From bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 Mon Sep 17 00:00:00 2001 From: RajithaY Date: Tue, 25 Apr 2017 03:31:15 -0700 Subject: Adding qemu as a submodule of KVMFORNFV This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY --- qemu/roms/ipxe/src/drivers/infiniband/arbel.h | 655 -------------------------- 1 file changed, 655 deletions(-) delete mode 100644 qemu/roms/ipxe/src/drivers/infiniband/arbel.h (limited to 'qemu/roms/ipxe/src/drivers/infiniband/arbel.h') diff --git a/qemu/roms/ipxe/src/drivers/infiniband/arbel.h b/qemu/roms/ipxe/src/drivers/infiniband/arbel.h deleted file mode 100644 index 73394cd9a..000000000 --- a/qemu/roms/ipxe/src/drivers/infiniband/arbel.h +++ /dev/null @@ -1,655 +0,0 @@ -#ifndef _ARBEL_H -#define _ARBEL_H - -/** @file - * - * Mellanox Arbel Infiniband HCA driver - * - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -#include -#include -#include -#include "mlx_bitops.h" -#include "MT25218_PRM.h" - -/* - * Hardware constants - * - */ - -/* Ports in existence */ -#define ARBEL_NUM_PORTS 2 -#define ARBEL_PORT_BASE 1 - -/* PCI BARs */ -#define ARBEL_PCI_CONFIG_BAR PCI_BASE_ADDRESS_0 -#define ARBEL_PCI_CONFIG_BAR_SIZE 0x100000 -#define ARBEL_PCI_UAR_BAR PCI_BASE_ADDRESS_2 -#define ARBEL_PCI_UAR_IDX 1 -#define ARBEL_PCI_UAR_SIZE 0x1000 - -/* Device reset */ -#define ARBEL_RESET_OFFSET 0x0f0010 -#define ARBEL_RESET_MAGIC 0x01000000UL -#define ARBEL_RESET_WAIT_TIME_MS 1000 - -/* UAR context table (UCE) resource types */ -#define ARBEL_UAR_RES_NONE 0x00 -#define ARBEL_UAR_RES_CQ_CI 0x01 -#define ARBEL_UAR_RES_CQ_ARM 0x02 -#define ARBEL_UAR_RES_SQ 0x03 -#define ARBEL_UAR_RES_RQ 0x04 -#define ARBEL_UAR_RES_GROUP_SEP 0x07 - -/* Work queue entry and completion queue entry opcodes */ -#define ARBEL_OPCODE_SEND 0x0a -#define ARBEL_OPCODE_RECV_ERROR 0xfe -#define ARBEL_OPCODE_SEND_ERROR 0xff - -/* HCA command register opcodes */ -#define ARBEL_HCR_QUERY_DEV_LIM 0x0003 -#define ARBEL_HCR_QUERY_FW 0x0004 -#define ARBEL_HCR_INIT_HCA 0x0007 -#define ARBEL_HCR_CLOSE_HCA 0x0008 -#define ARBEL_HCR_INIT_IB 0x0009 -#define ARBEL_HCR_CLOSE_IB 0x000a -#define ARBEL_HCR_SW2HW_MPT 0x000d -#define ARBEL_HCR_MAP_EQ 0x0012 -#define ARBEL_HCR_SW2HW_EQ 0x0013 -#define ARBEL_HCR_HW2SW_EQ 0x0014 -#define ARBEL_HCR_SW2HW_CQ 0x0016 -#define ARBEL_HCR_HW2SW_CQ 0x0017 -#define ARBEL_HCR_QUERY_CQ 0x0018 -#define ARBEL_HCR_RST2INIT_QPEE 0x0019 -#define ARBEL_HCR_INIT2RTR_QPEE 0x001a -#define ARBEL_HCR_RTR2RTS_QPEE 0x001b -#define ARBEL_HCR_RTS2RTS_QPEE 0x001c -#define ARBEL_HCR_2RST_QPEE 0x0021 -#define ARBEL_HCR_QUERY_QPEE 0x0022 -#define ARBEL_HCR_CONF_SPECIAL_QP 0x0023 -#define ARBEL_HCR_MAD_IFC 0x0024 -#define ARBEL_HCR_READ_MGM 0x0025 -#define ARBEL_HCR_WRITE_MGM 0x0026 -#define ARBEL_HCR_MGID_HASH 0x0027 -#define ARBEL_HCR_RUN_FW 0x0ff6 -#define ARBEL_HCR_DISABLE_LAM 0x0ff7 -#define ARBEL_HCR_ENABLE_LAM 0x0ff8 -#define ARBEL_HCR_UNMAP_ICM 0x0ff9 -#define ARBEL_HCR_MAP_ICM 0x0ffa -#define ARBEL_HCR_UNMAP_ICM_AUX 0x0ffb -#define ARBEL_HCR_MAP_ICM_AUX 0x0ffc -#define ARBEL_HCR_SET_ICM_SIZE 0x0ffd -#define ARBEL_HCR_UNMAP_FA 0x0ffe -#define ARBEL_HCR_MAP_FA 0x0fff - -/* Service types */ -#define ARBEL_ST_RC 0x00 -#define ARBEL_ST_UD 0x03 -#define ARBEL_ST_MLX 0x07 - -/* MTUs */ -#define ARBEL_MTU_2048 0x04 - -#define ARBEL_NO_EQ 64 - -#define ARBEL_INVALID_LKEY 0x00000100UL - -#define ARBEL_PAGE_SIZE ( ( size_t ) 4096 ) - -#define ARBEL_RDB_ENTRY_SIZE ( ( size_t ) 32 ) - -#define ARBEL_DB_POST_SND_OFFSET 0x10 -#define ARBEL_DB_EQ_OFFSET(_eqn) ( 0x08 * (_eqn) ) - -#define ARBEL_QPEE_OPT_PARAM_QKEY 0x00000020UL - -#define ARBEL_MAP_EQ ( 0UL << 31 ) -#define ARBEL_UNMAP_EQ ( 1UL << 31 ) - -#define ARBEL_EV_PORT_STATE_CHANGE 0x09 - -#define ARBEL_LOG_MULTICAST_HASH_SIZE 3 - -#define ARBEL_PM_STATE_ARMED 0x00 -#define ARBEL_PM_STATE_REARM 0x01 -#define ARBEL_PM_STATE_MIGRATED 0x03 - -#define ARBEL_RETRY_MAX 0x07 - -/* - * Datatypes that seem to be missing from the autogenerated documentation - * - */ -struct arbelprm_mgm_hash_st { - pseudo_bit_t reserved0[0x00020]; -/* -------------- */ - pseudo_bit_t hash[0x00010]; - pseudo_bit_t reserved1[0x00010]; -} __attribute__ (( packed )); - -struct arbelprm_scalar_parameter_st { - pseudo_bit_t reserved0[0x00020]; -/* -------------- */ - pseudo_bit_t value[0x00020]; -} __attribute__ (( packed )); - -struct arbelprm_event_mask_st { - pseudo_bit_t reserved0[0x00020]; -/* -------------- */ - pseudo_bit_t completion[0x00001]; - pseudo_bit_t path_migration_succeeded[0x00001]; - pseudo_bit_t communication_established[0x00001]; - pseudo_bit_t send_queue_drained[0x00001]; - pseudo_bit_t cq_error[0x00001]; - pseudo_bit_t wq_catastrophe[0x00001]; - pseudo_bit_t qpc_catastrophe[0x00001]; - pseudo_bit_t path_migration_failed[0x00001]; - pseudo_bit_t reserved1[0x00001]; - pseudo_bit_t port_state_change[0x00001]; - pseudo_bit_t command_done[0x00001]; - pseudo_bit_t reserved2[0x00005]; - pseudo_bit_t wq_invalid_request[0x00001]; - pseudo_bit_t wq_access_violation[0x00001]; - pseudo_bit_t srq_catastrophe[0x00001]; - pseudo_bit_t srq_last_wqe[0x00001]; - pseudo_bit_t srq_rq_limit[0x00001]; - pseudo_bit_t gpio[0x00001]; - pseudo_bit_t clientreregister[0x00001]; - pseudo_bit_t path_migration_armed[0x00001]; - pseudo_bit_t reserved3[0x00008]; -} __attribute__ (( packed )); - -struct arbelprm_eq_set_ci_st { - pseudo_bit_t ci[0x00020]; -} __attribute__ (( packed )); - -struct arbelprm_port_state_change_event_st { - pseudo_bit_t reserved[0x00020]; - struct arbelprm_port_state_change_st data; -} __attribute__ (( packed )); - -/* - * Wrapper structures for hardware datatypes - * - */ - -struct MLX_DECLARE_STRUCT ( arbelprm_access_lam ); -struct MLX_DECLARE_STRUCT ( arbelprm_completion_queue_context ); -struct MLX_DECLARE_STRUCT ( arbelprm_completion_queue_entry ); -struct MLX_DECLARE_STRUCT ( arbelprm_completion_with_error ); -struct MLX_DECLARE_STRUCT ( arbelprm_cq_arm_db_record ); -struct MLX_DECLARE_STRUCT ( arbelprm_cq_ci_db_record ); -struct MLX_DECLARE_STRUCT ( arbelprm_event_mask ); -struct MLX_DECLARE_STRUCT ( arbelprm_event_queue_entry ); -struct MLX_DECLARE_STRUCT ( arbelprm_eq_set_ci ); -struct MLX_DECLARE_STRUCT ( arbelprm_eqc ); -struct MLX_DECLARE_STRUCT ( arbelprm_hca_command_register ); -struct MLX_DECLARE_STRUCT ( arbelprm_init_hca ); -struct MLX_DECLARE_STRUCT ( arbelprm_init_ib ); -struct MLX_DECLARE_STRUCT ( arbelprm_mad_ifc ); -struct MLX_DECLARE_STRUCT ( arbelprm_mgm_entry ); -struct MLX_DECLARE_STRUCT ( arbelprm_mgm_hash ); -struct MLX_DECLARE_STRUCT ( arbelprm_mpt ); -struct MLX_DECLARE_STRUCT ( arbelprm_port_state_change_event ); -struct MLX_DECLARE_STRUCT ( arbelprm_qp_db_record ); -struct MLX_DECLARE_STRUCT ( arbelprm_qp_ee_state_transitions ); -struct MLX_DECLARE_STRUCT ( arbelprm_query_dev_lim ); -struct MLX_DECLARE_STRUCT ( arbelprm_query_fw ); -struct MLX_DECLARE_STRUCT ( arbelprm_queue_pair_ee_context_entry ); -struct MLX_DECLARE_STRUCT ( arbelprm_recv_wqe_segment_next ); -struct MLX_DECLARE_STRUCT ( arbelprm_scalar_parameter ); -struct MLX_DECLARE_STRUCT ( arbelprm_send_doorbell ); -struct MLX_DECLARE_STRUCT ( arbelprm_ud_address_vector ); -struct MLX_DECLARE_STRUCT ( arbelprm_virtual_physical_mapping ); -struct MLX_DECLARE_STRUCT ( arbelprm_wqe_segment_ctrl_mlx ); -struct MLX_DECLARE_STRUCT ( arbelprm_wqe_segment_ctrl_send ); -struct MLX_DECLARE_STRUCT ( arbelprm_wqe_segment_data_ptr ); -struct MLX_DECLARE_STRUCT ( arbelprm_wqe_segment_next ); -struct MLX_DECLARE_STRUCT ( arbelprm_wqe_segment_ud ); - -/* - * Composite hardware datatypes - * - */ - -#define ARBEL_MAX_GATHER 2 - -struct arbelprm_ud_send_wqe { - struct arbelprm_wqe_segment_next next; - struct arbelprm_wqe_segment_ctrl_send ctrl; - struct arbelprm_wqe_segment_ud ud; - struct arbelprm_wqe_segment_data_ptr data[ARBEL_MAX_GATHER]; -} __attribute__ (( packed )); - -struct arbelprm_mlx_send_wqe { - struct arbelprm_wqe_segment_next next; - struct arbelprm_wqe_segment_ctrl_mlx ctrl; - struct arbelprm_wqe_segment_data_ptr data[ARBEL_MAX_GATHER]; - uint8_t headers[IB_MAX_HEADER_SIZE]; -} __attribute__ (( packed )); - -struct arbelprm_rc_send_wqe { - struct arbelprm_wqe_segment_next next; - struct arbelprm_wqe_segment_ctrl_send ctrl; - struct arbelprm_wqe_segment_data_ptr data[ARBEL_MAX_GATHER]; -} __attribute__ (( packed )); - -#define ARBEL_MAX_SCATTER 1 - -struct arbelprm_recv_wqe { - /* The autogenerated header is inconsistent between send and - * receive