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-rw-r--r--Documentation/pci.txt14
-rw-r--r--arch/i386/kernel/acpi/boot.c2
-rw-r--r--arch/i386/pci/common.c1
-rw-r--r--arch/i386/pci/i386.c9
-rw-r--r--arch/i386/pci/mmconfig.c9
-rw-r--r--arch/i386/pci/pci.h1
-rw-r--r--arch/ia64/kernel/irq_ia64.c19
-rw-r--r--arch/ia64/sn/kernel/io_init.c9
-rw-r--r--arch/ia64/sn/kernel/irq.c142
-rw-r--r--arch/ia64/sn/pci/pci_dma.c10
-rw-r--r--arch/ia64/sn/pci/pcibr/pcibr_dma.c62
-rw-r--r--arch/ia64/sn/pci/tioca_provider.c8
-rw-r--r--arch/ia64/sn/pci/tioce_provider.c65
-rw-r--r--arch/ppc/platforms/85xx/mpc85xx_cds_common.c9
-rw-r--r--arch/x86_64/pci/mmconfig.c13
-rw-r--r--drivers/pci/Makefile6
-rw-r--r--drivers/pci/bus.c21
-rw-r--r--drivers/pci/msi-altix.c210
-rw-r--r--drivers/pci/msi-apic.c100
-rw-r--r--drivers/pci/msi.c285
-rw-r--r--drivers/pci/msi.h133
-rw-r--r--drivers/pci/pci-acpi.c16
-rw-r--r--drivers/pci/pci-sysfs.c45
-rw-r--r--drivers/pci/pci.c16
-rw-r--r--drivers/pci/pci.h2
-rw-r--r--drivers/pci/probe.c45
-rw-r--r--drivers/pci/quirks.c47
-rw-r--r--drivers/pci/remove.c12
-rw-r--r--drivers/pci/search.c32
-rw-r--r--drivers/pci/setup-bus.c5
-rw-r--r--drivers/pci/setup-res.c40
-rw-r--r--drivers/scsi/qla1280.c24
-rw-r--r--drivers/scsi/sata_vsc.c11
-rw-r--r--include/asm-i386/msi.h10
-rw-r--r--include/asm-ia64/hw_irq.h15
-rw-r--r--include/asm-ia64/machvec.h7
-rw-r--r--include/asm-ia64/machvec_sn2.h7
-rw-r--r--include/asm-ia64/msi.h12
-rw-r--r--include/asm-ia64/sn/intr.h8
-rw-r--r--include/asm-ia64/sn/pcibr_provider.h5
-rw-r--r--include/asm-ia64/sn/pcibus_provider_defs.h17
-rw-r--r--include/asm-ia64/sn/tiocp.h3
-rw-r--r--include/asm-x86_64/msi.h10
-rw-r--r--include/linux/pci.h4
-rw-r--r--include/linux/pci_ids.h11
45 files changed, 1096 insertions, 436 deletions
diff --git a/Documentation/pci.txt b/Documentation/pci.txt
index 66bbbf1d1ef6..3242e5c1ee9c 100644
--- a/Documentation/pci.txt
+++ b/Documentation/pci.txt
@@ -213,9 +213,17 @@ have been remapped by the kernel.
213 213
214 See Documentation/IO-mapping.txt for how to access device memory. 214 See Documentation/IO-mapping.txt for how to access device memory.
215 215
216 You still need to call request_region() for I/O regions and 216 The device driver needs to call pci_request_region() to make sure
217request_mem_region() for memory regions to make sure nobody else is using the 217no other device is already using the same resource. The driver is expected
218same device. 218to determine MMIO and IO Port resource availability _before_ calling
219pci_enable_device(). Conversely, drivers should call pci_release_region()
220_after_ calling pci_disable_device(). The idea is to prevent two devices
221colliding on the same address range.
222
223Generic flavors of pci_request_region() are request_mem_region()
224(for MMIO ranges) and request_region() (for IO Port ranges).
225Use these for address resources that are not described by "normal" PCI
226interfaces (e.g. BAR).
219 227
220 All interrupt handlers should be registered with SA_SHIRQ and use the devid 228 All interrupt handlers should be registered with SA_SHIRQ and use the devid
221to map IRQs to devices (remember that all PCI interrupts are shared). 229to map IRQs to devices (remember that all PCI interrupts are shared).
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 40e5aba3ad3d..fbe93084244c 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -202,6 +202,8 @@ int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size)
202 if (mcfg->config[i].base_reserved) { 202 if (mcfg->config[i].base_reserved) {
203 printk(KERN_ERR PREFIX 203 printk(KERN_ERR PREFIX
204 "MMCONFIG not in low 4GB of memory\n"); 204 "MMCONFIG not in low 4GB of memory\n");
205 kfree(pci_mmcfg_config);
206 pci_mmcfg_config_num = 0;
205 return -ENODEV; 207 return -ENODEV;
206 } 208 }
207 } 209 }
diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c
index dbece776c5b2..c624b61e1104 100644
--- a/arch/i386/pci/common.c
+++ b/arch/i386/pci/common.c
@@ -288,6 +288,7 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
288 288
289void pcibios_disable_device (struct pci_dev *dev) 289void pcibios_disable_device (struct pci_dev *dev)
290{ 290{
291 pcibios_disable_resources(dev);
291 if (pcibios_disable_irq) 292 if (pcibios_disable_irq)
292 pcibios_disable_irq(dev); 293 pcibios_disable_irq(dev);
293} 294}
diff --git a/arch/i386/pci/i386.c b/arch/i386/pci/i386.c
index ed2c8c899bd3..7852827a599b 100644
--- a/arch/i386/pci/i386.c
+++ b/arch/i386/pci/i386.c
@@ -242,6 +242,15 @@ int pcibios_enable_resources(struct pci_dev *dev, int mask)
242 return 0; 242 return 0;
243} 243}
244 244
245void pcibios_disable_resources(struct pci_dev *dev)
246{
247 u16 cmd;
248
249 pci_read_config_word(dev, PCI_COMMAND, &cmd);
250 cmd &= ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY);
251 pci_write_config_word(dev, PCI_COMMAND, cmd);
252}
253
245/* 254/*
246 * If we set up a device for bus mastering, we need to check the latency 255 * If we set up a device for bus mastering, we need to check the latency
247 * timer as certain crappy BIOSes forget to set it properly. 256 * timer as certain crappy BIOSes forget to set it properly.
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index 6b1ea0c9a570..e545b0992c48 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -15,7 +15,9 @@
15#include <asm/e820.h> 15#include <asm/e820.h>
16#include "pci.h" 16#include "pci.h"
17 17
18#define MMCONFIG_APER_SIZE (256*1024*1024) 18/* aperture is up to 256MB but BIOS may reserve less */
19#define MMCONFIG_APER_MIN (2 * 1024*1024)
20#define MMCONFIG_APER_MAX (256 * 1024*1024)
19 21
20/* Assume systems with more busses have correct MCFG */ 22/* Assume systems with more busses have correct MCFG */
21#define MAX_CHECK_BUS 16 23#define MAX_CHECK_BUS 16
@@ -197,9 +199,10 @@ void __init pci_mmcfg_init(void)
197 return; 199 return;
198 200
199 if (!e820_all_mapped(pci_mmcfg_config[0].base_address, 201 if (!e820_all_mapped(pci_mmcfg_config[0].base_address,
200 pci_mmcfg_config[0].base_address + MMCONFIG_APER_SIZE, 202 pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN,
201 E820_RESERVED)) { 203 E820_RESERVED)) {
202 printk(KERN_ERR "PCI: BIOS Bug: MCFG area is not E820-reserved\n"); 204 printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n",
205 pci_mmcfg_config[0].base_address);
203 printk(KERN_ERR "PCI: Not using MMCONFIG.\n"); 206 printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
204 return; 207 return;
205 } 208 }
diff --git a/arch/i386/pci/pci.h b/arch/i386/pci/pci.h
index 12035e29108b..12bf3d8dda29 100644
--- a/arch/i386/pci/pci.h
+++ b/arch/i386/pci/pci.h
@@ -35,6 +35,7 @@ extern unsigned int pcibios_max_latency;
35 35
36void pcibios_resource_survey(void); 36void pcibios_resource_survey(void);
37int pcibios_enable_resources(struct pci_dev *, int); 37int pcibios_enable_resources(struct pci_dev *, int);
38void pcibios_disable_resources(struct pci_dev *);
38 39
39/* pci-pc.c */ 40/* pci-pc.c */
40 41
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 6c4d59fd0364..ef9a2b49307a 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -46,6 +46,10 @@
46 46
47#define IRQ_DEBUG 0 47#define IRQ_DEBUG 0
48 48
49/* These can be overridden in platform_irq_init */
50int ia64_first_device_vector = IA64_DEF_FIRST_DEVICE_VECTOR;
51int ia64_last_device_vector = IA64_DEF_LAST_DEVICE_VECTOR;
52
49/* default base addr of IPI table */ 53/* default base addr of IPI table */
50void __iomem *ipi_base_addr = ((void __iomem *) 54void __iomem *ipi_base_addr = ((void __iomem *)
51 (__IA64_UNCACHED_OFFSET | IA64_IPI_DEFAULT_BASE_ADDR)); 55 (__IA64_UNCACHED_OFFSET | IA64_IPI_DEFAULT_BASE_ADDR));
@@ -60,7 +64,7 @@ __u8 isa_irq_to_vector_map[16] = {
60}; 64};
61EXPORT_SYMBOL(isa_irq_to_vector_map); 65EXPORT_SYMBOL(isa_irq_to_vector_map);
62 66
63static unsigned long ia64_vector_mask[BITS_TO_LONGS(IA64_NUM_DEVICE_VECTORS)]; 67static unsigned long ia64_vector_mask[BITS_TO_LONGS(IA64_MAX_DEVICE_VECTORS)];
64 68
65int 69int
66assign_irq_vector (int irq) 70assign_irq_vector (int irq)
@@ -89,6 +93,19 @@ free_irq_vector (int vector)
89 printk(KERN_WARNING "%s: double free!\n", __FUNCTION__); 93 printk(KERN_WARNING "%s: double free!\n", __FUNCTION__);
90} 94}
91 95
96int
97reserve_irq_vector (int vector)
98{
99 int pos;
100
101 if (vector < IA64_FIRST_DEVICE_VECTOR ||
102 vector > IA64_LAST_DEVICE_VECTOR)
103 return -EINVAL;
104
105 pos = vector - IA64_FIRST_DEVICE_VECTOR;
106 return test_and_set_bit(pos, ia64_vector_mask);
107}
108
92#ifdef CONFIG_SMP 109#ifdef CONFIG_SMP
93# define IS_RESCHEDULE(vec) (vec == IA64_IPI_RESCHEDULE) 110# define IS_RESCHEDULE(vec) (vec == IA64_IPI_RESCHEDULE)
94#else 111#else
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index 5101ac462643..dc09a6a28a37 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -58,7 +58,7 @@ static int max_pcibus_number = 255; /* Default highest pci bus number */
58 */ 58 */
59 59
60static dma_addr_t 60static dma_addr_t
61sn_default_pci_map(struct pci_dev *pdev, unsigned long paddr, size_t size) 61sn_default_pci_map(struct pci_dev *pdev, unsigned long paddr, size_t size, int type)
62{ 62{
63 return 0; 63 return 0;
64} 64}
@@ -457,13 +457,6 @@ void sn_pci_fixup_slot(struct pci_dev *dev)
457 pcidev_info->pdi_sn_irq_info = NULL; 457 pcidev_info->pdi_sn_irq_info = NULL;
458 kfree(sn_irq_info); 458 kfree(sn_irq_info);
459 } 459 }
460
461 /*
462 * MSI currently not supported on altix. Remove this when
463 * the MSI abstraction patches are integrated into the kernel
464 * (sometime after 2.6.16 releases)
465 */
466 dev->no_msi = 1;
467} 460}
468 461
469/* 462/*
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index c265e02f5036..dc8e2b696713 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -26,11 +26,11 @@ static void unregister_intr_pda(struct sn_irq_info *sn_irq_info);
26 26
27int sn_force_interrupt_flag = 1; 27int sn_force_interrupt_flag = 1;
28extern int sn_ioif_inited; 28extern int sn_ioif_inited;
29static struct list_head **sn_irq_lh; 29struct list_head **sn_irq_lh;
30static spinlock_t sn_irq_info_lock = SPIN_LOCK_UNLOCKED; /* non-IRQ lock */ 30static spinlock_t sn_irq_info_lock = SPIN_LOCK_UNLOCKED; /* non-IRQ lock */
31 31
32static inline u64 sn_intr_alloc(nasid_t local_nasid, int local_widget, 32u64 sn_intr_alloc(nasid_t local_nasid, int local_widget,
33 u64 sn_irq_info, 33 struct sn_irq_info *sn_irq_info,
34 int req_irq, nasid_t req_nasid, 34 int req_irq, nasid_t req_nasid,
35 int req_slice) 35 int req_slice)
36{ 36{
@@ -40,12 +40,13 @@ static inline u64 sn_intr_alloc(nasid_t local_nasid, int local_widget,
40 40
41 SAL_CALL_NOLOCK(ret_stuff, (u64) SN_SAL_IOIF_INTERRUPT, 41 SAL_CALL_NOLOCK(ret_stuff, (u64) SN_SAL_IOIF_INTERRUPT,
42 (u64) SAL_INTR_ALLOC, (u64) local_nasid, 42 (u64) SAL_INTR_ALLOC, (u64) local_nasid,
43 (u64) local_widget, (u64) sn_irq_info, (u64) req_irq, 43 (u64) local_widget, __pa(sn_irq_info), (u64) req_irq,
44 (u64) req_nasid, (u64) req_slice); 44 (u64) req_nasid, (u64) req_slice);
45
45 return ret_stuff.status; 46 return ret_stuff.status;
46} 47}
47 48
48static inline void sn_intr_free(nasid_t local_nasid, int local_widget, 49void sn_intr_free(nasid_t local_nasid, int local_widget,
49 struct sn_irq_info *sn_irq_info) 50 struct sn_irq_info *sn_irq_info)
50{ 51{
51 struct ia64_sal_retval ret_stuff; 52 struct ia64_sal_retval ret_stuff;
@@ -112,73 +113,91 @@ static void sn_end_irq(unsigned int irq)
112 113
113static void sn_irq_info_free(struct rcu_head *head); 114static void sn_irq_info_free(struct rcu_head *head);
114 115
115static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask) 116struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *sn_irq_info,
117 nasid_t nasid, int slice)
116{ 118{
117 struct sn_irq_info *sn_irq_info, *sn_irq_info_safe; 119 int vector;
118 int cpuid, cpuphys; 120 int cpuphys;
121 int64_t bridge;
122 int local_widget, status;
123 nasid_t local_nasid;
124 struct sn_irq_info *new_irq_info;
125 struct sn_pcibus_provider *pci_provider;
119 126
120 cpuid = first_cpu(mask); 127 new_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_ATOMIC);
121 cpuphys = cpu_physical_id(cpuid); 128 if (new_irq_info == NULL)
129 return NULL;
122 130
123 list_for_each_entry_safe(sn_irq_info, sn_irq_info_safe, 131 memcpy(new_irq_info, sn_irq_info, sizeof(struct sn_irq_info));
124 sn_irq_lh[irq], list) { 132
125 u64 bridge; 133 bridge = (u64) new_irq_info->irq_bridge;
126 int local_widget, status; 134 if (!bridge) {
127 nasid_t local_nasid; 135 kfree(new_irq_info);
128 struct sn_irq_info *new_irq_info; 136 return NULL; /* irq is not a device interrupt */
129 struct sn_pcibus_provider *pci_provider; 137 }
130
131 new_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_ATOMIC);
132 if (new_irq_info == NULL)
133 break;
134 memcpy(new_irq_info, sn_irq_info, sizeof(struct sn_irq_info));
135
136 bridge = (u64) new_irq_info->irq_bridge;
137 if (!bridge) {
138 kfree(new_irq_info);
139 break; /* irq is not a device interrupt */
140 }
141 138
142 local_nasid = NASID_GET(bridge); 139 local_nasid = NASID_GET(bridge);
143 140
144 if (local_nasid & 1) 141 if (local_nasid & 1)
145 local_widget = TIO_SWIN_WIDGETNUM(bridge); 142 local_widget = TIO_SWIN_WIDGETNUM(bridge);
146 else 143 else
147 local_widget = SWIN_WIDGETNUM(bridge); 144 local_widget = SWIN_WIDGETNUM(bridge);
148 145
149 /* Free the old PROM new_irq_info structure */ 146 vector = sn_irq_info->irq_irq;
150 sn_intr_free(local_nasid, local_widget, new_irq_info); 147 /* Free the old PROM new_irq_info structure */
151 /* Update kernels new_irq_info with new target info */ 148 sn_intr_free(local_nasid, local_widget, new_irq_info);
152 unregister_intr_pda(new_irq_info); 149 /* Update kernels new_irq_info with new target info */
150 unregister_intr_pda(new_irq_info);
153 151
154 /* allocate a new PROM new_irq_info struct */ 152 /* allocate a new PROM new_irq_info struct */
155 status = sn_intr_alloc(local_nasid, local_widget, 153 status = sn_intr_alloc(local_nasid, local_widget,
156 __pa(new_irq_info), irq, 154 new_irq_info, vector,
157 cpuid_to_nasid(cpuid), 155 nasid, slice);
158 cpuid_to_slice(cpuid));
159 156
160 /* SAL call failed */ 157 /* SAL call failed */
161 if (status) { 158 if (status) {
162 kfree(new_irq_info); 159 kfree(new_irq_info);
163 break; 160 return NULL;
164 } 161 }
165 162
166 new_irq_info->irq_cpuid = cpuid; 163 cpuphys = nasid_slice_to_cpuid(nasid, slice);
167 register_intr_pda(new_irq_info); 164 new_irq_info->irq_cpuid = cpuphys;
165 register_intr_pda(new_irq_info);
168 166
169 pci_provider = sn_pci_provider[new_irq_info->irq_bridge_type]; 167 pci_provider = sn_pci_provider[new_irq_info->irq_bridge_type];
170 if (pci_provider && pci_provider->target_interrupt)
171 (pci_provider->target_interrupt)(new_irq_info);
172 168
173 spin_lock(&sn_irq_info_lock); 169 /*
174 list_replace_rcu(&sn_irq_info->list, &new_irq_info->list); 170 * If this represents a line interrupt, target it. If it's
175 spin_unlock(&sn_irq_info_lock); 171 * an msi (irq_int_bit < 0), it's already targeted.
176 call_rcu(&sn_irq_info->rcu, sn_irq_info_free); 172 */
173 if (new_irq_info->irq_int_bit >= 0 &&
174 pci_provider && pci_provider->target_interrupt)
175 (pci_provider->target_interrupt)(new_irq_info);
176
177 spin_lock(&sn_irq_info_lock);
178 list_replace_rcu(&sn_irq_info->list, &new_irq_info->list);
179 spin_unlock(&sn_irq_info_lock);
180 call_rcu(&sn_irq_info->rcu, sn_irq_info_free);
177 181
178#ifdef CONFIG_SMP 182#ifdef CONFIG_SMP
179 set_irq_affinity_info((irq & 0xff), cpuphys, 0); 183 set_irq_affinity_info((vector & 0xff), cpuphys, 0);
180#endif 184#endif
181 } 185
186 return new_irq_info;
187}
188
189static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask)
190{
191 struct sn_irq_info *sn_irq_info, *sn_irq_info_safe;
192 nasid_t nasid;
193 int slice;
194
195 nasid = cpuid_to_nasid(first_cpu(mask));
196 slice = cpuid_to_slice(first_cpu(mask));
197
198 list_for_each_entry_safe(sn_irq_info, sn_irq_info_safe,
199 sn_irq_lh[irq], list)
200 (void)sn_retarget_vector(sn_irq_info, nasid, slice);
182} 201}
183 202
184struct hw_interrupt_type irq_type_sn = { 203struct hw_interrupt_type irq_type_sn = {
@@ -202,6 +221,9 @@ void sn_irq_init(void)
202 int i; 221 int i;
203 irq_desc_t *base_desc = irq_desc; 222 irq_desc_t *base_desc = irq_desc;
204 223
224 ia64_first_device_vector = IA64_SN2_FIRST_DEVICE_VECTOR;
225 ia64_last_device_vector = IA64_SN2_LAST_DEVICE_VECTOR;
226
205 for (i = 0; i < NR_IRQS; i++) { 227 for (i = 0; i < NR_IRQS; i++) {
206 if (base_desc[i].handler == &no_irq_type) { 228 if (base_desc[i].handler == &no_irq_type) {
207 base_desc[i].handler = &irq_type_sn; 229 base_desc[i].handler = &irq_type_sn;
@@ -285,6 +307,7 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info)
285 /* link it into the sn_irq[irq] list */ 307 /* link it into the sn_irq[irq] list */
286 spin_lock(&sn_irq_info_lock); 308 spin_lock(&sn_irq_info_lock);
287 list_add_rcu(&sn_irq_info->list, sn_irq_lh[sn_irq_info->irq_irq]); 309 list_add_rcu(&sn_irq_info->list, sn_irq_lh[sn_irq_info->irq_irq]);
310 reserve_irq_vector(sn_irq_info->irq_irq);
288 spin_unlock(&sn_irq_info_lock); 311 spin_unlock(&sn_irq_info_lock);
289 312
290 register_intr_pda(sn_irq_info); 313 register_intr_pda(sn_irq_info);
@@ -310,8 +333,11 @@ void sn_irq_unfixup(struct pci_dev *pci_dev)
310 spin_lock(&sn_irq_info_lock); 333 spin_lock(&sn_irq_info_lock);
311 list_del_rcu(&sn_irq_info->list); 334 list_del_rcu(&sn_irq_info->list);
312 spin_unlock(&sn_irq_info_lock); 335 spin_unlock(&sn_irq_info_lock);
336 if (list_empty(sn_irq_lh[sn_irq_info->irq_irq]))
337 free_irq_vector(sn_irq_info->irq_irq);
313 call_rcu(&sn_irq_info->rcu, sn_irq_info_free); 338 call_rcu(&sn_irq_info->rcu, sn_irq_info_free);
314 pci_dev_put(pci_dev); 339 pci_dev_put(pci_dev);
340
315} 341}
316 342
317static inline void 343static inline void
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index b4b84c269210..7a291a271511 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -11,7 +11,7 @@
11 11
12#include <linux/module.h> 12#include <linux/module.h>
13#include <asm/dma.h> 13#include <asm/dma.h>
14#include <asm/sn/pcibr_provider.h> 14#include <asm/sn/intr.h>
15#include <asm/sn/pcibus_provider_defs.h> 15#include <asm/sn/pcibus_provider_defs.h>
16#include <asm/sn/pcidev.h> 16#include <asm/sn/pcidev.h>
17#include <asm/sn/sn_sal.h> 17#include <asm/sn/sn_sal.h>
@@ -113,7 +113,8 @@ void *sn_dma_alloc_coherent(struct device *dev, size_t size,
113 * resources. 113 * resources.
