[PATCH] habanalabs: firmware returns 64bit argument

From: Oded Gabbay
Date: Sat Nov 14 2020 - 07:38:37 EST


From: Alon Mizrahi <amizrahi@xxxxxxxxx>

F/W message returns 64bit value but up until now we casted it to
a 32bit variable, instead of receiving 64bit in the first place.

Signed-off-by: Alon Mizrahi <amizrahi@xxxxxxxxx>
Reviewed-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
Signed-off-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
---
drivers/misc/habanalabs/common/debugfs.c | 5 +++-
drivers/misc/habanalabs/common/firmware_if.c | 26 ++++++++++----------
drivers/misc/habanalabs/common/habanalabs.h | 4 +--
drivers/misc/habanalabs/common/hwmon.c | 25 +++++++++++++++----
drivers/misc/habanalabs/common/sysfs.c | 10 ++++----
drivers/misc/habanalabs/gaudi/gaudi.c | 2 +-
drivers/misc/habanalabs/goya/goya.c | 6 ++---
drivers/misc/habanalabs/goya/goyaP.h | 2 +-
8 files changed, 49 insertions(+), 31 deletions(-)

diff --git a/drivers/misc/habanalabs/common/debugfs.c b/drivers/misc/habanalabs/common/debugfs.c
index 1db804de45ba..b47a62da0b41 100644
--- a/drivers/misc/habanalabs/common/debugfs.c
+++ b/drivers/misc/habanalabs/common/debugfs.c
@@ -22,6 +22,7 @@ static int hl_debugfs_i2c_read(struct hl_device *hdev, u8 i2c_bus, u8 i2c_addr,
u8 i2c_reg, long *val)
{
struct cpucp_packet pkt;
+ u64 result;
int rc;

if (!hl_device_operational(hdev, NULL))
@@ -36,7 +37,9 @@ static int hl_debugfs_i2c_read(struct hl_device *hdev, u8 i2c_bus, u8 i2c_addr,
pkt.i2c_reg = i2c_reg;

rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, val);
+ 0, &result);
+
+ *val = (long) result;

if (rc)
dev_err(hdev->dev, "Failed to read from I2C, error %d\n", rc);
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c
index e37d451e6415..8f70d0bbe5e1 100644
--- a/drivers/misc/habanalabs/common/firmware_if.c
+++ b/drivers/misc/habanalabs/common/firmware_if.c
@@ -88,7 +88,7 @@ int hl_fw_send_pci_access_msg(struct hl_device *hdev, u32 opcode)
}

int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg,
- u16 len, u32 timeout, long *result)
+ u16 len, u32 timeout, u64 *result)
{
struct cpucp_packet *pkt;
dma_addr_t pkt_dma_addr;
@@ -143,7 +143,7 @@ int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg,
>> CPUCP_PKT_CTL_OPCODE_SHIFT);
rc = -EIO;
} else if (result) {
- *result = (long) le64_to_cpu(pkt->result);
+ *result = le64_to_cpu(pkt->result);
}

out:
@@ -157,7 +157,7 @@ int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg,
int hl_fw_unmask_irq(struct hl_device *hdev, u16 event_type)
{
struct cpucp_packet pkt;
- long result;
+ u64 result;
int rc;

memset(&pkt, 0, sizeof(pkt));
@@ -180,7 +180,7 @@ int hl_fw_unmask_irq_arr(struct hl_device *hdev, const u32 *irq_arr,
{
struct cpucp_unmask_irq_arr_packet *pkt;
size_t total_pkt_size;
- long result;
+ u64 result;
int rc;

total_pkt_size = sizeof(struct cpucp_unmask_irq_arr_packet) +
@@ -219,7 +219,7 @@ int hl_fw_unmask_irq_arr(struct hl_device *hdev, const u32 *irq_arr,
int hl_fw_test_cpu_queue(struct hl_device *hdev)
{
struct cpucp_packet test_pkt = {};
- long result;
+ u64 result;
int rc;

