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path: root/drivers/infiniband/ulp
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Diffstat (limited to 'drivers/infiniband/ulp')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c1
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.c1
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.h2
-rw-r--r--drivers/infiniband/ulp/iser/iser_initiator.c18
-rw-r--r--drivers/infiniband/ulp/iser/iser_memory.c10
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c1
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.c35
7 files changed, 57 insertions, 11 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 17c5bc7e8957..45504febbc2a 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1751,6 +1751,7 @@ static int ipoib_get_vf_config(struct net_device *dev, int vf,
return err;
ivf->vf = vf;
+ memcpy(ivf->mac, dev->dev_addr, dev->addr_len);
return 0;
}
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index e46e2b095c18..fdf5179a81c1 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -649,6 +649,7 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep,
if (ib_conn->pi_support) {
u32 sig_caps = ib_conn->device->ib_device->attrs.sig_prot_cap;
+ shost->sg_prot_tablesize = shost->sg_tablesize;
scsi_host_set_prot(shost, iser_dif_prot_caps(sig_caps));
scsi_host_set_guard(shost, SHOST_DIX_GUARD_IP |
SHOST_DIX_GUARD_CRC);
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index cb48e22afff7..a3614f7f0007 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -197,7 +197,7 @@ struct iser_data_buf {
struct scatterlist *sg;
int size;
unsigned long data_len;
- unsigned int dma_nents;
+ int dma_nents;
};
/* fwd declarations */
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index 81ae2e30dd12..27a7e4406f34 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -590,13 +590,19 @@ void iser_login_rsp(struct ib_cq *cq, struct ib_wc *wc)
ib_conn->post_recv_buf_count--;
}
-static inline void
+static inline int
iser_inv_desc(struct iser_fr_desc *desc, u32 rkey)
{
- if (likely(rkey == desc->rsc.mr->rkey))
+ if (likely(rkey == desc->rsc.mr->rkey)) {
desc->rsc.mr_valid = 0;
- else if (likely(rkey == desc->pi_ctx->sig_mr->rkey))
+ } else if (likely(desc->pi_ctx && rkey == desc->pi_ctx->sig_mr->rkey)) {
desc->pi_ctx->sig_mr_valid = 0;
+ } else {
+ iser_err("Bogus remote invalidation for rkey %#x\n", rkey);
+ return -EINVAL;
+ }
+
+ return 0;
}
static int
@@ -624,12 +630,14 @@ iser_check_remote_inv(struct iser_conn *iser_conn,
if (iser_task->dir[ISER_DIR_IN]) {
desc = iser_task->rdma_reg[ISER_DIR_IN].mem_h;
- iser_inv_desc(desc, rkey);
+ if (unlikely(iser_inv_desc(desc, rkey)))
+ return -EINVAL;
}
if (iser_task->dir[ISER_DIR_OUT]) {
desc = iser_task->rdma_reg[ISER_DIR_OUT].mem_h;
- iser_inv_desc(desc, rkey);
+ if (unlikely(iser_inv_desc(desc, rkey)))
+ return -EINVAL;
}
} else {
iser_err("failed to get task for itt=%d\n", hdr->itt);
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index 9c3e9ab53a41..759c2fe033e7 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c
@@ -240,8 +240,8 @@ int iser_fast_reg_fmr(struct iscsi_iser_task *iser_task,
page_vec->npages = 0;
page_vec->fake_mr.page_size = SIZE_4K;
plen = ib_sg_to_pages(&page_vec->fake_mr, mem->sg,
- mem->size, NULL, iser_set_page);
