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[SCSI] lpfc 8.3.43: Fixed invalid Total_Data_Placed value received for els and ct command responses

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Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart 2013-10-10 12:23:10 -04:00 committed by James Bottomley
parent 0ba4b2199f
commit af22741c77
2 changed files with 40 additions and 4 deletions
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6
drivers/scsi/lpfc/lpfc_hw4.h
View File

@ -3439,7 +3439,8 @@ struct els_request64_wqe {
#define els_req64_hopcnt_SHIFT 24
#define els_req64_hopcnt_MASK 0x000000ff
#define els_req64_hopcnt_WORD word13
uint32_t reserved[2];
uint32_t word14;
uint32_t max_response_payload_len;
};
struct xmit_els_rsp64_wqe {
@ -3554,7 +3555,8 @@ struct gen_req64_wqe {
uint32_t relative_offset;
struct wqe_rctl_dfctl wge_ctl; /* word 5 */
struct wqe_common wqe_com; /* words 6-11 */
uint32_t rsvd_12_15[4];
uint32_t rsvd_12_14[3];
uint32_t max_response_payload_len;
};
struct create_xri_wqe {

38
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -8188,6 +8188,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
bf_set(wqe_qosd, &wqe->els_req.wqe_com, 1);
bf_set(wqe_lenloc, &wqe->els_req.wqe_com, LPFC_WQE_LENLOC_NONE);
bf_set(wqe_ebde_cnt, &wqe->els_req.wqe_com, 0);
wqe->els_req.max_response_payload_len = total_len - xmit_len;
break;
case CMD_XMIT_SEQUENCE64_CX:
bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com,
@ -8324,6 +8325,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
bf_set(wqe_qosd, &wqe->gen_req.wqe_com, 1);
bf_set(wqe_lenloc, &wqe->gen_req.wqe_com, LPFC_WQE_LENLOC_NONE);
bf_set(wqe_ebde_cnt, &wqe->gen_req.wqe_com, 0);
wqe->gen_req.max_response_payload_len = total_len - xmit_len;
command_type = OTHER_COMMAND;
break;
case CMD_XMIT_ELS_RSP64_CX:
@ -11195,8 +11197,11 @@ lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba,
struct lpfc_iocbq *pIocbOut,
struct lpfc_wcqe_complete *wcqe)
{
int numBdes, i;
unsigned long iflags;
uint32_t status;
uint32_t status, max_response;
struct lpfc_dmabuf *dmabuf;
struct ulp_bde64 *bpl, bde;
size_t offset = offsetof(struct lpfc_iocbq, iocb);
memcpy((char *)pIocbIn + offset, (char *)pIocbOut + offset,
@ -11213,7 +11218,36 @@ lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba,
pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter;
else {
pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter;
pIocbIn->iocb.un.genreq64.bdl.bdeSize = wcqe->total_data_placed;
switch (pIocbOut->iocb.ulpCommand) {
case CMD_ELS_REQUEST64_CR:
dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3;
bpl = (struct ulp_bde64 *)dmabuf->virt;
bde.tus.w = le32_to_cpu(bpl[1].tus.w);
max_response = bde.tus.f.bdeSize;
break;
case CMD_GEN_REQUEST64_CR:
max_response = 0;
if (!pIocbOut->context3)
break;
numBdes = pIocbOut->iocb.un.genreq64.bdl.bdeSize/
sizeof(struct ulp_bde64);
dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3;
bpl = (struct ulp_bde64 *)dmabuf->virt;
for (i = 0; i < numBdes; i++) {
bde.tus.w = le32_to_cpu(bpl[i].tus.w);
if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64)
max_response += bde.tus.f.bdeSize;
}
break;
default:
max_response = wcqe->total_data_placed;
break;
}
if (max_response < wcqe->total_data_placed)
pIocbIn->iocb.un.genreq64.bdl.bdeSize = max_response;
else
pIocbIn->iocb.un.genreq64.bdl.bdeSize =
wcqe->total_data_placed;
}
/* Convert BG errors for completion status */