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authorLinus Torvalds <torvalds@linux-foundation.org>2020-10-15 10:01:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-15 10:01:51 -0700
commit726eb70e0d34dc4bc4dada71f52bba8ed638431e (patch)
treee49674616f4513c8c6a4746a08e93c9441708d34 /include/uapi
parentc6dbef7307629cce855aa6b482b60cbf7777ed88 (diff)
parentf3277cbfba763cd2826396521b9296de67cf1bbc (diff)
Merge tag 'char-misc-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH: "Here is the big set of char, misc, and other assorted driver subsystem patches for 5.10-rc1. There's a lot of different things in here, all over the drivers/ directory. Some summaries: - soundwire driver updates - habanalabs driver updates - extcon driver updates - nitro_enclaves new driver - fsl-mc driver and core updates - mhi core and bus updates - nvmem driver updates - eeprom driver updates - binder driver updates and fixes - vbox minor bugfixes - fsi driver updates - w1 driver updates - coresight driver updates - interconnect driver updates - misc driver updates - other minor driver updates All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (396 commits) binder: fix UAF when releasing todo list docs: w1: w1_therm: Fix broken xref, mistakes, clarify text misc: Kconfig: fix a HISI_HIKEY_USB dependency LSM: Fix type of id parameter in kernel_post_load_data prototype misc: Kconfig: add a new dependency for HISI_HIKEY_USB firmware_loader: fix a kernel-doc markup w1: w1_therm: make w1_poll_completion static binder: simplify the return expression of binder_mmap test_firmware: Test partial read support firmware: Add request_partial_firmware_into_buf() firmware: Store opt_flags in fw_priv fs/kernel_file_read: Add "offset" arg for partial reads IMA: Add support for file reads without contents LSM: Add "contents" flag to kernel_read_file hook module: Call security_kernel_post_load_data() firmware_loader: Use security_post_load_data() LSM: Introduce kernel_post_load_data() hook fs/kernel_read_file: Add file_size output argument fs/kernel_read_file: Switch buffer size arg to size_t fs/kernel_read_file: Remove redundant size argument ...
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/coresight-stm.h1
-rw-r--r--include/uapi/linux/mei.h49
-rw-r--r--include/uapi/linux/nitro_enclaves.h359
-rw-r--r--include/uapi/misc/fastrpc.h5
-rw-r--r--include/uapi/misc/habanalabs.h87
5 files changed, 496 insertions, 5 deletions
diff --git a/include/uapi/linux/coresight-stm.h b/include/uapi/linux/coresight-stm.h
index 8847dbf24151..7ff3709c01b8 100644
--- a/include/uapi/linux/coresight-stm.h
+++ b/include/uapi/linux/coresight-stm.h
@@ -5,6 +5,7 @@
#include <linux/const.h>
#define STM_FLAG_TIMESTAMPED _BITUL(3)
+#define STM_FLAG_MARKED _BITUL(4)
#define STM_FLAG_GUARANTEED _BITUL(7)
/*
diff --git a/include/uapi/linux/mei.h b/include/uapi/linux/mei.h
index c6aec86cc5de..4f3638489d01 100644
--- a/include/uapi/linux/mei.h
+++ b/include/uapi/linux/mei.h
@@ -66,4 +66,53 @@ struct mei_connect_client_data {
*/
#define IOCTL_MEI_NOTIFY_GET _IOR('H', 0x03, __u32)
+/**
+ * struct mei_connect_client_vtag - mei client information struct with vtag
+ *
+ * @in_client_uuid: UUID of client to connect
+ * @vtag: virtual tag
+ * @reserved: reserved for future use
+ */
+struct mei_connect_client_vtag {
+ uuid_le in_client_uuid;
+ __u8 vtag;
+ __u8 reserved[3];
+};
+
+/**
+ * struct mei_connect_client_data_vtag - IOCTL connect data union
+ *
+ * @connect: input connect data
+ * @out_client_properties: output client data
+ */
+struct mei_connect_client_data_vtag {
+ union {
+ struct mei_connect_client_vtag connect;
+ struct mei_client out_client_properties;
+ };
+};
+
+/**
+ * DOC:
+ * This IOCTL is used to associate the current file descriptor with a
+ * FW Client (given by UUID), and virtual tag (vtag).
