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yaml
---
r: 55253
b: refs/heads/master
c: e9870c4
h: refs/heads/master
i:
  55251: e528e05
v: v3
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David S. Miller committed May 8, 2007
1 parent 256f86e commit b52d3fd
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Showing 4 changed files with 120 additions and 132 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f1cd8de2c951e206b57fd76aff279cf13ea25815
refs/heads/master: e9870c4c0aef94580e28be11a1c6246dcabbe528
16 changes: 5 additions & 11 deletions trunk/arch/sparc64/kernel/pci.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1092,30 +1092,24 @@ EXPORT_SYMBOL(pci_domain_nr);
int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
{
struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller;
struct pci_controller_info *p = pbm->parent;
int virt_irq, err;
int virt_irq;

if (!pbm->msi_num || !p->setup_msi_irq)
if (!pbm->setup_msi_irq)
return -EINVAL;

err = p->setup_msi_irq(&virt_irq, pdev, desc);
if (err)
return err;

return 0;
return pbm->setup_msi_irq(&virt_irq, pdev, desc);
}

void arch_teardown_msi_irq(unsigned int virt_irq)
{
struct msi_desc *entry = get_irq_msi(virt_irq);
struct pci_dev *pdev = entry->dev;
struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller;
struct pci_controller_info *p = pbm->parent;

if (!pbm->msi_num || !p->setup_msi_irq)
if (!pbm->teardown_msi_irq)
return;

return p->teardown_msi_irq(virt_irq, pdev);
return pbm->teardown_msi_irq(virt_irq, pdev);
}
#endif /* !(CONFIG_PCI_MSI) */

Expand Down
224 changes: 111 additions & 113 deletions trunk/arch/sparc64/kernel/pci_sun4v.c
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Original file line number Diff line number Diff line change
Expand Up @@ -991,114 +991,6 @@ static int msi_queue_alloc(struct pci_pbm_info *pbm)
return -EINVAL;
}

static void pci_sun4v_msi_init(struct pci_pbm_info *pbm)
{
const u32 *val;
int len;

val = of_get_property(pbm->prom_node, "#msi-eqs", &len);
if (!val || len != 4)
goto no_msi;
pbm->msiq_num = *val;
if (pbm->msiq_num) {
const struct msiq_prop {
u32 first_msiq;
u32 num_msiq;
u32 first_devino;
} *mqp;
const struct msi_range_prop {
u32 first_msi;
u32 num_msi;
} *mrng;
const struct addr_range_prop {
u32 msi32_high;
u32 msi32_low;
u32 msi32_len;
u32 msi64_high;
u32 msi64_low;
u32 msi64_len;
} *arng;

val = of_get_property(pbm->prom_node, "msi-eq-size", &len);
if (!val || len != 4)
goto no_msi;

pbm->msiq_ent_count = *val;

mqp = of_get_property(pbm->prom_node,
"msi-eq-to-devino", &len);
if (!mqp || len != sizeof(struct msiq_prop))
goto no_msi;

pbm->msiq_first = mqp->first_msiq;
pbm->msiq_first_devino = mqp->first_devino;

val = of_get_property(pbm->prom_node, "#msi", &len);
if (!val || len != 4)
goto no_msi;
pbm->msi_num = *val;

mrng = of_get_property(pbm->prom_node, "msi-ranges", &len);
if (!mrng || len != sizeof(struct msi_range_prop))
goto no_msi;
pbm->msi_first = mrng->first_msi;

val = of_get_property(pbm->prom_node, "msi-data-mask", &len);
if (!val || len != 4)
goto no_msi;
pbm->msi_data_mask = *val;

val = of_get_property(pbm->prom_node, "msix-data-width", &len);
if (!val || len != 4)
goto no_msi;
pbm->msix_data_width = *val;

arng = of_get_property(pbm->prom_node, "msi-address-ranges",
&len);
if (!arng || len != sizeof(struct addr_range_prop))
goto no_msi;
pbm->msi32_start = ((u64)arng->msi32_high << 32) |
(u64) arng->msi32_low;
pbm->msi64_start = ((u64)arng->msi64_high << 32) |
(u64) arng->msi64_low;
pbm->msi32_len = arng->msi32_len;
pbm->msi64_len = arng->msi64_len;

if (msi_bitmap_alloc(pbm))
goto no_msi;

if (msi_queue_alloc(pbm)) {
msi_bitmap_free(pbm);
goto no_msi;
}

printk(KERN_INFO "%s: MSI Queue first[%u] num[%u] count[%u] "
"devino[0x%x]\n",
pbm->name,
pbm->msiq_first, pbm->msiq_num,
pbm->msiq_ent_count,
pbm->msiq_first_devino);
printk(KERN_INFO "%s: MSI first[%u] num[%u] mask[0x%x] "
"width[%u]\n",
pbm->name,
pbm->msi_first, pbm->msi_num, pbm->msi_data_mask,
pbm->msix_data_width);
printk(KERN_INFO "%s: MSI addr32[0x%lx:0x%x] "
"addr64[0x%lx:0x%x]\n",
pbm->name,
pbm->msi32_start, pbm->msi32_len,
pbm->msi64_start, pbm->msi64_len);
printk(KERN_INFO "%s: MSI queues at RA [%p]\n",
pbm->name,
pbm->msi_queues);
}

return;

no_msi:
pbm->msiq_num = 0;
printk(KERN_INFO "%s: No MSI support.\n", pbm->name);
}

static int alloc_msi(struct pci_pbm_info *pbm)
{
Expand Down Expand Up @@ -1217,6 +1109,117 @@ static void pci_sun4v_teardown_msi_irq(unsigned int virt_irq,
*/
sun4v_destroy_msi(virt_irq);
}

