[src/trunk]: src/sys/external/bsd/drm2/include/linux Implement linux_pci_dev_...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d37924ff1732
branches:  trunk
changeset: 366241:d37924ff1732
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Mon Aug 27 14:12:00 2018 +0000

description:
Implement linux_pci_dev_destroy.

diffstat:

 sys/external/bsd/drm2/include/linux/pci.h |  31 +++++++++++++++++++++++++++++--
 1 files changed, 29 insertions(+), 2 deletions(-)

diffs (64 lines):

diff -r 835c57220473 -r d37924ff1732 sys/external/bsd/drm2/include/linux/pci.h
--- a/sys/external/bsd/drm2/include/linux/pci.h Mon Aug 27 14:11:46 2018 +0000
+++ b/sys/external/bsd/drm2/include/linux/pci.h Mon Aug 27 14:12:00 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pci.h,v 1.33 2018/08/27 14:11:46 riastradh Exp $       */
+/*     $NetBSD: pci.h,v 1.34 2018/08/27 14:12:00 riastradh Exp $       */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -152,6 +152,7 @@
                bus_space_tag_t         bst;
                bus_space_handle_t      bsh;
                void __pci_iomem        *kva;
+               bool                    mapped;
        }                       pd_resources[PCI_NUM_RESOURCES];
        struct pci_conf_state   *pd_saved_state;
        struct acpi_devnode     *pd_ad;
@@ -202,7 +203,7 @@
 #else
        pdev->pd_ad = NULL;
 #endif
-       pdev->bus = kmem_zalloc(sizeof(struct pci_bus), KM_NOSLEEP);
+       pdev->bus = kmem_zalloc(sizeof(*pdev->bus), KM_NOSLEEP);
        pdev->bus->pb_pc = pa->pa_pc;
        pdev->bus->pb_dev = parent;
        pdev->bus->number = pa->pa_bus;
@@ -737,6 +738,7 @@
        pdev->pd_resources[i].bst = pdev->pd_pa.pa_memt;
        pdev->pd_resources[i].kva = bus_space_vaddr(pdev->pd_resources[i].bst,
            pdev->pd_resources[i].bsh);
+       pdev->pd_resources[i].mapped = true;
 
        return pdev->pd_resources[i].kva;
 }
@@ -859,4 +861,29 @@
        splx(s);
 }
 
+static inline void
+linux_pci_dev_destroy(struct pci_dev *pdev)
+{
+       unsigned i;
+
+       if (pdev->bus != NULL) {
+               kmem_free(pdev->bus, sizeof(*pdev->bus));
+               pdev->bus = NULL;
+       }
+       if (ISSET(pdev->pd_kludges, NBPCI_KLUDGE_MAP_ROM)) {
+               pci_unmap_rom(pdev, pdev->pd_rom_vaddr);
+               pdev->pd_rom_vaddr = 0;
+       }
+       for (i = 0; i < __arraycount(pdev->pd_resources); i++) {
+               if (pdev->pd_resources[i].mapped)
+                       continue;
+               bus_space_unmap(pdev->pd_resources[i].bst,
+                   pdev->pd_resources[i].bsh, pdev->pd_resources[i].size);
+       }
+
+       /* There is no way these should be still in use.  */
+       KASSERT(pdev->pd_saved_state == NULL);
+       KASSERT(pdev->pd_intr_handles == NULL);
+}
+
 #endif  /* _LINUX_PCI_H_ */