diff options
Diffstat (limited to 'drivers/pci/msi-altix.c')
| -rw-r--r-- | drivers/pci/msi-altix.c | 49 |
1 files changed, 25 insertions, 24 deletions
diff --git a/drivers/pci/msi-altix.c b/drivers/pci/msi-altix.c index bed4183a5e3..7aedc2ac8c2 100644 --- a/drivers/pci/msi-altix.c +++ b/drivers/pci/msi-altix.c @@ -26,7 +26,7 @@ struct sn_msi_info { static struct sn_msi_info *sn_msi_info; static void -sn_msi_teardown(unsigned int vector) +sn_msi_teardown(unsigned int irq) { nasid_t nasid; int widget; @@ -36,7 +36,7 @@ sn_msi_teardown(unsigned int vector) struct pcibus_bussoft *bussoft; struct sn_pcibus_provider *provider; - sn_irq_info = sn_msi_info[vector].sn_irq_info; + sn_irq_info = sn_msi_info[irq].sn_irq_info; if (sn_irq_info == NULL || sn_irq_info->irq_int_bit >= 0) return; @@ -45,9 +45,9 @@ sn_msi_teardown(unsigned int vector) provider = SN_PCIDEV_BUSPROVIDER(pdev); (*provider->dma_unmap)(pdev, - sn_msi_info[vector].pci_addr, + sn_msi_info[irq].pci_addr, PCI_DMA_FROMDEVICE); - sn_msi_info[vector].pci_addr = 0; + sn_msi_info[irq].pci_addr = 0; bussoft = SN_PCIDEV_BUSSOFT(pdev); nasid = NASID_GET(bussoft->bs_base); @@ -56,14 +56,13 @@ sn_msi_teardown(unsigned int vector) SWIN_WIDGETNUM(bussoft->bs_base); sn_intr_free(nasid, widget, sn_irq_info); - sn_msi_info[vector].sn_irq_info = NULL; + sn_msi_info[irq].sn_irq_info = NULL; return; } int -sn_msi_setup(struct pci_dev *pdev, unsigned int vector, - u32 *addr_hi, u32 *addr_lo, u32 *data) +sn_msi_setup(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg) { int widget; int status; @@ -93,7 +92,7 @@ sn_msi_setup(struct pci_dev *pdev, unsigned int vector, if (! sn_irq_info) return -ENOMEM; - status = sn_intr_alloc(nasid, widget, sn_irq_info, vector, -1, -1); + status = sn_intr_alloc(nasid, widget, sn_irq_info, irq, -1, -1); if (status) { kfree(sn_irq_info); return -ENOMEM; @@ -119,28 +118,27 @@ sn_msi_setup(struct pci_dev *pdev, unsigned int vector, return -ENOMEM; } - sn_msi_info[vector].sn_irq_info = sn_irq_info; - sn_msi_info[vector].pci_addr = bus_addr; + sn_msi_info[irq].sn_irq_info = sn_irq_info; + sn_msi_info[irq].pci_addr = bus_addr; - *addr_hi = (u32)(bus_addr >> 32); - *addr_lo = (u32)(bus_addr & 0x00000000ffffffff); + msg->address_hi = (u32)(bus_addr >> 32); + msg->address_lo = (u32)(bus_addr & 0x00000000ffffffff); /* * In the SN platform, bit 16 is a "send vector" bit which * must be present in order to move the vector through the system. */ - *data = 0x100 + (unsigned int)vector; + msg->data = 0x100 + irq; #ifdef CONFIG_SMP - set_irq_affinity_info((vector & 0xff), sn_irq_info->irq_cpuid, 0); + set_irq_affinity_info(irq, sn_irq_info->irq_cpuid, 0); #endif return 0; } static void -sn_msi_target(unsigned int vector, unsigned int cpu, - u32 *addr_hi, u32 *addr_lo) +sn_msi_target(unsigned int irq, cpumask_t cpu_mask, struct msi_msg *msg) { int slice; nasid_t nasid; @@ -150,8 +148,10 @@ sn_msi_target(unsigned int vector, unsigned int cpu, struct sn_irq_info *sn_irq_info; struct sn_irq_info *new_irq_info; struct sn_pcibus_provider *provider; + unsigned int cpu; - sn_irq_info = sn_msi_info[vector].sn_irq_info; + cpu = first_cpu(cpu_mask); + sn_irq_info = sn_msi_info[irq].sn_irq_info; if (sn_irq_info == NULL || sn_irq_info->irq_int_bit >= 0) return; @@ -163,15 +163,15 @@ sn_msi_target(unsigned int vector, unsigned int cpu, pdev = sn_pdev->pdi_linux_pcidev; provider = SN_PCIDEV_BUSPROVIDER(pdev); - bus_addr = (u64)(*addr_hi) << 32 | (u64)(*addr_lo); + bus_addr = (u64)(msg->address_hi) << 32 | (u64)(msg->address_lo); (*provider->dma_unmap)(pdev, bus_addr, PCI_DMA_FROMDEVICE); - sn_msi_info[vector].pci_addr = 0; + sn_msi_info[irq].pci_addr = 0; nasid = cpuid_to_nasid(cpu); slice = cpuid_to_slice(cpu); new_irq_info = sn_retarget_vector(sn_irq_info, nasid, slice); - sn_msi_info[vector].sn_irq_info = new_irq_info; + sn_msi_info[irq].sn_irq_info = new_irq_info; if (new_irq_info == NULL) return; @@ -184,12 +184,13 @@ sn_msi_target(unsigned int vector, unsigned int cpu, sizeof(new_irq_info->irq_xtalkaddr), SN_DMA_MSI|SN_DMA_ADDR_XIO); - sn_msi_info[vector].pci_addr = bus_addr; - *addr_hi = (u32)(bus_addr >> 32); - *addr_lo = (u32)(bus_addr & 0x00000000ffffffff); + sn_msi_info[irq].pci_addr = bus_addr; + msg->address_hi = (u32)(bus_addr >> 32); + msg->address_lo = (u32)(bus_addr & 0x00000000ffffffff); } struct msi_ops sn_msi_ops = { + .needs_64bit_address = 1, .setup = sn_msi_setup, .teardown = sn_msi_teardown, #ifdef CONFIG_SMP @@ -201,7 +202,7 @@ int sn_msi_init(void) { sn_msi_info = - kzalloc(sizeof(struct sn_msi_info) * NR_VECTORS, GFP_KERNEL); + kzalloc(sizeof(struct sn_msi_info) * NR_IRQS, GFP_KERNEL); if (! sn_msi_info) return -ENOMEM; |