diff options
Diffstat (limited to 'drivers/misc/vmw_vmci')
| -rw-r--r-- | drivers/misc/vmw_vmci/vmci_context.c | 3 | ||||
| -rw-r--r-- | drivers/misc/vmw_vmci/vmci_event.c | 1 | ||||
| -rw-r--r-- | drivers/misc/vmw_vmci/vmci_guest.c | 75 | ||||
| -rw-r--r-- | drivers/misc/vmw_vmci/vmci_host.c | 1 | ||||
| -rw-r--r-- | drivers/misc/vmw_vmci/vmci_queue_pair.c | 2 | ||||
| -rw-r--r-- | drivers/misc/vmw_vmci/vmci_resource.c | 1 |
6 files changed, 26 insertions, 57 deletions
diff --git a/drivers/misc/vmw_vmci/vmci_context.c b/drivers/misc/vmw_vmci/vmci_context.c index f866a4baecb5..21d0fa592145 100644 --- a/drivers/misc/vmw_vmci/vmci_context.c +++ b/drivers/misc/vmw_vmci/vmci_context.c @@ -19,6 +19,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/sched.h> +#include <linux/cred.h> #include <linux/slab.h> #include "vmci_queue_pair.h" @@ -303,7 +304,7 @@ int vmci_ctx_enqueue_datagram(u32 cid, struct vmci_datagram *dg) vmci_dg_size = VMCI_DG_SIZE(dg); if (vmci_dg_size > VMCI_MAX_DG_SIZE) { - pr_devel("Datagram too large (bytes=%Zu)\n", vmci_dg_size); + pr_devel("Datagram too large (bytes=%zu)\n", vmci_dg_size); return VMCI_ERROR_INVALID_ARGS; } diff --git a/drivers/misc/vmw_vmci/vmci_event.c b/drivers/misc/vmw_vmci/vmci_event.c index 8449516d6ac6..84258a48029d 100644 --- a/drivers/misc/vmw_vmci/vmci_event.c +++ b/drivers/misc/vmw_vmci/vmci_event.c @@ -19,6 +19,7 @@ #include <linux/module.h> #include <linux/sched.h> #include <linux/slab.h> +#include <linux/rculist.h> #include "vmci_driver.h" #include "vmci_event.h" diff --git a/drivers/misc/vmw_vmci/vmci_guest.c b/drivers/misc/vmw_vmci/vmci_guest.c index 189b32519748..dad5abee656e 100644 --- a/drivers/misc/vmw_vmci/vmci_guest.c +++ b/drivers/misc/vmw_vmci/vmci_guest.c @@ -54,10 +54,7 @@ struct vmci_guest_device { struct device *dev; /* PCI device we are attached to */ void __iomem *iobase; - unsigned int irq; - unsigned int intr_type; bool exclusive_vectors; - struct msix_entry msix_entries[VMCI_MAX_INTRS]; struct tasklet_struct datagram_tasklet; struct tasklet_struct bm_tasklet; @@ -369,30 +366,6 @@ static void vmci_process_bitmap(unsigned long data) } /* - * Enable MSI-X. Try exclusive vectors first, then shared vectors. - */ -static int vmci_enable_msix(struct pci_dev *pdev, - struct vmci_guest_device *vmci_dev) -{ - int i; - int result; - - for (i = 0; i < VMCI_MAX_INTRS; ++i) { - vmci_dev->msix_entries[i].entry = i; - vmci_dev->msix_entries[i].vector = i; - } - - result = pci_enable_msix_exact(pdev, - vmci_dev->msix_entries, VMCI_MAX_INTRS); - if (result == 0) - vmci_dev->exclusive_vectors = true; - else if (result == -ENOSPC) - result = pci_enable_msix_exact(pdev, vmci_dev->msix_entries, 1); - - return result; -} - -/* * Interrupt handler for legacy or MSI interrupt, or for first MSI-X * interrupt (vector VMCI_INTR_DATAGRAM). */ @@ -406,7 +379,7 @@ static irqreturn_t vmci_interrupt(int irq, void *_dev) * Otherwise we must read the ICR to determine what to do. */ - if (dev->intr_type == VMCI_INTR_TYPE_MSIX && dev->exclusive_vectors) { + if (dev->exclusive_vectors) { tasklet_schedule(&dev->datagram_tasklet); } else { unsigned int icr; @@ -491,7 +464,6 @@ static int vmci_guest_probe_device(struct pci_dev *pdev, } vmci_dev->dev = &pdev->dev; - vmci_dev->intr_type = VMCI_INTR_TYPE_INTX; vmci_dev->exclusive_vectors = false; vmci_dev->iobase = iobase; @@ -592,26 +564,26 @@ static int vmci_guest_probe_device(struct pci_dev *pdev, * Enable interrupts. Try MSI-X first, then MSI, and then fallback on * legacy interrupts. */ - if (!vmci_disable_msix && !vmci_enable_msix(pdev, vmci_dev)) { - vmci_dev->intr_type = VMCI_INTR_TYPE_MSIX; - vmci_dev->irq = vmci_dev->msix_entries[0].vector; - } else if (!vmci_disable_msi && !pci_enable_msi(pdev)) { - vmci_dev->intr_type = VMCI_INTR_TYPE_MSI; - vmci_dev->irq = pdev->irq; + error = pci_alloc_irq_vectors(pdev, VMCI_MAX_INTRS, VMCI_MAX_INTRS, + PCI_IRQ_MSIX); + if (error < 0) { + error = pci_alloc_irq_vectors(pdev, 1, 1, + PCI_IRQ_MSIX | PCI_IRQ_MSI | PCI_IRQ_LEGACY); + if (error < 0) + goto err_remove_bitmap; } else { - vmci_dev->intr_type = VMCI_INTR_TYPE_INTX; - vmci_dev->irq = pdev->irq; + vmci_dev->exclusive_vectors = true; } /* * Request IRQ for legacy or MSI interrupts, or for first * MSI-X vector. */ - error = request_irq(vmci_dev->irq, vmci_interrupt, IRQF_SHARED, - KBUILD_MODNAME, vmci_dev); + error = request_irq(pci_irq_vector(pdev, 0), vmci_interrupt, + IRQF_SHARED, KBUILD_MODNAME, vmci_dev); if (error) { dev_err(&pdev->dev, "Irq %u in use: %d\n", - vmci_dev->irq, error); + pci_irq_vector(pdev, 0), error); goto err_disable_msi; } @@ -622,13 +594,13 @@ static int vmci_guest_probe_device(struct pci_dev *pdev, * between the vectors. */ if (vmci_dev->exclusive_vectors) { - error = request_irq(vmci_dev->msix_entries[1].vector, + error = request_irq(pci_irq_vector(pdev, 1), vmci_interrupt_bm, 0, KBUILD_MODNAME, vmci_dev); if (error) { dev_err(&pdev->dev, "Failed to allocate irq %u: %d\n", - vmci_dev->msix_entries[1].vector, error); + pci_irq_vector(pdev, 1), error); goto err_free_irq; } } @@ -651,15 +623,12 @@ static int vmci_guest_probe_device(struct pci_dev *pdev, return 0; err_free_irq: - free_irq(vmci_dev->irq, vmci_dev); + free_irq(pci_irq_vector(pdev, 0), vmci_dev); tasklet_kill(&vmci_dev->datagram_tasklet); tasklet_kill(&vmci_dev->bm_tasklet); err_disable_msi: - if (vmci_dev->intr_type == VMCI_INTR_TYPE_MSIX) - pci_disable_msix(pdev); - else if (vmci_dev->intr_type == VMCI_INTR_TYPE_MSI) - pci_disable_msi(pdev); + pci_free_irq_vectors(pdev); vmci_err = vmci_event_unsubscribe(ctx_update_sub_id); if (vmci_err < VMCI_SUCCESS) @@ -719,14 +688,10 @@ static void vmci_guest_remove_device(struct pci_dev *pdev) * MSI-X, we might have multiple vectors, each with their own * IRQ, which we must free too. */ - free_irq(vmci_dev->irq, vmci_dev); - if (vmci_dev->intr_type == VMCI_INTR_TYPE_MSIX) { - if (vmci_dev->exclusive_vectors) - free_irq(vmci_dev->msix_entries[1].vector, vmci_dev); - pci_disable_msix(pdev); - } else if (vmci_dev->intr_type == VMCI_INTR_TYPE_MSI) { - pci_disable_msi(pdev); - } + if (vmci_dev->exclusive_vectors) + free_irq(pci_irq_vector(pdev, 1), vmci_dev); + free_irq(pci_irq_vector(pdev, 0), vmci_dev); + pci_free_irq_vectors(pdev); tasklet_kill(&vmci_dev->datagram_tasklet); tasklet_kill(&vmci_dev->bm_tasklet); diff --git a/drivers/misc/vmw_vmci/vmci_host.c b/drivers/misc/vmw_vmci/vmci_host.c index ec090105eb4b..8a16a26e9658 100644 --- a/drivers/misc/vmw_vmci/vmci_host.c +++ b/drivers/misc/vmw_vmci/vmci_host.c @@ -24,6 +24,7 @@ #include <linux/module.h> #include <linux/mutex.h> #include <linux/sched.h> +#include <linux/cred.h> #include <linux/slab.h> #include <linux/file.h> #include <linux/init.h> diff --git a/drivers/misc/vmw_vmci/vmci_queue_pair.c b/drivers/misc/vmw_vmci/vmci_queue_pair.c index f84a4275ca29..498c0854305f 100644 --- a/drivers/misc/vmw_vmci/vmci_queue_pair.c +++ b/drivers/misc/vmw_vmci/vmci_queue_pair.c @@ -2928,7 +2928,7 @@ int vmci_qpair_get_produce_indexes(const struct vmci_qp *qpair, EXPORT_SYMBOL_GPL(vmci_qpair_get_produce_indexes); /* - * vmci_qpair_get_consume_indexes() - Retrieves the indexes of the comsumer. + * vmci_qpair_get_consume_indexes() - Retrieves the indexes of the consumer. * @qpair: Pointer to the queue pair struct. * @consumer_tail: Reference used for storing consumer tail index. * @producer_head: Reference used for storing the producer head index. diff --git a/drivers/misc/vmw_vmci/vmci_resource.c b/drivers/misc/vmw_vmci/vmci_resource.c index 9a53a30de445..1ab6e8737a5f 100644 --- a/drivers/misc/vmw_vmci/vmci_resource.c +++ b/drivers/misc/vmw_vmci/vmci_resource.c @@ -17,6 +17,7 @@ #include <linux/hash.h> #include <linux/types.h> #include <linux/rculist.h> +#include <linux/completion.h> #include "vmci_resource.h" #include "vmci_driver.h" |