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nvme: add helper to compare options to controller

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Adds a helper function that compares the host and subsytem
specified in a connect options list vs a controller.

Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
James Smart 2017-10-20 16:17:07 -07:00 committed by Christoph Hellwig
parent 3b33876207
commit 991231dc48
1 changed files with 12 additions and 0 deletions
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12
drivers/nvme/host/fabrics.h
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@ -133,6 +133,18 @@ struct nvmf_transport_ops {
struct nvmf_ctrl_options *opts);
};
static inline bool
nvmf_ctlr_matches_baseopts(struct nvme_ctrl *ctrl,
struct nvmf_ctrl_options *opts)
{
if (strcmp(opts->subsysnqn, ctrl->opts->subsysnqn) ||
strcmp(opts->host->nqn, ctrl->opts->host->nqn) ||
memcmp(&opts->host->id, &ctrl->opts->host->id, sizeof(uuid_t)))
return false;
return true;
}
int nvmf_reg_read32(struct nvme_ctrl *ctrl, u32 off, u32 *val);
int nvmf_reg_read64(struct nvme_ctrl *ctrl, u32 off, u64 *val);
int nvmf_reg_write32(struct nvme_ctrl *ctrl, u32 off, u32 val);