From 3dee345ab31a8cc685c9fe5ba3f90aa322ee1d48 Mon Sep 17 00:00:00 2001 From: Andrew Rybchenko Date: Fri, 2 Jul 2021 11:39:31 +0300 Subject: [PATCH] common/sfc_efx/base: separate target EvQ and IRQ config Target EvQ and IRQ number are specified in the same location in MCDI request. The value is treated as IRQ number if the event queue is interrupting (corresponding flag is set) and as target event queue otherwise. However it is better to separate it on helper API level to make it more clear. Signed-off-by: Andrew Rybchenko Reviewed-by: Andy Moreton --- drivers/common/sfc_efx/base/ef10_ev.c | 12 +++++++----- drivers/common/sfc_efx/base/efx_impl.h | 1 + drivers/common/sfc_efx/base/efx_mcdi.c | 7 ++++++- drivers/common/sfc_efx/base/rhead_ev.c | 12 +++++++----- 4 files changed, 21 insertions(+), 11 deletions(-) diff --git a/drivers/common/sfc_efx/base/ef10_ev.c b/drivers/common/sfc_efx/base/ef10_ev.c index ea59beecc4..c0cbc427b9 100644 --- a/drivers/common/sfc_efx/base/ef10_ev.c +++ b/drivers/common/sfc_efx/base/ef10_ev.c @@ -121,7 +121,8 @@ ef10_ev_qcreate( __in efx_evq_t *eep) { efx_nic_cfg_t *encp = &(enp->en_nic_cfg); - uint32_t irq; + uint32_t irq = 0; + uint32_t target_evq = 0; efx_rc_t rc; boolean_t low_latency; @@ -159,11 +160,12 @@ ef10_ev_qcreate( EFX_EVQ_FLAGS_NOTIFY_INTERRUPT) { irq = index; } else if (index == EFX_EF10_ALWAYS_INTERRUPTING_EVQ_INDEX) { - irq = index; + /* Use the first interrupt for always interrupting EvQ */ + irq = 0; flags = (flags & ~EFX_EVQ_FLAGS_NOTIFY_MASK) | EFX_EVQ_FLAGS_NOTIFY_INTERRUPT; } else { - irq = EFX_EF10_ALWAYS_INTERRUPTING_EVQ_INDEX; + target_evq = EFX_EF10_ALWAYS_INTERRUPTING_EVQ_INDEX; } /* @@ -187,8 +189,8 @@ ef10_ev_qcreate( * decision and low_latency hint is ignored. */ low_latency = encp->enc_datapath_cap_evb ? 0 : 1; - rc = efx_mcdi_init_evq(enp, index, esmp, ndescs, irq, us, flags, - low_latency); + rc = efx_mcdi_init_evq(enp, index, esmp, ndescs, irq, target_evq, us, + flags, low_latency); if (rc != 0) goto fail2; diff --git a/drivers/common/sfc_efx/base/efx_impl.h b/drivers/common/sfc_efx/base/efx_impl.h index 8b63cfb37d..4fff9e1842 100644 --- a/drivers/common/sfc_efx/base/efx_impl.h +++ b/drivers/common/sfc_efx/base/efx_impl.h @@ -1535,6 +1535,7 @@ efx_mcdi_init_evq( __in efsys_mem_t *esmp, __in size_t nevs, __in uint32_t irq, + __in uint32_t target_evq, __in uint32_t us, __in uint32_t flags, __in boolean_t low_latency); diff --git a/drivers/common/sfc_efx/base/efx_mcdi.c b/drivers/common/sfc_efx/base/efx_mcdi.c index f226ffd923..b68fc0503d 100644 --- a/drivers/common/sfc_efx/base/efx_mcdi.c +++ b/drivers/common/sfc_efx/base/efx_mcdi.c @@ -2568,6 +2568,7 @@ efx_mcdi_init_evq( __in efsys_mem_t *esmp, __in size_t nevs, __in uint32_t irq, + __in uint32_t target_evq, __in uint32_t us, __in uint32_t flags, __in boolean_t low_latency) @@ -2602,11 +2603,15 @@ efx_mcdi_init_evq( MCDI_IN_SET_DWORD(req, INIT_EVQ_V2_IN_SIZE, nevs); MCDI_IN_SET_DWORD(req, INIT_EVQ_V2_IN_INSTANCE, instance); - MCDI_IN_SET_DWORD(req, INIT_EVQ_V2_IN_IRQ_NUM, irq); interrupting = ((flags & EFX_EVQ_FLAGS_NOTIFY_MASK) == EFX_EVQ_FLAGS_NOTIFY_INTERRUPT); + if (interrupting) + MCDI_IN_SET_DWORD(req, INIT_EVQ_V2_IN_IRQ_NUM, irq); + else + MCDI_IN_SET_DWORD(req, INIT_EVQ_V2_IN_TARGET_EVQ, target_evq); + if (encp->enc_init_evq_v2_supported) { /* * On Medford the low latency license is required to enable RX diff --git a/drivers/common/sfc_efx/base/rhead_ev.c b/drivers/common/sfc_efx/base/rhead_ev.c index 2099581fd7..533cd9e34a 100644 --- a/drivers/common/sfc_efx/base/rhead_ev.c +++ b/drivers/common/sfc_efx/base/rhead_ev.c @@ -106,7 +106,8 @@ rhead_ev_qcreate( { const efx_nic_cfg_t *encp = efx_nic_cfg_get(enp); size_t desc_size; - uint32_t irq; + uint32_t irq = 0; + uint32_t target_evq = 0; efx_rc_t rc; _NOTE(ARGUNUSED(id)) /* buftbl id managed by MC */ @@ -142,19 +143,20 @@ rhead_ev_qcreate( EFX_EVQ_FLAGS_NOTIFY_INTERRUPT) { irq = index; } else if (index == EFX_RHEAD_ALWAYS_INTERRUPTING_EVQ_INDEX) { - irq = index; + /* Use the first interrupt for always interrupting EvQ */ + irq = 0; flags = (flags & ~EFX_EVQ_FLAGS_NOTIFY_MASK) | EFX_EVQ_FLAGS_NOTIFY_INTERRUPT; } else { - irq = EFX_RHEAD_ALWAYS_INTERRUPTING_EVQ_INDEX; + target_evq = EFX_RHEAD_ALWAYS_INTERRUPTING_EVQ_INDEX; } /* * Interrupts may be raised for events immediately after the queue is * created. See bug58606. */ - rc = efx_mcdi_init_evq(enp, index, esmp, ndescs, irq, us, flags, - B_FALSE); + rc = efx_mcdi_init_evq(enp, index, esmp, ndescs, irq, target_evq, us, + flags, B_FALSE); if (rc != 0) goto fail2; -- 2.20.1