pci.h (fd1a2f3dfc0e8fb20d0d397d586000bb918aab47) pci.h (b15491b4773af99ce2470144ef6bcd9146cc9a98)
1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
6 * All rights reserved.
7 * Copyright (c) 2020-2022 The FreeBSD Foundation
8 *

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328 uint8_t msi_cap;
329 uint8_t msix_cap;
330 bool managed; /* devres "pcim_*(). */
331 bool want_iomap_res;
332 bool msi_enabled;
333 bool msix_enabled;
334 phys_addr_t rom;
335 size_t romlen;
1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
6 * All rights reserved.
7 * Copyright (c) 2020-2022 The FreeBSD Foundation
8 *

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328 uint8_t msi_cap;
329 uint8_t msix_cap;
330 bool managed; /* devres "pcim_*(). */
331 bool want_iomap_res;
332 bool msi_enabled;
333 bool msix_enabled;
334 phys_addr_t rom;
335 size_t romlen;
336 /*
337 * msi_desc should be an array one day? For as long as we only support
338 * 1 MSI vector this is fine.
339 */
340 struct msi_desc *msi_desc;
336 struct msi_desc **msi_desc;
341
342 TAILQ_HEAD(, pci_mmio_region) mmio;
343};
344
345/* We need some meta-struct to keep track of these for devres. */
346struct pci_devres {
347 bool enable_io;
348 /* PCIR_MAX_BAR_0 + 1 = 6 => BIT(0..5). */

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884 } while (rc);
885 return (nvec);
886}
887
888#define pci_enable_msi(pdev) \
889 linux_pci_enable_msi(pdev)
890
891static inline int
337
338 TAILQ_HEAD(, pci_mmio_region) mmio;
339};
340
341/* We need some meta-struct to keep track of these for devres. */
342struct pci_devres {
343 bool enable_io;
344 /* PCIR_MAX_BAR_0 + 1 = 6 => BIT(0..5). */

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880 } while (rc);
881 return (nvec);
882}
883
884#define pci_enable_msi(pdev) \
885 linux_pci_enable_msi(pdev)
886
887static inline int
892pci_enable_msi(struct pci_dev *pdev)
888_lkpi_pci_enable_msi_range(struct pci_dev *pdev, int minvec, int maxvec)
893{
894 struct resource_list_entry *rle;
895 int error;
889{
890 struct resource_list_entry *rle;
891 int error;
896 int avail;
892 int nvec;
897
893
898 avail = pci_msi_count(pdev->dev.bsddev);
899 if (avail < 1)
900 return -EINVAL;
894 if (maxvec < minvec)
895 return (-EINVAL);
901
896
902 avail = 1; /* this function only enable one MSI IRQ */
903 if ((error = -pci_alloc_msi(pdev->dev.bsddev, &avail)) != 0)
897 nvec = pci_msi_count(pdev->dev.bsddev);
898 if (nvec < 1 || nvec < minvec)
899 return (-ENOSPC);
900
901 nvec = min(nvec, maxvec);
902 if ((error = -pci_alloc_msi(pdev->dev.bsddev, &nvec)) != 0)
904 return error;
905
903 return error;
904
905 /* Native PCI might only ever ask for 32 vectors. */
906 if (nvec < minvec) {
907 pci_release_msi(pdev->dev.bsddev);
908 return (-ENOSPC);
909 }
910
906 rle = linux_pci_get_rle(pdev, SYS_RES_IRQ, 1, false);
907 pdev->dev.irq_start = rle->start;
911 rle = linux_pci_get_rle(pdev, SYS_RES_IRQ, 1, false);
912 pdev->dev.irq_start = rle->start;
908 pdev->dev.irq_end = rle->start + avail;
913 pdev->dev.irq_end = rle->start + nvec;
909 pdev->irq = rle->start;
910 pdev->msi_enabled = true;
911 return (0);
912}
913
914static inline int
914 pdev->irq = rle->start;
915 pdev->msi_enabled = true;
916 return (0);
917}
918
919static inline int
920pci_enable_msi(struct pci_dev *pdev)
921{
922
923 return (_lkpi_pci_enable_msi_range(pdev, 1, 1));
924}
925
926static inline int
915pci_channel_offline(struct pci_dev *pdev)
916{
917
918 return (pci_read_config(pdev->dev.bsddev, PCIR_VENDOR, 2) == PCIV_INVALID);
919}
920
921static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
922{

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1606 }
1607
1608 return (-EINVAL);
1609}
1610
1611/*
1612 * We cannot simply re-define pci_get_device() as we would normally do
1613 * and then hide it in linux_pci.c as too many semi-native drivers still
927pci_channel_offline(struct pci_dev *pdev)
928{
929
930 return (pci_read_config(pdev->dev.bsddev, PCIR_VENDOR, 2) == PCIV_INVALID);
931}
932
933static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
934{

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1618 }
1619
1620 return (-EINVAL);
1621}
1622
1623/*
1624 * We cannot simply re-define pci_get_device() as we would normally do
1625 * and then hide it in linux_pci.c as too many semi-native drivers still
1614 * inlucde linux/pci.h and run into the conflict with native PCI. Linux drivers
1626 * include linux/pci.h and run into the conflict with native PCI. Linux drivers
1615 * using pci_get_device() need to be changed to call linuxkpi_pci_get_device().
1616 */
1617static inline struct pci_dev *
1618linuxkpi_pci_get_device(uint16_t vendor, uint16_t device, struct pci_dev *odev)
1619{
1620
1621 return (lkpi_pci_get_device(vendor, device, odev));
1622}

--- 91 unchanged lines hidden --- 		1627 * using pci_get_device() need to be changed to call linuxkpi_pci_get_device().
1628 */
1629static inline struct pci_dev *
1630linuxkpi_pci_get_device(uint16_t vendor, uint16_t device, struct pci_dev *odev)
1631{
1632
1633 return (lkpi_pci_get_device(vendor, device, odev));
1634}

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