cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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hclge_comm_cmd.h (13851B)


      1/* SPDX-License-Identifier: GPL-2.0+ */
      2// Copyright (c) 2021-2021 Hisilicon Limited.
      3
      4#ifndef __HCLGE_COMM_CMD_H
      5#define __HCLGE_COMM_CMD_H
      6#include <linux/types.h>
      7
      8#include "hnae3.h"
      9
     10#define HCLGE_COMM_CMD_FLAG_IN			BIT(0)
     11#define HCLGE_COMM_CMD_FLAG_NEXT		BIT(2)
     12#define HCLGE_COMM_CMD_FLAG_WR			BIT(3)
     13#define HCLGE_COMM_CMD_FLAG_NO_INTR		BIT(4)
     14
     15#define HCLGE_COMM_SEND_SYNC(flag) \
     16	((flag) & HCLGE_COMM_CMD_FLAG_NO_INTR)
     17
     18#define HCLGE_COMM_LINK_EVENT_REPORT_EN_B	0
     19#define HCLGE_COMM_NCSI_ERROR_REPORT_EN_B	1
     20#define HCLGE_COMM_PHY_IMP_EN_B			2
     21#define HCLGE_COMM_MAC_STATS_EXT_EN_B		3
     22#define HCLGE_COMM_SYNC_RX_RING_HEAD_EN_B	4
     23
     24#define hclge_comm_dev_phy_imp_supported(ae_dev) \
     25	test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, (ae_dev)->caps)
     26
     27#define HCLGE_COMM_TYPE_CRQ			0
     28#define HCLGE_COMM_TYPE_CSQ			1
     29
     30#define HCLGE_COMM_CMDQ_CLEAR_WAIT_TIME		200
     31
     32/* bar registers for cmdq */
     33#define HCLGE_COMM_NIC_CSQ_BASEADDR_L_REG	0x27000
     34#define HCLGE_COMM_NIC_CSQ_BASEADDR_H_REG	0x27004
     35#define HCLGE_COMM_NIC_CSQ_DEPTH_REG		0x27008
     36#define HCLGE_COMM_NIC_CSQ_TAIL_REG		0x27010
     37#define HCLGE_COMM_NIC_CSQ_HEAD_REG		0x27014
     38#define HCLGE_COMM_NIC_CRQ_BASEADDR_L_REG	0x27018
     39#define HCLGE_COMM_NIC_CRQ_BASEADDR_H_REG	0x2701C
     40#define HCLGE_COMM_NIC_CRQ_DEPTH_REG		0x27020
     41#define HCLGE_COMM_NIC_CRQ_TAIL_REG		0x27024
     42#define HCLGE_COMM_NIC_CRQ_HEAD_REG		0x27028
     43/* Vector0 interrupt CMDQ event source register(RW) */
     44#define HCLGE_COMM_VECTOR0_CMDQ_SRC_REG		0x27100
     45/* Vector0 interrupt CMDQ event status register(RO) */
     46#define HCLGE_COMM_VECTOR0_CMDQ_STATE_REG	0x27104
     47#define HCLGE_COMM_CMDQ_INTR_EN_REG		0x27108
     48#define HCLGE_COMM_CMDQ_INTR_GEN_REG		0x2710C
     49#define HCLGE_COMM_CMDQ_INTR_STS_REG		0x27104
     50
     51/* this bit indicates that the driver is ready for hardware reset */
     52#define HCLGE_COMM_NIC_SW_RST_RDY_B		16
     53#define HCLGE_COMM_NIC_SW_RST_RDY		BIT(HCLGE_COMM_NIC_SW_RST_RDY_B)
     54#define HCLGE_COMM_NIC_CMQ_DESC_NUM_S		3
