diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-10-31 17:53:00 -1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-10-31 17:53:00 -1000 |
| commit | 59fff63cc2b75dcfe08f9eeb4b2187d73e53843d (patch) | |
| tree | ec74d583e9e90699e915f06b84b210a4f5217312 /drivers | |
| parent | 3475b91ff258b998b891964e8c263cff48384c01 (diff) | |
| parent | 94ace9eda88229c73698b8dd8d3c06dd0831319c (diff) | |
Merge tag 'platform-drivers-x86-v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Ilpo Järvinen:
- asus-wmi: Support for screenpad and solve brightness key press
duplication
- int3472: Eliminate the last use of deprecated GPIO functions
- mlxbf-pmc: New HW support
- msi-ec: Support new EC configurations
- thinkpad_acpi: Support reading aux MAC address during passthrough
- wmi: Fixes & improvements
- x86-android-tablets: Detection fix and avoid use of GPIO private APIs
- Debug & metrics interface improvements
- Miscellaneous cleanups / fixes / improvements
* tag 'platform-drivers-x86-v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (80 commits)
platform/x86: inspur-platform-profile: Add platform profile support
platform/x86: thinkpad_acpi: Add battery quirk for Thinkpad X120e
platform/x86: wmi: Decouple WMI device removal from wmi_block_list
platform/x86: wmi: Fix opening of char device
platform/x86: wmi: Fix probe failure when failing to register WMI devices
platform/x86: wmi: Fix refcounting of WMI devices in legacy functions
platform/x86: wmi: Decouple probe deferring from wmi_block_list
platform/x86/amd/hsmp: Fix iomem handling
platform/x86: asus-wmi: Do not report brightness up/down keys when also reported by acpi_video
platform/x86: thinkpad_acpi: replace deprecated strncpy with memcpy
tools/power/x86/intel-speed-select: v1.18 release
tools/power/x86/intel-speed-select: Use cgroup isolate for CPU 0
tools/power/x86/intel-speed-select: Increase max CPUs in one request
tools/power/x86/intel-speed-select: Display error for core-power support
tools/power/x86/intel-speed-select: No TRL for non compute domains
tools/power/x86/intel-speed-select: turbo-mode enable disable swapped
tools/power/x86/intel-speed-select: Update help for TRL
tools/power/x86/intel-speed-select: Sanitize integer arguments
platform/x86: acer-wmi: Remove void function return
platform/x86/amd/pmc: Add dump_custom_stb module parameter
...
Diffstat (limited to 'drivers')
50 files changed, 2677 insertions, 435 deletions
diff --git a/drivers/platform/mellanox/mlxbf-bootctl.c b/drivers/platform/mellanox/mlxbf-bootctl.c index 4ee7bb431b7c..1ac7dab22c63 100644 --- a/drivers/platform/mellanox/mlxbf-bootctl.c +++ b/drivers/platform/mellanox/mlxbf-bootctl.c @@ -1028,17 +1028,15 @@ static int mlxbf_bootctl_probe(struct platform_device *pdev) return ret; } -static int mlxbf_bootctl_remove(struct platform_device *pdev) +static void mlxbf_bootctl_remove(struct platform_device *pdev) { sysfs_remove_bin_file(&pdev->dev.kobj, &mlxbf_bootctl_bootfifo_sysfs_attr); - - return 0; } static struct platform_driver mlxbf_bootctl_driver = { .probe = mlxbf_bootctl_probe, - .remove = mlxbf_bootctl_remove, + .remove_new = mlxbf_bootctl_remove, .driver = { .name = "mlxbf-bootctl", .dev_groups = mlxbf_bootctl_groups, diff --git a/drivers/platform/mellanox/mlxbf-pmc.c b/drivers/platform/mellanox/mlxbf-pmc.c index 2d4bbe99959e..0b427fc24a96 100644 --- a/drivers/platform/mellanox/mlxbf-pmc.c +++ b/drivers/platform/mellanox/mlxbf-pmc.c @@ -30,14 +30,16 @@ #define MLXBF_PMC_EVENT_SET_BF1 0 #define MLXBF_PMC_EVENT_SET_BF2 1 +#define MLXBF_PMC_EVENT_SET_BF3 2 #define MLXBF_PMC_EVENT_INFO_LEN 100 #define MLXBF_PMC_MAX_BLOCKS 30 -#define MLXBF_PMC_MAX_ATTRS 30 +#define MLXBF_PMC_MAX_ATTRS 70 #define MLXBF_PMC_INFO_SZ 4 #define MLXBF_PMC_REG_SIZE 8 #define MLXBF_PMC_L3C_REG_SIZE 4 +#define MLXBF_PMC_TYPE_CRSPACE 2 #define MLXBF_PMC_TYPE_COUNTER 1 #define MLXBF_PMC_TYPE_REGISTER 0 @@ -78,6 +80,16 @@ #define MLXBF_PMC_L3C_PERF_CNT_LOW_VAL GENMASK(31, 0) #define MLXBF_PMC_L3C_PERF_CNT_HIGH_VAL GENMASK(24, 0) +#define MLXBF_PMC_CRSPACE_PERFMON_REG0 0x0 +#define MLXBF_PMC_CRSPACE_PERFSEL_SZ 4 +#define MLXBF_PMC_CRSPACE_PERFSEL0 GENMASK(23, 16) +#define MLXBF_PMC_CRSPACE_PERFSEL1 GENMASK(7, 0) +#define MLXBF_PMC_CRSPACE_PERFMON_REG0_SZ 0x2 +#define MLXBF_PMC_CRSPACE_PERFMON_CTL(n) (n * MLXBF_PMC_CRSPACE_PERFMON_REG0_SZ) +#define MLXBF_PMC_CRSPACE_PERFMON_EN BIT(30) +#define MLXBF_PMC_CRSPACE_PERFMON_CLR BIT(28) +#define MLXBF_PMC_CRSPACE_PERFMON_VAL0(n) (MLXBF_PMC_CRSPACE_PERFMON_CTL(n) + 0xc) + /** * struct mlxbf_pmc_attribute - Structure to hold attribute and block info * for each sysfs entry @@ -124,6 +136,9 @@ struct mlxbf_pmc_block_info { * @pdev: The kernel structure representing the device * @total_blocks: Total number of blocks * @tile_count: Number of tiles in the system + * @llt_enable: Info on enabled LLTs + * @mss_enable: Info on enabled MSSs + * @group_num: Group number assigned to each valid block * @hwmon_dev: Hwmon device for bfperf * @block_name: Block name * @block: Block info @@ -136,6 +151,9 @@ struct mlxbf_pmc_context { struct platform_device *pdev; uint32_t total_blocks; uint32_t tile_count; + uint8_t llt_enable; + uint8_t mss_enable; + uint32_t group_num; struct device *hwmon_dev; const char *block_name[MLXBF_PMC_MAX_BLOCKS]; struct mlxbf_pmc_block_info block[MLXBF_PMC_MAX_BLOCKS]; @@ -260,7 +278,7 @@ static const struct mlxbf_pmc_events mlxbf_pmc_ecc_events[] = { { 0x348, "DRAM_ECC_ERROR" }, }; -static const struct mlxbf_pmc_events mlxbf_pmc_mss_events[] = { +static const struct mlxbf_pmc_events mlxbf_pmc_mss_events_1[] = { { 0x0, "DISABLE" }, { 0xc0, "RXREQ_MSS" }, { 0xc1, "RXDAT_MSS" }, @@ -268,6 +286,164 @@ static const struct mlxbf_pmc_events mlxbf_pmc_mss_events[] = { { 0xc3, "TXDAT_MSS" }, }; +static const struct mlxbf_pmc_events mlxbf_pmc_mss_events_3[] = { + {0, "SKYLIB_CDN_TX_FLITS"}, + {1, "SKYLIB_DDN_TX_FLITS"}, + {2, "SKYLIB_NDN_TX_FLITS"}, + {3, "SKYLIB_SDN_TX_FLITS"}, + {4, "SKYLIB_UDN_TX_FLITS"}, + {5, "SKYLIB_CDN_RX_FLITS"}, + {6, "SKYLIB_DDN_RX_FLITS"}, + {7, "SKYLIB_NDN_RX_FLITS"}, + {8, "SKYLIB_SDN_RX_FLITS"}, + {9, "SKYLIB_UDN_RX_FLITS"}, + {10, "SKYLIB_CDN_TX_STALL"}, + {11, "SKYLIB_DDN_TX_STALL"}, + {12, "SKYLIB_NDN_TX_STALL"}, + {13, "SKYLIB_SDN_TX_STALL"}, + {14, "SKYLIB_UDN_TX_STALL"}, + {15, "SKYLIB_CDN_RX_STALL"}, + {16, "SKYLIB_DDN_RX_STALL"}, + {17, "SKYLIB_NDN_RX_STALL"}, + {18, "SKYLIB_SDN_RX_STALL"}, + {19, "SKYLIB_UDN_RX_STALL"}, + {20, "SKYLIB_CHI_REQ0_TX_FLITS"}, + {21, "SKYLIB_CHI_DATA0_TX_FLITS"}, + {22, "SKYLIB_CHI_RESP0_TX_FLITS"}, + {23, "SKYLIB_CHI_SNP0_TX_FLITS"}, + {24, "SKYLIB_CHI_REQ1_TX_FLITS"}, + {25, "SKYLIB_CHI_DATA1_TX_FLITS"}, + {26, "SKYLIB_CHI_RESP1_TX_FLITS"}, + {27, "SKYLIB_CHI_SNP1_TX_FLITS"}, + {28, "SKYLIB_CHI_REQ2_TX_FLITS"}, + {29, "SKYLIB_CHI_DATA2_TX_FLITS"}, + {30, "SKYLIB_CHI_RESP2_TX_FLITS"}, + {31, "SKYLIB_CHI_SNP2_TX_FLITS"}, + {32, "SKYLIB_CHI_REQ3_TX_FLITS"}, + {33, "SKYLIB_CHI_DATA3_TX_FLITS"}, + {34, "SKYLIB_CHI_RESP3_TX_FLITS"}, + {35, "SKYLIB_CHI_SNP3_TX_FLITS"}, + {36, "SKYLIB_TLP_REQ_TX_FLITS"}, + {37, "SKYLIB_TLP_RESP_TX_FLITS"}, + {38, "SKYLIB_TLP_META_TX_FLITS"}, + {39, "SKYLIB_AXIS_DATA_TX_FLITS"}, + {40, "SKYLIB_AXIS_CRED_TX_FLITS"}, + {41, "SKYLIB_APB_TX_FLITS"}, + {42, "SKYLIB_VW_TX_FLITS"}, + {43, "SKYLIB_GGA_MSN_W_TX_FLITS"}, + {44, "SKYLIB_GGA_MSN_N_TX_FLITS"}, + {45, "SKYLIB_CR_REQ_TX_FLITS"}, + {46, "SKYLIB_CR_RESP_TX_FLITS"}, + {47, "SKYLIB_MSN_PRNF_TX_FLITS"}, + {48, "SKYLIB_DBG_DATA_TX_FLITS"}, + {49, "SKYLIB_DBG_CRED_TX_FLITS"}, + {50, "SKYLIB_CHI_REQ0_RX_FLITS"}, + {51, "SKYLIB_CHI_DATA0_RX_FLITS"}, + {52, "SKYLIB_CHI_RESP0_RX_FLITS"}, + {53, "SKYLIB_CHI_SNP0_RX_FLITS"}, + {54, "SKYLIB_CHI_REQ1_RX_FLITS"}, + {55, "SKYLIB_CHI_DATA1_RX_FLITS"}, + {56, "SKYLIB_CHI_RESP1_RX_FLITS"}, + {57, "SKYLIB_CHI_SNP1_RX_FLITS"}, + {58, "SKYLIB_CHI_REQ2_RX_FLITS"}, + {59, "SKYLIB_CHI_DATA2_RX_FLITS"}, + {60, "SKYLIB_CHI_RESP2_RX_FLITS"}, + {61, "SKYLIB_CHI_SNP2_RX_FLITS"}, + {62, "SKYLIB_CHI_REQ3_RX_FLITS"}, + {63, "SKYLIB_CHI_DATA3_RX_FLITS"}, + {64, "SKYLIB_CHI_RESP3_RX_FLITS"}, + {65, "SKYLIB_CHI_SNP3_RX_FLITS"}, + {66, "SKYLIB_TLP_REQ_RX_FLITS"}, + {67, "SKYLIB_TLP_RESP_RX_FLITS"}, + {68, "SKYLIB_TLP_META_RX_FLITS"}, + {69, "SKYLIB_AXIS_DATA_RX_FLITS"}, + {70, "SKYLIB_AXIS_CRED_RX_FLITS"}, + {71, "SKYLIB_APB_RX_FLITS"}, + {72, "SKYLIB_VW_RX_FLITS"}, + {73, "SKYLIB_GGA_MSN_W_RX_FLITS"}, + {74, "SKYLIB_GGA_MSN_N_RX_FLITS"}, + {75, "SKYLIB_CR_REQ_RX_FLITS"}, + {76, "SKYLIB_CR_RESP_RX_FLITS"}, + {77, "SKYLIB_MSN_PRNF_RX_FLITS"}, + {78, "SKYLIB_DBG_DATA_RX_FLITS"}, + {79, "SKYLIB_DBG_CRED_RX_FLITS"}, + {80, "SKYLIB_CHI_REQ0_TX_STALL"}, + {81, "SKYLIB_CHI_DATA0_TX_STALL"}, + {82, "SKYLIB_CHI_RESP0_TX_STALL"}, + {83, "SKYLIB_CHI_SNP0_TX_STALL"}, + {84, "SKYLIB_CHI_REQ1_TX_STALL"}, + {85, "SKYLIB_CHI_DATA1_TX_STALL"}, + {86, "SKYLIB_CHI_RESP1_TX_STALL"}, + {87, "SKYLIB_CHI_SNP1_TX_STALL"}, + {88, "SKYLIB_CHI_REQ2_TX_STALL"}, + {89, "SKYLIB_CHI_DATA2_TX_STALL"}, + {90, "SKYLIB_CHI_RESP2_TX_STALL"}, + {91, "SKYLIB_CHI_SNP2_TX_STALL"}, + {92, "SKYLIB_CHI_REQ3_TX_STALL"}, + {93, "SKYLIB_CHI_DATA3_TX_STALL"}, + {94, "SKYLIB_CHI_RESP3_TX_STALL"}, + {95, "SKYLIB_CHI_SNP3_TX_STALL"}, + {96, "SKYLIB_TLP_REQ_TX_STALL"}, + {97, "SKYLIB_TLP_RESP_TX_STALL"}, + {98, "SKYLIB_TLP_META_TX_STALL"}, + {99, "SKYLIB_AXIS_DATA_TX_STALL"}, + {100, "SKYLIB_AXIS_CRED_TX_STALL"}, + {101, "SKYLIB_APB_TX_STALL"}, + {102, "SKYLIB_VW_TX_STALL"}, + {103, "SKYLIB_GGA_MSN_W_TX_STALL"}, + {104, "SKYLIB_GGA_MSN_N_TX_STALL"}, + {105, "SKYLIB_CR_REQ_TX_STALL"}, + {106, "SKYLIB_CR_RESP_TX_STALL"}, + {107, "SKYLIB_MSN_PRNF_TX_STALL"}, + {108, "SKYLIB_DBG_DATA_TX_STALL"}, + {109, "SKYLIB_DBG_CRED_TX_STALL"}, + {110, "SKYLIB_CHI_REQ0_RX_STALL"}, + {111, "SKYLIB_CHI_DATA0_RX_STALL"}, + {112, "SKYLIB_CHI_RESP0_RX_STALL"}, + {113, "SKYLIB_CHI_SNP0_RX_STALL"}, + {114, "SKYLIB_CHI_REQ1_RX_STALL"}, + {115, "SKYLIB_CHI_DATA1_RX_STALL"}, + {116, "SKYLIB_CHI_RESP1_RX_STALL"}, + {117, "SKYLIB_CHI_SNP1_RX_STALL"}, + {118, "SKYLIB_CHI_REQ2_RX_STALL"}, + {119, "SKYLIB_CHI_DATA2_RX_STALL"}, + {120, "SKYLIB_CHI_RESP2_RX_STALL"}, + {121, "SKYLIB_CHI_SNP2_RX_STALL"}, + {122, "SKYLIB_CHI_REQ3_RX_STALL"}, + {123, "SKYLIB_CHI_DATA3_RX_STALL"}, + {124, "SKYLIB_CHI_RESP3_RX_STALL"}, + {125, "SKYLIB_CHI_SNP3_RX_STALL"}, + {126, "SKYLIB_TLP_REQ_RX_STALL"}, + {127, "SKYLIB_TLP_RESP_RX_STALL"}, + {128, "SKYLIB_TLP_META_RX_STALL"}, + {129, "SKYLIB_AXIS_DATA_RX_STALL"}, + {130, "SKYLIB_AXIS_CRED_RX_STALL"}, + {131, "SKYLIB_APB_RX_STALL"}, + {132, "SKYLIB_VW_RX_STALL"}, + {133, "SKYLIB_GGA_MSN_W_RX_STALL"}, + {134, "SKYLIB_GGA_MSN_N_RX_STALL"}, + {135, "SKYLIB_CR_REQ_RX_STALL"}, + {136, "SKYLIB_CR_RESP_RX_STALL"}, + {137, "SKYLIB_MSN_PRNF_RX_STALL"}, + {138, "SKYLIB_DBG_DATA_RX_STALL"}, + {139, "SKYLIB_DBG_CRED_RX_STALL"}, + {140, "SKYLIB_CDN_LOOPBACK_FLITS"}, + {141, "SKYLIB_DDN_LOOPBACK_FLITS"}, + {142, "SKYLIB_NDN_LOOPBACK_FLITS"}, + {143, "SKYLIB_SDN_LOOPBACK_FLITS"}, + {144, "SKYLIB_UDN_LOOPBACK_FLITS"}, + {145, "HISTOGRAM_HISTOGRAM_BIN0"}, + {146, "HISTOGRAM_HISTOGRAM_BIN1"}, + {147, "HISTOGRAM_HISTOGRAM_BIN2"}, + {148, "HISTOGRAM_HISTOGRAM_BIN3"}, + {149, "HISTOGRAM_HISTOGRAM_BIN4"}, + {150, "HISTOGRAM_HISTOGRAM_BIN5"}, + {151, "HISTOGRAM_HISTOGRAM_BIN6"}, + {152, "HISTOGRAM_HISTOGRAM_BIN7"}, + {153, "HISTOGRAM_HISTOGRAM_BIN8"}, + {154, "HISTOGRAM_HISTOGRAM_BIN9"}, +}; + static const struct mlxbf_pmc_events mlxbf_pmc_hnf_events[] = { { 0x0, "DISABLE" }, { 0x45, "HNF_REQUESTS" }, @@ -429,6 +605,260 @@ static const struct mlxbf_pmc_events mlxbf_pmc_l3c_events[] = { { 0x2b, "ANY_REJECT_BANK1" }, }; +static const struct mlxbf_pmc_events mlxbf_pmc_llt_events[] = { + {0, "HNF0_CYCLES"}, + {1, "HNF0_REQS_RECEIVED"}, + {2, "HNF0_REQS_PROCESSED"}, + {3, "HNF0_DIR_HIT"}, + {4, "HNF0_DIR_MISS"}, + {5, "HNF0_DIR_RD_ALLOC"}, + {6, "HNF0_DIR_WR_ALLOC"}, + {7, "HNF0_DIR_VICTIM"}, + {8, "HNF0_CL_HAZARD"}, + {9, "HNF0_ALL_HAZARD"}, + {10, "HNF0_PIPE_STALLS"}, + {11, "HNF0_MEM_READS"}, + {12, "HNF0_MEM_WRITES"}, + {13, "HNF0_MEM_ACCESS"}, + {14, "HNF0_DCL_READ"}, + {15, "HNF0_DCL_INVAL"}, + {16, "HNF0_CHI_RXDAT"}, + {17, "HNF0_CHI_RXRSP"}, + {18, "HNF0_CHI_TXDAT"}, + {19, "HNF0_CHI_TXRSP"}, + {20, "HNF0_CHI_TXSNP"}, + {21, "HNF0_DCT_SNP"}, + {22, "HNF0_SNP_FWD_DATA"}, + {23, "HNF0_SNP_FWD_RSP"}, + {24, "HNF0_SNP_RSP"}, + {25, "HNF0_EXCL_FULL"}, + {26, "HNF0_EXCL_WRITE_F"}, + {27, "HNF0_EXCL_WRITE_S"}, + {28, "HNF0_EXCL_WRITE"}, + {29, "HNF0_EXCL_READ"}, + {30, "HNF0_REQ_BUF_EMPTY"}, + {31, "HNF0_ALL_MAFS_BUSY"}, + {32, "HNF0_TXDAT_NO_LCRD"}, + {33, "HNF0_TXSNP_NO_LCRD"}, + {34, "HNF0_TXRSP_NO_LCRD"}, + {35, "HNF0_TXREQ_NO_LCRD"}, + {36, "HNF0_WRITE"}, + {37, "HNF0_READ"}, + {38, "HNF0_ACCESS"}, + {39, "HNF0_MAF_N_BUSY"}, + {40, "HNF0_MAF_N_REQS"}, + {41, "HNF0_SEL_OPCODE"}, + {42, "HNF1_CYCLES"}, + {43, "HNF1_REQS_RECEIVED"}, + {44, "HNF1_REQS_PROCESSED"}, + {45, "HNF1_DIR_HIT"}, + {46, "HNF1_DIR_MISS"}, + {47, "HNF1_DIR_RD_ALLOC"}, + {48, "HNF1_DIR_WR_ALLOC"}, + {49, "HNF1_DIR_VICTIM"}, + {50, "HNF1_CL_HAZARD"}, + {51, "HNF1_ALL_HAZARD"}, + {52, "HNF1_PIPE_STALLS"}, + {53, "HNF1_MEM_READS"}, + {54, "HNF1_MEM_WRITES"}, + {55, "HNF1_MEM_ACCESS"}, + {56, "HNF1_DCL_READ"}, + {57, "HNF1_DCL_INVAL"}, + {58, "HNF1_CHI_RXDAT"}, + {59, "HNF1_CHI_RXRSP"}, + {60, "HNF1_CHI_TXDAT"}, + {61, "HNF1_CHI_TXRSP"}, + {62, "HNF1_CHI_TXSNP"}, + {63, "HNF1_DCT_SNP"}, + {64, "HNF1_SNP_FWD_DATA"}, + {65, "HNF1_SNP_FWD_RSP"}, + {66, "HNF1_SNP_RSP"}, + {67, "HNF1_EXCL_FULL"}, + {68, "HNF1_EXCL_WRITE_F"}, + {69, "HNF1_EXCL_WRITE_S"}, + {70, "HNF1_EXCL_WRITE"}, + {71, "HNF1_EXCL_READ"}, + {72, "HNF1_REQ_BUF_EMPTY"}, + {73, "HNF1_ALL_MAFS_BUSY"}, + {74, "HNF1_TXDAT_NO_LCRD"}, + {75, "HNF1_TXSNP_NO_LCRD"}, + {76, "HNF1_TXRSP_NO_LCRD"}, + {77, "HNF1_TXREQ_NO_LCRD"}, + {78, "HNF1_WRITE"}, + {79, "HNF1_READ"}, + {80, "HNF1_ACCESS"}, + {81, "HNF1_MAF_N_BUSY"}, + {82, "HNF1_MAF_N_REQS"}, + {83, "HNF1_SEL_OPCODE"}, + {84, "GDC_BANK0_RD_REQ"}, + {85, "GDC_BANK0_WR_REQ"}, + {86, "GDC_BANK0_ALLOCATE"}, + {87, "GDC_BANK0_HIT"}, + {88, "GDC_BANK0_MISS"}, + {89, "GDC_BANK0_INVALIDATE"}, + {90, "GDC_BANK0_EVICT"}, + {91, "GDC_BANK0_RD_RESP"}, + {92, "GDC_BANK0_WR_ACK"}, + {93, "GDC_BANK0_SNOOP"}, + {94, "GDC_BANK0_SNOOP_NORMAL"}, + {95, "GDC_BANK0_SNOOP_FWD"}, + {96, "GDC_BANK0_SNOOP_STASH"}, + {97, "GDC_BANK0_SNOOP_STASH_INDPND_RD"}, + {98, "GDC_BANK0_FOLLOWER"}, + {99, "GDC_BANK0_FW"}, + {100, "GDC_BANK0_HIT_DCL_BOTH"}, + {101, "GDC_BANK0_HIT_DCL_PARTIAL"}, + {102, "GDC_BANK0_EVICT_DCL"}, + {103, "GDC_BANK0_G_RSE_PIPE_CACHE_DATA0"}, + {103, "GDC_BANK0_G_RSE_PIPE_CACHE_DATA1"}, + {105, "GDC_BANK0_ARB_STRB"}, + {106, "GDC_BANK0_ARB_WAIT"}, + {107, "GDC_BANK0_GGA_STRB"}, + {108, "GDC_BANK0_GGA_WAIT"}, + {109, "GDC_BANK0_FW_STRB"}, + {110, "GDC_BANK0_FW_WAIT"}, + {111, "GDC_BANK0_SNP_STRB"}, + {112, "GDC_BANK0_SNP_WAIT"}, + {113, "GDC_BANK0_MISS_INARB_STRB"}, + {114, "GDC_BANK0_MISS_INARB_WAIT"}, + {115, "GDC_BANK0_G_FIFO_FF_GGA_RSP_RD0"}, + {116, "GDC_BANK0_G_FIFO_FF_GGA_RSP_RD1"}, + {117, "GDC_BANK0_G_FIFO_FF_GGA_RSP_RD2"}, + {118, "GDC_BANK0_G_FIFO_FF_GGA_RSP_RD3"}, + {119, "GDC_BANK0_G_FIFO_FF_GGA_RSP_WR0"}, + {120, "GDC_BANK0_G_FIFO_FF_GGA_RSP_WR1"}, + {121, "GDC_BANK0_G_FIFO_FF_GGA_RSP_WR2"}, + {122, "GDC_BANK0_G_FIFO_FF_GGA_RSP_WR3"}, + {123, "GDC_BANK1_RD_REQ"}, + {124, "GDC_BANK1_WR_REQ"}, + {125, "GDC_BANK1_ALLOCATE"}, + {126, "GDC_BANK1_HIT"}, + {127, "GDC_BANK1_MISS"}, + {128, "GDC_BANK1_INVALIDATE"}, + {129, "GDC_BANK1_EVICT"}, + {130, "GDC_BANK1_RD_RESP"}, + {131, "GDC_BANK1_WR_ACK"}, + {132, "GDC_BANK1_SNOOP"}, + {133, "GDC_BANK1_SNOOP_NORMAL"}, + {134, "GDC_BANK1_SNOOP_FWD"}, + {135, "GDC_BANK1_SNOOP_STASH"}, + {136, "GDC_BANK1_SNOOP_STASH_INDPND_RD"}, + {137, "GDC_BANK1_FOLLOWER"}, + {138, "GDC_BANK1_FW"}, + {139, "GDC_BANK1_HIT_DCL_BOTH"}, + {140, "GDC_BANK1_HIT_DCL_PARTIAL"}, + {141, "GDC_BANK1_EVICT_DCL"}, + {142, "GDC_BANK1_G_RSE_PIPE_CACHE_DATA0"}, + {143, "GDC_BANK1_G_RSE_PIPE_CACHE_DATA1"}, + {144, "GDC_BANK1_ARB_STRB"}, + {145, "GDC_BANK1_ARB_WAIT"}, + {146, "GDC_BANK1_GGA_STRB"}, + {147, "GDC_BANK1_GGA_WAIT"}, + {148, "GDC_BANK1_FW_STRB"}, + {149, "GDC_BANK1_FW_WAIT"}, + {150, "GDC_BANK1_SNP_STRB"}, + {151, "GDC_BANK1_SNP_WAIT"}, + {152, "GDC_BANK1_MISS_INARB_STRB"}, + {153, "GDC_BANK1_MISS_INARB_WAIT"}, + {154, "GDC_BANK1_G_FIFO_FF_GGA_RSP_RD0"}, + {155, "GDC_BANK1_G_FIFO_FF_GGA_RSP_RD1"}, + {156, "GDC_BANK1_G_FIFO_FF_GGA_RSP_RD2"}, + {157, "GDC_BANK1_G_FIFO_FF_GGA_RSP_RD3"}, + {158, "GDC_BANK1_G_FIFO_FF_GGA_RSP_WR0"}, + {159, "GDC_BANK1_G_FIFO_FF_GGA_RSP_WR1"}, + {160, "GDC_BANK1_G_FIFO_FF_GGA_RSP_WR2"}, + {161, "GDC_BANK1_G_FIFO_FF_GGA_RSP_WR3"}, + {162, "HISTOGRAM_HISTOGRAM_BIN0"}, + {163, "HISTOGRAM_HISTOGRAM_BIN1"}, + {164, "HISTOGRAM_HISTOGRAM_BIN2"}, + {165, "HISTOGRAM_HISTOGRAM_BIN3"}, + {166, "HISTOGRAM_HISTOGRAM_BIN4"}, + {167, "HISTOGRAM_HISTOGRAM_BIN5"}, + {168, "HISTOGRAM_HISTOGRAM_BIN6"}, + {169, "HISTOGRAM_HISTOGRAM_BIN7"}, + {170, "HISTOGRAM_HISTOGRAM_BIN8"}, + {171, "HISTOGRAM_HISTOGRAM_BIN9"}, +}; + +static const struct mlxbf_pmc_events mlxbf_pmc_llt_miss_events[] = { + {0, "GDC_MISS_MACHINE_RD_REQ"}, + {1, "GDC_MISS_MACHINE_WR_REQ"}, + {2, "GDC_MISS_MACHINE_SNP_REQ"}, + {3, "GDC_MISS_MACHINE_EVICT_REQ"}, + {4, "GDC_MISS_MACHINE_FW_REQ"}, + {5, "GDC_MISS_MACHINE_RD_RESP"}, + {6, "GDC_MISS_MACHINE_WR_RESP"}, + {7, "GDC_MISS_MACHINE_SNP_STASH_DATAPULL_DROP"}, + {8, "GDC_MISS_MACHINE_SNP_STASH_DATAPULL_DROP_TXDAT"}, + {9, "GDC_MISS_MACHINE_CHI_TXREQ"}, + {10, "GDC_MISS_MACHINE_CHI_RXRSP"}, + {11, "GDC_MISS_MACHINE_CHI_TXDAT"}, + {12, "GDC_MISS_MACHINE_CHI_RXDAT"}, + {13, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC0_0"}, + {14, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC0_1 "}, + {15, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC0_2"}, + {16, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC0_3 "}, + {17, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC1_0 "}, + {18, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC1_1 "}, + {19, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC1_2 "}, + {20, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC1_3 "}, + {21, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC_DONE0_0"}, + {22, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC_DONE0_1"}, + {23, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC_DONE0_2"}, + {24, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC_DONE0_3"}, + {25, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC_DONE1_0 "}, + {26, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC_DONE1_1"}, + {27, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC_DONE1_2"}, + {28, "GDC_MISS_MACHINE_G_FIFO_FF_EXEC_DONE1_3"}, + {29, "GDC_MISS_MACHINE_GDC_LINK_LIST_FF_0"}, + {30, "GDC_MISS_MACHINE_GDC_LINK_LIST_FF_1"}, + {31, "GDC_MISS_MACHINE_GDC_LINK_LIST_FF_2"}, + {32, "GDC_MISS_MACHINE_GDC_LINK_LIST_FF_3"}, + {33, "GDC_MISS_MACHINE_GDC_LINK_LIST_FF_4"}, + {34, "GDC_MISS_MACHINE_GDC_LINK_LIST_FF_5"}, + {35, "GDC_MISS_MACHINE_GDC_LINK_LIST_FF_6"}, + {36, "GDC_MISS_MACHINE_G_RSE_PIPE_TXREQ_0"}, + {37, "GDC_MISS_MACHINE_G_RSE_PIPE_TXREQ_1"}, + {38, "GDC_MISS_MACHINE_G_CREDIT_TXREQ_0"}, + {39, "GDC_MISS_MACHINE_G_CREDIT_TXREQ_1"}, + {40, "GDC_MISS_MACHINE_G_RSE_PIPE_TXDAT_0"}, + {41, "GDC_MISS_MACHINE_G_RSE_PIPE_TXDAT_1"}, + {42, "GDC_MISS_MACHINE_G_CREDIT_TXDAT_0"}, + {43, "GDC_MISS_MACHINE_G_CREDIT_TXDAT_1"}, + {44, "GDC_MISS_MACHINE_G_FIFO_FF_COMPACK_0"}, + {45, "GDC_MISS_MACHINE_G_FIFO_FF_COMPACK_1"}, + {46, "GDC_MISS_MACHINE_G_FIFO_FF_COMPACK_2"}, + {47, "GDC_MISS_MACHINE_G_FIFO_FF_COMPACK_3"}, + {48, "GDC_MISS_MACHINE_G_RSE_PIPE_TXRSP_0"}, + {49, "GDC_MISS_MACHINE_G_RSE_PIPE_TXRSP_1"}, + {50, "GDC_MISS_MACHINE_G_CREDIT_TXRSP_0"}, + {51, "GDC_MISS_MACHINE_G_CREDIT_TXRSP_1"}, + {52, "GDC_MISS_MACHINE_G_RSE_PIPE_INARB_0"}, + {53, "GDC_MISS_MACHINE_G_RSE_PIPE_INARB_1"}, + {54, "GDC_MISS_MACHINE_G_FIFO_FF_SNOOP_IN_0"}, + {55, "GDC_MISS_MACHINE_G_FIFO_FF_SNOOP_IN_1"}, + {56, "GDC_MISS_MACHINE_G_FIFO_FF_SNOOP_IN_2"}, + {57, "GDC_MISS_MACHINE_G_FIFO_FF_SNOOP_IN_3"}, + {58, "GDC_MISS_MACHINE_G_FIFO_FF_TXRSP_SNOOP_DATAPULL_0"}, + {59, "GDC_MISS_MACHINE_G_FIFO_FF_TXRSP_SNOOP_DATAPULL_1"}, + {60, "GDC_MISS_MACHINE_G_FIFO_FF_TXRSP_SNOOP_DATAPULL_2"}, + {61, "GDC_MISS_MACHINE_G_FIFO_FF_TXRSP_SNOOP_DATAPULL_3"}, + {62, "GDC_MISS_MACHINE_G_FIFO_FF_TXDAT_SNOOP_DATAPULL_4"}, + {63, "GDC_MISS_MACHINE_G_FIFO_FF_TXDAT_SNOOP_DATAPULL_5"}, + {64, "GDC_MISS_MACHINE_G_FIFO_FF_TXDAT_SNOOP_DATAPULL_6"}, + {65, "GDC_MISS_MACHINE_G_FIFO_FF_TXDAT_SNOOP_DATAPULL_7"}, + {66, "HISTOGRAM_HISTOGRAM_BIN0"}, + {67, "HISTOGRAM_HISTOGRAM_BIN1"}, + {68, "HISTOGRAM_HISTOGRAM_BIN2"}, + {69, "HISTOGRAM_HISTOGRAM_BIN3"}, + {70, "HISTOGRAM_HISTOGRAM_BIN4"}, + {71, "HISTOGRAM_HISTOGRAM_BIN5"}, + {72, "HISTOGRAM_HISTOGRAM_BIN6"}, + {73, "HISTOGRAM_HISTOGRAM_BIN7"}, + {74, "HISTOGRAM_HISTOGRAM_BIN8"}, + {75, "HISTOGRAM_HISTOGRAM_BIN9"}, +}; + static struct mlxbf_pmc_context *pmc; /* UUID used to probe ATF service. */ @@ -569,8 +999,21 @@ static const struct mlxbf_pmc_events *mlxbf_pmc_event_list(const char *blk, break; } } else if (strstr(blk, "mss")) { - events = mlxbf_pmc_mss_events; - *size = ARRAY_SIZE(mlxbf_pmc_mss_events); + switch (pmc->event_set) { + case MLXBF_PMC_EVENT_SET_BF1: + case MLXBF_PMC_EVENT_SET_BF2: + events = mlxbf_pmc_mss_events_1; + *size = ARRAY_SIZE(mlxbf_pmc_mss_events_1); + break; + case MLXBF_PMC_EVENT_SET_BF3: + events = mlxbf_pmc_mss_events_3; + *size = ARRAY_SIZE(mlxbf_pmc_mss_events_3); + break; + default: + events = NULL; + *size = 0; + break; + } } else if (strstr(blk, "ecc")) { events = mlxbf_pmc_ecc_events; *size = ARRAY_SIZE(mlxbf_pmc_ecc_events); @@ -586,6 +1029,12 @@ static const struct mlxbf_pmc_events *mlxbf_pmc_event_list(const char *blk, } else if (strstr(blk, "smmu")) { events = mlxbf_pmc_smgen_events; *size = ARRAY_SIZE(mlxbf_pmc_smgen_events); + } else if (strstr(blk, "llt_miss")) { + events = mlxbf_pmc_llt_miss_events; + *size = ARRAY_SIZE(mlxbf_pmc_llt_miss_events); + } else if (strstr(blk, "llt")) { + events = mlxbf_pmc_llt_events; + *size = ARRAY_SIZE(mlxbf_pmc_llt_events); } else { events = NULL; *size = 0; @@ -712,6 +1161,43 @@ static int mlxbf_pmc_program_l3_counter(int blk_num, uint32_t cnt_num, return mlxbf_pmc_write(pmcaddr, MLXBF_PMC_WRITE_REG_32, *wordaddr); } +/* Method to handle crspace counter programming */ +static int mlxbf_pmc_program_crspace_counter(int blk_num, uint32_t cnt_num, + uint32_t evt) +{ + uint32_t word; + void *addr; + int ret; + + addr = pmc->block[blk_num].mmio_base + + (rounddown(cnt_num, 2) * MLXBF_PMC_CRSPACE_PERFSEL_SZ); + ret = mlxbf_pmc_readl(addr, &word); + if (ret) + return ret; + + if (cnt_num % 2) { + word &= ~MLXBF_PMC_CRSPACE_PERFSEL1; + word |= FIELD_PREP(MLXBF_PMC_CRSPACE_PERFSEL1, evt); + } else { + word &= ~MLXBF_PMC_CRSPACE_PERFSEL0; + word |= FIELD_PREP(MLXBF_PMC_CRSPACE_PERFSEL0, evt); + } + + return mlxbf_pmc_write(addr, MLXBF_PMC_WRITE_REG_32, word); +} + +/* Method to clear crspace counter value */ +static int mlxbf_pmc_clear_crspace_counter(int blk_num, uint32_t cnt_num) +{ + void *addr; + + addr = pmc->block[blk_num].mmio_base + + MLXBF_PMC_CRSPACE_PERFMON_VAL0(pmc->block[blk_num].counters) + + (cnt_num * 4); + + return mlxbf_pmc_write(addr, MLXBF_PMC_WRITE_REG_32, 0x0); +} + /* Method to program a counter to monitor an event */ static int mlxbf_pmc_program_counter(int blk_num, uint32_t cnt_num, uint32_t evt, bool is_l3) @@ -724,6 +1210,10 @@ static int mlxbf_pmc_program_counter(int blk_num, uint32_t cnt_num, if (is_l3) return mlxbf_pmc_program_l3_counter(blk_num, cnt_num, evt); + if (pmc->block[blk_num].type == MLXBF_PMC_TYPE_CRSPACE) + return mlxbf_pmc_program_crspace_counter(blk_num, cnt_num, + evt); + /* Configure the counter */ perfctl = FIELD_PREP(MLXBF_PMC_PERFCTL_EN0, 1); perfctl |= FIELD_PREP(MLXBF_PMC_PERFCTL_EB0, 0); @@ -778,7 +1268,7 @@ static int mlxbf_pmc_read_l3_counter(int blk_num, uint32_t cnt_num, { uint32_t perfcnt_low = 0, perfcnt_high = 0; uint64_t value; - int status = 0; + int status; status = mlxbf_pmc_readl(pmc->block[blk_num].mmio_base + MLXBF_PMC_L3C_PERF_CNT_LOW + @@ -804,6 +1294,24 @@ static int mlxbf_pmc_read_l3_counter(int blk_num, uint32_t cnt_num, return 0; } +/* Method to handle crspace counter reads */ +static int mlxbf_pmc_read_crspace_counter(int blk_num, uint32_t cnt_num, + uint64_t *result) +{ + uint32_t value; + int status = 0; + + status = mlxbf_pmc_readl(pmc->block[blk_num].mmio_base + + MLXBF_PMC_CRSPACE_PERFMON_VAL0(pmc->block[blk_num].counters) + + (cnt_num * 4), &value); + if (status) + return status; + + *result = value; + + return 0; +} + /* Method to read the counter value */ static int mlxbf_pmc_read_counter(int blk_num, uint32_t cnt_num, bool is_l3, uint64_t *result) @@ -818,6 +1326,9 @@ static int mlxbf_pmc_read_counter(int blk_num, uint32_t cnt_num, bool is_l3, if (is_l3) return mlxbf_pmc_read_l3_counter(blk_num, cnt_num, result); + if (pmc->block[blk_num].type == MLXBF_PMC_TYPE_CRSPACE) + return mlxbf_pmc_read_crspace_counter(blk_num, cnt_num, result); + perfcfg_offset = cnt_num * MLXBF_PMC_REG_SIZE; perfval_offset = perfcfg_offset + pmc->block[blk_num].counters * MLXBF_PMC_REG_SIZE; @@ -893,6 +1404,30 @@ static int mlxbf_pmc_read_l3_event(int blk_num, uint32_t cnt_num, return 0; } +/* Method to read crspace block event */ +static int mlxbf_pmc_read_crspace_event(int blk_num, uint32_t cnt_num, + uint64_t *result) +{ + uint32_t word, evt; + void *addr; + int ret; + + addr = pmc->block[blk_num].mmio_base + + (rounddown(cnt_num, 2) * MLXBF_PMC_CRSPACE_PERFSEL_SZ); + ret = mlxbf_pmc_readl(addr, &word); + if (ret) + return ret; + + if (cnt_num % 2) + evt = FIELD_GET(MLXBF_PMC_CRSPACE_PERFSEL1, word); + else + evt = FIELD_GET(MLXBF_PMC_CRSPACE_PERFSEL0, word); + + *result = evt; + + return 0; +} + /* Method to find the event currently being monitored by a counter */ static int mlxbf_pmc_read_event(int blk_num, uint32_t cnt_num, bool is_l3, uint64_t *result) @@ -906,6 +1441,9 @@ static int mlxbf_pmc_read_event(int blk_num, uint32_t cnt_num, bool is_l3, if (is_l3) return mlxbf_pmc_read_l3_event(blk_num, cnt_num, result); + if (pmc->block[blk_num].type == MLXBF_PMC_TYPE_CRSPACE) + return mlxbf_pmc_read_crspace_event(blk_num, cnt_num, result); + perfcfg_offset = cnt_num * MLXBF_PMC_REG_SIZE; perfval_offset = perfcfg_offset + pmc->block[blk_num].counters * MLXBF_PMC_REG_SIZE; @@ -982,7 +1520,8 @@ static ssize_t mlxbf_pmc_counter_show(struct device *dev, if (strstr(pmc->block_name[blk_num], "l3cache")) is_l3 = true; - if (pmc->block[blk_num].type == MLXBF_PMC_TYPE_COUNTER) { + if ((pmc->block[blk_num].type == MLXBF_PMC_TYPE_COUNTER) || + (pmc->block[blk_num].type == MLXBF_PMC_TYPE_CRSPACE)) { if (mlxbf_pmc_read_counter(blk_num, cnt_num, is_l3, &value)) return -EINVAL; } else if (pmc->block[blk_num].type == MLXBF_PMC_TYPE_REGISTER) { @@ -1040,6 +1579,10 @@ static ssize_t mlxbf_pmc_counter_store(struct device *dev, err = mlxbf_pmc_write_reg(blk_num, offset, data); if (err) return err; + } else if (pmc->block[blk_num].type == MLXBF_PMC_TYPE_CRSPACE) { + if (sscanf(attr->attr.name, "counter%d", &cnt_num) != 1) + return -EINVAL; + err = mlxbf_pmc_clear_crspace_counter(blk_num, cnt_num); } else return -EINVAL; @@ -1137,28 +1680,37 @@ static ssize_t mlxbf_pmc_event_list_show(struct device *dev, return ret; } -/* Show function for "enable" sysfs files - only for l3cache */ +/* Show function for "enable" sysfs files - only for l3cache & crspace */ static ssize_t mlxbf_pmc_enable_show(struct device *dev, struct device_attribute *attr, char *buf) { struct mlxbf_pmc_attribute *attr_enable = container_of( attr, struct mlxbf_pmc_attribute, dev_attr); - uint32_t perfcnt_cfg; + uint32_t perfcnt_cfg, word; int blk_num, value; blk_num = attr_enable->nr; - if (mlxbf_pmc_readl(pmc->block[blk_num].mmio_base + - MLXBF_PMC_L3C_PERF_CNT_CFG, - &perfcnt_cfg)) - return -EINVAL; + if (pmc->block[blk_num].type == MLXBF_PMC_TYPE_CRSPACE) { + if (mlxbf_pmc_readl(pmc->block[blk_num].mmio_base + + MLXBF_PMC_CRSPACE_PERFMON_CTL(pmc->block[blk_num].counters), + &word)) + return -EINVAL; - value = FIELD_GET(MLXBF_PMC_L3C_PERF_CNT_CFG_EN, perfcnt_cfg); + value = FIELD_GET(MLXBF_PMC_CRSPACE_PERFMON_EN, word); + } else { + if (mlxbf_pmc_readl(pmc->block[blk_num].mmio_base + + MLXBF_PMC_L3C_PERF_CNT_CFG, + &perfcnt_cfg)) + return -EINVAL; + + value = FIELD_GET(MLXBF_PMC_L3C_PERF_CNT_CFG_EN, perfcnt_cfg); + } return sysfs_emit(buf, "%d\n", value); } -/* Store function for "enable" sysfs files - only for l3cache */ +/* Store function for "enable" sysfs files - only for l3cache & crspace */ static ssize_t mlxbf_pmc_enable_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -1166,6 +1718,7 @@ static ssize_t mlxbf_pmc_enable_store(struct device *dev, struct mlxbf_pmc_attribute *attr_enable = container_of( attr, struct mlxbf_pmc_attribute, dev_attr); int err, en, blk_num; + uint32_t word; blk_num = attr_enable->nr; @@ -1173,19 +1726,35 @@ static ssize_t mlxbf_pmc_enable_store(struct device *dev, if (err < 0) return err; - if (!en) { - err = mlxbf_pmc_config_l3_counters(blk_num, false, false); + if (pmc->block[blk_num].type == MLXBF_PMC_TYPE_CRSPACE) { + err = mlxbf_pmc_readl(pmc->block[blk_num].mmio_base + + MLXBF_PMC_CRSPACE_PERFMON_CTL(pmc->block[blk_num].counters), + &word); if (err) - return err; - } else if (en == 1) { - err = mlxbf_pmc_config_l3_counters(blk_num, false, true); - if (err) - return err; - err = mlxbf_pmc_config_l3_counters(blk_num, true, false); + return -EINVAL; + + word &= ~MLXBF_PMC_CRSPACE_PERFMON_EN; + word |= FIELD_PREP(MLXBF_PMC_CRSPACE_PERFMON_EN, en); + if (en) + word |= FIELD_PREP(MLXBF_PMC_CRSPACE_PERFMON_CLR, 1); + + mlxbf_pmc_write(pmc->block[blk_num].mmio_base + + MLXBF_PMC_CRSPACE_PERFMON_CTL(pmc->block[blk_num].counters), + MLXBF_PMC_WRITE_REG_32, word); + } else { + if (en && en != 1) + return -EINVAL; + + err = mlxbf_pmc_config_l3_counters(blk_num, false, !!en); if (err) return err; - } else - return -EINVAL; + + if (en == 1) { + err = mlxbf_pmc_config_l3_counters(blk_num, true, false); + if (err) + return err; + } + } return count; } @@ -1206,7 +1775,8 @@ static int mlxbf_pmc_init_perftype_counter(struct device *dev, int blk_num) attr = NULL; /* "enable" sysfs to start/stop the counters. Only in L3C blocks */ - if (strstr(pmc->block_name[blk_num], "l3cache")) { + if (strstr(pmc->block_name[blk_num], "l3cache") || + ((pmc->block[blk_num].type == MLXBF_PMC_TYPE_CRSPACE))) { attr = &pmc->block[blk_num].attr_enable; attr->dev_attr.attr.mode = 0644; attr->dev_attr.show = mlxbf_pmc_enable_show; @@ -1297,7 +1867,8 @@ static int mlxbf_pmc_create_groups(struct device *dev, int blk_num) int err; /* Populate attributes based on counter type */ - if (pmc->block[blk_num].type == MLXBF_PMC_TYPE_COUNTER) + if ((pmc->block[blk_num].type == MLXBF_PMC_TYPE_COUNTER) || + (pmc->block[blk_num].type == MLXBF_PMC_TYPE_CRSPACE)) err = mlxbf_pmc_init_perftype_counter(dev, blk_num); else if (pmc->block[blk_num].type == MLXBF_PMC_TYPE_REGISTER) err = mlxbf_pmc_init_perftype_reg(dev, blk_num); @@ -1311,7 +1882,8 @@ static int mlxbf_pmc_create_groups(struct device *dev, int blk_num) pmc->block[blk_num].block_attr_grp.attrs = pmc->block[blk_num].block_attr; pmc->block[blk_num].block_attr_grp.name = devm_kasprintf( dev, GFP_KERNEL, pmc->block_name[blk_num]); - pmc->groups[blk_num] = &pmc->block[blk_num].block_attr_grp; + pmc->groups[pmc->group_num] = &pmc->block[blk_num].block_attr_grp; + pmc->group_num++; return 0; } @@ -1334,13 +1906,52 @@ static int mlxbf_pmc_map_counters(struct device *dev) int i, tile_num, ret; for (i = 0; i < pmc->total_blocks; ++i) { - if (strstr(pmc->block_name[i], "tile")) { + /* Create sysfs for tiles only if block number < tile_count */ + if (strstr(pmc->block_name[i], "tilenet")) { + if (sscanf(pmc->block_name[i], "tilenet%d", &tile_num) != 1) + continue; + + if (tile_num >= pmc->tile_count) + continue; + } else if (strstr(pmc->block_name[i], "tile")) { if (sscanf(pmc->block_name[i], "tile%d", &tile_num) != 1) - return -EINVAL; + continue; if (tile_num >= pmc->tile_count) continue; } + + /* Create sysfs only for enabled MSS blocks */ + if (strstr(pmc->block_name[i], "mss") && + pmc->event_set == MLXBF_PMC_EVENT_SET_BF3) { + int mss_num; + + if (sscanf(pmc->block_name[i], "mss%d", &mss_num) != 1) + continue; + + if (!((pmc->mss_enable >> mss_num) & 0x1)) + continue; + } + + /* Create sysfs only for enabled LLT blocks */ + if (strstr(pmc->block_name[i], "llt_miss")) { + int llt_num; + + if (sscanf(pmc->block_name[i], "llt_miss%d", &llt_num) != 1) + continue; + + if (!((pmc->llt_enable >> llt_num) & 0x1)) + continue; + } else if (strstr(pmc->block_name[i], "llt")) { + int llt_num; + + if (sscanf(pmc->block_name[i], "llt%d", &llt_num) != 1) + continue; + + if (!((pmc->llt_enable >> llt_num) & 0x1)) + continue; + } + ret = device_property_read_u64_array(dev, pmc->block_name[i], info, MLXBF_PMC_INFO_SZ); if (ret) @@ -1417,6 +2028,8 @@ static int mlxbf_pmc_probe(struct platform_device *pdev) pmc->event_set = MLXBF_PMC_EVENT_SET_BF1; else if (!strcmp(hid, "MLNXBFD1")) pmc->event_set = MLXBF_PMC_EVENT_SET_BF2; + else if (!strcmp(hid, "MLNXBFD2")) + pmc->event_set = MLXBF_PMC_EVENT_SET_BF3; else return -ENODEV; @@ -1430,11 +2043,19 @@ static int mlxbf_pmc_probe(struct platform_device *pdev) if (ret != pmc->total_blocks) return -EFAULT; - ret = device_property_read_u32(dev, "tile_num", &pmc->tile_count); - if (ret) - return ret; + if (device_property_read_u32(dev, "tile_num", &pmc->tile_count)) { + if (device_property_read_u8(dev, "llt_enable", &pmc->llt_enable)) { + dev_err(dev, "Number of tiles/LLTs undefined\n"); + return -EINVAL; + } + if (device_property_read_u8(dev, "mss_enable", &pmc->mss_enable)) { + dev_err(dev, "Number of tiles/MSSs undefined\n"); + return -EINVAL; + } + } pmc->pdev = pdev; + pmc->group_num = 0; ret = mlxbf_pmc_map_counters(dev); if (ret) @@ -1449,6 +2070,7 @@ static int mlxbf_pmc_probe(struct platform_device *pdev) static const struct acpi_device_id mlxbf_pmc_acpi_ids[] = { { "MLNXBFD0", 0 }, { "MLNXBFD1", 0 }, + { "MLNXBFD2", 0 }, {}, }; MODULE_DEVICE_TABLE(acpi, mlxbf_pmc_acpi_ids); diff --git a/drivers/platform/mellanox/mlxbf-tmfifo.c b/drivers/platform/mellanox/mlxbf-tmfifo.c index ab7d7a1235b8..5c683b4eaf10 100644 --- a/drivers/platform/mellanox/mlxbf-tmfifo.c +++ b/drivers/platform/mellanox/mlxbf-tmfifo.c @@ -1364,13 +1364,11 @@ fail: } /* Device remove function. */ -static int mlxbf_tmfifo_remove(struct platform_device *pdev) +static void mlxbf_tmfifo_remove(struct platform_device *pdev) { struct mlxbf_tmfifo *fifo = platform_get_drvdata(pdev); mlxbf_tmfifo_cleanup(fifo); - - return 0; } static const struct acpi_device_id mlxbf_tmfifo_acpi_match[] = { @@ -1381,7 +1379,7 @@ MODULE_DEVICE_TABLE(acpi, mlxbf_tmfifo_acpi_match); static struct platform_driver mlxbf_tmfifo_driver = { .probe = mlxbf_tmfifo_probe, - .remove = mlxbf_tmfifo_remove, + .remove_new = mlxbf_tmfifo_remove, .driver = { .name = "bf-tmfifo", .acpi_match_table = mlxbf_tmfifo_acpi_match, diff --git a/drivers/platform/mellanox/mlxreg-hotplug.c b/drivers/platform/mellanox/mlxreg-hotplug.c index eb5ad35274dd..5c022b258f91 100644 --- a/drivers/platform/mellanox/mlxreg-hotplug.c +++ b/drivers/platform/mellanox/mlxreg-hotplug.c @@ -786,15 +786,13 @@ static int mlxreg_hotplug_probe(struct platform_device *pdev) return 0; } -static int mlxreg_hotplug_remove(struct platform_device *pdev) +static void mlxreg_hotplug_remove(struct platform_device *pdev) { struct mlxreg_hotplug_priv_data *priv = dev_get_drvdata(&pdev->dev); /* Clean interrupts setup. */ mlxreg_hotplug_unset_irq(priv); devm_free_irq(&pdev->dev, priv->irq, priv); - - return 0; } static struct platform_driver mlxreg_hotplug_driver = { @@ -802,7 +800,7 @@ static struct platform_driver mlxreg_hotplug_driver = { .name = "mlxreg-hotplug", }, .probe = mlxreg_hotplug_probe, - .remove = mlxreg_hotplug_remove, + .remove_new = mlxreg_hotplug_remove, }; module_platform_driver(mlxreg_hotplug_driver); diff --git a/drivers/platform/mellanox/mlxreg-io.c b/drivers/platform/mellanox/mlxreg-io.c index 83ba037408cd..ee7bd623ba44 100644 --- a/drivers/platform/mellanox/mlxreg-io.c +++ b/drivers/platform/mellanox/mlxreg-io.c @@ -263,13 +263,11 @@ static int mlxreg_io_probe(struct platform_device *pdev) return 0; } -static int mlxreg_io_remove(struct platform_device *pdev) +static void mlxreg_io_remove(struct platform_device *pdev) { struct mlxreg_io_priv_data *priv = dev_get_drvdata(&pdev->dev); mutex_destroy(&priv->io_lock); - - return 0; } static struct platform_driver mlxreg_io_driver = { @@ -277,7 +275,7 @@ static struct platform_driver mlxreg_io_driver = { .name = "mlxreg-io", }, .probe = mlxreg_io_probe, - .remove = mlxreg_io_remove, + .remove_new = mlxreg_io_remove, }; module_platform_driver(mlxreg_io_driver); diff --git a/drivers/platform/mellanox/mlxreg-lc.c b/drivers/platform/mellanox/mlxreg-lc.c index 8d833836a6d3..43d119e3a473 100644 --- a/drivers/platform/mellanox/mlxreg-lc.c +++ b/drivers/platform/mellanox/mlxreg-lc.c @@ -907,7 +907,7 @@ i2c_get_adapter_fail: return err; } -static int mlxreg_lc_remove(struct platform_device *pdev) +static void mlxreg_lc_remove(struct platform_device *pdev) { struct mlxreg_core_data *data = dev_get_platdata(&pdev->dev); struct mlxreg_lc *mlxreg_lc = platform_get_drvdata(pdev); @@ -921,7 +921,7 @@ static int mlxreg_lc_remove(struct