static void pci_sun4v_msi_init(struct pci_pbm_info *pbm)
{
const u32 *val;
int len;

val = of_get_property(pbm->prom_node, "#msi-eqs", &len);
if (!val || len != 4)
goto no_msi;
pbm->msiq_num = *val;
if (pbm->msiq_num) {
const struct msiq_prop {
u32 first_msiq;
u32 num_msiq;
u32 first_devino;
} *mqp;
const struct msi_range_prop {
u32 first_msi;
u32 num_msi;
} *mrng;
const struct addr_range_prop {
u32 msi32_high;
u32 msi32_low;
u32 msi32_len;
u32 msi64_high;
u32 msi64_low;
u32 msi64_len;
} *arng;

val = of_get_property(pbm->prom_node, "msi-eq-size", &len);
if (!val || len != 4)
goto no_msi;

pbm->msiq_ent_count = *val;

mqp = of_get_property(pbm->prom_node,
"msi-eq-to-devino", &len);
if (!mqp || len != sizeof(struct msiq_prop))
goto no_msi;

pbm->msiq_first = mqp->first_msiq;
pbm->msiq_first_devino = mqp->first_devino;

val = of_get_property(pbm->prom_node, "#msi", &len);
if (!val || len != 4)
goto no_msi;
pbm->msi_num = *val;

mrng = of_get_property(pbm->prom_node, "msi-ranges", &len);
if (!mrng || len != sizeof(struct msi_range_prop))
goto no_msi;
pbm->msi_first = mrng->first_msi;

val = of_get_property(pbm->prom_node, "msi-data-mask", &len);
if (!val || len != 4)
goto no_msi;
pbm->msi_data_mask = *val;

val = of_get_property(pbm->prom_node, "msix-data-width", &len);
if (!val || len != 4)
goto no_msi;
pbm->msix_data_width = *val;

arng = of_get_property(pbm->prom_node, "msi-address-ranges",
&len);
if (!arng || len != sizeof(struct addr_range_prop))
goto no_msi;
pbm->msi32_start = ((u64)arng->msi32_high << 32) |
(u64) arng->msi32_low;
pbm->msi64_start = ((u64)arng->msi64_high << 32) |
(u64) arng->msi64_low;
pbm->msi32_len = arng->msi32_len;
pbm->msi64_len = arng->msi64_len;

if (msi_bitmap_alloc(pbm))
goto no_msi;

if (msi_queue_alloc(pbm)) {
msi_bitmap_free(pbm);
goto no_msi;
}

printk(KERN_INFO "%s: MSI Queue first[%u] num[%u] count[%u] "
"devino[0x%x]\n",
pbm->name,
pbm->msiq_first, pbm->msiq_num,
pbm->msiq_ent_count,
pbm->msiq_first_devino);
printk(KERN_INFO "%s: MSI first[%u] num[%u] mask[0x%x] "
"width[%u]\n",
pbm->name,
pbm->msi_first, pbm->msi_num, pbm->msi_data_mask,
pbm->msix_data_width);
printk(KERN_INFO "%s: MSI addr32[0x%lx:0x%x] "
"addr64[0x%lx:0x%x]\n",
pbm->name,
pbm->msi32_start, pbm->msi32_len,
pbm->msi64_start, pbm->msi64_len);
printk(KERN_INFO "%s: MSI queues at RA [%p]\n",
pbm->name,
pbm->msi_queues);
}
pbm->setup_msi_irq = pci_sun4v_setup_msi_irq;
pbm->teardown_msi_irq = pci_sun4v_teardown_msi_irq;

return;

no_msi:
pbm->msiq_num = 0;
printk(KERN_INFO "%s: No MSI support.\n", pbm->name);
}
#else /* CONFIG_PCI_MSI */
static void pci_sun4v_msi_init(struct pci_pbm_info *pbm)
{
Expand Down Expand Up @@ -1303,11 +1306,6 @@ void sun4v_pci_init(struct device_node *dp, char *model_name)

p->index = pci_num_controllers++;

#ifdef CONFIG_PCI_MSI
p->setup_msi_irq = pci_sun4v_setup_msi_irq;
p->teardown_msi_irq = pci_sun4v_teardown_msi_irq;
#endif

/* Like PSYCHO and SCHIZO we have a 2GB aligned area
* for memory space.
*/
Expand Down
10 changes: 3 additions & 7 deletions trunk/include/asm-sparc64/pbm.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -103,6 +103,9 @@ struct pci_pbm_info {
u32 msi64_len;
void *msi_queues;
unsigned long *msi_bitmap;
int (*setup_msi_irq)(unsigned int *virt_irq_p, struct pci_dev *pdev,
struct msi_desc *entry);
void (*teardown_msi_irq)(unsigned int virt_irq, struct pci_dev *pdev);
#endif /* !(CONFIG_PCI_MSI) */

/* This PBM's streaming buffer. */
Expand All @@ -128,13 +131,6 @@ struct pci_controller_info {
/* The PCI bus modules controlled by us. */
struct pci_pbm_info pbm_A;
struct pci_pbm_info pbm_B;

/* Operations which are controller specific. */
#ifdef CONFIG_PCI_MSI
int (*setup_msi_irq)(unsigned int *virt_irq_p, struct pci_dev *pdev,
struct msi_desc *entry);
void (*teardown_msi_irq)(unsigned int virt_irq, struct pci_dev *pdev);
#endif
};

#endif /* !(__SPARC64_PBM_H) */

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