     55#define HCLGE_COMM_NIC_CMQ_DESC_NUM		1024
     56#define HCLGE_COMM_CMDQ_TX_TIMEOUT		30000
     57
     58enum hclge_opcode_type {
     59	/* Generic commands */
     60	HCLGE_OPC_QUERY_FW_VER		= 0x0001,
     61	HCLGE_OPC_CFG_RST_TRIGGER	= 0x0020,
     62	HCLGE_OPC_GBL_RST_STATUS	= 0x0021,
     63	HCLGE_OPC_QUERY_FUNC_STATUS	= 0x0022,
     64	HCLGE_OPC_QUERY_PF_RSRC		= 0x0023,
     65	HCLGE_OPC_QUERY_VF_RSRC		= 0x0024,
     66	HCLGE_OPC_GET_CFG_PARAM		= 0x0025,
     67	HCLGE_OPC_PF_RST_DONE		= 0x0026,
     68	HCLGE_OPC_QUERY_VF_RST_RDY	= 0x0027,
     69
     70	HCLGE_OPC_STATS_64_BIT		= 0x0030,
     71	HCLGE_OPC_STATS_32_BIT		= 0x0031,
     72	HCLGE_OPC_STATS_MAC		= 0x0032,
     73	HCLGE_OPC_QUERY_MAC_REG_NUM	= 0x0033,
     74	HCLGE_OPC_STATS_MAC_ALL		= 0x0034,
     75
     76	HCLGE_OPC_QUERY_REG_NUM		= 0x0040,
     77	HCLGE_OPC_QUERY_32_BIT_REG	= 0x0041,
     78	HCLGE_OPC_QUERY_64_BIT_REG	= 0x0042,
     79	HCLGE_OPC_DFX_BD_NUM		= 0x0043,
     80	HCLGE_OPC_DFX_BIOS_COMMON_REG	= 0x0044,
     81	HCLGE_OPC_DFX_SSU_REG_0		= 0x0045,
     82	HCLGE_OPC_DFX_SSU_REG_1		= 0x0046,
     83	HCLGE_OPC_DFX_IGU_EGU_REG	= 0x0047,
     84	HCLGE_OPC_DFX_RPU_REG_0		= 0x0048,
     85	HCLGE_OPC_DFX_RPU_REG_1		= 0x0049,
     86	HCLGE_OPC_DFX_NCSI_REG		= 0x004A,
     87	HCLGE_OPC_DFX_RTC_REG		= 0x004B,
     88	HCLGE_OPC_DFX_PPP_REG		= 0x004C,
     89	HCLGE_OPC_DFX_RCB_REG		= 0x004D,
     90	HCLGE_OPC_DFX_TQP_REG		= 0x004E,
     91	HCLGE_OPC_DFX_SSU_REG_2		= 0x004F,
     92
     93	HCLGE_OPC_QUERY_DEV_SPECS	= 0x0050,
     94
     95	/* MAC command */
     96	HCLGE_OPC_CONFIG_MAC_MODE	= 0x0301,
     97	HCLGE_OPC_CONFIG_AN_MODE	= 0x0304,
     98	HCLGE_OPC_QUERY_LINK_STATUS	= 0x0307,
     99	HCLGE_OPC_CONFIG_MAX_FRM_SIZE	= 0x0308,
    100	HCLGE_OPC_CONFIG_SPEED_DUP	= 0x0309,
    101	HCLGE_OPC_QUERY_MAC_TNL_INT	= 0x0310,
    102	HCLGE_OPC_MAC_TNL_INT_EN	= 0x0311,
    103	HCLGE_OPC_CLEAR_MAC_TNL_INT	= 0x0312,
    104	HCLGE_OPC_COMMON_LOOPBACK       = 0x0315,
    105	HCLGE_OPC_CONFIG_FEC_MODE	= 0x031A,
    106	HCLGE_OPC_QUERY_ROH_TYPE_INFO	= 0x0389,
    107
    108	/* PTP commands */
    109	HCLGE_OPC_PTP_INT_EN		= 0x0501,
    110	HCLGE_OPC_PTP_MODE_CFG		= 0x0507,
    111
    112	/* PFC/Pause commands */
    113	HCLGE_OPC_CFG_MAC_PAUSE_EN      = 0x0701,
    114	HCLGE_OPC_CFG_PFC_PAUSE_EN      = 0x0702,
    115	HCLGE_OPC_CFG_MAC_PARA          = 0x0703,
    116	HCLGE_OPC_CFG_PFC_PARA          = 0x0704,
    117	HCLGE_OPC_QUERY_MAC_TX_PKT_CNT  = 0x0705,