+ * The IOCTL opens a communication channel between a host client and
+ * a FW client on a tagged channel. From this point on, every read
+ * and write will communicate with the associated FW client with
+ * on the tagged channel.
+ * Upone close() the communication is terminated.
+ *
+ * The IOCTL argument is a struct with a union that contains
+ * the input parameter and the output parameter for this IOCTL.
+ *
+ * The input parameter is UUID of the FW Client, a vtag [0,255]
+ * The output parameter is the properties of the FW client
+ * (FW protocool version and max message size).
+ *
+ * Clients that do not support tagged connection
+ * will respond with -EOPNOTSUPP.
+ */
+#define IOCTL_MEI_CONNECT_CLIENT_VTAG \
+ _IOWR('H', 0x04, struct mei_connect_client_data_vtag)
+
#endif /* _LINUX_MEI_H */
diff --git a/include/uapi/linux/nitro_enclaves.h b/include/uapi/linux/nitro_enclaves.h
new file mode 100644
index 000000000000..b945073fe544
--- /dev/null
+++ b/include/uapi/linux/nitro_enclaves.h
@@ -0,0 +1,359 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ */
+
+#ifndef _UAPI_LINUX_NITRO_ENCLAVES_H_
+#define _UAPI_LINUX_NITRO_ENCLAVES_H_
+
+#include <linux/types.h>
+
+/**
+ * DOC: Nitro Enclaves (NE) Kernel Driver Interface
+ */
+
+/**
+ * NE_CREATE_VM - The command is used to create a slot that is associated with
+ * an enclave VM.
+ * The generated unique slot id is an output parameter.
+ * The ioctl can be invoked on the /dev/nitro_enclaves fd, before
+ * setting any resources, such as memory and vCPUs, for an
+ * enclave. Memory and vCPUs are set for the slot mapped to an enclave.
+ * A NE CPU pool has to be set before calling this function. The
+ * pool can be set after the NE driver load, using
+ * /sys/module/nitro_enclaves/parameters/ne_cpus.
+ * Its format is the detailed in the cpu-lists section:
+ * https://www.kernel.org/doc/html/latest/admin-guide/kernel-parameters.html
+ * CPU 0 and its siblings have to remain available for the
+ * primary / parent VM, so they cannot be set for enclaves. Full
+ * CPU core(s), from the same NUMA node, need(s) to be included
+ * in the CPU pool.
+ *
+ * Context: Process context.
+ * Return:
+ * * Enclave file descriptor - Enclave file descriptor used with
+ * ioctl calls to set vCPUs and memory
+ * regions, then start the enclave.
+ * * -1 - There was a failure in the ioctl logic.
+ * On failure, errno is set to:
+ * * EFAULT - copy_to_user() failure.
+ * * ENOMEM - Memory allocation failure for internal
+ * bookkeeping variables.
+ * * NE_ERR_NO_CPUS_AVAIL_IN_POOL - No NE CPU pool set / no CPUs available
+ * in the pool.
+ * * Error codes from get_unused_fd_flags() and anon_inode_getfile().
+ * * Error codes from the NE PCI device request.
+ */
+#define NE_CREATE_VM _IOR(0xAE, 0x20, __u64)
+
+/**
+ * NE_ADD_VCPU - The command is used to set a vCPU for an enclave. The vCPU can
+ * be auto-chosen from the NE CPU pool or it can be set by the
+ * caller, with the note that it needs to be available in the NE
+ * CPU pool. Full CPU core(s), from the same NUMA node, need(s) to
+ * be associated with an enclave.
+ * The vCPU id is an input / output parameter. If its value is 0,
+ * then a CPU is chosen from the enclave CPU pool and returned via
+ * this parameter.
+ * The ioctl can be invoked on the enclave fd, before an enclave
+ * is started.
+ *
+ * Context: Process context.
+ * Return:
+ * * 0 - Logic succesfully completed.
+ * * -1 - There was a failure in the ioctl logic.
+ * On failure, errno is set to:
+ * * EFAULT - copy_from_user() / copy_to_user() failure.
+ * * ENOMEM - Memory allocation failure for internal
+ * bookkeeping variables.
+ * * EIO - Current task mm is not the same as the one
+ * that created the enclave.
+ * * NE_ERR_NO_CPUS_AVAIL_IN_POOL - No CPUs available in the NE CPU pool.
+ * * NE_ERR_VCPU_ALREADY_USED - The provided vCPU is already used.