- if (unlikely(plen < mem->size)) {
+ mem->dma_nents, NULL, iser_set_page);
+ if (unlikely(plen < mem->dma_nents)) {
iser_err("page vec too short to hold this SG\n");
iser_data_buf_dump(mem, device->ib_device);
iser_dump_page_vec(page_vec);
@@ -450,10 +450,10 @@ static int iser_fast_reg_mr(struct iscsi_iser_task *iser_task,
ib_update_fast_reg_key(mr, ib_inc_rkey(mr->rkey));
- n = ib_map_mr_sg(mr, mem->sg, mem->size, NULL, SIZE_4K);
- if (unlikely(n != mem->size)) {
+ n = ib_map_mr_sg(mr, mem->sg, mem->dma_nents, NULL, SIZE_4K);
+ if (unlikely(n != mem->dma_nents)) {
iser_err("failed to map sg (%d/%d)\n",
- n, mem->size);
+ n, mem->dma_nents);
return n < 0 ? n : -EINVAL;
}
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 74de1ae48d4f..af68be201c29 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -2180,6 +2180,7 @@ static int srp_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd)
if (srp_post_send(ch, iu, len)) {
shost_printk(KERN_ERR, target->scsi_host, PFX "Send failed\n");
+ scmnd->result = DID_ERROR << 16;
goto err_unmap;
}
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 2a44a2c3e859..8acf337c3691 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -1234,9 +1234,11 @@ static int srpt_build_cmd_rsp(struct srpt_rdma_ch *ch,
struct srpt_send_ioctx *ioctx, u64 tag,
int status)
{
+ struct se_cmd *cmd = &ioctx->cmd;
struct srp_rsp *srp_rsp;
const u8 *sense_data;
int sense_data_len, max_sense_len;
+ u32 resid = cmd->residual_count;
/*
* The lowest bit of all SAM-3 status codes is zero (see also
@@ -1258,6 +1260,28 @@ static int srpt_build_cmd_rsp(struct srpt_rdma_ch *ch,
srp_rsp->tag = tag;
srp_rsp->status = status;
+ if (cmd->se_cmd_flags & SCF_UNDERFLOW_BIT) {
+ if (cmd->data_direction == DMA_TO_DEVICE) {
+ /* residual data from an underflow write */
+ srp_rsp->flags = SRP_RSP_FLAG_DOUNDER;
+ srp_rsp->data_out_res_cnt = cpu_to_be32(resid);
+ } else if (cmd->data_direction == DMA_FROM_DEVICE) {
+ /* residual data from an underflow read */
+ srp_rsp->flags = SRP_RSP_FLAG_DIUNDER;
+ srp_rsp->data_in_res_cnt = cpu_to_be32(resid);
+ }
+ } else if (cmd->se_cmd_flags & SCF_OVERFLOW_BIT) {
+ if (cmd->data_direction == DMA_TO_DEVICE) {
+ /* residual data from an overflow write */
+ srp_rsp->flags = SRP_RSP_FLAG_DOOVER;
+ srp_rsp->data_out_res_cnt = cpu_to_be32(resid);
+ } else if (cmd->data_direction == DMA_FROM_DEVICE) {
+ /* residual data from an overflow read */
+ srp_rsp->flags = SRP_RSP_FLAG_DIOVER;
+ srp_rsp->data_in_res_cnt = cpu_to_be32(resid);
+ }
+ }
+
if (sense_data_len) {
BUILD_BUG_ON(MIN_MAX_RSP_SIZE <= sizeof(*srp_rsp));
max_sense_len = ch->max_ti_iu_len - sizeof(*srp_rsp);
@@ -2368,8 +2392,19 @@ static void srpt_queue_tm_rsp(struct se_cmd *cmd)
srpt_queue_response(cmd);
}
+/*
+ * This function is called for aborted commands if no response is sent to the
+ * initiator. Make sure that the credits freed by aborting a command are
+ * returned to the initiator the next time a response is sent by incrementing
+ * ch->req_lim_delta.
+ */
static void srpt_aborted_task(struct se_cmd *cmd)
{
+ struct srpt_send_ioctx *ioctx = container_of(cmd,
+ struct srpt_send_ioctx, cmd);
+ struct srpt_rdma_ch *ch = ioctx->ch;
+
+ atomic_inc(&ch->req_lim_delta);
}
static int srpt_queue_status(struct se_cmd *cmd)