    118	HCLGE_OPC_QUERY_MAC_RX_PKT_CNT  = 0x0706,
    119	HCLGE_OPC_QUERY_PFC_TX_PKT_CNT  = 0x0707,
    120	HCLGE_OPC_QUERY_PFC_RX_PKT_CNT  = 0x0708,
    121	HCLGE_OPC_PRI_TO_TC_MAPPING     = 0x0709,
    122	HCLGE_OPC_QOS_MAP               = 0x070A,
    123
    124	/* ETS/scheduler commands */
    125	HCLGE_OPC_TM_PG_TO_PRI_LINK	= 0x0804,
    126	HCLGE_OPC_TM_QS_TO_PRI_LINK     = 0x0805,
    127	HCLGE_OPC_TM_NQ_TO_QS_LINK      = 0x0806,
    128	HCLGE_OPC_TM_RQ_TO_QS_LINK      = 0x0807,
    129	HCLGE_OPC_TM_PORT_WEIGHT        = 0x0808,
    130	HCLGE_OPC_TM_PG_WEIGHT          = 0x0809,
    131	HCLGE_OPC_TM_QS_WEIGHT          = 0x080A,
    132	HCLGE_OPC_TM_PRI_WEIGHT         = 0x080B,
    133	HCLGE_OPC_TM_PRI_C_SHAPPING     = 0x080C,
    134	HCLGE_OPC_TM_PRI_P_SHAPPING     = 0x080D,
    135	HCLGE_OPC_TM_PG_C_SHAPPING      = 0x080E,
    136	HCLGE_OPC_TM_PG_P_SHAPPING      = 0x080F,
    137	HCLGE_OPC_TM_PORT_SHAPPING      = 0x0810,
    138	HCLGE_OPC_TM_PG_SCH_MODE_CFG    = 0x0812,
    139	HCLGE_OPC_TM_PRI_SCH_MODE_CFG   = 0x0813,
    140	HCLGE_OPC_TM_QS_SCH_MODE_CFG    = 0x0814,
    141	HCLGE_OPC_TM_BP_TO_QSET_MAPPING = 0x0815,
    142	HCLGE_OPC_TM_NODES		= 0x0816,
    143	HCLGE_OPC_ETS_TC_WEIGHT		= 0x0843,
    144	HCLGE_OPC_QSET_DFX_STS		= 0x0844,
    145	HCLGE_OPC_PRI_DFX_STS		= 0x0845,
    146	HCLGE_OPC_PG_DFX_STS		= 0x0846,
    147	HCLGE_OPC_PORT_DFX_STS		= 0x0847,
    148	HCLGE_OPC_SCH_NQ_CNT		= 0x0848,
    149	HCLGE_OPC_SCH_RQ_CNT		= 0x0849,
    150	HCLGE_OPC_TM_INTERNAL_STS	= 0x0850,
    151	HCLGE_OPC_TM_INTERNAL_CNT	= 0x0851,
    152	HCLGE_OPC_TM_INTERNAL_STS_1	= 0x0852,
    153
    154	/* Packet buffer allocate commands */
    155	HCLGE_OPC_TX_BUFF_ALLOC		= 0x0901,
    156	HCLGE_OPC_RX_PRIV_BUFF_ALLOC	= 0x0902,
    157	HCLGE_OPC_RX_PRIV_WL_ALLOC	= 0x0903,
    158	HCLGE_OPC_RX_COM_THRD_ALLOC	= 0x0904,
    159	HCLGE_OPC_RX_COM_WL_ALLOC	= 0x0905,
    160	HCLGE_OPC_RX_GBL_PKT_CNT	= 0x0906,
    161
    162	/* TQP management command */
    163	HCLGE_OPC_SET_TQP_MAP		= 0x0A01,
    164
    165	/* TQP commands */
    166	HCLGE_OPC_CFG_TX_QUEUE		= 0x0B01,
    167	HCLGE_OPC_QUERY_TX_POINTER	= 0x0B02,
    168	HCLGE_OPC_QUERY_TX_STATS	= 0x0B03,
    169	HCLGE_OPC_TQP_TX_QUEUE_TC	= 0x0B04,
    170	HCLGE_OPC_CFG_RX_QUEUE		= 0x0B11,
    171	HCLGE_OPC_QUERY_RX_POINTER	= 0x0B12,
    172	HCLGE_OPC_QUERY_RX_STATS	= 0x0B13,
    173	HCLGE_OPC_STASH_RX_QUEUE_LRO	= 0x0B16,
    174	HCLGE_OPC_CFG_RX_QUEUE_LRO	= 0x0B17,