+ * * NE_ERR_VCPU_NOT_IN_CPU_POOL - The provided vCPU is not available in the
+ * NE CPU pool.
+ * * NE_ERR_VCPU_INVALID_CPU_CORE - The core id of the provided vCPU is invalid
+ * or out of range.
+ * * NE_ERR_NOT_IN_INIT_STATE - The enclave is not in init state
+ * (init = before being started).
+ * * NE_ERR_INVALID_VCPU - The provided vCPU is not in the available
+ * CPUs range.
+ * * Error codes from the NE PCI device request.
+ */
+#define NE_ADD_VCPU _IOWR(0xAE, 0x21, __u32)
+
+/**
+ * NE_GET_IMAGE_LOAD_INFO - The command is used to get information needed for
+ * in-memory enclave image loading e.g. offset in
+ * enclave memory to start placing the enclave image.
+ * The image load info is an input / output parameter.
+ * It includes info provided by the caller - flags -
+ * and returns the offset in enclave memory where to
+ * start placing the enclave image.
+ * The ioctl can be invoked on the enclave fd, before
+ * an enclave is started.
+ *
+ * Context: Process context.
+ * Return:
+ * * 0 - Logic succesfully completed.
+ * * -1 - There was a failure in the ioctl logic.
+ * On failure, errno is set to:
+ * * EFAULT - copy_from_user() / copy_to_user() failure.
+ * * NE_ERR_NOT_IN_INIT_STATE - The enclave is not in init state (init =
+ * before being started).
+ * * NE_ERR_INVALID_FLAG_VALUE - The value of the provided flag is invalid.
+ */
+#define NE_GET_IMAGE_LOAD_INFO _IOWR(0xAE, 0x22, struct ne_image_load_info)
+
+/**
+ * NE_SET_USER_MEMORY_REGION - The command is used to set a memory region for an
+ * enclave, given the allocated memory from the
+ * userspace. Enclave memory needs to be from the
+ * same NUMA node as the enclave CPUs.
+ * The user memory region is an input parameter. It
+ * includes info provided by the caller - flags,
+ * memory size and userspace address.
+ * The ioctl can be invoked on the enclave fd,
+ * before an enclave is started.
+ *
+ * Context: Process context.
+ * Return:
+ * * 0 - Logic succesfully completed.
+ * * -1 - There was a failure in the ioctl logic.
+ * On failure, errno is set to:
+ * * EFAULT - copy_from_user() failure.
+ * * EINVAL - Invalid physical memory region(s) e.g.
+ * unaligned address.
+ * * EIO - Current task mm is not the same as
+ * the one that created the enclave.
+ * * ENOMEM - Memory allocation failure for internal
+ * bookkeeping variables.
+ * * NE_ERR_NOT_IN_INIT_STATE - The enclave is not in init state
+ * (init = before being started).
+ * * NE_ERR_INVALID_MEM_REGION_SIZE - The memory size of the region is not
+ * multiple of 2 MiB.
+ * * NE_ERR_INVALID_MEM_REGION_ADDR - Invalid user space address given.
+ * * NE_ERR_UNALIGNED_MEM_REGION_ADDR - Unaligned user space address given.
+ * * NE_ERR_MEM_REGION_ALREADY_USED - The memory region is already used.
+ * * NE_ERR_MEM_NOT_HUGE_PAGE - The memory region is not backed by
+ * huge pages.
+ * * NE_ERR_MEM_DIFFERENT_NUMA_NODE - The memory region is not from the same
+ * NUMA node as the CPUs.
+ * * NE_ERR_MEM_MAX_REGIONS - The number of memory regions set for
+ * the enclave reached maximum.
+ * * NE_ERR_INVALID_PAGE_SIZE - The memory region is not backed by
+ * pages multiple of 2 MiB.
+ * * NE_ERR_INVALID_FLAG_VALUE - The value of the provided flag is invalid.
+ * * Error codes from get_user_pages().
+ * * Error codes from the NE PCI device request.
+ */
+#define NE_SET_USER_MEMORY_REGION _IOW(0xAE, 0x23, struct ne_user_memory_region)
+
+/**
+ * NE_START_ENCLAVE - The command is used to trigger enclave start after the
+ * enclave resources, such as memory and CPU, have been set.
