From: David S. Miller Date: Tue, 8 May 2007 06:28:50 +0000 (-0700) Subject: [SPARC64]: Move {setup,teardown}_msi_irq into pci_pbm_info. X-Git-Tag: v2.6.22-rc1~344^2~8 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e9870c4c0aef94580e28be11a1c6246dcabbe528;p=linux-2.6 [SPARC64]: Move {setup,teardown}_msi_irq into pci_pbm_info. Signed-off-by: David S. Miller --- diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index b583deb050..4d30d57c46 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -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) */ diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index ea61fec206..7ebc04f9a8 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -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. */ diff --git a/include/asm-sparc64/pbm.h b/include/asm-sparc64/pbm.h index 1f4de53dcd..1d5dcfe133 100644 --- a/include/asm-sparc64/pbm.h +++ b/include/asm-sparc64/pbm.h @@ -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) */