    175	HCLGE_OPC_CFG_COM_TQP_QUEUE	= 0x0B20,
    176	HCLGE_OPC_RESET_TQP_QUEUE	= 0x0B22,
    177
    178	/* PPU commands */
    179	HCLGE_OPC_PPU_PF_OTHER_INT_DFX	= 0x0B4A,
    180
    181	/* TSO command */
    182	HCLGE_OPC_TSO_GENERIC_CONFIG	= 0x0C01,
    183	HCLGE_OPC_GRO_GENERIC_CONFIG    = 0x0C10,
    184
    185	/* RSS commands */
    186	HCLGE_OPC_RSS_GENERIC_CONFIG	= 0x0D01,
    187	HCLGE_OPC_RSS_INDIR_TABLE	= 0x0D07,
    188	HCLGE_OPC_RSS_TC_MODE		= 0x0D08,
    189	HCLGE_OPC_RSS_INPUT_TUPLE	= 0x0D02,
    190
    191	/* Promisuous mode command */
    192	HCLGE_OPC_CFG_PROMISC_MODE	= 0x0E01,
    193
    194	/* Vlan offload commands */
    195	HCLGE_OPC_VLAN_PORT_TX_CFG	= 0x0F01,
    196	HCLGE_OPC_VLAN_PORT_RX_CFG	= 0x0F02,
    197
    198	/* Interrupts commands */
    199	HCLGE_OPC_ADD_RING_TO_VECTOR	= 0x1503,
    200	HCLGE_OPC_DEL_RING_TO_VECTOR	= 0x1504,
    201
    202	/* MAC commands */
    203	HCLGE_OPC_MAC_VLAN_ADD		    = 0x1000,
    204	HCLGE_OPC_MAC_VLAN_REMOVE	    = 0x1001,
    205	HCLGE_OPC_MAC_VLAN_TYPE_ID	    = 0x1002,
    206	HCLGE_OPC_MAC_VLAN_INSERT	    = 0x1003,
    207	HCLGE_OPC_MAC_VLAN_ALLOCATE	    = 0x1004,
    208	HCLGE_OPC_MAC_ETHTYPE_ADD	    = 0x1010,
    209	HCLGE_OPC_MAC_ETHTYPE_REMOVE	= 0x1011,
    210
    211	/* MAC VLAN commands */
    212	HCLGE_OPC_MAC_VLAN_SWITCH_PARAM	= 0x1033,
    213
    214	/* VLAN commands */
    215	HCLGE_OPC_VLAN_FILTER_CTRL	    = 0x1100,
    216	HCLGE_OPC_VLAN_FILTER_PF_CFG	= 0x1101,
    217	HCLGE_OPC_VLAN_FILTER_VF_CFG	= 0x1102,
    218	HCLGE_OPC_PORT_VLAN_BYPASS	= 0x1103,
    219
    220	/* Flow Director commands */
    221	HCLGE_OPC_FD_MODE_CTRL		= 0x1200,
    222	HCLGE_OPC_FD_GET_ALLOCATION	= 0x1201,
    223	HCLGE_OPC_FD_KEY_CONFIG		= 0x1202,
    224	HCLGE_OPC_FD_TCAM_OP		= 0x1203,
    225	HCLGE_OPC_FD_AD_OP		= 0x1204,
    226	HCLGE_OPC_FD_CNT_OP		= 0x1205,
    227	HCLGE_OPC_FD_USER_DEF_OP	= 0x1207,
    228	HCLGE_OPC_FD_QB_CTRL		= 0x1210,
    229	HCLGE_OPC_FD_QB_AD_OP		= 0x1211,
    230
    231	/* MDIO command */
    232	HCLGE_OPC_MDIO_CONFIG		= 0x1900,
    233
    234	/* QCN commands */
    235	HCLGE_OPC_QCN_MOD_CFG		= 0x1A01,
    236	HCLGE_OPC_QCN_GRP_TMPLT_CFG	= 0x1A02,
    237	HCLGE_OPC_QCN_SHAPPING_CFG	= 0x1A03,
    238	HCLGE_OPC_QCN_SHAPPING_BS_CFG	= 0x1A04,
    239	HCLGE_OPC_QCN_QSET_LINK_CFG	= 0x1A05,
    240	HCLGE_OPC_QCN_RP_STATUS_GET	= 0x1A06,
    241	HCLGE_OPC_QCN_AJUST_INIT	= 0x1A07,
    242	HCLGE_OPC_QCN_DFX_CNT_STATUS    = 0x1A08,
    243