platform_device *pdev) * is nothing to remove. */ if (!data->notifier || !data->notifier->handle) - return 0; + return; /* Clear event notification callback and handle. */ data->notifier->user_handler = NULL; @@ -940,13 +940,11 @@ static int mlxreg_lc_remove(struct platform_device *pdev) i2c_put_adapter(data->hpdev.adapter); data->hpdev.adapter = NULL; } - - return 0; } static struct platform_driver mlxreg_lc_driver = { .probe = mlxreg_lc_probe, - .remove = mlxreg_lc_remove, + .remove_new = mlxreg_lc_remove, .driver = { .name = "mlxreg-lc", }, diff --git a/drivers/platform/mellanox/nvsw-sn2201.c b/drivers/platform/mellanox/nvsw-sn2201.c index 75b699676ca6..3ef655591424 100644 --- a/drivers/platform/mellanox/nvsw-sn2201.c +++ b/drivers/platform/mellanox/nvsw-sn2201.c @@ -1217,7 +1217,7 @@ static int nvsw_sn2201_probe(struct platform_device *pdev) return nvsw_sn2201_config_pre_init(nvsw_sn2201); } -static int nvsw_sn2201_remove(struct platform_device *pdev) +static void nvsw_sn2201_remove(struct platform_device *pdev) { struct nvsw_sn2201 *nvsw_sn2201 = platform_get_drvdata(pdev); @@ -1239,8 +1239,6 @@ static int nvsw_sn2201_remove(struct platform_device *pdev) /* Unregister I2C controller. */ if (nvsw_sn2201->pdev_i2c) platform_device_unregister(nvsw_sn2201->pdev_i2c); - - return 0; } static const struct acpi_device_id nvsw_sn2201_acpi_ids[] = { @@ -1252,7 +1250,7 @@ MODULE_DEVICE_TABLE(acpi, nvsw_sn2201_acpi_ids); static struct platform_driver nvsw_sn2201_driver = { .probe = nvsw_sn2201_probe, - .remove = nvsw_sn2201_remove, + .remove_new = nvsw_sn2201_remove, .driver = { .name = "nvsw-sn2201", .acpi_match_table = nvsw_sn2201_acpi_ids, diff --git a/drivers/platform/surface/surface3-wmi.c b/drivers/platform/surface/surface3-wmi.c index ca4602bcc7de..c15ed7a12784 100644 --- a/drivers/platform/surface/surface3-wmi.c +++ b/drivers/platform/surface/surface3-wmi.c @@ -226,14 +226,13 @@ static int __init s3_wmi_probe(struct platform_device *pdev) return error; } -static int s3_wmi_remove(struct platform_device *device) +static void s3_wmi_remove(struct platform_device *device) { /* remove the hotplug context from the acpi device */ s3_wmi.touchscreen_adev->hp = NULL; /* reinstall the actual PNPC0C0D LID default handle */ acpi_bus_scan(s3_wmi.pnp0c0d_adev->handle); - return 0; } static int __maybe_unused s3_wmi_resume(struct device *dev) @@ -248,7 +247,7 @@ static struct platform_driver s3_wmi_driver = { .name = "surface3-wmi", .pm = &s3_wmi_pm, }, - .remove = s3_wmi_remove, + .remove_new = s3_wmi_remove, }; static int __init s3_wmi_init(void) diff --git a/drivers/platform/surface/surface_acpi_notify.c b/drivers/platform/surface/surface_acpi_notify.c index 0412a644fece..e4dee920da18 100644 --- a/drivers/platform/surface/surface_acpi_notify.c +++ b/drivers/platform/surface/surface_acpi_notify.c @@ -854,7 +854,7 @@ err_enable_events: return status; } -static int san_remove(struct platform_device *pdev) +static void san_remove(struct platform_device *pdev) { acpi_handle san = ACPI_HANDLE(&pdev->dev); @@ -868,8 +868,6 @@ static int san_remove(struct platform_device *pdev) * all delayed works they may have spawned are run to completion. */ flush_workqueue(san_wq); - - return 0; } static const struct acpi_device_id san_match[] = { @@ -880,7 +878,7 @@ MODULE_DEVICE_TABLE(acpi, san_match); static struct platform_driver surface_acpi_notify = { .probe = san_probe, - .remove = san_remove, + .remove_new = san_remove, .driver = { .name = "surface_acpi_notify", .acpi_match_table = san_match, diff --git a/drivers/platform/surface/surface_aggregator_cdev.c b/drivers/platform/surface/surface_aggregator_cdev.c index 07f0ed658369..07e065b9159f 100644 --- a/drivers/platform/surface/surface_aggregator_cdev.c +++ b/drivers/platform/surface/surface_aggregator_cdev.c @@ -714,7 +714,7 @@ static int ssam_dbg_device_probe(struct platform_device *pdev) return 0; } -static int ssam_dbg_device_remove(struct platform_device *pdev) +static void ssam_dbg_device_remove(struct platform_device *pdev) { struct ssam_cdev *cdev = platform_get_drvdata(pdev); struct ssam_cdev_client *client; @@ -757,14 +757,13 @@ static int ssam_dbg_device_remove(struct platform_device *pdev) misc_deregister(&cdev->mdev); ssam_cdev_put(cdev); - return 0; } static struct platform_device *ssam_cdev_device; static struct platform_driver ssam_cdev_driver = { .probe = ssam_dbg_device_probe, - .remove = ssam_dbg_device_remove, + .remove_new = ssam_dbg_device_remove, .driver = { .name = SSAM_CDEV_DEVICE_NAME, .probe_type = PROBE_PREFER_ASYNCHRONOUS, diff --git a/drivers/platform/surface/surface_aggregator_registry.c b/drivers/platform/surface/surface_aggregator_registry.c index 0fe5be539652..aeb3feae40ff 100644 --- a/drivers/platform/surface/surface_aggregator_registry.c +++ b/drivers/platform/surface/surface_aggregator_registry.c @@ -418,19 +418,18 @@ static int ssam_platform_hub_probe(struct platform_device *pdev) return status; } -static int ssam_platform_hub_remove(struct platform_device *pdev) +static void ssam_platform_hub_remove(struct platform_device *pdev) { const struct software_node **nodes = platform_get_drvdata(pdev); ssam_remove_clients(&pdev->dev); set_secondary_fwnode(&pdev->dev, NULL); software_node_unregister_node_group(nodes); - return 0; } static struct platform_driver ssam_platform_hub_driver = { .probe = ssam_platform_hub_probe, - .remove = ssam_platform_hub_remove, + .remove_new = ssam_platform_hub_remove, .driver = { .name = "surface_aggregator_platform_hub", .acpi_match_table = ssam_platform_hub_match, diff --git a/drivers/platform/surface/surface_dtx.c b/drivers/platform/surface/surface_dtx.c index 30cbde278c59..2de843b7ea70 100644 --- a/drivers/platform/surface/surface_dtx.c +++ b/drivers/platform/surface/surface_dtx.c @@ -1168,10 +1168,9 @@ static int surface_dtx_platform_probe(struct platform_device *pdev) return 0; } -static int surface_dtx_platform_remove(struct platform_device *pdev) +static void surface_dtx_platform_remove(struct platform_device *pdev) { sdtx_device_destroy(platform_get_drvdata(pdev)); - return 0; } static const struct acpi_device_id surface_dtx_acpi_match[] = { @@ -1182,7 +1181,7 @@ MODULE_DEVICE_TABLE(acpi, surface_dtx_acpi_match); static struct platform_driver surface_dtx_platform_driver = { .probe = surface_dtx_platform_probe, - .remove = surface_dtx_platform_remove, + .remove_new = surface_dtx_platform_remove, .driver = { .name = "surface_dtx_pltf", .acpi_match_table = surface_dtx_acpi_match, diff --git a/drivers/platform/surface/surface_gpe.c b/drivers/platform/surface/surface_gpe.c index c219b840d491..62fd4004db31 100644 --- a/drivers/platform/surface/surface_gpe.c +++ b/drivers/platform/surface/surface_gpe.c @@ -267,20 +267,18 @@ static int surface_gpe_probe(struct platform_device *pdev) return ret; } -static int surface_gpe_remove(struct platform_device *pdev) +static void surface_gpe_remove(struct platform_device *pdev) { struct surface_lid_device *lid = dev_get_drvdata(&pdev->dev); /* restore default behavior without this module */ surface_lid_enable_wakeup(&pdev->dev, false); acpi_disable_gpe(NULL, lid->gpe_number); - - return 0; } static struct platform_driver surface_gpe_driver = { .probe = surface_gpe_probe, - .remove = surface_gpe_remove, + .remove_new = surface_gpe_remove, .driver = { .name = "surface_gpe", .pm = &surface_gpe_pm, diff --git a/drivers/platform/surface/surface_hotplug.c b/drivers/platform/surface/surface_hotplug.c index 7b6d887dccdb..a404f26cfae8 100644 --- a/drivers/platform/surface/surface_hotplug.c +++ b/drivers/platform/surface/surface_hotplug.c @@ -183,7 +183,7 @@ static int shps_setup_irq(struct platform_device *pdev, enum shps_irq_type type) return 0; } -static int surface_hotplug_remove(struct platform_device *pdev) +static void surface_hotplug_remove(struct platform_device *pdev) { struct shps_device *sdev = platform_get_drvdata(pdev); int i; @@ -195,8 +195,6 @@ static int surface_hotplug_remove(struct platform_device *pdev) mutex_destroy(&sdev->lock[i]); } - - return 0; } static int surface_hotplug_probe(struct platform_device *pdev) @@ -261,7 +259,7 @@ MODULE_DEVICE_TABLE(acpi, surface_hotplug_acpi_match); static struct platform_driver surface_hotplug_driver = { .probe = surface_hotplug_probe, - .remove = surface_hotplug_remove, + .remove_new = surface_hotplug_remove, .driver = { .name = "surface_hotplug", .acpi_match_table = surface_hotplug_acpi_match, diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 2a1070543391..7e69fdaccdd5 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -988,6 +988,17 @@ config TOUCHSCREEN_DMI the OS-image for the device. This option supplies the missing info. Enable this for x86 tablets with Silead or Chipone touchscreens. +config INSPUR_PLATFORM_PROFILE + tristate "Inspur WMI platform profile driver" + depends on ACPI_WMI + select ACPI_PLATFORM_PROFILE + help + This will allow users to determine and control the platform modes + between low-power, balanced and performance modes. + + To compile this driver as a module, choose M here: the module + will be called inspur-platform-profile. + source "drivers/platform/x86/x86-android-tablets/Kconfig" config FW_ATTR_CLASS diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile index b457de5abf7d..c7a18e95ad8c 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -98,6 +98,9 @@ obj-$(CONFIG_TOSHIBA_WMI) += toshiba-wmi.o # before toshiba_acpi initializes obj-$(CONFIG_ACPI_TOSHIBA) += toshiba_acpi.o +# Inspur +obj-$(CONFIG_INSPUR_PLATFORM_PROFILE) += inspur_platform_profile.o + # Laptop drivers obj-$(CONFIG_ACPI_CMPC) += classmate-laptop.o obj-$(CONFIG_COMPAL_LAPTOP) += compal-laptop.o diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 377a0becd1a1..0e472aa9bf41 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -1922,7 +1922,6 @@ static void acer_rfkill_exit(void) rfkill_unregister(threeg_rfkill); rfkill_destroy(threeg_rfkill); } - return; } static void acer_wmi_notify(u32 value, void *context) @@ -2517,7 +2516,6 @@ static void __exit acer_wmi_exit(void) platform_driver_unregister(&acer_platform_driver); pr_info("Acer Laptop WMI Extras unloaded\n"); - return; } module_init(acer_wmi_init); diff --git a/drivers/platform/x86/amd/hsmp.c b/drivers/platform/x86/amd/hsmp.c index 31382ef52efb..b55d80e29139 100644 --- a/drivers/platform/x86/amd/hsmp.c +++ b/drivers/platform/x86/amd/hsmp.c @@ -20,7 +20,7 @@ #include <linux/semaphore.h> #define DRIVER_NAME "amd_hsmp" -#define DRIVER_VERSION "1.0" +#define DRIVER_VERSION "2.0" /* HSMP Status / Error codes */ #define HSMP_STATUS_NOT_READY 0x00 @@ -47,9 +47,29 @@ #define HSMP_INDEX_REG 0xc4 #define HSMP_DATA_REG 0xc8 -static struct semaphore *hsmp_sem; +#define HSMP_CDEV_NAME "hsmp_cdev" +#define HSMP_DEVNODE_NAME "hsmp" +#define HSMP_METRICS_TABLE_NAME "metrics_bin" -static struct miscdevice hsmp_device; +#define HSMP_ATTR_GRP_NAME_SIZE 10 + +struct hsmp_socket { + struct bin_attribute hsmp_attr; + void __iomem *metric_tbl_addr; + struct semaphore hsmp_sem; + char name[HSMP_ATTR_GRP_NAME_SIZE]; + u16 sock_ind; +}; + +struct hsmp_plat_device { + struct miscdevice hsmp_device; + struct hsmp_socket *sock; + struct device *dev; + u32 proto_ver; + u16 num_sockets; +}; + +static struct hsmp_plat_device plat_dev; static int amd_hsmp_rdwr(struct pci_dev *root, u32 address, u32 *value, bool write) @@ -188,6 +208,7 @@ static int validate_message(struct hsmp_message *msg) int hsmp_send_message(struct hsmp_message *msg) { + struct hsmp_socket *sock = &plat_dev.sock[msg->sock_ind]; struct amd_northbridge *nb; int ret; @@ -208,14 +229,13 @@ int hsmp_send_message(struct hsmp_message *msg) * In SMP system timeout of 100 millisecs should * be enough for the previous thread to finish the operation */ - ret = down_timeout(&hsmp_sem[msg->sock_ind], - msecs_to_jiffies(HSMP_MSG_TIMEOUT)); + ret = down_timeout(&sock->hsmp_sem, msecs_to_jiffies(HSMP_MSG_TIMEOUT)); if (ret < 0) return ret; ret = __hsmp_send_message(nb->root, msg); - up(&hsmp_sem[msg->sock_ind]); + up(&sock->hsmp_sem); return ret; } @@ -317,32 +337,198 @@ static const struct file_operations hsmp_fops = { .compat_ioctl = hsmp_ioctl, }; +static ssize_t hsmp_metric_tbl_read(struct file *filp, struct kobject *kobj, + struct bin_attribute *bin_attr, char *buf, + loff_t off, size_t count) +{ + struct hsmp_socket *sock = bin_attr->private; + struct hsmp_message msg = { 0 }; + int ret; + + /* Do not support lseek(), reads entire metric table */ + if (count < bin_attr->size) { + dev_err(plat_dev.dev, "Wrong buffer size\n"); + return -EINVAL; + } + + if (!sock) { + dev_err(plat_dev.dev, "Failed to read attribute private data\n"); + return -EINVAL; + } + + msg.msg_id = HSMP_GET_METRIC_TABLE; + msg.sock_ind = sock->sock_ind; + + ret = hsmp_send_message(&msg); + if (ret) + return ret; + memcpy_fromio(buf, sock->metric_tbl_addr, bin_attr->size); + + return bin_attr->size; +} + +static int hsmp_get_tbl_dram_base(u16 sock_ind) +{ + struct hsmp_socket *sock = &plat_dev.sock[sock_ind]; + struct hsmp_message msg = { 0 }; + phys_addr_t dram_addr; + int ret; + + msg.sock_ind = sock_ind; + msg.response_sz = hsmp_msg_desc_table[HSMP_GET_METRIC_TABLE_DRAM_ADDR].response_sz; + msg.msg_id = HSMP_GET_METRIC_TABLE_DRAM_ADDR; + + ret = hsmp_send_message(&msg); + if (ret) + return ret; + + /* + * calculate the metric table DRAM address from lower and upper 32 bits + * sent from SMU and ioremap it to virtual address. + */ + dram_addr = msg.args[0] | ((u64)(msg.args[1]) << 32); + if (!dram_addr) { + dev_err(plat_dev.dev, "Invalid DRAM address for metric table\n"); + return -ENOMEM; + } + sock->metric_tbl_addr = devm_ioremap(plat_dev.dev, dram_addr, + sizeof(struct hsmp_metric_table)); + if (!sock->metric_tbl_addr) { + dev_err(plat_dev.dev, "Failed to ioremap metric table addr\n"); + return -ENOMEM; + } + return 0; +} + +static umode_t hsmp_is_sock_attr_visible(struct kobject *kobj, + struct bin_attribute *battr, int id) +{ + if (plat_dev.proto_ver == HSMP_PROTO_VER6) + return battr->attr.mode; + else + return 0; +} + +static int hsmp_init_metric_tbl_bin_attr(struct bin_attribute **hattrs, u16 sock_ind) +{ + struct bin_attribute *hattr = &plat_dev.sock[sock_ind].hsmp_attr; + + sysfs_bin_attr_init(hattr); + hattr->attr.name = HSMP_METRICS_TABLE_NAME; + hattr->attr.mode = 0444; + hattr->read = hsmp_metric_tbl_read; + hattr->size = sizeof(struct hsmp_metric_table); + hattr->private = &plat_dev.sock[sock_ind]; + hattrs[0] = hattr; + + if (plat_dev.proto_ver == HSMP_PROTO_VER6) + return (hsmp_get_tbl_dram_base(sock_ind)); + else + return 0; +} + +/* One bin sysfs for metrics table*/ +#define NUM_HSMP_ATTRS 1 + +static int hsmp_create_sysfs_interface(void) +{ + const struct attribute_group **hsmp_attr_grps; + struct bin_attribute **hsmp_bin_attrs; + struct attribute_group *attr_grp; + int ret; + u16 i; + + /* String formatting is currently limited to u8 sockets */ + if (WARN_ON(plat_dev.num_sockets > U8_MAX)) + return -ERANGE; + + hsmp_attr_grps = devm_kzalloc(plat_dev.dev, sizeof(struct attribute_group *) * + (plat_dev.num_sockets + 1), GFP_KERNEL); + if (!hsmp_attr_grps) + return -ENOMEM; + + /* Create a sysfs directory for each socket */ + for (i = 0; i < plat_dev.num_sockets; i++) { + attr_grp = devm_kzalloc(plat_dev.dev, sizeof(struct attribute_group), GFP_KERNEL); + if (!attr_grp) + return -ENOMEM; + + snprintf(plat_dev.sock[i].name, HSMP_ATTR_GRP_NAME_SIZE, "socket%u", (u8)i); + attr_grp->name = plat_dev.sock[i].name; + + /* Null terminated list of attributes */ + hsmp_bin_attrs = devm_kzalloc(plat_dev.dev, sizeof(struct bin_attribute *) * + (NUM_HSMP_ATTRS + 1), GFP_KERNEL); + if (!hsmp_bin_attrs) + return -ENOMEM; + + attr_grp->bin_attrs = hsmp_bin_attrs; + attr_grp->is_bin_visible = hsmp_is_sock_attr_visible; + hsmp_attr_grps[i] = attr_grp; + + /* Now create the leaf nodes */ + ret = hsmp_init_metric_tbl_bin_attr(hsmp_bin_attrs, i); + if (ret) + return ret; + } + return devm_device_add_groups(plat_dev.dev, hsmp_attr_grps); +} + +static int hsmp_cache_proto_ver(void) +{ + struct hsmp_message msg = { 0 }; + int ret; + + msg.msg_id = HSMP_GET_PROTO_VER; + msg.sock_ind = 0; + msg.response_sz = hsmp_msg_desc_table[HSMP_GET_PROTO_VER].response_sz; + + ret = hsmp_send_message(&msg); + if (!ret) + plat_dev.proto_ver = msg.args[0]; + + return ret; +} + static int hsmp_pltdrv_probe(struct platform_device *pdev) { - int i; + int ret, i; - hsmp_sem = devm_kzalloc(&pdev->dev, - (amd_nb_num() * sizeof(struct semaphore)), - GFP_KERNEL); - if (!hsmp_sem) + plat_dev.sock = devm_kzalloc(&pdev->dev, + (plat_dev.num_sockets * sizeof(struct hsmp_socket)), + GFP_KERNEL); + if (!plat_dev.sock) return -ENOMEM; + plat_dev.dev = &pdev->dev; + + for (i = 0; i < plat_dev.num_sockets; i++) { + sema_init(&plat_dev.sock[i].hsmp_sem, 1); + plat_dev.sock[i].sock_ind = i; + } - for (i = 0; i < amd_nb_num(); i++) - sema_init(&hsmp_sem[i], 1); + plat_dev.hsmp_device.name = HSMP_CDEV_NAME; + plat_dev.hsmp_device.minor = MISC_DYNAMIC_MINOR; + plat_dev.hsmp_device.fops = &hsmp_fops; + plat_dev.hsmp_device.parent = &pdev->dev; + plat_dev.hsmp_device.nodename = HSMP_DEVNODE_NAME; + plat_dev.hsmp_device.mode = 0644; + + ret = hsmp_cache_proto_ver(); + if (ret) { + dev_err(plat_dev.dev, "Failed to read HSMP protocol version\n"); + return ret; + } - hsmp_device.name = "hsmp_cdev"; - hsmp_device.minor = MISC_DYNAMIC_MINOR; - hsmp_device.fops = &hsmp_fops; - hsmp_device.parent = &pdev->dev; - hsmp_device.nodename = "hsmp"; - hsmp_device.mode = 0644; + ret = hsmp_create_sysfs_interface(); + if (ret) + dev_err(plat_dev.dev, "Failed to create HSMP sysfs interface\n"); - return misc_register(&hsmp_device); + return misc_register(&plat_dev.hsmp_device); } static void hsmp_pltdrv_remove(struct platform_device *pdev) { - misc_deregister(&hsmp_device); + misc_deregister(&plat_dev.hsmp_device); } static struct platform_driver amd_hsmp_driver = { @@ -358,7 +544,6 @@ static struct platform_device *amd_hsmp_platdev; static int __init hsmp_plt_init(void) { int ret = -ENODEV; - u16 num_sockets; int i; if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD || boot_cpu_data.x86 < 0x19) { @@ -371,18 +556,18 @@ static int __init hsmp_plt_init(void) * amd_nb_num() returns number of SMN/DF interfaces present in the system * if we have N SMN/DF interfaces that ideally means N sockets */ - num_sockets = amd_nb_num(); - if (num_sockets == 0) + plat_dev.num_sockets = amd_nb_num(); + if (plat_dev.num_sockets == 0) return ret; /* Test the hsmp interface on each socket */ - for (i = 0; i < num_sockets; i++) { + for (i = 0; i < plat_dev.num_sockets; i++) { ret = hsmp_test(i, 0xDEADBEEF); if (ret) { - pr_err("HSMP is not supported on Fam:%x model:%x\n", + pr_err("HSMP test message failed on Fam:%x model:%x\n", boot_cpu_data.x86, boot_cpu_data.x86_model); - pr_err("Or Is HSMP disabled in BIOS ?