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Message-ID: <20190704132011.13600-5-skalluru@marvell.com>
Date: Thu, 4 Jul 2019 06:20:11 -0700
From: Sudarsana Reddy Kalluru <skalluru@...vell.com>
To: <davem@...emloft.net>
CC: <netdev@...r.kernel.org>, <mkalderon@...vell.com>,
<aelior@...vell.com>
Subject: [PATCH net-next v2 4/4] qed*: Add devlink support for configuration attributes.
This patch adds implementation for devlink callbacks for reading and
configuring the device attributes.
Signed-off-by: Sudarsana Reddy Kalluru <skalluru@...vell.com>
Signed-off-by: Ariel Elior <aelior@...vell.com>
---
Documentation/networking/devlink-params-qede.txt | 72 ++++++++
drivers/net/ethernet/qlogic/qed/qed_main.c | 38 +++++
drivers/net/ethernet/qlogic/qede/qede.h | 3 +
drivers/net/ethernet/qlogic/qede/qede_devlink.c | 202 ++++++++++++++++++++++-
drivers/net/ethernet/qlogic/qede/qede_devlink.h | 23 +++
include/linux/qed/qed_if.h | 16 ++
6 files changed, 353 insertions(+), 1 deletion(-)
create mode 100644 Documentation/networking/devlink-params-qede.txt
diff --git a/Documentation/networking/devlink-params-qede.txt b/Documentation/networking/devlink-params-qede.txt
new file mode 100644
index 0000000..f78a993
--- /dev/null
+++ b/Documentation/networking/devlink-params-qede.txt
@@ -0,0 +1,72 @@
+enable_sriov [DEVICE, GENERIC]
+ Configuration mode: Permanent
+
+iwarp_cmt [DEVICE, DRIVER-SPECIFIC]
+ Enable iWARP support over 100G device (CMT mode).
+ Type: Boolean
+ Configuration mode: runtime
+
+entity_id [DEVICE, DRIVER-SPECIFIC]
+ Set the entity ID value to be used for this device
+ while reading/configuring the devlink attributes.
+ Type: u8
+ Configuration mode: runtime
+
+device_capabilities [DEVICE, DRIVER-SPECIFIC]
+ Set the entity ID value to be used for this device
+ while reading/configuring the devlink attributes.
+ Type: u8
+ Configuration mode: runtime
+
+mf_mode [DEVICE, DRIVER-SPECIFIC]
+ Configure Multi Function mode for the device.
+ Supported MF modes and the assoicated values are,
+ MF allowed(0), Default(1), SPIO4(2), NPAR1.0(3),
+ NPAR1.5(4), NPAR2.0(5), BD(6) and UFP(7)
+ Type: u8
+ Configuration mode: Permanent
+
+dcbx_mode [PORT, DRIVER-SPECIFIC]
+ Configure DCBX mode for the device.
+ Supported dcbx modes are,
+ Disabled(0), IEEE(1), CEE(2) and Dynamic(3)
+ Type: u8
+ Configuration mode: Permanent
+
+preboot_oprom [PORT, DRIVER-SPECIFIC]
+ Enable Preboot Option ROM.
+ Type: Boolean
+ Configuration mode: Permanent
+
+preboot_boot_protocol [PORT, DRIVER-SPECIFIC]
+ Configure preboot Boot protocol.
+ Possible values are,
+ PXE(0), iSCSI Boot(3), FCoE Boot(4) and NONE(7)
+ Type: u8
+ Configuration mode: Permanent
+
+preboot_vlan [PORT, DRIVER-SPECIFIC]
+ Preboot VLAN.
+ Type: u16
+ Configuration mode: Permanent
+
+preboot_vlan_value [PORT, DRIVER-SPECIFIC]
+ Configure Preboot VLAN value.
+ Type: u16
+ Configuration mode: Permanent
+
+mba_delay_time [PORT, DRIVER-SPECIFIC]
+ Configure MBA Delay Time. Supported range is [0-15].
+ Type: u8
+ Configuration mode: Permanent
+
+mba_setup_hot_key [PORT, DRIVER-SPECIFIC]
+ Configure MBA setup Hot Key. Possible values are,
+ Ctrl S(0) and Ctrl B(1).
