diff options
| author |   Heiner Kallweit <hkallweit1@gmail.com> | 2021-08-26 20:57:01 +0200 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2021-08-31 16:10:18 -0500 |
| commit | 06e1913d457121a98ee276179734c34dab30f388 (patch) | |
| tree | ec6d479edbf4c8e019abf95e89085a16a2fa7533 /drivers/pci | |
| parent | cxgb4: Use pci_vpd_find_id_string() to find VPD ID string (diff) | |
| download | linux-dev-06e1913d457121a98ee276179734c34dab30f388.tar.xz linux-dev-06e1913d457121a98ee276179734c34dab30f388.zip | |
PCI/VPD: Clean up public VPD defines and inline functions
After recent introduction of new VPD API functions and user migration
these defines and inline functions aren't used outside VPD core any
longer.
Link: https://lore.kernel.org/r/d33e06bf-bc5e-ece7-bf35-7245ae224d1b@gmail.com
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/vpd.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/pci/vpd.c b/drivers/pci/vpd.c index 79712b3d17b6..ff600dff4557 100644 --- a/drivers/pci/vpd.c +++ b/drivers/pci/vpd.c @@ -11,6 +11,32 @@ #include <linux/sched/signal.h> #include "pci.h" +#define PCI_VPD_LRDT_TAG_SIZE 3 +#define PCI_VPD_SRDT_LEN_MASK 0x07 +#define PCI_VPD_SRDT_TAG_SIZE 1 +#define PCI_VPD_STIN_END 0x0f +#define PCI_VPD_INFO_FLD_HDR_SIZE 3 + +static u16 pci_vpd_lrdt_size(const u8 *lrdt) +{ + return (u16)lrdt[1] + ((u16)lrdt[2] << 8); +} + +static u8 pci_vpd_srdt_tag(const u8 *srdt) +{ + return *srdt >> 3; +} + +static u8 pci_vpd_srdt_size(const u8 *srdt) +{ + return *srdt & PCI_VPD_SRDT_LEN_MASK; +} + +static u8 pci_vpd_info_field_size(const u8 *info_field) +{ + return info_field[2]; +} + /* VPD access through PCI 2.2+ VPD capability */ static struct pci_dev *pci_get_func0_dev(struct pci_dev *dev) |