test_pkt.ctl = cpu_to_le32(CPUCP_PACKET_TEST <<
@@ -232,7 +232,7 @@ int hl_fw_test_cpu_queue(struct hl_device *hdev)
if (!rc) {
if (result != CPUCP_PACKET_FENCE_VAL)
dev_err(hdev->dev,
- "CPU queue test failed (0x%08lX)\n", result);
+ "CPU queue test failed (%#08llx)\n", result);
} else {
dev_err(hdev->dev, "CPU queue test failed, error %d\n", rc);
}
@@ -263,7 +263,7 @@ void hl_fw_cpu_accessible_dma_pool_free(struct hl_device *hdev, size_t size,
int hl_fw_send_heartbeat(struct hl_device *hdev)
{
struct cpucp_packet hb_pkt = {};
- long result;
+ u64 result;
int rc;

hb_pkt.ctl = cpu_to_le32(CPUCP_PACKET_TEST <<
@@ -285,7 +285,7 @@ int hl_fw_cpucp_info_get(struct hl_device *hdev)
struct cpucp_packet pkt = {};
void *cpucp_info_cpu_addr;
dma_addr_t cpucp_info_dma_addr;
- long result;
+ u64 result;
int rc;

cpucp_info_cpu_addr =
@@ -336,7 +336,7 @@ int hl_fw_get_eeprom_data(struct hl_device *hdev, void *data, size_t max_size)
struct cpucp_packet pkt = {};
void *eeprom_info_cpu_addr;
dma_addr_t eeprom_info_dma_addr;
- long result;
+ u64 result;
int rc;

eeprom_info_cpu_addr =
@@ -379,7 +379,7 @@ int hl_fw_cpucp_pci_counters_get(struct hl_device *hdev,
struct hl_info_pci_counters *counters)
{
struct cpucp_packet pkt = {};
- long result;
+ u64 result;
int rc;

pkt.ctl = cpu_to_le32(CPUCP_PACKET_PCIE_THROUGHPUT_GET <<
@@ -426,7 +426,7 @@ int hl_fw_cpucp_pci_counters_get(struct hl_device *hdev,
int hl_fw_cpucp_total_energy_get(struct hl_device *hdev, u64 *total_energy)
{
struct cpucp_packet pkt = {};
- long result;
+ u64 result;
int rc;

pkt.ctl = cpu_to_le32(CPUCP_PACKET_TOTAL_ENERGY_GET <<
@@ -452,7 +452,7 @@ int hl_fw_cpucp_pll_info_get(struct hl_device *hdev,
u32 *pll_info)
{
struct cpucp_packet pkt;
- long result;
+ u64 result;
int rc;

memset(&pkt, 0, sizeof(pkt));
@@ -467,7 +467,7 @@ int hl_fw_cpucp_pll_info_get(struct hl_device *hdev,
if (rc)
dev_err(hdev->dev, "Failed to read PLL info, error %d\n", rc);

- *pll_info = result;
+ *pll_info = (u32) result;

