Return domain, bus, slot, and function for the transport settings in
PATH_INQ requests for nvme. Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D13546
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=327034
@ -633,6 +633,11 @@ struct ccb_pathinq_settings_sas {
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struct ccb_pathinq_settings_nvme {
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uint32_t nsid; /* Namespace ID for this path */
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uint32_t domain;
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uint8_t bus;
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uint8_t slot;
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uint8_t function;
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uint8_t extra;
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};
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#define PATHINQ_SETTINGS_SIZE 128
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@ -182,7 +182,8 @@ nvme_sim_action(struct cam_sim *sim, union ccb *ccb)
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break;
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case XPT_PATH_INQ: /* Path routing inquiry */
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{
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struct ccb_pathinq *cpi = &ccb->cpi;
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struct ccb_pathinq *cpi = &ccb->cpi;
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device_t dev = ctrlr->dev;
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/*
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* NVMe may have multiple LUNs on the same path. Current generation
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@ -210,6 +211,11 @@ nvme_sim_action(struct cam_sim *sim, union ccb *ccb)
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cpi->protocol = PROTO_NVME;
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cpi->protocol_version = nvme_mmio_read_4(ctrlr, vs);
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cpi->xport_specific.nvme.nsid = ns->id;
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cpi->xport_specific.nvme.domain = pci_get_domain(dev);
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cpi->xport_specific.nvme.bus = pci_get_bus(dev);
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cpi->xport_specific.nvme.slot = pci_get_slot(dev);
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cpi->xport_specific.nvme.function = pci_get_function(dev);
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cpi->xport_specific.nvme.extra = 0;
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cpi->ccb_h.status = CAM_REQ_CMP;
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break;
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}
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