| 1 | |
| 2 | * Copyright 2014 Advanced Micro Devices, Inc.
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| 3 | *
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 5 | * copy of this software and associated documentation files (the "Software"),
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| 6 | * to deal in the Software without restriction, including without limitation
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the
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| 9 | * Software is furnished to do so, subject to the following conditions:
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| 10 | *
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| 11 | * The above copyright notice and this permission notice shall be included in
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| 12 | * all copies or substantial portions of the Software.
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| 13 | *
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| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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| 18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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| 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 20 | * OTHER DEALINGS IN THE SOFTWARE.
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| 21 | *
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| 22 |
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| 23 |
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| 24 | #include "amdgpu.h"
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| 25 | #include "nbio/nbio_2_3_offset.h"
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| 26 | #include "nbio/nbio_2_3_sh_mask.h"
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| 27 | #include "gc/gc_10_1_0_offset.h"
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| 28 | #include "gc/gc_10_1_0_sh_mask.h"
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| 29 | #include "soc15.h"
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| 30 | #include "navi10_ih.h"
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| 31 | #include "soc15_common.h"
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| 32 | #include "mxgpu_nv.h"
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| 33 |
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| 34 | #include "amdgpu_reset.h"
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| 35 |
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| 36 | static void xgpu_nv_mailbox_send_ack(struct amdgpu_device *adev)
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| 37 | {
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| 38 | WREG8(NV_MAIBOX_CONTROL_RCV_OFFSET_BYTE, 2);
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| 39 | }
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| 40 |
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| 41 | static void xgpu_nv_mailbox_set_valid(struct amdgpu_device *adev, bool val)
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| 42 | {
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| 43 | WREG8(NV_MAIBOX_CONTROL_TRN_OFFSET_BYTE, val ? 1 : 0);
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| 44 | }
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| 45 |
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| 46 | |
| 47 | * this peek_msg could *only* be called in IRQ routine becuase in IRQ routine
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| 48 | * RCV_MSG_VALID filed of BIF_BX_PF_MAILBOX_CONTROL must already be set to 1
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| 49 | * by host.
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| 50 | *
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| 51 | * if called no in IRQ routine, this peek_msg cannot guaranteed to return the
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| 52 | * correct value since it doesn't return the RCV_DW0 under the case that
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| 53 | * RCV_MSG_VALID is set by host.
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| 54 |
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| 55 | static enum idh_event xgpu_nv_mailbox_peek_msg(struct amdgpu_device *adev)
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| 56 | {
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| 57 | return RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW0);
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| 58 | }
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| 59 |
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| 60 |
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| 61 | static int xgpu_nv_mailbox_rcv_msg(struct amdgpu_device *adev,
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| 62 | enum idh_event event)
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| 63 | {
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| 64 | int r = 0;
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| 65 | u32 reg;
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| 66 |
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| 67 | reg = RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW0);
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| 68 | if (reg == IDH_FAIL)
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| 69 | r = -EINVAL;
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| 70 | if (reg == IDH_UNRECOV_ERR_NOTIFICATION)
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| 71 | r = -ENODEV;
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| 72 | else if (reg != event)
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| 73 | return -ENOENT;
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| 74 |
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| 75 | xgpu_nv_mailbox_send_ack(adev);
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| 76 |
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| 77 | return r;
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| 78 | }
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| 79 |
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| 80 | static uint8_t xgpu_nv_peek_ack(struct amdgpu_device *adev)
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| 81 | {
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| 82 | return RREG8(NV_MAIBOX_CONTROL_TRN_OFFSET_BYTE) & 2;
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| 83 | }
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| 84 |
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| 85 | static int xgpu_nv_poll_ack(struct amdgpu_device *adev)
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| 86 | {
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| 87 | int timeout = NV_MAILBOX_POLL_ACK_TIMEDOUT;
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| 88 | u8 reg;
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| 89 |
