b5b9410da3
A 100us is so small that applying the quirk to the specific SSDs that require the delay is more trouble than it is worth. So remove the quirk and always wait 100us before re-enabling the NVMe SSD during initialization. Signed-off-by: Jim Harris <james.r.harris@intel.com> Change-Id: Id6a8cc6e35d103fffdf135580301fc3e5b27e722
85 lines
3.0 KiB
C
85 lines
3.0 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "nvme_internal.h"
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struct nvme_quirk {
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struct spdk_pci_id id;
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uint64_t flags;
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};
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static const struct nvme_quirk nvme_quirks[] = {
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{ {SPDK_PCI_VID_INTEL, 0x0953, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID},
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NVME_INTEL_QUIRK_READ_LATENCY |
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NVME_INTEL_QUIRK_WRITE_LATENCY |
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NVME_INTEL_QUIRK_STRIPING
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},
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{ {SPDK_PCI_VID_INTEL, 0x0A53, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID},
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NVME_INTEL_QUIRK_STRIPING
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},
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{ {SPDK_PCI_VID_INTEL, 0x0A54, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID},
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NVME_INTEL_QUIRK_STRIPING
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},
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{ {SPDK_PCI_VID_MEMBLAZE, 0x0540, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID},
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NVME_QUIRK_DELAY_BEFORE_CHK_RDY
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},
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{ {0x0000, 0x0000, 0x0000, 0x0000}, 0}
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};
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/* Compare each field. SPDK_PCI_ANY_ID in s1 matches everything */
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static bool
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pci_id_match(const struct spdk_pci_id *s1, const struct spdk_pci_id *s2)
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{
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if ((s1->vendor_id == SPDK_PCI_ANY_ID || s1->vendor_id == s2->vendor_id) &&
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(s1->device_id == SPDK_PCI_ANY_ID || s1->device_id == s2->device_id) &&
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(s1->subvendor_id == SPDK_PCI_ANY_ID || s1->subvendor_id == s2->subvendor_id) &&
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(s1->subdevice_id == SPDK_PCI_ANY_ID || s1->subdevice_id == s2->subdevice_id)) {
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return true;
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}
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return false;
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}
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uint64_t
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nvme_get_quirks(const struct spdk_pci_id *id)
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{
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const struct nvme_quirk *quirk = nvme_quirks;
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while (quirk->id.vendor_id) {
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if (pci_id_match(&quirk->id, id)) {
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return quirk->flags;
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}
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quirk++;
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}
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return false;
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}
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