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lib/nvme: check if nvme device supports fused operations

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Change-Id: I91986f693bd322620a9e7abf598bcc38613bdbd0
Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/475859
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Tomasz Kulasek 2019-11-26 07:30:15 -05:00 committed by Tomasz Zawadzki
parent ef8966fe93
commit 535dd2ec9b
3 changed files with 10 additions and 1 deletions
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1
include/spdk/nvme.h
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@ -366,6 +366,7 @@ enum spdk_nvme_ctrlr_flags {
SPDK_NVME_CTRLR_SGL_SUPPORTED = 0x1, /**< The SGL is supported */
SPDK_NVME_CTRLR_SECURITY_SEND_RECV_SUPPORTED = 0x2, /**< security send/receive is supported */
SPDK_NVME_CTRLR_WRR_SUPPORTED = 0x4, /**< Weighted Round Robin is supported */
SPDK_NVME_CTRLR_COMPARE_AND_WRITE_SUPPORTED = 0x8, /**< Compare and write fused operations supported */
};
/**

5
include/spdk/nvme_spec.h
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@ -1752,7 +1752,10 @@ struct __attribute__((packed)) __attribute__((aligned)) spdk_nvme_ctrlr_data {
} oncs;
/** fused operation support */
uint16_t fuses;
struct {
uint16_t compare_and_write : 1;
uint16_t reserved : 15;
} fuses;
/** format nvm attributes */
struct {

5
lib/nvme/nvme_ctrlr.c
View File

@ -1235,6 +1235,11 @@ nvme_ctrlr_identify_done(void *arg, const struct spdk_nvme_cpl *cpl)
ctrlr->flags |= SPDK_NVME_CTRLR_SECURITY_SEND_RECV_SUPPORTED;
}
SPDK_DEBUGLOG(SPDK_LOG_NVME, "fuses compare and write: %d\n", ctrlr->cdata.fuses.compare_and_write);
if (ctrlr->cdata.fuses.compare_and_write) {
ctrlr->flags |= SPDK_NVME_CTRLR_COMPARE_AND_WRITE_SUPPORTED;
}
nvme_ctrlr_set_state(ctrlr, NVME_CTRLR_STATE_SET_NUM_QUEUES,
ctrlr->opts.admin_timeout_ms);
}