IOAPIC[%d]: Set routing entry (%d-%d -> 0x%x -> "
"IRQ %d Mode:%i Active:%i)\n",
- apic, mp_ioapics[apic].mpc_apicid, pin, cfg->vector,
+ apic, mp_ioapics[apic].mp_apicid, pin, cfg->vector,
irq, trigger, polarity);
/*
@@ -891,10 +891,10 @@ static void __init setup_IO_APIC_irqs(void)
idx = find_irq_entry(apic,pin,mp_INT);
if (idx == -1) {
if (first_notcon) {
- apic_printk(APIC_VERBOSE, KERN_DEBUG " IO-APIC (apicid-pin) %d-%d", mp_ioapics[apic].mpc_apicid, pin);
+ apic_printk(APIC_VERBOSE, KERN_DEBUG " IO-APIC (apicid-pin) %d-%d", mp_ioapics[apic].mp_apicid, pin);
first_notcon = 0;
} else
- apic_printk(APIC_VERBOSE, ", %d-%d", mp_ioapics[apic].mpc_apicid, pin);
+ apic_printk(APIC_VERBOSE, ", %d-%d", mp_ioapics[apic].mp_apicid, pin);
continue;
}
if (!first_notcon) {
@@ -969,7 +969,7 @@ void __apicdebuginit print_IO_APIC(void)
printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries);
for (i = 0; i < nr_ioapics; i++)
printk(KERN_DEBUG "number of IO-APIC #%d registers: %d.\n",
- mp_ioapics[i].mpc_apicid, nr_ioapic_registers[i]);
+ mp_ioapics[i].mp_apicid, nr_ioapic_registers[i]);
/*
* We are a bit conservative about what we expect. We have to
@@ -987,7 +987,7 @@ void __apicdebuginit print_IO_APIC(void)
spin_unlock_irqrestore(&ioapic_lock, flags);
printk("\n");
- printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mpc_apicid);
+ printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mp_apicid);
printk(KERN_DEBUG ".... register #00: %08X\n", reg_00.raw);
printk(KERN_DEBUG "....... : physical APIC id: %02X\n", reg_00.bits.ID);
@@ -1845,8 +1845,8 @@ static int ioapic_resume(struct sys_device *dev)
spin_lock_irqsave(&ioapic_lock, flags);
reg_00.raw = io_apic_read(dev->id, 0);
- if (reg_00.bits.ID != mp_ioapics[dev->id].mpc_apicid) {
- reg_00.bits.ID = mp_ioapics[dev->id].mpc_apicid;
+ if (reg_00.bits.ID != mp_ioapics[dev->id].mp_apicid) {
+ reg_00.bits.ID = mp_ioapics[dev->id].mp_apicid;
io_apic_write(dev->id, 0, reg_00.raw);
}
spin_unlock_irqrestore(&ioapic_lock, flags);
@@ -2340,7 +2340,7 @@ void __init ioapic_init_mappings(void)
ioapic_res = ioapic_setup_resources();
for (i = 0; i < nr_ioapics; i++) {
if (smp_found_config) {
- ioapic_phys = mp_ioapics[i].mpc_apicaddr;
+ ioapic_phys = mp_ioapics[i].mp_apicaddr;
} else {
ioapic_phys = (unsigned long)
alloc_bootmem_pages(PAGE_SIZE);
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index d05b70c..9f1e5bf 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -176,7 +176,11 @@ static void __init MP_ioapic_info(struct mpc_config_ioapic *m)
if (bad_ioapic(m->mpc_apicaddr))
return;
- mp_ioapics[nr_ioapics] = *m;
+ mp_ioapics[nr_ioapics].mp_apicaddr = m->mpc_apicaddr;
+ mp_ioapics[nr_ioapics].mp_apicid = m->mpc_apicid;
+ mp_ioapics[nr_ioapics].mp_type = m->mpc_type;
+ mp_ioapics[nr_ioapics].mp_apicver = m->mpc_apicver;
+ mp_ioapics[nr_ioapics].mp_flags = m->mpc_flags;
nr_ioapics++;
}
@@ -426,7 +430,7 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type)
intsrc.mpc_type = MP_INTSRC;
intsrc.mpc_irqflag = 0; /* conforming */
intsrc.mpc_srcbus = 0;
- intsrc.mpc_dstapic = mp_ioapics[0].mpc_apicid;
+ intsrc.mpc_dstapic = mp_ioapics[0].mp_apicid;
intsrc.mpc_irqtype = mp_INT;
diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h
index 2ef96f0..ade76c0 100644
--- a/include/asm-x86/io_apic.h
+++ b/include/asm-x86/io_apic.h
@@ -112,8 +112,16 @@ extern int nr_ioapic_registers[MAX_IO_APICS];
#define MP_MAX_IOAPIC_PIN 127
+struct mp_config_ioapic {
+ unsigned long mp_apicaddr;
+ unsigned int mp_apicid;
+ unsigned char mp_type;
+ unsigned char mp_apicver;
+ unsigned char mp_flags;
+};
+
/* I/O APIC entries */
-extern struct mpc_config_ioapic mp_ioapics[MAX_IO_APICS];
+extern struct mp_config_ioapic mp_ioapics[MAX_IO_APICS];
/* # of MP IRQ source entries */
extern int mp_irq_entries;
--
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