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| 90 | do {
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| 91 | reg = RREG8(NV_MAIBOX_CONTROL_TRN_OFFSET_BYTE);
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| 92 | if (reg & 2)
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| 93 | return 0;
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| 94 |
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| 95 | mdelay(5);
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| 96 | timeout -= 5;
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| 97 | } while (timeout > 1);
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| 98 |
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| 99 | dev_err(adev->dev,
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| 100 | "Doesn't get TRN_MSG_ACK from pf in %d msec\n",
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| 101 | NV_MAILBOX_POLL_ACK_TIMEDOUT);
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| 102 |
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| 103 | return -ETIME;
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| 104 | }
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| 105 |
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| 106 | static int xgpu_nv_poll_msg(struct amdgpu_device *adev, enum idh_event event)
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| 107 | {
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| 108 | int r;
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| 109 | uint64_t timeout, now;
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| 110 | struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
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| 111 |
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| 112 | now = (uint64_t)ktime_to_ms(ktime_get());
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| 113 | timeout = now + NV_MAILBOX_POLL_MSG_TIMEDOUT;
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| 114 |
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| 115 | do {
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| 116 | r = xgpu_nv_mailbox_rcv_msg(adev, event);
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| 117 | if (!r) {
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| 118 | dev_dbg(adev->dev, "rcv_msg 0x%x after %llu ms\n",
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| 119 | event, NV_MAILBOX_POLL_MSG_TIMEDOUT - timeout + now);
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| 120 | return 0;
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| 121 | } else if (r == -ENODEV) {
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| 122 | if (!amdgpu_ras_is_rma(adev)) {
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| 123 | ras->is_rma = true;
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| 124 | dev_err(adev->dev, "VF is in an unrecoverable state. "
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| 125 | "Runtime Services are halted.\n");
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| 126 | }
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| 127 | return r;
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| 128 | }
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| 129 |
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| 130 | msleep(10);
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| 131 | now = (uint64_t)ktime_to_ms(ktime_get());
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| 132 | } while (timeout > now);
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| 133 |
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| 134 | dev_dbg(adev->dev, "nv_poll_msg timed out\n");
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| 135 |
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| 136 | return -ETIME;
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| 137 | }
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| 138 |
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| 139 | static void xgpu_nv_mailbox_trans_msg (struct amdgpu_device *adev,
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| 140 | enum idh_request req, u32 data1, u32 data2, u32 data3)
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| 141 | {
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| 142 | int r;
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| 143 | uint8_t trn;
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| 144 |
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| 145 | |
| 146 | * clear TRN_MSG_VALID valid to clear host's RCV_MSG_ACK
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| 147 | * and with host's RCV_MSG_ACK cleared hw automatically clear host's RCV_MSG_ACK
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| 148 | * which lead to VF's TRN_MSG_ACK cleared, otherwise below xgpu_nv_poll_ack()
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| 149 | * will return immediatly
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| 150 |
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| 151 | do {
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| 152 | xgpu_nv_mailbox_set_valid(adev, false);
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| 153 | trn = xgpu_nv_peek_ack(adev);
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| 154 | if (trn) {
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| 155 | dev_err_ratelimited(adev->dev, "trn=%x ACK should not assert! wait again !\n", trn);
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| 156 | msleep(1);
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| 157 | }
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| 158 | } while (trn);
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| 159 |
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| 160 | dev_dbg(adev->dev, "trans_msg req = 0x%x, data1 = 0x%x\n", req, data1);
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| 161 | WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW0, req);
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| 162 | WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW1, data1);
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| 163 | WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW2, data2);
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| 164 | WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW3, data3);
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| 165 | xgpu_nv_mailbox_set_valid(adev, true);
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| 166 |
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| 167 |
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| 168 | r = xgpu_nv_poll_ack(adev);
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| 169 | if (r)
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| 170 | dev_err(adev->dev, "Doesn't get ack from pf, continue\n");
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| 171 |