\n"); - return -EOPNOTSUPP; + pr_err("Is HSMP disabled in BIOS ?\n"); + return ret; } } diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c index c1e788b67a74..cd6ac04c1468 100644 --- a/drivers/platform/x86/amd/pmc/pmc.c +++ b/drivers/platform/x86/amd/pmc/pmc.c @@ -52,9 +52,13 @@ #define AMD_S2D_REGISTER_ARGUMENT 0xA88 /* STB Spill to DRAM Parameters */ -#define S2D_TELEMETRY_BYTES_MAX 0x100000 +#define S2D_TELEMETRY_BYTES_MAX 0x100000U +#define S2D_RSVD_RAM_SPACE 0x100000 #define S2D_TELEMETRY_DRAMBYTES_MAX 0x1000000 +/* STB Spill to DRAM Message Definition */ +#define STB_FORCE_FLUSH_DATA 0xCF + /* Base address of SMU for mapping physical address to virtual address */ #define AMD_PMC_MAPPING_SIZE 0x01000 #define AMD_PMC_BASE_ADDR_OFFSET 0x10000 @@ -119,6 +123,11 @@ enum s2d_arg { S2D_DRAM_SIZE, }; +struct amd_pmc_stb_v2_data { + size_t size; + u8 data[] __counted_by(size); +}; + struct amd_pmc_bit_map { const char *name; u32 bit_mask; @@ -157,6 +166,10 @@ static bool disable_workarounds; module_param(disable_workarounds, bool, 0644); MODULE_PARM_DESC(disable_workarounds, "Disable workarounds for platform bugs"); +static bool dump_custom_stb; +module_param(dump_custom_stb, bool, 0644); +MODULE_PARM_DESC(dump_custom_stb, "Enable to dump full STB buffer"); + static struct amd_pmc_dev pmc; static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, u32 arg, u32 *data, u8 msg, bool ret); static int amd_pmc_read_stb(struct amd_pmc_dev *dev, u32 *buf); @@ -233,10 +246,30 @@ static const struct file_operations amd_pmc_stb_debugfs_fops = { .release = amd_pmc_stb_debugfs_release, }; +/* Enhanced STB Firmware Reporting Mechanism */ +static int amd_pmc_stb_handle_efr(struct file *filp) +{ + struct amd_pmc_dev *dev = filp->f_inode->i_private; + struct amd_pmc_stb_v2_data *stb_data_arr; + u32 fsize; + + fsize = dev->dram_size - S2D_RSVD_RAM_SPACE; + stb_data_arr = kmalloc(struct_size(stb_data_arr, data, fsize), GFP_KERNEL); + if (!stb_data_arr) + return -ENOMEM; + + stb_data_arr->size = fsize; + memcpy_fromio(stb_data_arr->data, dev->stb_virt_addr, fsize); + filp->private_data = stb_data_arr; + + return 0; +} + static int amd_pmc_stb_debugfs_open_v2(struct inode *inode, struct file *filp) { struct amd_pmc_dev *dev = filp->f_inode->i_private; - u32 *buf, fsize, num_samples, stb_rdptr_offset = 0; + u32 fsize, num_samples, val, stb_rdptr_offset = 0; + struct amd_pmc_stb_v2_data *stb_data_arr; int ret; /* Write dummy postcode while reading the STB buffer */ @@ -244,34 +277,55 @@ static int amd_pmc_stb_debugfs_open_v2(struct inode *inode, struct file *filp) if (ret) dev_err(dev->dev, "error writing to STB: %d\n", ret); - buf = kzalloc(S2D_TELEMETRY_BYTES_MAX, GFP_KERNEL); - if (!buf) - return -ENOMEM; - /* Spill to DRAM num_samples uses separate SMU message port */ dev->msg_port = 1; + ret = amd_pmc_send_cmd(dev, 0, &val, STB_FORCE_FLUSH_DATA, 1); + if (ret) + dev_dbg_once(dev->dev, "S2D force flush not supported: %d\n", ret); + + /* + * We have a custom stb size and the PMFW is supposed to give + * the enhanced dram size. Note that we land here only for the + * platforms that support enhanced dram size reporting. + */ + if (dump_custom_stb) + return amd_pmc_stb_handle_efr(filp); + /* Get the num_samples to calculate the last push location */ ret = amd_pmc_send_cmd(dev, S2D_NUM_SAMPLES, &num_samples, dev->s2d_msg_id, true); /* Clear msg_port for other SMU operation */ dev->msg_port = 0; if (ret) { dev_err(dev->dev, "error: S2D_NUM_SAMPLES not supported : %d\n", ret); - kfree(buf); return ret; } - /* Start capturing data from the last push location */ + fsize = min(num_samples, S2D_TELEMETRY_BYTES_MAX); + stb_data_arr = kmalloc(struct_size(stb_data_arr, data, fsize), GFP_KERNEL); + if (!stb_data_arr) + return -ENOMEM; + + stb_data_arr->size = fsize; + + /* + * Start capturing data from the last push location. + * This is for general cases, where the stb limits + * are meant for standard usage. + */ if (num_samples > S2D_TELEMETRY_BYTES_MAX) { - fsize = S2D_TELEMETRY_BYTES_MAX; - stb_rdptr_offset = num_samples - fsize; + /* First read oldest data starting 1 behind last write till end of ringbuffer */ + stb_rdptr_offset = num_samples % S2D_TELEMETRY_BYTES_MAX; + fsize = S2D_TELEMETRY_BYTES_MAX - stb_rdptr_offset; + + memcpy_fromio(stb_data_arr->data, dev->stb_virt_addr + stb_rdptr_offset, fsize); + /* Second copy the newer samples from offset 0 - last write */ + memcpy_fromio(stb_data_arr->data + fsize, dev->stb_virt_addr, stb_rdptr_offset); } else { - fsize = num_samples; - stb_rdptr_offset = 0; + memcpy_fromio(stb_data_arr->data, dev->stb_virt_addr, fsize); } - memcpy_fromio(buf, dev->stb_virt_addr + stb_rdptr_offset, fsize); - filp->private_data = buf; + filp->private_data = stb_data_arr; return 0; } @@ -279,11 +333,9 @@ static int amd_pmc_stb_debugfs_open_v2(struct inode *inode, struct file *filp) static ssize_t amd_pmc_stb_debugfs_read_v2(struct file *filp, char __user *buf, size_t size, loff_t *pos) { - if (!filp->private_data) - return -EINVAL; + struct amd_pmc_stb_v2_data *data = filp->private_data; - return simple_read_from_buffer(buf, size, pos, filp->private_data, - S2D_TELEMETRY_BYTES_MAX); + return simple_read_from_buffer(buf, size, pos, data->data, data->size); } static int amd_pmc_stb_debugfs_release_v2(struct inode *inode, struct file *filp) diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c index df1db54d4e18..9aa1226e74e6 100644 --- a/drivers/platform/x86/asus-nb-wmi.c +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -16,6 +16,8 @@ #include <linux/dmi.h> #include <linux/i8042.h> +#include <acpi/video.h> + #include "asus-wmi.h" #define ASUS_NB_WMI_FILE "asus-nb-wmi" @@ -606,6 +608,19 @@ static const struct key_entry asus_nb_wmi_keymap[] = { { KE_END, 0}, }; +static void asus_nb_wmi_key_filter(struct asus_wmi_driver *asus_wmi, int *code, + unsigned int *value, bool *autorelease) +{ + switch (*code) { + case ASUS_WMI_BRN_DOWN: + case ASUS_WMI_BRN_UP: + if (acpi_video_handles_brightness_key_presses()) + *code = ASUS_WMI_KEY_IGNORE; + + break; + } +} + static struct asus_wmi_driver asus_nb_wmi_driver = { .name = ASUS_NB_WMI_FILE, .owner = THIS_MODULE, @@ -614,6 +629,7 @@ static struct asus_wmi_driver asus_nb_wmi_driver = { .input_name = "Asus WMI hotkeys", .input_phys = ASUS_NB_WMI_FILE "/input0", .detect_quirks = asus_nb_wmi_quirks, + .key_filter = asus_nb_wmi_key_filter, }; diff --git a/drivers/platform/x86/asus-wireless.c b/drivers/platform/x86/asus-wireless.c index abf01e00b799..41227bf95878 100644 --- a/drivers/platform/x86/asus-wireless.c +++ b/drivers/platform/x86/asus-wireless.c @@ -148,16 +148,12 @@ static int asus_wireless_add(struct acpi_device *adev) if (err) return err; - for (id = device_ids; id->id[0]; id++) { - if (!strcmp((char *) id->id, acpi_device_hid(adev))) { - data->hswc_params = - (const struct hswc_params *)id->driver_data; - break; - } - } - if (!data->hswc_params) + id = acpi_match_acpi_device(device_ids, adev); + if (!id) return 0; + data->hswc_params = (const struct hswc_params *)id->driver_data; + data->wq = create_singlethread_workqueue("asus_wireless_workqueue"); if (!data->wq) return -ENOMEM; diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 19bfd30861aa..6a79f16233ab 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -25,6 +25,7 @@ #include <linux/input/sparse-keymap.h> #include <linux/kernel.h> #include <linux/leds.h> +#include <linux/minmax.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/pci_hotplug.h> @@ -127,6 +128,10 @@ module_param(fnlock_default, bool, 0444); #define NVIDIA_TEMP_MIN 75 #define NVIDIA_TEMP_MAX 87 +#define ASUS_SCREENPAD_BRIGHT_MIN 20 +#define ASUS_SCREENPAD_BRIGHT_MAX 255 +#define ASUS_SCREENPAD_BRIGHT_DEFAULT 60 + static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL }; static int throttle_thermal_policy_write(struct asus_wmi *); @@ -212,6 +217,7 @@ struct asus_wmi { struct input_dev *inputdev; struct backlight_device *backlight_device; + struct backlight_device *screenpad_backlight_device; struct platform_device *platform_device; struct led_classdev wlan_led; @@ -3776,6 +3782,124 @@ static int is_display_toggle(int code) return 0; } +/* Screenpad backlight *******************************************************/ + +static int read_screenpad_backlight_power(struct asus_wmi *asus) +{ + int ret; + + ret = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_SCREENPAD_POWER); + if (ret < 0) + return ret; + /* 1 == powered */ + return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; +} + +static int read_screenpad_brightness(struct backlight_device *bd) +{ + struct asus_wmi *asus = bl_get_data(bd); + u32 retval; + int err; + + err = read_screenpad_backlight_power(asus); + if (err < 0) + return err; + /* The device brightness can only be read if powered, so return stored */ + if (err == FB_BLANK_POWERDOWN) + return asus->driver->screenpad_brightness - ASUS_SCREENPAD_BRIGHT_MIN; + + err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_SCREENPAD_LIGHT, &retval); + if (err < 0) + return err; + + return (retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK) - ASUS_SCREENPAD_BRIGHT_MIN; +} + +static int update_screenpad_bl_status(struct backlight_device *bd) +{ + struct asus_wmi *asus = bl_get_data(bd); + int power, err = 0; + u32 ctrl_param; + + power = read_screenpad_backlight_power(asus); + if (power < 0) + return power; + + if (bd->props.power != power) { + if (power != FB_BLANK_UNBLANK) { + /* Only brightness > 0 can power it back on */ + ctrl_param = asus->driver->screenpad_brightness - ASUS_SCREENPAD_BRIGHT_MIN; + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_SCREENPAD_LIGHT, + ctrl_param, NULL); + } else { + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_SCREENPAD_POWER, 0, NULL); + } + } else if (power == FB_BLANK_UNBLANK) { + /* Only set brightness if powered on or we get invalid/unsync state */ + ctrl_param = bd->props.brightness + ASUS_SCREENPAD_BRIGHT_MIN; + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_SCREENPAD_LIGHT, ctrl_param, NULL); + } + + /* Ensure brightness is stored to turn back on with */ + if (err == 0) + asus->driver->screenpad_brightness = bd->props.brightness + ASUS_SCREENPAD_BRIGHT_MIN; + + return err; +} + +static const struct backlight_ops asus_screenpad_bl_ops = { + .get_brightness = read_screenpad_brightness, + .update_status = update_screenpad_bl_status, + .options = BL_CORE_SUSPENDRESUME, +}; + +static int asus_screenpad_init(struct asus_wmi *asus) +{ + struct backlight_device *bd; + struct backlight_properties props; + int err, power; + int brightness = 0; + + power = read_screenpad_backlight_power(asus); + if (power < 0) + return power; + + if (power != FB_BLANK_POWERDOWN) { + err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_SCREENPAD_LIGHT, &brightness); + if (err < 0) + return err; + } + /* default to an acceptable min brightness on boot if too low */ + if (brightness < ASUS_SCREENPAD_BRIGHT_MIN) + brightness = ASUS_SCREENPAD_BRIGHT_DEFAULT; + + memset(&props, 0, sizeof(struct backlight_properties)); + props.type = BACKLIGHT_RAW; /* ensure this bd is last to be picked */ + props.max_brightness = ASUS_SCREENPAD_BRIGHT_MAX - ASUS_SCREENPAD_BRIGHT_MIN; + bd = backlight_device_register("asus_screenpad", + &asus->platform_device->dev, asus, + &asus_screenpad_bl_ops, &props); + if (IS_ERR(bd)) { + pr_err("Could not register backlight device\n"); + return PTR_ERR(bd); + } + + asus->screenpad_backlight_device = bd; + asus->driver->screenpad_brightness = brightness; + bd->props.brightness = brightness - ASUS_SCREENPAD_BRIGHT_MIN; + bd->props.power = power; + backlight_update_status(bd); + + return 0; +} + +static void asus_screenpad_exit(struct asus_wmi *asus) +{ + backlight_device_unregister(asus->screenpad_backlight_device); + + asus->screenpad_backlight_device = NULL; +} + /* Fn-lock ********************************************************************/ static bool asus_wmi_has_fnlock_key(struct asus_wmi *asus) @@ -4424,6 +4548,12 @@ static int asus_wmi_add(struct platform_device *pdev) } else if (asus->driver->quirks->wmi_backlight_set_devstate) err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL); + if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_SCREENPAD_LIGHT)) { + err = asus_screenpad_init(asus); + if (err && err != -ENODEV) + goto fail_screenpad; + } + if (asus_wmi_has_fnlock_key(asus)) { asus->fnlock_locked = fnlock_default; asus_wmi_fnlock_update(asus); @@ -4447,6 +4577,8 @@ fail_wmi_handler: asus_wmi_backlight_exit(asus); fail_backlight: asus_wmi_rfkill_exit(asus); +fail_screenpad: + asus_screenpad_exit(asus); fail_rfkill: asus_wmi_led_exit(asus); fail_leds: @@ -4473,6 +4605,7 @@ static int asus_wmi_remove(struct platform_device *device) asus = platform_get_drvdata(device); wmi_remove_notify_handler(asus->driver->event_guid); asus_wmi_backlight_exit(asus); + asus_screenpad_exit(asus); asus_wmi_input_exit(asus); asus_wmi_led_exit(asus); asus_wmi_rfkill_exit(asus); diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h index fc41d1b1bb7f..adb67c925724 100644 --- a/drivers/platform/x86/asus-wmi.h +++ b/drivers/platform/x86/asus-wmi.h @@ -57,6 +57,7 @@ struct quirk_entry { struct asus_wmi_driver { int brightness; int panel_power; + int screenpad_brightness; int wlan_ctrl_by_user; const char *name; diff --git a/drivers/platform/x86/hp/hp-bioscfg/biosattr-interface.c b/drivers/platform/x86/hp/hp-bioscfg/biosattr-interface.c index dea54f35b8b5..4da99cb7218d 100644 --- a/drivers/platform/x86/hp/hp-bioscfg/biosattr-interface.c +++ b/drivers/platform/x86/hp/hp-bioscfg/biosattr-interface.c @@ -19,7 +19,7 @@ struct bios_args { u32 command; u32 commandtype; u32 datasize; - u8 data[]; + u8 data[] __counted_by(datasize); }; /** diff --git a/drivers/platform/x86/inspur_platform_profile.c b/drivers/platform/x86/inspur_platform_profile.c new file mode 100644 index 000000000000..743705bddda3 --- /dev/null +++ b/drivers/platform/x86/inspur_platform_profile.c @@ -0,0 +1,216 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Inspur WMI Platform Profile + * + * Copyright (C) 2018 Ai Chao <aichao@kylinos.cn> + */ + +#include <linux/acpi.h> +#include <linux/device.h> +#include <linux/module.h> +#include <linux/platform_profile.h> +#include <linux/wmi.h> + +#define WMI_INSPUR_POWERMODE_BIOS_GUID "596C31E3-332D-43C9-AEE9-585493284F5D" + +enum inspur_wmi_method_ids { + INSPUR_WMI_GET_POWERMODE = 0x02, + INSPUR_WMI_SET_POWERMODE = 0x03, +}; + +/* + * Power Mode: + * 0x0: Balance Mode + * 0x1: Performance Mode + * 0x2: Power Saver Mode + */ +enum inspur_tmp_profile { + INSPUR_TMP_PROFILE_BALANCE = 0, + INSPUR_TMP_PROFILE_PERFORMANCE = 1, + INSPUR_TMP_PROFILE_POWERSAVE = 2, +}; + +struct inspur_wmi_priv { + struct wmi_device *wdev; + struct platform_profile_handler handler; +}; + +static int inspur_wmi_perform_query(struct wmi_device *wdev, + enum inspur_wmi_method_ids query_id, + void *buffer, size_t insize, + size_t outsize) +{ + struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; + struct acpi_buffer input = { insize, buffer}; + union acpi_object *obj; + acpi_status status; + int ret = 0; + + status = wmidev_evaluate_method(wdev, 0, query_id, &input, &output); + if (ACPI_FAILURE(status)) { + dev_err(&wdev->dev, "EC Powermode control failed: %s\n", + acpi_format_exception(status)); + return -EIO; + } + + obj = output.pointer; + if (!obj) + return -EINVAL; + + if (obj->type != ACPI_TYPE_BUFFER || + obj->buffer.length != outsize) { + ret = -EINVAL; + goto out_free; + } + + memcpy(buffer, obj->buffer.pointer, obj->buffer.length); + +out_free: + kfree(obj); + return ret; +} + +/* + * Set Power Mode to EC RAM. If Power Mode value greater than 0x3, + * return error + * Method ID: 0x3 + * Arg: 4 Bytes + * Byte [0]: Power Mode: + * 0x0: Balance Mode + * 0x1: Performance Mode + * 0x2: Power Saver Mode + * Return Value: 4 Bytes + * Byte [0]: Return Code + * 0x0: No Error + * 0x1: Error + */ +static int inspur_platform_profile_set(struct platform_profile_handler *pprof, + enum platform_profile_option profile) +{ + struct inspur_wmi_priv *priv = container_of(pprof, struct inspur_wmi_priv, + handler); + u8 ret_code[4] = {0, 0, 0, 0}; + int ret; + + switch (profile) { + case PLATFORM_PROFILE_BALANCED: + ret_code[0] = INSPUR_TMP_PROFILE_BALANCE; + break; + case PLATFORM_PROFILE_PERFORMANCE: + ret_code[0] = INSPUR_TMP_PROFILE_PERFORMANCE; + break; + case PLATFORM_PROFILE_LOW_POWER: + ret_code[0] = INSPUR_TMP_PROFILE_POWERSAVE; + break; + default: + return -EOPNOTSUPP; + } + + ret = inspur_wmi_perform_query(priv->wdev, INSPUR_WMI_SET_POWERMODE, + ret_code, sizeof(ret_code), + sizeof(ret_code)); + + if (ret < 0) + return ret; + + if (ret_code[0]) + return -EBADRQC; + + return 0; +} + +/* + * Get Power Mode from EC RAM, If Power Mode value greater than 0x3, + * return error + * Method ID: 0x2 + * Return Value: 4 Bytes + * Byte [0]: Return Code + * 0x0: No Error + * 0x1: Error + * Byte [1]: Power Mode + * 0x0: Balance Mode + * 0x1: Performance Mode + * 0x2: Power Saver Mode + */ +static int inspur_platform_profile_get(struct platform_profile_handler *pprof, + enum platform_profile_option *profile) +{ + struct inspur_wmi_priv *priv = container_of(pprof, struct inspur_wmi_priv, + handler); + u8 ret_code[4] = {0, 0, 0, 0}; + int ret; + + ret = inspur_wmi_perform_query(priv->wdev, INSPUR_WMI_GET_POWERMODE, + &ret_code, sizeof(ret_code), + sizeof(ret_code)); + if (ret < 0) + return ret; + + if (ret_code[0]) + return -EBADRQC; + + switch (ret_code[1]) { + case INSPUR_TMP_PROFILE_BALANCE: + *profile = PLATFORM_PROFILE_BALANCED; + break; + case INSPUR_TMP_PROFILE_PERFORMANCE: + *profile = PLATFORM_PROFILE_PERFORMANCE; + break; + case INSPUR_TMP_PROFILE_POWERSAVE: + *profile = PLATFORM_PROFILE_LOW_POWER; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int inspur_wmi_probe(struct wmi_device *wdev, const void *context) +{ + struct inspur_wmi_priv *priv; + + priv = devm_kzalloc(&wdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->wdev = wdev; + dev_set_drvdata(&wdev->dev, priv); + + priv->handler.profile_get = inspur_platform_profile_get; + priv->handler.profile_set = inspur_platform_profile_set; + + set_bit(PLATFORM_PROFILE_LOW_POWER, priv->handler.choices); + set_bit(PLATFORM_PROFILE_BALANCED, priv->handler.choices); + set_bit(PLATFORM_PROFILE_PERFORMANCE, priv->handler.choices); + + return platform_profile_register(&priv->handler); +} + +static void inspur_wmi_remove(struct wmi_device *wdev) +{ + platform_profile_remove(); +} + +static const struct wmi_device_id inspur_wmi_id_table[] = { + { .guid_string = WMI_INSPUR_POWERMODE_BIOS_GUID }, + { } +}; + +MODULE_DEVICE_TABLE(wmi, inspur_wmi_id_table); + +static struct wmi_driver inspur_wmi_driver = { + .driver = { + .name = "inspur-wmi-platform-profile", + .probe_type = PROBE_PREFER_ASYNCHRONOUS, + }, + .id_table = inspur_wmi_id_table, + .probe = inspur_wmi_probe, + .remove = inspur_wmi_remove, +}; + +module_wmi_driver(inspur_wmi_driver); + +MODULE_AUTHOR("Ai Chao <aichao@kylinos.cn>"); +MODULE_DESCRIPTION("Platform Profile Support for Inspur"); +MODULE_LICENSE("GPL"); diff --git a/drivers/platform/x86/intel/bytcrc_pwrsrc.c b/drivers/platform/x86/intel/bytcrc_pwrsrc.c index 8a022b90d12d..418b71af27ff 100644 --- a/drivers/platform/x86/intel/bytcrc_pwrsrc.c +++ b/drivers/platform/x86/intel/bytcrc_pwrsrc.c @@ -158,17 +158,16 @@ static int crc_pwrsrc_probe(struct platform_device *pdev) return 0; } -static int crc_pwrsrc_remove(struct platform_device *pdev) +static void crc_pwrsrc_remove(struct platform_device *pdev) { struct crc_pwrsrc_data *data = platform_get_drvdata(pdev); debugfs_remove_recursive(data->debug_dentry); - return 0; } static struct platform_driver crc_pwrsrc_driver = { .probe = crc_pwrsrc_probe, - .remove = crc_pwrsrc_remove, + .remove_new = crc_pwrsrc_remove, .driver = { .name = "crystal_cove_pwrsrc", }, diff --git a/drivers/platform/x86/intel/ifs/core.c b/drivers/platform/x86/intel/ifs/core.c index 306f886b52d2..7b11198d85a1 100644 --- a/drivers/platform/x86/intel/ifs/core.c +++ b/drivers/platform/x86/intel/ifs/core.