};
struct pci_epf_mhi {
+ const struct pci_epc_features *epc_features;
const struct pci_epf_mhi_ep_info *info;
struct mhi_ep_cntrl mhi_cntrl;
struct pci_epf *epf;
int irq;
};
+static size_t get_align_offset(struct pci_epf_mhi *epf_mhi, u64 addr)
+{
+ return addr & (epf_mhi->epc_features->align -1);
+}
+
static int __pci_epf_mhi_alloc_map(struct mhi_ep_cntrl *mhi_cntrl, u64 pci_addr,
phys_addr_t *paddr, void __iomem **vaddr,
size_t offset, size_t size)
size_t size)
{
struct pci_epf_mhi *epf_mhi = to_epf_mhi(mhi_cntrl);
- struct pci_epc *epc = epf_mhi->epf->epc;
- size_t offset = pci_addr & (epc->mem->window.page_size - 1);
+ size_t offset = get_align_offset(epf_mhi, pci_addr);
return __pci_epf_mhi_alloc_map(mhi_cntrl, pci_addr, paddr, vaddr,
offset, size);
size_t size)
{
struct pci_epf_mhi *epf_mhi = to_epf_mhi(mhi_cntrl);
- struct pci_epf *epf = epf_mhi->epf;
- struct pci_epc *epc = epf->epc;
- size_t offset = pci_addr & (epc->mem->window.page_size - 1);
+ size_t offset = get_align_offset(epf_mhi, pci_addr);
__pci_epf_mhi_unmap_free(mhi_cntrl, pci_addr, paddr, vaddr, offset,
size);
void *to, size_t size)
{
struct pci_epf_mhi *epf_mhi = to_epf_mhi(mhi_cntrl);
- size_t offset = from % SZ_4K;
+ size_t offset = get_align_offset(epf_mhi, from);
void __iomem *tre_buf;
phys_addr_t tre_phys;
int ret;
void *from, u64 to, size_t size)
{
struct pci_epf_mhi *epf_mhi = to_epf_mhi(mhi_cntrl);
- size_t offset = to % SZ_4K;
+ size_t offset = get_align_offset(epf_mhi, to);
void __iomem *tre_buf;
phys_addr_t tre_phys;
int ret;
return ret;
}
+ epf_mhi->epc_features = pci_epc_get_features(epc, epf->func_no, epf->vfunc_no);
+ if (!epf_mhi->epc_features)
+ return -ENODATA;
+
return 0;
}