    244	/* Mailbox command */
    245	HCLGEVF_OPC_MBX_PF_TO_VF	= 0x2000,
    246	HCLGEVF_OPC_MBX_VF_TO_PF	= 0x2001,
    247
    248	/* Led command */
    249	HCLGE_OPC_LED_STATUS_CFG	= 0xB000,
    250
    251	/* clear hardware resource command */
    252	HCLGE_OPC_CLEAR_HW_RESOURCE	= 0x700B,
    253
    254	/* NCL config command */
    255	HCLGE_OPC_QUERY_NCL_CONFIG	= 0x7011,
    256
    257	/* IMP stats command */
    258	HCLGE_OPC_IMP_STATS_BD		= 0x7012,
    259	HCLGE_OPC_IMP_STATS_INFO		= 0x7013,
    260	HCLGE_OPC_IMP_COMPAT_CFG		= 0x701A,
    261
    262	/* SFP command */
    263	HCLGE_OPC_GET_SFP_EEPROM	= 0x7100,
    264	HCLGE_OPC_GET_SFP_EXIST		= 0x7101,
    265	HCLGE_OPC_GET_SFP_INFO		= 0x7104,
    266
    267	/* Error INT commands */
    268	HCLGE_MAC_COMMON_INT_EN		= 0x030E,
    269	HCLGE_TM_SCH_ECC_INT_EN		= 0x0829,
    270	HCLGE_SSU_ECC_INT_CMD		= 0x0989,
    271	HCLGE_SSU_COMMON_INT_CMD	= 0x098C,
    272	HCLGE_PPU_MPF_ECC_INT_CMD	= 0x0B40,
    273	HCLGE_PPU_MPF_OTHER_INT_CMD	= 0x0B41,
    274	HCLGE_PPU_PF_OTHER_INT_CMD	= 0x0B42,
    275	HCLGE_COMMON_ECC_INT_CFG	= 0x1505,
    276	HCLGE_QUERY_RAS_INT_STS_BD_NUM	= 0x1510,
    277	HCLGE_QUERY_CLEAR_MPF_RAS_INT	= 0x1511,
    278	HCLGE_QUERY_CLEAR_PF_RAS_INT	= 0x1512,
    279	HCLGE_QUERY_MSIX_INT_STS_BD_NUM	= 0x1513,
    280	HCLGE_QUERY_CLEAR_ALL_MPF_MSIX_INT	= 0x1514,
    281	HCLGE_QUERY_CLEAR_ALL_PF_MSIX_INT	= 0x1515,
    282	HCLGE_QUERY_ALL_ERR_BD_NUM		= 0x1516,
    283	HCLGE_QUERY_ALL_ERR_INFO		= 0x1517,
    284	HCLGE_CONFIG_ROCEE_RAS_INT_EN	= 0x1580,
    285	HCLGE_QUERY_CLEAR_ROCEE_RAS_INT = 0x1581,
    286	HCLGE_ROCEE_PF_RAS_INT_CMD	= 0x1584,
    287	HCLGE_QUERY_ROCEE_ECC_RAS_INFO_CMD	= 0x1585,
    288	HCLGE_QUERY_ROCEE_AXI_RAS_INFO_CMD	= 0x1586,
    289	HCLGE_IGU_EGU_TNL_INT_EN	= 0x1803,
    290	HCLGE_IGU_COMMON_INT_EN		= 0x1806,
    291	HCLGE_TM_QCN_MEM_INT_CFG	= 0x1A14,
    292	HCLGE_PPP_CMD0_INT_CMD		= 0x2100,
    293	HCLGE_PPP_CMD1_INT_CMD		= 0x2101,
    294	HCLGE_MAC_ETHERTYPE_IDX_RD      = 0x2105,
    295	HCLGE_NCSI_INT_EN		= 0x2401,
    296
    297	/* ROH MAC commands */
    298	HCLGE_OPC_MAC_ADDR_CHECK	= 0x9004,
    299
    300	/* PHY command */
    301	HCLGE_OPC_PHY_LINK_KSETTING	= 0x7025,
    302	HCLGE_OPC_PHY_REG		= 0x7026,
    303
    304	/* Query link diagnosis info command */
    305	HCLGE_OPC_QUERY_LINK_DIAGNOSIS	= 0x702A,
    306};
    307
    308enum hclge_comm_cmd_return_status {
    309	HCLGE_COMM_CMD_EXEC_SUCCESS	= 0,
    310	HCLGE_COMM_CMD_NO_AUTH		= 1,
