netdev - [RFC] [PATCH v2 09/13] wifi: ath11k: implement QRTR endpoint ID fetching for PCI

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Message-ID: <fba915367126c230964aedd619ce6c035b74565c.1732506261.git.ionic@ionic.de>
Date: Mon, 25 Nov 2024 04:50:24 +0100
From: Mihai Moldovan <ionic@...ic.de>
To: ath11k@...ts.infradead.org,
	ath12k@...ts.infradead.org,
	Kalle Valo <kvalo@...nel.org>,
	Jeff Johnson <jjohnson@...nel.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konradybcio@...nel.org>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	linux-wireless@...r.kernel.org,
	linux-arm-msm@...r.kernel.org,
	netdev@...r.kernel.org
Subject: [RFC] [PATCH v2 09/13] wifi: ath11k: implement QRTR endpoint ID fetching for PCI

QRTR endpoint ID fetching for PCIe devices will use MHI.

Signed-off-by: Mihai Moldovan <ionic@...ic.de>
---
 drivers/net/wireless/ath/ath11k/mhi.c | 22 ++++++++++++++++++++++
 drivers/net/wireless/ath/ath11k/mhi.h |  1 +
 drivers/net/wireless/ath/ath11k/pci.c |  1 +
 3 files changed, 24 insertions(+)

diff --git a/drivers/net/wireless/ath/ath11k/mhi.c b/drivers/net/wireless/ath/ath11k/mhi.c
index 6e45f464a429..0b3f9f965aee 100644
--- a/drivers/net/wireless/ath/ath11k/mhi.c
+++ b/drivers/net/wireless/ath/ath11k/mhi.c
@@ -11,6 +11,8 @@
 #include <linux/of_address.h>
 #include <linux/ioport.h>
 
+#include <net/qrtr.h>
+
 #include "core.h"
 #include "debug.h"
 #include "mhi.h"
@@ -491,3 +493,23 @@ int ath11k_mhi_resume(struct ath11k_pci *ab_pci)
 
 	return 0;
 }
+
+int ath11k_mhi_set_qrtr_endpoint_id(struct ath11k_base *ab)
+{
+	struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
+	struct ath11k_qmi *qmi = &ab->qmi;
+	int ret;
+
+	/* Pass endpoint ID up for QMI usage. */
+	ret = qrtr_endpoint_id_get_or_assign(ab_pci->mhi_ctrl,
+					     &qmi->handle.endpoint_id);
+	ath11k_dbg(ab, ATH11K_DBG_PCI,
+		   "queried mhi_ctrl QRTR endpoint ID: %u\n",
+		   qmi->handle.endpoint_id);
+	if (ret) {
+		ath11k_warn(ab, "failed to query QRTR endpoint ID: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
diff --git a/drivers/net/wireless/ath/ath11k/mhi.h b/drivers/net/wireless/ath/ath11k/mhi.h
index a682aad52fc5..84465fb5d5da 100644
--- a/drivers/net/wireless/ath/ath11k/mhi.h
+++ b/drivers/net/wireless/ath/ath11k/mhi.h
@@ -27,4 +27,5 @@ void ath11k_mhi_clear_vector(struct ath11k_base *ab);
 int ath11k_mhi_suspend(struct ath11k_pci *ar_pci);
 int ath11k_mhi_resume(struct ath11k_pci *ar_pci);
 
+int ath11k_mhi_set_qrtr_endpoint_id(struct ath11k_base *ab);
 #endif
diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c
index a6cc2a4f072d..6f3c1db11f69 100644
--- a/drivers/net/wireless/ath/ath11k/pci.c
+++ b/drivers/net/wireless/ath/ath11k/pci.c
@@ -744,6 +744,7 @@ static const struct ath11k_hif_ops ath11k_pci_hif_ops = {
 	.ce_irq_enable = ath11k_pci_hif_ce_irq_enable,
 	.ce_irq_disable = ath11k_pci_hif_ce_irq_disable,
 	.get_ce_msi_idx = ath11k_pcic_get_ce_msi_idx,
+	.set_qrtr_endpoint_id = ath11k_mhi_set_qrtr_endpoint_id,
 };
 
 static void ath11k_pci_read_hw_version(struct ath11k_base *ab, u32 *major, u32 *minor)
-- 
2.45.2