114 */ 114 */
115 115
116 *dma_handle = provider->dma_map_consistent(pdev, phys_addr, size); 116 *dma_handle = provider->dma_map_consistent(pdev, phys_addr, size,
117 SN_DMA_ADDR_PHYS);
117 if (!*dma_handle) { 118 if (!*dma_handle) {
118 printk(KERN_ERR "%s: out of ATEs\n", __FUNCTION__); 119 printk(KERN_ERR "%s: out of ATEs\n", __FUNCTION__);
119 free_pages((unsigned long)cpuaddr, get_order(size)); 120 free_pages((unsigned long)cpuaddr, get_order(size));
@@ -176,7 +177,7 @@ dma_addr_t sn_dma_map_single(struct device *dev, void *cpu_addr, size_t size,
176 BUG_ON(dev->bus != &pci_bus_type); 177 BUG_ON(dev->bus != &pci_bus_type);
177 178
178 phys_addr = __pa(cpu_addr); 179 phys_addr = __pa(cpu_addr);
179 dma_addr = provider->dma_map(pdev, phys_addr, size); 180 dma_addr = provider->dma_map(pdev, phys_addr, size, SN_DMA_ADDR_PHYS);
180 if (!dma_addr) { 181 if (!dma_addr) {
181 printk(KERN_ERR "%s: out of ATEs\n", __FUNCTION__); 182 printk(KERN_ERR "%s: out of ATEs\n", __FUNCTION__);
182 return 0; 183 return 0;
@@ -260,7 +261,8 @@ int sn_dma_map_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
260 for (i = 0; i < nhwentries; i++, sg++) { 261 for (i = 0; i < nhwentries; i++, sg++) {
261 phys_addr = SG_ENT_PHYS_ADDRESS(sg); 262 phys_addr = SG_ENT_PHYS_ADDRESS(sg);
262 sg->dma_address = provider->dma_map(pdev, 263 sg->dma_address = provider->dma_map(pdev,
263 phys_addr, sg->length); 264 phys_addr, sg->length,
265 SN_DMA_ADDR_PHYS);
264 266
265 if (!sg->dma_address) { 267 if (!sg->dma_address) {
266 printk(KERN_ERR "%s: out of ATEs\n", __FUNCTION__); 268 printk(KERN_ERR "%s: out of ATEs\n", __FUNCTION__);
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_dma.c b/arch/ia64/sn/pci/pcibr/pcibr_dma.c
index 9f86bb6519aa..a86c7b945962 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_dma.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_dma.c
@@ -41,7 +41,7 @@ extern int sn_ioif_inited;
41 41
42static dma_addr_t 42static dma_addr_t
43pcibr_dmamap_ate32(struct pcidev_info *info, 43pcibr_dmamap_ate32(struct pcidev_info *info,
44 u64 paddr, size_t req_size, u64 flags) 44 u64 paddr, size_t req_size, u64 flags, int dma_flags)
45{ 45{
46 46
47 struct pcidev_info *pcidev_info = info->pdi_host_pcidev_info; 47 struct pcidev_info *pcidev_info = info->pdi_host_pcidev_info;
@@ -81,9 +81,12 @@ pcibr_dmamap_ate32(struct pcidev_info *info,
81 if (IS_PCIX(pcibus_info)) 81 if (IS_PCIX(pcibus_info))
82 ate_flags &= ~(PCI32_ATE_PREF); 82 ate_flags &= ~(PCI32_ATE_PREF);
83 83
84 xio_addr = 84 if (SN_DMA_ADDRTYPE(dma_flags == SN_DMA_ADDR_PHYS))
85 IS_PIC_SOFT(pcibus_info) ? PHYS_TO_DMA(paddr) : 85 xio_addr = IS_PIC_SOFT(pcibus_info) ? PHYS_TO_DMA(paddr) :
86 PHYS_TO_TIODMA(paddr); 86 PHYS_TO_TIODMA(paddr);
87 else
88 xio_addr = paddr;
89
87 offset = IOPGOFF(xio_addr); 90 offset = IOPGOFF(xio_addr);
88 ate = ate_flags | (xio_addr - offset); 91 ate = ate_flags | (xio_addr - offset);
89 92
@@ -91,6 +94,13 @@ pcibr_dmamap_ate32(struct pcidev_info *info,
91 if (IS_PIC_SOFT(pcibus_info)) { 94 if (IS_PIC_SOFT(pcibus_info)) {
92 ate |= (pcibus_info->pbi_hub_xid << PIC_ATE_TARGETID_SHFT); 95 ate |= (pcibus_info->pbi_hub_xid << PIC_ATE_TARGETID_SHFT);
93 } 96 }
97
98 /*
99 * If we're mapping for MSI, set the MSI bit in the ATE
100 */
101 if (dma_flags & SN_DMA_MSI)
102 ate |= PCI32_ATE_MSI;
103
94 ate_write(pcibus_info, ate_index, ate_count, ate); 104 ate_write(pcibus_info, ate_index, ate_count, ate);
95 105
96 /* 106 /*
@@ -105,20 +115,27 @@ pcibr_dmamap_ate32(struct pcidev_info *info,
105 if (pcibus_info->pbi_devreg[internal_device] & PCIBR_DEV_SWAP_DIR) 115 if (pcibus_info->pbi_devreg[internal_device] & PCIBR_DEV_SWAP_DIR)
106 ATE_SWAP_ON(pci_addr); 116 ATE_SWAP_ON(pci_addr);
107 117
118
108 return pci_addr; 119 return pci_addr;
109} 120}
110 121
111static dma_addr_t 122static dma_addr_t
112pcibr_dmatrans_direct64(struct pcidev_info * info, u64 paddr, 123pcibr_dmatrans_direct64(struct pcidev_info * info, u64 paddr,
113 u64 dma_attributes) 124 u64 dma_attributes, int dma_flags)
114{ 125{
115 struct pcibus_info *pcibus_info = (struct pcibus_info *) 126 struct pcibus_info *pcibus_info = (struct pcibus_info *)
116 ((info->pdi_host_pcidev_info)->pdi_pcibus_info); 127 ((info->pdi_host_pcidev_info)->pdi_pcibus_info);
117 u64 pci_addr; 128 u64 pci_addr;
118 129
119 /* Translate to Crosstalk View of Physical Address */ 130 /* Translate to Crosstalk View of Physical Address */
120 pci_addr = (IS_PIC_SOFT(pcibus_info) ? PHYS_TO_DMA(paddr) : 131 if (SN_DMA_ADDRTYPE(dma_flags) == SN_DMA_ADDR_PHYS)
121 PHYS_TO_TIODMA(paddr)) | dma_attributes; 132 pci_addr = IS_PIC_SOFT(pcibus_info) ?
133 PHYS_TO_DMA(paddr) :
134 PHYS_TO_TIODMA(paddr) | dma_attributes;
135 else
136 pci_addr = IS_PIC_SOFT(pcibus_info) ?
137 paddr :
138 paddr | dma_attributes;
122 139
123 /* Handle Bus mode */ 140 /* Handle Bus mode */
124 if (IS_PCIX(pcibus_info)) 141 if (IS_PCIX(pcibus_info))
@@ -130,7 +147,9 @@ pcibr_dmatrans_direct64(struct pcidev_info * info, u64 paddr,
130 ((u64) pcibus_info-> 147 ((u64) pcibus_info->
131 pbi_hub_xid << PIC_PCI64_ATTR_TARG_SHFT); 148 pbi_hub_xid << PIC_PCI64_ATTR_TARG_SHFT);
132 } else 149 } else
133 pci_addr |= TIOCP_PCI64_CMDTYPE_MEM; 150 pci_addr |= (dma_flags & SN_DMA_MSI) ?
151 TIOCP_PCI64_CMDTYPE_MSI :
152 TIOCP_PCI64_CMDTYPE_MEM;
134 153
135 /* If PCI mode, func zero uses VCHAN0, every other func uses VCHAN1 */ 154 /* If PCI mode, func zero uses VCHAN0, every other func uses VCHAN1 */
136 if (!IS_PCIX(pcibus_info) && PCI_FUNC(info->pdi_linux_pcidev->devfn)) 155 if (!IS_PCIX(pcibus_info) && PCI_FUNC(info->pdi_linux_pcidev->devfn))
@@ -141,7 +160,7 @@ pcibr_dmatrans_direct64(struct pcidev_info * info, u64 paddr,
141 160
142static dma_addr_t 161static dma_addr_t
143pcibr_dmatrans_direct32(struct pcidev_info * info, 162pcibr_dmatrans_direct32(struct pcidev_info * info,
144 u64 paddr, size_t req_size, u64 flags) 163 u64 paddr, size_t req_size, u64 flags, int dma_flags)
145{ 164{
146 struct pcidev_info *pcidev_info = info->pdi_host_pcidev_info; 165 struct pcidev_info *pcidev_info = info->pdi_host_pcidev_info;
147 struct pcibus_info *pcibus_info = (struct pcibus_info *)pcidev_info-> 166 struct pcibus_info *pcibus_info = (struct pcibus_info *)pcidev_info->
@@ -156,8 +175,14 @@ pcibr_dmatrans_direct32(struct pcidev_info * info,
156 return 0; 175 return 0;
157 } 176 }
158 177
159 xio_addr = IS_PIC_SOFT(pcibus_info) ? PHYS_TO_DMA(paddr) : 178 if (dma_flags & SN_DMA_MSI)
160 PHYS_TO_TIODMA(paddr); 179 return 0;
180
181 if (SN_DMA_ADDRTYPE(dma_flags) == SN_DMA_ADDR_PHYS)
182 xio_addr = IS_PIC_SOFT(pcibus_info) ? PHYS_TO_DMA(paddr) :
183 PHYS_TO_TIODMA(paddr);
184 else
185 xio_addr = paddr;
161 186
162 xio_base = pcibus_info->pbi_dir_xbase; 187 xio_base = pcibus_info->pbi_dir_xbase;
163 offset = xio_addr - xio_base; 188 offset = xio_addr - xio_base;
@@ -327,7 +352,7 @@ void sn_dma_flush(u64 addr)
327 */ 352 */
328 353
329dma_addr_t 354dma_addr_t
330pcibr_dma_map(struct pci_dev * hwdev, unsigned long phys_addr, size_t size) 355pcibr_dma_map(struct pci_dev * hwdev, unsigned long phys_addr, size_t size, int dma_flags)
331{ 356{
332 dma_addr_t dma_handle; 357 dma_addr_t dma_handle;
333 struct pcidev_info *pcidev_info = SN_PCIDEV_INFO(hwdev); 358 struct pcidev_info *pcidev_info = SN_PCIDEV_INFO(hwdev);
@@ -344,11 +369,11 @@ pcibr_dma_map(struct pci_dev * hwdev, unsigned long phys_addr, size_t size)
344 */ 369 */
345 370
346 dma_handle = pcibr_dmatrans_direct64(pcidev_info, phys_addr, 371 dma_handle = pcibr_dmatrans_direct64(pcidev_info, phys_addr,
347 PCI64_ATTR_PREF); 372 PCI64_ATTR_PREF, dma_flags);
348 } else { 373 } else {
349 /* Handle 32-63 bit cards via direct mapping */ 374 /* Handle 32-63 bit cards via direct mapping */
350 dma_handle = pcibr_dmatrans_direct32(pcidev_info, phys_addr, 375 dma_handle = pcibr_dmatrans_direct32(pcidev_info, phys_addr,
351 size, 0); 376 size, 0, dma_flags);
352 if (!dma_handle) { 377 if (!dma_handle) {
353 /* 378 /*
354 * It is a 32 bit card and we cannot do direct mapping, 379 * It is a 32 bit card and we cannot do direct mapping,
@@ -356,7 +381,8 @@ pcibr_dma_map(struct pci_dev * hwdev, unsigned long phys_addr, size_t size)
356 */ 381 */
357 382
358 dma_handle = pcibr_dmamap_ate32(pcidev_info, phys_addr, 383 dma_handle = pcibr_dmamap_ate32(pcidev_info, phys_addr,
359 size, PCI32_ATE_PREF); 384 size, PCI32_ATE_PREF,
385 dma_flags);
360 } 386 }
361 } 387 }
362 388
@@ -365,18 +391,18 @@ pcibr_dma_map(struct pci_dev * hwdev, unsigned long phys_addr, size_t size)
365 391
366dma_addr_t 392dma_addr_t
367pcibr_dma_map_consistent(struct pci_dev * hwdev, unsigned long phys_addr, 393pcibr_dma_map_consistent(struct pci_dev * hwdev, unsigned long phys_addr,
368 size_t size) 394 size_t size, int dma_flags)
369{ 395{
370 dma_addr_t dma_handle; 396 dma_addr_t dma_handle;
371 struct pcidev_info *pcidev_info = SN_PCIDEV_INFO(hwdev); 397 struct pcidev_info *pcidev_info = SN_PCIDEV_INFO(hwdev);
372 398
373 if (hwdev->dev.coherent_dma_mask == ~0UL) { 399 if (hwdev->dev.coherent_dma_mask == ~0UL) {
374 dma_handle = pcibr_dmatrans_direct64(pcidev_info, phys_addr, 400 dma_handle = pcibr_dmatrans_direct64(pcidev_info, phys_addr,
375 PCI64_ATTR_BAR); 401 PCI64_ATTR_BAR, dma_flags);
376 } else { 402 } else {
377 dma_handle = (dma_addr_t) pcibr_dmamap_ate32(pcidev_info, 403 dma_handle = (dma_addr_t) pcibr_dmamap_ate32(pcidev_info,
378 phys_addr, size, 404 phys_addr, size,
379 PCI32_ATE_BAR); 405 PCI32_ATE_BAR, dma_flags);
380 } 406 }
381 407
382 return dma_handle; 408 return dma_handle;
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index be0176912968..20de72791b97 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -515,11 +515,17 @@ tioca_dma_unmap(struct pci_dev *pdev, dma_addr_t bus_addr, int dir)
515 * use the GART mapped mode. 515 * use the GART mapped mode.
516 */ 516 */
517static u64 517static u64
518tioca_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count) 518tioca_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count, int dma_flags)
519{ 519{
520 u64 mapaddr; 520 u64 mapaddr;
521 521
522 /* 522 /*
523 * Not supported for now ...
524 */
525 if (dma_flags & SN_DMA_MSI)
526 return 0;
527
528 /*
523 * If card is 64 or 48 bit addresable, use a direct mapping. 32 529 * If card is 64 or 48 bit addresable, use a direct mapping. 32
524 * bit direct is so restrictive w.r.t. where the memory resides that 530 * bit direct is so restrictive w.r.t. where the memory resides that
525 * we don't use it even though CA has some support. 531 * we don't use it even though CA has some support.
diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c
index 833295624e5d..4cac7bdc7c7f 100644
--- a/arch/ia64/sn/pci/tioce_provider.c
+++ b/arch/ia64/sn/pci/tioce_provider.c
@@ -170,7 +170,8 @@ tioce_mmr_war_post(struct tioce_kernel *kern, void *mmr_addr)
170 (ATE_PAGE((start)+(len)-1, pagesize) - ATE_PAGE(start, pagesize) + 1) 170 (ATE_PAGE((start)+(len)-1, pagesize) - ATE_PAGE(start, pagesize) + 1)
171 171
172#define ATE_VALID(ate) ((ate) & (1UL << 63)) 172#define ATE_VALID(ate) ((ate) & (1UL << 63))
173#define ATE_MAKE(addr, ps) (((addr) & ~ATE_PAGEMASK(ps)) | (1UL << 63)) 173#define ATE_MAKE(addr, ps, msi) \
174 (((addr) & ~ATE_PAGEMASK(ps)) | (1UL << 63) | ((msi)?(1UL << 62):0))
174 175
175/* 176/*
176 * Flavors of ate-based mapping supported by tioce_alloc_map() 177 * Flavors of ate-based mapping supported by tioce_alloc_map()
@@ -196,15 +197,17 @@ tioce_mmr_war_post(struct tioce_kernel *kern, void *mmr_addr)
196 * 197 *
197 * 63 - must be 1 to indicate d64 mode to CE hardware 198 * 63 - must be 1 to indicate d64 mode to CE hardware
198 * 62 - barrier bit ... controlled with tioce_dma_barrier() 199 * 62 - barrier bit ... controlled with tioce_dma_barrier()
199 * 61 - 0 since this is not an MSI transaction 200 * 61 - msi bit ... specified through dma_flags
200 * 60:54 - reserved, MBZ 201 * 60:54 - reserved, MBZ
201 */ 202 */
202static u64 203static u64
203tioce_dma_d64(unsigned long ct_addr) 204tioce_dma_d64(unsigned long ct_addr, int dma_flags)
204{ 205{
205 u64 bus_addr; 206 u64 bus_addr;
206 207
207 bus_addr = ct_addr | (1UL << 63); 208 bus_addr = ct_addr | (1UL << 63);
209 if (dma_flags & SN_DMA_MSI)
210 bus_addr |= (1UL << 61);
208 211
209 return bus_addr; 212 return bus_addr;
210} 213}
@@ -261,7 +264,7 @@ pcidev_to_tioce(struct pci_dev *pdev, struct tioce **base,
261 */ 264 */
262static u64 265static u64
263tioce_alloc_map(struct tioce_kernel *ce_kern, int type, int port, 266tioce_alloc_map(struct tioce_kernel *ce_kern, int type, int port,
264 u64 ct_addr, int len) 267 u64 ct_addr, int len, int dma_flags)
265{ 268{
266 int i; 269 int i;
267 int j; 270 int j;
@@ -270,6 +273,7 @@ tioce_alloc_map(struct tioce_kernel *ce_kern, int type, int port,
270 int entries; 273 int entries;
271 int nates; 274 int nates;
272 u64 pagesize; 275 u64 pagesize;
276 int msi_capable, msi_wanted;
273 u64 *ate_shadow; 277 u64 *ate_shadow;
274 u64 *ate_reg; 278 u64 *ate_reg;
275 u64 addr; 279 u64 addr;
@@ -291,6 +295,7 @@ tioce_alloc_map(struct tioce_kernel *ce_kern, int type, int port,
291 ate_reg = ce_mmr->ce_ure_ate3240; 295 ate_reg = ce_mmr->ce_ure_ate3240;
292 pagesize = ce_kern->ce_ate3240_pagesize; 296 pagesize = ce_kern->ce_ate3240_pagesize;
293 bus_base = TIOCE_M32_MIN; 297 bus_base = TIOCE_M32_MIN;
298 msi_capable = 1;
294 break; 299 break;
295 case TIOCE_ATE_M40: 300 case TIOCE_ATE_M40:
296 first = 0; 301 first = 0;
@@ -299,6 +304,7 @@ tioce_alloc_map(struct tioce_kernel *ce_kern, int type, int port,
299 ate_reg = ce_mmr->ce_ure_ate40; 304 ate_reg = ce_mmr->ce_ure_ate40;
300 pagesize = MB(64); 305 pagesize = MB(64);
301 bus_base = TIOCE_M40_MIN; 306 bus_base = TIOCE_M40_MIN;
307 msi_capable = 0;
302 break; 308 break;
303 case TIOCE_ATE_M40S: 309 case TIOCE_ATE_M40S:
304 /* 310 /*
@@ -311,11 +317,16 @@ tioce_alloc_map(struct tioce_kernel *ce_kern, int type, int port,
311 ate_reg = ce_mmr->ce_ure_ate3240; 317 ate_reg = ce_mmr->ce_ure_ate3240;
312 pagesize = GB(16); 318 pagesize = GB(16);
313 bus_base = TIOCE_M40S_MIN; 319 bus_base = TIOCE_M40S_MIN;
320 msi_capable = 0;
314 break; 321 break;
315 default: 322 default:
316 return 0; 323 return 0;
317 } 324 }
318 325
326 msi_wanted = dma_flags & SN_DMA_MSI;
327 if (msi_wanted && !msi_capable)
328 return 0;
329
319 nates = ATE_NPAGES(ct_addr, len, pagesize); 330 nates = ATE_NPAGES(ct_addr, len, pagesize);
320 if (nates > entries) 331 if (nates > entries)
321 return 0; 332 return 0;
@@ -344,7 +355,7 @@ tioce_alloc_map(struct tioce_kernel *ce_kern, int type, int port,
344 for (j = 0; j < nates; j++) { 355 for (j = 0; j < nates; j++) {
345 u64 ate; 356 u64 ate;
346 357
347 ate = ATE_MAKE(addr, pagesize); 358 ate = ATE_MAKE(addr, pagesize, msi_wanted);
348 ate_shadow[i + j] = ate; 359 ate_shadow[i + j] = ate;
349 tioce_mmr_storei(ce_kern, &ate_reg[i + j], ate); 360 tioce_mmr_storei(ce_kern, &ate_reg[i + j], ate);
350 addr += pagesize; 361 addr += pagesize;
@@ -371,7 +382,7 @@ tioce_alloc_map(struct tioce_kernel *ce_kern, int type, int port,
371 * Map @paddr into 32-bit bus space of the CE associated with @pcidev_info. 382 * Map @paddr into 32-bit bus space of the CE associated with @pcidev_info.