return rc;
}
diff --git a/drivers/misc/habanalabs/common/habanalabs.h b/drivers/misc/habanalabs/common/habanalabs.h
index b8ad5bfa6359..43aa8cbd8969 100644
--- a/drivers/misc/habanalabs/common/habanalabs.h
+++ b/drivers/misc/habanalabs/common/habanalabs.h
@@ -925,7 +925,7 @@ struct hl_asic_funcs {
int (*get_eeprom_data)(struct hl_device *hdev, void *data,
size_t max_size);
int (*send_cpu_message)(struct hl_device *hdev, u32 *msg,
- u16 len, u32 timeout, long *result);
+ u16 len, u32 timeout, u64 *result);
int (*pci_bars_map)(struct hl_device *hdev);
int (*init_iatu)(struct hl_device *hdev);
u32 (*rreg)(struct hl_device *hdev, u32 reg);
@@ -2178,7 +2178,7 @@ int hl_fw_load_fw_to_device(struct hl_device *hdev, const char *fw_name,
void __iomem *dst, u32 src_offset, u32 size);
int hl_fw_send_pci_access_msg(struct hl_device *hdev, u32 opcode);
int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg,
- u16 len, u32 timeout, long *result);
+ u16 len, u32 timeout, u64 *result);
int hl_fw_unmask_irq(struct hl_device *hdev, u16 event_type);
int hl_fw_unmask_irq_arr(struct hl_device *hdev, const u32 *irq_arr,
size_t irq_arr_size);
diff --git a/drivers/misc/habanalabs/common/hwmon.c b/drivers/misc/habanalabs/common/hwmon.c
index ab96401c3752..6b421d76b311 100644
--- a/drivers/misc/habanalabs/common/hwmon.c
+++ b/drivers/misc/habanalabs/common/hwmon.c
@@ -312,6 +312,7 @@ int hl_get_temperature(struct hl_device *hdev,
int sensor_index, u32 attr, long *value)
{
struct cpucp_packet pkt;
+ u64 result;
int rc;

memset(&pkt, 0, sizeof(pkt));
@@ -322,7 +323,9 @@ int hl_get_temperature(struct hl_device *hdev,
pkt.type = __cpu_to_le16(attr);

rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, value);
+ 0, &result);
+
+ *value = (long) result;

if (rc) {
dev_err(hdev->dev,
@@ -363,6 +366,7 @@ int hl_get_voltage(struct hl_device *hdev,
int sensor_index, u32 attr, long *value)
{
struct cpucp_packet pkt;
+ u64 result;
int rc;

memset(&pkt, 0, sizeof(pkt));
@@ -373,7 +377,9 @@ int hl_get_voltage(struct hl_device *hdev,
pkt.type = __cpu_to_le16(attr);

rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, value);
+ 0, &result);
+
+ *value = (long) result;

if (rc) {
dev_err(hdev->dev,
@@ -389,6 +395,7 @@ int hl_get_current(struct hl_device *hdev,
int sensor_index, u32 attr, long *value)
{
struct cpucp_packet pkt;
+ u64 result;
int rc;

memset(&pkt, 0, sizeof(pkt));
@@ -399,7 +406,9 @@ int hl_get_current(struct hl_device *hdev,
pkt.type = __cpu_to_le16(attr);

rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, value);
+ 0, &result);
+
+ *value = (long) result;

if (rc) {
dev_err(hdev->dev,
@@ -415,6 +424,7 @@ int hl_get_fan_speed(struct hl_device *hdev,
int sensor_index, u32 attr, long *value)
{
struct cpucp_packet pkt;
+ u64 result;
int rc;

memset(&pkt, 0, sizeof(pkt));
@@ -425,7 +435,9 @@ int hl_get_fan_speed(struct hl_device *hdev,
pkt.type = __cpu_to_le16(attr);

rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, value);
+ 0, &result);
+
+ *value = (long) result;

if (rc) {
dev_err(hdev->dev,
@@ -441,6 +453,7 @@ int hl_get_pwm_info(struct hl_device *hdev,
int sensor_index, u32 attr, long *value)
{
struct cpucp_packet pkt;
+ u64 result;
int rc;

memset(&pkt, 0, sizeof(pkt));
@@ -451,7 +464,9 @@ int hl_get_pwm_info(struct hl_device *hdev,
pkt.type = __cpu_to_le16(attr);

rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, value);
+ 0, &result);
+
+ *value = (long) result;

