[PATCH v2] Bluetooth: btintel_pcie: Introduce HCI Driver protocol

[PATCH v2] Bluetooth: btintel_pcie: Introduce HCI Driver protocol

[Chethan T N]

This patch adds the infrastructure that allow the user space program to
talk to intel pcie driver directly for fetching basic driver details.

The changes introduced are referred form
commit 04425292a62c15 ("Bluetooth: Introduce HCI Driver protocol")

Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com>
---
 drivers/bluetooth/btintel_pcie.c | 59 ++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/drivers/bluetooth/btintel_pcie.c b/drivers/bluetooth/btintel_pcie.c
index b0ad3c759ef5..2936b535479f 100644
--- a/drivers/bluetooth/btintel_pcie.c
+++ b/drivers/bluetooth/btintel_pcie.c
@@ -19,6 +19,7 @@
 
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/hci_drv.h>
 
 #include "btintel.h"
 #include "btintel_pcie.h"
@@ -2360,6 +2361,63 @@ static bool btintel_pcie_wakeup(struct hci_dev *hdev)
 	return device_may_wakeup(&data->pdev->dev);
 }
 
+static const struct {
+	u16 opcode;
+	const char *desc;
+} btintel_pcie_hci_drv_supported_commands[] = {
+	/* Common commands */
+	{ HCI_DRV_OP_READ_INFO, "Read Info" },
+};
+
+static int btintel_pcie_hci_drv_read_info(struct hci_dev *hdev, void *data,
+					  u16 data_len)
+{
+	struct hci_drv_rp_read_info *rp;
+	size_t rp_size;
+	int err, i;
+	u16 opcode, num_supported_commands =
+		ARRAY_SIZE(btintel_pcie_hci_drv_supported_commands);
+
+	rp_size = sizeof(*rp) + num_supported_commands * 2;
+
+	rp = kmalloc(rp_size, GFP_KERNEL);
+	if (!rp)
+		return -ENOMEM;
+
+	strscpy_pad(rp->driver_name, KBUILD_MODNAME);
+
+	rp->num_supported_commands = cpu_to_le16(num_supported_commands);
+	for (i = 0; i < num_supported_commands; i++) {
+		opcode = btintel_pcie_hci_drv_supported_commands[i].opcode;
+		bt_dev_dbg(hdev,
+			    "Supported HCI Drv command (0x%02x|0x%04x): %s",
+			    hci_opcode_ogf(opcode),
+			    hci_opcode_ocf(opcode),
+			    btintel_pcie_hci_drv_supported_commands[i].desc);
+		rp->supported_commands[i] = cpu_to_le16(opcode);
+	}
+
+	err = hci_drv_cmd_complete(hdev, HCI_DRV_OP_READ_INFO,
+				   HCI_DRV_STATUS_SUCCESS,
+				   rp, rp_size);
+
+	kfree(rp);
+	return err;
+}
+
+static const struct hci_drv_handler btintel_pcie_hci_drv_common_handlers[] = {
+	{ btintel_pcie_hci_drv_read_info,       HCI_DRV_READ_INFO_SIZE },
+};
+
+static const struct hci_drv_handler btintel_pcie_hci_drv_specific_handlers[] = {};
+
+static struct hci_drv btintel_pcie_hci_drv = {
+	.common_handler_count   = ARRAY_SIZE(btintel_pcie_hci_drv_common_handlers),
+	.common_handlers        = btintel_pcie_hci_drv_common_handlers,
+	.specific_handler_count = ARRAY_SIZE(btintel_pcie_hci_drv_specific_handlers),
+	.specific_handlers      = btintel_pcie_hci_drv_specific_handlers,
+};
+
 static int btintel_pcie_setup_hdev(struct btintel_pcie_data *data)
 {
 	int err;
@@ -2386,6 +2444,7 @@ static int btintel_pcie_setup_hdev(struct btintel_pcie_data *data)
 	hdev->set_bdaddr = btintel_set_bdaddr;
 	hdev->reset = btintel_pcie_reset;
 	hdev->wakeup = btintel_pcie_wakeup;
+	hdev->hci_drv = &btintel_pcie_hci_drv;
 
 	err = hci_register_dev(hdev);
 	if (err < 0) {
-- 
2.34.1

RE: [v2] Bluetooth: btintel_pcie: Introduce HCI Driver protocol

[bluez.test.bot]

[-- Attachment #1: Type: text/plain, Size: 2296 bytes --]

This is automated email and please do not reply to this email!

Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=1020747

---Test result---

Test Summary:
CheckPatch                    PENDING   0.31 seconds
GitLint                       PENDING   0.25 seconds
SubjectPrefix                 PASS      0.12 seconds
BuildKernel                   PASS      24.73 seconds
CheckAllWarning               PASS      27.29 seconds
CheckSparse                   PASS      30.82 seconds
BuildKernel32                 PASS      24.74 seconds
TestRunnerSetup               PASS      494.09 seconds
TestRunner_l2cap-tester       PASS      23.50 seconds
TestRunner_iso-tester         PASS      70.41 seconds
TestRunner_bnep-tester        PASS      6.12 seconds
TestRunner_mgmt-tester        FAIL      115.98 seconds
TestRunner_rfcomm-tester      PASS      9.23 seconds
TestRunner_sco-tester         PASS      16.37 seconds
TestRunner_ioctl-tester       PASS      9.91 seconds
TestRunner_mesh-tester        FAIL      11.45 seconds
TestRunner_smp-tester         PASS      8.36 seconds
TestRunner_userchan-tester    PASS      6.47 seconds
IncrementalBuild              PENDING   0.60 seconds

Details
##############################
Test: CheckPatch - PENDING
Desc: Run checkpatch.pl script
Output:

##############################
Test: GitLint - PENDING
Desc: Run gitlint
Output:

##############################
Test: TestRunner_mgmt-tester - FAIL
Desc: Run mgmt-tester with test-runner
Output:
Total: 492, Passed: 487 (99.0%), Failed: 1, Not Run: 4

Failed Test Cases
Read Exp Feature - Success                           Failed       0.093 seconds
##############################
Test: TestRunner_mesh-tester - FAIL
Desc: Run mesh-tester with test-runner
Output:
Total: 10, Passed: 8 (80.0%), Failed: 2, Not Run: 0

Failed Test Cases
Mesh - Send cancel - 1                               Timed out    2.062 seconds
Mesh - Send cancel - 2                               Timed out    1.998 seconds
##############################
Test: IncrementalBuild - PENDING
Desc: Incremental build with the patches in the series
Output:



---
Regards,
Linux Bluetooth

Re: [PATCH v2] Bluetooth: btintel_pcie: Introduce HCI Driver protocol

[patchwork-bot+bluetooth]

Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:

On Fri,  7 Nov 2025 11:10:11 +0530 you wrote:
> This patch adds the infrastructure that allow the user space program to
> talk to intel pcie driver directly for fetching basic driver details.
> 
> The changes introduced are referred form
> commit 04425292a62c15 ("Bluetooth: Introduce HCI Driver protocol")
> 
> Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com>
> 
> [...]

Here is the summary with links:
  - [v2] Bluetooth: btintel_pcie: Introduce HCI Driver protocol
    https://git.kernel.org/bluetooth/bluetooth-next/c/395be82a59e7

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
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