xiaomi-sm8450/android_kernel_xiaomi_sm8450
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RDMA/i40iw: Add virtual channel message queue

Просмотр исходного кода 
Queue users of virtual channel on a waitqueue until the channel is
clear instead of failing the call when the channel is occupied.

Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Этот коммит содержится в:
Ismail, Mustafa
2016-04-18 10:33:03 -05:00
коммит произвёл Doug Ledford
родитель f606d89330
Коммит f69c333162
6 изменённых файлов: 103 добавлений и 63 удалений
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96
drivers/infiniband/hw/i40iw/i40iw_virtchnl.c
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@@ -437,11 +437,9 @@ enum i40iw_status_code i40iw_vchnl_recv_pf(struct i40iw_sc_dev *dev,
vchnl_pf_send_get_ver_resp(dev, vf_id, vchnl_msg);
return I40IW_SUCCESS;
}
for (iw_vf_idx = 0; iw_vf_idx < I40IW_MAX_PE_ENABLED_VF_COUNT;
iw_vf_idx++) {
for (iw_vf_idx = 0; iw_vf_idx < I40IW_MAX_PE_ENABLED_VF_COUNT; iw_vf_idx++) {
if (!dev->vf_dev[iw_vf_idx]) {
if (first_avail_iw_vf ==
I40IW_MAX_PE_ENABLED_VF_COUNT)
if (first_avail_iw_vf == I40IW_MAX_PE_ENABLED_VF_COUNT)
first_avail_iw_vf = iw_vf_idx;
continue;
}
@@ -596,23 +594,25 @@ enum i40iw_status_code i40iw_vchnl_vf_get_ver(struct i40iw_sc_dev *dev,
struct i40iw_virtchnl_req vchnl_req;
enum i40iw_status_code ret_code;
if (!i40iw_vf_clear_to_send(dev))
return I40IW_ERR_TIMEOUT;
memset(&vchnl_req, 0, sizeof(vchnl_req));
vchnl_req.dev = dev;
vchnl_req.parm = vchnl_ver;
vchnl_req.parm_len = sizeof(*vchnl_ver);
vchnl_req.vchnl_msg = &dev->vchnl_vf_msg_buf.vchnl_msg;
ret_code = vchnl_vf_send_get_ver_req(dev, &vchnl_req);
if (!ret_code) {
ret_code = i40iw_vf_wait_vchnl_resp(dev);
if (!ret_code)
ret_code = vchnl_req.ret_code;
else
dev->vchnl_up = false;
} else {
if (ret_code) {
i40iw_debug(dev, I40IW_DEBUG_VIRT,
"%s Send message failed 0x%0x\n", __func__, ret_code);
return ret_code;
}
return ret_code;
ret_code = i40iw_vf_wait_vchnl_resp(dev);
if (ret_code)
return ret_code;
else
return vchnl_req.ret_code;
}
/**
@@ -626,23 +626,25 @@ enum i40iw_status_code i40iw_vchnl_vf_get_hmc_fcn(struct i40iw_sc_dev *dev,
struct i40iw_virtchnl_req vchnl_req;
enum i40iw_status_code ret_code;
if (!i40iw_vf_clear_to_send(dev))
return I40IW_ERR_TIMEOUT;
memset(&vchnl_req, 0, sizeof(vchnl_req));
vchnl_req.dev = dev;
vchnl_req.parm = hmc_fcn;
vchnl_req.parm_len = sizeof(*hmc_fcn);
vchnl_req.vchnl_msg = &dev->vchnl_vf_msg_buf.vchnl_msg;
ret_code = vchnl_vf_send_get_hmc_fcn_req(dev, &vchnl_req);
if (!ret_code) {
ret_code = i40iw_vf_wait_vchnl_resp(dev);
if (!ret_code)
ret_code = vchnl_req.ret_code;
else
dev->vchnl_up = false;
} else {
if (ret_code) {
i40iw_debug(dev, I40IW_DEBUG_VIRT,
