diff options
Diffstat (limited to 'drivers/net/ipa/gsi.h')
| -rw-r--r-- | drivers/net/ipa/gsi.h | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/net/ipa/gsi.h b/drivers/net/ipa/gsi.h index 23de5f67374c..49dcadba4e0b 100644 --- a/drivers/net/ipa/gsi.h +++ b/drivers/net/ipa/gsi.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. - * Copyright (C) 2018-2021 Linaro Ltd. + * Copyright (C) 2018-2022 Linaro Ltd. */ #ifndef _GSI_H_ #define _GSI_H_ @@ -31,14 +31,6 @@ struct gsi_trans; struct gsi_channel_data; struct ipa_gsi_endpoint_data; -/* Execution environment IDs */ -enum gsi_ee_id { - GSI_EE_AP = 0x0, - GSI_EE_MODEM = 0x1, - GSI_EE_UC = 0x2, - GSI_EE_TZ = 0x3, -}; - struct gsi_ring { void *virt; /* ring array base address */ dma_addr_t addr; /* primarily low 32 bits used */ @@ -82,18 +74,18 @@ struct gsi_trans_pool { struct gsi_trans_info { atomic_t tre_avail; /* TREs available for allocation */ - struct gsi_trans_pool pool; /* transaction pool */ + + u16 free_id; /* first free trans in array */ + u16 allocated_id; /* first allocated transaction */ + u16 committed_id; /* first committed transaction */ + u16 pending_id; /* first pending transaction */ + u16 completed_id; /* first completed transaction */ + u16 polled_id; /* first polled transaction */ + struct gsi_trans *trans; /* transaction array */ struct gsi_trans **map; /* TRE -> transaction map */ struct gsi_trans_pool sg_pool; /* scatterlist pool */ struct gsi_trans_pool cmd_pool; /* command payload DMA pool */ - - spinlock_t spinlock; /* protects updates to the lists */ - struct list_head alloc; /* allocated, not committed */ - struct list_head committed; /* committed, awaiting doorbell */ - struct list_head pending; /* pending, awaiting completion */ - struct list_head complete; /* completed, awaiting poll */ - struct list_head polled; /* returned by gsi_channel_poll_one() */ }; /* Hardware values signifying the state of a channel */ |