    311	HCLGE_COMM_CMD_NOT_SUPPORTED	= 2,
    312	HCLGE_COMM_CMD_QUEUE_FULL	= 3,
    313	HCLGE_COMM_CMD_NEXT_ERR		= 4,
    314	HCLGE_COMM_CMD_UNEXE_ERR	= 5,
    315	HCLGE_COMM_CMD_PARA_ERR		= 6,
    316	HCLGE_COMM_CMD_RESULT_ERR	= 7,
    317	HCLGE_COMM_CMD_TIMEOUT		= 8,
    318	HCLGE_COMM_CMD_HILINK_ERR	= 9,
    319	HCLGE_COMM_CMD_QUEUE_ILLEGAL	= 10,
    320	HCLGE_COMM_CMD_INVALID		= 11,
    321};
    322
    323enum HCLGE_COMM_CAP_BITS {
    324	HCLGE_COMM_CAP_UDP_GSO_B,
    325	HCLGE_COMM_CAP_QB_B,
    326	HCLGE_COMM_CAP_FD_FORWARD_TC_B,
    327	HCLGE_COMM_CAP_PTP_B,
    328	HCLGE_COMM_CAP_INT_QL_B,
    329	HCLGE_COMM_CAP_HW_TX_CSUM_B,
    330	HCLGE_COMM_CAP_TX_PUSH_B,
    331	HCLGE_COMM_CAP_PHY_IMP_B,
    332	HCLGE_COMM_CAP_TQP_TXRX_INDEP_B,
    333	HCLGE_COMM_CAP_HW_PAD_B,
    334	HCLGE_COMM_CAP_STASH_B,
    335	HCLGE_COMM_CAP_UDP_TUNNEL_CSUM_B,
    336	HCLGE_COMM_CAP_RAS_IMP_B = 12,
    337	HCLGE_COMM_CAP_FEC_B = 13,
    338	HCLGE_COMM_CAP_PAUSE_B = 14,
    339	HCLGE_COMM_CAP_RXD_ADV_LAYOUT_B = 15,
    340	HCLGE_COMM_CAP_PORT_VLAN_BYPASS_B = 17,
    341	HCLGE_COMM_CAP_CQ_B = 18,
    342};
    343
    344enum HCLGE_COMM_API_CAP_BITS {
    345	HCLGE_COMM_API_CAP_FLEX_RSS_TBL_B,
    346};
    347
    348/* capabilities bits map between imp firmware and local driver */
    349struct hclge_comm_caps_bit_map {
    350	u16 imp_bit;
    351	u16 local_bit;
    352};
    353
    354struct hclge_comm_firmware_compat_cmd {
    355	__le32 compat;
    356	u8 rsv[20];
    357};
    358
    359enum hclge_comm_cmd_state {
    360	HCLGE_COMM_STATE_CMD_DISABLE,
    361};
    362
    363struct hclge_comm_errcode {
    364	u32 imp_errcode;
    365	int common_errno;
    366};
    367
    368#define HCLGE_COMM_QUERY_CAP_LENGTH		3
    369struct hclge_comm_query_version_cmd {
    370	__le32 firmware;
    371	__le32 hardware;
    372	__le32 api_caps;
    373	__le32 caps[HCLGE_COMM_QUERY_CAP_LENGTH]; /* capabilities of device */
    374};
    375
    376#define HCLGE_DESC_DATA_LEN		6
    377struct hclge_desc {
    378	__le16 opcode;
    379	__le16 flag;
    380	__le16 retval;
    381	__le16 rsv;
    382	__le32 data[HCLGE_DESC_DATA_LEN];
    383};
    384
    385struct hclge_comm_cmq_ring {
    386	dma_addr_t desc_dma_addr;
    387	struct hclge_desc *desc;
    388	struct pci_dev *pdev;
    389	u32 head;
    390	u32 tail;
    391
    392	u16 buf_size;
    393	u16 desc_num;
    394	int next_to_use;
    395	int next_to_clean;