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| 172 | xgpu_nv_mailbox_set_valid(adev, false);
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| 173 | }
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| 174 |
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| 175 | static int xgpu_nv_send_access_requests_with_param(struct amdgpu_device *adev,
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| 176 | enum idh_request req, u32 data1, u32 data2, u32 data3)
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| 177 | {
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| 178 | struct amdgpu_virt *virt = &adev->virt;
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| 179 | int r = 0, retry = 1;
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| 180 | enum idh_event event = -1;
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| 181 |
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| 182 | mutex_lock(&virt->access_req_mutex);
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| 183 | send_request:
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| 184 |
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| 185 | if (amdgpu_ras_is_rma(adev)) {
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| 186 | r = -ENODEV;
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| 187 | goto out;
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| 188 | }
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| 189 |
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| 190 | xgpu_nv_mailbox_trans_msg(adev, req, data1, data2, data3);
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| 191 |
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| 192 | switch (req) {
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| 193 | case IDH_REQ_GPU_INIT_ACCESS:
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| 194 | case IDH_REQ_GPU_FINI_ACCESS:
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| 195 | case IDH_REQ_GPU_RESET_ACCESS:
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| 196 | event = IDH_READY_TO_ACCESS_GPU;
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| 197 | break;
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| 198 | case IDH_REQ_GPU_INIT_DATA:
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| 199 | event = IDH_REQ_GPU_INIT_DATA_READY;
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| 200 | break;
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| 201 | case IDH_RAS_POISON:
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| 202 | if (data1 != 0)
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| 203 | event = IDH_RAS_POISON_READY;
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| 204 | break;
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| 205 | case IDH_REQ_RAS_ERROR_COUNT:
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| 206 | event = IDH_RAS_ERROR_COUNT_READY;
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| 207 | break;
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| 208 | case IDH_REQ_RAS_CPER_DUMP:
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| 209 | event = IDH_RAS_CPER_DUMP_READY;
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| 210 | break;
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| 211 | case IDH_REQ_RAS_CHK_CRITI:
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| 212 | event = IDH_REQ_RAS_CHK_CRITI_READY;
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| 213 | break;
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| 214 | case IDH_REQ_RAS_REMOTE_CMD:
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| 215 | event = IDH_REQ_RAS_REMOTE_CMD_READY;
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| 216 | break;
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| 217 | case IDH_REQ_PTL_UPDATE:
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| 218 | event = IDH_PTL_UPDATE_READY;
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| 219 | break;
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| 220 | default:
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| 221 | break;
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| 222 | }
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| 223 |
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| 224 | if (event != -1) {
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| 225 | r = xgpu_nv_poll_msg(adev, event);
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| 226 | if (r) {
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| 227 | if (retry++ < 5)
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| 228 | goto send_request;
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| 229 |
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| 230 | if (req != IDH_REQ_GPU_INIT_DATA) {
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| 231 | dev_err(adev->dev, "Doesn't get msg:%d from pf, error=%d\n", event, r);
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| 232 | goto out;
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| 233 | } else
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| 234 | adev->virt.req_init_data_ver = 0;
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| 235 | } else {
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| 236 | if (req == IDH_REQ_GPU_INIT_DATA) {
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| 237 | switch (RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW1)) {
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| 238 | case GPU_CRIT_REGION_V2:
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| 239 | adev->virt.req_init_data_ver = GPU_CRIT_REGION_V2;
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| 240 | adev->virt.init_data_header.offset =
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| 241 | RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW2);
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| 242 | adev->virt.init_data_header.size_kb =
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| 243 | RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW3);
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| 244 | break;
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| 245 | default:
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| 246 | adev->virt.req_init_data_ver = GPU_CRIT_REGION_V1;
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| 247 | adev->virt.init_data_header.offset = -1;
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| 248 | adev->virt.init_data_header.size_kb = 0;
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| 249 | break;
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| 250 | }
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| 251 | }
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| 252 | }
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| 253 |
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| 254 |