WQEs. The "ctrl" structure for receive WQEs is - * defined to include the "next" structure. Since the "ctrl" - * part of the "ctrl" structure contains only "reserved, must - * be zero" bits, we ignore its definition and provide - * something more usable. - */ - struct arbelprm_recv_wqe_segment_next next; - uint32_t ctrl[2]; /* All "reserved, must be zero" */ - struct arbelprm_wqe_segment_data_ptr data[ARBEL_MAX_SCATTER]; -} __attribute__ (( packed )); - -union arbelprm_completion_entry { - struct arbelprm_completion_queue_entry normal; - struct arbelprm_completion_with_error error; -} __attribute__ (( packed )); - -union arbelprm_event_entry { - struct arbelprm_event_queue_entry generic; - struct arbelprm_port_state_change_event port_state_change; -} __attribute__ (( packed )); - -union arbelprm_doorbell_record { - struct arbelprm_cq_arm_db_record cq_arm; - struct arbelprm_cq_ci_db_record cq_ci; - struct arbelprm_qp_db_record qp; -} __attribute__ (( packed )); - -union arbelprm_doorbell_register { - struct arbelprm_send_doorbell send; - uint32_t dword[2]; -} __attribute__ (( packed )); - -union arbelprm_eq_doorbell_register { - struct arbelprm_eq_set_ci ci; - uint32_t dword[1]; -} __attribute__ (( packed )); - -union arbelprm_mad { - struct arbelprm_mad_ifc ifc; - union ib_mad mad; -} __attribute__ (( packed )); - -/* - * iPXE-specific definitions - * - */ - -/** Arbel device limits */ -struct arbel_dev_limits { - /** Number of reserved QPs */ - unsigned int reserved_qps; - /** QP context entry size */ - size_t qpc_entry_size; - /** Extended QP context entry size */ - size_t eqpc_entry_size; - /** Number of reserved SRQs */ - unsigned int reserved_srqs; - /** SRQ context entry size */ - size_t srqc_entry_size; - /** Number of reserved EEs */ - unsigned int reserved_ees; - /** EE context entry size */ - size_t eec_entry_size; - /** Extended EE context entry size */ - size_t eeec_entry_size; - /** Number of reserved CQs */ - unsigned int reserved_cqs; - /** CQ context entry size */ - size_t cqc_entry_size; - /** Number of reserved EQs */ - unsigned int reserved_eqs; - /** Number of reserved MTTs */ - unsigned int reserved_mtts; - /** MTT entry size */ - size_t mtt_entry_size; - /** Number of reserved MRWs */ - unsigned int reserved_mrws; - /** MPT entry size */ - size_t mpt_entry_size; - /** Number of reserved RDBs */ - unsigned int reserved_rdbs; - /** EQ context entry size */ - size_t eqc_entry_size; - /** Number of reserved UARs */ - unsigned int reserved_uars; - /** UAR scratchpad entry size */ - size_t uar_scratch_entry_size; -}; - -/** Alignment of Arbel send work queue entries */ -#define ARBEL_SEND_WQE_ALIGN 128 - -/** An Arbel send work queue entry */ -union arbel_send_wqe { - struct arbelprm_wqe_segment_next next; - struct arbelprm_ud_send_wqe