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Message-Id: <20240320-dpaa2-v1-4-eb56e47c94ec@nxp.com>
Date: Wed, 20 Mar 2024 15:39:22 -0400
From: Frank Li <Frank.Li@....com>
To: Vinod Koul <vkoul@...nel.org>
Cc: dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
imx@...ts.linux.dev, Frank Li <Frank.Li@....com>
Subject: [PATCH 4/4] dmaengine: fsl-dpaa2-qdma: Update DPDMAI interfaces to
version 3
Update the DPDMAI interfaces to support MC firmware up to 10.1x.x.
Signed-off-by: Frank Li <Frank.Li@....com>
---
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c | 14 ++++-----
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.h | 5 ++--
drivers/dma/fsl-dpaa2-qdma/dpdmai.c | 53 ++++++++++++++++++++++++---------
drivers/dma/fsl-dpaa2-qdma/dpdmai.h | 35 ++++++++++++++--------
4 files changed, 72 insertions(+), 35 deletions(-)
diff --git a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c
index 5a8061a307cda..36384d0192636 100644
--- a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c
+++ b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c
@@ -362,7 +362,7 @@ static int __cold dpaa2_qdma_setup(struct fsl_mc_device *ls_dev)
for (i = 0; i < priv->num_pairs; i++) {
err = dpdmai_get_rx_queue(priv->mc_io, 0, ls_dev->mc_handle,
- i, &priv->rx_queue_attr[i]);
+ i, 0, &priv->rx_queue_attr[i]);
if (err) {
dev_err(dev, "dpdmai_get_rx_queue() failed\n");
goto exit;
@@ -370,13 +370,13 @@ static int __cold dpaa2_qdma_setup(struct fsl_mc_device *ls_dev)
ppriv->rsp_fqid = priv->rx_queue_attr[i].fqid;
err = dpdmai_get_tx_queue(priv->mc_io, 0, ls_dev->mc_handle,
- i, &priv->tx_fqid[i]);
+ i, 0, &priv->tx_queue_attr[i]);
if (err) {
dev_err(dev, "dpdmai_get_tx_queue() failed\n");
goto exit;
}
- ppriv->req_fqid = priv->tx_fqid[i];
- ppriv->prio = i;
+ ppriv->req_fqid = priv->tx_queue_attr[i].fqid;
+ ppriv->prio = DPAA2_QDMA_DEFAULT_PRIORITY;
ppriv->priv = priv;
ppriv++;
}
@@ -542,7 +542,7 @@ static int __cold dpaa2_dpdmai_bind(struct dpaa2_qdma_priv *priv)
rx_queue_cfg.dest_cfg.dest_id = ppriv->nctx.dpio_id;
rx_queue_cfg.dest_cfg.priority = ppriv->prio;
err = dpdmai_set_rx_queue(priv->mc_io, 0, ls_dev->mc_handle,
- rx_queue_cfg.dest_cfg.priority,
+ rx_queue_cfg.dest_cfg.priority, 0,
&rx_queue_cfg);
if (err) {
dev_err(dev, "dpdmai_set_rx_queue() failed\n");
@@ -642,7 +642,7 @@ static int dpaa2_dpdmai_init_channels(struct dpaa2_qdma_engine *dpaa2_qdma)
for (i = 0; i < dpaa2_qdma->n_chans; i++) {
dpaa2_chan = &dpaa2_qdma->chans[i];
dpaa2_chan->qdma = dpaa2_qdma;
- dpaa2_chan->fqid = priv->tx_fqid[i % num];
+ dpaa2_chan->fqid = priv->tx_queue_attr[i % num].fqid;
dpaa2_chan->vchan.desc_free = dpaa2_qdma_free_desc;
vchan_init(&dpaa2_chan->vchan, &dpaa2_qdma->dma_dev);
spin_lock_init(&dpaa2_chan->queue_lock);
@@ -802,7 +802,7 @@ static void dpaa2_qdma_shutdown(struct fsl_mc_device *ls_dev)
dpdmai_disable(priv->mc_io, 0, ls_dev->mc_handle);
dpaa2_dpdmai_dpio_unbind(priv);
dpdmai_close(priv->mc_io, 0, ls_dev->mc_handle);
- dpdmai_destroy(priv->mc_io, 0, ls_dev->mc_handle);
+ dpdmai_destroy(priv->mc_io, 0, priv->dpqdma_id, ls_dev->mc_handle);
}
static const struct fsl_mc_device_id dpaa2_qdma_id_table[] = {
diff --git a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.h b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.h