+ Type: u8
+ Configuration mode: Permanent
+
+mba_hide_setup_prompt [PORT, DRIVER-SPECIFIC]
+ Configure MBA hide setup prompt.
+ Type: Boolean
+ Configuration mode: Permanent
diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index f0183e2..3d43140 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -2388,6 +2388,42 @@ static void qed_set_iwarp_cmt(struct qed_dev *cdev, bool iwarp_cmt)
cdev->iwarp_cmt = iwarp_cmt;
}
+static int qed_get_cfg_attr(struct qed_dev *cdev, u16 cmd, u8 entity, u32 flags,
+ u8 *buf, int *len)
+{
+ struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
+ struct qed_ptt *ptt;
+ int status = 0;
+
+ ptt = qed_ptt_acquire(hwfn);
+ if (!ptt)
+ return -EAGAIN;
+
+ status = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, entity, flags, buf, len);
+
+ qed_ptt_release(hwfn, ptt);
+
+ return status;
+}
+
+static int qed_set_cfg_attr(struct qed_dev *cdev, u16 cmd, u8 entity, u32 flags,
+ u8 *buf, int len)
+{
+ struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
+ struct qed_ptt *ptt;
+ int status = 0;
+
+ ptt = qed_ptt_acquire(hwfn);
+ if (!ptt)
+ return -EAGAIN;
+
+ status = qed_mcp_nvm_set_cfg(hwfn, ptt, cmd, entity, flags, buf, len);
+
+ qed_ptt_release(hwfn, ptt);
+
+ return status;
+}
+
static struct qed_selftest_ops qed_selftest_ops_pass = {
.selftest_memory = &qed_selftest_memory,
.selftest_interrupt = &qed_selftest_interrupt,
@@ -2438,6 +2474,8 @@ static void qed_set_iwarp_cmt(struct qed_dev *cdev, bool iwarp_cmt)
.get_affin_hwfn_idx = &qed_get_affin_hwfn_idx,
.get_iwarp_cmt = &qed_get_iwarp_cmt,
.set_iwarp_cmt = &qed_set_iwarp_cmt,
+ .get_cfg_attr = &qed_get_cfg_attr,
+ .set_cfg_attr = &qed_set_cfg_attr,
};
void qed_get_protocol_stats(struct qed_dev *cdev,
diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h
index 35ad5cd..e175d30 100644
--- a/drivers/net/ethernet/qlogic/qede/qede.h
+++ b/drivers/net/ethernet/qlogic/qede/qede.h
@@ -54,6 +54,7 @@
#include <net/pkt_cls.h>
#include <net/tc_act/tc_gact.h>
+#include <net/devlink.h>
#define QEDE_MAJOR_VERSION 8
#define QEDE_MINOR_VERSION 37
@@ -264,6 +265,8 @@ struct qede_dev {
struct bpf_prog *xdp_prog;
struct devlink *dl;
+ struct devlink_port dl_port;
+ u8 cfg_entity_id;
};
enum QEDE_STATE {
diff --git a/drivers/net/ethernet/qlogic/qede/qede_devlink.c b/drivers/net/ethernet/qlogic/qede/qede_devlink.c
index 3f362ac..076a66a 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_devlink.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_devlink.c
@@ -2,6 +2,31 @@
#include "qede.h"