+ * The enclave start info is an input / output parameter. It
+ * includes info provided by the caller - enclave cid and
+ * flags - and returns the cid (if input cid is 0).
+ * The ioctl can be invoked on the enclave fd, after an
+ * enclave slot is created and resources, such as memory and
+ * vCPUs are set for an enclave.
+ *
+ * Context: Process context.
+ * Return:
+ * * 0 - Logic succesfully completed.
+ * * -1 - There was a failure in the ioctl logic.
+ * On failure, errno is set to:
+ * * EFAULT - copy_from_user() / copy_to_user() failure.
+ * * NE_ERR_NOT_IN_INIT_STATE - The enclave is not in init state
+ * (init = before being started).
+ * * NE_ERR_NO_MEM_REGIONS_ADDED - No memory regions are set.
+ * * NE_ERR_NO_VCPUS_ADDED - No vCPUs are set.
+ * * NE_ERR_FULL_CORES_NOT_USED - Full core(s) not set for the enclave.
+ * * NE_ERR_ENCLAVE_MEM_MIN_SIZE - Enclave memory is less than minimum
+ * memory size (64 MiB).
+ * * NE_ERR_INVALID_FLAG_VALUE - The value of the provided flag is invalid.
+ * * NE_ERR_INVALID_ENCLAVE_CID - The provided enclave CID is invalid.
+ * * Error codes from the NE PCI device request.
+ */
+#define NE_START_ENCLAVE _IOWR(0xAE, 0x24, struct ne_enclave_start_info)
+
+/**
+ * DOC: NE specific error codes
+ */
+
+/**
+ * NE_ERR_VCPU_ALREADY_USED - The provided vCPU is already used.
+ */
+#define NE_ERR_VCPU_ALREADY_USED (256)
+/**
+ * NE_ERR_VCPU_NOT_IN_CPU_POOL - The provided vCPU is not available in the
+ * NE CPU pool.
+ */
+#define NE_ERR_VCPU_NOT_IN_CPU_POOL (257)
+/**
+ * NE_ERR_VCPU_INVALID_CPU_CORE - The core id of the provided vCPU is invalid
+ * or out of range of the NE CPU pool.
+ */
+#define NE_ERR_VCPU_INVALID_CPU_CORE (258)
+/**
+ * NE_ERR_INVALID_MEM_REGION_SIZE - The user space memory region size is not
+ * multiple of 2 MiB.
+ */
+#define NE_ERR_INVALID_MEM_REGION_SIZE (259)
+/**
+ * NE_ERR_INVALID_MEM_REGION_ADDR - The user space memory region address range
+ * is invalid.
+ */
+#define NE_ERR_INVALID_MEM_REGION_ADDR (260)
+/**
+ * NE_ERR_UNALIGNED_MEM_REGION_ADDR - The user space memory region address is
+ * not aligned.
+ */
+#define NE_ERR_UNALIGNED_MEM_REGION_ADDR (261)
+/**
+ * NE_ERR_MEM_REGION_ALREADY_USED - The user space memory region is already used.
+ */
+#define NE_ERR_MEM_REGION_ALREADY_USED (262)
+/**
+ * NE_ERR_MEM_NOT_HUGE_PAGE - The user space memory region is not backed by
+ * contiguous physical huge page(s).
+ */
+#define NE_ERR_MEM_NOT_HUGE_PAGE (263)
+/**
+ * NE_ERR_MEM_DIFFERENT_NUMA_NODE - The user space memory region is backed by
+ * pages from different NUMA nodes than the CPUs.
+ */
+#define NE_ERR_MEM_DIFFERENT_NUMA_NODE (264)
+/**
+ * NE_ERR_MEM_MAX_REGIONS - The supported max memory regions per enclaves has
+ * been reached.
+ */
+#define NE_ERR_MEM_MAX_REGIONS (265)
+/**
+ * NE_ERR_NO_MEM_REGIONS_ADDED - The command to start an enclave is triggered
+ * and no memory regions are added.
+ */
+#define NE_ERR_NO_MEM_REGIONS_ADDED (266)
+/**
+ * NE_ERR_NO_VCPUS_ADDED - The command to start an enclave is triggered and no
+ * vCPUs are added.
+ */
+#define NE_ERR_NO_VCPUS_ADDED (267)
+/**
+ * NE_ERR_ENCLAVE_MEM_MIN_SIZE - The enclave memory size is lower than the
+ * minimum supported.
