Fix the ioctl interface to properly support fetching the header of regular

and extended config pages.

Obtained from:	Netflix, Inc.
MFC after:	3 days
This commit is contained in:
Scott Long 2015-01-25 22:29:23 +00:00
parent 72584f4cba
commit fcafcbcb6f
2 changed files with 14 additions and 4 deletions

View File

@ -2621,9 +2621,12 @@ mps_read_config_page(struct mps_softc *sc, struct mps_config_params *params)
cm->cm_data = params->buffer;
cm->cm_length = params->length;
cm->cm_sge = &req->PageBufferSGE;
cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN;
if (cm->cm_data != NULL) {
cm->cm_sge = &req->PageBufferSGE;
cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN;
} else
cm->cm_sge = NULL;
cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
cm->cm_complete_data = params;
@ -2680,9 +2683,12 @@ mps_config_complete(struct mps_softc *sc, struct mps_command *cm)
goto done;
}
params->status = reply->IOCStatus;
if (params->hdr.Ext.ExtPageType != 0) {
if (params->hdr.Struct.PageType == MPI2_CONFIG_PAGETYPE_EXTENDED) {
params->hdr.Ext.ExtPageType = reply->ExtPageType;
params->hdr.Ext.ExtPageLength = reply->ExtPageLength;
params->hdr.Ext.PageType = reply->Header.PageType;
params->hdr.Ext.PageNumber = reply->Header.PageNumber;
params->hdr.Ext.PageVersion = reply->Header.PageVersion;
} else {
params->hdr.Struct.PageType = reply->Header.PageType;
params->hdr.Struct.PageNumber = reply->Header.PageNumber;

View File

@ -309,6 +309,10 @@ mps_user_read_extcfg_header(struct mps_softc *sc,
hdr->PageNumber = ext_page_req->header.PageNumber;
hdr->ExtPageType = ext_page_req->header.ExtPageType;
params.page_address = le32toh(ext_page_req->page_address);
params.buffer = NULL;
params.length = 0;
params.callback = NULL;
if ((error = mps_read_config_page(sc, &params)) != 0) {
/*
* Leave the request. Without resetting the chip, it's