if (rc) {
dev_err(hdev->dev,
diff --git a/drivers/misc/habanalabs/common/sysfs.c b/drivers/misc/habanalabs/common/sysfs.c
index 94ca68e62000..4366d8f93842 100644
--- a/drivers/misc/habanalabs/common/sysfs.c
+++ b/drivers/misc/habanalabs/common/sysfs.c
@@ -12,7 +12,7 @@
long hl_get_frequency(struct hl_device *hdev, u32 pll_index, bool curr)
{
struct cpucp_packet pkt;
- long result;
+ u64 result;
int rc;

memset(&pkt, 0, sizeof(pkt));
@@ -32,10 +32,10 @@ long hl_get_frequency(struct hl_device *hdev, u32 pll_index, bool curr)
dev_err(hdev->dev,
"Failed to get frequency of PLL %d, error %d\n",
pll_index, rc);
- result = rc;
+ return rc;
}

- return result;
+ return (long) result;
}

void hl_set_frequency(struct hl_device *hdev, u32 pll_index, u64 freq)
@@ -62,7 +62,7 @@ void hl_set_frequency(struct hl_device *hdev, u32 pll_index, u64 freq)
u64 hl_get_max_power(struct hl_device *hdev)
{
struct cpucp_packet pkt;
- long result;
+ u64 result;
int rc;

memset(&pkt, 0, sizeof(pkt));
@@ -75,7 +75,7 @@ u64 hl_get_max_power(struct hl_device *hdev)

if (rc) {
dev_err(hdev->dev, "Failed to get max power, error %d\n", rc);
- result = rc;
+ return (u64) rc;
}

return result;
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index f1b8d20cf2ce..9c9df5f020a6 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -4572,7 +4572,7 @@ static void *gaudi_get_int_queue_base(struct hl_device *hdev,
}

static int gaudi_send_cpu_message(struct hl_device *hdev, u32 *msg,
- u16 len, u32 timeout, long *result)
+ u16 len, u32 timeout, u64 *result)
{
struct gaudi_device *gaudi = hdev->asic_specific;

diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index 3398b4cc1298..55d174d3cac8 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/drivers/misc/habanalabs/goya/goya.c
@@ -2954,7 +2954,7 @@ static int goya_send_job_on_qman0(struct hl_device *hdev, struct hl_cs_job *job)
}

int goya_send_cpu_message(struct hl_device *hdev, u32 *msg, u16 len,
- u32 timeout, long *result)
+ u32 timeout, u64 *result)
{
struct goya_device *goya = hdev->asic_specific;

@@ -4540,7 +4540,7 @@ static int goya_unmask_irq_arr(struct hl_device *hdev, u32 *irq_arr,
{
struct cpucp_unmask_irq_arr_packet *pkt;
size_t total_pkt_size;
- long result;
+ u64 result;
int rc;
int irq_num_entries, irq_arr_index;
__le32 *goya_irq_arr;
@@ -4599,7 +4599,7 @@ static int goya_soft_reset_late_init(struct hl_device *hdev)
static int goya_unmask_irq(struct hl_device *hdev, u16 event_type)
{
struct cpucp_packet pkt;
- long result;
+ u64 result;
int rc;

memset(&pkt, 0, sizeof(pkt));
diff --git a/drivers/misc/habanalabs/goya/goyaP.h b/drivers/misc/habanalabs/goya/goyaP.h
index ef4298f84a0a..8b3408211af6 100644
--- a/drivers/misc/habanalabs/goya/goyaP.h
+++ b/drivers/misc/habanalabs/goya/goyaP.h
@@ -192,7 +192,7 @@ int goya_test_queue(struct hl_device *hdev, u32 hw_queue_id);
int goya_test_queues(struct hl_device *hdev);
int goya_test_cpu_queue(struct hl_device *hdev);
int goya_send_cpu_message(struct hl_device *hdev, u32 *msg, u16 len,
- u32 timeout, long *result);
+ u32 timeout, u64 *result);

long goya_get_temperature(struct hl_device *hdev, int sensor_index, u32 attr);
long goya_get_voltage(struct hl_device *hdev, int sensor_index, u32 attr);
--
2.17.1