+ */
+#define NE_ERR_ENCLAVE_MEM_MIN_SIZE (268)
+/**
+ * NE_ERR_FULL_CORES_NOT_USED - The command to start an enclave is triggered and
+ * full CPU cores are not set.
+ */
+#define NE_ERR_FULL_CORES_NOT_USED (269)
+/**
+ * NE_ERR_NOT_IN_INIT_STATE - The enclave is not in init state when setting
+ * resources or triggering start.
+ */
+#define NE_ERR_NOT_IN_INIT_STATE (270)
+/**
+ * NE_ERR_INVALID_VCPU - The provided vCPU is out of range of the available CPUs.
+ */
+#define NE_ERR_INVALID_VCPU (271)
+/**
+ * NE_ERR_NO_CPUS_AVAIL_IN_POOL - The command to create an enclave is triggered
+ * and no CPUs are available in the pool.
+ */
+#define NE_ERR_NO_CPUS_AVAIL_IN_POOL (272)
+/**
+ * NE_ERR_INVALID_PAGE_SIZE - The user space memory region is not backed by pages
+ * multiple of 2 MiB.
+ */
+#define NE_ERR_INVALID_PAGE_SIZE (273)
+/**
+ * NE_ERR_INVALID_FLAG_VALUE - The provided flag value is invalid.
+ */
+#define NE_ERR_INVALID_FLAG_VALUE (274)
+/**
+ * NE_ERR_INVALID_ENCLAVE_CID - The provided enclave CID is invalid, either
+ * being a well-known value or the CID of the
+ * parent / primary VM.
+ */
+#define NE_ERR_INVALID_ENCLAVE_CID (275)
+
+/**
+ * DOC: Image load info flags
+ */
+
+/**
+ * NE_EIF_IMAGE - Enclave Image Format (EIF)
+ */
+#define NE_EIF_IMAGE (0x01)
+
+#define NE_IMAGE_LOAD_MAX_FLAG_VAL (0x02)
+
+/**
+ * struct ne_image_load_info - Info necessary for in-memory enclave image
+ * loading (in / out).
+ * @flags: Flags to determine the enclave image type
+ * (e.g. Enclave Image Format - EIF) (in).
+ * @memory_offset: Offset in enclave memory where to start placing the
+ * enclave image (out).
+ */
+struct ne_image_load_info {
+ __u64 flags;
+ __u64 memory_offset;
+};
+
+/**
+ * DOC: User memory region flags
+ */
+
+/**
+ * NE_DEFAULT_MEMORY_REGION - Memory region for enclave general usage.
+ */
+#define NE_DEFAULT_MEMORY_REGION (0x00)
+
+#define NE_MEMORY_REGION_MAX_FLAG_VAL (0x01)
+
+/**
+ * struct ne_user_memory_region - Memory region to be set for an enclave (in).
+ * @flags: Flags to determine the usage for the memory region (in).
+ * @memory_size: The size, in bytes, of the memory region to be set for
+ * an enclave (in).
+ * @userspace_addr: The start address of the userspace allocated memory of
+ * the memory region to set for an enclave (in).
+ */
+struct ne_user_memory_region {
+ __u64 flags;
+ __u64 memory_size;
+ __u64 userspace_addr;
+};
+
+/**
+ * DOC: Enclave start info flags
+ */
+
+/**
+ * NE_ENCLAVE_PRODUCTION_MODE - Start enclave in production mode.
+ */
+#define NE_ENCLAVE_PRODUCTION_MODE (0x00)
+/**
+ * NE_ENCLAVE_DEBUG_MODE - Start enclave in debug mode.
+ */
+#define NE_ENCLAVE_DEBUG_MODE (0x01)
+
+#define NE_ENCLAVE_START_MAX_FLAG_VAL (0x02)
+
+/**
+ * struct ne_enclave_start_info - Setup info necessary for enclave start (in / out).
+ * @flags: Flags for the enclave to start with (e.g. debug mode) (in).
+ * @enclave_cid: Context ID (CID) for the enclave vsock device. If 0 as
+ * input, the CID is autogenerated by the hypervisor and
+ * returned back as output by the driver (in / out).