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| 255 | if (req == IDH_REQ_GPU_INIT_ACCESS || req == IDH_REQ_GPU_RESET_ACCESS) {
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| 256 | adev->virt.fw_reserve.checksum_key =
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| 257 | RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW2);
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| 258 | }
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| 259 |
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| 260 |
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| 261 | if (req == IDH_REQ_PTL_UPDATE) {
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| 262 | u32 dw1 = RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW1);
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| 263 | u32 dw2 = RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW2);
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| 264 | u32 status = AMD_SRIOV_PTL_UNPACK_STATUS(dw1);
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| 265 |
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| 266 | if (status == AMD_SRIOV_RESP_UNSUPPORTED) {
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| 267 | r = -EOPNOTSUPP;
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| 268 | } else if (status == AMD_SRIOV_RESP_FAIL) {
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| 269 | r = -EIO;
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| 270 | } else {
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| 271 | adev->virt.ptl_state = AMD_SRIOV_PTL_UNPACK_STATE(dw1);
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| 272 | adev->virt.ptl_pref_format1 = AMD_SRIOV_PTL_UNPACK_FMT1(dw2);
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| 273 | adev->virt.ptl_pref_format2 = AMD_SRIOV_PTL_UNPACK_FMT2(dw2);
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| 274 | }
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| 275 | }
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| 276 | }
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| 277 |
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| 278 | out:
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| 279 | mutex_unlock(&virt->access_req_mutex);
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| 280 |
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| 281 | return r;
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| 282 | }
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| 283 |
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| 284 | static int xgpu_nv_send_access_requests(struct amdgpu_device *adev,
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| 285 | enum idh_request req)
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| 286 | {
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| 287 | return xgpu_nv_send_access_requests_with_param(adev,
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| 288 | req, 0, 0, 0);
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| 289 | }
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| 290 |
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| 291 | static int xgpu_nv_request_reset(struct amdgpu_device *adev)
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| 292 | {
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| 293 | int ret, i = 0;
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| 294 |
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| 295 | while (i < NV_MAILBOX_POLL_MSG_REP_MAX) {
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| 296 | ret = xgpu_nv_send_access_requests(adev, IDH_REQ_GPU_RESET_ACCESS);
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| 297 | if (!ret)
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| 298 | break;
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| 299 | i++;
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| 300 | }
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| 301 |
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| 302 | return ret;
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| 303 | }
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| 304 |
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| 305 | static int xgpu_nv_request_full_gpu_access(struct amdgpu_device *adev,
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| 306 | bool init)
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| 307 | {
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| 308 | enum idh_request req;
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| 309 |
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| 310 | req = init ? IDH_REQ_GPU_INIT_ACCESS : IDH_REQ_GPU_FINI_ACCESS;
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| 311 | return xgpu_nv_send_access_requests(adev, req);
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| 312 | }
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| 313 |
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| 314 | static int xgpu_nv_release_full_gpu_access(struct amdgpu_device *adev,
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| 315 | bool init)
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| 316 | {
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| 317 | enum idh_request req;
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| 318 | int r = 0;
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| 319 |
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| 320 | req = init ? IDH_REL_GPU_INIT_ACCESS : IDH_REL_GPU_FINI_ACCESS;
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| 321 | r = xgpu_nv_send_access_requests(adev, req);
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| 322 |
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| 323 | return r;
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| 324 | }
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| 325 |
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| 326 | static int xgpu_nv_request_init_data(struct amdgpu_device *adev)
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| 327 | {
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| 328 | return xgpu_nv_send_access_requests_with_param(adev, IDH_REQ_GPU_INIT_DATA,
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| 329 | 0, GPU_CRIT_REGION_V2, 0);
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| 330 | }
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| 331 |
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| 332 | static int xgpu_nv_mailbox_ack_irq(struct amdgpu_device *adev,
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| 333 | struct amdgpu_irq_src *source,
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| 334 | struct amdgpu_iv_entry *entry)
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| 335 | {
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| 336 | dev_dbg(adev->dev, "get ack intr and do nothing.\n");