index 03e2f4e0baca8..2c80077cb7c0a 100644
--- a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.h
+++ b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.h
@@ -6,6 +6,7 @@
#define DPAA2_QDMA_STORE_SIZE 16
#define NUM_CH 8
+#define DPAA2_QDMA_DEFAULT_PRIORITY 0
struct dpaa2_qdma_sd_d {
u32 rsv:32;
@@ -122,8 +123,8 @@ struct dpaa2_qdma_priv {
struct dpaa2_qdma_engine *dpaa2_qdma;
struct dpaa2_qdma_priv_per_prio *ppriv;
- struct dpdmai_rx_queue_attr rx_queue_attr[DPDMAI_PRIO_NUM];
- u32 tx_fqid[DPDMAI_PRIO_NUM];
+ struct dpdmai_rx_queue_attr rx_queue_attr[DPDMAI_MAX_QUEUE_NUM];
+ struct dpdmai_tx_queue_attr tx_queue_attr[DPDMAI_MAX_QUEUE_NUM];
};
struct dpaa2_qdma_priv_per_prio {
diff --git a/drivers/dma/fsl-dpaa2-qdma/dpdmai.c b/drivers/dma/fsl-dpaa2-qdma/dpdmai.c
index 610f6231835a8..7fbe925831b8b 100644
--- a/drivers/dma/fsl-dpaa2-qdma/dpdmai.c
+++ b/drivers/dma/fsl-dpaa2-qdma/dpdmai.c
@@ -1,42 +1,58 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright 2019 NXP
+#include <linux/bitfield.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/io.h>
#include <linux/fsl/mc.h>
#include "dpdmai.h"
+#define DEST_TYPE_MASK 0xF
+
struct dpdmai_rsp_get_attributes {
__le32 id;
u8 num_of_priorities;
- u8 pad0[3];
+ u8 num_of_queues;
+ u8 pad0[2];
__le16 major;
__le16 minor;
};
struct dpdmai_cmd_queue {
__le32 dest_id;
- u8 priority;
- u8 queue;
+ u8 dest_priority;
+ union {
+ u8 queue;
+ u8 pri;
+ };
u8 dest_type;
- u8 pad;
+ u8 queue_idx;
__le64 user_ctx;
union {
__le32 options;
__le32 fqid;
};
-};
+} __packed;
struct dpdmai_rsp_get_tx_queue {
__le64 pad;
__le32 fqid;
};
+struct dpdmai_rsp_is_enabled {
+ /* only the LSB bit */
+ u8 en;
+} __packed;
+
struct dpdmai_cmd_open {
__le32 dpdmai_id;
} __packed;
+struct dpdmai_cmd_destroy {
+ __le32 dpdmai_id;
+} __packed;
+
static inline u64 mc_enc(int lsoffset, int width, u64 val)
{
return (val & MAKE_UMASK64(width)) << lsoffset;
@@ -113,18 +129,23 @@ EXPORT_SYMBOL_GPL(dpdmai_close);
* dpdmai_destroy() - Destroy the DPDMAI object and release all its resources.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @dpdmai_id: The object id; it must be a valid id within the container that created this object;
* @token: Token of DPDMAI object
*
* Return: '0' on Success; error code otherwise.
*/
-int dpdmai_destroy(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token)
+int dpdmai_destroy(struct fsl_mc_io *mc_io, u32 cmd_flags, u32 dpdmai_id, u16 token)
{
+ struct dpdmai_cmd_destroy *cmd_params;
struct fsl_mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_DESTROY,
cmd_flags, token);
+ cmd_params = (struct dpdmai_cmd_destroy *)&cmd.params;
+ cmd_params->dpdmai_id = cpu_to_le32(dpdmai_id);
+
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
@@ -224,6 +245,7 @@ int dpdmai_get_attributes(struct fsl_mc_io *mc_io, u32 cmd_flags,
attr->version.major = le16_to_cpu(rsp_params->major);
attr->version.minor = le16_to_cpu(rsp_params->minor);
attr->num_of_priorities = rsp_params->num_of_priorities;
+ attr->num_of_queues = rsp_params->num_of_queues;
return 0;
}
@@ -240,7 +262,7 @@ EXPORT_SYMBOL_GPL(dpdmai_get_attributes);
*
* Return: '0' on Success; Error code otherwise.