#include "qede_devlink.h"
+static const struct qede_devlink_cfg_param cfg_params[] = {
+ {DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, QED_NVM_CFG_ID_ENABLE_SRIOV,
+ DEVLINK_PARAM_TYPE_BOOL},
+ {QEDE_DEVLINK_ENTITY_ID, 0, DEVLINK_PARAM_TYPE_U8},
+ {QEDE_DEVLINK_DEVICE_CAPABILITIES,
+ QED_NVM_CFG_ID_DEVICE_CAPABILITIES, DEVLINK_PARAM_TYPE_U8},
+ {QEDE_DEVLINK_MF_MODE, QED_NVM_CFG_ID_MF_MODE, DEVLINK_PARAM_TYPE_U8},
+ {QEDE_DEVLINK_DCBX_MODE, QED_NVM_CFG_ID_DCBX_MODE,
+ DEVLINK_PARAM_TYPE_U8},
+ {QEDE_DEVLINK_PREBOOT_OPROM, QED_NVM_CFG_ID_PREBOOT_OPROM,
+ DEVLINK_PARAM_TYPE_BOOL},
+ {QEDE_DEVLINK_PREBOOT_BOOT_PROTOCOL,
+ QED_NVM_CFG_ID_PREBOOT_BOOT_PROTOCOL, DEVLINK_PARAM_TYPE_U8},
+ {QEDE_DEVLINK_PREBOOT_VLAN, QED_NVM_CFG_ID_PREBOOT_VLAN,
+ DEVLINK_PARAM_TYPE_U16},
+ {QEDE_DEVLINK_PREBOOT_VLAN_VALUE, QED_NVM_CFG_ID_PREBOOT_VLAN_VALUE,
+ DEVLINK_PARAM_TYPE_U16},
+ {QEDE_DEVLINK_MBA_DELAY_TIME, QED_NVM_CFG_ID_MBA_DELAY_TIME,
+ DEVLINK_PARAM_TYPE_U8},
+ {QEDE_DEVLINK_MBA_SETUP_HOT_KEY, QED_NVM_CFG_ID_MBA_SETUP_HOT_KEY,
+ DEVLINK_PARAM_TYPE_U8},
+ {QEDE_DEVLINK_MBA_HIDE_SETUP_PROMPT,
+ QED_NVM_CFG_ID_MBA_HIDE_SETUP_PROMPT, DEVLINK_PARAM_TYPE_BOOL},
+};
+
static int qede_dl_param_get(struct devlink *dl, u32 id,
struct devlink_param_gset_ctx *ctx)
{
@@ -28,11 +53,159 @@ static int qede_dl_param_set(struct devlink *dl, u32 id,
return 0;
}
+static int qede_dl_get_perm_cfg(struct devlink *dl, u32 id,
+ struct devlink_param_gset_ctx *ctx)
+{
+ u8 buf[QEDE_DL_PARAM_BUF_LEN];
+ struct qede_devlink *qede_dl;
+ int rc, idx, len = 0;
+ struct qede_dev *edev;
+ u32 flags;
+
+ qede_dl = devlink_priv(dl);
+ edev = qede_dl->edev;
+
+ if (id == QEDE_DEVLINK_ENTITY_ID) {
+ ctx->val.vu8 = edev->cfg_entity_id;
+ return 0;
+ }
+
+ for (idx = 0; idx < ARRAY_SIZE(cfg_params); idx++)
+ if (cfg_params[idx].id == id)
+ break;
+
+ if (idx == ARRAY_SIZE(cfg_params)) {
+ DP_ERR(edev, "Invalid command id %d\n", id);
+ return -EINVAL;
+ }
+
+ memset(buf, 0, QEDE_DL_PARAM_BUF_LEN);
+ flags = edev->cfg_entity_id ? QEDE_DL_PARAM_PF_GET_FLAGS :
+ QEDE_DL_PARAM_GET_FLAGS;
+
+ rc = edev->ops->common->get_cfg_attr(edev->cdev, cfg_params[idx].cmd,
+ edev->cfg_entity_id, flags, buf,
+ &len);
+ if (rc)
+ DP_ERR(edev, "Error = %d\n", rc);
+ else
+ memcpy(&ctx->val, buf, len);
+
+ return rc;
+}
+
+static int qede_dl_set_perm_cfg(struct devlink *dl, u32 id,
+ struct devlink_param_gset_ctx *ctx)
+{
+ u8 buf[QEDE_DL_PARAM_BUF_LEN];
+ struct qede_devlink *qede_dl;
+ int rc, idx, len = 0;
+ struct qede_dev *edev;
