From: Christophe Milard <[email protected]> Implementation of the device query function for the linux-gen ODP.
Signed-off-by: Christophe Milard <[email protected]> --- /** Email created from pull request 16 (heyi-linaro:driver-framework) ** https://github.com/Linaro/odp/pull/16 ** Patch: https://github.com/Linaro/odp/pull/16.patch ** Base sha: bac3806356694060d30bf3c83e4133410fecd9ab ** Merge commit sha: 8038f288f85db54e1a242e91ded59675313317bf **/ platform/linux-generic/drv_driver.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/platform/linux-generic/drv_driver.c b/platform/linux-generic/drv_driver.c index 60edde1..3e4780b 100644 --- a/platform/linux-generic/drv_driver.c +++ b/platform/linux-generic/drv_driver.c @@ -391,6 +391,43 @@ static void device_destroy_terminate(odpdrv_device_t drv_device) _odp_ishm_pool_free(list_elt_pool, device); } +odpdrv_device_t *odpdrv_device_query(odpdrv_enumr_t enumr, const char *address) +{ + _odpdrv_device_t *dev; + odpdrv_device_t *res; + int index = 0; + + int size = sizeof(odpdrv_device_t); /* for the ODPDRV_DEVICE_INVALID */ + + /* parse the list of device a first time to determine the size of + * the memory to be allocated: + */ + dev_list_read_lock(); + dev = device_lst.head; + while (dev) { + if ((dev->param.enumerator == enumr) && + ((address == NULL) || + (strcmp(dev->param.address, address) == 0))) + size += sizeof(odpdrv_device_t); + dev = dev->next; + } + + /* then fill the list: */ + res = (odpdrv_device_t *)malloc(size); + dev = device_lst.head; + while (dev) { + if ((dev->param.enumerator == enumr) && + ((address == NULL) || + (strcmp(dev->param.address, address) == 0))) + res[index++] = (odpdrv_device_t)dev; + dev = dev->next; + } + dev_list_read_unlock(); + res[index++] = ODPDRV_DEVICE_INVALID; + + return res; /* must be freed by caller! */ +} + odpdrv_devio_t odpdrv_devio_register(odpdrv_devio_param_t *param) { ODP_ERR("NOT Supported yet! Driver %s Registration!\n.",