372 */ 383 */
373static u64 384static u64
374tioce_dma_d32(struct pci_dev *pdev, u64 ct_addr) 385tioce_dma_d32(struct pci_dev *pdev, u64 ct_addr, int dma_flags)
375{ 386{
376 int dma_ok; 387 int dma_ok;
377 int port; 388 int port;
@@ -381,6 +392,9 @@ tioce_dma_d32(struct pci_dev *pdev, u64 ct_addr)
381 u64 ct_lower; 392 u64 ct_lower;
382 dma_addr_t bus_addr; 393 dma_addr_t bus_addr;
383 394
395 if (dma_flags & SN_DMA_MSI)
396 return 0;
397
384 ct_upper = ct_addr & ~0x3fffffffUL; 398 ct_upper = ct_addr & ~0x3fffffffUL;
385 ct_lower = ct_addr & 0x3fffffffUL; 399 ct_lower = ct_addr & 0x3fffffffUL;
386 400
@@ -507,7 +521,7 @@ tioce_dma_unmap(struct pci_dev *pdev, dma_addr_t bus_addr, int dir)
507 */ 521 */
508static u64 522static u64
509tioce_do_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count, 523tioce_do_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count,
510 int barrier) 524 int barrier, int dma_flags)
511{ 525{
512 unsigned long flags; 526 unsigned long flags;
513 u64 ct_addr; 527 u64 ct_addr;
@@ -523,15 +537,18 @@ tioce_do_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count,
523 if (dma_mask < 0x7fffffffUL) 537 if (dma_mask < 0x7fffffffUL)
524 return 0; 538 return 0;
525 539
526 ct_addr = PHYS_TO_TIODMA(paddr); 540 if (SN_DMA_ADDRTYPE(dma_flags) == SN_DMA_ADDR_PHYS)
541 ct_addr = PHYS_TO_TIODMA(paddr);
542 else
543 ct_addr = paddr;
527 544
528 /* 545 /*
529 * If the device can generate 64 bit addresses, create a D64 map. 546 * If the device can generate 64 bit addresses, create a D64 map.
530 * Since this should never fail, bypass the rest of the checks.
531 */ 547 */
532 if (dma_mask == ~0UL) { 548 if (dma_mask == ~0UL) {
533 mapaddr = tioce_dma_d64(ct_addr); 549 mapaddr = tioce_dma_d64(ct_addr, dma_flags);
534 goto dma_map_done; 550 if (mapaddr)
551 goto dma_map_done;
535 } 552 }
536 553
537 pcidev_to_tioce(pdev, NULL, &ce_kern, &port); 554 pcidev_to_tioce(pdev, NULL, &ce_kern, &port);
@@ -574,18 +591,22 @@ tioce_do_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count,
574 591
575 if (byte_count > MB(64)) { 592 if (byte_count > MB(64)) {
576 mapaddr = tioce_alloc_map(ce_kern, TIOCE_ATE_M40S, 593 mapaddr = tioce_alloc_map(ce_kern, TIOCE_ATE_M40S,
577 port, ct_addr, byte_count); 594 port, ct_addr, byte_count,
595 dma_flags);
578 if (!mapaddr) 596 if (!mapaddr)
579 mapaddr = 597 mapaddr =
580 tioce_alloc_map(ce_kern, TIOCE_ATE_M40, -1, 598 tioce_alloc_map(ce_kern, TIOCE_ATE_M40, -1,
581 ct_addr, byte_count); 599 ct_addr, byte_count,
600 dma_flags);
582 } else { 601 } else {
583 mapaddr = tioce_alloc_map(ce_kern, TIOCE_ATE_M40, -1, 602 mapaddr = tioce_alloc_map(ce_kern, TIOCE_ATE_M40, -1,
584 ct_addr, byte_count); 603 ct_addr, byte_count,
604 dma_flags);
585 if (!mapaddr) 605 if (!mapaddr)
586 mapaddr = 606 mapaddr =
587 tioce_alloc_map(ce_kern, TIOCE_ATE_M40S, 607 tioce_alloc_map(ce_kern, TIOCE_ATE_M40S,
588 port, ct_addr, byte_count); 608 port, ct_addr, byte_count,
609 dma_flags);
589 } 610 }
590 } 611 }
591 612
@@ -593,7 +614,7 @@ tioce_do_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count,
593 * 32-bit direct is the next mode to try 614 * 32-bit direct is the next mode to try
594 */ 615 */
595 if (!mapaddr && dma_mask >= 0xffffffffUL) 616 if (!mapaddr && dma_mask >= 0xffffffffUL)
596 mapaddr = tioce_dma_d32(pdev, ct_addr); 617 mapaddr = tioce_dma_d32(pdev, ct_addr, dma_flags);
597 618
598 /* 619 /*
599 * Last resort, try 32-bit ATE-based map. 620 * Last resort, try 32-bit ATE-based map.
@@ -601,7 +622,7 @@ tioce_do_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count,
601 if (!mapaddr) 622 if (!mapaddr)
602 mapaddr = 623 mapaddr =
603 tioce_alloc_map(ce_kern, TIOCE_ATE_M32, -1, ct_addr, 624 tioce_alloc_map(ce_kern, TIOCE_ATE_M32, -1, ct_addr,
604 byte_count); 625 byte_count, dma_flags);
605 626
606 spin_unlock_irqrestore(&ce_kern->ce_lock, flags); 627 spin_unlock_irqrestore(&ce_kern->ce_lock, flags);
607 628
@@ -622,9 +643,9 @@ dma_map_done:
622 * in the address. 643 * in the address.
623 */ 644 */
624static u64 645static u64
625tioce_dma(struct pci_dev *pdev, u64 paddr, size_t byte_count) 646tioce_dma(struct pci_dev *pdev, u64 paddr, size_t byte_count, int dma_flags)
626{ 647{
627 return tioce_do_dma_map(pdev, paddr, byte_count, 0); 648 return tioce_do_dma_map(pdev, paddr, byte_count, 0, dma_flags);
628} 649}
629 650
630/** 651/**
@@ -636,9 +657,9 @@ tioce_dma(struct pci_dev *pdev, u64 paddr, size_t byte_count)
636 * Simply call tioce_do_dma_map() to create a map with the barrier bit set 657 * Simply call tioce_do_dma_map() to create a map with the barrier bit set
637 * in the address. 658 * in the address.
638 */ static u64 659 */ static u64
639tioce_dma_consistent(struct pci_dev *pdev, u64 paddr, size_t byte_count) 660tioce_dma_consistent(struct pci_dev *pdev, u64 paddr, size_t byte_count, int dma_flags)
640{ 661{
641 return tioce_do_dma_map(pdev, paddr, byte_count, 1); 662 return tioce_do_dma_map(pdev, paddr, byte_count, 1, dma_flags);
642} 663}
643 664
644/** 665/**
@@ -696,7 +717,7 @@ tioce_reserve_m32(struct tioce_kernel *ce_kern, u64 base, u64 limit)
696 while (ate_index <= last_ate) { 717 while (ate_index <= last_ate) {
697 u64 ate; 718 u64 ate;
698 719
699 ate = ATE_MAKE(0xdeadbeef, ps); 720 ate = ATE_MAKE(0xdeadbeef, ps, 0);
700 ce_kern->ce_ate3240_shadow[ate_index] = ate; 721 ce_kern->ce_ate3240_shadow[ate_index] = ate;
701 tioce_mmr_storei(ce_kern, &ce_mmr->ce_ure_ate3240[ate_index], 722 tioce_mmr_storei(ce_kern, &ce_mmr->ce_ure_ate3240[ate_index],
702 ate); 723 ate);
diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
index c9e0aeeca3d8..4368dc3f3c30 100644
--- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
+++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
@@ -379,13 +379,12 @@ mpc85xx_cds_pcibios_fixup(void)
379 PCI_DEVICE_ID_VIA_82C586_2, NULL))) { 379 PCI_DEVICE_ID_VIA_82C586_2, NULL))) {
380 dev->irq = 10; 380 dev->irq = 10;
381 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 10); 381 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 10);
382 pci_dev_put(dev);
383 }
384 382
385 if ((dev = pci_get_device(PCI_VENDOR_ID_VIA, 383 if ((dev = pci_get_device(PCI_VENDOR_ID_VIA,
386 PCI_DEVICE_ID_VIA_82C586_2, dev))) { 384 PCI_DEVICE_ID_VIA_82C586_2, dev))) {
387 dev->irq = 11; 385 dev->irq = 11;
388 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 11); 386 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 11);
387 }
389 pci_dev_put(dev); 388 pci_dev_put(dev);
390 } 389 }
391} 390}
diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
index a2060e4d5de6..3c55c76c6fd5 100644
--- a/arch/x86_64/pci/mmconfig.c
+++ b/arch/x86_64/pci/mmconfig.c
@@ -13,7 +13,10 @@
13 13
14#include "pci.h" 14#include "pci.h"
15 15
16#define MMCONFIG_APER_SIZE (256*1024*1024) 16/* aperture is up to 256MB but BIOS may reserve less */
17#define MMCONFIG_APER_MIN (2 * 1024*1024)
18#define MMCONFIG_APER_MAX (256 * 1024*1024)
19
17/* Verify the first 16 busses. We assume that systems with more busses 20/* Verify the first 16 busses. We assume that systems with more busses
18 get MCFG right. */ 21 get MCFG right. */
19#define MAX_CHECK_BUS 16 22#define MAX_CHECK_BUS 16
@@ -175,9 +178,10 @@ void __init pci_mmcfg_init(void)
175 return; 178 return;
176 179
177 if (!e820_all_mapped(pci_mmcfg_config[0].base_address, 180 if (!e820_all_mapped(pci_mmcfg_config[0].base_address,
178 pci_mmcfg_config[0].base_address + MMCONFIG_APER_SIZE, 181 pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN,
179 E820_RESERVED)) { 182 E820_RESERVED)) {
180 printk(KERN_ERR "PCI: BIOS Bug: MCFG area is not E820-reserved\n"); 183 printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n",
184 pci_mmcfg_config[0].base_address);
181 printk(KERN_ERR "PCI: Not using MMCONFIG.\n"); 185 printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
182 return; 186 return;
183 } 187 }
@@ -190,7 +194,8 @@ void __init pci_mmcfg_init(void)
190 } 194 }
191 for (i = 0; i < pci_mmcfg_config_num; ++i) { 195 for (i = 0; i < pci_mmcfg_config_num; ++i) {
192 pci_mmcfg_virt[i].cfg = &pci_mmcfg_config[i]; 196 pci_mmcfg_virt[i].cfg = &pci_mmcfg_config[i];
193 pci_mmcfg_virt[i].virt = ioremap_nocache(pci_mmcfg_config[i].base_address, MMCONFIG_APER_SIZE); 197 pci_mmcfg_virt[i].virt = ioremap_nocache(pci_mmcfg_config[i].base_address,
198 MMCONFIG_APER_MAX);
194 if (!pci_mmcfg_virt[i].virt) { 199 if (!pci_mmcfg_virt[i].virt) {
195 printk("PCI: Cannot map mmconfig aperture for segment %d\n", 200 printk("PCI: Cannot map mmconfig aperture for segment %d\n",
196 pci_mmcfg_config[i].pci_segment_group_number); 201 pci_mmcfg_config[i].pci_segment_group_number);
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 6707df968934..f2d152b818f0 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -26,7 +26,11 @@ obj-$(CONFIG_PPC32) += setup-irq.o
26obj-$(CONFIG_PPC64) += setup-bus.o 26obj-$(CONFIG_PPC64) += setup-bus.o
27obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o 27obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o
28obj-$(CONFIG_X86_VISWS) += setup-irq.o 28obj-$(CONFIG_X86_VISWS) += setup-irq.o
29obj-$(CONFIG_PCI_MSI) += msi.o 29
30msiobj-y := msi.o msi-apic.o
31msiobj-$(CONFIG_IA64_GENERIC) += msi-altix.o
32msiobj-$(CONFIG_IA64_SGI_SN2) += msi-altix.o
33obj-$(CONFIG_PCI_MSI) += $(msiobj-y)
30 34
31# 35#
32# ACPI Related PCI FW Functions 36# ACPI Related PCI FW Functions
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index eed67d9e73bc..723092682023 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -81,9 +81,9 @@ void __devinit pci_bus_add_device(struct pci_dev *dev)
81{ 81{
82 device_add(&dev->dev); 82 device_add(&dev->dev);
83 83
84 spin_lock(&pci_bus_lock); 84 down_write(&pci_bus_sem);
85 list_add_tail(&dev->global_list, &pci_devices); 85 list_add_tail(&dev->global_list, &pci_devices);
86 spin_unlock(&pci_bus_lock); 86 up_write(&pci_bus_sem);
87 87
88 pci_proc_attach_device(dev); 88 pci_proc_attach_device(dev);
89 pci_create_sysfs_dev_files(dev); 89 pci_create_sysfs_dev_files(dev);
@@ -125,10 +125,10 @@ void __devinit pci_bus_add_devices(struct pci_bus *bus)
125 */ 125 */
126 if (dev->subordinate) { 126 if (dev->subordinate) {
127 if (list_empty(&dev->subordinate->node)) { 127 if (list_empty(&dev->subordinate->node)) {
128 spin_lock(&pci_bus_lock); 128 down_write(&pci_bus_sem);
129 list_add_tail(&dev->subordinate->node, 129 list_add_tail(&dev->subordinate->node,
130 &dev->bus->children); 130 &dev->bus->children);
131 spin_unlock(&pci_bus_lock); 131 up_write(&pci_bus_sem);
132 } 132 }
133 pci_bus_add_devices(dev->subordinate); 133 pci_bus_add_devices(dev->subordinate);
134 134
@@ -168,7 +168,7 @@ void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *),
168 struct list_head *next; 168 struct list_head *next;
169 169
170 bus = top; 170 bus = top;
171 spin_lock(&pci_bus_lock); 171 down_read(&pci_bus_sem);
172 next = top->devices.next; 172 next = top->devices.next;
173 for (;;) { 173 for (;;) {
174 if (next == &bus->devices) { 174 if (next == &bus->devices) {
@@ -180,22 +180,19 @@ void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *),
180 continue; 180 continue;
181 } 181 }
182 dev = list_entry(next, struct pci_dev, bus_list); 182 dev = list_entry(next, struct pci_dev, bus_list);
183 pci_dev_get(dev);
184 if (dev->subordinate) { 183 if (dev->subordinate) {
185 /* this is a pci-pci bridge, do its devices next */ 184 /* this is a pci-pci bridge, do its devices next */
186 next = dev->subordinate->devices.next; 185 next = dev->subordinate->devices.next;
187 bus = dev->subordinate; 186 bus = dev->subordinate;
188 } else 187 } else
189 next = dev->bus_list.next; 188 next = dev->bus_list.next;
190 spin_unlock(&pci_bus_lock);
191 189
192 /* Run device routines with the bus unlocked */ 190 /* Run device routines with the device locked */
191 down(&dev->dev.sem);
193 cb(dev, userdata); 192 cb(dev, userdata);
194 193 up(&dev->dev.sem);
195 spin_lock(&pci_bus_lock);
196 pci_dev_put(dev);
197 } 194 }
198 spin_unlock(&pci_bus_lock); 195 up_read(&pci_bus_sem);
199} 196}
200EXPORT_SYMBOL_GPL(pci_walk_bus); 197EXPORT_SYMBOL_GPL(pci_walk_bus);
201 198
diff --git a/drivers/pci/msi-altix.c b/drivers/pci/msi-altix.c
new file mode 100644
index 000000000000..bed4183a5e39
--- /dev/null
+++ b/drivers/pci/msi-altix.c
@@ -0,0 +1,210 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2006 Silicon Graphics, Inc. All Rights Reserved.
7 */
8
9#include <linux/types.h>
10#include <linux/pci.h>
11#include <linux/cpumask.h>
12
13#include <asm/sn/addrs.h>
14#include <asm/sn/intr.h>
15#include <asm/sn/pcibus_provider_defs.h>
16#include <asm/sn/pcidev.h>
17#include <asm/sn/nodepda.h>
18
19#include "msi.h"
20
21struct sn_msi_info {
22 u64 pci_addr;
23 struct sn_irq_info *sn_irq_info;
24};
25
26static struct sn_msi_info *sn_msi_info;
27
28static void
29sn_msi_teardown(unsigned int vector)
30{
31 nasid_t nasid;
32 int widget;
33 struct pci_dev *pdev;
34 struct pcidev_info *sn_pdev;
35 struct sn_irq_info *sn_irq_info;
36 struct pcibus_bussoft *bussoft;
37 struct sn_pcibus_provider *provider;
38
39 sn_irq_info = sn_msi_info[vector].sn_irq_info;
40 if (sn_irq_info == NULL || sn_irq_info->irq_int_bit >= 0)
41 return;
42
43 sn_pdev = (struct pcidev_info *)sn_irq_info->irq_pciioinfo;
44 pdev = sn_pdev->pdi_linux_pcidev;
45 provider = SN_PCIDEV_BUSPROVIDER(pdev);
46
47 (*provider->dma_unmap)(pdev,
48 sn_msi_info[vector].pci_addr,
49 PCI_DMA_FROMDEVICE);
50 sn_msi_info[vector].pci_addr = 0;
51
52 bussoft = SN_PCIDEV_BUSSOFT(pdev);
53 nasid = NASID_GET(bussoft->bs_base);
54 widget = (nasid & 1) ?
55 TIO_SWIN_WIDGETNUM(bussoft->bs_base) :
56 SWIN_WIDGETNUM(bussoft->bs_base);
57
58 sn_intr_free(nasid, widget, sn_irq_info);
59 sn_msi_info[vector].sn_irq_info = NULL;
60
61 return;
62}
63
64int
65sn_msi_setup(struct pci_dev *pdev, unsigned int vector,
66 u32 *addr_hi, u32 *addr_lo, u32 *data)
67{
68 int widget;
69 int status;
70 nasid_t nasid;
71 u64 bus_addr;
72 struct sn_irq_info *sn_irq_info;
73 struct pcibus_bussoft *bussoft = SN_PCIDEV_BUSSOFT(pdev);
74 struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);
75
76 if (bussoft == NULL)
77 return -EINVAL;
78
79 if (provider == NULL || provider->dma_map_consistent == NULL)
80 return -EINVAL;
81
82 /*
83 * Set up the vector plumbing. Let the prom (via sn_intr_alloc)
84 * decide which cpu to direct this msi at by default.
85 */
86
87 nasid = NASID_GET(bussoft->bs_base);
88 widget = (nasid & 1) ?