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| 337 | return 0;
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| 338 | }
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| 339 |
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| 340 | static int xgpu_nv_set_mailbox_ack_irq(struct amdgpu_device *adev,
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| 341 | struct amdgpu_irq_src *source,
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| 342 | unsigned type,
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| 343 | enum amdgpu_interrupt_state state)
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| 344 | {
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| 345 | u32 tmp = RREG32_NO_KIQ(mmMAILBOX_INT_CNTL);
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| 346 |
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| 347 | if (state == AMDGPU_IRQ_STATE_ENABLE)
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| 348 | tmp |= 2;
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| 349 | else
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| 350 | tmp &= ~2;
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| 351 |
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| 352 | WREG32_NO_KIQ(mmMAILBOX_INT_CNTL, tmp);
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| 353 |
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| 354 | return 0;
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| 355 | }
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| 356 |
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| 357 | static void xgpu_nv_ready_to_reset(struct amdgpu_device *adev)
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| 358 | {
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| 359 | xgpu_nv_mailbox_trans_msg(adev, IDH_READY_TO_RESET, 0, 0, 0);
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| 360 | }
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| 361 |
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| 362 | static int xgpu_nv_wait_reset(struct amdgpu_device *adev)
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| 363 | {
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| 364 | int timeout = NV_MAILBOX_POLL_FLR_TIMEDOUT;
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| 365 | do {
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| 366 | if (xgpu_nv_mailbox_peek_msg(adev) == IDH_FLR_NOTIFICATION_CMPL) {
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| 367 | dev_dbg(adev->dev, "Got NV IDH_FLR_NOTIFICATION_CMPL after %d ms\n", NV_MAILBOX_POLL_FLR_TIMEDOUT - timeout);
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| 368 | return 0;
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| 369 | }
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| 370 | msleep(10);
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| 371 | timeout -= 10;
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| 372 | } while (timeout > 1);
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| 373 |
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| 374 | dev_dbg(adev->dev, "waiting NV IDH_FLR_NOTIFICATION_CMPL timeout\n");
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| 375 | return -ETIME;
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| 376 | }
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| 377 |
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| 378 | static void xgpu_nv_mailbox_flr_work(struct work_struct *work)
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| 379 | {
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| 380 | struct amdgpu_virt *virt = container_of(work, struct amdgpu_virt, flr_work);
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| 381 | struct amdgpu_device *adev = container_of(virt, struct amdgpu_device, virt);
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| 382 | struct amdgpu_reset_context reset_context = { 0 };
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| 383 |
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| 384 | amdgpu_virt_fini_data_exchange(adev);
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| 385 |
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| 386 |
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| 387 | if (amdgpu_device_should_recover_gpu(adev)
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| 388 | && (!amdgpu_device_has_job_running(adev) ||
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| 389 | adev->sdma_timeout == MAX_SCHEDULE_TIMEOUT ||
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| 390 | adev->gfx_timeout == MAX_SCHEDULE_TIMEOUT ||
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| 391 | adev->compute_timeout == MAX_SCHEDULE_TIMEOUT ||
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| 392 | adev->video_timeout == MAX_SCHEDULE_TIMEOUT)) {
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| 393 |
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| 394 | reset_context.method = AMD_RESET_METHOD_NONE;
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| 395 | reset_context.reset_req_dev = adev;
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| 396 | clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
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| 397 | set_bit(AMDGPU_HOST_FLR, &reset_context.flags);
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| 398 |
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| 399 | amdgpu_device_gpu_recover(adev, NULL, &reset_context);
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| 400 | }
|
| 401 | }
|
| 402 |
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| 403 | static void xgpu_nv_mailbox_req_bad_pages_work(struct work_struct *work)
|
| 404 | {
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| 405 | struct amdgpu_virt *virt = container_of(work, struct amdgpu_virt, req_bad_pages_work);
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| 406 | struct amdgpu_device *adev = container_of(virt, struct amdgpu_device, virt);
|
| 407 |
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| 408 | if (down_read_trylock(&adev->reset_domain->sem)) {
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| 409 | amdgpu_virt_fini_data_exchange(adev);
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| 410 | amdgpu_virt_request_bad_pages(adev);
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| 411 | up_read(&adev->reset_domain->sem);
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| 412 | }
|
| 413 | }
|
| 414 |
|
| 415 | |
| 416 | * xgpu_nv_mailbox_handle_bad_pages_work - Reinitialize the data exchange region to get fresh bad page information
|
| 417 | * @work: pointer to the work_struct
|
| 418 | *
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| 419 | * This work handler is triggered when bad pages are ready, and it reinitializes
|
| 420 | * the data exchange region to retrieve updated bad page information from the host.