*/
-int dpdmai_set_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+int dpdmai_set_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 queue_idx,
u8 priority, const struct dpdmai_rx_queue_cfg *cfg)
{
struct dpdmai_cmd_queue *cmd_params;
@@ -252,11 +274,12 @@ int dpdmai_set_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
cmd_params = (struct dpdmai_cmd_queue *)cmd.params;
cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id);
- cmd_params->priority = cfg->dest_cfg.priority;
- cmd_params->queue = priority;
+ cmd_params->dest_priority = cfg->dest_cfg.priority;
+ cmd_params->pri = priority;
cmd_params->dest_type = cfg->dest_cfg.dest_type;
cmd_params->user_ctx = cpu_to_le64(cfg->user_ctx);
cmd_params->options = cpu_to_le32(cfg->options);
+ cmd_params->queue_idx = queue_idx;
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
@@ -274,7 +297,7 @@ EXPORT_SYMBOL_GPL(dpdmai_set_rx_queue);
*
* Return: '0' on Success; Error code otherwise.
*/
-int dpdmai_get_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+int dpdmai_get_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 queue_idx,
u8 priority, struct dpdmai_rx_queue_attr *attr)
{
struct dpdmai_cmd_queue *cmd_params;
@@ -287,6 +310,7 @@ int dpdmai_get_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
cmd_params = (struct dpdmai_cmd_queue *)cmd.params;
cmd_params->queue = priority;
+ cmd_params->queue_idx = queue_idx;
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
@@ -295,8 +319,8 @@ int dpdmai_get_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
/* retrieve response parameters */
attr->dest_cfg.dest_id = le32_to_cpu(cmd_params->dest_id);
- attr->dest_cfg.priority = cmd_params->priority;
- attr->dest_cfg.dest_type = cmd_params->dest_type;
+ attr->dest_cfg.priority = cmd_params->dest_priority;
+ attr->dest_cfg.dest_type = FIELD_GET(DEST_TYPE_MASK, cmd_params->dest_type);
attr->user_ctx = le64_to_cpu(cmd_params->user_ctx);
attr->fqid = le32_to_cpu(cmd_params->fqid);
@@ -316,7 +340,7 @@ EXPORT_SYMBOL_GPL(dpdmai_get_rx_queue);
* Return: '0' on Success; Error code otherwise.
*/
int dpdmai_get_tx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags,
- u16 token, u8 priority, u32 *fqid)
+ u16 token, u8 queue_idx, u8 priority, struct dpdmai_tx_queue_attr *attr)
{
struct dpdmai_rsp_get_tx_queue *rsp_params;
struct dpdmai_cmd_queue *cmd_params;
@@ -329,6 +353,7 @@ int dpdmai_get_tx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags,
cmd_params = (struct dpdmai_cmd_queue *)cmd.params;
cmd_params->queue = priority;
+ cmd_params->queue_idx = queue_idx;
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
@@ -338,7 +363,7 @@ int dpdmai_get_tx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags,
/* retrieve response parameters */
rsp_params = (struct dpdmai_rsp_get_tx_queue *)cmd.params;
- *fqid = le32_to_cpu(rsp_params->fqid);
+ attr->fqid = le32_to_cpu(rsp_params->fqid);
return 0;
}
diff --git a/drivers/dma/fsl-dpaa2-qdma/dpdmai.h b/drivers/dma/fsl-dpaa2-qdma/dpdmai.h
index 3f2db582509a1..1efca2a305334 100644