89 TIO_SWIN_WIDGETNUM(bussoft->bs_base) :
90 SWIN_WIDGETNUM(bussoft->bs_base);
91
92 sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
93 if (! sn_irq_info)
94 return -ENOMEM;
95
96 status = sn_intr_alloc(nasid, widget, sn_irq_info, vector, -1, -1);
97 if (status) {
98 kfree(sn_irq_info);
99 return -ENOMEM;
100 }
101
102 sn_irq_info->irq_int_bit = -1; /* mark this as an MSI irq */
103 sn_irq_fixup(pdev, sn_irq_info);
104
105 /* Prom probably should fill these in, but doesn't ... */
106 sn_irq_info->irq_bridge_type = bussoft->bs_asic_type;
107 sn_irq_info->irq_bridge = (void *)bussoft->bs_base;
108
109 /*
110 * Map the xio address into bus space
111 */
112 bus_addr = (*provider->dma_map_consistent)(pdev,
113 sn_irq_info->irq_xtalkaddr,
114 sizeof(sn_irq_info->irq_xtalkaddr),
115 SN_DMA_MSI|SN_DMA_ADDR_XIO);
116 if (! bus_addr) {
117 sn_intr_free(nasid, widget, sn_irq_info);
118 kfree(sn_irq_info);
119 return -ENOMEM;
120 }
121
122 sn_msi_info[vector].sn_irq_info = sn_irq_info;
123 sn_msi_info[vector].pci_addr = bus_addr;
124
125 *addr_hi = (u32)(bus_addr >> 32);
126 *addr_lo = (u32)(bus_addr & 0x00000000ffffffff);
127
128 /*
129 * In the SN platform, bit 16 is a "send vector" bit which
130 * must be present in order to move the vector through the system.
131 */
132 *data = 0x100 + (unsigned int)vector;
133
134#ifdef CONFIG_SMP
135 set_irq_affinity_info((vector & 0xff), sn_irq_info->irq_cpuid, 0);
136#endif
137
138 return 0;
139}
140
141static void
142sn_msi_target(unsigned int vector, unsigned int cpu,
143 u32 *addr_hi, u32 *addr_lo)
144{
145 int slice;
146 nasid_t nasid;
147 u64 bus_addr;
148 struct pci_dev *pdev;
149 struct pcidev_info *sn_pdev;
150 struct sn_irq_info *sn_irq_info;
151 struct sn_irq_info *new_irq_info;
152 struct sn_pcibus_provider *provider;
153
154 sn_irq_info = sn_msi_info[vector].sn_irq_info;
155 if (sn_irq_info == NULL || sn_irq_info->irq_int_bit >= 0)
156 return;
157
158 /*
159 * Release XIO resources for the old MSI PCI address
160 */
161
162 sn_pdev = (struct pcidev_info *)sn_irq_info->irq_pciioinfo;
163 pdev = sn_pdev->pdi_linux_pcidev;
164 provider = SN_PCIDEV_BUSPROVIDER(pdev);
165
166 bus_addr = (u64)(*addr_hi) << 32 | (u64)(*addr_lo);
167 (*provider->dma_unmap)(pdev, bus_addr, PCI_DMA_FROMDEVICE);
168 sn_msi_info[vector].pci_addr = 0;
169
170 nasid = cpuid_to_nasid(cpu);
171 slice = cpuid_to_slice(cpu);
172
173 new_irq_info = sn_retarget_vector(sn_irq_info, nasid, slice);
174 sn_msi_info[vector].sn_irq_info = new_irq_info;
175 if (new_irq_info == NULL)
176 return;
177
178 /*
179 * Map the xio address into bus space
180 */
181
182 bus_addr = (*provider->dma_map_consistent)(pdev,
183 new_irq_info->irq_xtalkaddr,
184 sizeof(new_irq_info->irq_xtalkaddr),
185 SN_DMA_MSI|SN_DMA_ADDR_XIO);
186
187 sn_msi_info[vector].pci_addr = bus_addr;
188 *addr_hi = (u32)(bus_addr >> 32);
189 *addr_lo = (u32)(bus_addr & 0x00000000ffffffff);
190}
191
192struct msi_ops sn_msi_ops = {
193 .setup = sn_msi_setup,
194 .teardown = sn_msi_teardown,
195#ifdef CONFIG_SMP
196 .target = sn_msi_target,
197#endif
198};
199
200int
201sn_msi_init(void)
202{
203 sn_msi_info =
204 kzalloc(sizeof(struct sn_msi_info) * NR_VECTORS, GFP_KERNEL);
205 if (! sn_msi_info)
206 return -ENOMEM;
207
208 msi_register(&sn_msi_ops);
209 return 0;
210}
diff --git a/drivers/pci/msi-apic.c b/drivers/pci/msi-apic.c
new file mode 100644
index 000000000000..0eb5fe9003a2
--- /dev/null
+++ b/drivers/pci/msi-apic.c
@@ -0,0 +1,100 @@
1/*
2 * MSI hooks for standard x86 apic
3 */
4
5#include <linux/pci.h>
6#include <linux/irq.h>
7
8#include "msi.h"
9
10/*
11 * Shifts for APIC-based data
12 */
13
14#define MSI_DATA_VECTOR_SHIFT 0
15#define MSI_DATA_VECTOR(v) (((u8)v) << MSI_DATA_VECTOR_SHIFT)
16
17#define MSI_DATA_DELIVERY_SHIFT 8
18#define MSI_DATA_DELIVERY_FIXED (0 << MSI_DATA_DELIVERY_SHIFT)
19#define MSI_DATA_DELIVERY_LOWPRI (1 << MSI_DATA_DELIVERY_SHIFT)
20
21#define MSI_DATA_LEVEL_SHIFT 14
22#define MSI_DATA_LEVEL_DEASSERT (0 << MSI_DATA_LEVEL_SHIFT)
23#define MSI_DATA_LEVEL_ASSERT (1 << MSI_DATA_LEVEL_SHIFT)
24
25#define MSI_DATA_TRIGGER_SHIFT 15
26#define MSI_DATA_TRIGGER_EDGE (0 << MSI_DATA_TRIGGER_SHIFT)
27#define MSI_DATA_TRIGGER_LEVEL (1 << MSI_DATA_TRIGGER_SHIFT)
28
29/*
30 * Shift/mask fields for APIC-based bus address
31 */
32
33#define MSI_ADDR_HEADER 0xfee00000
34
35#define MSI_ADDR_DESTID_MASK 0xfff0000f
36#define MSI_ADDR_DESTID_CPU(cpu) ((cpu) << MSI_TARGET_CPU_SHIFT)
37
38#define MSI_ADDR_DESTMODE_SHIFT 2
39#define MSI_ADDR_DESTMODE_PHYS (0 << MSI_ADDR_DESTMODE_SHIFT)
40#define MSI_ADDR_DESTMODE_LOGIC (1 << MSI_ADDR_DESTMODE_SHIFT)
41
42#define MSI_ADDR_REDIRECTION_SHIFT 3
43#define MSI_ADDR_REDIRECTION_CPU (0 << MSI_ADDR_REDIRECTION_SHIFT)
44#define MSI_ADDR_REDIRECTION_LOWPRI (1 << MSI_ADDR_REDIRECTION_SHIFT)
45
46
47static void
48msi_target_apic(unsigned int vector,
49 unsigned int dest_cpu,
50 u32 *address_hi, /* in/out */
51 u32 *address_lo) /* in/out */
52{
53 u32 addr = *address_lo;
54
55 addr &= MSI_ADDR_DESTID_MASK;
56 addr |= MSI_ADDR_DESTID_CPU(cpu_physical_id(dest_cpu));
57
58 *address_lo = addr;
59}
60
61static int
62msi_setup_apic(struct pci_dev *pdev, /* unused in generic */
63 unsigned int vector,
64 u32 *address_hi,
65 u32 *address_lo,
66 u32 *data)
67{
68 unsigned long dest_phys_id;
69
70 dest_phys_id = cpu_physical_id(first_cpu(cpu_online_map));
71
72 *address_hi = 0;
73 *address_lo = MSI_ADDR_HEADER |
74 MSI_ADDR_DESTMODE_PHYS |
75 MSI_ADDR_REDIRECTION_CPU |
76 MSI_ADDR_DESTID_CPU(dest_phys_id);
77
78 *data = MSI_DATA_TRIGGER_EDGE |
79 MSI_DATA_LEVEL_ASSERT |
80 MSI_DATA_DELIVERY_FIXED |
81 MSI_DATA_VECTOR(vector);
82
83 return 0;
84}
85
86static void
87msi_teardown_apic(unsigned int vector)
88{
89 return; /* no-op */
90}
91
92/*
93 * Generic ops used on most IA archs/platforms. Set with msi_register()
94 */
95
96struct msi_ops msi_apic_ops = {
97 .setup = msi_setup_apic,
98 .teardown = msi_teardown_apic,
99 .target = msi_target_apic,
100};
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 9855c4c920b8..7f8429284fab 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -23,8 +23,6 @@
23#include "pci.h" 23#include "pci.h"
24#include "msi.h" 24#include "msi.h"
25 25
26#define MSI_TARGET_CPU first_cpu(cpu_online_map)
27
28static DEFINE_SPINLOCK(msi_lock); 26static DEFINE_SPINLOCK(msi_lock);
29static struct msi_desc* msi_desc[NR_IRQS] = { [0 ... NR_IRQS-1] = NULL }; 27static struct msi_desc* msi_desc[NR_IRQS] = { [0 ... NR_IRQS-1] = NULL };
30static kmem_cache_t* msi_cachep; 28static kmem_cache_t* msi_cachep;
@@ -37,9 +35,17 @@ static int nr_msix_devices;
37 35
38#ifndef CONFIG_X86_IO_APIC 36#ifndef CONFIG_X86_IO_APIC
39int vector_irq[NR_VECTORS] = { [0 ... NR_VECTORS - 1] = -1}; 37int vector_irq[NR_VECTORS] = { [0 ... NR_VECTORS - 1] = -1};
40u8 irq_vector[NR_IRQ_VECTORS] = { FIRST_DEVICE_VECTOR , 0 };
41#endif 38#endif
42 39
40static struct msi_ops *msi_ops;
41
42int
43msi_register(struct msi_ops *ops)
44{
45 msi_ops = ops;
46 return 0;
47}
48
43static void msi_cache_ctor(void *p, kmem_cache_t *cache, unsigned long flags) 49static void msi_cache_ctor(void *p, kmem_cache_t *cache, unsigned long flags)
44{ 50{
45 memset(p, 0, NR_IRQS * sizeof(struct msi_desc)); 51 memset(p, 0, NR_IRQS * sizeof(struct msi_desc));
@@ -92,7 +98,7 @@ static void msi_set_mask_bit(unsigned int vector, int flag)
92static void set_msi_affinity(unsigned int vector, cpumask_t cpu_mask) 98static void set_msi_affinity(unsigned int vector, cpumask_t cpu_mask)
93{ 99{
94 struct msi_desc *entry; 100 struct msi_desc *entry;
95 struct msg_address address; 101 u32 address_hi, address_lo;
96 unsigned int irq = vector; 102 unsigned int irq = vector;
97 unsigned int dest_cpu = first_cpu(cpu_mask); 103 unsigned int dest_cpu = first_cpu(cpu_mask);
98 104
@@ -108,28 +114,36 @@ static void set_msi_affinity(unsigned int vector, cpumask_t cpu_mask)
108 if (!pos) 114 if (!pos)
109 return; 115 return;
110 116
117 pci_read_config_dword(entry->dev, msi_upper_address_reg(pos),
118 &address_hi);
111 pci_read_config_dword(entry->dev, msi_lower_address_reg(pos), 119 pci_read_config_dword(entry->dev, msi_lower_address_reg(pos),
112 &address.lo_address.value); 120 &address_lo);
113 address.lo_address.value &= MSI_ADDRESS_DEST_ID_MASK; 121
114 address.lo_address.value |= (cpu_physical_id(dest_cpu) << 122 msi_ops->target(vector, dest_cpu, &address_hi, &address_lo);
115 MSI_TARGET_CPU_SHIFT); 123
116 entry->msi_attrib.current_cpu = cpu_physical_id(dest_cpu); 124 pci_write_config_dword(entry->dev, msi_upper_address_reg(pos),
125 address_hi);
117 pci_write_config_dword(entry->dev, msi_lower_address_reg(pos), 126 pci_write_config_dword(entry->dev, msi_lower_address_reg(pos),
118 address.lo_address.value); 127 address_lo);
119 set_native_irq_info(irq, cpu_mask); 128 set_native_irq_info(irq, cpu_mask);
120 break; 129 break;
121 } 130 }
122 case PCI_CAP_ID_MSIX: 131 case PCI_CAP_ID_MSIX:
123 { 132 {
124 int offset = entry->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE + 133 int offset_hi =
125 PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET; 134 entry->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE +
126 135 PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET;
127 address.lo_address.value = readl(entry->mask_base + offset); 136 int offset_lo =
128 address.lo_address.value &= MSI_ADDRESS_DEST_ID_MASK; 137 entry->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE +
129 address.lo_address.value |= (cpu_physical_id(dest_cpu) << 138 PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET;
130 MSI_TARGET_CPU_SHIFT); 139
131 entry->msi_attrib.current_cpu = cpu_physical_id(dest_cpu); 140 address_hi = readl(entry->mask_base + offset_hi);
132 writel(address.lo_address.value, entry->mask_base + offset); 141 address_lo = readl(entry->mask_base + offset_lo);
142
143 msi_ops->target(vector, dest_cpu, &address_hi, &address_lo);
144
145 writel(address_hi, entry->mask_base + offset_hi);
146 writel(address_lo, entry->mask_base + offset_lo);
133 set_native_irq_info(irq, cpu_mask); 147 set_native_irq_info(irq, cpu_mask);
134 break; 148 break;
135 } 149 }
@@ -251,30 +265,6 @@ static struct hw_interrupt_type msi_irq_wo_maskbit_type = {
251 .set_affinity = set_msi_affinity 265 .set_affinity = set_msi_affinity
252}; 266};
253 267
254static void msi_data_init(struct msg_data *msi_data,
255 unsigned int vector)
256{
257 memset(msi_data, 0, sizeof(struct msg_data));
258 msi_data->vector = (u8)vector;
259 msi_data->delivery_mode = MSI_DELIVERY_MODE;
260 msi_data->level = MSI_LEVEL_MODE;
261 msi_data->trigger = MSI_TRIGGER_MODE;
262}
263
264static void msi_address_init(struct msg_address *msi_address)
265{
266 unsigned int dest_id;
267 unsigned long dest_phys_id = cpu_physical_id(MSI_TARGET_CPU);
268
269 memset(msi_address, 0, sizeof(struct msg_address));
270 msi_address->hi_address = (u32)0;
271 dest_id = (MSI_ADDRESS_HEADER << MSI_ADDRESS_HEADER_SHIFT);
272 msi_address->lo_address.u.dest_mode = MSI_PHYSICAL_MODE;
273 msi_address->lo_address.u.redirection_hint = MSI_REDIRECTION_HINT_MODE;
274 msi_address->lo_address.u.dest_id = dest_id;
275 msi_address->lo_address.value |= (dest_phys_id << MSI_TARGET_CPU_SHIFT);
276}
277
278static int msi_free_vector(struct pci_dev* dev, int vector, int reassign); 268static int msi_free_vector(struct pci_dev* dev, int vector, int reassign);
279static int assign_msi_vector(void) 269static int assign_msi_vector(void)
280{ 270{
@@ -369,13 +359,29 @@ static int msi_init(void)
369 return status; 359 return status;
370 } 360 }
371 361
362 status = msi_arch_init();
363 if (status < 0) {
364 pci_msi_enable = 0;
365 printk(KERN_WARNING
366 "PCI: MSI arch init failed. MSI disabled.\n");
367 return status;
368 }
369
370 if (! msi_ops) {
371 printk(KERN_WARNING
372 "PCI: MSI ops not registered. MSI disabled.\n");
373 status = -EINVAL;
374 return status;
375 }
376
377 last_alloc_vector = assign_irq_vector(AUTO_ASSIGN);
372 status = msi_cache_init(); 378 status = msi_cache_init();
373 if (status < 0) { 379 if (status < 0) {
374 pci_msi_enable = 0; 380 pci_msi_enable = 0;
375 printk(KERN_WARNING "PCI: MSI cache init failed\n"); 381 printk(KERN_WARNING "PCI: MSI cache init failed\n");
376 return status; 382 return status;
377 } 383 }
378 last_alloc_vector = assign_irq_vector(AUTO_ASSIGN); 384
379 if (last_alloc_vector < 0) { 385 if (last_alloc_vector < 0) {
380 pci_msi_enable = 0; 386 pci_msi_enable = 0;
381 printk(KERN_WARNING "PCI: No interrupt vectors available for MSI\n"); 387 printk(KERN_WARNING "PCI: No interrupt vectors available for MSI\n");
@@ -442,9 +448,11 @@ static void enable_msi_mode(struct pci_dev *dev, int pos, int type)
442 /* Set enabled bits to single MSI & enable MSI_enable bit */ 448 /* Set enabled bits to single MSI & enable MSI_enable bit */
443 msi_enable(control, 1); 449 msi_enable(control, 1);
444 pci_write_config_word(dev, msi_control_reg(pos), control); 450 pci_write_config_word(dev, msi_control_reg(pos), control);
451 dev->msi_enabled = 1;
445 } else { 452 } else {
446 msix_enable(control); 453 msix_enable(control);
447 pci_write_config_word(dev, msi_control_reg(pos), control); 454 pci_write_config_word(dev, msi_control_reg(pos), control);
455 dev->msix_enabled = 1;
448 } 456 }
449 if (pci_find_capability(dev, PCI_CAP_ID_EXP)) { 457 if (pci_find_capability(dev, PCI_CAP_ID_EXP)) {
450 /* PCI Express Endpoint device detected */ 458 /* PCI Express Endpoint device detected */
@@ -461,9 +469,11 @@ void disable_msi_mode(struct pci_dev *dev, int pos, int type)
461 /* Set enabled bits to single MSI & enable MSI_enable bit */ 469 /* Set enabled bits to single MSI & enable MSI_enable bit */
462 msi_disable(control); 470 msi_disable(control);
463 pci_write_config_word(dev, msi_control_reg(pos), control); 471 pci_write_config_word(dev, msi_control_reg(pos), control);
472 dev->msi_enabled = 0;
464 } else { 473 } else {
465 msix_disable(control); 474 msix_disable(control);
466 pci_write_config_word(dev, msi_control_reg(pos), control); 475 pci_write_config_word(dev, msi_control_reg(pos), control);
476 dev->msix_enabled = 0;
467 } 477 }
468 if (pci_find_capability(dev, PCI_CAP_ID_EXP)) { 478 if (pci_find_capability(dev, PCI_CAP_ID_EXP)) {
469 /* PCI Express Endpoint device detected */ 479 /* PCI Express Endpoint device detected */
@@ -538,7 +548,6 @@ int pci_save_msi_state(struct pci_dev *dev)
538 pci_read_config_dword(dev, pos + PCI_MSI_DATA_32, &cap[i++]); 548 pci_read_config_dword(dev, pos + PCI_MSI_DATA_32, &cap[i++]);
539 if (control & PCI_MSI_FLAGS_MASKBIT) 549 if (control & PCI_MSI_FLAGS_MASKBIT)
540 pci_read_config_dword(dev, pos + PCI_MSI_MASK_BIT, &cap[i++]); 550 pci_read_config_dword(dev, pos + PCI_MSI_MASK_BIT, &cap[i++]);
541 disable_msi_mode(dev, pos, PCI_CAP_ID_MSI);
542 save_state->cap_nr = PCI_CAP_ID_MSI; 551 save_state->cap_nr = PCI_CAP_ID_MSI;
543 pci_add_saved_cap(dev, save_state); 552 pci_add_saved_cap(dev, save_state);
544 return 0; 553 return 0;
@@ -575,6 +584,8 @@ void pci_restore_msi_state(struct pci_dev *dev)
575int pci_save_msix_state(struct pci_dev *dev) 584int pci_save_msix_state(struct pci_dev *dev)
576{ 585{
577 int pos; 586 int pos;
587 int temp;
588 int vector, head, tail = 0;
578 u16 control; 589 u16 control;
579 struct pci_cap_saved_state *save_state; 590 struct pci_cap_saved_state *save_state;
580 591
@@ -582,6 +593,7 @@ int pci_save_msix_state(struct pci_dev *dev)
582 if (pos <= 0 || dev->no_msi) 593 if (pos <= 0 || dev->no_msi)
583 return 0; 594 return 0;
584 595
596 /* save the capability */
585 pci_read_config_word(dev, msi_control_reg(pos), &control); 597 pci_read_config_word(dev, msi_control_reg(pos), &control);
586 if (!(control & PCI_MSIX_FLAGS_ENABLE)) 598 if (!(control & PCI_MSIX_FLAGS_ENABLE))
587 return 0; 599 return 0;
@@ -593,7 +605,38 @@ int pci_save_msix_state(struct pci_dev *dev)
593 } 605 }
594 *((u16 *)&save_state->data[0]) = control; 606 *((u16 *)&save_state->data[0]) = control;
595 607
596 disable_msi_mode(dev, pos, PCI_CAP_ID_MSIX); 608 /* save the table */
609 temp = dev->irq;
610 if (msi_lookup_vector(dev, PCI_CAP_ID_MSIX)) {
611 kfree(save_state);
612 return -EINVAL;
613 }
614
615 vector = head = dev->irq;
616 while (head != tail) {
617 int j;
618 void __iomem *base;
619 struct msi_desc *entry;
620
621 entry = msi_desc[vector];
622 base = entry->mask_base;