+ u32 flags;
+
+ qede_dl = devlink_priv(dl);
+ edev = qede_dl->edev;
+
+ if (id == QEDE_DEVLINK_ENTITY_ID) {
+ edev->cfg_entity_id = ctx->val.vu8;
+ return 0;
+ }
+
+ for (idx = 0; idx < ARRAY_SIZE(cfg_params); idx++)
+ if (cfg_params[idx].id == id)
+ break;
+
+ if (idx == ARRAY_SIZE(cfg_params)) {
+ DP_ERR(edev, "Invalid command id %d\n", id);
+ return -EINVAL;
+ }
+
+ memset(buf, 0, QEDE_DL_PARAM_BUF_LEN);
+ switch (cfg_params[idx].type) {
+ case DEVLINK_PARAM_TYPE_BOOL:
+ len = 1;
+ break;
+ case DEVLINK_PARAM_TYPE_U8:
+ len = 1;
+ break;
+ case DEVLINK_PARAM_TYPE_U16:
+ len = 2;
+ break;
+ case DEVLINK_PARAM_TYPE_U32:
+ len = 4;
+ break;
+ case DEVLINK_PARAM_TYPE_STRING:
+ len = strlen(ctx->val.vstr);
+ break;
+ }
+
+ memcpy(buf, &ctx->val, len);
+ flags = edev->cfg_entity_id ? QEDE_DL_PARAM_PF_SET_FLAGS :
+ QEDE_DL_PARAM_SET_FLAGS;
+
+ rc = edev->ops->common->set_cfg_attr(edev->cdev, cfg_params[idx].cmd,
+ edev->cfg_entity_id, flags, buf,
+ len);
+ if (rc)
+ DP_ERR(edev, "Error = %d\n", rc);
+
+ return rc;
+}
+
static const struct devlink_param qede_devlink_params[] = {
DEVLINK_PARAM_DRIVER(QEDE_DEVLINK_PARAM_ID_IWARP_CMT,
"iwarp_cmt", DEVLINK_PARAM_TYPE_BOOL,
BIT(DEVLINK_PARAM_CMODE_RUNTIME),
qede_dl_param_get, qede_dl_param_set, NULL),
+ DEVLINK_PARAM_DRIVER(QEDE_DEVLINK_ENTITY_ID,
+ "entity_id", DEVLINK_PARAM_TYPE_U8,
+ BIT(DEVLINK_PARAM_CMODE_RUNTIME),
+ qede_dl_get_perm_cfg, qede_dl_set_perm_cfg, NULL),
+ DEVLINK_PARAM_GENERIC(ENABLE_SRIOV, BIT(DEVLINK_PARAM_CMODE_PERMANENT),
+ qede_dl_get_perm_cfg, qede_dl_set_perm_cfg, NULL),
+ DEVLINK_PARAM_DRIVER(QEDE_DEVLINK_MF_MODE,
+ "mf_mode", DEVLINK_PARAM_TYPE_U8,
+ BIT(DEVLINK_PARAM_CMODE_PERMANENT),
+ qede_dl_get_perm_cfg, qede_dl_set_perm_cfg, NULL),
+ DEVLINK_PARAM_DRIVER(QEDE_DEVLINK_DEVICE_CAPABILITIES,
+ "device_capabilities", DEVLINK_PARAM_TYPE_U8,
+ BIT(DEVLINK_PARAM_CMODE_PERMANENT),
+ qede_dl_get_perm_cfg, qede_dl_set_perm_cfg, NULL),
+};
+
+static const struct devlink_param qede_devlink_port_params[] = {
+ DEVLINK_PARAM_DRIVER(QEDE_DEVLINK_DCBX_MODE,
+ "dcbx_mode", DEVLINK_PARAM_TYPE_U8,
+ BIT(DEVLINK_PARAM_CMODE_PERMANENT),
+ qede_dl_get_perm_cfg, qede_dl_set_perm_cfg, NULL),
+ DEVLINK_PARAM_DRIVER(QEDE_DEVLINK_PREBOOT_OPROM,
+ "preboot_oprom", DEVLINK_PARAM_TYPE_BOOL,
+ BIT(DEVLINK_PARAM_CMODE_PERMANENT),
+ qede_dl_get_perm_cfg, qede_dl_set_perm_cfg, NULL),
+ DEVLINK_PARAM_DRIVER(QEDE_DEVLINK_PREBOOT_BOOT_PROTOCOL,
+ "preboot_boot_protocol", DEVLINK_PARAM_TYPE_U8,
+ BIT(DEVLINK_PARAM_CMODE_PERMANENT),
+ qede_dl_get_perm_cfg, qede_dl_set_perm_cfg, NULL),
+ DEVLINK_PARAM_DRIVER(QEDE_DEVLINK_PREBOOT_VLAN,
+ "preboot_vlan", DEVLINK_PARAM_TYPE_U16,
+ BIT(DEVLINK_PARAM_CMODE_PERMANENT),
+ qede_dl_get_perm_cfg, qede_dl_set_perm_cfg, NULL),
+ DEVLINK_PARAM_DRIVER(QEDE_DEVLINK_PREBOOT_VLAN_VALUE,
+ "preboot_vlan_value", DEVLINK_PARAM_TYPE_U16,
+ BIT(DEVLINK_PARAM_CMODE_PERMANENT),
+ qede_dl_get_perm_cfg, qede_dl_set_perm_cfg, NULL),
+ DEVLINK_PARAM_DRIVER(QEDE_DEVLINK_MBA_DELAY_TIME,
+ "mba_delay_time", DEVLINK_PARAM_TYPE_U8,
+ BIT(DEVLINK_PARAM_CMODE_PERMANENT),
+ qede_dl_get_perm_cfg, qede_dl_set_perm_cfg, NULL),
+ DEVLINK_PARAM_DRIVER(QEDE_DEVLINK_MBA_SETUP_HOT_KEY,
+ "mba_setup_hot_key", DEVLINK_PARAM_TYPE_U8,
+ BIT(DEVLINK_PARAM_CMODE_PERMANENT),
+ qede_dl_get_perm_cfg, qede_dl_set_perm_cfg, NULL),
+ DEVLINK_PARAM_DRIVER(QEDE_DEVLINK_MBA_HIDE_SETUP_PROMPT,
+ "mba_hide_setup_prompt", DEVLINK_PARAM_TYPE_BOOL,
+ BIT(DEVLINK_PARAM_CMODE_PERMANENT),
+ qede_dl_get_perm_cfg, qede_dl_set_perm_cfg, NULL),
};
static const struct devlink_ops qede_dl_ops;
@@ -66,11 +239,34 @@ int qede_devlink_register(struct qede_dev *edev)
devlink_param_driverinit_value_set(dl, QEDE_DEVLINK_PARAM_ID_IWARP_CMT,
value);
+ devlink_port_attrs_set(&edev->dl_port, DEVLINK_PORT_FLAVOUR_PHYSICAL,
+ 0, false, 0, NULL, 0);
+ rc = devlink_port_register(dl, &edev->dl_port, 0);
+ if (rc) {
+ DP_ERR(edev, "devlink_port_register failed");
+ goto err_param_unregister;
+ }
+ devlink_port_type_eth_set(&edev->dl_port, edev->ndev);
+
+ rc = devlink_port_params_register(&edev->dl_port,
+ qede_devlink_port_params,
+ ARRAY_SIZE(qede_devlink_port_params));
+ if (rc) {
+ DP_ERR(edev, "devlink_port_params_register failed");
+ goto err_port_unregister;
+ }
+
devlink_params_publish(dl);
+ devlink_port_params_publish(&edev->dl_port);
edev->ops->common->set_iwarp_cmt(edev->cdev, false);
return 0;
+err_port_unregister:
+ devlink_port_unregister(&edev->dl_port);
+err_param_unregister:
+ devlink_params_unregister(edev->dl, qede_devlink_params,
+ ARRAY_SIZE(qede_devlink_params));
err_unregister:
devlink_unregister(dl);
@@ -86,9 +282,13 @@ void qede_devlink_unregister(struct qede_dev *edev)
if (!edev->dl)
return;
+ devlink_port_params_unpublish(&edev->dl_port);
+ devlink_params_unpublish(edev->dl);
+ devlink_port_params_unregister(&edev->dl_port, qede_devlink_port_params,
+ ARRAY_SIZE(qede_devlink_port_params));
devlink_params_unregister(edev->dl, qede_devlink_params,
ARRAY_SIZE(qede_devlink_params));
-
+ devlink_port_unregister(&edev->dl_port);
