1 | /* |
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2 | * PCI Frontend - arch-dependendent declarations |
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3 | * |
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4 | * Author: Ryan Wilson <hap9@epoch.ncsc.mil> |
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5 | */ |
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6 | #ifndef __XEN_ASM_PCIFRONT_H__ |
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7 | #define __XEN_ASM_PCIFRONT_H__ |
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8 | |
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9 | #include <linux/spinlock.h> |
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10 | |
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11 | #ifdef __KERNEL__ |
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12 | |
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13 | #ifndef __ia64__ |
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14 | |
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15 | struct pcifront_device; |
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16 | struct pci_bus; |
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17 | |
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18 | struct pcifront_sd { |
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19 | int domain; |
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20 | struct pcifront_device *pdev; |
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21 | }; |
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22 | |
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23 | static inline struct pcifront_device * |
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24 | pcifront_get_pdev(struct pcifront_sd *sd) |
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25 | { |
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26 | return sd->pdev; |
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27 | } |
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28 | |
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29 | static inline void pcifront_init_sd(struct pcifront_sd *sd, int domain, |
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30 | struct pcifront_device *pdev) |
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31 | { |
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32 | sd->domain = domain; |
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33 | sd->pdev = pdev; |
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34 | } |
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35 | |
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36 | #if defined(CONFIG_PCI_DOMAINS) |
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37 | static inline int pci_domain_nr(struct pci_bus *bus) |
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38 | { |
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39 | struct pcifront_sd *sd = bus->sysdata; |
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40 | return sd->domain; |
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41 | } |
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42 | static inline int pci_proc_domain(struct pci_bus *bus) |
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43 | { |
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44 | return pci_domain_nr(bus); |
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45 | } |
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46 | #endif /* CONFIG_PCI_DOMAINS */ |
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47 | |
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48 | #else /* __ia64__ */ |
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49 | |
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50 | #include <asm/pci.h> |
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51 | #define pcifront_sd pci_controller |
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52 | |
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53 | static inline struct pcifront_device * |
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54 | pcifront_get_pdev(struct pcifront_sd *sd) |
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55 | { |
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56 | return (struct pcifront_device *)sd->platform_data; |
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57 | } |
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58 | |
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59 | static inline void pcifront_init_sd(struct pcifront_sd *sd, int domain, |
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60 | struct pcifront_device *pdev) |
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61 | { |
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62 | sd->segment = domain; |
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63 | sd->acpi_handle = NULL; |
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64 | sd->iommu = NULL; |
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65 | sd->windows = 0; |
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66 | sd->window = NULL; |
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67 | sd->platform_data = pdev; |
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68 | } |
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69 | |
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70 | #endif /* __ia64__ */ |
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71 | |
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72 | extern struct rw_semaphore pci_bus_sem; |
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73 | |
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74 | #endif /* __KERNEL__ */ |
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75 | |
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76 | #endif /* __XEN_ASM_PCIFRONT_H__ */ |
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