diff options
Diffstat (limited to 'freebsd/sys/dev/pci/pci_user.c')
| -rw-r--r-- | freebsd/sys/dev/pci/pci_user.c | 128 |
1 files changed, 119 insertions, 9 deletions
diff --git a/freebsd/sys/dev/pci/pci_user.c b/freebsd/sys/dev/pci/pci_user.c index 63d64c39..dc22106c 100644 --- a/freebsd/sys/dev/pci/pci_user.c +++ b/freebsd/sys/dev/pci/pci_user.c @@ -409,6 +409,89 @@ pci_conf_match_old32(struct pci_match_conf_old32 *matches, int num_matches, #endif /* PRE7_COMPAT */ static int +pci_list_vpd(device_t dev, struct pci_list_vpd_io *lvio) +{ + struct pci_vpd_element vpd_element, *vpd_user; + struct pcicfg_vpd *vpd; + size_t len; + int error, i; + + vpd = pci_fetch_vpd_list(dev); + if (vpd->vpd_reg == 0 || vpd->vpd_ident == NULL) + return (ENXIO); + + /* + * Calculate the amount of space needed in the data buffer. An + * identifier element is always present followed by the read-only + * and read-write keywords. + */ + len = sizeof(struct pci_vpd_element) + strlen(vpd->vpd_ident); + for (i = 0; i < vpd->vpd_rocnt; i++) + len += sizeof(struct pci_vpd_element) + vpd->vpd_ros[i].len; + for (i = 0; i < vpd->vpd_wcnt; i++) + len += sizeof(struct pci_vpd_element) + vpd->vpd_w[i].len; + + if (lvio->plvi_len == 0) { + lvio->plvi_len = len; + return (0); + } + if (lvio->plvi_len < len) { + lvio->plvi_len = len; + return (ENOMEM); + } + + /* + * Copyout the identifier string followed by each keyword and + * value. + */ + vpd_user = lvio->plvi_data; + vpd_element.pve_keyword[0] = '\0'; + vpd_element.pve_keyword[1] = '\0'; + vpd_element.pve_flags = PVE_FLAG_IDENT; + vpd_element.pve_datalen = strlen(vpd->vpd_ident); + error = copyout(&vpd_element, vpd_user, sizeof(vpd_element)); + if (error) + return (error); + error = copyout(vpd->vpd_ident, vpd_user->pve_data, + strlen(vpd->vpd_ident)); + if (error) + return (error); + vpd_user = PVE_NEXT(vpd_user); + vpd_element.pve_flags = 0; + for (i = 0; i < vpd->vpd_rocnt; i++) { + vpd_element.pve_keyword[0] = vpd->vpd_ros[i].keyword[0]; + vpd_element.pve_keyword[1] = vpd->vpd_ros[i].keyword[1]; + vpd_element.pve_datalen = vpd->vpd_ros[i].len; + error = copyout(&vpd_element, vpd_user, sizeof(vpd_element)); + if (error) + return (error); + error = copyout(vpd->vpd_ros[i].value, vpd_user->pve_data, + vpd->vpd_ros[i].len); + if (error) + return (error); + vpd_user = PVE_NEXT(vpd_user); + } + vpd_element.pve_flags = PVE_FLAG_RW; + for (i = 0; i < vpd->vpd_wcnt; i++) { + vpd_element.pve_keyword[0] = vpd->vpd_w[i].keyword[0]; + vpd_element.pve_keyword[1] = vpd->vpd_w[i].keyword[1]; + vpd_element.pve_datalen = vpd->vpd_w[i].len; + error = copyout(&vpd_element, vpd_user, sizeof(vpd_element)); + if (error) + return (error); + error = copyout(vpd->vpd_w[i].value, vpd_user->pve_data, + vpd->vpd_w[i].len); + if (error) + return (error); + vpd_user = PVE_NEXT(vpd_user); + } + KASSERT((char *)vpd_user - (char *)lvio->plvi_data == len, + ("length mismatch")); + lvio->plvi_len = len; + return (0); +} + +static int pci_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) { device_t pcidev, brdev; @@ -419,6 +502,7 @@ pci_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *t struct pci_devinfo *dinfo; struct pci_io *io; struct pci_bar_io *bio; + struct pci_list_vpd_io *lvio; struct pci_match_conf *pattern_buf; struct pci_map *pm; size_t confsz, iolen, pbufsz; @@ -435,19 +519,29 @@ pci_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *t struct pci_match_conf_old *pattern_buf_old = NULL; io_old = NULL; +#endif - if (!(flag & FWRITE) && cmd != PCIOCGETBAR && - cmd != PCIOCGETCONF && cmd != PCIOCGETCONF_OLD) - return EPERM; -#else - if (!(flag & FWRITE) && cmd != PCIOCGETBAR && cmd != PCIOCGETCONF) - return EPERM; + if (!(flag & FWRITE)) { + switch (cmd) { +#ifdef PRE7_COMPAT +#ifdef COMPAT_FREEBSD32 + case PCIOCGETCONF_OLD32: #endif + case PCIOCGETCONF_OLD: +#endif + case PCIOCGETCONF: + case PCIOCGETBAR: + case PCIOCLISTVPD: + break; + default: + return (EPERM); + } + } - switch(cmd) { + switch (cmd) { #ifdef PRE7_COMPAT #ifdef COMPAT_FREEBSD32 - case PCIOCGETCONF_OLD32: + case PCIOCGETCONF_OLD32: cio32 = (struct pci_conf_io32 *)data; cio = malloc(sizeof(struct pci_conf_io), M_TEMP, M_WAITOK); cio->pat_buf_len = cio32->pat_buf_len; @@ -468,7 +562,7 @@ pci_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *t cio = (struct pci_conf_io *)data; } - switch(cmd) { + switch (cmd) { #ifdef PRE7_COMPAT #ifdef COMPAT_FREEBSD32 case PCIOCGETCONF_OLD32: @@ -914,6 +1008,22 @@ getconfexit: else error = ENODEV; break; + case PCIOCLISTVPD: + lvio = (struct pci_list_vpd_io *)data; + + /* + * Assume that the user-level bus number is + * in fact the physical PCI bus number. + */ + pcidev = pci_find_dbsf(lvio->plvi_sel.pc_domain, + lvio->plvi_sel.pc_bus, lvio->plvi_sel.pc_dev, + lvio->plvi_sel.pc_func); + if (pcidev == NULL) { + error = ENODEV; + break; + } + error = pci_list_vpd(pcidev, lvio); + break; default: error = ENOTTY; break; |