diff options
Diffstat (limited to 'freebsd/sys/dev/pci/pci_user.c')
| -rw-r--r-- | freebsd/sys/dev/pci/pci_user.c | 53 |
1 files changed, 6 insertions, 47 deletions
diff --git a/freebsd/sys/dev/pci/pci_user.c b/freebsd/sys/dev/pci/pci_user.c index e7306476..3df4d73b 100644 --- a/freebsd/sys/dev/pci/pci_user.c +++ b/freebsd/sys/dev/pci/pci_user.c @@ -313,8 +313,7 @@ pci_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *t struct pci_io *io; struct pci_bar_io *bio; struct pci_match_conf *pattern_buf; - struct resource_list_entry *rle; - uint32_t value; + struct pci_map *pm; size_t confsz, iolen, pbufsz; int error, ionum, i, num_patterns; #ifdef PRE7_COMPAT @@ -689,54 +688,14 @@ getconfexit: error = ENODEV; break; } - dinfo = device_get_ivars(pcidev); - - /* - * Look for a resource list entry matching the requested BAR. - * - * XXX: This will not find BARs that are not initialized, but - * maybe that is ok? - */ - rle = resource_list_find(&dinfo->resources, SYS_RES_MEMORY, - bio->pbi_reg); - if (rle == NULL) - rle = resource_list_find(&dinfo->resources, - SYS_RES_IOPORT, bio->pbi_reg); - if (rle == NULL || rle->res == NULL) { + pm = pci_find_bar(pcidev, bio->pbi_reg); + if (pm == NULL) { error = EINVAL; break; } - - /* - * Ok, we have a resource for this BAR. Read the lower - * 32 bits to get any flags. - */ - value = pci_read_config(pcidev, bio->pbi_reg, 4); - if (PCI_BAR_MEM(value)) { - if (rle->type != SYS_RES_MEMORY) { - error = EINVAL; - break; - } - value &= ~PCIM_BAR_MEM_BASE; - } else { - if (rle->type != SYS_RES_IOPORT) { - error = EINVAL; - break; - } - value &= ~PCIM_BAR_IO_BASE; - } - bio->pbi_base = rman_get_start(rle->res) | value; - bio->pbi_length = rman_get_size(rle->res); - - /* - * Check the command register to determine if this BAR - * is enabled. - */ - value = pci_read_config(pcidev, PCIR_COMMAND, 2); - if (rle->type == SYS_RES_MEMORY) - bio->pbi_enabled = (value & PCIM_CMD_MEMEN) != 0; - else - bio->pbi_enabled = (value & PCIM_CMD_PORTEN) != 0; + bio->pbi_base = pm->pm_value; + bio->pbi_length = (pci_addr_t)1 << pm->pm_size; + bio->pbi_enabled = pci_bar_enabled(pcidev, pm); error = 0; break; default: |