+ */
+struct ne_enclave_start_info {
+ __u64 flags;
+ __u64 enclave_cid;
+};
+
+#endif /* _UAPI_LINUX_NITRO_ENCLAVES_H_ */
diff --git a/include/uapi/misc/fastrpc.h b/include/uapi/misc/fastrpc.h
index 07de2b7aac85..0a89f95463f6 100644
--- a/include/uapi/misc/fastrpc.h
+++ b/include/uapi/misc/fastrpc.h
@@ -10,8 +10,9 @@
#define FASTRPC_IOCTL_INVOKE _IOWR('R', 3, struct fastrpc_invoke)
#define FASTRPC_IOCTL_INIT_ATTACH _IO('R', 4)
#define FASTRPC_IOCTL_INIT_CREATE _IOWR('R', 5, struct fastrpc_init_create)
-#define FASTRPC_IOCTL_MMAP _IOWR('R', 6, struct fastrpc_req_mmap)
-#define FASTRPC_IOCTL_MUNMAP _IOWR('R', 7, struct fastrpc_req_munmap)
+#define FASTRPC_IOCTL_MMAP _IOWR('R', 6, struct fastrpc_req_mmap)
+#define FASTRPC_IOCTL_MUNMAP _IOWR('R', 7, struct fastrpc_req_munmap)
+#define FASTRPC_IOCTL_INIT_ATTACH_SNS _IO('R', 8)
struct fastrpc_invoke_args {
__u64 ptr;
diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h
index d5c4f983b7a8..9705b8adb60c 100644
--- a/include/uapi/misc/habanalabs.h
+++ b/include/uapi/misc/habanalabs.h
@@ -264,6 +264,10 @@ enum hl_device_status {
* HL_INFO_TIME_SYNC - Retrieve the device's time alongside the host's time
* for synchronization.
* HL_INFO_CS_COUNTERS - Retrieve command submission counters
+ * HL_INFO_PCI_COUNTERS - Retrieve PCI counters
+ * HL_INFO_CLK_THROTTLE_REASON - Retrieve clock throttling reason
+ * HL_INFO_SYNC_MANAGER - Retrieve sync manager info per dcore
+ * HL_INFO_TOTAL_ENERGY - Retrieve total energy consumption
*/
#define HL_INFO_HW_IP_INFO 0
#define HL_INFO_HW_EVENTS 1
@@ -276,6 +280,10 @@ enum hl_device_status {
#define HL_INFO_RESET_COUNT 9
#define HL_INFO_TIME_SYNC 10
#define HL_INFO_CS_COUNTERS 11
+#define HL_INFO_PCI_COUNTERS 12
+#define HL_INFO_CLK_THROTTLE_REASON 13
+#define HL_INFO_SYNC_MANAGER 14
+#define HL_INFO_TOTAL_ENERGY 15
#define HL_INFO_VERSION_MAX_LEN 128
#define HL_INFO_CARD_NAME_MAX_LEN 16
@@ -289,7 +297,7 @@ struct hl_info_hw_ip_info {
__u32 device_id; /* PCI Device ID */
__u32 module_id; /* For mezzanine cards in servers (From OCP spec.) */
__u32 reserved[2];
- __u32 armcp_cpld_version;
+ __u32 cpld_version;
__u32 psoc_pci_pll_nr;
__u32 psoc_pci_pll_nf;
__u32 psoc_pci_pll_od;
@@ -297,7 +305,7 @@ struct hl_info_hw_ip_info {
__u8 tpc_enabled_mask;
__u8 dram_enabled;
__u8 pad[2];
- __u8 armcp_version[HL_INFO_VERSION_MAX_LEN];
+ __u8 cpucp_version[HL_INFO_VERSION_MAX_LEN];
__u8 card_name[HL_INFO_CARD_NAME_MAX_LEN];
};
@@ -313,6 +321,12 @@ struct hl_info_hw_idle {
* Bits definition is according to `enum <chip>_enging_id'.
*/
__u32 busy_engines_mask;
+
+ /*
+ * Extended Bitmask of busy engines.
+ * Bits definition is according to `enum <chip>_enging_id'.