623 j = entry->msi_attrib.entry_nr;
624
625 entry->address_lo_save =
626 readl(base + j * PCI_MSIX_ENTRY_SIZE +
627 PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET);
628 entry->address_hi_save =
629 readl(base + j * PCI_MSIX_ENTRY_SIZE +
630 PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET);
631 entry->data_save =
632 readl(base + j * PCI_MSIX_ENTRY_SIZE +
633 PCI_MSIX_ENTRY_DATA_OFFSET);
634
635 tail = msi_desc[vector]->link.tail;
636 vector = tail;
637 }
638 dev->irq = temp;
639
597 save_state->cap_nr = PCI_CAP_ID_MSIX; 640 save_state->cap_nr = PCI_CAP_ID_MSIX;
598 pci_add_saved_cap(dev, save_state); 641 pci_add_saved_cap(dev, save_state);
599 return 0; 642 return 0;
@@ -606,8 +649,6 @@ void pci_restore_msix_state(struct pci_dev *dev)
606 int vector, head, tail = 0; 649 int vector, head, tail = 0;
607 void __iomem *base; 650 void __iomem *base;
608 int j; 651 int j;
609 struct msg_address address;
610 struct msg_data data;
611 struct msi_desc *entry; 652 struct msi_desc *entry;
612 int temp; 653 int temp;
613 struct pci_cap_saved_state *save_state; 654 struct pci_cap_saved_state *save_state;
@@ -633,20 +674,13 @@ void pci_restore_msix_state(struct pci_dev *dev)
633 base = entry->mask_base; 674 base = entry->mask_base;
634 j = entry->msi_attrib.entry_nr; 675 j = entry->msi_attrib.entry_nr;
635 676
636 msi_address_init(&address); 677 writel(entry->address_lo_save,
637 msi_data_init(&data, vector);
638
639 address.lo_address.value &= MSI_ADDRESS_DEST_ID_MASK;
640 address.lo_address.value |= entry->msi_attrib.current_cpu <<
641 MSI_TARGET_CPU_SHIFT;
642
643 writel(address.lo_address.value,
644 base + j * PCI_MSIX_ENTRY_SIZE + 678 base + j * PCI_MSIX_ENTRY_SIZE +
645 PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET); 679 PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET);
646 writel(address.hi_address, 680 writel(entry->address_hi_save,
647 base + j * PCI_MSIX_ENTRY_SIZE + 681 base + j * PCI_MSIX_ENTRY_SIZE +
648 PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET); 682 PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET);
649 writel(*(u32*)&data, 683 writel(entry->data_save,
650 base + j * PCI_MSIX_ENTRY_SIZE + 684 base + j * PCI_MSIX_ENTRY_SIZE +
651 PCI_MSIX_ENTRY_DATA_OFFSET); 685 PCI_MSIX_ENTRY_DATA_OFFSET);
652 686
@@ -660,30 +694,32 @@ void pci_restore_msix_state(struct pci_dev *dev)
660} 694}
661#endif 695#endif
662 696
663static void msi_register_init(struct pci_dev *dev, struct msi_desc *entry) 697static int msi_register_init(struct pci_dev *dev, struct msi_desc *entry)
664{ 698{
665 struct msg_address address; 699 int status;
666 struct msg_data data; 700 u32 address_hi;
701 u32 address_lo;
702 u32 data;
667 int pos, vector = dev->irq; 703 int pos, vector = dev->irq;
668 u16 control; 704 u16 control;
669 705
670 pos = pci_find_capability(dev, PCI_CAP_ID_MSI); 706 pos = pci_find_capability(dev, PCI_CAP_ID_MSI);
671 pci_read_config_word(dev, msi_control_reg(pos), &control); 707 pci_read_config_word(dev, msi_control_reg(pos), &control);
708
672 /* Configure MSI capability structure */ 709 /* Configure MSI capability structure */
673 msi_address_init(&address); 710 status = msi_ops->setup(dev, vector, &address_hi, &address_lo, &data);
674 msi_data_init(&data, vector); 711 if (status < 0)
675 entry->msi_attrib.current_cpu = ((address.lo_address.u.dest_id >> 712 return status;
676 MSI_TARGET_CPU_SHIFT) & MSI_TARGET_CPU_MASK); 713
677 pci_write_config_dword(dev, msi_lower_address_reg(pos), 714 pci_write_config_dword(dev, msi_lower_address_reg(pos), address_lo);
678 address.lo_address.value);
679 if (is_64bit_address(control)) { 715 if (is_64bit_address(control)) {
680 pci_write_config_dword(dev, 716 pci_write_config_dword(dev,
681 msi_upper_address_reg(pos), address.hi_address); 717 msi_upper_address_reg(pos), address_hi);
682 pci_write_config_word(dev, 718 pci_write_config_word(dev,
683 msi_data_reg(pos, 1), *((u32*)&data)); 719 msi_data_reg(pos, 1), data);
684 } else 720 } else
685 pci_write_config_word(dev, 721 pci_write_config_word(dev,
686 msi_data_reg(pos, 0), *((u32*)&data)); 722 msi_data_reg(pos, 0), data);
687 if (entry->msi_attrib.maskbit) { 723 if (entry->msi_attrib.maskbit) {
688 unsigned int maskbits, temp; 724 unsigned int maskbits, temp;
689 /* All MSIs are unmasked by default, Mask them all */ 725 /* All MSIs are unmasked by default, Mask them all */
@@ -697,6 +733,8 @@ static void msi_register_init(struct pci_dev *dev, struct msi_desc *entry)
697 msi_mask_bits_reg(pos, is_64bit_address(control)), 733 msi_mask_bits_reg(pos, is_64bit_address(control)),
698 maskbits); 734 maskbits);
699 } 735 }
736
737 return 0;
700} 738}
701 739
702/** 740/**
@@ -710,6 +748,7 @@ static void msi_register_init(struct pci_dev *dev, struct msi_desc *entry)
710 **/ 748 **/
711static int msi_capability_init(struct pci_dev *dev) 749static int msi_capability_init(struct pci_dev *dev)
712{ 750{
751 int status;
713 struct msi_desc *entry; 752 struct msi_desc *entry;
714 int pos, vector; 753 int pos, vector;
715 u16 control; 754 u16 control;
@@ -742,7 +781,12 @@ static int msi_capability_init(struct pci_dev *dev)
742 /* Replace with MSI handler */ 781 /* Replace with MSI handler */
743 irq_handler_init(PCI_CAP_ID_MSI, vector, entry->msi_attrib.maskbit); 782 irq_handler_init(PCI_CAP_ID_MSI, vector, entry->msi_attrib.maskbit);
744 /* Configure MSI capability structure */ 783 /* Configure MSI capability structure */
745 msi_register_init(dev, entry); 784 status = msi_register_init(dev, entry);
785 if (status != 0) {
786 dev->irq = entry->msi_attrib.default_vector;
787 kmem_cache_free(msi_cachep, entry);
788 return status;
789 }
746 790
747 attach_msi_entry(entry, vector); 791 attach_msi_entry(entry, vector);
748 /* Set MSI enabled bits */ 792 /* Set MSI enabled bits */
@@ -765,8 +809,10 @@ static int msix_capability_init(struct pci_dev *dev,
765 struct msix_entry *entries, int nvec) 809 struct msix_entry *entries, int nvec)
766{ 810{
767 struct msi_desc *head = NULL, *tail = NULL, *entry = NULL; 811 struct msi_desc *head = NULL, *tail = NULL, *entry = NULL;
768 struct msg_address address; 812 u32 address_hi;
769 struct msg_data data; 813 u32 address_lo;
814 u32 data;
815 int status;
770 int vector, pos, i, j, nr_entries, temp = 0; 816 int vector, pos, i, j, nr_entries, temp = 0;
771 unsigned long phys_addr; 817 unsigned long phys_addr;
772 u32 table_offset; 818 u32 table_offset;
@@ -822,18 +868,20 @@ static int msix_capability_init(struct pci_dev *dev,
822 /* Replace with MSI-X handler */ 868 /* Replace with MSI-X handler */
823 irq_handler_init(PCI_CAP_ID_MSIX, vector, 1); 869 irq_handler_init(PCI_CAP_ID_MSIX, vector, 1);
824 /* Configure MSI-X capability structure */ 870 /* Configure MSI-X capability structure */
825 msi_address_init(&address); 871 status = msi_ops->setup(dev, vector,
826 msi_data_init(&data, vector); 872 &address_hi,
827 entry->msi_attrib.current_cpu = 873 &address_lo,
828 ((address.lo_address.u.dest_id >> 874 &data);
829 MSI_TARGET_CPU_SHIFT) & MSI_TARGET_CPU_MASK); 875 if (status < 0)
830 writel(address.lo_address.value, 876 break;
877
878 writel(address_lo,
831 base + j * PCI_MSIX_ENTRY_SIZE + 879 base + j * PCI_MSIX_ENTRY_SIZE +
832 PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET); 880 PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET);
833 writel(address.hi_address, 881 writel(address_hi,
834 base + j * PCI_MSIX_ENTRY_SIZE + 882 base + j * PCI_MSIX_ENTRY_SIZE +
835 PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET); 883 PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET);
836 writel(*(u32*)&data, 884 writel(data,
837 base + j * PCI_MSIX_ENTRY_SIZE + 885 base + j * PCI_MSIX_ENTRY_SIZE +
838 PCI_MSIX_ENTRY_DATA_OFFSET); 886 PCI_MSIX_ENTRY_DATA_OFFSET);
839 attach_msi_entry(entry, vector); 887 attach_msi_entry(entry, vector);
@@ -865,6 +913,7 @@ static int msix_capability_init(struct pci_dev *dev,
865 **/ 913 **/
866int pci_enable_msi(struct pci_dev* dev) 914int pci_enable_msi(struct pci_dev* dev)
867{ 915{
916 struct pci_bus *bus;
868 int pos, temp, status = -EINVAL; 917 int pos, temp, status = -EINVAL;
869 u16 control; 918 u16 control;
870 919
@@ -874,8 +923,9 @@ int pci_enable_msi(struct pci_dev* dev)
874 if (dev->no_msi) 923 if (dev->no_msi)
875 return status; 924 return status;
876 925
877 if (dev->bus->bus_flags & PCI_BUS_FLAGS_NO_MSI) 926 for (bus = dev->bus; bus; bus = bus->parent)
878 return -EINVAL; 927 if (bus->bus_flags & PCI_BUS_FLAGS_NO_MSI)
928 return -EINVAL;
879 929
880 temp = dev->irq; 930 temp = dev->irq;
881 931
@@ -887,23 +937,23 @@ int pci_enable_msi(struct pci_dev* dev)
887 if (!pos) 937 if (!pos)
888 return -EINVAL; 938 return -EINVAL;
889 939
890 pci_read_config_word(dev, msi_control_reg(pos), &control);
891 if (control & PCI_MSI_FLAGS_ENABLE)
892 return 0; /* Already in MSI mode */
893
894 if (!msi_lookup_vector(dev, PCI_CAP_ID_MSI)) { 940 if (!msi_lookup_vector(dev, PCI_CAP_ID_MSI)) {
895 /* Lookup Sucess */ 941 /* Lookup Sucess */
896 unsigned long flags; 942 unsigned long flags;
897 943
944 pci_read_config_word(dev, msi_control_reg(pos), &control);
945 if (control & PCI_MSI_FLAGS_ENABLE)
946 return 0; /* Already in MSI mode */
898 spin_lock_irqsave(&msi_lock, flags); 947 spin_lock_irqsave(&msi_lock, flags);
899 if (!vector_irq[dev->irq]) { 948 if (!vector_irq[dev->irq]) {
900 msi_desc[dev->irq]->msi_attrib.state = 0; 949 msi_desc[dev->irq]->msi_attrib.state = 0;
901 vector_irq[dev->irq] = -1; 950 vector_irq[dev->irq] = -1;
902 nr_released_vectors--; 951 nr_released_vectors--;
903 spin_unlock_irqrestore(&msi_lock, flags); 952 spin_unlock_irqrestore(&msi_lock, flags);
904 msi_register_init(dev, msi_desc[dev->irq]); 953 status = msi_register_init(dev, msi_desc[dev->irq]);
905 enable_msi_mode(dev, pos, PCI_CAP_ID_MSI); 954 if (status == 0)
906 return 0; 955 enable_msi_mode(dev, pos, PCI_CAP_ID_MSI);
956 return status;
907 } 957 }
908 spin_unlock_irqrestore(&msi_lock, flags); 958 spin_unlock_irqrestore(&msi_lock, flags);
909 dev->irq = temp; 959 dev->irq = temp;
@@ -980,6 +1030,8 @@ static int msi_free_vector(struct pci_dev* dev, int vector, int reassign)
980 void __iomem *base; 1030 void __iomem *base;
981 unsigned long flags; 1031 unsigned long flags;
982 1032
1033 msi_ops->teardown(vector);
1034
983 spin_lock_irqsave(&msi_lock, flags); 1035 spin_lock_irqsave(&msi_lock, flags);
984 entry = msi_desc[vector]; 1036 entry = msi_desc[vector];
985 if (!entry || entry->dev != dev) { 1037 if (!entry || entry->dev != dev) {
@@ -1008,33 +1060,8 @@ static int msi_free_vector(struct pci_dev* dev, int vector, int reassign)
1008 entry_nr * PCI_MSIX_ENTRY_SIZE + 1060 entry_nr * PCI_MSIX_ENTRY_SIZE +
1009 PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET); 1061 PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET);
1010 1062
1011 if (head == vector) { 1063 if (head == vector)
1012 /*
1013 * Detect last MSI-X vector to be released.
1014 * Release the MSI-X memory-mapped table.
1015 */
1016#if 0
1017 int pos, nr_entries;
1018 unsigned long phys_addr;
1019 u32 table_offset;
1020 u16 control;
1021 u8 bir;
1022
1023 pos = pci_find_capability(dev, PCI_CAP_ID_MSIX);
1024 pci_read_config_word(dev, msi_control_reg(pos),
1025 &control);
1026 nr_entries = multi_msix_capable(control);
1027 pci_read_config_dword(dev, msix_table_offset_reg(pos),
1028 &table_offset);
1029 bir = (u8)(table_offset & PCI_MSIX_FLAGS_BIRMASK);
1030 table_offset &= ~PCI_MSIX_FLAGS_BIRMASK;
1031 phys_addr = pci_resource_start(dev, bir) + table_offset;
1032/*
1033 * FIXME! and what did you want to do with phys_addr?
1034 */
1035#endif
1036 iounmap(base); 1064 iounmap(base);
1037 }
1038 } 1065 }
1039 1066
1040 return 0; 1067 return 0;
@@ -1108,6 +1135,7 @@ static int reroute_msix_table(int head, struct msix_entry *entries, int *nvec)
1108 **/ 1135 **/
1109int pci_enable_msix(struct pci_dev* dev, struct msix_entry *entries, int nvec) 1136int pci_enable_msix(struct pci_dev* dev, struct msix_entry *entries, int nvec)
1110{ 1137{
1138 struct pci_bus *bus;
1111 int status, pos, nr_entries, free_vectors; 1139 int status, pos, nr_entries, free_vectors;
1112 int i, j, temp; 1140 int i, j, temp;
1113 u16 control; 1141 u16 control;
@@ -1116,6 +1144,13 @@ int pci_enable_msix(struct pci_dev* dev, struct msix_entry *entries, int nvec)
1116 if (!pci_msi_enable || !dev || !entries) 1144 if (!pci_msi_enable || !dev || !entries)
1117 return -EINVAL; 1145 return -EINVAL;
1118 1146
1147 if (dev->no_msi)
1148 return -EINVAL;
1149
1150 for (bus = dev->bus; bus; bus = bus->parent)
1151 if (bus->bus_flags & PCI_BUS_FLAGS_NO_MSI)
1152 return -EINVAL;
1153
1119 status = msi_init(); 1154 status = msi_init();
1120 if (status < 0) 1155 if (status < 0)
1121 return status; 1156 return status;
@@ -1300,24 +1335,6 @@ void msi_remove_pci_irq_vectors(struct pci_dev* dev)
1300 } 1335 }
1301 msi_free_vector(dev, vector, 0); 1336 msi_free_vector(dev, vector, 0);
1302 if (warning) { 1337 if (warning) {
1303 /* Force to release the MSI-X memory-mapped table */
1304#if 0
1305 unsigned long phys_addr;
1306 u32 table_offset;
1307 u16 control;
1308 u8 bir;
1309
1310 pci_read_config_word(dev, msi_control_reg(pos),
1311 &control);
1312 pci_read_config_dword(dev, msix_table_offset_reg(pos),
1313 &table_offset);
1314 bir = (u8)(table_offset & PCI_MSIX_FLAGS_BIRMASK);
1315 table_offset &= ~PCI_MSIX_FLAGS_BIRMASK;
1316 phys_addr = pci_resource_start(dev, bir) + table_offset;
1317/*
1318 * FIXME! and what did you want to do with phys_addr?
1319 */
1320#endif
1321 iounmap(base); 1338 iounmap(base);
1322 printk(KERN_WARNING "PCI: %s: msi_remove_pci_irq_vectors() " 1339 printk(KERN_WARNING "PCI: %s: msi_remove_pci_irq_vectors() "
1323 "called without free_irq() on all MSI-X vectors\n", 1340 "called without free_irq() on all MSI-X vectors\n",
diff --git a/drivers/pci/msi.h b/drivers/pci/msi.h
index 4ac52d441e47..56951c39d3a3 100644
--- a/drivers/pci/msi.h
+++ b/drivers/pci/msi.h
@@ -6,6 +6,68 @@
6#ifndef MSI_H 6#ifndef MSI_H
7#define MSI_H 7#define MSI_H
8 8
9/*
10 * MSI operation vector. Used by the msi core code (drivers/pci/msi.c)
11 * to abstract platform-specific tasks relating to MSI address generation
12 * and resource management.
13 */
14struct msi_ops {
15 /**
16 * setup - generate an MSI bus address and data for a given vector
17 * @pdev: PCI device context (in)
18 * @vector: vector allocated by the msi core (in)
19 * @addr_hi: upper 32 bits of PCI bus MSI address (out)
20 * @addr_lo: lower 32 bits of PCI bus MSI address (out)
21 * @data: MSI data payload (out)
22 *
23 * Description: The setup op is used to generate a PCI bus addres and
24 * data which the msi core will program into the card MSI capability
25 * registers. The setup routine is responsible for picking an initial
26 * cpu to target the MSI at. The setup routine is responsible for
27 * examining pdev to determine the MSI capabilities of the card and
28 * generating a suitable address/data. The setup routine is
29 * responsible for allocating and tracking any system resources it
30 * needs to route the MSI to the cpu it picks, and for associating
31 * those resources with the passed in vector.
32 *
33 * Returns 0 if the MSI address/data was successfully setup.
34 **/
35
36 int (*setup) (struct pci_dev *pdev, unsigned int vector,
37 u32 *addr_hi, u32 *addr_lo, u32 *data);
38
39 /**
40 * teardown - release resources allocated by setup
41 * @vector: vector context for resources (in)
42 *
43 * Description: The teardown op is used to release any resources
44 * that were allocated in the setup routine associated with the passed
45 * in vector.
46 **/
47
48 void (*teardown) (unsigned int vector);
49
50 /**
51 * target - retarget an MSI at a different cpu
52 * @vector: vector context for resources (in)
53 * @cpu: new cpu to direct vector at (in)
54 * @addr_hi: new value of PCI bus upper 32 bits (in/out)
55 * @addr_lo: new value of PCI bus lower 32 bits (in/out)
56 *
57 * Description: The target op is used to redirect an MSI vector
58 * at a different cpu. addr_hi/addr_lo coming in are the existing
59 * values that the MSI core has programmed into the card. The
60 * target code is responsible for freeing any resources (if any)
61 * associated with the old address, and generating a new PCI bus
62 * addr_hi/addr_lo that will redirect the vector at the indicated cpu.