    396	u8 ring_type; /* cmq ring type */
    397	spinlock_t lock; /* Command queue lock */
    398};
    399
    400enum hclge_comm_cmd_status {
    401	HCLGE_COMM_STATUS_SUCCESS	= 0,
    402	HCLGE_COMM_ERR_CSQ_FULL		= -1,
    403	HCLGE_COMM_ERR_CSQ_TIMEOUT	= -2,
    404	HCLGE_COMM_ERR_CSQ_ERROR	= -3,
    405};
    406
    407struct hclge_comm_cmq {
    408	struct hclge_comm_cmq_ring csq;
    409	struct hclge_comm_cmq_ring crq;
    410	u16 tx_timeout;
    411	enum hclge_comm_cmd_status last_status;
    412};
    413
    414struct hclge_comm_hw {
    415	void __iomem *io_base;
    416	void __iomem *mem_base;
    417	struct hclge_comm_cmq cmq;
    418	unsigned long comm_state;
    419};
    420
    421static inline void hclge_comm_write_reg(void __iomem *base, u32 reg, u32 value)
    422{
    423	writel(value, base + reg);
    424}
    425
    426static inline u32 hclge_comm_read_reg(u8 __iomem *base, u32 reg)
    427{
    428	u8 __iomem *reg_addr = READ_ONCE(base);
    429
    430	return readl(reg_addr + reg);
    431}
    432
    433#define hclge_comm_write_dev(a, reg, value) \
    434	hclge_comm_write_reg((a)->io_base, reg, value)
    435#define hclge_comm_read_dev(a, reg) \
    436	hclge_comm_read_reg((a)->io_base, reg)
    437
    438void hclge_comm_cmd_init_regs(struct hclge_comm_hw *hw);
    439int hclge_comm_cmd_query_version_and_capability(struct hnae3_ae_dev *ae_dev,
    440						struct hclge_comm_hw *hw,
    441						u32 *fw_version, bool is_pf);
    442int hclge_comm_alloc_cmd_queue(struct hclge_comm_hw *hw, int ring_type);
    443int hclge_comm_cmd_send(struct hclge_comm_hw *hw, struct hclge_desc *desc,
    444			int num);
    445void hclge_comm_cmd_reuse_desc(struct hclge_desc *desc, bool is_read);
    446int hclge_comm_firmware_compat_config(struct hnae3_ae_dev *ae_dev,
    447				      struct hclge_comm_hw *hw, bool en);
    448void hclge_comm_free_cmd_desc(struct hclge_comm_cmq_ring *ring);
    449void hclge_comm_cmd_setup_basic_desc(struct hclge_desc *desc,
    450				     enum hclge_opcode_type opcode,
    451				     bool is_read);
    452void hclge_comm_cmd_uninit(struct hnae3_ae_dev *ae_dev,
    453			   struct hclge_comm_hw *hw);
    454int hclge_comm_cmd_queue_init(struct pci_dev *pdev, struct hclge_comm_hw *hw);
    455int hclge_comm_cmd_init(struct hnae3_ae_dev *ae_dev, struct hclge_comm_hw *hw,
    456			u32 *fw_version, bool is_pf,
    457			unsigned long reset_pending);
    458
    459#endif