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/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "nvme_internal.h"
struct nvme_quirk {
struct spdk_pci_id id;
uint64_t flags;
};
static const struct nvme_quirk nvme_quirks[] = {
{ {SPDK_PCI_VID_INTEL, 0x0953, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID},
NVME_INTEL_QUIRK_READ_LATENCY |
NVME_INTEL_QUIRK_WRITE_LATENCY |
NVME_INTEL_QUIRK_STRIPING |
NVME_QUIRK_READ_ZERO_AFTER_DEALLOCATE
},
{ {SPDK_PCI_VID_INTEL, 0x0A53, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID},
NVME_INTEL_QUIRK_READ_LATENCY |
NVME_INTEL_QUIRK_WRITE_LATENCY |
NVME_INTEL_QUIRK_STRIPING |
NVME_QUIRK_READ_ZERO_AFTER_DEALLOCATE
},
{ {SPDK_PCI_VID_INTEL, 0x0A54, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID},
NVME_INTEL_QUIRK_READ_LATENCY |
NVME_INTEL_QUIRK_WRITE_LATENCY |
NVME_INTEL_QUIRK_STRIPING |
NVME_QUIRK_READ_ZERO_AFTER_DEALLOCATE
},
{ {SPDK_PCI_VID_INTEL, 0x0A55, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID},
NVME_INTEL_QUIRK_READ_LATENCY |
NVME_INTEL_QUIRK_WRITE_LATENCY |
NVME_INTEL_QUIRK_STRIPING |
NVME_QUIRK_READ_ZERO_AFTER_DEALLOCATE
},
{ {SPDK_PCI_VID_MEMBLAZE, 0x0540, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID},
NVME_QUIRK_DELAY_BEFORE_CHK_RDY
},
{ {SPDK_PCI_VID_SAMSUNG, 0xa821, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID},
NVME_QUIRK_DELAY_BEFORE_CHK_RDY
},
{ {SPDK_PCI_VID_SAMSUNG, 0xa822, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID},
NVME_QUIRK_DELAY_BEFORE_CHK_RDY
},
{ {SPDK_PCI_VID_VIRTUALBOX, 0x4e56, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID},
NVME_QUIRK_DELAY_AFTER_QUEUE_ALLOC
},
{ {SPDK_PCI_VID_INTEL, 0x5845, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID},
NVME_QUIRK_IDENTIFY_CNS |
NVME_INTEL_QUIRK_NO_LOG_PAGES
},
{ {SPDK_PCI_VID_CNEXLABS, 0x1f1f, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID},
NVME_QUIRK_IDENTIFY_CNS |
NVME_QUIRK_OCSSD
},
{ {0x0000, 0x0000, 0x0000, 0x0000}, 0}
};
/* Compare each field. SPDK_PCI_ANY_ID in s1 matches everything */
static bool
pci_id_match(const struct spdk_pci_id *s1, const struct spdk_pci_id *s2)
{
if ((s1->vendor_id == SPDK_PCI_ANY_ID || s1->vendor_id == s2->vendor_id) &&
(s1->device_id == SPDK_PCI_ANY_ID || s1->device_id == s2->device_id) &&
(s1->subvendor_id == SPDK_PCI_ANY_ID || s1->subvendor_id == s2->subvendor_id) &&
(s1->subdevice_id == SPDK_PCI_ANY_ID || s1->subdevice_id == s2->subdevice_id)) {
return true;
}
return false;
}
uint64_t
nvme_get_quirks(const struct spdk_pci_id *id)
{
const struct nvme_quirk *quirk = nvme_quirks;
SPDK_DEBUGLOG(SPDK_LOG_NVME, "Searching for %04x:%04x [%04x:%04x]...\n",
id->vendor_id, id->device_id,
id->subvendor_id, id->subdevice_id);
while (quirk->id.vendor_id) {
if (pci_id_match(&quirk->id, id)) {
SPDK_DEBUGLOG(SPDK_LOG_NVME, "Matched quirk %04x:%04x [%04x:%04x]:\n",
quirk->id.vendor_id, quirk->id.device_id,
quirk->id.subvendor_id, quirk->id.subdevice_id);
#define PRINT_QUIRK(quirk_flag) \
do { \
if (quirk->flags & (quirk_flag)) { \
SPDK_DEBUGLOG(SPDK_LOG_NVME, "Quirk enabled: %s\n", #quirk_flag); \
} \
} while (0)
PRINT_QUIRK(NVME_INTEL_QUIRK_READ_LATENCY);
PRINT_QUIRK(NVME_INTEL_QUIRK_WRITE_LATENCY);
PRINT_QUIRK(NVME_QUIRK_DELAY_BEFORE_CHK_RDY);
PRINT_QUIRK(NVME_INTEL_QUIRK_STRIPING);
PRINT_QUIRK(NVME_QUIRK_DELAY_AFTER_QUEUE_ALLOC);
PRINT_QUIRK(NVME_QUIRK_READ_ZERO_AFTER_DEALLOCATE);
PRINT_QUIRK(NVME_QUIRK_IDENTIFY_CNS);
PRINT_QUIRK(NVME_QUIRK_OCSSD);
return quirk->flags;
}
quirk++;
}
SPDK_DEBUGLOG(SPDK_LOG_NVME, "No quirks found.\n");
return 0;
}
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