|
| 421 |
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| 422 | static void xgpu_nv_mailbox_handle_bad_pages_work(struct work_struct *work)
|
| 423 | {
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| 424 | struct amdgpu_virt *virt = container_of(work, struct amdgpu_virt, handle_bad_pages_work);
|
| 425 | struct amdgpu_device *adev = container_of(virt, struct amdgpu_device, virt);
|
| 426 |
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| 427 | if (down_read_trylock(&adev->reset_domain->sem)) {
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| 428 | amdgpu_virt_fini_data_exchange(adev);
|
| 429 | amdgpu_virt_init_data_exchange(adev);
|
| 430 | up_read(&adev->reset_domain->sem);
|
| 431 | }
|
| 432 | }
|
| 433 |
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| 434 | static int xgpu_nv_set_mailbox_rcv_irq(struct amdgpu_device *adev,
|
| 435 | struct amdgpu_irq_src *src,
|
| 436 | unsigned type,
|
| 437 | enum amdgpu_interrupt_state state)
|
| 438 | {
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| 439 | u32 tmp = RREG32_NO_KIQ(mmMAILBOX_INT_CNTL);
|
| 440 |
|
| 441 | if (state == AMDGPU_IRQ_STATE_ENABLE)
|
| 442 | tmp |= 1;
|
| 443 | else
|
| 444 | tmp &= ~1;
|
| 445 |
|
| 446 | WREG32_NO_KIQ(mmMAILBOX_INT_CNTL, tmp);
|
| 447 |
|
| 448 | return 0;
|
| 449 | }
|
| 450 |
|
| 451 | static int xgpu_nv_mailbox_rcv_irq(struct amdgpu_device *adev,
|
| 452 | struct amdgpu_irq_src *source,
|
| 453 | struct amdgpu_iv_entry *entry)
|
| 454 | {
|
| 455 | enum idh_event event = xgpu_nv_mailbox_peek_msg(adev);
|
| 456 | struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
|
| 457 |
|
| 458 | switch (event) {
|
| 459 | case IDH_RAS_BAD_PAGES_READY:
|
| 460 | xgpu_nv_mailbox_send_ack(adev);
|
| 461 | if (amdgpu_sriov_runtime(adev))
|
| 462 | schedule_work(&adev->virt.handle_bad_pages_work);
|
| 463 | break;
|
| 464 | case IDH_RAS_BAD_PAGES_NOTIFICATION:
|
| 465 | xgpu_nv_mailbox_send_ack(adev);
|
| 466 | if (amdgpu_sriov_runtime(adev))
|
| 467 | schedule_work(&adev->virt.req_bad_pages_work);
|
| 468 | break;
|
| 469 | case IDH_UNRECOV_ERR_NOTIFICATION:
|
| 470 | xgpu_nv_mailbox_send_ack(adev);
|
| 471 | if (!amdgpu_ras_is_rma(adev)) {
|
| 472 | ras->is_rma = true;
|
| 473 | dev_err(adev->dev, "VF is in an unrecoverable state. Runtime Services are halted.\n");
|
| 474 | }
|
| 475 |
|
| 476 | if (amdgpu_sriov_runtime(adev))
|
| 477 | WARN_ONCE(!amdgpu_reset_domain_schedule(adev->reset_domain,
|
| 478 | &adev->virt.flr_work),
|
| 479 | "Failed to queue work! at %s",
|
| 480 | __func__);
|
| 481 | break;
|
| 482 | case IDH_FLR_NOTIFICATION:
|
| 483 | if (amdgpu_sriov_runtime(adev))
|
| 484 | WARN_ONCE(!amdgpu_reset_domain_schedule(adev->reset_domain,
|
| 485 | &adev->virt.flr_work),
|
| 486 | "Failed to queue work! at %s",
|
| 487 | __func__);
|
| 488 | break;
|
| 489 | |
| 490 | * it byfar since that polling thread will handle it,
|
| 491 | * other msg like flr complete is not handled here.