--- a/drivers/dma/fsl-dpaa2-qdma/dpdmai.h
+++ b/drivers/dma/fsl-dpaa2-qdma/dpdmai.h
@@ -5,14 +5,19 @@
#define __FSL_DPDMAI_H
/* DPDMAI Version */
-#define DPDMAI_VER_MAJOR 2
-#define DPDMAI_VER_MINOR 2
+#define DPDMAI_VER_MAJOR 3
+#define DPDMAI_VER_MINOR 3
-#define DPDMAI_CMD_BASE_VERSION 0
+#define DPDMAI_CMD_BASE_VERSION 1
#define DPDMAI_CMD_ID_OFFSET 4
-#define DPDMAI_CMDID_FORMAT(x) (((x) << DPDMAI_CMD_ID_OFFSET) | \
- DPDMAI_CMD_BASE_VERSION)
+/*
+ * Maximum number of Tx/Rx queues per DPDMAI object
+ */
+#define DPDMAI_MAX_QUEUE_NUM 8
+
+#define DPDMAI_CMDID_FORMAT_V(x, v) (((x) << DPDMAI_CMD_ID_OFFSET) | (v))
+#define DPDMAI_CMDID_FORMAT(x) DPDMAI_CMDID_FORMAT_V(x, DPDMAI_CMD_BASE_VERSION)
/* Command IDs */
#define DPDMAI_CMDID_CLOSE DPDMAI_CMDID_FORMAT(0x800)
@@ -26,9 +31,9 @@
#define DPDMAI_CMDID_RESET DPDMAI_CMDID_FORMAT(0x005)
#define DPDMAI_CMDID_IS_ENABLED DPDMAI_CMDID_FORMAT(0x006)
-#define DPDMAI_CMDID_SET_RX_QUEUE DPDMAI_CMDID_FORMAT(0x1A0)
-#define DPDMAI_CMDID_GET_RX_QUEUE DPDMAI_CMDID_FORMAT(0x1A1)
-#define DPDMAI_CMDID_GET_TX_QUEUE DPDMAI_CMDID_FORMAT(0x1A2)
+#define DPDMAI_CMDID_SET_RX_QUEUE DPDMAI_CMDID_FORMAT_V(0x1A0, 2)
+#define DPDMAI_CMDID_GET_RX_QUEUE DPDMAI_CMDID_FORMAT_V(0x1A1, 2)
+#define DPDMAI_CMDID_GET_TX_QUEUE DPDMAI_CMDID_FORMAT_V(0x1A2, 2)
#define MC_CMD_HDR_TOKEN_O 32 /* Token field offset */
#define MC_CMD_HDR_TOKEN_S 16 /* Token field size */
@@ -64,6 +69,7 @@
* should be configured with 0
*/
struct dpdmai_cfg {
+ u8 num_queues;
u8 priorities[DPDMAI_PRIO_NUM];
};
@@ -85,6 +91,7 @@ struct dpdmai_attr {
u16 minor;
} version;
u8 num_of_priorities;
+ u8 num_of_queues;
};
/**
@@ -149,20 +156,24 @@ struct dpdmai_rx_queue_attr {
u32 fqid;
};
+struct dpdmai_tx_queue_attr {
+ u32 fqid;
+};
+
int dpdmai_open(struct fsl_mc_io *mc_io, u32 cmd_flags,
int dpdmai_id, u16 *token);
int dpdmai_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
-int dpdmai_destroy(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
+int dpdmai_destroy(struct fsl_mc_io *mc_io, u32 cmd_flags, u32 dpdmai_id, u16 token);
int dpdmai_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
int dpdmai_disable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
int dpdmai_reset(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
int dpdmai_get_attributes(struct fsl_mc_io *mc_io, u32 cmd_flags,
u16 token, struct dpdmai_attr *attr);
int dpdmai_set_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
- u8 priority, const struct dpdmai_rx_queue_cfg *cfg);
+ u8 queue_idx, u8 priority, const struct dpdmai_rx_queue_cfg *cfg);
int dpdmai_get_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
- u8 priority, struct dpdmai_rx_queue_attr *attr);
+ u8 queue_idx, u8 priority, struct dpdmai_rx_queue_attr *attr);
int dpdmai_get_tx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags,
- u16 token, u8 priority, u32 *fqid);
+ u16 token, u8 queue_idx, u8 priority, struct dpdmai_tx_queue_attr *attr);
#endif /* __FSL_DPDMAI_H */
--
2.34.1
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