"%s Send message failed 0x%0x\n", __func__, ret_code);
return ret_code;
}
return ret_code;
ret_code = i40iw_vf_wait_vchnl_resp(dev);
if (ret_code)
return ret_code;
else
return vchnl_req.ret_code;
}
/**
@@ -660,25 +662,27 @@ enum i40iw_status_code i40iw_vchnl_vf_add_hmc_objs(struct i40iw_sc_dev *dev,
struct i40iw_virtchnl_req vchnl_req;
enum i40iw_status_code ret_code;
if (!i40iw_vf_clear_to_send(dev))
return I40IW_ERR_TIMEOUT;
memset(&vchnl_req, 0, sizeof(vchnl_req));
vchnl_req.dev = dev;
vchnl_req.vchnl_msg = &dev->vchnl_vf_msg_buf.vchnl_msg;
ret_code = vchnl_vf_send_add_hmc_objs_req(dev,
&vchnl_req,
rsrc_type,
start_index,
rsrc_count);
if (!ret_code) {
ret_code = i40iw_vf_wait_vchnl_resp(dev);
if (!ret_code)
ret_code = vchnl_req.ret_code;
else
dev->vchnl_up = false;
} else {
if (ret_code) {
i40iw_debug(dev, I40IW_DEBUG_VIRT,
"%s Send message failed 0x%0x\n", __func__, ret_code);
return ret_code;
}
return ret_code;
ret_code = i40iw_vf_wait_vchnl_resp(dev);
if (ret_code)
return ret_code;
else
return vchnl_req.ret_code;
}
/**
@@ -696,25 +700,27 @@ enum i40iw_status_code i40iw_vchnl_vf_del_hmc_obj(struct i40iw_sc_dev *dev,
struct i40iw_virtchnl_req vchnl_req;
enum i40iw_status_code ret_code;
if (!i40iw_vf_clear_to_send(dev))
return I40IW_ERR_TIMEOUT;
memset(&vchnl_req, 0, sizeof(vchnl_req));
vchnl_req.dev = dev;
vchnl_req.vchnl_msg = &dev->vchnl_vf_msg_buf.vchnl_msg;
ret_code = vchnl_vf_send_del_hmc_objs_req(dev,
&vchnl_req,
rsrc_type,
start_index,
rsrc_count);
if (!ret_code) {
ret_code = i40iw_vf_wait_vchnl_resp(dev);
if (!ret_code)
ret_code = vchnl_req.ret_code;
else
dev->vchnl_up = false;
} else {
if (ret_code) {
i40iw_debug(dev, I40IW_DEBUG_VIRT,
"%s Send message failed 0x%0x\n", __func__, ret_code);
return ret_code;
}
return ret_code;
ret_code = i40iw_vf_wait_vchnl_resp(dev);
if (ret_code)
return ret_code;
else
return vchnl_req.ret_code;
}
/**
@@ -728,21 +734,23 @@ enum i40iw_status_code i40iw_vchnl_vf_get_pe_stats(struct i40iw_sc_dev *dev,
struct i40iw_virtchnl_req vchnl_req;
enum i40iw_status_code ret_code;
if (!i40iw_vf_clear_to_send(dev))
return I40IW_ERR_TIMEOUT;
memset(&vchnl_req, 0, sizeof(vchnl_req));
vchnl_req.dev = dev;
vchnl_req.parm = hw_stats;
vchnl_req.parm_len = sizeof(*hw_stats);
vchnl_req.vchnl_msg = &dev->vchnl_vf_msg_buf.vchnl_msg;
ret_code = vchnl_vf_send_get_pe_stats_req(dev, &vchnl_req);
if (!ret_code) {
ret_code = i40iw_vf_wait_vchnl_resp(dev);
if (!ret_code)
ret_code = vchnl_req.ret_code;
else
dev->vchnl_up = false;
} else {
if (ret_code) {
i40iw_debug(dev, I40IW_DEBUG_VIRT,
"%s Send message failed 0x%0x\n", __func__, ret_code);
return ret_code;
}
return ret_code;
ret_code = i40iw_vf_wait_vchnl_resp(dev);
if (ret_code)
return ret_code;
else
return vchnl_req.ret_code;
}