|
| 492 |
|
| 493 | case IDH_CLR_MSG_BUF:
|
| 494 | case IDH_FLR_NOTIFICATION_CMPL:
|
| 495 | case IDH_READY_TO_ACCESS_GPU:
|
| 496 | default:
|
| 497 | break;
|
| 498 | }
|
| 499 |
|
| 500 | return 0;
|
| 501 | }
|
| 502 |
|
| 503 | static const struct amdgpu_irq_src_funcs xgpu_nv_mailbox_ack_irq_funcs = {
|
| 504 | .set = xgpu_nv_set_mailbox_ack_irq,
|
| 505 | .process = xgpu_nv_mailbox_ack_irq,
|
| 506 | };
|
| 507 |
|
| 508 | static const struct amdgpu_irq_src_funcs xgpu_nv_mailbox_rcv_irq_funcs = {
|
| 509 | .set = xgpu_nv_set_mailbox_rcv_irq,
|
| 510 | .process = xgpu_nv_mailbox_rcv_irq,
|
| 511 | };
|
| 512 |
|
| 513 | void xgpu_nv_mailbox_set_irq_funcs(struct amdgpu_device *adev)
|
| 514 | {
|
| 515 | adev->virt.ack_irq.num_types = 1;
|
| 516 | adev->virt.ack_irq.funcs = &xgpu_nv_mailbox_ack_irq_funcs;
|
| 517 | adev->virt.rcv_irq.num_types = 1;
|
| 518 | adev->virt.rcv_irq.funcs = &xgpu_nv_mailbox_rcv_irq_funcs;
|
| 519 | }
|
| 520 |
|
| 521 | int xgpu_nv_mailbox_add_irq_id(struct amdgpu_device *adev)
|
| 522 | {
|
| 523 | int r;
|
| 524 |
|
| 525 | r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF, 135, &adev->virt.rcv_irq);
|
| 526 | if (r)
|
| 527 | return r;
|
| 528 |
|
| 529 | r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF, 138, &adev->virt.ack_irq);
|
| 530 | if (r) {
|
| 531 | amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
|
| 532 | return r;
|
| 533 | }
|
| 534 |
|
| 535 | return 0;
|
| 536 | }
|
| 537 |
|
| 538 | int xgpu_nv_mailbox_get_irq(struct amdgpu_device *adev)
|
| 539 | {
|
| 540 | int r;
|
| 541 |
|
| 542 | r = amdgpu_irq_get(adev, &adev->virt.rcv_irq, 0);
|
| 543 | if (r)
|
| 544 | return r;
|
| 545 | r = amdgpu_irq_get(adev, &adev->virt.ack_irq, 0);
|
| 546 | if (r) {
|
| 547 | amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
|
| 548 | return r;
|
| 549 | }
|
| 550 |
|
| 551 | INIT_WORK(&adev->virt.flr_work, xgpu_nv_mailbox_flr_work);
|
| 552 | INIT_WORK(&adev->virt.req_bad_pages_work, xgpu_nv_mailbox_req_bad_pages_work);
|
| 553 | INIT_WORK(&adev->virt.handle_bad_pages_work, xgpu_nv_mailbox_handle_bad_pages_work);
|
| 554 |
|
| 555 | return 0;
|
| 556 | }
|
| 557 |
|
| 558 | void xgpu_nv_mailbox_put_irq(struct amdgpu_device *adev)
|
| 559 | {
|
| 560 | amdgpu_irq_put(adev, &adev->virt.ack_irq, 0);
|
| 561 | amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
|
| 562 | }
|
| 563 |
|
| 564 | static void xgpu_nv_ras_poison_handler(struct amdgpu_device *adev,
|
| 565 | enum amdgpu_ras_block block)
|
| 566 | {
|
| 567 | if (amdgpu_ip_version(adev, UMC_HWIP, 0) < IP_VERSION(12, 0, 0)) {
|
| 568 | xgpu_nv_send_access_requests(adev, IDH_RAS_POISON);
|
| 569 | } else {
|
| 570 | amdgpu_virt_fini_data_exchange(adev);
|
| 571 | xgpu_nv_send_access_requests_with_param(adev,
|
| 572 | IDH_RAS_POISON, block, 0, 0);
|
| 573 | }
|
| 574 | }
|
| 575 |
|