63 **/
64
65 void (*target) (unsigned int vector, unsigned int cpu,
66 u32 *addr_hi, u32 *addr_lo);
67};
68
69extern int msi_register(struct msi_ops *ops);
70
9#include <asm/msi.h> 71#include <asm/msi.h>
10 72
11/* 73/*
@@ -63,67 +125,6 @@ extern int pci_vector_resources(int last, int nr_released);
63#define msix_mask(address) (address | PCI_MSIX_FLAGS_BITMASK) 125#define msix_mask(address) (address | PCI_MSIX_FLAGS_BITMASK)
64#define msix_is_pending(address) (address & PCI_MSIX_FLAGS_PENDMASK) 126#define msix_is_pending(address) (address & PCI_MSIX_FLAGS_PENDMASK)
65 127
66/*
67 * MSI Defined Data Structures
68 */
69#define MSI_ADDRESS_HEADER 0xfee
70#define MSI_ADDRESS_HEADER_SHIFT 12
71#define MSI_ADDRESS_HEADER_MASK 0xfff000
72#define MSI_ADDRESS_DEST_ID_MASK 0xfff0000f
73#define MSI_TARGET_CPU_MASK 0xff
74#define MSI_DELIVERY_MODE 0
75#define MSI_LEVEL_MODE 1 /* Edge always assert */
76#define MSI_TRIGGER_MODE 0 /* MSI is edge sensitive */
77#define MSI_PHYSICAL_MODE 0
78#define MSI_LOGICAL_MODE 1
79#define MSI_REDIRECTION_HINT_MODE 0
80
81struct msg_data {
82#if defined(__LITTLE_ENDIAN_BITFIELD)
83 __u32 vector : 8;
84 __u32 delivery_mode : 3; /* 000b: FIXED | 001b: lowest prior */
85 __u32 reserved_1 : 3;
86 __u32 level : 1; /* 0: deassert | 1: assert */
87 __u32 trigger : 1; /* 0: edge | 1: level */
88 __u32 reserved_2 : 16;
89#elif defined(__BIG_ENDIAN_BITFIELD)
90 __u32 reserved_2 : 16;
91 __u32 trigger : 1; /* 0: edge | 1: level */
92 __u32 level : 1; /* 0: deassert | 1: assert */
93 __u32 reserved_1 : 3;
94 __u32 delivery_mode : 3; /* 000b: FIXED | 001b: lowest prior */
95 __u32 vector : 8;
96#else
97#error "Bitfield endianness not defined! Check your byteorder.h"
98#endif
99} __attribute__ ((packed));
100
101struct msg_address {
102 union {
103 struct {
104#if defined(__LITTLE_ENDIAN_BITFIELD)
105 __u32 reserved_1 : 2;
106 __u32 dest_mode : 1; /*0:physic | 1:logic */
107 __u32 redirection_hint: 1; /*0: dedicated CPU
108 1: lowest priority */
109 __u32 reserved_2 : 4;
110 __u32 dest_id : 24; /* Destination ID */
111#elif defined(__BIG_ENDIAN_BITFIELD)
112 __u32 dest_id : 24; /* Destination ID */
113 __u32 reserved_2 : 4;
114 __u32 redirection_hint: 1; /*0: dedicated CPU
115 1: lowest priority */
116 __u32 dest_mode : 1; /*0:physic | 1:logic */
117 __u32 reserved_1 : 2;
118#else
119#error "Bitfield endianness not defined! Check your byteorder.h"
120#endif
121 }u;
122 __u32 value;
123 }lo_address;
124 __u32 hi_address;
125} __attribute__ ((packed));
126
127struct msi_desc { 128struct msi_desc {
128 struct { 129 struct {
129 __u8 type : 5; /* {0: unused, 5h:MSI, 11h:MSI-X} */ 130 __u8 type : 5; /* {0: unused, 5h:MSI, 11h:MSI-X} */
@@ -132,7 +133,7 @@ struct msi_desc {
132 __u8 reserved: 1; /* reserved */ 133 __u8 reserved: 1; /* reserved */
133 __u8 entry_nr; /* specific enabled entry */ 134 __u8 entry_nr; /* specific enabled entry */
134 __u8 default_vector; /* default pre-assigned vector */ 135 __u8 default_vector; /* default pre-assigned vector */
135 __u8 current_cpu; /* current destination cpu */ 136 __u8 unused; /* formerly unused destination cpu*/
136 }msi_attrib; 137 }msi_attrib;
137 138
138 struct { 139 struct {
@@ -142,6 +143,14 @@ struct msi_desc {
142 143
143 void __iomem *mask_base; 144 void __iomem *mask_base;
144 struct pci_dev *dev; 145 struct pci_dev *dev;
146
147#ifdef CONFIG_PM
148 /* PM save area for MSIX address/data */
149
150 u32 address_hi_save;
151 u32 address_lo_save;
152 u32 data_save;
153#endif
145}; 154};
146 155
147#endif /* MSI_H */ 156#endif /* MSI_H */
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index c2ecae5ff0c1..bb7456c1dbac 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -267,7 +267,7 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
267 267
268 268
269/* ACPI bus type */ 269/* ACPI bus type */
270static int pci_acpi_find_device(struct device *dev, acpi_handle *handle) 270static int acpi_pci_find_device(struct device *dev, acpi_handle *handle)
271{ 271{
272 struct pci_dev * pci_dev; 272 struct pci_dev * pci_dev;
273 acpi_integer addr; 273 acpi_integer addr;
@@ -281,7 +281,7 @@ static int pci_acpi_find_device(struct device *dev, acpi_handle *handle)
281 return 0; 281 return 0;
282} 282}
283 283
284static int pci_acpi_find_root_bridge(struct device *dev, acpi_handle *handle) 284static int acpi_pci_find_root_bridge(struct device *dev, acpi_handle *handle)
285{ 285{
286 int num; 286 int num;
287 unsigned int seg, bus; 287 unsigned int seg, bus;
@@ -299,21 +299,21 @@ static int pci_acpi_find_root_bridge(struct device *dev, acpi_handle *handle)
299 return 0; 299 return 0;
300} 300}
301 301
302static struct acpi_bus_type pci_acpi_bus = { 302static struct acpi_bus_type acpi_pci_bus = {
303 .bus = &pci_bus_type, 303 .bus = &pci_bus_type,
304 .find_device = pci_acpi_find_device, 304 .find_device = acpi_pci_find_device,
305 .find_bridge = pci_acpi_find_root_bridge, 305 .find_bridge = acpi_pci_find_root_bridge,
306}; 306};
307 307
308static int __init pci_acpi_init(void) 308static int __init acpi_pci_init(void)
309{ 309{
310 int ret; 310 int ret;
311 311
312 ret = register_acpi_bus_type(&pci_acpi_bus); 312 ret = register_acpi_bus_type(&acpi_pci_bus);
313 if (ret) 313 if (ret)
314 return 0; 314 return 0;
315 platform_pci_choose_state = acpi_pci_choose_state; 315 platform_pci_choose_state = acpi_pci_choose_state;
316 platform_pci_set_power_state = acpi_pci_set_power_state; 316 platform_pci_set_power_state = acpi_pci_set_power_state;
317 return 0; 317 return 0;
318} 318}
319arch_initcall(pci_acpi_init); 319arch_initcall(acpi_pci_init);
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 56ac2bc003c7..bc405c035ce3 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -43,6 +43,29 @@ pci_config_attr(subsystem_vendor, "0x%04x\n");
43pci_config_attr(subsystem_device, "0x%04x\n"); 43pci_config_attr(subsystem_device, "0x%04x\n");
44pci_config_attr(class, "0x%06x\n"); 44pci_config_attr(class, "0x%06x\n");
45pci_config_attr(irq, "%u\n"); 45pci_config_attr(irq, "%u\n");
46pci_config_attr(is_enabled, "%u\n");
47
48static ssize_t broken_parity_status_show(struct device *dev,
49 struct device_attribute *attr,
50 char *buf)
51{
52 struct pci_dev *pdev = to_pci_dev(dev);
53 return sprintf (buf, "%u\n", pdev->broken_parity_status);
54}
55
56static ssize_t broken_parity_status_store(struct device *dev,
57 struct device_attribute *attr,
58 const char *buf, size_t count)
59{
60 struct pci_dev *pdev = to_pci_dev(dev);
61 ssize_t consumed = -EINVAL;
62
63 if ((count > 0) && (*buf == '0' || *buf == '1')) {
64 pdev->broken_parity_status = *buf == '1' ? 1 : 0;
65 consumed = count;
66 }
67 return consumed;
68}
46 69
47static ssize_t local_cpus_show(struct device *dev, 70static ssize_t local_cpus_show(struct device *dev,
48 struct device_attribute *attr, char *buf) 71 struct device_attribute *attr, char *buf)
@@ -90,6 +113,25 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
90 (u8)(pci_dev->class >> 16), (u8)(pci_dev->class >> 8), 113 (u8)(pci_dev->class >> 16), (u8)(pci_dev->class >> 8),
91 (u8)(pci_dev->class)); 114 (u8)(pci_dev->class));
92} 115}
116static ssize_t
117is_enabled_store(struct device *dev, struct device_attribute *attr,
118 const char *buf, size_t count)
119{
120 struct pci_dev *pdev = to_pci_dev(dev);
121
122 /* this can crash the machine when done on the "wrong" device */
123 if (!capable(CAP_SYS_ADMIN))
124 return count;
125
126 if (*buf == '0')
127 pci_disable_device(pdev);
128
129 if (*buf == '1')
130 pci_enable_device(pdev);
131
132 return count;
133}
134
93 135
94struct device_attribute pci_dev_attrs[] = { 136struct device_attribute pci_dev_attrs[] = {
95 __ATTR_RO(resource), 137 __ATTR_RO(resource),
@@ -101,6 +143,9 @@ struct device_attribute pci_dev_attrs[] = {
101 __ATTR_RO(irq), 143 __ATTR_RO(irq),
102 __ATTR_RO(local_cpus), 144 __ATTR_RO(local_cpus),
103 __ATTR_RO(modalias), 145 __ATTR_RO(modalias),
146 __ATTR(enable, 0600, is_enabled_show, is_enabled_store),
147 __ATTR(broken_parity_status,(S_IRUGO|S_IWUSR),
148 broken_parity_status_show,broken_parity_status_store),
104 __ATTR_NULL, 149 __ATTR_NULL,
105}; 150};
106 151
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index fde41cc14734..d408a3c30426 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -517,7 +517,12 @@ pci_enable_device_bars(struct pci_dev *dev, int bars)
517int 517int
518pci_enable_device(struct pci_dev *dev) 518pci_enable_device(struct pci_dev *dev)
519{ 519{
520 int err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1); 520 int err;
521
522 if (dev->is_enabled)
523 return 0;
524
525 err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1);
521 if (err) 526 if (err)
522 return err; 527 return err;
523 pci_fixup_device(pci_fixup_enable, dev); 528 pci_fixup_device(pci_fixup_enable, dev);
@@ -546,7 +551,14 @@ void
546pci_disable_device(struct pci_dev *dev) 551pci_disable_device(struct pci_dev *dev)
547{ 552{
548 u16 pci_command; 553 u16 pci_command;
549 554
555 if (dev->msi_enabled)
556 disable_msi_mode(dev, pci_find_capability(dev, PCI_CAP_ID_MSI),
557 PCI_CAP_ID_MSI);
558 if (dev->msix_enabled)
559 disable_msi_mode(dev, pci_find_capability(dev, PCI_CAP_ID_MSI),
560 PCI_CAP_ID_MSIX);
561
550 pci_read_config_word(dev, PCI_COMMAND, &pci_command); 562 pci_read_config_word(dev, PCI_COMMAND, &pci_command);
551 if (pci_command & PCI_COMMAND_MASTER) { 563 if (pci_command & PCI_COMMAND_MASTER) {
552 pci_command &= ~PCI_COMMAND_MASTER; 564 pci_command &= ~PCI_COMMAND_MASTER;
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 30630cbe2fe3..29bdeca031a8 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -40,7 +40,7 @@ extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int
40extern void pci_remove_legacy_files(struct pci_bus *bus); 40extern void pci_remove_legacy_files(struct pci_bus *bus);
41 41
42/* Lock for read/write access to pci device and bus lists */ 42/* Lock for read/write access to pci device and bus lists */
43extern spinlock_t pci_bus_lock; 43extern struct rw_semaphore pci_bus_sem;
44 44
45#ifdef CONFIG_X86_IO_APIC 45#ifdef CONFIG_X86_IO_APIC
46extern int pci_msi_quirk; 46extern int pci_msi_quirk;
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index a10ed9dab2c2..f89dbc3738b7 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -180,25 +180,31 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom)
180 res->flags |= pci_calc_resource_flags(l); 180 res->flags |= pci_calc_resource_flags(l);
181 if ((l & (PCI_BASE_ADDRESS_SPACE | PCI_BASE_ADDRESS_MEM_TYPE_MASK)) 181 if ((l & (PCI_BASE_ADDRESS_SPACE | PCI_BASE_ADDRESS_MEM_TYPE_MASK))
182 == (PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64)) { 182 == (PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64)) {
183 pci_read_config_dword(dev, reg+4, &l); 183 u32 szhi, lhi;
184 pci_read_config_dword(dev, reg+4, &lhi);
185 pci_write_config_dword(dev, reg+4, ~0);
186 pci_read_config_dword(dev, reg+4, &szhi);
187 pci_write_config_dword(dev, reg+4, lhi);
188 szhi = pci_size(lhi, szhi, 0xffffffff);
184 next++; 189 next++;
185#if BITS_PER_LONG == 64 190#if BITS_PER_LONG == 64
186 res->start |= ((unsigned long) l) << 32; 191 res->start |= ((unsigned long) lhi) << 32;
187 res->end = res->start + sz; 192 res->end = res->start + sz;
188 pci_write_config_dword(dev, reg+4, ~0); 193 if (szhi) {
189 pci_read_config_dword(dev, reg+4, &sz);
190 pci_write_config_dword(dev, reg+4, l);
191 sz = pci_size(l, sz, 0xffffffff);
192 if (sz) {
193 /* This BAR needs > 4GB? Wow. */ 194 /* This BAR needs > 4GB? Wow. */
194 res->end |= (unsigned long)sz<<32; 195 res->end |= (unsigned long)szhi<<32;
195 } 196 }
196#else 197#else
197 if (l) { 198 if (szhi) {
198 printk(KERN_ERR "PCI: Unable to handle 64-bit address for device %s\n", pci_name(dev)); 199 printk(KERN_ERR "PCI: Unable to handle 64-bit BAR for device %s\n", pci_name(dev));
199 res->start = 0; 200 res->start = 0;
200 res->flags = 0; 201 res->flags = 0;
201 continue; 202 } else if (lhi) {
203 /* 64-bit wide address, treat as disabled */
204 pci_write_config_dword(dev, reg, l & ~(u32)PCI_BASE_ADDRESS_MEM_MASK);
205 pci_write_config_dword(dev, reg+4, 0);
206 res->start = 0;
207 res->end = sz;
202 } 208 }
203#endif 209#endif
204 } 210 }
@@ -377,9 +383,9 @@ struct pci_bus * __devinit pci_add_new_bus(struct pci_bus *parent, struct pci_de
377 383
378 child = pci_alloc_child_bus(parent, dev, busnr); 384 child = pci_alloc_child_bus(parent, dev, busnr);
379 if (child) { 385 if (child) {
380 spin_lock(&pci_bus_lock); 386 down_write(&pci_bus_sem);
381 list_add_tail(&child->node, &parent->children); 387 list_add_tail(&child->node, &parent->children);
382 spin_unlock(&pci_bus_lock); 388 up_write(&pci_bus_sem);
383 } 389 }
384 return child; 390 return child;
385} 391}
@@ -838,9 +844,9 @@ void __devinit pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
838 * and the bus list for fixup functions, etc. 844 * and the bus list for fixup functions, etc.
839 */ 845 */
840 INIT_LIST_HEAD(&dev->global_list); 846 INIT_LIST_HEAD(&dev->global_list);
841 spin_lock(&pci_bus_lock); 847 down_write(&pci_bus_sem);
842 list_add_tail(&dev->bus_list, &bus->devices); 848 list_add_tail(&dev->bus_list, &bus->devices);
843 spin_unlock(&pci_bus_lock); 849 up_write(&pci_bus_sem);
844} 850}
845 851
846struct pci_dev * __devinit 852struct pci_dev * __devinit
@@ -975,9 +981,10 @@ struct pci_bus * __devinit pci_create_bus(struct device *parent,
975 pr_debug("PCI: Bus %04x:%02x already known\n", pci_domain_nr(b), bus); 981 pr_debug("PCI: Bus %04x:%02x already known\n", pci_domain_nr(b), bus);
976 goto err_out; 982 goto err_out;
977 } 983 }
978 spin_lock(&pci_bus_lock); 984
985 down_write(&pci_bus_sem);
979 list_add_tail(&b->node, &pci_root_buses); 986 list_add_tail(&b->node, &pci_root_buses);
980 spin_unlock(&pci_bus_lock); 987 up_write(&pci_bus_sem);
981 988
982 memset(dev, 0, sizeof(*dev)); 989 memset(dev, 0, sizeof(*dev));
983 dev->parent = parent; 990 dev->parent = parent;
@@ -1017,9 +1024,9 @@ class_dev_create_file_err:
1017class_dev_reg_err: 1024class_dev_reg_err:
1018 device_unregister(dev); 1025 device_unregister(dev);
1019dev_reg_err: 1026dev_reg_err:
1020 spin_lock(&pci_bus_lock); 1027 down_write(&pci_bus_sem);
1021 list_del(&b->node); 1028 list_del(&b->node);
1022 spin_unlock(&pci_bus_lock); 1029 up_write(&pci_bus_sem);
1023err_out: 1030err_out:
1024 kfree(dev); 1031 kfree(dev);
1025 kfree(b); 1032 kfree(b);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index d378478612fb..4364d793f73b 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -24,6 +24,17 @@
24#include <linux/acpi.h> 24#include <linux/acpi.h>
25#include "pci.h" 25#include "pci.h"
26 26
27/* The Mellanox Tavor device gives false positive parity errors
28 * Mark this device with a broken_parity_status, to allow
29 * PCI scanning code to "skip" this now blacklisted device.
30 */
31static void __devinit quirk_mellanox_tavor(struct pci_dev *dev)
32{
33 dev->broken_parity_status = 1; /* This device gives false positives */
34}
35DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_MELLANOX,PCI_DEVICE_ID_MELLANOX_TAVOR,quirk_mellanox_tavor);
36DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_MELLANOX,PCI_DEVICE_ID_MELLANOX_TAVOR_BRIDGE,quirk_mellanox_tavor);
37
27/* Deal with broken BIOS'es that neglect to enable passive release, 38/* Deal with broken BIOS'es that neglect to enable passive release,
28 which can cause problems in combination with the 82441FX/PPro MTRRs */ 39 which can cause problems in combination with the 82441FX/PPro MTRRs */
29static void __devinit quirk_passive_release(struct pci_dev *dev) 40static void __devinit quirk_passive_release(struct pci_dev *dev)
@@ -878,27 +889,30 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82375, quirk_e
878 * when a PCI-Soundcard is added. The BIOS only gives Options 889 * when a PCI-Soundcard is added. The BIOS only gives Options
879 * "Disabled" and "AUTO". This Quirk Sets the corresponding 890 * "Disabled" and "AUTO". This Quirk Sets the corresponding
880 * Register-Value to enable the Soundcard. 891 * Register-Value to enable the Soundcard.
892 *
893 * FIXME: Presently this quirk will run on anything that has an 8237
894 * which isn't correct, we need to check DMI tables or something in
895 * order to make sure it only runs on the MSI-K8T-Neo2Fir. Because it
896 * runs everywhere at present we suppress the printk output in most
897 * irrelevant cases.
881 */ 898 */
882static void __init k8t_sound_hostbridge(struct pci_dev *dev) 899static void __init k8t_sound_hostbridge(struct pci_dev *dev)
883{ 900{
884 unsigned char val; 901 unsigned char val;
885 902
886 printk(KERN_INFO "PCI: Quirk-MSI-K8T Soundcard On\n");
887 pci_read_config_byte(dev, 0x50, &val); 903 pci_read_config_byte(dev, 0x50, &val);
888 if (val == 0x88 || val == 0xc8) { 904 if (val == 0x88 || val == 0xc8) {
905 /* Assume it's probably a MSI-K8T-Neo2Fir */
906 printk(KERN_INFO "PCI: MSI-K8T-Neo2Fir, attempting to turn soundcard ON\n");
889 pci_write_config_byte(dev, 0x50, val & (~0x40)); 907 pci_write_config_byte(dev, 0x50, val & (~0x40));
890 908
891 /* Verify the Change for Status output */ 909 /* Verify the Change for Status output */
892 pci_read_config_byte(dev, 0x50, &val); 910 pci_read_config_byte(dev, 0x50, &val);
893 if (val & 0x40) 911 if (val & 0x40)
894 printk(KERN_INFO "PCI: MSI-K8T soundcard still off\n"); 912 printk(KERN_INFO "PCI: MSI-K8T-Neo2Fir, soundcard still off\n");
895 else 913 else
896 printk(KERN_INFO "PCI: MSI-K8T soundcard on\n"); 914 printk(KERN_INFO "PCI: MSI-K8T-Neo2Fir, soundcard on\n");
897 } else {
898 printk(KERN_INFO "PCI: Unexpected Value in PCI-Register: "
899 "no Change!\n");
900 } 915 }
901
902} 916}
903DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_hostbridge); 917DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_hostbridge);
904 918
@@ -1485,6 +1499,25 @@ static void __devinit quirk_p64h2_1k_io(struct pci_dev *dev)
1485} 1499}
1486DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x1460, quirk_p64h2_1k_io); 1500DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x1460, quirk_p64h2_1k_io);
1487 1501
1502/* Under some circumstances, AER is not linked with extended capabilities.
