From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/drivers/infiniband/ulp/iser/iser_initiator.c | 36 +++++++++++++++++++++---------------
1 files changed, 21 insertions(+), 15 deletions(-)
diff --git a/kernel/drivers/infiniband/ulp/iser/iser_initiator.c b/kernel/drivers/infiniband/ulp/iser/iser_initiator.c
index 96af06c..27a6f75 100644
--- a/kernel/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/kernel/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -72,7 +72,7 @@
return err;
}
- err = iser_reg_rdma_mem(iser_task, ISER_DIR_IN, false);
+ err = iser_reg_mem_fastreg(iser_task, ISER_DIR_IN, false);
if (err) {
iser_err("Failed to set up Data-IN RDMA\n");
return err;
@@ -126,8 +126,8 @@
return err;
}
- err = iser_reg_rdma_mem(iser_task, ISER_DIR_OUT,
- buf_out->data_len == imm_sz);
+ err = iser_reg_mem_fastreg(iser_task, ISER_DIR_OUT,
+ buf_out->data_len == imm_sz);
if (err != 0) {
iser_err("Failed to register write cmd RDMA mem\n");
return err;
@@ -250,8 +250,8 @@
iser_conn->qp_max_recv_dtos_mask = session->cmds_max - 1; /* cmds_max is 2^N */
iser_conn->min_posted_rx = iser_conn->qp_max_recv_dtos >> 2;
- if (device->reg_ops->alloc_reg_res(ib_conn, session->scsi_cmds_max,
- iser_conn->pages_per_mr))
+ if (iser_alloc_fastreg_pool(ib_conn, session->scsi_cmds_max,
+ iser_conn->pages_per_mr))
goto create_rdma_reg_res_failed;
if (iser_alloc_login_buf(iser_conn))
@@ -293,7 +293,7 @@
rx_desc_alloc_fail:
iser_free_login_buf(iser_conn);
alloc_login_buf_fail:
- device->reg_ops->free_reg_res(ib_conn);
+ iser_free_fastreg_pool(ib_conn);
create_rdma_reg_res_failed:
iser_err("failed allocating rx descriptors / data buffers\n");
return -ENOMEM;
@@ -306,8 +306,7 @@
struct ib_conn *ib_conn = &iser_conn->ib_conn;
struct iser_device *device = ib_conn->device;
- if (device->reg_ops->free_reg_res)
- device->reg_ops->free_reg_res(ib_conn);
+ iser_free_fastreg_pool(ib_conn);
rx_desc = iser_conn->rx_descs;
for (i = 0; i < iser_conn->qp_max_recv_dtos; i++, rx_desc++)
@@ -358,6 +357,8 @@
/**
* iser_send_command - send command PDU
+ * @conn: link to matching iscsi connection
+ * @task: SCSI command task
*/
int iser_send_command(struct iscsi_conn *conn,
struct iscsi_task *task)
@@ -429,6 +430,9 @@
/**
* iser_send_data_out - send data out PDU
+ * @conn: link to matching iscsi connection
+ * @task: SCSI command task
+ * @hdr: pointer to the LLD's iSCSI message header
*/
int iser_send_data_out(struct iscsi_conn *conn,
struct iscsi_task *task,
@@ -592,14 +596,13 @@
static inline int
iser_inv_desc(struct iser_fr_desc *desc, u32 rkey)
{
- if (likely(rkey == desc->rsc.mr->rkey)) {
- desc->rsc.mr_valid = 0;
- } else if (likely(desc->pi_ctx && rkey == desc->pi_ctx->sig_mr->rkey)) {
- desc->pi_ctx->sig_mr_valid = 0;
- } else {
+ if (unlikely((!desc->sig_protected && rkey != desc->rsc.mr->rkey) ||
+ (desc->sig_protected && rkey != desc->rsc.sig_mr->rkey))) {
iser_err("Bogus remote invalidation for rkey %#x\n", rkey);
return -EINVAL;
}
+
+ desc->rsc.mr_valid = 0;
return 0;
}
@@ -750,6 +753,9 @@
iser_task->prot[ISER_DIR_IN].data_len = 0;
iser_task->prot[ISER_DIR_OUT].data_len = 0;
+ iser_task->prot[ISER_DIR_IN].dma_nents = 0;
+ iser_task->prot[ISER_DIR_OUT].dma_nents = 0;
+
memset(&iser_task->rdma_reg[ISER_DIR_IN], 0,
sizeof(struct iser_mem_reg));
memset(&iser_task->rdma_reg[ISER_DIR_OUT], 0,
@@ -761,7 +767,7 @@
int prot_count = scsi_prot_sg_count(iser_task->sc);
if (iser_task->dir[ISER_DIR_IN]) {
- iser_unreg_rdma_mem(iser_task, ISER_DIR_IN);
+ iser_unreg_mem_fastreg(iser_task, ISER_DIR_IN);
iser_dma_unmap_task_data(iser_task,
&iser_task->data[ISER_DIR_IN],
DMA_FROM_DEVICE);
@@ -772,7 +778,7 @@
}
if (iser_task->dir[ISER_DIR_OUT]) {
- iser_unreg_rdma_mem(iser_task, ISER_DIR_OUT);
+ iser_unreg_mem_fastreg(iser_task, ISER_DIR_OUT);
iser_dma_unmap_task_data(iser_task,
&iser_task->data[ISER_DIR_OUT],
DMA_TO_DEVICE);
--
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