ud; - struct arbelprm_mlx_send_wqe mlx; - struct arbelprm_rc_send_wqe rc; - uint8_t force_align[ARBEL_SEND_WQE_ALIGN]; -} __attribute__ (( packed )); - -/** An Arbel send work queue */ -struct arbel_send_work_queue { - /** Doorbell record number */ - unsigned int doorbell_idx; - /** Work queue entries */ - union arbel_send_wqe *wqe; - /** Size of work queue */ - size_t wqe_size; -}; - -/** Alignment of Arbel receive work queue entries */ -#define ARBEL_RECV_WQE_ALIGN 64 - -/** An Arbel receive work queue entry */ -union arbel_recv_wqe { - struct arbelprm_recv_wqe recv; - uint8_t force_align[ARBEL_RECV_WQE_ALIGN]; -} __attribute__ (( packed )); - -/** An Arbel receive work queue */ -struct arbel_recv_work_queue { - /** Doorbell record number */ - unsigned int doorbell_idx; - /** Work queue entries */ - union arbel_recv_wqe *wqe; - /** Size of work queue */ - size_t wqe_size; -}; - -/** Number of special queue pairs */ -#define ARBEL_NUM_SPECIAL_QPS 4 - -/** Number of queue pairs reserved for the "special QP" block - * - * The special QPs must be in (2n,2n+1) pairs, hence we need to - * reserve one extra QP to allow for alignment. - */ -#define ARBEL_RSVD_SPECIAL_QPS ( ARBEL_NUM_SPECIAL_QPS + 1 ) - -/** Maximum number of allocatable queue pairs - * - * This is a policy decision, not a device limit. - */ -#define ARBEL_MAX_QPS 8 - -/** Queue pair number randomisation mask */ -#define ARBEL_QPN_RANDOM_MASK 0xfff000 - -/** Arbel queue pair state */ -enum arbel_queue_pair_state { - ARBEL_QP_ST_RST = 0, - ARBEL_QP_ST_INIT, - ARBEL_QP_ST_RTR, - ARBEL_QP_ST_RTS, -}; - -/** An Arbel queue pair */ -struct arbel_queue_pair { - /** Send work queue */ - struct arbel_send_work_queue send; - /** Receive work queue */ - struct arbel_recv_work_queue recv; - /** Queue state */ - enum arbel_queue_pair_state state; -}; - -/** Maximum number of allocatable completion queues - * - * This is a policy decision, not a device limit. - */ -#define ARBEL_MAX_CQS 8 - -/** An Arbel completion queue */ -struct arbel_completion_queue { - /** Consumer counter doorbell record number */ - unsigned int ci_doorbell_idx; - /** Arm queue doorbell record number */ - unsigned int arm_doorbell_idx; - /** Completion queue entries */ - union arbelprm_completion_entry *cqe; - /** Size of completion queue */ - size_t cqe_size; -}; - -/** Maximum number of allocatable event queues - * - * This is a policy decision, not a device limit. - */ -#define ARBEL_MAX_EQS 64 - -/** A Arbel event queue */ -struct arbel_event_queue { - /** Event queue entries */ - union arbelprm_event_entry *eqe; - /** Size of event queue */ - size_t eqe_size; - /** Event queue number */ - unsigned long eqn; - /** Next event queue entry index */ - unsigned long next_idx; - /** Doorbell register */ - void *doorbell; -}; - -/** Number of event