Skip to content

L
linux-davinci
Commit e9870c4c authored by David S. Miller's avatar David S. Miller
Browse files
Options

[SPARC64]: Move {setup,teardown}_msi_irq into pci_pbm_info. 

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f1cd8de2
Hide whitespace changes
Inline Side-by-side
Showing with 119 additions and 131 deletions
arch/sparc64/kernel/pci.c
View file @ e9870c4c
......@@ -1092,17 +1092,12 @@ 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)
......@@ -1110,12 +1105,11 @@ 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) */
......
arch/sparc64/kernel/pci_sun4v.c
View file @ e9870c4c
......@@ -991,114 +991,6 @@ h_error:
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)
{
......@@ -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)
{
......@@ -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.
*/
......
include/asm-sparc64/pbm.h
View file @ e9870c4c
......@@ -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. */
......@@ -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) */
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment