rpmsg updates for v6.12
This performs minor cleanup/refactor of the Qualcomm GLINK code, in order to then add trace events related to the messages exchange with the remote side, useful for debugging a range of interoperability issues. The nested structs with flexible array members, in the same driver, is then rewritten to avoid the risk of invalid accesses. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmbyRXAVHGFuZGVyc3Nv bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3FCmwQAK4rnPNCnJsPoZDQx41JoWwIwRMu Xn3CBwAN24ysfSYusqQrtYtru6KIVg3B1F0Qu/bDCmRG9rq0jGgnUDK368OX9Tpm P1rZTCqvVe8iZms69uz/aJN+3ZAjUH6kJlrTlCRuSoDFGirohjqIUUYQylGvNFQH E27wAVNH7W8ahXOZP94T2w39rIN4+EB5G8BTZmdFXRW4V1DPYoxcoAc9a9AZqsea mPkvIpF0aKHMD8NnPjEutMLC51RCTb6IrqJknmd1IhREVai0d4pc3UlwU/NpIMWO pDu4EJbYzFSj1wkgPeaaQ05fQ9mCMM9y4fXKJFSKqX50Iq9HCpr7NR2XYiv+mGLJ F7tMhmu0sfOGg8t8Zzh92I2WoTiQs0JdikZ+CJo2I5ZkNCPbGUe/DvZfyUE3SEjt SRhgBzhyZ+aREzzmbkwfwmEtJLahgJDvC9kj9EUX9wRdE4gG9Uwb2YpUU6pguKTX XhKNUey19KVUZjBdcOL4eau7FrZiP7D8cYrwH870t027gdNahPD8DsxC8l52NlNV 0IST3gIRZneiOEW0OA/5i8O6SHJaJ5A0aOpzm0uMiiXu7cL+3iW9PwtwywsjObGX QNjtNtHfxuXFK3P8UlVfyW1MvmF7aA7E4Y3v43yThITUfD+BDC19+4e2jjCbLt40 vfxUkuJSMmuHWCr2 =hQET -----END PGP SIGNATURE----- Merge tag 'rpmsg-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux Pull rpmsg updates from Bjorn Andersson: - Minor cleanup/refactor to the Qualcomm GLINK code, in order to add trace events related to the messages exchange with the remote side, useful for debugging a range of interoperability issues - Rewrite the nested structs with flexible array members in order to avoid the risk of invalid accesses * tag 'rpmsg-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: rpmsg: glink: Avoid -Wflex-array-member-not-at-end warnings rpmsg: glink: Introduce packet tracepoints rpmsg: glink: Pass channel to qcom_glink_send_close_ack() rpmsg: glink: Tidy up RX advance handling
This commit is contained in:
Linus Torvalds
commit
6e10aa1fee
@ -4,6 +4,7 @@ obj-$(CONFIG_RPMSG_CHAR) += rpmsg_char.o
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obj-$(CONFIG_RPMSG_CTRL) += rpmsg_ctrl.o
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obj-$(CONFIG_RPMSG_NS) += rpmsg_ns.o
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obj-$(CONFIG_RPMSG_MTK_SCP) += mtk_rpmsg.o
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CFLAGS_qcom_glink_native.o := -I$(src)
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qcom_glink-objs := qcom_glink_native.o qcom_glink_ssr.o
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obj-$(CONFIG_RPMSG_QCOM_GLINK) += qcom_glink.o
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obj-$(CONFIG_RPMSG_QCOM_GLINK_RPM) += qcom_glink_rpm.o
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@ -23,6 +23,9 @@
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#include "rpmsg_internal.h"
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#include "qcom_glink_native.h"
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#define CREATE_TRACE_POINTS
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#include "qcom_glink_trace.h"
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#define GLINK_NAME_SIZE 32
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#define GLINK_VERSION_1 1
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@ -30,11 +33,16 @@
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#define RPM_GLINK_CID_MAX 65536
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struct glink_msg {
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__le16 cmd;
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__le16 param1;
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__le32 param2;
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/* New members MUST be added within the __struct_group() macro below. */
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__struct_group(glink_msg_hdr, hdr, __packed,
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__le16 cmd;
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__le16 param1;
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__le32 param2;
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);
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u8 data[];
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} __packed;
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static_assert(offsetof(struct glink_msg, data) == sizeof(struct glink_msg_hdr),
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"struct member likely outside of __struct_group()");
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/**
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* struct glink_defer_cmd - deferred incoming control message
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@ -48,7 +56,7 @@ struct glink_msg {
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struct glink_defer_cmd {
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struct list_head node;
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struct glink_msg msg;
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struct glink_msg_hdr msg;
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u8 data[];
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};
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@ -78,6 +86,7 @@ struct glink_core_rx_intent {
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/**
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* struct qcom_glink - driver context, relates to one remote subsystem
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* @dev: reference to the associated struct device
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* @label: identifier of the glink edge
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* @rx_pipe: pipe object for receive FIFO
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* @tx_pipe: pipe object for transmit FIFO
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* @rx_work: worker for handling received control messages
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@ -96,6 +105,8 @@ struct glink_core_rx_intent {
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struct qcom_glink {
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struct device *dev;
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const char *label;
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struct qcom_glink_pipe *rx_pipe;
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struct qcom_glink_pipe *tx_pipe;
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@ -392,6 +403,8 @@ static int qcom_glink_send_version(struct qcom_glink *glink)
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msg.param1 = cpu_to_le16(GLINK_VERSION_1);
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msg.param2 = cpu_to_le32(glink->features);
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trace_qcom_glink_cmd_version_tx(glink->label, GLINK_VERSION_1, glink->features);
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return qcom_glink_tx(glink, &msg, sizeof(msg), NULL, 0, true);
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}
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@ -403,6 +416,8 @@ static void qcom_glink_send_version_ack(struct qcom_glink *glink)
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msg.param1 = cpu_to_le16(GLINK_VERSION_1);
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msg.param2 = cpu_to_le32(glink->features);
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trace_qcom_glink_cmd_version_ack_tx(glink->label, msg.param1, msg.param2);
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qcom_glink_tx(glink, &msg, sizeof(msg), NULL, 0, true);
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}
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@ -415,6 +430,9 @@ static void qcom_glink_send_open_ack(struct qcom_glink *glink,
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msg.param1 = cpu_to_le16(channel->rcid);
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msg.param2 = cpu_to_le32(0);
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trace_qcom_glink_cmd_open_ack_tx(glink->label, channel->name,
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channel->lcid, channel->rcid);
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qcom_glink_tx(glink, &msg, sizeof(msg), NULL, 0, true);
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}
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@ -424,9 +442,16 @@ static void qcom_glink_handle_intent_req_ack(struct qcom_glink *glink,
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struct glink_channel *channel;
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unsigned long flags;
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qcom_glink_rx_advance(glink, ALIGN(sizeof(struct glink_msg), 8));
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spin_lock_irqsave(&glink->idr_lock, flags);
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channel = idr_find(&glink->rcids, cid);
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spin_unlock_irqrestore(&glink->idr_lock, flags);
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trace_qcom_glink_cmd_rx_intent_req_ack_rx(glink->label,
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channel ? channel->name : NULL,
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channel ? channel->lcid : 0,
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cid, granted);
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if (!channel) {
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dev_err(glink->dev, "unable to find channel\n");
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return;
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@ -455,12 +480,9 @@ static void qcom_glink_intent_req_abort(struct glink_channel *channel)
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static int qcom_glink_send_open_req(struct qcom_glink *glink,
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struct glink_channel *channel)
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{
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struct {
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struct glink_msg msg;
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u8 name[GLINK_NAME_SIZE];
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} __packed req;
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DEFINE_RAW_FLEX(struct glink_msg, req, data, GLINK_NAME_SIZE);
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int name_len = strlen(channel->name) + 1;
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int req_len = ALIGN(sizeof(req.msg) + name_len, 8);
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int req_len = ALIGN(sizeof(*req) + name_len, 8);
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int ret;
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unsigned long flags;
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@ -476,12 +498,15 @@ static int qcom_glink_send_open_req(struct qcom_glink *glink,
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channel->lcid = ret;
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req.msg.cmd = cpu_to_le16(GLINK_CMD_OPEN);
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req.msg.param1 = cpu_to_le16(channel->lcid);
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req.msg.param2 = cpu_to_le32(name_len);
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strcpy(req.name, channel->name);
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req->cmd = cpu_to_le16(GLINK_CMD_OPEN);
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req->param1 = cpu_to_le16(channel->lcid);
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req->param2 = cpu_to_le32(name_len);
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strcpy(req->data, channel->name);
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ret = qcom_glink_tx(glink, &req, req_len, NULL, 0, true);
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trace_qcom_glink_cmd_open_tx(glink->label, channel->name,
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channel->lcid, channel->rcid);
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ret = qcom_glink_tx(glink, req, req_len, NULL, 0, true);
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if (ret)
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goto remove_idr;
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@ -505,18 +530,24 @@ static void qcom_glink_send_close_req(struct qcom_glink *glink,
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req.param1 = cpu_to_le16(channel->lcid);
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req.param2 = 0;
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trace_qcom_glink_cmd_close_tx(glink->label, channel->name,
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channel->lcid, channel->rcid);
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qcom_glink_tx(glink, &req, sizeof(req), NULL, 0, true);
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}
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static void qcom_glink_send_close_ack(struct qcom_glink *glink,
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unsigned int rcid)
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struct glink_channel *channel)
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{
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struct glink_msg req;
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req.cmd = cpu_to_le16(GLINK_CMD_CLOSE_ACK);
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req.param1 = cpu_to_le16(rcid);
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req.param1 = cpu_to_le16(channel->rcid);
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req.param2 = 0;
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trace_qcom_glink_cmd_close_ack_tx(glink->label, channel->name,
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channel->lcid, channel->rcid);
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qcom_glink_tx(glink, &req, sizeof(req), NULL, 0, true);
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}
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@ -548,6 +579,9 @@ static void qcom_glink_rx_done_work(struct work_struct *work)
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cmd.lcid = cid;
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cmd.liid = iid;
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trace_qcom_glink_cmd_rx_done_tx(glink->label, channel->name,
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channel->lcid, channel->rcid, cmd.liid, reuse);
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qcom_glink_tx(glink, &cmd, sizeof(cmd), NULL, 0, true);
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if (!reuse) {
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kfree(intent->data);
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@ -598,6 +632,8 @@ static void qcom_glink_receive_version(struct qcom_glink *glink,
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u32 version,
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u32 features)
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{
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trace_qcom_glink_cmd_version_rx(glink->label, version, features);
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switch (version) {
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case 0:
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break;
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@ -625,6 +661,8 @@ static void qcom_glink_receive_version_ack(struct qcom_glink *glink,
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u32 version,
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u32 features)
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{
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trace_qcom_glink_cmd_version_ack_rx(glink->label, version, features);
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switch (version) {
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case 0:
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/* Version negotiation failed */
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@ -656,6 +694,10 @@ static int qcom_glink_send_intent_req_ack(struct qcom_glink *glink,
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{
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struct glink_msg msg;
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trace_qcom_glink_cmd_rx_intent_req_ack_tx(glink->label, channel->name,
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channel->lcid, channel->rcid,
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granted);
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msg.cmd = cpu_to_le16(GLINK_CMD_RX_INTENT_REQ_ACK);
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msg.param1 = cpu_to_le16(channel->lcid);
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msg.param2 = cpu_to_le32(granted);
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@ -693,6 +735,10 @@ static int qcom_glink_advertise_intent(struct qcom_glink *glink,
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cmd.size = cpu_to_le32(intent->size);
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cmd.liid = cpu_to_le32(intent->id);
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trace_qcom_glink_cmd_intent_tx(glink->label, channel->name,
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channel->lcid, channel->rcid,
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cmd.count, cmd.size, cmd.liid);
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qcom_glink_tx(glink, &cmd, sizeof(cmd), NULL, 0, true);
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return 0;
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@ -745,9 +791,14 @@ static void qcom_glink_handle_rx_done(struct qcom_glink *glink,
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struct glink_channel *channel;
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unsigned long flags;
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qcom_glink_rx_advance(glink, ALIGN(sizeof(struct glink_msg), 8));
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spin_lock_irqsave(&glink->idr_lock, flags);
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channel = idr_find(&glink->rcids, cid);
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spin_unlock_irqrestore(&glink->idr_lock, flags);
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trace_qcom_glink_cmd_rx_done_rx(glink->label, channel ? channel->name : NULL,
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channel ? channel->lcid : 0, cid, iid, reuse);
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if (!channel) {
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dev_err(glink->dev, "invalid channel id received\n");
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return;
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@ -797,6 +848,10 @@ static void qcom_glink_handle_intent_req(struct qcom_glink *glink,
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channel = idr_find(&glink->rcids, cid);
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spin_unlock_irqrestore(&glink->idr_lock, flags);
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trace_qcom_glink_cmd_rx_intent_req_rx(glink->label,
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channel ? channel->name : NULL,
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channel ? channel->lcid : 0,
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cid, size);
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if (!channel) {
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pr_err("%s channel not found for cid %d\n", __func__, cid);
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return;
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@ -826,7 +881,9 @@ static int qcom_glink_rx_defer(struct qcom_glink *glink, size_t extra)
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INIT_LIST_HEAD(&dcmd->node);
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qcom_glink_rx_peek(glink, &dcmd->msg, 0, sizeof(dcmd->msg) + extra);
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qcom_glink_rx_peek(glink,
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container_of(&dcmd->msg, struct glink_msg, hdr), 0,
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sizeof(dcmd->msg) + extra);
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spin_lock(&glink->rx_lock);
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list_add_tail(&dcmd->node, &glink->rx_queue);
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@ -843,7 +900,7 @@ static int qcom_glink_rx_data(struct qcom_glink *glink, size_t avail)
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struct glink_core_rx_intent *intent;
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struct glink_channel *channel;
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struct {
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struct glink_msg msg;
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struct glink_msg_hdr msg;
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__le32 chunk_size;
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__le32 left_size;
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} __packed hdr;
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@ -869,9 +926,15 @@ static int qcom_glink_rx_data(struct qcom_glink *glink, size_t avail)
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}
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rcid = le16_to_cpu(hdr.msg.param1);
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liid = le32_to_cpu(hdr.msg.param2);
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spin_lock_irqsave(&glink->idr_lock, flags);
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channel = idr_find(&glink->rcids, rcid);
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spin_unlock_irqrestore(&glink->idr_lock, flags);
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trace_qcom_glink_cmd_tx_data_rx(glink->label, channel ? channel->name : NULL,
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channel ? channel->lcid : 0, rcid,
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liid, chunk_size, left_size,
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hdr.msg.cmd == GLINK_CMD_TX_DATA_CONT);
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if (!channel) {
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dev_dbg(glink->dev, "Data on non-existing channel\n");
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@ -902,8 +965,6 @@ static int qcom_glink_rx_data(struct qcom_glink *glink, size_t avail)
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intent = channel->buf;
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}
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} else {
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liid = le32_to_cpu(hdr.msg.param2);
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spin_lock_irqsave(&channel->intent_lock, flags);
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intent = idr_find(&channel->liids, liid);
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spin_unlock_irqrestore(&channel->intent_lock, flags);
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@ -952,6 +1013,14 @@ advance_rx:
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return ret;
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}
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static void qcom_glink_rx_read_notif(struct qcom_glink *glink)
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{
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trace_qcom_glink_cmd_read_notif_rx(glink->label);
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qcom_glink_rx_advance(glink, ALIGN(sizeof(struct glink_msg), 8));
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qcom_glink_tx_kick(glink);
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}
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static void qcom_glink_handle_intent(struct qcom_glink *glink,
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unsigned int cid,
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unsigned int count,
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@ -965,7 +1034,7 @@ static void qcom_glink_handle_intent(struct qcom_glink *glink,
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};
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struct {
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struct glink_msg msg;
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struct glink_msg_hdr msg;
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struct intent_pair intents[];
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} __packed * msg;
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@ -983,6 +1052,7 @@ static void qcom_glink_handle_intent(struct qcom_glink *glink,
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channel = idr_find(&glink->rcids, cid);
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spin_unlock_irqrestore(&glink->idr_lock, flags);
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if (!channel) {
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trace_qcom_glink_cmd_intent_rx(glink->label, NULL, 0, cid, count, 0, 0);
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dev_err(glink->dev, "intents for non-existing channel\n");
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qcom_glink_rx_advance(glink, ALIGN(msglen, 8));
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return;
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@ -994,6 +1064,11 @@ static void qcom_glink_handle_intent(struct qcom_glink *glink,
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qcom_glink_rx_peek(glink, msg, 0, msglen);
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trace_qcom_glink_cmd_intent_rx(glink->label, channel->name,
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channel->lcid, cid, count,
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count > 0 ? msg->intents[0].size : 0,
|
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count > 0 ? msg->intents[0].iid : 0);
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for (i = 0; i < count; ++i) {
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intent = kzalloc(sizeof(*intent), GFP_ATOMIC);
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if (!intent)
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@ -1022,9 +1097,14 @@ static int qcom_glink_rx_open_ack(struct qcom_glink *glink, unsigned int lcid)
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{
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struct glink_channel *channel;
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|
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qcom_glink_rx_advance(glink, ALIGN(sizeof(struct glink_msg), 8));
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spin_lock(&glink->idr_lock);
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channel = idr_find(&glink->lcids, lcid);
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spin_unlock(&glink->idr_lock);
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trace_qcom_glink_cmd_open_ack_rx(glink->label, channel ? channel->name : NULL,
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lcid, channel ? channel->rcid : 0);
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if (!channel) {
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dev_err(glink->dev, "Invalid open ack packet\n");
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return -EINVAL;
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@ -1057,6 +1137,9 @@ static int qcom_glink_set_flow_control(struct rpmsg_endpoint *ept, bool pause, u
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msg.param1 = cpu_to_le16(channel->lcid);
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msg.param2 = cpu_to_le32(sigs);
|
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|
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trace_qcom_glink_cmd_signal_tx(glink->label, channel->name,
|
||||
channel->lcid, channel->rcid, sigs);
|
||||
|
||||
return qcom_glink_tx(glink, &msg, sizeof(msg), NULL, 0, true);
|
||||
}
|
||||
|
||||
@ -1067,9 +1150,14 @@ static void qcom_glink_handle_signals(struct qcom_glink *glink,
|
||||
unsigned long flags;
|
||||
bool enable;
|
||||
|
||||
qcom_glink_rx_advance(glink, ALIGN(sizeof(struct glink_msg), 8));
|
||||
|
||||
spin_lock_irqsave(&glink->idr_lock, flags);
|
||||
channel = idr_find(&glink->rcids, rcid);
|
||||
spin_unlock_irqrestore(&glink->idr_lock, flags);
|
||||
|
||||
trace_qcom_glink_cmd_signal_rx(glink->label, channel ? channel->name : NULL,
|
||||
channel ? channel->lcid : 0, rcid, sigs);
|
||||
if (!channel) {
|
||||
dev_err(glink->dev, "signal for non-existing channel\n");
|
||||
return;
|
||||
@ -1114,7 +1202,6 @@ void qcom_glink_native_rx(struct qcom_glink *glink)
|
||||
break;
|
||||
case GLINK_CMD_OPEN_ACK:
|
||||
ret = qcom_glink_rx_open_ack(glink, param1);
|
||||
qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8));
|
||||
break;
|
||||
case GLINK_CMD_OPEN:
|
||||
ret = qcom_glink_rx_defer(glink, param2);
|
||||
@ -1124,27 +1211,22 @@ void qcom_glink_native_rx(struct qcom_glink *glink)
|
||||
ret = qcom_glink_rx_data(glink, avail);
|
||||
break;
|
||||
case GLINK_CMD_READ_NOTIF:
|
||||
qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8));
|
||||
qcom_glink_tx_kick(glink);
|
||||
qcom_glink_rx_read_notif(glink);
|
||||
break;
|
||||
case GLINK_CMD_INTENT:
|
||||
qcom_glink_handle_intent(glink, param1, param2, avail);
|
||||
break;
|
||||
case GLINK_CMD_RX_DONE:
|
||||
qcom_glink_handle_rx_done(glink, param1, param2, false);
|
||||
qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8));
|
||||
break;
|
||||
case GLINK_CMD_RX_DONE_W_REUSE:
|
||||
qcom_glink_handle_rx_done(glink, param1, param2, true);
|
||||
qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8));
|
||||
break;
|
||||
case GLINK_CMD_RX_INTENT_REQ_ACK:
|
||||
qcom_glink_handle_intent_req_ack(glink, param1, param2);
|
||||
qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8));
|
||||
break;
|
||||
case GLINK_CMD_SIGNALS:
|
||||
qcom_glink_handle_signals(glink, param1, param2);
|
||||
qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8));
|
||||
break;
|
||||
default:
|
||||
dev_err(glink->dev, "unhandled rx cmd: %d\n", cmd);
|
||||
@ -1349,6 +1431,10 @@ static int qcom_glink_request_intent(struct qcom_glink *glink,
|
||||
cmd.cid = channel->lcid;
|
||||
cmd.size = size;
|
||||
|
||||
trace_qcom_glink_cmd_rx_intent_req_tx(glink->label, channel->name,
|
||||
channel->lcid, channel->rcid,
|
||||
cmd.size);
|
||||
|
||||
ret = qcom_glink_tx(glink, &cmd, sizeof(cmd), NULL, 0, true);
|
||||
if (ret)
|
||||
goto unlock;
|
||||
@ -1377,7 +1463,7 @@ static int __qcom_glink_send(struct glink_channel *channel,
|
||||
struct glink_core_rx_intent *tmp;
|
||||
int iid = 0;
|
||||
struct {
|
||||
struct glink_msg msg;
|
||||
struct glink_msg_hdr msg;
|
||||
__le32 chunk_size;
|
||||
__le32 left_size;
|
||||
} __packed req;
|
||||
@ -1429,6 +1515,12 @@ static int __qcom_glink_send(struct glink_channel *channel,
|
||||
req.chunk_size = cpu_to_le32(chunk_size);
|
||||
req.left_size = cpu_to_le32(len - offset - chunk_size);
|
||||
|
||||
trace_qcom_glink_cmd_tx_data_tx(glink->label, channel->name,
|
||||
channel->lcid, channel->rcid,
|
||||
iid, chunk_size,
|
||||
len - offset - chunk_size,
|
||||
offset > 0);
|
||||
|
||||
ret = qcom_glink_tx(glink, &req, sizeof(req), data + offset, chunk_size, wait);
|
||||
if (ret) {
|
||||
/* Mark intent available if we failed */
|
||||
@ -1544,6 +1636,8 @@ static int qcom_glink_rx_open(struct qcom_glink *glink, unsigned int rcid,
|
||||
create_device = true;
|
||||
}
|
||||
|
||||
trace_qcom_glink_cmd_open_rx(glink->label, name, channel->lcid, rcid);
|
||||
|
||||
spin_lock_irqsave(&glink->idr_lock, flags);
|
||||
ret = idr_alloc(&glink->rcids, channel, rcid, rcid + 1, GFP_ATOMIC);
|
||||
if (ret < 0) {
|
||||
@ -1605,6 +1699,9 @@ static void qcom_glink_rx_close(struct qcom_glink *glink, unsigned int rcid)
|
||||
spin_lock_irqsave(&glink->idr_lock, flags);
|
||||
channel = idr_find(&glink->rcids, rcid);
|
||||
spin_unlock_irqrestore(&glink->idr_lock, flags);
|
||||
|
||||
trace_qcom_glink_cmd_close_rx(glink->label, channel ? channel->name : NULL,
|
||||
channel ? channel->lcid : 0, rcid);
|
||||
if (WARN(!channel, "close request on unknown channel\n"))
|
||||
return;
|
||||
|
||||
@ -1620,7 +1717,7 @@ static void qcom_glink_rx_close(struct qcom_glink *glink, unsigned int rcid)
|
||||
}
|
||||
channel->rpdev = NULL;
|
||||
|
||||
qcom_glink_send_close_ack(glink, channel->rcid);
|
||||
qcom_glink_send_close_ack(glink, channel);
|
||||
|
||||
spin_lock_irqsave(&glink->idr_lock, flags);
|
||||
idr_remove(&glink->rcids, channel->rcid);
|
||||
@ -1641,6 +1738,9 @@ static void qcom_glink_rx_close_ack(struct qcom_glink *glink, unsigned int lcid)
|
||||
|
||||
spin_lock_irqsave(&glink->idr_lock, flags);
|
||||
channel = idr_find(&glink->lcids, lcid);
|
||||
|
||||
trace_qcom_glink_cmd_close_ack_rx(glink->label, channel ? channel->name : NULL,
|
||||
lcid, channel ? channel->rcid : 0);
|
||||
if (WARN(!channel, "close ack on unknown channel\n")) {
|
||||
spin_unlock_irqrestore(&glink->idr_lock, flags);
|
||||
return;
|
||||
@ -1685,7 +1785,7 @@ static void qcom_glink_work(struct work_struct *work)
|
||||
list_del(&dcmd->node);
|
||||
spin_unlock_irqrestore(&glink->rx_lock, flags);
|
||||
|
||||
msg = &dcmd->msg;
|
||||
msg = container_of(&dcmd->msg, struct glink_msg, hdr);
|
||||
cmd = le16_to_cpu(msg->cmd);
|
||||
param1 = le16_to_cpu(msg->param1);
|
||||
param2 = le32_to_cpu(msg->param2);
|
||||
@ -1815,6 +1915,10 @@ struct qcom_glink *qcom_glink_native_probe(struct device *dev,
|
||||
idr_init(&glink->lcids);
|
||||
idr_init(&glink->rcids);
|
||||
|
||||
ret = of_property_read_string(dev->of_node, "label", &glink->label);
|
||||
if (ret < 0)
|
||||
glink->label = dev->of_node->name;
|
||||
|
||||
glink->dev->groups = qcom_glink_groups;
|
||||
|
||||
ret = device_add_groups(dev, qcom_glink_groups);
|
||||
|
||||
406
drivers/rpmsg/qcom_glink_trace.h
Normal file
406
drivers/rpmsg/qcom_glink_trace.h
Normal file
@ -0,0 +1,406 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0 */
|
||||
|
||||
#undef TRACE_SYSTEM
|
||||
#define TRACE_SYSTEM qcom_glink
|
||||
|
||||
#if !defined(__QCOM_GLINK_TRACE_H__) || defined(TRACE_HEADER_MULTI_READ)
|
||||
#define __QCOM_GLINK_TRACE_H__
|
||||
|
||||
#include <linux/tracepoint.h>
|
||||
#include "qcom_glink_native.h"
|
||||
|
||||
|
||||
TRACE_EVENT(qcom_glink_cmd_version,
|
||||
TP_PROTO(const char *remote, unsigned int version, unsigned int features, bool tx),
|
||||
TP_ARGS(remote, version, features, tx),
|
||||
TP_STRUCT__entry(
|
||||
__string(remote, remote)
|
||||
__field(u32, version)
|
||||
__field(u32, features)
|
||||
__field(bool, tx)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__assign_str(remote);
|
||||
__entry->version = version;
|
||||
__entry->features = features;
|
||||
__entry->tx = tx;
|
||||
),
|
||||
TP_printk("%s remote: %s version: %u features: %#x",
|
||||
__entry->tx ? "tx" : "rx",
|
||||
__get_str(remote),
|
||||
__entry->version,
|
||||
__entry->features
|
||||
)
|
||||
);
|
||||
#define trace_qcom_glink_cmd_version_tx(...) trace_qcom_glink_cmd_version(__VA_ARGS__, true)
|
||||
#define trace_qcom_glink_cmd_version_rx(...) trace_qcom_glink_cmd_version(__VA_ARGS__, false)
|
||||
|
||||
TRACE_EVENT(qcom_glink_cmd_version_ack,
|
||||
TP_PROTO(const char *remote, unsigned int version, unsigned int features, bool tx),
|
||||
TP_ARGS(remote, version, features, tx),
|
||||
TP_STRUCT__entry(
|
||||
__string(remote, remote)
|
||||
__field(u32, version)
|
||||
__field(u32, features)
|
||||
__field(bool, tx)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__assign_str(remote);
|
||||
__entry->version = version;
|
||||
__entry->features = features;
|
||||
__entry->tx = tx;
|
||||
),
|
||||
TP_printk("%s remote: %s version: %u features: %#x",
|
||||
__entry->tx ? "tx" : "rx",
|
||||
__get_str(remote),
|
||||
__entry->version,
|
||||
__entry->features
|
||||
)
|
||||
);
|
||||
#define trace_qcom_glink_cmd_version_ack_tx(...) trace_qcom_glink_cmd_version_ack(__VA_ARGS__, true)
|
||||
#define trace_qcom_glink_cmd_version_ack_rx(...) trace_qcom_glink_cmd_version_ack(__VA_ARGS__, false)
|
||||
|
||||
TRACE_EVENT(qcom_glink_cmd_open,
|
||||
TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, bool tx),
|
||||
TP_ARGS(remote, channel, lcid, rcid, tx),
|
||||
TP_STRUCT__entry(
|
||||
__string(remote, remote)
|
||||
__string(channel, channel)
|
||||
__field(u16, lcid)
|
||||
__field(u16, rcid)
|
||||
__field(bool, tx)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__assign_str(remote);
|
||||
__assign_str(channel);
|
||||
__entry->lcid = lcid;
|
||||
__entry->rcid = rcid;
|
||||
__entry->tx = tx;
|
||||
),
|
||||
TP_printk("%s remote: %s channel: %s[%u/%u]",
|
||||
__entry->tx ? "tx" : "rx",
|
||||
__get_str(remote),
|
||||
__get_str(channel),
|
||||
__entry->lcid,
|
||||
__entry->rcid
|
||||
)
|
||||
);
|
||||
#define trace_qcom_glink_cmd_open_tx(...) trace_qcom_glink_cmd_open(__VA_ARGS__, true)
|
||||
#define trace_qcom_glink_cmd_open_rx(...) trace_qcom_glink_cmd_open(__VA_ARGS__, false)
|
||||
|
||||
TRACE_EVENT(qcom_glink_cmd_close,
|
||||
TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, bool tx),
|
||||
TP_ARGS(remote, channel, lcid, rcid, tx),
|
||||
TP_STRUCT__entry(
|
||||
__string(remote, remote)
|
||||
__string(channel, channel)
|
||||
__field(u16, lcid)
|
||||
__field(u16, rcid)
|
||||
__field(bool, tx)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__assign_str(remote);
|
||||
__assign_str(channel);
|
||||
__entry->lcid = lcid;
|
||||
__entry->rcid = rcid;
|
||||
__entry->tx = tx;
|
||||
),
|
||||
TP_printk("%s remote: %s channel: %s[%u/%u]",
|
||||
__entry->tx ? "tx" : "rx",
|
||||
__get_str(remote),
|
||||
__get_str(channel),
|
||||
__entry->lcid,
|
||||
__entry->rcid
|
||||
)
|
||||
);
|
||||
#define trace_qcom_glink_cmd_close_tx(...) trace_qcom_glink_cmd_close(__VA_ARGS__, true)
|
||||
#define trace_qcom_glink_cmd_close_rx(...) trace_qcom_glink_cmd_close(__VA_ARGS__, false)
|
||||
|
||||
TRACE_EVENT(qcom_glink_cmd_open_ack,
|
||||
TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, bool tx),
|
||||
TP_ARGS(remote, channel, lcid, rcid, tx),
|
||||
TP_STRUCT__entry(
|
||||
__string(remote, remote)
|
||||
__string(channel, channel)
|
||||
__field(u16, lcid)
|
||||
__field(u16, rcid)
|
||||
__field(bool, tx)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__assign_str(remote);
|
||||
__assign_str(channel);
|
||||
__entry->lcid = lcid;
|
||||
__entry->rcid = rcid;
|
||||
__entry->tx = tx;
|
||||
),
|
||||
TP_printk("%s remote: %s channel: %s[%u/%u]",
|
||||
__entry->tx ? "tx" : "rx",
|
||||
__get_str(remote),
|
||||
__get_str(channel),
|
||||
__entry->lcid,
|
||||
__entry->rcid
|
||||
)
|
||||
);
|
||||
#define trace_qcom_glink_cmd_open_ack_tx(...) trace_qcom_glink_cmd_open_ack(__VA_ARGS__, true)
|
||||
#define trace_qcom_glink_cmd_open_ack_rx(...) trace_qcom_glink_cmd_open_ack(__VA_ARGS__, false)
|
||||
|
||||
TRACE_EVENT(qcom_glink_cmd_intent,
|
||||
TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, size_t count, size_t size, u32 liid, bool tx),
|
||||
TP_ARGS(remote, channel, lcid, rcid, count, size, liid, tx),
|
||||
TP_STRUCT__entry(
|
||||
__string(remote, remote)
|
||||
__string(channel, channel)
|
||||
__field(u16, lcid)
|
||||
__field(u16, rcid)
|
||||
__field(u32, count)
|
||||
__field(u32, size)
|
||||
__field(u32, liid)
|
||||
__field(bool, tx)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__assign_str(remote);
|
||||
__assign_str(channel);
|
||||
__entry->lcid = lcid;
|
||||
__entry->rcid = rcid;
|
||||
__entry->count = count;
|
||||
__entry->size = size;
|
||||
__entry->liid = liid;
|
||||
__entry->tx = tx;
|
||||
),
|
||||
TP_printk("%s remote: %s channel: %s[%u/%u] count: %d [size: %d liid: %d]",
|
||||
__entry->tx ? "tx" : "rx",
|
||||
__get_str(remote),
|
||||
__get_str(channel),
|
||||
__entry->lcid,
|
||||
__entry->rcid,
|
||||
__entry->count,
|
||||
__entry->size,
|
||||
__entry->liid
|
||||
)
|
||||
);
|
||||
#define trace_qcom_glink_cmd_intent_tx(...) trace_qcom_glink_cmd_intent(__VA_ARGS__, true)
|
||||
#define trace_qcom_glink_cmd_intent_rx(...) trace_qcom_glink_cmd_intent(__VA_ARGS__, false)
|
||||
|
||||
TRACE_EVENT(qcom_glink_cmd_rx_done,
|
||||
TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, u32 iid, bool reuse, bool tx),
|
||||
TP_ARGS(remote, channel, lcid, rcid, iid, reuse, tx),
|
||||
TP_STRUCT__entry(
|
||||
__string(remote, remote)
|
||||
__string(channel, channel)
|
||||
__field(u16, lcid)
|
||||
__field(u16, rcid)
|
||||
__field(u32, iid)
|
||||
__field(bool, reuse)
|
||||
__field(bool, tx)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__assign_str(remote);
|
||||
__assign_str(channel);
|
||||
__entry->lcid = lcid;
|
||||
__entry->rcid = rcid;
|
||||
__entry->iid = iid;
|
||||
__entry->reuse = reuse;
|
||||
__entry->tx = tx;
|
||||
),
|
||||
TP_printk("%s remote: %s channel: %s[%u/%u] iid: %d reuse: %d",
|
||||
__entry->tx ? "tx" : "rx",
|
||||
__get_str(remote),
|
||||
__get_str(channel),
|
||||
__entry->lcid,
|
||||
__entry->rcid,
|
||||
__entry->iid,
|
||||
__entry->reuse
|
||||
)
|
||||
);
|
||||
#define trace_qcom_glink_cmd_rx_done_tx(...) trace_qcom_glink_cmd_rx_done(__VA_ARGS__, true)
|
||||
#define trace_qcom_glink_cmd_rx_done_rx(...) trace_qcom_glink_cmd_rx_done(__VA_ARGS__, false)
|
||||
|
||||
TRACE_EVENT(qcom_glink_cmd_rx_intent_req,
|
||||
TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, size_t size, bool tx),
|
||||
TP_ARGS(remote, channel, lcid, rcid, size, tx),
|
||||
TP_STRUCT__entry(
|
||||
__string(remote, remote)
|
||||
__string(channel, channel)
|
||||
__field(u16, lcid)
|
||||
__field(u16, rcid)
|
||||
__field(u32, size)
|
||||
__field(bool, tx)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__assign_str(remote);
|
||||
__assign_str(channel);
|
||||
__entry->lcid = lcid;
|
||||
__entry->rcid = rcid;
|
||||
__entry->size = size;
|
||||
__entry->tx = tx;
|
||||
),
|
||||
TP_printk("%s remote: %s channel: %s[%u/%u] size: %d",
|
||||
__entry->tx ? "tx" : "rx",
|
||||
__get_str(remote),
|
||||
__get_str(channel),
|
||||
__entry->lcid,
|
||||
__entry->rcid,
|
||||
__entry->size
|
||||
)
|
||||
);
|
||||
#define trace_qcom_glink_cmd_rx_intent_req_tx(...) trace_qcom_glink_cmd_rx_intent_req(__VA_ARGS__, true)
|
||||
#define trace_qcom_glink_cmd_rx_intent_req_rx(...) trace_qcom_glink_cmd_rx_intent_req(__VA_ARGS__, false)
|
||||
|
||||
TRACE_EVENT(qcom_glink_cmd_rx_intent_req_ack,
|
||||
TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, bool granted, bool tx),
|
||||
TP_ARGS(remote, channel, lcid, rcid, granted, tx),
|
||||
TP_STRUCT__entry(
|
||||
__string(remote, remote)
|
||||
__string(channel, channel)
|
||||
__field(u16, lcid)
|
||||
__field(u16, rcid)
|
||||
__field(bool, granted)
|
||||
__field(bool, tx)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__assign_str(remote);
|
||||
__assign_str(channel);
|
||||
__entry->lcid = lcid;
|
||||
__entry->rcid = rcid;
|
||||
__entry->granted = granted;
|
||||
__entry->tx = tx;
|
||||
),
|
||||
TP_printk("%s remote: %s channel: %s[%u/%u] granted: %d",
|
||||
__entry->tx ? "tx" : "rx",
|
||||
__get_str(remote),
|
||||
__get_str(channel),
|
||||
__entry->lcid,
|
||||
__entry->rcid,
|
||||
__entry->granted
|
||||
)
|
||||
);
|
||||
#define trace_qcom_glink_cmd_rx_intent_req_ack_tx(...) trace_qcom_glink_cmd_rx_intent_req_ack(__VA_ARGS__, true)
|
||||
#define trace_qcom_glink_cmd_rx_intent_req_ack_rx(...) trace_qcom_glink_cmd_rx_intent_req_ack(__VA_ARGS__, false)
|
||||
|
||||
TRACE_EVENT(qcom_glink_cmd_tx_data,
|
||||
TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, u32 iid, u32 chunk_size, u32 left_size, bool cont, bool tx),
|
||||
TP_ARGS(remote, channel, lcid, rcid, iid, chunk_size, left_size, cont, tx),
|
||||
TP_STRUCT__entry(
|
||||
__string(remote, remote)
|
||||
__string(channel, channel)
|
||||
__field(u16, lcid)
|
||||
__field(u16, rcid)
|
||||
__field(u32, iid)
|
||||
__field(u32, chunk_size)
|
||||
__field(u32, left_size)
|
||||
__field(bool, cont)
|
||||
__field(bool, tx)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__assign_str(remote);
|
||||
__assign_str(channel);
|
||||
__entry->lcid = lcid;
|
||||
__entry->rcid = rcid;
|
||||
__entry->iid = iid;
|
||||
__entry->chunk_size = chunk_size;
|
||||
__entry->left_size = left_size;
|
||||
__entry->cont = cont;
|
||||
__entry->tx = tx;
|
||||
),
|
||||
TP_printk("%s remote: %s channel: %s[%u/%u] iid: %d chunk_size: %d left_size: %d cont: %d",
|
||||
__entry->tx ? "tx" : "rx",
|
||||
__get_str(remote),
|
||||
__get_str(channel),
|
||||
__entry->lcid,
|
||||
__entry->rcid,
|
||||
__entry->iid,
|
||||
__entry->chunk_size,
|
||||
__entry->left_size,
|
||||
__entry->cont
|
||||
)
|
||||
);
|
||||
#define trace_qcom_glink_cmd_tx_data_tx(...) trace_qcom_glink_cmd_tx_data(__VA_ARGS__, true)
|
||||
#define trace_qcom_glink_cmd_tx_data_rx(...) trace_qcom_glink_cmd_tx_data(__VA_ARGS__, false)
|
||||
|
||||
TRACE_EVENT(qcom_glink_cmd_close_ack,
|
||||
TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, bool tx),
|
||||
TP_ARGS(remote, channel, lcid, rcid, tx),
|
||||
TP_STRUCT__entry(
|
||||
__string(remote, remote)
|
||||
__string(channel, channel)
|
||||
__field(u16, lcid)
|
||||
__field(u16, rcid)
|
||||
__field(bool, tx)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__assign_str(remote);
|
||||
__assign_str(channel);
|
||||
__entry->lcid = lcid;
|
||||
__entry->rcid = rcid;
|
||||
__entry->tx = tx;
|
||||
),
|
||||
TP_printk("%s remote: %s channel: %s[%u/%u]",
|
||||
__entry->tx ? "tx" : "rx",
|
||||
__get_str(remote),
|
||||
__get_str(channel),
|
||||
__entry->lcid,
|
||||
__entry->rcid
|
||||
)
|
||||
);
|
||||
#define trace_qcom_glink_cmd_close_ack_tx(...) trace_qcom_glink_cmd_close_ack(__VA_ARGS__, true)
|
||||
#define trace_qcom_glink_cmd_close_ack_rx(...) trace_qcom_glink_cmd_close_ack(__VA_ARGS__, false)
|
||||
|
||||
TRACE_EVENT(qcom_glink_cmd_read_notif,
|
||||
TP_PROTO(const char *remote, bool tx),
|
||||
TP_ARGS(remote, tx),
|
||||
TP_STRUCT__entry(
|
||||
__string(remote, remote)
|
||||
__field(bool, tx)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__assign_str(remote);
|
||||
__entry->tx = tx;
|
||||
),
|
||||
TP_printk("%s remote: %s",
|
||||
__entry->tx ? "tx" : "rx",
|
||||
__get_str(remote)
|
||||
)
|
||||
);
|
||||
#define trace_qcom_glink_cmd_read_notif_tx(...) trace_qcom_glink_cmd_read_notif(__VA_ARGS__, true)
|
||||
#define trace_qcom_glink_cmd_read_notif_rx(...) trace_qcom_glink_cmd_read_notif(__VA_ARGS__, false)
|
||||
|
||||
TRACE_EVENT(qcom_glink_cmd_signal,
|
||||
TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, unsigned int signals, bool tx),
|
||||
TP_ARGS(remote, channel, lcid, rcid, signals, tx),
|
||||
TP_STRUCT__entry(
|
||||
__string(remote, remote)
|
||||
__string(channel, channel)
|
||||
__field(u16, lcid)
|
||||
__field(u16, rcid)
|
||||
__field(u32, signals)
|
||||
__field(bool, tx)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__assign_str(remote);
|
||||
__assign_str(channel);
|
||||
__entry->lcid = lcid;
|
||||
__entry->rcid = rcid;
|
||||
__entry->signals = signals;
|
||||
__entry->tx = tx;
|
||||
),
|
||||
TP_printk("%s remote: %s channel: %s[%u/%u] signals: %#x",
|
||||
__entry->tx ? "tx" : "rx",
|
||||
__get_str(remote),
|
||||
__get_str(channel),
|
||||
__entry->lcid,
|
||||
__entry->rcid,
|
||||
__entry->signals
|
||||
)
|
||||
);
|
||||
#define trace_qcom_glink_cmd_signal_tx(...) trace_qcom_glink_cmd_signal(__VA_ARGS__, true)
|
||||
#define trace_qcom_glink_cmd_signal_rx(...) trace_qcom_glink_cmd_signal(__VA_ARGS__, false)
|
||||
|
||||
#endif
|
||||
|
||||
#undef TRACE_INCLUDE_PATH
|
||||
#define TRACE_INCLUDE_PATH .
|
||||
|
||||
#undef TRACE_INCLUDE_FILE
|
||||
#define TRACE_INCLUDE_FILE qcom_glink_trace
|
||||
|
||||
#include <trace/define_trace.h>
|
||||
Loading…
Reference in New Issue
Block a user