| 576 | static bool xgpu_nv_rcvd_ras_intr(struct amdgpu_device *adev)
|
| 577 | {
|
| 578 | enum idh_event msg = xgpu_nv_mailbox_peek_msg(adev);
|
| 579 |
|
| 580 | return (msg == IDH_RAS_ERROR_DETECTED || msg == 0xFFFFFFFF);
|
| 581 | }
|
| 582 |
|
| 583 | static int xgpu_nv_req_ras_err_count(struct amdgpu_device *adev)
|
| 584 | {
|
| 585 | return xgpu_nv_send_access_requests(adev, IDH_REQ_RAS_ERROR_COUNT);
|
| 586 | }
|
| 587 |
|
| 588 | static int xgpu_nv_req_ras_cper_dump(struct amdgpu_device *adev, u64 vf_rptr)
|
| 589 | {
|
| 590 | uint32_t vf_rptr_hi, vf_rptr_lo;
|
| 591 |
|
| 592 | vf_rptr_hi = (uint32_t)(vf_rptr >> 32);
|
| 593 | vf_rptr_lo = (uint32_t)(vf_rptr & 0xFFFFFFFF);
|
| 594 | return xgpu_nv_send_access_requests_with_param(
|
| 595 | adev, IDH_REQ_RAS_CPER_DUMP, vf_rptr_hi, vf_rptr_lo, 0);
|
| 596 | }
|
| 597 |
|
| 598 | static int xgpu_nv_req_ras_bad_pages(struct amdgpu_device *adev)
|
| 599 | {
|
| 600 | return xgpu_nv_send_access_requests(adev, IDH_REQ_RAS_BAD_PAGES);
|
| 601 | }
|
| 602 |
|
| 603 | static int xgpu_nv_check_vf_critical_region(struct amdgpu_device *adev, u64 addr)
|
| 604 | {
|
| 605 | uint32_t addr_hi, addr_lo;
|
| 606 |
|
| 607 | addr_hi = (uint32_t)(addr >> 32);
|
| 608 | addr_lo = (uint32_t)(addr & 0xFFFFFFFF);
|
| 609 | return xgpu_nv_send_access_requests_with_param(
|
| 610 | adev, IDH_REQ_RAS_CHK_CRITI, addr_hi, addr_lo, 0);
|
| 611 | }
|
| 612 |
|
| 613 | static int xgpu_nv_req_remote_ras_cmd(struct amdgpu_device *adev,
|
| 614 | u32 param1, u32 param2, u32 param3)
|
| 615 | {
|
| 616 | return xgpu_nv_send_access_requests_with_param(
|
| 617 | adev, IDH_REQ_RAS_REMOTE_CMD, param1, param2, param3);
|
| 618 | }
|
| 619 |
|
| 620 | static int xgpu_nv_req_ptl_update(struct amdgpu_device *adev,
|
| 621 | u32 req_code, u32 ptl_state, u32 fmt1, u32 fmt2)
|
| 622 | {
|
| 623 | return xgpu_nv_send_access_requests_with_param(adev, IDH_REQ_PTL_UPDATE,
|
| 624 | req_code, ptl_state, AMD_SRIOV_PTL_PACK_FORMATS(fmt1, fmt2));
|
| 625 | }
|
| 626 |
|
| 627 | const struct amdgpu_virt_ops xgpu_nv_virt_ops = {
|
| 628 | .req_full_gpu = xgpu_nv_request_full_gpu_access,
|
| 629 | .rel_full_gpu = xgpu_nv_release_full_gpu_access,
|
| 630 | .req_init_data = xgpu_nv_request_init_data,
|
| 631 | .reset_gpu = xgpu_nv_request_reset,
|
| 632 | .ready_to_reset = xgpu_nv_ready_to_reset,
|
| 633 | .wait_reset = xgpu_nv_wait_reset,
|
| 634 | .trans_msg = xgpu_nv_mailbox_trans_msg,
|
| 635 | .ras_poison_handler = xgpu_nv_ras_poison_handler,
|
| 636 | .rcvd_ras_intr = xgpu_nv_rcvd_ras_intr,
|
| 637 | .req_ras_err_count = xgpu_nv_req_ras_err_count,
|
| 638 | .req_ras_cper_dump = xgpu_nv_req_ras_cper_dump,
|
| 639 | .req_bad_pages = xgpu_nv_req_ras_bad_pages,
|
| 640 | .req_ras_chk_criti = xgpu_nv_check_vf_critical_region,
|
| 641 | .req_remote_ras_cmd = xgpu_nv_req_remote_ras_cmd,
|
| 642 | .req_ptl_update = xgpu_nv_req_ptl_update,
|
| 643 | };
|