1503 * Force it to be linked by setting the corresponding control bit in the
1504 * config space.
1505 */
1506static void __devinit quirk_nvidia_ck804_pcie_aer_ext_cap(struct pci_dev *dev)
1507{
1508 uint8_t b;
1509 if (pci_read_config_byte(dev, 0xf41, &b) == 0) {
1510 if (!(b & 0x20)) {
1511 pci_write_config_byte(dev, 0xf41, b | 0x20);
1512 printk(KERN_INFO
1513 "PCI: Linking AER extended capability on %s\n",
1514 pci_name(dev));
1515 }
1516 }
1517}
1518DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE,
1519 quirk_nvidia_ck804_pcie_aer_ext_cap);
1520
1488EXPORT_SYMBOL(pcie_mch_quirk); 1521EXPORT_SYMBOL(pcie_mch_quirk);
1489#ifdef CONFIG_HOTPLUG 1522#ifdef CONFIG_HOTPLUG
1490EXPORT_SYMBOL(pci_fixup_device); 1523EXPORT_SYMBOL(pci_fixup_device);
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index 1a6bf9de166f..99ffbd478b29 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -22,18 +22,18 @@ static void pci_destroy_dev(struct pci_dev *dev)
22 pci_proc_detach_device(dev); 22 pci_proc_detach_device(dev);
23 pci_remove_sysfs_dev_files(dev); 23 pci_remove_sysfs_dev_files(dev);
24 device_unregister(&dev->dev); 24 device_unregister(&dev->dev);
25 spin_lock(&pci_bus_lock); 25 down_write(&pci_bus_sem);
26 list_del(&dev->global_list); 26 list_del(&dev->global_list);
27 dev->global_list.next = dev->global_list.prev = NULL; 27 dev->global_list.next = dev->global_list.prev = NULL;
28 spin_unlock(&pci_bus_lock); 28 up_write(&pci_bus_sem);
29 } 29 }
30 30
31 /* Remove the device from the device lists, and prevent any further 31 /* Remove the device from the device lists, and prevent any further
32 * list accesses from this device */ 32 * list accesses from this device */
33 spin_lock(&pci_bus_lock); 33 down_write(&pci_bus_sem);
34 list_del(&dev->bus_list); 34 list_del(&dev->bus_list);
35 dev->bus_list.next = dev->bus_list.prev = NULL; 35 dev->bus_list.next = dev->bus_list.prev = NULL;
36 spin_unlock(&pci_bus_lock); 36 up_write(&pci_bus_sem);
37 37
38 pci_free_resources(dev); 38 pci_free_resources(dev);
39 pci_dev_put(dev); 39 pci_dev_put(dev);
@@ -62,9 +62,9 @@ void pci_remove_bus(struct pci_bus *pci_bus)
62{ 62{
63 pci_proc_detach_bus(pci_bus); 63 pci_proc_detach_bus(pci_bus);
64 64
65 spin_lock(&pci_bus_lock); 65 down_write(&pci_bus_sem);
66 list_del(&pci_bus->node); 66 list_del(&pci_bus->node);
67 spin_unlock(&pci_bus_lock); 67 up_write(&pci_bus_sem);
68 pci_remove_legacy_files(pci_bus); 68 pci_remove_legacy_files(pci_bus);
69 class_device_remove_file(&pci_bus->class_dev, 69 class_device_remove_file(&pci_bus->class_dev,
70 &class_device_attr_cpuaffinity); 70 &class_device_attr_cpuaffinity);
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index ce7dd6e7be60..622b3f8ba820 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -13,7 +13,7 @@
13#include <linux/interrupt.h> 13#include <linux/interrupt.h>
14#include "pci.h" 14#include "pci.h"
15 15
16DEFINE_SPINLOCK(pci_bus_lock); 16DECLARE_RWSEM(pci_bus_sem);
17 17
18static struct pci_bus * __devinit 18static struct pci_bus * __devinit
19pci_do_find_bus(struct pci_bus* bus, unsigned char busnr) 19pci_do_find_bus(struct pci_bus* bus, unsigned char busnr)
@@ -72,11 +72,11 @@ pci_find_next_bus(const struct pci_bus *from)
72 struct pci_bus *b = NULL; 72 struct pci_bus *b = NULL;
73 73
74 WARN_ON(in_interrupt()); 74 WARN_ON(in_interrupt());
75 spin_lock(&pci_bus_lock); 75 down_read(&pci_bus_sem);
76 n = from ? from->node.next : pci_root_buses.next; 76 n = from ? from->node.next : pci_root_buses.next;
77 if (n != &pci_root_buses) 77 if (n != &pci_root_buses)
78 b = pci_bus_b(n); 78 b = pci_bus_b(n);
79 spin_unlock(&pci_bus_lock); 79 up_read(&pci_bus_sem);
80 return b; 80 return b;
81} 81}
82 82
@@ -124,7 +124,7 @@ struct pci_dev * pci_get_slot(struct pci_bus *bus, unsigned int devfn)
124 struct pci_dev *dev; 124 struct pci_dev *dev;
125 125
126 WARN_ON(in_interrupt()); 126 WARN_ON(in_interrupt());
127 spin_lock(&pci_bus_lock); 127 down_read(&pci_bus_sem);
128 128
129 list_for_each(tmp, &bus->devices) { 129 list_for_each(tmp, &bus->devices) {
130 dev = pci_dev_b(tmp); 130 dev = pci_dev_b(tmp);
@@ -135,7 +135,7 @@ struct pci_dev * pci_get_slot(struct pci_bus *bus, unsigned int devfn)
135 dev = NULL; 135 dev = NULL;
136 out: 136 out:
137 pci_dev_get(dev); 137 pci_dev_get(dev);
138 spin_unlock(&pci_bus_lock); 138 up_read(&pci_bus_sem);
139 return dev; 139 return dev;
140} 140}
141 141
@@ -167,7 +167,7 @@ static struct pci_dev * pci_find_subsys(unsigned int vendor,
167 struct pci_dev *dev; 167 struct pci_dev *dev;
168 168
169 WARN_ON(in_interrupt()); 169 WARN_ON(in_interrupt());
170 spin_lock(&pci_bus_lock); 170 down_read(&pci_bus_sem);
171 n = from ? from->global_list.next : pci_devices.next; 171 n = from ? from->global_list.next : pci_devices.next;
172 172
173 while (n && (n != &pci_devices)) { 173 while (n && (n != &pci_devices)) {
@@ -181,7 +181,7 @@ static struct pci_dev * pci_find_subsys(unsigned int vendor,
181 } 181 }
182 dev = NULL; 182 dev = NULL;
183exit: 183exit:
184 spin_unlock(&pci_bus_lock); 184 up_read(&pci_bus_sem);
185 return dev; 185 return dev;
186} 186}
187 187
@@ -232,7 +232,7 @@ pci_get_subsys(unsigned int vendor, unsigned int device,
232 struct pci_dev *dev; 232 struct pci_dev *dev;
233 233
234 WARN_ON(in_interrupt()); 234 WARN_ON(in_interrupt());
235 spin_lock(&pci_bus_lock); 235 down_read(&pci_bus_sem);
236 n = from ? from->global_list.next : pci_devices.next; 236 n = from ? from->global_list.next : pci_devices.next;
237 237
238 while (n && (n != &pci_devices)) { 238 while (n && (n != &pci_devices)) {
@@ -247,7 +247,7 @@ pci_get_subsys(unsigned int vendor, unsigned int device,
247 dev = NULL; 247 dev = NULL;
248exit: 248exit:
249 dev = pci_dev_get(dev); 249 dev = pci_dev_get(dev);
250 spin_unlock(&pci_bus_lock); 250 up_read(&pci_bus_sem);
251 pci_dev_put(from); 251 pci_dev_put(from);
252 return dev; 252 return dev;
253} 253}
@@ -292,7 +292,7 @@ pci_find_device_reverse(unsigned int vendor, unsigned int device, const struct p
292 struct pci_dev *dev; 292 struct pci_dev *dev;
293 293
294 WARN_ON(in_interrupt()); 294 WARN_ON(in_interrupt());
295 spin_lock(&pci_bus_lock); 295 down_read(&pci_bus_sem);
296 n = from ? from->global_list.prev : pci_devices.prev; 296 n = from ? from->global_list.prev : pci_devices.prev;
297 297
298 while (n && (n != &pci_devices)) { 298 while (n && (n != &pci_devices)) {
@@ -304,7 +304,7 @@ pci_find_device_reverse(unsigned int vendor, unsigned int device, const struct p
304 } 304 }
305 dev = NULL; 305 dev = NULL;
306exit: 306exit:
307 spin_unlock(&pci_bus_lock); 307 up_read(&pci_bus_sem);
308 return dev; 308 return dev;
309} 309}
310 310
@@ -328,7 +328,7 @@ struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from)
328 struct pci_dev *dev; 328 struct pci_dev *dev;
329 329
330 WARN_ON(in_interrupt()); 330 WARN_ON(in_interrupt());
331 spin_lock(&pci_bus_lock); 331 down_read(&pci_bus_sem);
332 n = from ? from->global_list.next : pci_devices.next; 332 n = from ? from->global_list.next : pci_devices.next;
333 333
334 while (n && (n != &pci_devices)) { 334 while (n && (n != &pci_devices)) {
@@ -340,7 +340,7 @@ struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from)
340 dev = NULL; 340 dev = NULL;
341exit: 341exit:
342 dev = pci_dev_get(dev); 342 dev = pci_dev_get(dev);
343 spin_unlock(&pci_bus_lock); 343 up_read(&pci_bus_sem);
344 pci_dev_put(from); 344 pci_dev_put(from);
345 return dev; 345 return dev;
346} 346}
@@ -362,7 +362,7 @@ int pci_dev_present(const struct pci_device_id *ids)
362 int found = 0; 362 int found = 0;
363 363
364 WARN_ON(in_interrupt()); 364 WARN_ON(in_interrupt());
365 spin_lock(&pci_bus_lock); 365 down_read(&pci_bus_sem);
366 while (ids->vendor || ids->subvendor || ids->class_mask) { 366 while (ids->vendor || ids->subvendor || ids->class_mask) {
367 list_for_each_entry(dev, &pci_devices, global_list) { 367 list_for_each_entry(dev, &pci_devices, global_list) {
368 if (pci_match_one_device(ids, dev)) { 368 if (pci_match_one_device(ids, dev)) {
@@ -372,8 +372,8 @@ int pci_dev_present(const struct pci_device_id *ids)
372 } 372 }
373 ids++; 373 ids++;
374 } 374 }
375exit: 375exit:
376 spin_unlock(&pci_bus_lock); 376 up_read(&pci_bus_sem);
377 return found; 377 return found;
378} 378}
379EXPORT_SYMBOL(pci_dev_present); 379EXPORT_SYMBOL(pci_dev_present);
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 28ce3a7ee434..35086e80faa9 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -55,9 +55,10 @@ pbus_assign_resources_sorted(struct pci_bus *bus)
55 list_for_each_entry(dev, &bus->devices, bus_list) { 55 list_for_each_entry(dev, &bus->devices, bus_list) {
56 u16 class = dev->class >> 8; 56 u16 class = dev->class >> 8;
57 57
58 /* Don't touch classless devices and host bridges. */ 58 /* Don't touch classless devices or host bridges or ioapics. */
59 if (class == PCI_CLASS_NOT_DEFINED || 59 if (class == PCI_CLASS_NOT_DEFINED ||
60 class == PCI_CLASS_BRIDGE_HOST) 60 class == PCI_CLASS_BRIDGE_HOST ||
61 class == PCI_CLASS_SYSTEM_PIC)
61 continue; 62 continue;
62 63
63 pdev_sort_resources(dev, &head); 64 pdev_sort_resources(dev, &head);
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index ea9277b7f899..577f4b55c46d 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -155,6 +155,46 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
155 return ret; 155 return ret;
156} 156}
157 157
158#ifdef CONFIG_EMBEDDED
159int pci_assign_resource_fixed(struct pci_dev *dev, int resno)
160{
161 struct pci_bus *bus = dev->bus;
162 struct resource *res = dev->resource + resno;
163 unsigned int type_mask;
164 int i, ret = -EBUSY;
165
166 type_mask = IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH;
167
168 for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
169 struct resource *r = bus->resource[i];
170 if (!r)
171 continue;
172
173 /* type_mask must match */
174 if ((res->flags ^ r->flags) & type_mask)
175 continue;
176
177 ret = request_resource(r, res);
178
179 if (ret == 0)
180 break;
181 }
182
183 if (ret) {
184 printk(KERN_ERR "PCI: Failed to allocate %s resource "
185 "#%d:%llx@%llx for %s\n",
186 res->flags & IORESOURCE_IO ? "I/O" : "mem",
187 resno, (unsigned long long)(res->end - res->start + 1),
188 (unsigned long long)res->start, pci_name(dev));
189 } else if (resno < PCI_BRIDGE_RESOURCES) {
190 pci_update_resource(dev, res, resno);
191 }
192
193 return ret;
194}
195EXPORT_SYMBOL_GPL(pci_assign_resource_fixed);
196#endif
197
158/* Sort resources by alignment */ 198/* Sort resources by alignment */
159void __devinit 199void __devinit
160pdev_sort_resources(struct pci_dev *dev, struct resource_list *head) 200pdev_sort_resources(struct pci_dev *dev, struct resource_list *head)
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index 77bb2351500c..680f6063954b 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -397,30 +397,6 @@
397#include "ql1280_fw.h" 397#include "ql1280_fw.h"
398#include "ql1040_fw.h" 398#include "ql1040_fw.h"
399 399
400
401/*
402 * Missing PCI ID's
403 */
404#ifndef PCI_DEVICE_ID_QLOGIC_ISP1080
405#define PCI_DEVICE_ID_QLOGIC_ISP1080 0x1080
406#endif
407#ifndef PCI_DEVICE_ID_QLOGIC_ISP1240
408#define PCI_DEVICE_ID_QLOGIC_ISP1240 0x1240
409#endif
410#ifndef PCI_DEVICE_ID_QLOGIC_ISP1280
411#define PCI_DEVICE_ID_QLOGIC_ISP1280 0x1280
412#endif
413#ifndef PCI_DEVICE_ID_QLOGIC_ISP10160
414#define PCI_DEVICE_ID_QLOGIC_ISP10160 0x1016
415#endif
416#ifndef PCI_DEVICE_ID_QLOGIC_ISP12160
417#define PCI_DEVICE_ID_QLOGIC_ISP12160 0x1216
418#endif
419
420#ifndef PCI_VENDOR_ID_AMI
421#define PCI_VENDOR_ID_AMI 0x101e
422#endif
423
424#ifndef BITS_PER_LONG 400#ifndef BITS_PER_LONG
425#error "BITS_PER_LONG not defined!" 401#error "BITS_PER_LONG not defined!"
426#endif 402#endif
diff --git a/drivers/scsi/sata_vsc.c b/drivers/scsi/sata_vsc.c
index 8a29ce340b47..27d658704cf9 100644
--- a/drivers/scsi/sata_vsc.c
+++ b/drivers/scsi/sata_vsc.c
@@ -433,13 +433,14 @@ err_out:
433 433
434 434
435/* 435/*
436 * 0x1725/0x7174 is the Vitesse VSC-7174 436 * Intel 31244 is supposed to be identical.
437 * 0x8086/0x3200 is the Intel 31244, which is supposed to be identical 437 * Compatibility is untested as of yet.
438 * compatibility is untested as of yet
439 */ 438 */
440static const struct pci_device_id vsc_sata_pci_tbl[] = { 439static const struct pci_device_id vsc_sata_pci_tbl[] = {
441 { 0x1725, 0x7174, PCI_ANY_ID, PCI_ANY_ID, 0x10600, 0xFFFFFF, 0 }, 440 { PCI_VENDOR_ID_VITESSE, PCI_DEVICE_ID_VITESSE_VSC7174,
442 { 0x8086, 0x3200, PCI_ANY_ID, PCI_ANY_ID, 0x10600, 0xFFFFFF, 0 }, 441 PCI_ANY_ID, PCI_ANY_ID, 0x10600, 0xFFFFFF, 0 },
442 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_GD31244,
443 PCI_ANY_ID, PCI_ANY_ID, 0x10600, 0xFFFFFF, 0 },
443 { } 444 { }
444}; 445};
445 446
diff --git a/include/asm-i386/msi.h b/include/asm-i386/msi.h
index f041d4495faf..b11c4b7dfaef 100644
--- a/include/asm-i386/msi.h
+++ b/include/asm-i386/msi.h
@@ -9,7 +9,15 @@
9#include <asm/desc.h> 9#include <asm/desc.h>
10#include <mach_apic.h> 10#include <mach_apic.h>
11 11
12#define LAST_DEVICE_VECTOR 232 12#define LAST_DEVICE_VECTOR (FIRST_SYSTEM_VECTOR - 1)
13#define MSI_TARGET_CPU_SHIFT 12 13#define MSI_TARGET_CPU_SHIFT 12
14 14
15extern struct msi_ops msi_apic_ops;
16
17static inline int msi_arch_init(void)
18{
19 msi_register(&msi_apic_ops);
20 return 0;
21}
22
15#endif /* ASM_MSI_H */ 23#endif /* ASM_MSI_H */
diff --git a/include/asm-ia64/hw_irq.h b/include/asm-ia64/hw_irq.h
index 0cf119b42f7d..ea8b8c407ab4 100644
--- a/include/asm-ia64/hw_irq.h
+++ b/include/asm-ia64/hw_irq.h
@@ -47,9 +47,19 @@ typedef u8 ia64_vector;
47#define IA64_CMC_VECTOR 0x1f /* corrected machine-check interrupt vector */ 47#define IA64_CMC_VECTOR 0x1f /* corrected machine-check interrupt vector */
48/* 48/*
49 * Vectors 0x20-0x2f are reserved for legacy ISA IRQs. 49 * Vectors 0x20-0x2f are reserved for legacy ISA IRQs.
50 * Use vectors 0x30-0xe7 as the default device vector range for ia64.