queue entries - * - * This is a policy decision. - */ -#define ARBEL_NUM_EQES 4 - - -/** An Arbel resource bitmask */ -typedef uint32_t arbel_bitmask_t; - -/** Size of an Arbel resource bitmask */ -#define ARBEL_BITMASK_SIZE(max_entries) \ - ( ( (max_entries) + ( 8 * sizeof ( arbel_bitmask_t ) ) - 1 ) / \ - ( 8 * sizeof ( arbel_bitmask_t ) ) ) - -/** An Arbel device */ -struct arbel { - /** PCI device */ - struct pci_device *pci; - /** PCI configuration registers */ - void *config; - /** PCI user Access Region */ - void *uar; - /** Event queue consumer index doorbells */ - void *eq_ci_doorbells; - - /** Command input mailbox */ - void *mailbox_in; - /** Command output mailbox */ - void *mailbox_out; - - /** Device open request counter */ - unsigned int open_count; - - /** Firmware size */ - size_t firmware_len; - /** Firmware area in external memory - * - * This is allocated when first needed, and freed only on - * final teardown, in order to avoid memory map changes at - * runtime. - */ - userptr_t firmware_area; - /** ICM size */ - size_t icm_len; - /** ICM AUX size */ - size_t icm_aux_len; - /** ICM area - * - * This is allocated when first needed, and freed only on - * final teardown, in order to avoid memory map changes at - * runtime. - */ - userptr_t icm; - /** Offset within ICM of doorbell records */ - size_t db_rec_offset; - /** Doorbell records */ - union arbelprm_doorbell_record *db_rec; - /** Event queue */ - struct arbel_event_queue eq; - /** Unrestricted LKey - * - * Used to get unrestricted memory access. - */ - unsigned long lkey; - - /** Completion queue in-use bitmask */ - arbel_bitmask_t cq_inuse[ ARBEL_BITMASK_SIZE ( ARBEL_MAX_CQS ) ]; - /** Queue pair in-use bitmask */ - arbel_bitmask_t qp_inuse[ ARBEL_BITMASK_SIZE ( ARBEL_MAX_QPS ) ]; - - /** Device limits */ - struct arbel_dev_limits limits; - /** Special QPN base */ - unsigned long special_qpn_base; - /** QPN base */ - unsigned long qpn_base; - - /** Infiniband devices */ - struct ib_device *ibdev[ARBEL_NUM_PORTS]; -}; - -/** Global protection domain */ -#define ARBEL_GLOBAL_PD 0x123456 - -/** Memory key prefix */ -#define ARBEL_MKEY_PREFIX 0x77000000UL - -/* - * HCA commands - * - */ - -#define ARBEL_HCR_BASE 0x80680 -#define ARBEL_HCR_REG(x) ( ARBEL_HCR_BASE + 4 * (x) ) -#define ARBEL_HCR_MAX_WAIT_MS 2000 -#define ARBEL_MBOX_ALIGN 4096 -#define ARBEL_MBOX_SIZE 512 - -/* HCA command is split into - * - * bits 11:0 Opcode - * bit 12 Input uses mailbox - * bit 13 Output uses mailbox - * bits 22:14 Input parameter length (in dwords) - * bits 31:23 Output parameter length (in dwords) - * - * Encoding the information in this way allows us to cut out several - * parameters to the arbel_command() call. - */ -#define ARBEL_HCR_IN_MBOX 0x00001000UL -#define ARBEL_HCR_OUT_MBOX 0x00002000UL -#define ARBEL_HCR_OPCODE( _command ) ( (_command) & 0xfff ) -#define ARBEL_HCR_IN_LEN( _command ) ( ( (_command) >> 12 ) & 0x7fc ) -#define ARBEL_HCR_OUT_LEN( _command ) ( ( (_command) >> 21 ) & 0x7fc ) - -/** Build HCR command from component parts */ -#define ARBEL_HCR_INOUT_CMD( _opcode, _in_mbox, _in_len, \ - _out_mbox, _out_len ) \ - ( (_opcode) | \ - ( (_in_mbox) ? ARBEL_HCR_IN_MBOX : 0 ) | \ - ( ( (_in_len) / 4 ) << 14 ) | \ - ( (_out_mbox) ? ARBEL_HCR_OUT_MBOX : 0 ) | \ - ( ( (_out_len) / 4 ) << 23 ) ) - -#define ARBEL_HCR_IN_CMD( _opcode, _in_mbox, _in_len ) \ - ARBEL_HCR_INOUT_CMD ( _opcode, _in_mbox, _in_len, 0, 0 ) - -#define ARBEL_HCR_OUT_CMD( _opcode, _out_mbox, _out_len ) \ - ARBEL_HCR_INOUT_CMD ( _opcode, 0, 0, _out_mbox, _out_len ) - -#define ARBEL_HCR_VOID_CMD( _opcode ) \ - ARBEL_HCR_INOUT_CMD ( _opcode, 0, 0, 0, 0 ) - -/* - * Doorbell record allocation - * - * The doorbell record map looks like: - * - * ARBEL_MAX_CQS * Arm completion queue doorbell - * ARBEL_MAX_QPS * Send work request doorbell - * Group separator - * ...(empty space)... - * ARBEL_MAX_QPS * Receive work request doorbell - * ARBEL_MAX_CQS * Completion queue consumer counter update doorbell - */ - -#define ARBEL_MAX_DOORBELL_RECORDS 512 -#define ARBEL_GROUP_SEPARATOR_DOORBELL \ - ( ARBEL_MAX_CQS + ARBEL_RSVD_SPECIAL_QPS + ARBEL_MAX_QPS ) - -/** - * Get arm completion queue doorbell index - * - * @v arbel Arbel device - * @v cq Completion queue - * @ret doorbell_idx Doorbell index - */ -static inline unsigned int -arbel_cq_arm_doorbell_idx ( struct arbel *arbel, - struct ib_completion_queue *cq ) { - return ( cq->cqn - arbel->limits.reserved_cqs ); -} - -/** - * Get send work request doorbell index - * - * @v arbel Arbel device - * @v qp Queue pair - * @ret doorbell_idx Doorbell index - */ -static inline unsigned int -arbel_send_doorbell_idx ( struct arbel *arbel, struct ib_queue_pair *qp ) { - return ( ARBEL_MAX_CQS + - ( ( qp->qpn & ~ARBEL_QPN_RANDOM_MASK ) - - arbel->special_qpn_base ) ); -} - -/** - * Get receive work request doorbell index - * - * @v arbel Arbel device - * @v qp Queue pair - * @ret doorbell_idx Doorbell index - */ -static inline unsigned int -arbel_recv_doorbell_idx ( struct arbel *arbel, struct ib_queue_pair *qp ) { - return ( ARBEL_MAX_DOORBELL_RECORDS - ARBEL_MAX_CQS - - ( ( qp->qpn & ~ARBEL_QPN_RANDOM_MASK ) - - arbel->special_qpn_base ) - 1 ); -} - -/** - * Get completion queue consumer counter doorbell index - * - * @v arbel Arbel device - * @v cq Completion queue - * @ret doorbell_idx Doorbell index - */ -static inline unsigned int -arbel_cq_ci_doorbell_idx ( struct arbel *arbel, - struct ib_completion_queue *cq ) { - return ( ARBEL_MAX_DOORBELL_RECORDS - - ( cq->cqn - arbel->limits.reserved_cqs ) - 1 ); -} - -#endif /* _ARBEL_H */ -- cgit 1.2.3-korg