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nvmf: allow to override sgls

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Useful for transport specific layer to inform that SGLs are not
supported or to adjust settings.

Signed-off-by: Jacek Kalwas <jacek.kalwas@intel.com>
Change-Id: Ia849f5af206538408664fd20ea4e7dcb9da6f6f9
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/2756
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI
Community-CI: Mellanox Build Bot
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
This commit is contained in:
Jacek Kalwas 2020-06-03 15:46:52 +02:00 committed by Tomasz Zawadzki
parent 182ca74940
commit 0ba47879b5
2 changed files with 5 additions and 3 deletions
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1
include/spdk/nvmf_transport.h
View File

@ -174,6 +174,7 @@ struct spdk_nvmf_listener {
*/
struct spdk_nvmf_ctrlr_data {
uint16_t kas;
struct spdk_nvme_cdata_sgls sgls;
struct spdk_nvme_cdata_nvmf_specific nvmf_specific;
};

7
lib/nvmf/ctrlr.c
View File

@ -1821,6 +1821,9 @@ void
spdk_nvmf_ctrlr_data_init(struct spdk_nvmf_transport_opts *opts, struct spdk_nvmf_ctrlr_data *cdata)
{
cdata->kas = KAS_DEFAULT_VALUE;
cdata->sgls.supported = 1;
cdata->sgls.keyed_sgl = 1;
cdata->sgls.sgl_offset = 1;
cdata->nvmf_specific.ioccsz = sizeof(struct spdk_nvme_cmd) / 16;
cdata->nvmf_specific.ioccsz += opts->in_capsule_data_size / 16;
cdata->nvmf_specific.iorcsz = sizeof(struct spdk_nvme_cpl) / 16;
@ -1847,9 +1850,7 @@ spdk_nvmf_ctrlr_identify_ctrlr(struct spdk_nvmf_ctrlr *ctrlr, struct spdk_nvme_c
cdata->lpa.edlp = 1;
cdata->elpe = 127;
cdata->maxcmd = transport->opts.max_queue_depth;
cdata->sgls.supported = 1;
cdata->sgls.keyed_sgl = 1;
cdata->sgls.sgl_offset = 1;
cdata->sgls = transport->cdata.sgls;
cdata->fuses.compare_and_write = 1;
cdata->acwu = 1;
spdk_strcpy_pad(cdata->subnqn, subsystem->subnqn, sizeof(cdata->subnqn), '\0');