+ */
+ __u64 busy_engines_mask_ext;
};
struct hl_info_device_status {
@@ -341,17 +355,60 @@ struct hl_info_time_sync {
};
/**
+ * struct hl_info_pci_counters - pci counters
+ * @rx_throughput: PCI rx throughput KBps
+ * @tx_throughput: PCI tx throughput KBps
+ * @replay_cnt: PCI replay counter
+ */
+struct hl_info_pci_counters {
+ __u64 rx_throughput;
+ __u64 tx_throughput;
+ __u64 replay_cnt;
+};
+
+#define HL_CLK_THROTTLE_POWER 0x1
+#define HL_CLK_THROTTLE_THERMAL 0x2
+
+/**
+ * struct hl_info_clk_throttle - clock throttling reason
+ * @clk_throttling_reason: each bit represents a clk throttling reason
+ */
+struct hl_info_clk_throttle {
+ __u32 clk_throttling_reason;
+};
+
+/**
+ * struct hl_info_energy - device energy information
+ * @total_energy_consumption: total device energy consumption
+ */
+struct hl_info_energy {
+ __u64 total_energy_consumption;
+};
+
+/**
+ * struct hl_info_sync_manager - sync manager information
+ * @first_available_sync_object: first available sob
+ * @first_available_monitor: first available monitor
+ */
+struct hl_info_sync_manager {
+ __u32 first_available_sync_object;
+ __u32 first_available_monitor;
+};
+
+/**
* struct hl_info_cs_counters - command submission counters
* @out_of_mem_drop_cnt: dropped due to memory allocation issue
* @parsing_drop_cnt: dropped due to error in packet parsing
* @queue_full_drop_cnt: dropped due to queue full
* @device_in_reset_drop_cnt: dropped due to device in reset
+ * @max_cs_in_flight_drop_cnt: dropped due to maximum CS in-flight
*/
struct hl_cs_counters {
__u64 out_of_mem_drop_cnt;
__u64 parsing_drop_cnt;
__u64 queue_full_drop_cnt;
__u64 device_in_reset_drop_cnt;
+ __u64 max_cs_in_flight_drop_cnt;
};
struct hl_info_cs_counters {
@@ -359,6 +416,13 @@ struct hl_info_cs_counters {
struct hl_cs_counters ctx_cs_counters;
};
+enum gaudi_dcores {
+ HL_GAUDI_WS_DCORE,
+ HL_GAUDI_WN_DCORE,
+ HL_GAUDI_EN_DCORE,
+ HL_GAUDI_ES_DCORE
+};
+
struct hl_info_args {
/* Location of relevant struct in userspace */
__u64 return_pointer;
@@ -375,6 +439,10 @@ struct hl_info_args {
__u32 op;
union {
+ /* Dcore id for which the information is relevant.
+ * For Gaudi refer to 'enum gaudi_dcores'
+ */
+ __u32 dcore_id;
/* Context ID - Currently not in use */
__u32 ctx_id;
/* Period value for utilization rate (100ms - 1000ms, in 100ms
@@ -394,6 +462,9 @@ struct hl_info_args {
/* 2MB minus 32 bytes for 2xMSG_PROT */
#define HL_MAX_CB_SIZE (0x200000 - 32)
+/* Indicates whether the command buffer should be mapped to the device's MMU */
+#define HL_CB_FLAGS_MAP 0x1
+
struct hl_cb_in {
/* Handle of CB or 0 if we want to create one */
__u64 cb_handle;
@@ -405,7 +476,8 @@ struct hl_cb_in {
__u32 cb_size;
/* Context ID - Currently not in use */
__u32 ctx_id;
- __u32 pad;
+ /* HL_CB_FLAGS_* */
+ __u32 flags;
};
struct hl_cb_out {
@@ -788,6 +860,12 @@ struct hl_debug_args {
* When creating a new CB, the IOCTL returns a handle of it, and the user-space
* process needs to use that handle to mmap the buffer so it can access them.
*
+ * In some instances, the device must access the command buffer through the
+ * device's MMU, and thus its memory should be mapped. In these cases, user can
+ * indicate the driver that such a mapping is required.
+ * The resulting device virtual address will be used internally by the driver,
+ * and won't be returned to user.
+ *
*/
#define HL_IOCTL_CB \
_IOWR('H', 0x02, union hl_cb_args)
@@ -846,6 +924,9 @@ struct hl_debug_args {
* inside the kernel until the CS has finished or until the user-requested
* timeout has expired.
*
+ * If the timeout value is 0, the driver won't sleep at all. It will check
+ * the status of the CS and return immediately
+ *
* The return value of the IOCTL is a standard Linux error code. The possible
* values are:
*