diff options
| author | Tadeusz Struk <tadeusz.struk@intel.com> | 2015-12-05 01:56:34 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-12-09 13:03:52 +0100 |
| commit | 890c55f4dc0e60a4ba71ab9b6877f69ff7053213 (patch) | |
| tree | 792f34b8a2bff2c9818952bf15fe7dc7da5596b8 /drivers/crypto/qat/qat_common | |
| parent | crypto: qat - move isr files to qat common so that they can be reused (diff) | |
| download | linux-890c55f4dc0e60a4ba71ab9b6877f69ff7053213.tar.xz linux-890c55f4dc0e60a4ba71ab9b6877f69ff7053213.zip | |
crypto: qat - add support for c3xxx accel type
Add support for c3xxx accel type.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/qat/qat_common')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_cfg_common.h | 1 | ||||
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_dev_mgr.c | 36 |
2 files changed, 32 insertions, 5 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_cfg_common.h b/drivers/crypto/qat/qat_common/adf_cfg_common.h index c697fb1cdfb5..39884c982c37 100644 --- a/drivers/crypto/qat/qat_common/adf_cfg_common.h +++ b/drivers/crypto/qat/qat_common/adf_cfg_common.h @@ -72,6 +72,7 @@ enum adf_device_type { DEV_UNKNOWN = 0, DEV_DH895XCC, DEV_DH895XCCVF, + DEV_C3XXX }; struct adf_dev_status_info { diff --git a/drivers/crypto/qat/qat_common/adf_dev_mgr.c b/drivers/crypto/qat/qat_common/adf_dev_mgr.c index 8dfdb8f90797..b3ebb25f9ca7 100644 --- a/drivers/crypto/qat/qat_common/adf_dev_mgr.c +++ b/drivers/crypto/qat/qat_common/adf_dev_mgr.c @@ -53,6 +53,7 @@ static LIST_HEAD(accel_table); static LIST_HEAD(vfs_table); static DEFINE_MUTEX(table_lock); static uint32_t num_devices; +static u8 id_map[ADF_MAX_DEVICES]; struct vf_id_map { u32 bdf; @@ -116,8 +117,10 @@ void adf_clean_vf_map(bool vf) mutex_lock(&table_lock); list_for_each_safe(ptr, tmp, &vfs_table) { map = list_entry(ptr, struct vf_id_map, list); - if (map->bdf != -1) + if (map->bdf != -1) { + id_map[map->id] = 0; num_devices--; + } if (vf && map->bdf == -1) continue; @@ -154,6 +157,19 @@ void adf_devmgr_update_class_index(struct adf_hw_device_data *hw_data) } EXPORT_SYMBOL_GPL(adf_devmgr_update_class_index); +static unsigned int adf_find_free_id(void) +{ + unsigned int i; + + for (i = 0; i < ADF_MAX_DEVICES; i++) { + if (!id_map[i]) { + id_map[i] = 1; + return i; + } + } + return ADF_MAX_DEVICES + 1; +} + /** * adf_devmgr_add_dev() - Add accel_dev to the acceleration framework * @accel_dev: Pointer to acceleration device. @@ -194,8 +210,12 @@ int adf_devmgr_add_dev(struct adf_accel_dev *accel_dev, } list_add_tail(&accel_dev->list, &accel_table); - accel_dev->accel_id = num_devices++; - + accel_dev->accel_id = adf_find_free_id(); + if (accel_dev->accel_id > ADF_MAX_DEVICES) { + ret = -EFAULT; + goto unlock; + } + num_devices++; map = kzalloc(sizeof(*map), GFP_KERNEL); if (!map) { ret = -ENOMEM; @@ -236,8 +256,13 @@ int adf_devmgr_add_dev(struct adf_accel_dev *accel_dev, ret = -ENOMEM; goto unlock; } - - accel_dev->accel_id = num_devices++; + accel_dev->accel_id = adf_find_free_id(); + if (accel_dev->accel_id > ADF_MAX_DEVICES) { + kfree(map); + ret = -EFAULT; + goto unlock; + } + num_devices++; list_add_tail(&accel_dev->list, &accel_table); map->bdf = adf_get_vf_num(accel_dev); map->id = accel_dev->accel_id; @@ -271,6 +296,7 @@ void adf_devmgr_rm_dev(struct adf_accel_dev *accel_dev, { mutex_lock(&table_lock); if (!accel_dev->is_vf || (accel_dev->is_vf && !pf)) { + id_map[accel_dev->accel_id] = 0; num_devices--; } else if (accel_dev->is_vf && pf) { struct vf_id_map *map, *next; |