51 * Platforms may choose to reduce this range in platform_irq_setup, but the
52 * platform range must fall within
53 * [IA64_DEF_FIRST_DEVICE_VECTOR..IA64_DEF_LAST_DEVICE_VECTOR]
50 */ 54 */
51#define IA64_FIRST_DEVICE_VECTOR 0x30 55extern int ia64_first_device_vector;
52#define IA64_LAST_DEVICE_VECTOR 0xe7 56extern int ia64_last_device_vector;
57
58#define IA64_DEF_FIRST_DEVICE_VECTOR 0x30
59#define IA64_DEF_LAST_DEVICE_VECTOR 0xe7
60#define IA64_FIRST_DEVICE_VECTOR ia64_first_device_vector
61#define IA64_LAST_DEVICE_VECTOR ia64_last_device_vector
62#define IA64_MAX_DEVICE_VECTORS (IA64_DEF_LAST_DEVICE_VECTOR - IA64_DEF_FIRST_DEVICE_VECTOR + 1)
53#define IA64_NUM_DEVICE_VECTORS (IA64_LAST_DEVICE_VECTOR - IA64_FIRST_DEVICE_VECTOR + 1) 63#define IA64_NUM_DEVICE_VECTORS (IA64_LAST_DEVICE_VECTOR - IA64_FIRST_DEVICE_VECTOR + 1)
54 64
55#define IA64_MCA_RENDEZ_VECTOR 0xe8 /* MCA rendez interrupt */ 65#define IA64_MCA_RENDEZ_VECTOR 0xe8 /* MCA rendez interrupt */
@@ -83,6 +93,7 @@ extern struct hw_interrupt_type irq_type_ia64_lsapic; /* CPU-internal interrupt
83 93
84extern int assign_irq_vector (int irq); /* allocate a free vector */ 94extern int assign_irq_vector (int irq); /* allocate a free vector */
85extern void free_irq_vector (int vector); 95extern void free_irq_vector (int vector);
96extern int reserve_irq_vector (int vector);
86extern void ia64_send_ipi (int cpu, int vector, int delivery_mode, int redirect); 97extern void ia64_send_ipi (int cpu, int vector, int delivery_mode, int redirect);
87extern void register_percpu_irq (ia64_vector vec, struct irqaction *action); 98extern void register_percpu_irq (ia64_vector vec, struct irqaction *action);
88 99
diff --git a/include/asm-ia64/machvec.h b/include/asm-ia64/machvec.h
index 0df72a134c8b..15b545a897a4 100644
--- a/include/asm-ia64/machvec.h
+++ b/include/asm-ia64/machvec.h
@@ -75,6 +75,7 @@ typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem *);
75typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem *); 75typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem *);
76typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem *); 76typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem *);
77typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem *); 77typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem *);
78typedef int ia64_mv_msi_init_t (void);
78 79
79static inline void 80static inline void
80machvec_noop (void) 81machvec_noop (void)
@@ -153,6 +154,7 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *);
153# define platform_readl_relaxed ia64_mv.readl_relaxed 154# define platform_readl_relaxed ia64_mv.readl_relaxed
154# define platform_readq_relaxed ia64_mv.readq_relaxed 155# define platform_readq_relaxed ia64_mv.readq_relaxed
155# define platform_migrate ia64_mv.migrate 156# define platform_migrate ia64_mv.migrate
157# define platform_msi_init ia64_mv.msi_init
156# endif 158# endif
157 159
158/* __attribute__((__aligned__(16))) is required to make size of the 160/* __attribute__((__aligned__(16))) is required to make size of the
@@ -202,6 +204,7 @@ struct ia64_machine_vector {
202 ia64_mv_readl_relaxed_t *readl_relaxed; 204 ia64_mv_readl_relaxed_t *readl_relaxed;
203 ia64_mv_readq_relaxed_t *readq_relaxed; 205 ia64_mv_readq_relaxed_t *readq_relaxed;
204 ia64_mv_migrate_t *migrate; 206 ia64_mv_migrate_t *migrate;
207 ia64_mv_msi_init_t *msi_init;
205} __attribute__((__aligned__(16))); /* align attrib? see above comment */ 208} __attribute__((__aligned__(16))); /* align attrib? see above comment */
206 209
207#define MACHVEC_INIT(name) \ 210#define MACHVEC_INIT(name) \
@@ -247,6 +250,7 @@ struct ia64_machine_vector {
247 platform_readl_relaxed, \ 250 platform_readl_relaxed, \
248 platform_readq_relaxed, \ 251 platform_readq_relaxed, \
249 platform_migrate, \ 252 platform_migrate, \
253 platform_msi_init, \
250} 254}
251 255
252extern struct ia64_machine_vector ia64_mv; 256extern struct ia64_machine_vector ia64_mv;
@@ -400,5 +404,8 @@ extern int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size
400#ifndef platform_migrate 404#ifndef platform_migrate
401# define platform_migrate machvec_noop_task 405# define platform_migrate machvec_noop_task
402#endif 406#endif
407#ifndef platform_msi_init
408# define platform_msi_init ((ia64_mv_msi_init_t*)NULL)
409#endif
403 410
404#endif /* _ASM_IA64_MACHVEC_H */ 411#endif /* _ASM_IA64_MACHVEC_H */
diff --git a/include/asm-ia64/machvec_sn2.h b/include/asm-ia64/machvec_sn2.h
index da1d43755afe..cf724dc79d8c 100644
--- a/include/asm-ia64/machvec_sn2.h
+++ b/include/asm-ia64/machvec_sn2.h
@@ -67,6 +67,8 @@ extern ia64_mv_dma_sync_sg_for_device sn_dma_sync_sg_for_device;
67extern ia64_mv_dma_mapping_error sn_dma_mapping_error; 67extern ia64_mv_dma_mapping_error sn_dma_mapping_error;
68extern ia64_mv_dma_supported sn_dma_supported; 68extern ia64_mv_dma_supported sn_dma_supported;
69extern ia64_mv_migrate_t sn_migrate; 69extern ia64_mv_migrate_t sn_migrate;
70extern ia64_mv_msi_init_t sn_msi_init;
71
70 72
71/* 73/*
72 * This stuff has dual use! 74 * This stuff has dual use!
@@ -117,6 +119,11 @@ extern ia64_mv_migrate_t sn_migrate;
117#define platform_dma_mapping_error sn_dma_mapping_error 119#define platform_dma_mapping_error sn_dma_mapping_error
118#define platform_dma_supported sn_dma_supported 120#define platform_dma_supported sn_dma_supported
119#define platform_migrate sn_migrate 121#define platform_migrate sn_migrate
122#ifdef CONFIG_PCI_MSI
123#define platform_msi_init sn_msi_init
124#else
125#define platform_msi_init ((ia64_mv_msi_init_t*)NULL)
126#endif
120 127
121#include <asm/sn/io.h> 128#include <asm/sn/io.h>
122 129
diff --git a/include/asm-ia64/msi.h b/include/asm-ia64/msi.h
index 97890f7762b3..bb92b0dbde2f 100644
--- a/include/asm-ia64/msi.h
+++ b/include/asm-ia64/msi.h
@@ -14,4 +14,16 @@ static inline void set_intr_gate (int nr, void *func) {}
14#define ack_APIC_irq ia64_eoi 14#define ack_APIC_irq ia64_eoi
15#define MSI_TARGET_CPU_SHIFT 4 15#define MSI_TARGET_CPU_SHIFT 4
16 16
17extern struct msi_ops msi_apic_ops;
18
19static inline int msi_arch_init(void)
20{
21 if (platform_msi_init)
22 return platform_msi_init();
23
24 /* default ops for most ia64 platforms */
25 msi_register(&msi_apic_ops);
26 return 0;
27}
28
17#endif /* ASM_MSI_H */ 29#endif /* ASM_MSI_H */
diff --git a/include/asm-ia64/sn/intr.h b/include/asm-ia64/sn/intr.h
index 60a51a406eec..12b54ddb06be 100644
--- a/include/asm-ia64/sn/intr.h
+++ b/include/asm-ia64/sn/intr.h
@@ -10,6 +10,7 @@
10#define _ASM_IA64_SN_INTR_H 10#define _ASM_IA64_SN_INTR_H
11 11
12#include <linux/rcupdate.h> 12#include <linux/rcupdate.h>
13#include <asm/sn/types.h>
13 14
14#define SGI_UART_VECTOR 0xe9 15#define SGI_UART_VECTOR 0xe9
15 16
@@ -40,6 +41,7 @@ struct sn_irq_info {
40 int irq_cpuid; /* kernel logical cpuid */ 41 int irq_cpuid; /* kernel logical cpuid */
41 int irq_irq; /* the IRQ number */ 42 int irq_irq; /* the IRQ number */
42 int irq_int_bit; /* Bridge interrupt pin */ 43 int irq_int_bit; /* Bridge interrupt pin */
44 /* <0 means MSI */
43 u64 irq_xtalkaddr; /* xtalkaddr IRQ is sent to */ 45 u64 irq_xtalkaddr; /* xtalkaddr IRQ is sent to */
44 int irq_bridge_type;/* pciio asic type (pciio.h) */ 46 int irq_bridge_type;/* pciio asic type (pciio.h) */
45 void *irq_bridge; /* bridge generating irq */ 47 void *irq_bridge; /* bridge generating irq */
@@ -53,6 +55,12 @@ struct sn_irq_info {
53}; 55};
54 56
55extern void sn_send_IPI_phys(int, long, int, int); 57extern void sn_send_IPI_phys(int, long, int, int);
58extern u64 sn_intr_alloc(nasid_t, int,
59 struct sn_irq_info *,
60 int, nasid_t, int);
61extern void sn_intr_free(nasid_t, int, struct sn_irq_info *);
62extern struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *, nasid_t, int);
63extern struct list_head **sn_irq_lh;
56 64
57#define CPU_VECTOR_TO_IRQ(cpuid,vector) (vector) 65#define CPU_VECTOR_TO_IRQ(cpuid,vector) (vector)
58 66
diff --git a/include/asm-ia64/sn/pcibr_provider.h b/include/asm-ia64/sn/pcibr_provider.h
index 51260ab70d91..e3b0c3fe5eed 100644
--- a/include/asm-ia64/sn/pcibr_provider.h
+++ b/include/asm-ia64/sn/pcibr_provider.h
@@ -55,6 +55,7 @@
55#define PCI32_ATE_V (0x1 << 0) 55#define PCI32_ATE_V (0x1 << 0)
56#define PCI32_ATE_CO (0x1 << 1) 56#define PCI32_ATE_CO (0x1 << 1)
57#define PCI32_ATE_PREC (0x1 << 2) 57#define PCI32_ATE_PREC (0x1 << 2)
58#define PCI32_ATE_MSI (0x1 << 2)
58#define PCI32_ATE_PREF (0x1 << 3) 59#define PCI32_ATE_PREF (0x1 << 3)
59#define PCI32_ATE_BAR (0x1 << 4) 60#define PCI32_ATE_BAR (0x1 << 4)
60#define PCI32_ATE_ADDR_SHFT 12 61#define PCI32_ATE_ADDR_SHFT 12
@@ -117,8 +118,8 @@ struct pcibus_info {
117 118
118extern int pcibr_init_provider(void); 119extern int pcibr_init_provider(void);
119extern void *pcibr_bus_fixup(struct pcibus_bussoft *, struct pci_controller *); 120extern void *pcibr_bus_fixup(struct pcibus_bussoft *, struct pci_controller *);
120extern dma_addr_t pcibr_dma_map(struct pci_dev *, unsigned long, size_t); 121extern dma_addr_t pcibr_dma_map(struct pci_dev *, unsigned long, size_t, int type);
121extern dma_addr_t pcibr_dma_map_consistent(struct pci_dev *, unsigned long, size_t); 122extern dma_addr_t pcibr_dma_map_consistent(struct pci_dev *, unsigned long, size_t, int type);
122extern void pcibr_dma_unmap(struct pci_dev *, dma_addr_t, int); 123extern void pcibr_dma_unmap(struct pci_dev *, dma_addr_t, int);
123 124
124/* 125/*
diff --git a/include/asm-ia64/sn/pcibus_provider_defs.h b/include/asm-ia64/sn/pcibus_provider_defs.h
index ce3f6c328241..8f7c83d0f6d3 100644
--- a/include/asm-ia64/sn/pcibus_provider_defs.h
+++ b/include/asm-ia64/sn/pcibus_provider_defs.h
@@ -3,7 +3,7 @@
3 * License. See the file "COPYING" in the main directory of this archive 3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details. 4 * for more details.
5 * 5 *
6 * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved. 6 * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved.
7 */ 7 */
8#ifndef _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H 8#ifndef _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
9#define _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H 9#define _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
@@ -45,13 +45,24 @@ struct pci_controller;
45 */ 45 */
46 46
47struct sn_pcibus_provider { 47struct sn_pcibus_provider {
48 dma_addr_t (*dma_map)(struct pci_dev *, unsigned long, size_t); 48 dma_addr_t (*dma_map)(struct pci_dev *, unsigned long, size_t, int flags);
49 dma_addr_t (*dma_map_consistent)(struct pci_dev *, unsigned long, size_t); 49 dma_addr_t (*dma_map_consistent)(struct pci_dev *, unsigned long, size_t, int flags);
50 void (*dma_unmap)(struct pci_dev *, dma_addr_t, int); 50 void (*dma_unmap)(struct pci_dev *, dma_addr_t, int);
51 void * (*bus_fixup)(struct pcibus_bussoft *, struct pci_controller *); 51 void * (*bus_fixup)(struct pcibus_bussoft *, struct pci_controller *);
52 void (*force_interrupt)(struct sn_irq_info *); 52 void (*force_interrupt)(struct sn_irq_info *);
53 void (*target_interrupt)(struct sn_irq_info *); 53 void (*target_interrupt)(struct sn_irq_info *);
54}; 54};
55 55
56/*
57 * Flags used by the map interfaces
58 * bits 3:0 specifies format of passed in address
59 * bit 4 specifies that address is to be used for MSI
60 */
61
62#define SN_DMA_ADDRTYPE(x) ((x) & 0xf)
63#define SN_DMA_ADDR_PHYS 1 /* address is an xio address. */
64#define SN_DMA_ADDR_XIO 2 /* address is phys memory */
65#define SN_DMA_MSI 0x10 /* Bus address is to be used for MSI */
66
56extern struct sn_pcibus_provider *sn_pci_provider[]; 67extern struct sn_pcibus_provider *sn_pci_provider[];
57#endif /* _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H */ 68#endif /* _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H */
diff --git a/include/asm-ia64/sn/tiocp.h b/include/asm-ia64/sn/tiocp.h
index f47c08ab483c..e8ad0bb5b6c5 100644
--- a/include/asm-ia64/sn/tiocp.h
+++ b/include/asm-ia64/sn/tiocp.h
@@ -3,13 +3,14 @@
3 * License. See the file "COPYING" in the main directory of this archive 3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details. 4 * for more details.
5 * 5 *
6 * Copyright (C) 2003-2004 Silicon Graphics, Inc. All rights reserved. 6 * Copyright (C) 2003-2005 Silicon Graphics, Inc. All rights reserved.
7 */ 7 */
8#ifndef _ASM_IA64_SN_PCI_TIOCP_H 8#ifndef _ASM_IA64_SN_PCI_TIOCP_H
9#define _ASM_IA64_SN_PCI_TIOCP_H 9#define _ASM_IA64_SN_PCI_TIOCP_H
10 10
11#define TIOCP_HOST_INTR_ADDR 0x003FFFFFFFFFFFFFUL 11#define TIOCP_HOST_INTR_ADDR 0x003FFFFFFFFFFFFFUL
12#define TIOCP_PCI64_CMDTYPE_MEM (0x1ull << 60) 12#define TIOCP_PCI64_CMDTYPE_MEM (0x1ull << 60)
13#define TIOCP_PCI64_CMDTYPE_MSI (0x3ull << 60)
13 14
14 15
15/***************************************************************************** 16/*****************************************************************************
diff --git a/include/asm-x86_64/msi.h b/include/asm-x86_64/msi.h
index 356e0e82f50b..3ad2346624b2 100644
--- a/include/asm-x86_64/msi.h
+++ b/include/asm-x86_64/msi.h
@@ -10,7 +10,15 @@
10#include <asm/mach_apic.h> 10#include <asm/mach_apic.h>
11#include <asm/smp.h> 11#include <asm/smp.h>
12 12
13#define LAST_DEVICE_VECTOR 232 13#define LAST_DEVICE_VECTOR (FIRST_SYSTEM_VECTOR - 1)
14#define MSI_TARGET_CPU_SHIFT 12 14#define MSI_TARGET_CPU_SHIFT 12
15 15
16extern struct msi_ops msi_apic_ops;
17
18static inline int msi_arch_init(void)
19{
20 msi_register(&msi_apic_ops);
21 return 0;
22}
23
16#endif /* ASM_MSI_H */ 24#endif /* ASM_MSI_H */
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 6c4bc773f7b7..62a8c22f5f60 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -162,6 +162,9 @@ struct pci_dev {
162 unsigned int is_busmaster:1; /* device is busmaster */ 162 unsigned int is_busmaster:1; /* device is busmaster */
163 unsigned int no_msi:1; /* device may not use msi */ 163 unsigned int no_msi:1; /* device may not use msi */
164 unsigned int block_ucfg_access:1; /* userspace config space access is blocked */ 164 unsigned int block_ucfg_access:1; /* userspace config space access is blocked */
165 unsigned int broken_parity_status:1; /* Device generates false positive parity */
166 unsigned int msi_enabled:1;
167 unsigned int msix_enabled:1;
165 168
166 u32 saved_config_space[16]; /* config space saved at suspend time */ 169 u32 saved_config_space[16]; /* config space saved at suspend time */
167 struct hlist_head saved_cap_space; 170 struct hlist_head saved_cap_space;
@@ -496,6 +499,7 @@ int pci_set_dma_mask(struct pci_dev *dev, u64 mask);
496int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask); 499int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask);
497void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno); 500void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno);
498int pci_assign_resource(struct pci_dev *dev, int i); 501int pci_assign_resource(struct pci_dev *dev, int i);
502int pci_assign_resource_fixed(struct pci_dev *dev, int i);
499void pci_restore_bars(struct pci_dev *dev); 503void pci_restore_bars(struct pci_dev *dev);
500 504
501/* ROM control related routines */ 505/* ROM control related routines */
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index bcfe9d4f56ae..fd54a9d4c3d4 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -848,7 +848,12 @@
848 848
849 849
850#define PCI_VENDOR_ID_QLOGIC 0x1077 850#define PCI_VENDOR_ID_QLOGIC 0x1077
851#define PCI_DEVICE_ID_QLOGIC_ISP10160 0x1016
851#define PCI_DEVICE_ID_QLOGIC_ISP1020 0x1020 852#define PCI_DEVICE_ID_QLOGIC_ISP1020 0x1020
853#define PCI_DEVICE_ID_QLOGIC_ISP1080 0x1080
854#define PCI_DEVICE_ID_QLOGIC_ISP12160 0x1216
855#define PCI_DEVICE_ID_QLOGIC_ISP1240 0x1240
856#define PCI_DEVICE_ID_QLOGIC_ISP1280 0x1280
852#define PCI_DEVICE_ID_QLOGIC_ISP2100 0x2100 857#define PCI_DEVICE_ID_QLOGIC_ISP2100 0x2100
853#define PCI_DEVICE_ID_QLOGIC_ISP2200 0x2200 858#define PCI_DEVICE_ID_QLOGIC_ISP2200 0x2200
854#define PCI_DEVICE_ID_QLOGIC_ISP2300 0x2300 859#define PCI_DEVICE_ID_QLOGIC_ISP2300 0x2300
@@ -1018,6 +1023,7 @@
1018#define PCI_DEVICE_ID_NVIDIA_NVENET_8 0x0056 1023#define PCI_DEVICE_ID_NVIDIA_NVENET_8 0x0056
1019#define PCI_DEVICE_ID_NVIDIA_NVENET_9 0x0057 1024#define PCI_DEVICE_ID_NVIDIA_NVENET_9 0x0057
1020#define PCI_DEVICE_ID_NVIDIA_CK804_AUDIO 0x0059 1025#define PCI_DEVICE_ID_NVIDIA_CK804_AUDIO 0x0059
1026#define PCI_DEVICE_ID_NVIDIA_CK804_PCIE 0x005d
1021#define PCI_DEVICE_ID_NVIDIA_NFORCE2_SMBUS 0x0064 1027#define PCI_DEVICE_ID_NVIDIA_NFORCE2_SMBUS 0x0064
1022#define PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE 0x0065 1028#define PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE 0x0065
1023#define PCI_DEVICE_ID_NVIDIA_NVENET_2 0x0066 1029#define PCI_DEVICE_ID_NVIDIA_NVENET_2 0x0066
@@ -1946,6 +1952,7 @@
1946 1952
1947#define PCI_VENDOR_ID_MELLANOX 0x15b3 1953#define PCI_VENDOR_ID_MELLANOX 0x15b3
1948#define PCI_DEVICE_ID_MELLANOX_TAVOR 0x5a44 1954#define PCI_DEVICE_ID_MELLANOX_TAVOR 0x5a44
1955#define PCI_DEVICE_ID_MELLANOX_TAVOR_BRIDGE 0x5a46
1949#define PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT 0x6278 1956#define PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT 0x6278
1950#define PCI_DEVICE_ID_MELLANOX_ARBEL 0x6282 1957#define PCI_DEVICE_ID_MELLANOX_ARBEL 0x6282
1951#define PCI_DEVICE_ID_MELLANOX_SINAI_OLD 0x5e8c 1958#define PCI_DEVICE_ID_MELLANOX_SINAI_OLD 0x5e8c
@@ -1969,6 +1976,9 @@
1969#define PCI_VENDOR_ID_NETCELL 0x169c 1976#define PCI_VENDOR_ID_NETCELL 0x169c
1970#define PCI_DEVICE_ID_REVOLUTION 0x0044 1977#define PCI_DEVICE_ID_REVOLUTION 0x0044
1971 1978
1979#define PCI_VENDOR_ID_VITESSE 0x1725
1980#define PCI_DEVICE_ID_VITESSE_VSC7174 0x7174
1981
1972#define PCI_VENDOR_ID_LINKSYS 0x1737 1982#define PCI_VENDOR_ID_LINKSYS 0x1737
1973#define PCI_DEVICE_ID_LINKSYS_EG1064 0x1064 1983#define PCI_DEVICE_ID_LINKSYS_EG1064 0x1064
1974 1984
@@ -2148,6 +2158,7 @@
2148#define PCI_DEVICE_ID_INTEL_ICH8_4 0x2815 2158#define PCI_DEVICE_ID_INTEL_ICH8_4 0x2815
2149#define PCI_DEVICE_ID_INTEL_ICH8_5 0x283e 2159#define PCI_DEVICE_ID_INTEL_ICH8_5 0x283e
2150#define PCI_DEVICE_ID_INTEL_ICH8_6 0x2850 2160#define PCI_DEVICE_ID_INTEL_ICH8_6 0x2850
2161#define PCI_DEVICE_ID_INTEL_GD31244 0x3200
2151#define PCI_DEVICE_ID_INTEL_82855PM_HB 0x3340 2162#define PCI_DEVICE_ID_INTEL_82855PM_HB 0x3340
2152#define PCI_DEVICE_ID_INTEL_82830_HB 0x3575 2163#define PCI_DEVICE_ID_INTEL_82830_HB 0x3575
2153#define PCI_DEVICE_ID_INTEL_82830_CGC 0x3577 2164#define PCI_DEVICE_ID_INTEL_82830_CGC 0x3577
generated by cgit v1.2.2 (git 2.25.0) at 2024-09-25 06:24:24 -0400