git: 4fecb7015432 - main - ixl(4): Add more debug information for queues' config
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Date: Tue, 27 Aug 2024 23:16:03 UTC
The branch main has been updated by erj: URL: https://cgit.FreeBSD.org/src/commit/?id=4fecb70154322fb8160da10d87c633cefaff7db3 commit 4fecb70154322fb8160da10d87c633cefaff7db3 Author: Krzysztof Galazka <krzysztof.galazka@intel.com> AuthorDate: 2024-08-27 23:11:18 +0000 Commit: Eric Joyner <erj@FreeBSD.org> CommitDate: 2024-08-27 23:13:19 +0000 ixl(4): Add more debug information for queues' config Include information about interrupt linked lists in queue_interrupt_table sysctl and add new debug sysctl queue_int_ctln allowing to check current interrupt state. Signed-off-by: Krzysztof Galazka <krzysztof.galazka@intel.com> Signed-off-by: Eric Joyner <erj@FreeBSD.org> Reviewed by: erj@ Sponsored by: Intel Corporation Differential Revision: https://reviews.freebsd.org/D45403 --- sys/dev/ixl/ixl_pf_main.c | 53 +++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 51 insertions(+), 2 deletions(-) diff --git a/sys/dev/ixl/ixl_pf_main.c b/sys/dev/ixl/ixl_pf_main.c index 4e1b1001efdc..9755136df848 100644 --- a/sys/dev/ixl/ixl_pf_main.c +++ b/sys/dev/ixl/ixl_pf_main.c @@ -91,6 +91,7 @@ static int ixl_sysctl_do_pf_reset(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_do_core_reset(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_do_global_reset(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_queue_interrupt_table(SYSCTL_HANDLER_ARGS); +static int ixl_sysctl_debug_queue_int_ctln(SYSCTL_HANDLER_ARGS); #ifdef IXL_DEBUG static int ixl_sysctl_qtx_tail_handler(SYSCTL_HANDLER_ARGS); static int ixl_sysctl_qrx_tail_handler(SYSCTL_HANDLER_ARGS); @@ -2528,6 +2529,12 @@ ixl_add_sysctls_recovery_mode(struct ixl_pf *pf) OID_AUTO, "queue_interrupt_table", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, pf, 0, ixl_sysctl_queue_interrupt_table, "A", "View MSI-X indices for TX/RX queues"); + + SYSCTL_ADD_PROC(ctx, debug_list, + OID_AUTO, "queue_int_ctln", + CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, + pf, 0, ixl_sysctl_debug_queue_int_ctln, "A", + "View MSI-X control registers for RX queues"); } void @@ -4899,6 +4906,7 @@ ixl_sysctl_queue_interrupt_table(SYSCTL_HANDLER_ARGS) { struct ixl_pf *pf = (struct ixl_pf *)arg1; struct ixl_vsi *vsi = &pf->vsi; + struct i40e_hw *hw = vsi->hw; device_t dev = pf->dev; struct sbuf *buf; int error = 0; @@ -4915,11 +4923,52 @@ ixl_sysctl_queue_interrupt_table(SYSCTL_HANDLER_ARGS) sbuf_cat(buf, "\n"); for (int i = 0; i < vsi->num_rx_queues; i++) { rx_que = &vsi->rx_queues[i]; - sbuf_printf(buf, "(rxq %3d): %d\n", i, rx_que->msix); + sbuf_printf(buf, + "(rxq %3d): %d LNKLSTN: %08x QINT_RQCTL: %08x\n", + i, rx_que->msix, + rd32(hw, I40E_PFINT_LNKLSTN(rx_que->msix - 1)), + rd32(hw, I40E_QINT_RQCTL(rx_que->msix - 1))); } for (int i = 0; i < vsi->num_tx_queues; i++) { tx_que = &vsi->tx_queues[i]; - sbuf_printf(buf, "(txq %3d): %d\n", i, tx_que->msix); + sbuf_printf(buf, "(txq %3d): %d QINT_TQCTL: %08x\n", + i, tx_que->msix, + rd32(hw, I40E_QINT_TQCTL(tx_que->msix - 1))); + } + + error = sbuf_finish(buf); + if (error) + device_printf(dev, "Error finishing sbuf: %d\n", error); + sbuf_delete(buf); + + return (error); +} + +static int +ixl_sysctl_debug_queue_int_ctln(SYSCTL_HANDLER_ARGS) +{ + struct ixl_pf *pf = (struct ixl_pf *)arg1; + struct ixl_vsi *vsi = &pf->vsi; + struct i40e_hw *hw = vsi->hw; + device_t dev = pf->dev; + struct sbuf *buf; + int error = 0; + + struct ixl_rx_queue *rx_que = vsi->rx_queues; + + buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); + if (!buf) { + device_printf(dev, "Could not allocate sbuf for output.\n"); + return (ENOMEM); + } + + sbuf_cat(buf, "\n"); + for (int i = 0; i < vsi->num_rx_queues; i++) { + rx_que = &vsi->rx_queues[i]; + sbuf_printf(buf, + "(rxq %3d): %d PFINT_DYN_CTLN: %08x\n", + i, rx_que->msix, + rd32(hw, I40E_PFINT_DYN_CTLN(rx_que->msix - 1))); } error = sbuf_finish(buf);