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author | James <james.mckenzie@citrix.com> | 2012-11-16 10:41:01 +0000 |
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committer | James <james.mckenzie@citrix.com> | 2012-11-16 10:41:01 +0000 |
commit | 041d1ea37802bf7178a31a53f96c26efa6b8fb7b (patch) | |
tree | c193e84ad1237f25a79d0f6a267722e44c73f56a /include/grub/pciutils.h | |
download | grub-1.99-041d1ea37802bf7178a31a53f96c26efa6b8fb7b.tar.gz grub-1.99-041d1ea37802bf7178a31a53f96c26efa6b8fb7b.tar.bz2 grub-1.99-041d1ea37802bf7178a31a53f96c26efa6b8fb7b.zip |
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Diffstat (limited to 'include/grub/pciutils.h')
-rw-r--r-- | include/grub/pciutils.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/include/grub/pciutils.h b/include/grub/pciutils.h new file mode 100644 index 0000000..36d47e5 --- /dev/null +++ b/include/grub/pciutils.h @@ -0,0 +1,103 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef GRUB_PCIUTILS_H +#define GRUB_PCIUTILS_H 1 + +#include <pciaccess.h> + +typedef struct pci_device *grub_pci_device_t; + +static inline int +grub_pci_get_bus (grub_pci_device_t dev) +{ + return dev->bus; +} + +static inline int +grub_pci_get_device (grub_pci_device_t dev) +{ + return dev->dev; +} + +static inline int +grub_pci_get_function (grub_pci_device_t dev) +{ + return dev->func; +} + +struct grub_pci_address +{ + grub_pci_device_t dev; + int pos; +}; + +typedef struct grub_pci_address grub_pci_address_t; + +static inline grub_uint32_t +grub_pci_read (grub_pci_address_t addr) +{ + grub_uint32_t ret; + pci_device_cfg_read_u32 (addr.dev, &ret, addr.pos); + return ret; +} + +static inline grub_uint16_t +grub_pci_read_word (grub_pci_address_t addr) +{ + grub_uint16_t ret; + pci_device_cfg_read_u16 (addr.dev, &ret, addr.pos); + return ret; +} + +static inline grub_uint8_t +grub_pci_read_byte (grub_pci_address_t addr) +{ + grub_uint8_t ret; + pci_device_cfg_read_u8 (addr.dev, &ret, addr.pos); + return ret; +} + +static inline void +grub_pci_write (grub_pci_address_t addr, grub_uint32_t data) +{ + pci_device_cfg_write_u32 (addr.dev, data, addr.pos); +} + +static inline void +grub_pci_write_word (grub_pci_address_t addr, grub_uint16_t data) +{ + pci_device_cfg_write_u16 (addr.dev, data, addr.pos); +} + +static inline void +grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data) +{ + pci_device_cfg_write_u8 (addr.dev, data, addr.pos); +} + +void * +grub_pci_device_map_range (grub_pci_device_t dev, grub_addr_t base, + grub_size_t size); + +void +grub_pci_device_unmap_range (grub_pci_device_t dev, void *mem, + grub_size_t size); + + +#endif /* GRUB_PCIUTILS_H */ |