devlink_unregister(edev->dl);
devlink_free(edev->dl);
}
diff --git a/drivers/net/ethernet/qlogic/qede/qede_devlink.h b/drivers/net/ethernet/qlogic/qede/qede_devlink.h
index 5aa79dd..57b5fcc 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_devlink.h
+++ b/drivers/net/ethernet/qlogic/qede/qede_devlink.h
@@ -3,6 +3,12 @@
#define _QEDE_DEVLINK_H
#include <net/devlink.h>
+#define QEDE_DL_PARAM_GET_FLAGS 0xA
+#define QEDE_DL_PARAM_SET_FLAGS 0xE
+#define QEDE_DL_PARAM_PF_GET_FLAGS 0x1A
+#define QEDE_DL_PARAM_PF_SET_FLAGS 0x1E
+#define QEDE_DL_PARAM_BUF_LEN 32
+
struct qede_devlink {
struct qede_dev *edev;
};
@@ -10,6 +16,23 @@ struct qede_devlink {
enum qede_devlink_param_id {
QEDE_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
QEDE_DEVLINK_PARAM_ID_IWARP_CMT,
+ QEDE_DEVLINK_ENTITY_ID,
+ QEDE_DEVLINK_DEVICE_CAPABILITIES,
+ QEDE_DEVLINK_MF_MODE,
+ QEDE_DEVLINK_DCBX_MODE,
+ QEDE_DEVLINK_PREBOOT_OPROM,
+ QEDE_DEVLINK_PREBOOT_BOOT_PROTOCOL,
+ QEDE_DEVLINK_PREBOOT_VLAN,
+ QEDE_DEVLINK_PREBOOT_VLAN_VALUE,
+ QEDE_DEVLINK_MBA_DELAY_TIME,
+ QEDE_DEVLINK_MBA_SETUP_HOT_KEY,
+ QEDE_DEVLINK_MBA_HIDE_SETUP_PROMPT,
+};
+
+struct qede_devlink_cfg_param {
+ u16 id;
+ u16 cmd;
+ enum devlink_param_type type;
};
int qede_devlink_register(struct qede_dev *edev);
diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h
index 7c41304..6430762 100644
--- a/include/linux/qed/qed_if.h
+++ b/include/linux/qed/qed_if.h
@@ -48,6 +48,18 @@
#include <linux/qed/qed_chain.h>
#include <linux/io-64-nonatomic-lo-hi.h>
+#define QED_NVM_CFG_ID_MF_MODE 9
+#define QED_NVM_CFG_ID_DCBX_MODE 26
+#define QED_NVM_CFG_ID_PREBOOT_OPROM 59
+#define QED_NVM_CFG_ID_MBA_DELAY_TIME 61
+#define QED_NVM_CFG_ID_MBA_SETUP_HOT_KEY 62
+#define QED_NVM_CFG_ID_MBA_HIDE_SETUP_PROMPT 63
+#define QED_NVM_CFG_ID_PREBOOT_BOOT_PROTOCOL 69
+#define QED_NVM_CFG_ID_ENABLE_SRIOV 70
+#define QED_NVM_CFG_ID_DEVICE_CAPABILITIES 117
+#define QED_NVM_CFG_ID_PREBOOT_VLAN_VALUE 132
+#define QED_NVM_CFG_ID_PREBOOT_VLAN 133
+
enum dcbx_protocol_type {
DCBX_PROTOCOL_ISCSI,
DCBX_PROTOCOL_FCOE,
@@ -1134,6 +1146,10 @@ struct qed_common_ops {
bool (*get_iwarp_cmt)(struct qed_dev *cdev);
void (*set_iwarp_cmt)(struct qed_dev *cdev, bool iwarp_cmt);
+ int (*get_cfg_attr)(struct qed_dev *cdev, u16 cmd, u8 entity, u32 flags,
+ u8 *buf, int *len);
+ int (*set_cfg_attr)(struct qed_dev *cdev, u16 cmd, u8 entity, u32 flags,
+ u8 *buf, int len);
};
#define MASK_FIELD(_name, _value) \
--
1.8.3.1
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