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only /* Copyright(c) 2022 Intel Corporation. */ +#include <linux/bitfield.h> #include <linux/module.h> #include <linux/kdev_t.h> #include <linux/semaphore.h> @@ -10,13 +11,16 @@ #include "ifs.h" -#define X86_MATCH(model) \ +#define X86_MATCH(model, array_gen) \ X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 6, \ - INTEL_FAM6_##model, X86_FEATURE_CORE_CAPABILITIES, NULL) + INTEL_FAM6_##model, X86_FEATURE_CORE_CAPABILITIES, array_gen) static const struct x86_cpu_id ifs_cpu_ids[] __initconst = { - X86_MATCH(SAPPHIRERAPIDS_X), - X86_MATCH(EMERALDRAPIDS_X), + X86_MATCH(SAPPHIRERAPIDS_X, ARRAY_GEN0), + X86_MATCH(EMERALDRAPIDS_X, ARRAY_GEN0), + X86_MATCH(GRANITERAPIDS_X, ARRAY_GEN0), + X86_MATCH(GRANITERAPIDS_D, ARRAY_GEN0), + X86_MATCH(ATOM_CRESTMONT_X, ARRAY_GEN1), {} }; MODULE_DEVICE_TABLE(x86cpu, ifs_cpu_ids); @@ -94,6 +98,9 @@ static int __init ifs_init(void) for (i = 0; i < IFS_NUMTESTS; i++) { if (!(msrval & BIT(ifs_devices[i].test_caps->integrity_cap_bit))) continue; + ifs_devices[i].rw_data.generation = FIELD_GET(MSR_INTEGRITY_CAPS_SAF_GEN_MASK, + msrval); + ifs_devices[i].rw_data.array_gen = (u32)m->driver_data; ret = misc_register(&ifs_devices[i].misc); if (ret) goto err_exit; diff --git a/drivers/platform/x86/intel/ifs/ifs.h b/drivers/platform/x86/intel/ifs/ifs.h index 93191855890f..56b9f3e3cf76 100644 --- a/drivers/platform/x86/intel/ifs/ifs.h +++ b/drivers/platform/x86/intel/ifs/ifs.h @@ -137,6 +137,10 @@ #define MSR_CHUNKS_AUTHENTICATION_STATUS 0x000002c5 #define MSR_ACTIVATE_SCAN 0x000002c6 #define MSR_SCAN_STATUS 0x000002c7 +#define MSR_ARRAY_TRIGGER 0x000002d6 +#define MSR_ARRAY_STATUS 0x000002d7 +#define MSR_SAF_CTRL 0x000004f0 + #define SCAN_NOT_TESTED 0 #define SCAN_TEST_PASS 1 #define SCAN_TEST_FAIL 2 @@ -144,6 +148,9 @@ #define IFS_TYPE_SAF 0 #define IFS_TYPE_ARRAY_BIST 1 +#define ARRAY_GEN0 0 +#define ARRAY_GEN1 1 + /* MSR_SCAN_HASHES_STATUS bit fields */ union ifs_scan_hashes_status { u64 data; @@ -158,6 +165,19 @@ union ifs_scan_hashes_status { }; }; +union ifs_scan_hashes_status_gen2 { + u64 data; + struct { + u16 chunk_size; + u16 num_chunks; + u32 error_code :8; + u32 chunks_in_stride :9; + u32 rsvd :2; + u32 max_core_limit :12; + u32 valid :1; + }; +}; + /* MSR_CHUNKS_AUTH_STATUS bit fields */ union ifs_chunks_auth_status { u64 data; @@ -170,13 +190,31 @@ union ifs_chunks_auth_status { }; }; +union ifs_chunks_auth_status_gen2 { + u64 data; + struct { + u16 valid_chunks; + u16 total_chunks; + u32 error_code :8; + u32 rsvd2 :24; + }; +}; + /* MSR_ACTIVATE_SCAN bit fields */ union ifs_scan { u64 data; struct { - u32 start :8; - u32 stop :8; - u32 rsvd :16; + union { + struct { + u8 start; + u8 stop; + u16 rsvd; + } gen0; + struct { + u16 start; + u16 stop; + } gen2; + }; u32 delay :31; u32 sigmce :1; }; @@ -186,9 +224,17 @@ union ifs_scan { union ifs_status { u64 data; struct { - u32 chunk_num :8; - u32 chunk_stop_index :8; - u32 rsvd1 :16; + union { + struct { + u8 chunk_num; + u8 chunk_stop_index; + u16 rsvd1; + } gen0; + struct { + u16 chunk_num; + u16 chunk_stop_index; + } gen2; + }; u32 error_code :8; u32 rsvd2 :22; u32 control_error :1; @@ -229,6 +275,9 @@ struct ifs_test_caps { * @status: it holds simple status pass/fail/untested * @scan_details: opaque scan status code from h/w * @cur_batch: number indicating the currently loaded test file + * @generation: IFS test generation enumerated by hardware + * @chunk_size: size of a test chunk + * @array_gen: test generation of array test */ struct ifs_data { int loaded_version; @@ -238,6 +287,9 @@ struct ifs_data { int status; u64 scan_details; u32 cur_batch; + u32 generation; + u32 chunk_size; + u32 array_gen; }; struct ifs_work { diff --git a/drivers/platform/x86/intel/ifs/load.c b/drivers/platform/x86/intel/ifs/load.c index cefd0d886cfd..959b1878cae6 100644 --- a/drivers/platform/x86/intel/ifs/load.c +++ b/drivers/platform/x86/intel/ifs/load.c @@ -2,6 +2,7 @@ /* Copyright(c) 2022 Intel Corporation. */ #include <linux/firmware.h> +#include <linux/sizes.h> #include <asm/cpu.h> #include <asm/microcode.h> @@ -26,6 +27,11 @@ union meta_data { #define IFS_HEADER_SIZE (sizeof(struct microcode_header_intel)) #define META_TYPE_IFS 1 +#define INVALIDATE_STRIDE 0x1UL +#define IFS_GEN_STRIDE_AWARE 2 +#define AUTH_INTERRUPTED_ERROR 5 +#define IFS_AUTH_RETRY_CT 10 + static struct microcode_header_intel *ifs_header_ptr; /* pointer to the ifs image header */ static u64 ifs_hash_ptr; /* Address of ifs metadata (hash) */ static u64 ifs_test_image_ptr; /* 256B aligned address of test pattern */ @@ -44,7 +50,10 @@ static const char * const scan_hash_status[] = { static const char * const scan_authentication_status[] = { [0] = "No error reported", [1] = "Attempt to authenticate a chunk which is already marked as authentic", - [2] = "Chunk authentication error. The hash of chunk did not match expected value" + [2] = "Chunk authentication error. The hash of chunk did not match expected value", + [3] = "Reserved", + [4] = "Chunk outside the current stride", + [5] = "Authentication flow interrupted", }; #define MC_HEADER_META_TYPE_END (0) @@ -80,6 +89,23 @@ static struct metadata_header *find_meta_data(void *ucode, unsigned int meta_typ return NULL; } +static void hashcopy_err_message(struct device *dev, u32 err_code) +{ + if (err_code >= ARRAY_SIZE(scan_hash_status)) + dev_err(dev, "invalid error code 0x%x for hash copy\n", err_code); + else + dev_err(dev, "Hash copy error : %s\n", scan_hash_status[err_code]); +} + +static void auth_err_message(struct device *dev, u32 err_code) +{ + if (err_code >= ARRAY_SIZE(scan_authentication_status)) + dev_err(dev, "invalid error code 0x%x for authentication\n", err_code); + else + dev_err(dev, "Chunk authentication error : %s\n", + scan_authentication_status[err_code]); +} + /* * To copy scan hashes and authenticate test chunks, the initiating cpu must point * to the EDX:EAX to the test image in linear address. @@ -109,11 +135,7 @@ static void copy_hashes_authenticate_chunks(struct work_struct *work) if (!hashes_status.valid) { ifsd->loading_error = true; - if (err_code >= ARRAY_SIZE(scan_hash_status)) { - dev_err(dev, "invalid error code 0x%x for hash copy\n", err_code); - goto done; - } - dev_err(dev, "Hash copy error : %s", scan_hash_status[err_code]); + hashcopy_err_message(dev, err_code); goto done; } @@ -133,13 +155,7 @@ static void copy_hashes_authenticate_chunks(struct work_struct *work) if (err_code) { ifsd->loading_error = true; - if (err_code >= ARRAY_SIZE(scan_authentication_status)) { - dev_err(dev, - "invalid error code 0x%x for authentication\n", err_code); - goto done; - } - dev_err(dev, "Chunk authentication error %s\n", - scan_authentication_status[err_code]); + auth_err_message(dev, err_code); goto done; } } @@ -147,6 +163,102 @@ done: complete(&ifs_done); } +static int get_num_chunks(int gen, union ifs_scan_hashes_status_gen2 status) +{ + return gen >= IFS_GEN_STRIDE_AWARE ? status.chunks_in_stride : status.num_chunks; +} + +static bool need_copy_scan_hashes(struct ifs_data *ifsd) +{ + return !ifsd->loaded || + ifsd->generation < IFS_GEN_STRIDE_AWARE || + ifsd->loaded_version != ifs_header_ptr->rev; +} + +static int copy_hashes_authenticate_chunks_gen2(struct device *dev) +{ + union ifs_scan_hashes_status_gen2 hashes_status; + union ifs_chunks_auth_status_gen2 chunk_status; + u32 err_code, valid_chunks, total_chunks; + int i, num_chunks, chunk_size; + union meta_data *ifs_meta; + int starting_chunk_nr; + struct ifs_data *ifsd; + u64 linear_addr, base; + u64 chunk_table[2]; + int retry_count; + + ifsd = ifs_get_data(dev); + + if (need_copy_scan_hashes(ifsd)) { + wrmsrl(MSR_COPY_SCAN_HASHES, ifs_hash_ptr); + rdmsrl(MSR_SCAN_HASHES_STATUS, hashes_status.data); + + /* enumerate the scan image information */ + chunk_size = hashes_status.chunk_size * SZ_1K; + err_code = hashes_status.error_code; + + num_chunks = get_num_chunks(ifsd->generation, hashes_status); + + if (!hashes_status.valid) { + hashcopy_err_message(dev, err_code); + return -EIO; + } + ifsd->loaded_version = ifs_header_ptr->rev; + ifsd->chunk_size = chunk_size; + } else { + num_chunks = ifsd->valid_chunks; + chunk_size = ifsd->chunk_size; + } + + if (ifsd->generation >= IFS_GEN_STRIDE_AWARE) { + wrmsrl(MSR_SAF_CTRL, INVALIDATE_STRIDE); + rdmsrl(MSR_CHUNKS_AUTHENTICATION_STATUS, chunk_status.data); + if (chunk_status.valid_chunks != 0) { + dev_err(dev, "Couldn't invalidate installed stride - %d\n", + chunk_status.valid_chunks); + return -EIO; + } + } + + base = ifs_test_image_ptr; + ifs_meta = (union meta_data *)find_meta_data(ifs_header_ptr, META_TYPE_IFS); + starting_chunk_nr = ifs_meta->starting_chunk; + + /* scan data authentication and copy chunks to secured memory */ + for (i = 0; i < num_chunks; i++) { + retry_count = IFS_AUTH_RETRY_CT; + linear_addr = base + i * chunk_size; + + chunk_table[0] = starting_chunk_nr + i; + chunk_table[1] = linear_addr; + do { + wrmsrl(MSR_AUTHENTICATE_AND_COPY_CHUNK, (u64)chunk_table); + rdmsrl(MSR_CHUNKS_AUTHENTICATION_STATUS, chunk_status.data); + err_code = chunk_status.error_code; + } while (err_code == AUTH_INTERRUPTED_ERROR && --retry_count); + + if (err_code) { + ifsd->loading_error = true; + auth_err_message(dev, err_code); + return -EIO; + } + } + + valid_chunks = chunk_status.valid_chunks; + total_chunks = chunk_status.total_chunks; + + if (valid_chunks != total_chunks) { + ifsd->loading_error = true; + dev_err(dev, "Couldn't authenticate all the chunks. Authenticated %d total %d.\n", + valid_chunks, total_chunks); + return -EIO; + } + ifsd->valid_chunks = valid_chunks; + + return 0; +} + static int validate_ifs_metadata(struct device *dev) { struct ifs_data *ifsd = ifs_get_data(dev); @@ -179,6 +291,13 @@ static int validate_ifs_metadata(struct device *dev) return ret; } + if (ifs_meta->chunks_per_stride && + (ifs_meta->starting_chunk % ifs_meta->chunks_per_stride != 0)) { + dev_warn(dev, "Starting chunk num %u not a multiple of chunks_per_stride %u\n", + ifs_meta->starting_chunk, ifs_meta->chunks_per_stride); + return ret; + } + return 0; } @@ -199,7 +318,9 @@ static int scan_chunks_sanity_check(struct device *dev) return ret; ifsd->loading_error = false; - ifsd->loaded_version = ifs_header_ptr->rev; + + if (ifsd->generation > 0) + return copy_hashes_authenticate_chunks_gen2(dev); /* copy the scan hash and authenticate per package */ cpus_read_lock(); @@ -219,6 +340,7 @@ static int scan_chunks_sanity_check(struct device *dev) ifs_pkg_auth[curr_pkg] = 1; } ret = 0; + ifsd->loaded_version = ifs_header_ptr->rev; out: cpus_read_unlock(); @@ -260,6 +382,7 @@ int ifs_load_firmware(struct device *dev) { const struct ifs_test_caps *test = ifs_get_test_caps(dev); struct ifs_data *ifsd = ifs_get_data(dev); + unsigned int expected_size; const struct firmware *fw; char scan_path[64]; int ret = -EINVAL; @@ -274,6 +397,13 @@ int ifs_load_firmware(struct device *dev) goto done; } + expected_size = ((struct microcode_header_intel *)fw->data)->totalsize; + if (fw->size != expected_size) { + dev_err(dev, "File size mismatch (expected %u, actual %zu). Corrupted IFS image.\n", + expected_size, fw->size); + return -EINVAL; + } + ret = image_sanity_check(dev, (struct microcode_header_intel *)fw->data); if (ret) goto release; diff --git a/drivers/platform/x86/intel/ifs/runtest.c b/drivers/platform/x86/intel/ifs/runtest.c index 43c864add778..13ecd55c6668 100644 --- a/drivers/platform/x86/intel/ifs/runtest.c +++ b/drivers/platform/x86/intel/ifs/runtest.c @@ -40,6 +40,8 @@ enum ifs_status_err_code { IFS_UNASSIGNED_ERROR_CODE = 7, IFS_EXCEED_NUMBER_OF_THREADS_CONCURRENT = 8, IFS_INTERRUPTED_DURING_EXECUTION = 9, + IFS_UNASSIGNED_ERROR_CODE_0xA = 0xA, + IFS_CORRUPTED_CHUNK = 0xB, }; static const char * const scan_test_status[] = { @@ -55,6 +57,8 @@ static const char * const scan_test_status[] = { [IFS_EXCEED_NUMBER_OF_THREADS_CONCURRENT] = "Exceeded number of Logical Processors (LP) allowed to run Scan-At-Field concurrently", [IFS_INTERRUPTED_DURING_EXECUTION] = "Interrupt occurred prior to SCAN start", + [IFS_UNASSIGNED_ERROR_CODE_0xA] = "Unassigned error code 0xA", + [IFS_CORRUPTED_CHUNK] = "Scan operation aborted due to corrupted image. Try reloading", }; static void message_not_tested(struct device *dev, int cpu, union ifs_status status) @@ -123,6 +127,8 @@ static bool can_restart(union ifs_status status) case IFS_MISMATCH_ARGUMENTS_BETWEEN_THREADS: case IFS_CORE_NOT_CAPABLE_CURRENTLY: case IFS_UNASSIGNED_ERROR_CODE: + case IFS_UNASSIGNED_ERROR_CODE_0xA: + case IFS_CORRUPTED_CHUNK: break; } return false; @@ -171,21 +177,31 @@ static void ifs_test_core(int cpu, struct device *dev) union ifs_status status; unsigned long timeout; struct ifs_data *ifsd; + int to_start, to_stop; + int status_chunk; u64 msrvals[2]; int retries; ifsd = ifs_get_data(dev); - activate.rsvd = 0; + activate.gen0.rsvd = 0; activate.delay = IFS_THREAD_WAIT; activate.sigmce = 0; - activate.start = 0; - activate.stop = ifsd->valid_chunks - 1; + to_start = 0; + to_stop = ifsd->valid_chunks - 1; + + if (ifsd->generation) { + activate.gen2.start = to_start; + activate.gen2.stop = to_stop; + } else { + activate.gen0.start = to_start; + activate.gen0.stop = to_stop; + } timeout = jiffies + HZ / 2; retries = MAX_IFS_RETRIES; - while (activate.start <= activate.stop) { + while (to_start <= to_stop) { if (time_after(jiffies, timeout)) { status.error_code = IFS_SW_TIMEOUT; break; @@ -196,13 +212,14 @@ static void ifs_test_core(int cpu, struct device *dev) status.data = msrvals[1]; - trace_ifs_status(cpu, activate, status); + trace_ifs_status(cpu, to_start, to_stop, status.data); /* Some cases can be retried, give up for others */ if (!can_restart(status)) break; - if (status.chunk_num == activate.start) { + status_chunk = ifsd->generation ? status.gen2.chunk_num : status.gen0.chunk_num; + if (status_chunk == to_start) { /* Check for forward progress */ if (--retries == 0) { if (status.error_code == IFS_NO_ERROR) @@ -211,7 +228,11 @@ static void ifs_test_core(int cpu, struct device *dev) } } else { retries = MAX_IFS_RETRIES; - activate.start = status.chunk_num; + if (ifsd->generation) + activate.gen2.start = status_chunk; + else + activate.gen0.start = status_chunk; + to_start = status_chunk; } } @@ -308,6 +329,38 @@ static void ifs_array_test_core(int cpu, struct device *dev) ifsd->status = SCAN_TEST_PASS; } +#define ARRAY_GEN1_TEST_ALL_ARRAYS 0x0ULL +#define ARRAY_GEN1_STATUS_FAIL 0x1ULL + +static int do_array_test_gen1(void *status) +{ + int cpu = smp_processor_id(); + int first; + + first = cpumask_first(cpu_smt_mask(cpu)); + + if (cpu == first) { + wrmsrl(MSR_ARRAY_TRIGGER, ARRAY_GEN1_TEST_ALL_ARRAYS); + rdmsrl(MSR_ARRAY_STATUS, *((u64 *)status)); + } + + return 0; +} + +static void ifs_array_test_gen1(int cpu, struct device *dev) +{ + struct ifs_data *ifsd = ifs_get_data(dev); + u64 status = 0; + + stop_core_cpuslocked(cpu, do_array_test_gen1, &status); + ifsd->scan_details = status; + + if (status & ARRAY_GEN1_STATUS_FAIL) + ifsd->status = SCAN_TEST_FAIL; + else + ifsd->status = SCAN_TEST_PASS; +} + /* * Initiate per core test. It wakes up work queue threads on the target cpu and * its sibling cpu. Once all sibling threads wake up, the scan test gets executed and @@ -336,7 +389,10 @@ int do_core_test(int cpu, struct device *dev) ifs_test_core(cpu, dev); break; case IFS_TYPE_ARRAY_BIST: - ifs_array_test_core(cpu, dev); + if (ifsd->array_gen == ARRAY_GEN0) + ifs_array_test_core(cpu, dev); + else + ifs_array_test_gen1(cpu, dev); break; default: ret = -EINVAL; diff --git a/drivers/platform/x86/intel/speed_select_if/isst_if_mmio.c b/drivers/platform/x86/intel/speed_select_if/isst_if_mmio.c index ff49025ec085..3f4343147dad 100644 --- a/drivers/platform/x86/intel/speed_select_if/isst_if_mmio.c +++ b/drivers/platform/x86/intel/speed_select_if/isst_if_mmio.c @@ -18,16 +18,17 @@ struct isst_mmio_range { int beg; int end; + int size; }; static struct isst_mmio_range mmio_range_devid_0[] = { - {0x04, 0x14}, - {0x20, 0xD0}, + {0x04, 0x14, 0x18}, + {0x20, 0xD0, 0xD4}, }; static struct isst_mmio_range mmio_range_devid_1[] = { - {0x04, 0x14}, - {0x20, 0x11C}, + {0x04, 0x14, 0x18}, + {0x20, 0x11C, 0x120}, }; struct isst_if_device { @@ -93,6 +94,7 @@ static int isst_if_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct isst_if_device *punit_dev; struct isst_if_cmd_cb cb; u32 mmio_base, pcu_base; + struct resource r; u64 base_addr; int ret; @@ -114,13 +116,16 @@ static int isst_if_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pcu_base &= GENMASK(10, 0); base_addr = (u64)mmio_base << 23 | (u64) pcu_base << 12; - punit_dev->punit_mmio = devm_ioremap(&pdev->dev, base_addr, 256); - if (!punit_dev->punit_mmio) - return -ENOMEM; + + punit_dev->mmio_range = (struct isst_mmio_range *) ent->driver_data; + + r = DEFINE_RES_MEM(base_addr, punit_dev->mmio_range[1].size); + punit_dev->punit_mmio = devm_ioremap_resource(&pdev->dev, &r); + if (IS_ERR(punit_dev->punit_mmio)) + return PTR_ERR(punit_dev->punit_mmio); mutex_init(&punit_dev->mutex); pci_set_drvdata(pdev, punit_dev); - punit_dev->mmio_range = (struct isst_mmio_range *) ent->driver_data; memset(&cb, 0, sizeof(cb)); cb.cmd_size = sizeof(struct isst_if_io_reg); diff --git a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c index 63faa2ea8327..0b6d2c864437 100644 --- a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c +++ b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c @@ -30,7 +30,8 @@ #include "isst_if_common.h" /* Supported SST hardware version by this driver */ -#define ISST_HEADER_VERSION 1 +#define ISST_MAJOR_VERSION 0 +#define ISST_MINOR_VERSION 1 /* * Used to indicate if value read from MMIO needs to get multiplied @@ -352,21 +353,25 @@ static int sst_main(struct auxiliary_device *auxdev, struct tpmi_per_power_domai pd_info->sst_header.cp_offset *= 8; pd_info->sst_header.pp_offset *= 8; - if (pd_info->sst_header.interface_version != ISST_HEADER_VERSION) { - dev_err(&auxdev->dev, "SST: Unsupported version:%x\n", - pd_info->sst_header.interface_version); + if (pd_info->sst_header.interface_version == TPMI_VERSION_INVALID) + return -ENODEV; + + if (TPMI_MAJOR_VERSION(pd_info->sst_header.interface_version) != ISST_MAJOR_VERSION) { + dev_err(&auxdev->dev, "SST: Unsupported major version:%lx\n", + TPMI_MAJOR_VERSION(pd_info->sst_header.interface_version)); return -ENODEV; } + if (TPMI_MINOR_VERSION(pd_info->sst_header.interface_version) != ISST_MINOR_VERSION) + dev_info(&auxdev->dev, "SST: Ignore: Unsupported minor version:%lx\n", + TPMI_MINOR_VERSION(pd_info->sst_header.interface_version)); + /* Read SST CP Header */ *((u64 *)&pd_info->cp_header) = readq(pd_info->sst_base + pd_info->sst_header.cp_offset); /* Read PP header */ *((u64 *)&pd_info->pp_header) = readq(pd_info->sst_base + pd_info->sst_header.pp_offset); - /* Force level_en_mask level 0 */ - pd_info->pp_header.level_en_mask |= 0x01; - mask = 0x01; levels = 0; for (i = 0; i < 8; ++i) { @@ -704,7 +709,7 @@ static int isst_if_get_perf_level(void __user *argp) return -EINVAL; perf_level.max_level = power_domain_info->max_level; - perf_level.level_mask = power_domain_info->pp_header.allowed_level_mask; + perf_level.level_mask = power_domain_info->pp_header.level_en_mask; perf_level.feature_rev = power_domain_info->pp_header.feature_rev; _read_pp_info("current_level", perf_level.current_level, SST_PP_STATUS_OFFSET, SST_PP_LEVEL_START, SST_PP_LEVEL_WIDTH, SST_MUL_FACTOR_NONE) diff --git a/drivers/platform/x86/intel/tpmi.c b/drivers/platform/x86/intel/tpmi.c index 0a95736d97e4..311abcac894a 100644 --- a/drivers/platform/x86/intel/tpmi.c +++ b/drivers/platform/x86/intel/tpmi.c @@ -143,6 +143,33 @@ struct tpmi_info_header { u64 lock:1; } __packed; +/** + * struct tpmi_feature_state - Structure to read hardware state of a feature + * @enabled: Enable state of a feature, 1: enabled, 0: disabled + * @reserved_1: Reserved for future use + * @write_blocked: Writes are blocked means all write operations are ignored + * @read_blocked: Reads are blocked means will read 0xFFs + * @pcs_select: Interface used by out of band software, not used in OS + * @reserved_2: Reserved for future use + * @id: TPMI ID of the feature + * @reserved_3: Reserved for future use + * @locked: When set to 1, OS can't change this register. + * + * The structure is used to read hardware state of a TPMI feature. This + * information is used for debug and restricting operations for this feature. + */ +struct tpmi_feature_state { + u32 enabled:1; + u32 reserved_1:3; + u32 write_blocked:1; + u32 read_blocked:1; + u32 pcs_select:1; + u32 reserved_2:1; + u32 id:8; + u32 reserved_3:15; + u32 locked:1; +} __packed; + /* * List of supported TMPI IDs. * Some TMPI IDs are not used by Linux, so the numbers are not consecutive. @@ -202,6 +229,7 @@ EXPORT_SYMBOL_NS_GPL(tpmi_get_resource_at_index, INTEL_TPMI); #define TPMI_CONTROL_STATUS_OFFSET 0x00 #define TPMI_COMMAND_OFFSET 0x08 +#define TMPI_CONTROL_DATA_VAL_OFFSET 0x0c /* * Spec is calling for max 1 seconds to get ownership at the worst @@ -230,7 +258,6 @@ EXPORT_SYMBOL_NS_GPL(tpmi_get_resource_at_index, INTEL_TPMI); /* TPMI command data registers */ #define TMPI_CONTROL_DATA_CMD GENMASK_ULL(7, 0) -#define TMPI_CONTROL_DATA_VAL GENMASK_ULL(63, 32) #define TPMI_CONTROL_DATA_VAL_FEATURE GENMASK_ULL(48, 40) /* Command to send via control interface */ @@ -240,9 +267,6 @@ EXPORT_SYMBOL_NS_GPL(tpmi_get_resource_at_index, INTEL_TPMI); #define TPMI_CMD_LEN_MASK GENMASK_ULL(18, 16) -#define TPMI_STATE_DISABLED BIT_ULL(0) -#define TPMI_STATE_LOCKED BIT_ULL(31) - /* Mutex to complete get feature status without interruption */ static DEFINE_MUTEX(tpmi_dev_lock); @@ -256,7 +280,7 @@ static int tpmi_wait_for_owner(struct intel_tpmi_info *tpmi_info, u8 owner) } static int tpmi_read_feature_status(struct intel_tpmi_info *tpmi_info, int feature_id, - int *locked, int *disabled) + struct tpmi_feature_state *feature_state) { u64 control, data; int ret; @@ -306,17 +330,8 @@ static int tpmi_read_feature_status(struct intel_tpmi_info *tpmi_info, int featu } /* Response is ready */ - data = readq(tpmi_info->tpmi_control_mem + TPMI_COMMAND_OFFSET); - data = FIELD_GET(TMPI_CONTROL_DATA_VAL, data); - - *disabled = 0; - *locked = 0; - - if (!(data & TPMI_STATE_DISABLED)) - *disabled = 1; - - if (data & TPMI_STATE_LOCKED) - *locked = 1; + memcpy_fromio(feature_state, tpmi_info->tpmi_control_mem + TMPI_CONTROL_DATA_VAL_OFFSET, + sizeof(*feature_state)); ret = 0; @@ -335,34 +350,50 @@ int tpmi_get_feature_status(struct auxiliary_device *auxdev, int feature_id, { struct intel_vsec_device *intel_vsec_dev = dev_to_ivdev(auxdev->dev.parent); struct intel_tpmi_info *tpmi_info = auxiliary_get_drvdata(&intel_vsec_dev->auxdev); + struct tpmi_feature_state feature_state; + int ret; + + ret = tpmi_read_feature_status(tpmi_info, feature_id, &feature_state); + if (ret) + return ret; - return tpmi_read_feature_status(tpmi_info, feature_id, locked, disabled); + *locked = feature_state.locked; + *disabled = !feature_state.enabled; + + return 0; } EXPORT_SYMBOL_NS_GPL(tpmi_get_feature_status, INTEL_TPMI); static int tpmi_pfs_dbg_show(struct seq_file *s, void *unused) { struct intel_tpmi_info *tpmi_info = s->private; + int locked, disabled, read_blocked, write_blocked; + struct tpmi_feature_state feature_state; struct intel_tpmi_pm_feature *pfs; - int locked, disabled, ret, i; + int ret, i; + seq_printf(s, "tpmi PFS start offset 0x:%llx\n", tpmi_info->pfs_start); - seq_puts(s, "tpmi_id\t\tentries\t\tsize\t\tcap_offset\tattribute\tvsec_offset\tlocked\tdisabled\n"); + seq_puts(s, "tpmi_id\t\tentries\t\tsize\t\tcap_offset\tattribute\tvsec_offset\tlocked\tdisabled\tread_blocked\twrite_blocked\n"); for (i = 0; i < tpmi_info->feature_count; ++i) { pfs = &tpmi_info->tpmi_features[i]; - ret = tpmi_read_feature_status(tpmi_info, pfs->pfs_header.tpmi_id, &locked, - &disabled); + ret = tpmi_read_feature_status(tpmi_info, pfs->pfs_header.tpmi_id, &feature_state); if (ret) { locked = 'U'; disabled = 'U'; + read_blocked = 'U'; + write_blocked = 'U'; } else { - disabled = disabled ? 'Y' : 'N'; - locked = locked ? 'Y' : 'N'; + disabled = feature_state.enabled ? 'N' : 'Y'; + locked = feature_state.locked ? 'Y' : 'N'; + read_blocked = feature_state.read_blocked ? 'Y' : 'N'; + write_blocked = feature_state.write_blocked ? 'Y' : 'N'; } - seq_printf(s, "0x%02x\t\t0x%02x\t\t0x%04x\t\t0x%04x\t\t0x%02x\t\t0x%08x\t%c\t%c\n", + seq_printf(s, "0x%02x\t\t0x%02x\t\t0x%04x\t\t0x%04x\t\t0x%02x\t\t0x%08x\t%c\t%c\t\t%c\t\t%c\n", pfs->pfs_header.tpmi_id, pfs->pfs_header.num_entries, pfs->pfs_header.entry_size, pfs->pfs_header.cap_offset, - pfs->pfs_header.attribute, pfs->vsec_offset, locked, disabled); + pfs->pfs_header.attribute, pfs->vsec_offset, locked, disabled, + read_blocked, write_blocked); } return 0; diff --git a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c index 7d0a67f8b517..4fb790552c47 100644 --- a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c +++ b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c @@ -28,7 +28,8 @@ #include "uncore-frequency-common.h" -#define UNCORE_HEADER_VERSION 1 +#define UNCORE_MAJOR_VERSION 0 +#define UNCORE_MINOR_VERSION 1 #define UNCORE_HEADER_INDEX 0 #define UNCORE_FABRIC_CLUSTER_OFFSET 8 @@ -302,12 +303,21 @@ static int uncore_probe(struct auxiliary_device *auxdev, const struct auxiliary_ /* Check for version and skip this resource if there is mismatch */ header = readq(pd_info->uncore_base); pd_info->ufs_header_ver = header & UNCORE_VERSION_MASK; - if (pd_info->ufs_header_ver != UNCORE_HEADER_VERSION) { - dev_info(&auxdev->dev, "Uncore: Unsupported version:%d\n", - pd_info->ufs_header_ver); + + if (pd_info->ufs_header_ver == TPMI_VERSION_INVALID) continue; + + if (TPMI_MAJOR_VERSION(pd_info->ufs_header_ver) != UNCORE_MAJOR_VERSION) { + dev_err(&auxdev->dev, "Uncore: Unsupported major version:%lx\n", + TPMI_MAJOR_VERSION(pd_info->ufs_header_ver)); + ret = -ENODEV; + goto remove_clusters; } + if (TPMI_MINOR_VERSION(pd_info->ufs_header_ver) != UNCORE_MINOR_VERSION) + dev_info(&auxdev->dev, "Uncore: Ignore: Unsupported minor version:%lx\n", + TPMI_MINOR_VERSION(pd_info->ufs_header_ver)); + /* Get Cluster ID Mask */ cluster_mask = FIELD_GET(UNCORE_LOCAL_FABRIC_CLUSTER_ID_MASK, header); if (!cluster_mask) { diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c index a2ffe4157df1..32981e2ad3b3 100644 --- a/drivers/platform/x86/mlx-platform.c +++ b/drivers/platform/x86/mlx-platform.c @@ -368,7 +368,7 @@ struct mlxplat_priv { }; static struct platform_device *mlxplat_dev; -static int mlxplat_i2c_main_complition_notify(void *handle, int id); +static int mlxplat_i2c_main_completion_notify(void *handle, int id); static void __iomem *i2c_bridge_addr, *jtag_bridge_addr; /* Regions for LPC I2C controller and LPC base register space */ @@ -384,7 +384,7 @@ static const struct resource mlxplat_lpc_resources[] = { /* Platform systems default i2c data */ static struct mlxreg_core_hotplug_platform_data mlxplat_mlxcpld_i2c_default_data = { - .completion_notify = mlxplat_i2c_main_complition_notify, + .completion_notify = mlxplat_i2c_main_completion_notify, }; /* Platform i2c next generation systems data */ @@ -409,7 +409,7 @@ static struct mlxreg_core_hotplug_platform_data mlxplat_mlxcpld_i2c_ng_data = { .mask = MLXPLAT_CPLD_AGGR_MASK_COMEX, .cell_low = MLXPLAT_CPLD_LPC_REG_AGGRCO_OFFSET, .mask_low = MLXPLAT_CPLD_LOW_AGGR_MASK_I2C, - .completion_notify = mlxplat_i2c_main_complition_notify, + .completion_notify = mlxplat_i2c_main_completion_notify, }; /* Platform default channels */ @@ -6291,7 +6291,7 @@ static void mlxplat_pci_fpga_devices_exit(void) } static int -mlxplat_pre_init(struct resource **hotplug_resources, unsigned int *hotplug_resources_size) +mlxplat_logicdev_init(struct resource **hotplug_resources, unsigned int *hotplug_resources_size) { int err; @@ -6302,7 +6302,7 @@ mlxplat_pre_init(struct resource **hotplug_resources, unsigned int *hotplug_reso return err; } -static void mlxplat_post_exit(void) +static void mlxplat_logicdev_exit(void) { if (lpc_bridge) mlxplat_pci_fpga_devices_exit(); @@ -6310,7 +6310,7 @@ static void mlxplat_post_exit(void) mlxplat_lpc_cpld_device_exit(); } -static int mlxplat_post_init(struct mlxplat_priv *priv) +static int mlxplat_platdevs_init(struct mlxplat_priv *priv) { int i = 0, err; @@ -6407,7 +6407,7 @@ fail_platform_hotplug_register: return err; } -static void mlxplat_pre_exit(struct mlxplat_priv *priv) +static void mlxplat_platdevs_exit(struct mlxplat_priv *priv) { int i; @@ -6429,7 +6429,7 @@ mlxplat_i2c_mux_complition_notify(void *handle, struct i2c_adapter *parent, { struct mlxplat_priv *priv = handle; - return mlxplat_post_init(priv); + return mlxplat_platdevs_init(priv); } static int mlxplat_i2c_mux_topology_init(struct mlxplat_priv *priv) @@ -6471,7 +6471,7 @@ static void mlxplat_i2c_mux_topology_exit(struct mlxplat_priv *priv) } } -static int mlxplat_i2c_main_complition_notify(void *handle, int id) +static int mlxplat_i2c_main_completion_notify(void *handle, int id) { struct mlxplat_priv *priv = handle; @@ -6522,7 +6522,7 @@ fail_mlxplat_mlxcpld_verify_bus_topology: static void mlxplat_i2c_main_exit(struct mlxplat_priv *priv) { - mlxplat_pre_exit(priv); + mlxplat_platdevs_exit(priv); mlxplat_i2c_mux_topology_exit(priv); if (priv->pdev_i2c) platform_device_unregister(priv->pdev_i2c); @@ -6544,7 +6544,7 @@ static int mlxplat_probe(struct platform_device *pdev) mlxplat_dev = pdev; } - err = mlxplat_pre_init(&hotplug_resources, &hotplug_resources_size); + err = mlxplat_logicdev_init(&hotplug_resources, &hotplug_resources_size); if (err) return err; @@ -6603,12 +6603,12 @@ fail_regcache_sync: fail_mlxplat_i2c_main_init: fail_regmap_write: fail_alloc: - mlxplat_post_exit(); + mlxplat_logicdev_exit(); return err; } -static int mlxplat_remove(struct platform_device *pdev) +static void mlxplat_remove(struct platform_device *pdev) { struct mlxplat_priv *priv = platform_get_drvdata(mlxplat_dev); @@ -6617,8 +6617,7 @@ static int mlxplat_remove(struct platform_device *pdev) if (mlxplat_reboot_nb) unregister_reboot_notifier(mlxplat_reboot_nb); mlxplat_i2c_main_exit(priv); - mlxplat_post_exit(); - return 0; + mlxplat_logicdev_exit(); } static const struct acpi_device_id mlxplat_acpi_table[] = { @@ -6634,7 +6633,7 @@ static struct platform_driver mlxplat_driver = { .probe_type = PROBE_FORCE_SYNCHRONOUS, }, .probe = mlxplat_probe, - .remove = mlxplat_remove, + .remove_new = mlxplat_remove, }; static int __init mlxplat_init(void) diff --git a/drivers/platform/x86/msi-ec.c b/drivers/platform/x86/msi-ec.c index 492eb383ee7a..f19504dbf164 100644 --- a/drivers/platform/x86/msi-ec.c +++ b/drivers/platform/x86/msi-ec.c @@ -58,7 +58,7 @@ static struct msi_ec_conf CONF0 __initdata = { .block_address = 0x2f, .bit = 1, }, - .fn_super_swap = { + .fn_win_swap = { .address = 0xbf, .bit = 4, }, @@ -138,7 +138,7 @@ static struct msi_ec_conf CONF1 __initdata = { .block_address = 0x2f, .bit = 1, }, - .fn_super_swap = { + .fn_win_swap = { .address = 0xbf, .bit = 4, }, @@ -215,7 +215,7 @@ static struct msi_ec_conf CONF2 __initdata = { .block_address = 0x2f, .bit = 1, }, - .fn_super_swap = { + .fn_win_swap = { .address = 0xe8, .bit = 4, }, @@ -293,7 +293,7 @@ static struct msi_ec_conf CONF3 __initdata = { .block_address = 0x2f, .bit = 1, }, - .fn_super_swap = { + .fn_win_swap = { .address = 0xe8, .bit = 4, }, @@ -371,7 +371,7 @@ static struct msi_ec_conf CONF4 __initdata = { .block_address = 0x2f, .bit = 1, }, - .fn_super_swap = { + .fn_win_swap = { .address = MSI_EC_ADDR_UNKNOWN, // supported, but unknown .bit = 4, }, @@ -450,7 +450,7 @@ static struct msi_ec_conf CONF5 __initdata = { .block_address = 0x2f, .bit = 1, }, - .fn_super_swap = { // todo: reverse + .fn_win_swap = { // todo: reverse .address = 0xbf, .bit = 4, }, @@ -528,7 +528,7 @@ static struct msi_ec_conf CONF6 __initdata = { .block_address = MSI_EC_ADDR_UNSUPP, .bit = 1, }, - .fn_super_swap = { + .fn_win_swap = { .address = 0xbf, // todo: reverse .bit = 4, }, @@ -608,7 +608,7 @@ static struct msi_ec_conf CONF7 __initdata = { .block_address = MSI_EC_ADDR_UNSUPP, .bit = 1, }, - .fn_super_swap = { + .fn_win_swap = { .address = 0xbf, // needs testing .bit = 4, }, @@ -667,6 +667,467 @@ static struct msi_ec_conf CONF7 __initdata = { }, }; +static const char * const ALLOWED_FW_8[] __initconst = { + "14F1EMS1.115", + NULL +}; + +static struct msi_ec_conf CONF8 __initdata = { + .allowed_fw = ALLOWED_FW_8, + .charge_control = { + .address = 0xd7, + .offset_start = 0x8a, + .offset_end = 0x80, + .range_min = 0x8a, + .range_max = 0xe4, + }, + .webcam = { + .address = 0x2e, + .block_address = MSI_EC_ADDR_UNSUPP, + .bit = 1, + }, + .fn_win_swap = { + .address = 0xe8, + .bit = 4, + }, + .cooler_boost = { + .address = 0x98, + .bit = 7, + }, + .shift_mode = { + .address = 0xd2, + .modes = { + { SM_ECO_NAME, 0xc2 }, + { SM_COMFORT_NAME, 0xc1 }, + { SM_SPORT_NAME, 0xc0 }, + MSI_EC_MODE_NULL + }, + }, + .super_battery = { + .address = 0xeb, + .mask = 0x0f, + }, + .fan_mode = { + .address = 0xd4, + .modes = { + { FM_AUTO_NAME, 0x0d }, + { FM_SILENT_NAME, 0x1d }, + { FM_BASIC_NAME, 0x4d }, + MSI_EC_MODE_NULL + }, + }, + .cpu = { + .rt_temp_address = 0x68, + .rt_fan_speed_address = 0x71, + .rt_fan_speed_base_min = 0x19, + .rt_fan_speed_base_max = 0x37, + .bs_fan_speed_address = MSI_EC_ADDR_UNSUPP, + .bs_fan_speed_base_min = 0x00, + .bs_fan_speed_base_max = 0x0f, + }, + .gpu = { + .rt_temp_address = MSI_EC_ADDR_UNKNOWN, + .rt_fan_speed_address = MSI_EC_ADDR_UNKNOWN, + }, + .leds = { + .micmute_led_address = MSI_EC_ADDR_UNSUPP, + .mute_led_address = 0x2d, + .bit = 1, + }, + .kbd_bl = { + .bl_mode_address = MSI_EC_ADDR_UNKNOWN, // ? + .bl_modes = { 0x00, 0x08 }, // ? + .max_mode = 1, // ? + .bl_state_address = MSI_EC_ADDR_UNSUPP, // not functional + .state_base_value = 0x80, + .max_state = 3, + }, +}; + +static const char * const ALLOWED_FW_9[] __initconst = { + "14JKEMS1.104", + NULL +}; + +static struct msi_ec_conf CONF9 __initdata = { + .allowed_fw = ALLOWED_FW_9, + .charge_control = { + .address = 0xef, + .offset_start = 0x8a, + .offset_end = 0x80, + .range_min = 0x8a, + .range_max = 0xe4, + }, + .webcam = { + .address = 0x2e, + .block_address = 0x2f, + .bit = 1, + }, + .fn_win_swap = { + .address = 0xbf, + .bit = 4, + }, + .cooler_boost = { + .address = 0x98, + .bit = 7, + }, + .shift_mode = { + .address = 0xf2, + .modes = { + { SM_ECO_NAME, 0xc2 }, + { SM_COMFORT_NAME, 0xc1 }, + { SM_SPORT_NAME, 0xc0 }, + MSI_EC_MODE_NULL + }, + }, + .super_battery = { + .address = MSI_EC_ADDR_UNSUPP, // unsupported or enabled by ECO shift + .mask = 0x0f, + }, + .fan_mode = { + .address = 0xf4, + .modes = { + { FM_AUTO_NAME, 0x0d }, + { FM_SILENT_NAME, 0x1d }, + { FM_ADVANCED_NAME, 0x8d }, + MSI_EC_MODE_NULL + }, + }, + .cpu = { + .rt_temp_address = 0x68, + .rt_fan_speed_address = 0x71, + .rt_fan_speed_base_min = 0x00, + .rt_fan_speed_base_max = 0x96, + .bs_fan_speed_address = MSI_EC_ADDR_UNSUPP, + .bs_fan_speed_base_min = 0x00, + .bs_fan_speed_base_max = 0x0f, + }, + .gpu = { + .rt_temp_address = MSI_EC_ADDR_UNSUPP, + .rt_fan_speed_address = MSI_EC_ADDR_UNSUPP, + }, + .leds = { + .micmute_led_address = 0x2b, + .mute_led_address = 0x2c, + .bit = 2, + }, + .kbd_bl = { + .bl_mode_address = MSI_EC_ADDR_UNSUPP, // not presented in MSI app + .bl_modes = { 0x00, 0x08 }, + .max_mode = 1, + .bl_state_address = 0xf3, + .state_base_value = 0x80, + .max_state = 3, + }, +}; + +static const char * const ALLOWED_FW_10[] __initconst = { + "1582EMS1.107", // GF66 11UC + NULL +}; + +static struct msi_ec_conf CONF10 __initdata = { + .allowed_fw = ALLOWED_FW_10, + .charge_control = { + .address = 0xd7, + .offset_start = 0x8a, + .offset_end = 0x80, + .range_min = 0x8a, + .range_max = 0xe4, + }, + .webcam = { + .address = 0x2e, + .block_address = 0x2f, + .bit = 1, + }, + .fn_win_swap = { + .address = MSI_EC_ADDR_UNSUPP, + .bit = 4, + }, + .cooler_boost = { + .address = 0x98, + .bit = 7, + }, + .shift_mode = { + .address = 0xd2, + .modes = { + { SM_ECO_NAME, 0xc2 }, + { SM_COMFORT_NAME, 0xc1 }, + { SM_SPORT_NAME, 0xc0 }, + { SM_TURBO_NAME, 0xc4 }, + MSI_EC_MODE_NULL + }, + }, + .super_battery = { + .address = 0xe5, + .mask = 0x0f, + }, + .fan_mode = { + .address = 0xd4, + .modes = { + { FM_AUTO_NAME, 0x0d }, + { FM_SILENT_NAME, 0x1d }, + { FM_ADVANCED_NAME, 0x8d }, + MSI_EC_MODE_NULL + }, + }, + .cpu = { + .rt_temp_address = 0x68, + .rt_fan_speed_address = 0x71, // ? + .rt_fan_speed_base_min = 0x19, + .rt_fan_speed_base_max = 0x37, + .bs_fan_speed_address = MSI_EC_ADDR_UNKNOWN, // ? + .bs_fan_speed_base_min = 0x00, + .bs_fan_speed_base_max = 0x0f, + }, + .gpu = { + .rt_temp_address = 0x80, + .rt_fan_speed_address = 0x89, + }, + .leds = { + .micmute_led_address = 0x2c, + .mute_led_address = 0x2d, + .bit = 1, + }, + .kbd_bl = { + .bl_mode_address = 0x2c, + .bl_modes = { 0x00, 0x08 }, + .max_mode = 1, + .bl_state_address = 0xd3, + .state_base_value = 0x80, + .max_state = 3, + }, +}; + +static const char * const ALLOWED_FW_11[] __initconst = { + "16S6EMS1.111", // Prestige 15 a11scx + "1552EMS1.115", // Modern 15 a11m + NULL +}; + +static struct msi_ec_conf CONF11 __initdata = { + .allowed_fw = ALLOWED_FW_11, + .charge_control = { + .address = 0xd7, + .offset_start = 0x8a, + .offset_end = 0x80, + .range_min = 0x8a, + .range_max = 0xe4, + }, + .webcam = { + .address = 0x2e, + .block_address = MSI_EC_ADDR_UNKNOWN, + .bit = 1, + }, + .fn_win_swap = { + .address = 0xe8, + .bit = 4, + }, + .cooler_boost = { + .address = 0x98, + .bit = 7, + }, + .shift_mode = { + .address = 0xd2, + .modes = { + { SM_ECO_NAME, 0xc2 }, + { SM_COMFORT_NAME, 0xc1 }, + { SM_SPORT_NAME, 0xc0 }, + MSI_EC_MODE_NULL + }, + }, + .super_battery = { + .address = 0xeb, + .mask = 0x0f, + }, + .fan_mode = { + .address = 0xd4, + .modes = { + { FM_AUTO_NAME, 0x0d }, + { FM_SILENT_NAME, 0x1d }, + { FM_ADVANCED_NAME, 0x4d }, + MSI_EC_MODE_NULL + }, + }, + .cpu = { + .rt_temp_address = 0x68, + .rt_fan_speed_address = MSI_EC_ADDR_UNSUPP, + .bs_fan_speed_address = MSI_EC_ADDR_UNSUPP, + }, + .gpu = { + .rt_temp_address = MSI_EC_ADDR_UNSUPP, + .rt_fan_speed_address = MSI_EC_ADDR_UNSUPP, + }, + .leds = { + .micmute_led_address = 0x2c, + .mute_led_address = 0x2d, + .bit = 1, + }, + .kbd_bl = { + .bl_mode_address = MSI_EC_ADDR_UNKNOWN, + .bl_modes = {}, // ? + .max_mode = 1, // ? + .bl_state_address = 0xd3, + .state_base_value = 0x80, + .max_state = 3, + }, +}; + +static const char * const ALLOWED_FW_12[] __initconst = { + "16R6EMS1.104", // GF63 Thin 11UC + NULL +}; + +static struct msi_ec_conf CONF12 __initdata = { + .allowed_fw = ALLOWED_FW_12, + .charge_control = { + .address = 0xd7, + .offset_start = 0x8a, + .offset_end = 0x80, + .range_min = 0x8a, + .range_max = 0xe4, + }, + .webcam = { + .address = 0x2e, + .block_address = 0x2f, + .bit = 1, + }, + .fn_win_swap = { + .address = 0xe8, + .bit = 4, + }, + .cooler_boost = { + .address = 0x98, + .bit = 7, + }, + .shift_mode = { + .address = 0xd2, + .modes = { + { SM_ECO_NAME, 0xc2 }, + { SM_COMFORT_NAME, 0xc1 }, + { SM_SPORT_NAME, 0xc0 }, + { SM_TURBO_NAME, 0xc4 }, + MSI_EC_MODE_NULL + }, + }, + .super_battery = { + .address = MSI_EC_ADDR_UNSUPP, // 0xeb + .mask = 0x0f, // 00, 0f + }, + .fan_mode = { + .address = 0xd4, + .modes = { + { FM_AUTO_NAME, 0x0d }, + { FM_SILENT_NAME, 0x1d }, + { FM_ADVANCED_NAME, 0x8d }, + MSI_EC_MODE_NULL + }, + }, + .cpu = { + .rt_temp_address = 0x68, + .rt_fan_speed_address = 0x71, + .rt_fan_speed_base_min = 0x19, + .rt_fan_speed_base_max = 0x37, + .bs_fan_speed_address = MSI_EC_ADDR_UNSUPP, + .bs_fan_speed_base_min = 0x00, + .bs_fan_speed_base_max = 0x0f, + }, + .gpu = { + .rt_temp_address = MSI_EC_ADDR_UNSUPP, + .rt_fan_speed_address = 0x89, + }, + .leds = { + .micmute_led_address = MSI_EC_ADDR_UNSUPP, + .mute_led_address = 0x2d, + .bit = 1, + }, + .kbd_bl = { + .bl_mode_address = MSI_EC_ADDR_UNKNOWN, + .bl_modes = { 0x00, 0x08 }, + .max_mode = 1, + .bl_state_address = 0xd3, + .state_base_value = 0x80, + .max_state = 3, + }, +}; + +static const char * const ALLOWED_FW_13[] __initconst = { + "1594EMS1.109", // MSI Prestige 16 Studio A13VE + NULL +}; + +static struct msi_ec_conf CONF13 __initdata = { + .allowed_fw = ALLOWED_FW_13, + .charge_control = { + .address = 0xd7, + .offset_start = 0x8a, + .offset_end = 0x80, + .range_min = 0x8a, + .range_max = 0xe4, + }, + .webcam = { + .address = 0x2e, + .block_address = 0x2f, + .bit = 1, + }, + .fn_win_swap = { + .address = 0xe8, + .bit = 4, // 0x00-0x10 + }, + .cooler_boost = { + .address = 0x98, + .bit = 7, + }, + .shift_mode = { + .address = 0xd2, + .modes = { + { SM_ECO_NAME, 0xc2 }, // super battery + { SM_COMFORT_NAME, 0xc1 }, // balanced + { SM_TURBO_NAME, 0xc4 }, // extreme + MSI_EC_MODE_NULL + }, + }, + .super_battery = { + .address = MSI_EC_ADDR_UNSUPP, + .mask = 0x0f, // 00, 0f + }, + .fan_mode = { + .address = 0xd4, + .modes = { + { FM_AUTO_NAME, 0x0d }, + { FM_SILENT_NAME, 0x1d }, + { FM_ADVANCED_NAME, 0x8d }, + MSI_EC_MODE_NULL + }, + }, + .cpu = { + .rt_temp_address = 0x68, + .rt_fan_speed_address = 0x71, // 0x0-0x96 + .rt_fan_speed_base_min = 0x00, + .rt_fan_speed_base_max = 0x96, + .bs_fan_speed_address = MSI_EC_ADDR_UNSUPP, + .bs_fan_speed_base_min = 0x00, + .bs_fan_speed_base_max = 0x0f, + }, + .gpu = { + .rt_temp_address = 0x80, + .rt_fan_speed_address = 0x89, + }, + .leds = { + .micmute_led_address = 0x2c, + .mute_led_address = 0x2d, + .bit = 1, + }, + .kbd_bl = { + .bl_mode_address = 0x2c, // KB auto turn off + .bl_modes = { 0x00, 0x08 }, // always on; off after 10 sec + .max_mode = 1, + .bl_state_address = 0xd3, + .state_base_value = 0x80, + .max_state = 3, + }, +}; + static struct msi_ec_conf *CONFIGS[] __initdata = { &CONF0, &CONF1, @@ -676,6 +1137,12 @@ static struct msi_ec_conf *CONFIGS[] __initdata = { &CONF5, &CONF6, &CONF7, + &CONF8, + &CONF9, + &CONF10, + &CONF11, + &CONF12, + &CONF13, NULL }; diff --git a/drivers/platform/x86/msi-ec.h b/drivers/platform/x86/msi-ec.h index be3533dc9cc6..086351217505 100644 --- a/drivers/platform/x86/msi-ec.h +++ b/drivers/platform/x86/msi-ec.h @@ -40,7 +40,7 @@ struct msi_ec_webcam_conf { int bit; }; -struct msi_ec_fn_super_swap_conf { +struct msi_ec_fn_win_swap_conf { int address; int bit; }; @@ -108,7 +108,7 @@ struct msi_ec_conf { struct msi_ec_charge_control_conf charge_control; struct msi_ec_webcam_conf webcam; - struct msi_ec_fn_super_swap_conf fn_super_swap; + struct msi_ec_fn_win_swap_conf fn_win_swap; struct msi_ec_cooler_boost_conf cooler_boost; struct msi_ec_shift_mode_conf shift_mode; struct msi_ec_super_battery_conf super_battery; diff --git a/drivers/platform/x86/sel3350-platform.c b/drivers/platform/x86/sel3350-platform.c index fa267d0d3778..d09e976e7148 100644 --- a/drivers/platform/x86/sel3350-platform.c +++ b/drivers/platform/x86/sel3350-platform.c @@ -218,15 +218,13 @@ err_platform: return rs; } -static int sel3350_remove(struct platform_device *pdev) +static void sel3350_remove(struct platform_device *pdev) { struct sel3350_data *sel3350 = platform_get_drvdata(pdev); platform_device_unregister(sel3350->leds_pdev); gpiod_remove_lookup_table(&sel3350_gpios_table); gpiod_remove_lookup_table(&sel3350_leds_table); - - return 0; } static const struct acpi_device_id sel3350_device_ids[] = { @@ -237,7 +235,7 @@ MODULE_DEVICE_TABLE(acpi, sel3350_device_ids); static struct platform_driver sel3350_platform_driver = { .probe = sel3350_probe, - .remove = sel3350_remove, + .remove_new = sel3350_remove, .driver = { .name = "sel3350-platform", .acpi_match_table = sel3350_device_ids, diff --git a/drivers/platform/x86/siemens/simatic-ipc-batt-apollolake.c b/drivers/platform/x86/siemens/simatic-ipc-batt-apollolake.c index 8a67979d8f96..31a139d87d9a 100644 --- a/drivers/platform/x86/siemens/simatic-ipc-batt-apollolake.c +++ b/drivers/platform/x86/siemens/simatic-ipc-batt-apollolake.c @@ -25,9 +25,9 @@ static struct gpiod_lookup_table simatic_ipc_batt_gpio_table_127e = { }, }; -static int simatic_ipc_batt_apollolake_remove(struct platform_device *pdev) +static void simatic_ipc_batt_apollolake_remove(struct platform_device *pdev) { - return simatic_ipc_batt_remove(pdev, &simatic_ipc_batt_gpio_table_127e); + simatic_ipc_batt_remove(pdev, &simatic_ipc_batt_gpio_table_127e); } static int simatic_ipc_batt_apollolake_probe(struct platform_device *pdev) @@ -37,7 +37,7 @@ static int simatic_ipc_batt_apollolake_probe(struct platform_device *pdev) static struct platform_driver simatic_ipc_batt_driver = { .probe = simatic_ipc_batt_apollolake_probe, - .remove = simatic_ipc_batt_apollolake_remove, + .remove_new = simatic_ipc_batt_apollolake_remove, .driver = { .name = KBUILD_MODNAME, }, diff --git a/drivers/platform/x86/siemens/simatic-ipc-batt-elkhartlake.c b/drivers/platform/x86/siemens/simatic-ipc-batt-elkhartlake.c index 607d033911a2..a7676f224075 100644 --- a/drivers/platform/x86/siemens/simatic-ipc-batt-elkhartlake.c +++ b/drivers/platform/x86/siemens/simatic-ipc-batt-elkhartlake.c @@ -25,9 +25,9 @@ static struct gpiod_lookup_table simatic_ipc_batt_gpio_table_bx_21a = { }, }; -static int simatic_ipc_batt_elkhartlake_remove(struct platform_device *pdev) +static void simatic_ipc_batt_elkhartlake_remove(struct platform_device *pdev) { - return simatic_ipc_batt_remove(pdev, &simatic_ipc_batt_gpio_table_bx_21a); + simatic_ipc_batt_remove(pdev, &simatic_ipc_batt_gpio_table_bx_21a); } static int simatic_ipc_batt_elkhartlake_probe(struct platform_device *pdev) @@ -37,7 +37,7 @@ static int simatic_ipc_batt_elkhartlake_probe(struct platform_device *pdev) static struct platform_driver simatic_ipc_batt_driver = { .probe = simatic_ipc_batt_elkhartlake_probe, - .remove = simatic_ipc_batt_elkhartlake_remove, + .remove_new = simatic_ipc_batt_elkhartlake_remove, .driver = { .name = KBUILD_MODNAME, }, diff --git a/drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c b/drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c index a66107e0fe1e..5e77e05fdb5d 100644 --- a/drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c +++ b/drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c @@ -45,9 +45,9 @@ static struct gpiod_lookup_table simatic_ipc_batt_gpio_table_bx_59a = { } }; -static int simatic_ipc_batt_f7188x_remove(struct platform_device *pdev) +static void simatic_ipc_batt_f7188x_remove(struct platform_device *pdev) { - return simatic_ipc_batt_remove(pdev, batt_lookup_table); + simatic_ipc_batt_remove(pdev, batt_lookup_table); } static int simatic_ipc_batt_f7188x_probe(struct platform_device *pdev) @@ -73,7 +73,7 @@ static int simatic_ipc_batt_f7188x_probe(struct platform_device *pdev) static struct platform_driver simatic_ipc_batt_driver = { .probe = simatic_ipc_batt_f7188x_probe, - .remove = simatic_ipc_batt_f7188x_remove, + .remove_new = simatic_ipc_batt_f7188x_remove, .driver = { .name = KBUILD_MODNAME, }, diff --git a/drivers/platform/x86/siemens/simatic-ipc-batt.c b/drivers/platform/x86/siemens/simatic-ipc-batt.c index ef28c806b383..c6dd263b4ee3 100644 --- a/drivers/platform/x86/siemens/simatic-ipc-batt.c +++ b/drivers/platform/x86/siemens/simatic-ipc-batt.c @@ -146,10 +146,9 @@ static const struct hwmon_chip_info simatic_ipc_batt_chip_info = { .info = simatic_ipc_batt_info, }; -int simatic_ipc_batt_remove(struct platform_device *pdev, struct gpiod_lookup_table *table) +void simatic_ipc_batt_remove(struct platform_device *pdev, struct gpiod_lookup_table *table) { gpiod_remove_lookup_table(table); - return 0; } EXPORT_SYMBOL_GPL(simatic_ipc_batt_remove); @@ -228,9 +227,9 @@ out: } EXPORT_SYMBOL_GPL(simatic_ipc_batt_probe); -static int simatic_ipc_batt_io_remove(struct platform_device *pdev) +static void simatic_ipc_batt_io_remove(struct platform_device *pdev) { - return simatic_ipc_batt_remove(pdev, NULL); + simatic_ipc_batt_remove(pdev, NULL); } static int simatic_ipc_batt_io_probe(struct platform_device *pdev) @@ -240,7 +239,7 @@ static int simatic_ipc_batt_io_probe(struct platform_device *pdev) static struct platform_driver simatic_ipc_batt_driver = { .probe = simatic_ipc_batt_io_probe, - .remove = simatic_ipc_batt_io_remove, + .remove_new = simatic_ipc_batt_io_remove, .driver = { .name = KBUILD_MODNAME, }, diff --git a/drivers/platform/x86/siemens/simatic-ipc-batt.h b/drivers/platform/x86/siemens/simatic-ipc-batt.h index 4545cd3e3026..89891db26a2c 100644 --- a/drivers/platform/x86/siemens/simatic-ipc-batt.h +++ b/drivers/platform/x86/siemens/simatic-ipc-batt.h @@ -14,7 +14,7 @@ int simatic_ipc_batt_probe(struct platform_device *pdev, struct gpiod_lookup_table *table); -int simatic_ipc_batt_remove(struct platform_device *pdev, - struct gpiod_lookup_table *table); +void simatic_ipc_batt_remove(struct platform_device *pdev, + struct gpiod_lookup_table *table); #endif /* _SIMATIC_IPC_BATT_H */ diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c index aee869769843..3a396b763c49 100644 --- a/drivers/platform/x86/think-lmi.c +++ b/drivers/platform/x86/think-lmi.c @@ -15,7 +15,7 @@ #include <linux/errno.h> #include <linux/fs.h> #include <linux/mutex.h> -#include <linux/string.h> +#include <linux/string_helpers.h> #include <linux/types.h> #include <linux/dmi.h> #include <linux/wmi.h> @@ -198,14 +198,6 @@ static struct think_lmi tlmi_priv; static struct class *fw_attr_class; static DEFINE_MUTEX(tlmi_mutex); -/* ------ Utility functions ------------*/ -/* Strip out CR if one is present */ -static void strip_cr(char *str) -{ - char *p = strchrnul(str, '\n'); - *p = '\0'; -} - /* Convert BIOS WMI error string to suitable error code */ static int tlmi_errstr_to_err(const char *errstr) { @@ -411,7 +403,7 @@ static ssize_t current_password_store(struct kobject *kobj, strscpy(setting->password, buf, setting->maxlen); /* Strip out CR if one is present, setting password won't work if it is present */ - strip_cr(setting->password); + strreplace(setting->password, '\n', '\0'); return count; } @@ -432,13 +424,11 @@ static ssize_t new_password_store(struct kobject *kobj, if (!tlmi_priv.can_set_bios_password) return -EOPNOTSUPP; - new_pwd = kstrdup(buf, GFP_KERNEL); + /* Strip out CR if one is present, setting password won't work if it is present */ + new_pwd = kstrdup_and_replace(buf, '\n', '\0', GFP_KERNEL); if (!new_pwd) return -ENOMEM; - /* Strip out CR if one is present, setting password won't work if it is present */ - strip_cr(new_pwd); - /* Use lock in case multiple WMI operations needed */ mutex_lock(&tlmi_mutex); @@ -709,13 +699,11 @@ static ssize_t cert_to_password_store(struct kobject *kobj, if (!setting->signature || !setting->signature[0]) return -EACCES; - passwd = kstrdup(buf, GFP_KERNEL); + /* Strip out CR if one is present */ + passwd = kstrdup_and_replace(buf, '\n', '\0', GFP_KERNEL); if (!passwd) return -ENOMEM; - /* Strip out CR if one is present */ - strip_cr(passwd); - /* Format: 'Password,Signature' */ auth_str = kasprintf(GFP_KERNEL, "%s,%s", passwd, setting->signature); if (!auth_str) { @@ -765,11 +753,10 @@ static ssize_t certificate_store(struct kobject *kobj, return ret ?: count; } - new_cert = kstrdup(buf, GFP_KERNEL); + /* Strip out CR if one is present */ + new_cert = kstrdup_and_replace(buf, '\n', '\0', GFP_KERNEL); if (!new_cert) return -ENOMEM; - /* Strip out CR if one is present */ - strip_cr(new_cert); if (setting->cert_installed) { /* Certificate is installed so this is an update */ @@ -817,13 +804,11 @@ static ssize_t signature_store(struct kobject *kobj, if (!tlmi_priv.certificate_support) return -EOPNOTSUPP; - new_signature = kstrdup(buf, GFP_KERNEL); + /* Strip out CR if one is present */ + new_signature = kstrdup_and_replace(buf, '\n', '\0', GFP_KERNEL); if (!new_signature) return -ENOMEM; - /* Strip out CR if one is present */ - strip_cr(new_signature); - /* Free any previous signature */ kfree(setting->signature); setting->signature = new_signature; @@ -846,13 +831,11 @@ static ssize_t save_signature_store(struct kobject *kobj, if (!tlmi_priv.certificate_support) return -EOPNOTSUPP; - new_signature = kstrdup(buf, GFP_KERNEL); + /* Strip out CR if one is present */ + new_signature = kstrdup_and_replace(buf, '\n', '\0', GFP_KERNEL); if (!new_signature) return -ENOMEM; - /* Strip out CR if one is present */ - strip_cr(new_signature); - /* Free any previous signature */ kfree(setting->save_signature); setting->save_signature = new_signature; @@ -930,7 +913,7 @@ static ssize_t display_name_show(struct kobject *kobj, struct kobj_attribute *at static ssize_t current_value_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { struct tlmi_attr_setting *setting = to_tlmi_attr_setting(kobj); - char *item, *value, *p; + char *item, *value; int ret; ret = tlmi_setting(setting->index, &item, LENOVO_BIOS_SETTING_GUID); @@ -943,8 +926,7 @@ static ssize_t current_value_show(struct kobject *kobj, struct kobj_attribute *a ret = -EINVAL; else { /* On Workstations remove the Options part after the value */ - p = strchrnul(value, ';'); - *p = '\0'; + strreplace(value, ';', '\0'); ret = sysfs_emit(buf, "%s\n", value + 1); } kfree(item); @@ -985,12 +967,17 @@ static ssize_t current_value_store(struct kobject *kobj, if (!tlmi_priv.can_set_bios_settings) return -EOPNOTSUPP; - new_setting = kstrdup(buf, GFP_KERNEL); - if (!new_setting) - return -ENOMEM; + /* + * If we are using bulk saves a reboot should be done once save has + * been called + */ + if (tlmi_priv.save_mode == TLMI_SAVE_BULK && tlmi_priv.reboot_required) + return -EPERM; /* Strip out CR if one is present */ - strip_cr(new_setting); + new_setting = kstrdup_and_replace(buf, '\n', '\0', GFP_KERNEL); + if (!new_setting) + return -ENOMEM; /* Use lock in case multiple WMI operations needed */ mutex_lock(&tlmi_mutex); @@ -1011,10 +998,11 @@ static ssize_t current_value_store(struct kobject *kobj, ret = tlmi_simple_call(LENOVO_SET_BIOS_SETTING_CERT_GUID, set_str); if (ret) goto out; - ret = tlmi_simple_call(LENOVO_SAVE_BIOS_SETTING_CERT_GUID, - tlmi_priv.pwd_admin->save_signature); - if (ret) - goto out; + if (tlmi_priv.save_mode == TLMI_SAVE_BULK) + tlmi_priv.save_required = true; + else + ret = tlmi_simple_call(LENOVO_SAVE_BIOS_SETTING_CERT_GUID, + tlmi_priv.pwd_admin->save_signature); } else if (tlmi_priv.opcode_support) { /* * If opcode support is present use that interface. @@ -1033,14 +1021,17 @@ static ssize_t current_value_store(struct kobject *kobj, if (ret) goto out; - if (tlmi_priv.pwd_admin->valid && tlmi_priv.pwd_admin->password[0]) { - ret = tlmi_opcode_setting("WmiOpcodePasswordAdmin", - tlmi_priv.pwd_admin->password); - if (ret) - goto out; + if (tlmi_priv.save_mode == TLMI_SAVE_BULK) { + tlmi_priv.save_required = true; + } else { + if (tlmi_priv.pwd_admin->valid && tlmi_priv.pwd_admin->password[0]) { + ret = tlmi_opcode_setting("WmiOpcodePasswordAdmin", + tlmi_priv.pwd_admin->password); + if (ret) + goto out; + } + ret = tlmi_save_bios_settings(""); } - - ret = tlmi_save_bios_settings(""); } else { /* old non-opcode based authentication method (deprecated) */ if (tlmi_priv.pwd_admin->valid && tlmi_priv.pwd_admin->password[0]) { auth_str = kasprintf(GFP_KERNEL, "%s,%s,%s;", @@ -1068,10 +1059,14 @@ static ssize_t current_value_store(struct kobject *kobj, if (ret) goto out; - if (auth_str) - ret = tlmi_save_bios_settings(auth_str); - else - ret = tlmi_save_bios_settings(""); + if (tlmi_priv.save_mode == TLMI_SAVE_BULK) { + tlmi_priv.save_required = true; + } else { + if (auth_str) + ret = tlmi_save_bios_settings(auth_str); + else + ret = tlmi_save_bios_settings(""); + } } if (!ret && !tlmi_priv.pending_changes) { tlmi_priv.pending_changes = true; @@ -1152,6 +1147,107 @@ static ssize_t pending_reboot_show(struct kobject *kobj, struct kobj_attribute * static struct kobj_attribute pending_reboot = __ATTR_RO(pending_reboot); +static const char * const save_mode_strings[] = { + [TLMI_SAVE_SINGLE] = "single", + [TLMI_SAVE_BULK] = "bulk", + [TLMI_SAVE_SAVE] = "save" +}; + +static ssize_t save_settings_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) +{ + /* Check that setting is valid */ + if (WARN_ON(tlmi_priv.save_mode < TLMI_SAVE_SINGLE || + tlmi_priv.save_mode > TLMI_SAVE_BULK)) + return -EIO; + return sysfs_emit(buf, "%s\n", save_mode_strings[tlmi_priv.save_mode]); +} + +static ssize_t save_settings_store(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count) +{ + char *auth_str = NULL; + int ret = 0; + int cmd; + + cmd = sysfs_match_string(save_mode_strings, buf); + if (cmd < 0) + return cmd; + + /* Use lock in case multiple WMI operations needed */ + mutex_lock(&tlmi_mutex); + + switch (cmd) { + case TLMI_SAVE_SINGLE: + case TLMI_SAVE_BULK: + tlmi_priv.save_mode = cmd; + goto out; + case TLMI_SAVE_SAVE: + /* Check if supported*/ + if (!tlmi_priv.can_set_bios_settings || + tlmi_priv.save_mode == TLMI_SAVE_SINGLE) { + ret = -EOPNOTSUPP; + goto out; + } + /* Check there is actually something to save */ + if (!tlmi_priv.save_required) { + ret = -ENOENT; + goto out; + } + /* Check if certificate authentication is enabled and active */ + if (tlmi_priv.certificate_support && tlmi_priv.pwd_admin->cert_installed) { + if (!tlmi_priv.pwd_admin->signature || + !tlmi_priv.pwd_admin->save_signature) { + ret = -EINVAL; + goto out; + } + ret = tlmi_simple_call(LENOVO_SAVE_BIOS_SETTING_CERT_GUID, + tlmi_priv.pwd_admin->save_signature); + if (ret) + goto out; + } else if (tlmi_priv.opcode_support) { + if (tlmi_priv.pwd_admin->valid && tlmi_priv.pwd_admin->password[0]) { + ret = tlmi_opcode_setting("WmiOpcodePasswordAdmin", + tlmi_priv.pwd_admin->password); + if (ret) + goto out; + } + ret = tlmi_save_bios_settings(""); + } else { /* old non-opcode based authentication method (deprecated) */ + if (tlmi_priv.pwd_admin->valid && tlmi_priv.pwd_admin->password[0]) { + auth_str = kasprintf(GFP_KERNEL, "%s,%s,%s;", + tlmi_priv.pwd_admin->password, + encoding_options[tlmi_priv.pwd_admin->encoding], + tlmi_priv.pwd_admin->kbdlang); + if (!auth_str) { + ret = -ENOMEM; + goto out; + } + } + + if (auth_str) + ret = tlmi_save_bios_settings(auth_str); + else + ret = tlmi_save_bios_settings(""); + } + tlmi_priv.save_required = false; + tlmi_priv.reboot_required = true; + + if (!ret && !tlmi_priv.pending_changes) { + tlmi_priv.pending_changes = true; + /* let userland know it may need to check reboot pending again */ + kobject_uevent(&tlmi_priv.class_dev->kobj, KOBJ_CHANGE); + } + break; + } +out: + mutex_unlock(&tlmi_mutex); + kfree(auth_str); + return ret ?: count; +} + +static struct kobj_attribute save_settings = __ATTR_RW(save_settings); + /* ---- Debug interface--------------------------------------------------------- */ static ssize_t debug_cmd_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) @@ -1163,13 +1259,11 @@ static ssize_t debug_cmd_store(struct kobject *kobj, struct kobj_attribute *attr if (!tlmi_priv.can_debug_cmd) return -EOPNOTSUPP; - new_setting = kstrdup(buf, GFP_KERNEL); + /* Strip out CR if one is present */ + new_setting = kstrdup_and_replace(buf, '\n', '\0', GFP_KERNEL); if (!new_setting) return -ENOMEM; - /* Strip out CR if one is present */ - strip_cr(new_setting); - if (tlmi_priv.pwd_admin->valid && tlmi_priv.pwd_admin->password[0]) { auth_str = kasprintf(GFP_KERNEL, "%s,%s,%s;", tlmi_priv.pwd_admin->password, @@ -1221,6 +1315,8 @@ static void tlmi_release_attr(void) } } sysfs_remove_file(&tlmi_priv.attribute_kset->kobj, &pending_reboot.attr); + sysfs_remove_file(&tlmi_priv.attribute_kset->kobj, &save_settings.attr); + if (tlmi_priv.can_debug_cmd && debug_support) sysfs_remove_file(&tlmi_priv.attribute_kset->kobj, &debug_cmd.attr); @@ -1318,6 +1414,10 @@ static int tlmi_sysfs_init(void) if (ret) goto fail_create_attr; + ret = sysfs_create_file(&tlmi_priv.attribute_kset->kobj, &save_settings.attr); + if (ret) + goto fail_create_attr; + if (tlmi_priv.can_debug_cmd && debug_support) { ret = sysfs_create_file(&tlmi_priv.attribute_kset->kobj, &debug_cmd.attr); if (ret) @@ -1447,7 +1547,6 @@ static int tlmi_analyze(void) for (i = 0; i < TLMI_SETTINGS_COUNT; ++i) { struct tlmi_attr_setting *setting; char *item = NULL; - char *p; tlmi_priv.setting[i] = NULL; ret = tlmi_setting(i, &item, LENOVO_BIOS_SETTING_GUID); @@ -1464,8 +1563,7 @@ static int tlmi_analyze(void) strreplace(item, '/', '\\'); /* Remove the value part */ - p = strchrnul(item, ','); - *p = '\0'; + strreplace(item, ',', '\0'); /* Create a setting entry */ setting = kzalloc(sizeof(*setting), GFP_KERNEL); diff --git a/drivers/platform/x86/think-lmi.h b/drivers/platform/x86/think-lmi.h index 4daba6151cd6..e1975ffebeb4 100644 --- a/drivers/platform/x86/think-lmi.h +++ b/drivers/platform/x86/think-lmi.h @@ -27,6 +27,19 @@ enum level_option { TLMI_LEVEL_MASTER, }; +/* + * There are a limit on the number of WMI operations you can do if you use + * the default implementation of saving on every set. This is due to a + * limitation in EFI variable space used. + * Have a 'bulk save' mode where you can manually trigger the save, and can + * therefore set unlimited variables - for users that need it. + */ +enum save_mode { + TLMI_SAVE_SINGLE, + TLMI_SAVE_BULK, + TLMI_SAVE_SAVE, +}; + /* password configuration details */ struct tlmi_pwdcfg_core { uint32_t password_mode; @@ -86,6 +99,9 @@ struct think_lmi { bool can_debug_cmd; bool opcode_support; bool certificate_support; + enum save_mode save_mode; + bool save_required; + bool reboot_required; struct tlmi_attr_setting *setting[TLMI_SETTINGS_COUNT]; struct device *class_dev; diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 41584427dc32..d0b5fd4137bc 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -9816,6 +9816,7 @@ static const struct tpacpi_quirk battery_quirk_table[] __initconst = { * Individual addressing is broken on models that expose the * primary battery as BAT1. */ + TPACPI_Q_LNV('8', 'F', true), /* Thinkpad X120e */ TPACPI_Q_LNV('J', '7', true), /* B5400 */ TPACPI_Q_LNV('J', 'I', true), /* Thinkpad 11e */ TPACPI_Q_LNV3('R', '0', 'B', true), /* Thinkpad 11e gen 3 */ @@ -10787,6 +10788,89 @@ static struct ibm_struct dprc_driver_data = { .name = "dprc", }; +/* + * Auxmac + * + * This auxiliary mac address is enabled in the bios through the + * MAC Address Pass-through feature. In most cases, there are three + * possibilities: Internal Mac, Second Mac, and disabled. + * + */ + +#define AUXMAC_LEN 12 +#define AUXMAC_START 9 +#define AUXMAC_STRLEN 22 +#define AUXMAC_BEGIN_MARKER 8 +#define AUXMAC_END_MARKER 21 + +static char auxmac[AUXMAC_LEN + 1]; + +static int auxmac_init(struct ibm_init_struct *iibm) +{ + acpi_status status; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *obj; + + status = acpi_evaluate_object(NULL, "\\MACA", NULL, &buffer); + + if (ACPI_FAILURE(status)) + return -ENODEV; + + obj = buffer.pointer; + + if (obj->type != ACPI_TYPE_STRING || obj->string.length != AUXMAC_STRLEN) { + pr_info("Invalid buffer for MAC address pass-through.\n"); + goto auxmacinvalid; + } + + if (obj->string.pointer[AUXMAC_BEGIN_MARKER] != '#' || + obj->string.pointer[AUXMAC_END_MARKER] != '#') { + pr_info("Invalid header for MAC address pass-through.\n"); + goto auxmacinvalid; + } + + if (strncmp(obj->string.pointer + AUXMAC_START, "XXXXXXXXXXXX", AUXMAC_LEN) != 0) + strscpy(auxmac, obj->string.pointer + AUXMAC_START, sizeof(auxmac)); + else + strscpy(auxmac, "disabled", sizeof(auxmac)); + +free: + kfree(obj); + return 0; + +auxmacinvalid: + strscpy(auxmac, "unavailable", sizeof(auxmac)); + goto free; +} + +static struct ibm_struct auxmac_data = { + .name = "auxmac", +}; + +static ssize_t auxmac_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sysfs_emit(buf, "%s\n", auxmac); +} +static DEVICE_ATTR_RO(auxmac); + +static umode_t auxmac_attr_is_visible(struct kobject *kobj, + struct attribute *attr, int n) +{ + return auxmac[0] == 0 ? 0 : attr->mode; +} + +static struct attribute *auxmac_attributes[] = { + &dev_attr_auxmac.attr, + NULL +}; + +static const struct attribute_group auxmac_attr_group = { + .is_visible = auxmac_attr_is_visible, + .attrs = auxmac_attributes, +}; + /* --------------------------------------------------------------------- */ static struct attribute *tpacpi_driver_attributes[] = { @@ -10845,6 +10929,7 @@ static const struct attribute_group *tpacpi_groups[] = { &proxsensor_attr_group, &kbdlang_attr_group, &dprc_attr_group, + &auxmac_attr_group, NULL, }; @@ -11144,6 +11229,8 @@ invalid: return '\0'; } +#define EC_FW_STRING_LEN 18 + static void find_new_ec_fwstr(const struct dmi_header *dm, void *private) { char *ec_fw_string = (char *) private; @@ -11172,7 +11259,8 @@ static void find_new_ec_fwstr(const struct dmi_header *dm, void *private) return; /* fwstr is the first 8byte string */ - strncpy(ec_fw_string, dmi_data + 0x0F, 8); + BUILD_BUG_ON(EC_FW_STRING_LEN <= 8); + memcpy(ec_fw_string, dmi_data + 0x0F, 8); } /* returns 0 - probe ok, or < 0 - probe error. @@ -11182,7 +11270,7 @@ static int __must_check __init get_thinkpad_model_data( struct thinkpad_id_data *tp) { const struct dmi_device *dev = NULL; - char ec_fw_string[18] = {0}; + char ec_fw_string[EC_FW_STRING_LEN] = {0}; char const *s; char t; @@ -11416,6 +11504,10 @@ static struct ibm_init_struct ibms_init[] __initdata = { .init = tpacpi_dprc_init, .data = &dprc_driver_data, }, + { + .init = auxmac_init, + .data = &auxmac_data, + }, }; static int __init set_ibm_param(const char *val, const struct kernel_param *kp) diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index a78ddd83cda0..5c27b4aa9690 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -109,33 +109,13 @@ static const char * const allow_duplicates[] = { NULL }; +#define dev_to_wblock(__dev) container_of_const(__dev, struct wmi_block, dev.dev) +#define dev_to_wdev(__dev) container_of_const(__dev, struct wmi_device, dev) + /* * GUID parsing functions */ -static acpi_status find_guid(const char *guid_string, struct wmi_block **out) -{ - guid_t guid_input; - struct wmi_block *wblock; - - if (!guid_string) - return AE_BAD_PARAMETER; - - if (guid_parse(guid_string, &guid_input)) - return AE_BAD_PARAMETER; - - list_for_each_entry(wblock, &wmi_block_list, list) { - if (guid_equal(&wblock->gblock.guid, &guid_input)) { - if (out) - *out = wblock; - - return AE_OK; - } - } - - return AE_NOT_FOUND; -} - static bool guid_parse_and_compare(const char *string, const guid_t *guid) { guid_t guid_input; @@ -245,6 +225,41 @@ static acpi_status get_event_data(const struct wmi_block *wblock, struct acpi_bu return acpi_evaluate_object(wblock->acpi_device->handle, "_WED", &input, out); } +static int wmidev_match_guid(struct device *dev, const void *data) +{ + struct wmi_block *wblock = dev_to_wblock(dev); + const guid_t *guid = data; + + if (guid_equal(guid, &wblock->gblock.guid)) + return 1; + + return 0; +} + +static struct bus_type wmi_bus_type; + +static struct wmi_device *wmi_find_device_by_guid(const char *guid_string) +{ + struct device *dev; + guid_t guid; + int ret; + + ret = guid_parse(guid_string, &guid); + if (ret < 0) + return ERR_PTR(ret); + + dev = bus_find_device(&wmi_bus_type, NULL, &guid, wmidev_match_guid); + if (!dev) + return ERR_PTR(-ENODEV); + + return dev_to_wdev(dev); +} + +static void wmi_device_put(struct wmi_device *wdev) +{ + put_device(&wdev->dev); +} + /* * Exported WMI functions */ @@ -279,18 +294,17 @@ EXPORT_SYMBOL_GPL(set_required_buffer_size); */ int wmi_instance_count(const char *guid_string) { - struct wmi_block *wblock; - acpi_status status; + struct wmi_device *wdev; + int ret; - status = find_guid(guid_string, &wblock); - if (ACPI_FAILURE(status)) { - if (status == AE_BAD_PARAMETER) - return -EINVAL; + wdev = wmi_find_device_by_guid(guid_string); + if (IS_ERR(wdev)) + return PTR_ERR(wdev); - return -ENODEV; - } + ret = wmidev_instance_count(wdev); + wmi_device_put(wdev); - return wmidev_instance_count(&wblock->dev); + return ret; } EXPORT_SYMBOL_GPL(wmi_instance_count); @@ -325,15 +339,18 @@ EXPORT_SYMBOL_GPL(wmidev_instance_count); acpi_status wmi_evaluate_method(const char *guid_string, u8 instance, u32 method_id, const struct acpi_buffer *in, struct acpi_buffer *out) { - struct wmi_block *wblock = NULL; + struct wmi_device *wdev; acpi_status status; - status = find_guid(guid_string, &wblock); - if (ACPI_FAILURE(status)) - return status; + wdev = wmi_find_device_by_guid(guid_string); + if (IS_ERR(wdev)) + return AE_ERROR; + + status = wmidev_evaluate_method(wdev, instance, method_id, in, out); - return wmidev_evaluate_method(&wblock->dev, instance, method_id, - in, out); + wmi_device_put(wdev); + + return status; } EXPORT_SYMBOL_GPL(wmi_evaluate_method); @@ -472,13 +489,19 @@ acpi_status wmi_query_block(const char *guid_string, u8 instance, struct acpi_buffer *out) { struct wmi_block *wblock; + struct wmi_device *wdev; acpi_status status; - status = find_guid(guid_string, &wblock); - if (ACPI_FAILURE(status)) - return status; + wdev = wmi_find_device_by_guid(guid_string); + if (IS_ERR(wdev)) + return AE_ERROR; + + wblock = container_of(wdev, struct wmi_block, dev); + status = __query_block(wblock, instance, out); - return __query_block(wblock, instance, out); + wmi_device_put(wdev); + + return status; } EXPORT_SYMBOL_GPL(wmi_query_block); @@ -516,8 +539,9 @@ EXPORT_SYMBOL_GPL(wmidev_block_query); acpi_status wmi_set_block(const char *guid_string, u8 instance, const struct acpi_buffer *in) { - struct wmi_block *wblock = NULL; + struct wmi_block *wblock; struct guid_block *block; + struct wmi_device *wdev; acpi_handle handle; struct acpi_object_list input; union acpi_object params[2]; @@ -527,19 +551,26 @@ acpi_status wmi_set_block(const char *guid_string, u8 instance, if (!in) return AE_BAD_DATA; - status = find_guid(guid_string, &wblock); - if (ACPI_FAILURE(status)) - return status; + wdev = wmi_find_device_by_guid(guid_string); + if (IS_ERR(wdev)) + return AE_ERROR; + wblock = container_of(wdev, struct wmi_block, dev); block = &wblock->gblock; handle = wblock->acpi_device->handle; - if (block->instance_count <= instance) - return AE_BAD_PARAMETER; + if (block->instance_count <= instance) { + status = AE_BAD_PARAMETER; + + goto err_wdev_put; + } /* Check GUID is a data block */ - if (block->flags & (ACPI_WMI_EVENT | ACPI_WMI_METHOD)) - return AE_ERROR; + if (block->flags & (ACPI_WMI_EVENT | ACPI_WMI_METHOD)) { + status = AE_ERROR; + + goto err_wdev_put; + } input.count = 2; input.pointer = params; @@ -551,7 +582,12 @@ acpi_status wmi_set_block(const char *guid_string, u8 instance, get_acpi_method_name(wblock, 'S', method); - return acpi_evaluate_object(handle, method, &input, NULL); + status = acpi_evaluate_object(handle, method, &input, NULL); + +err_wdev_put: + wmi_device_put(wdev); + + return status; } EXPORT_SYMBOL_GPL(wmi_set_block); @@ -742,7 +778,15 @@ EXPORT_SYMBOL_GPL(wmi_get_event_data); */ bool wmi_has_guid(const char *guid_string) { - return ACPI_SUCCESS(find_guid(guid_string, NULL)); + struct wmi_device *wdev; + + wdev = wmi_find_device_by_guid(guid_string); + if (IS_ERR(wdev)) + return false; + + wmi_device_put(wdev); + + return true; } EXPORT_SYMBOL_GPL(wmi_has_guid); @@ -756,20 +800,23 @@ EXPORT_SYMBOL_GPL(wmi_has_guid); */ char *wmi_get_acpi_device_uid(const char *guid_string) { - struct wmi_block *wblock = NULL; - acpi_status status; + struct wmi_block *wblock; + struct wmi_device *wdev; + char *uid; - status = find_guid(guid_string, &wblock); - if (ACPI_FAILURE(status)) + wdev = wmi_find_device_by_guid(guid_string); + if (IS_ERR(wdev)) return NULL; - return acpi_device_uid(wblock->acpi_device); + wblock = container_of(wdev, struct wmi_block, dev); + uid = acpi_device_uid(wblock->acpi_device); + + wmi_device_put(wdev); + + return uid; } EXPORT_SYMBOL_GPL(wmi_get_acpi_device_uid); -#define dev_to_wblock(__dev) container_of_const(__dev, struct wmi_block, dev.dev) -#define dev_to_wdev(__dev) container_of_const(__dev, struct wmi_device, dev) - static inline struct wmi_driver *drv_to_wdrv(struct device_driver *drv) { return container_of(drv, struct wmi_driver, driver); @@ -911,21 +958,13 @@ static int wmi_dev_match(struct device *dev, struct device_driver *driver) } static int wmi_char_open(struct inode *inode, struct file *filp) { - const char *driver_name = filp->f_path.dentry->d_iname; - struct wmi_block *wblock; - struct wmi_block *next; + /* + * The miscdevice already stores a pointer to itself + * inside filp->private_data + */ + struct wmi_block *wblock = container_of(filp->private_data, struct wmi_block, char_dev); - list_for_each_entry_safe(wblock, next, &wmi_block_list, list) { - if (!wblock->dev.dev.driver) - continue; - if (strcmp(driver_name, wblock->dev.dev.driver->name) == 0) { - filp->private_data = wblock; - break; - } - } - - if (!filp->private_data) - return -ENODEV; + filp->private_data = wblock; return nonseekable_open(inode, filp); } @@ -1221,17 +1260,24 @@ static int wmi_create_device(struct device *wmi_bus_dev, return 0; } -static void wmi_free_devices(struct acpi_device *device) +static int wmi_add_device(struct platform_device *pdev, struct wmi_device *wdev) { - struct wmi_block *wblock, *next; + struct device_link *link; - /* Delete devices for all the GUIDs */ - list_for_each_entry_safe(wblock, next, &wmi_block_list, list) { - if (wblock->acpi_device == device) { - list_del(&wblock->list); - device_unregister(&wblock->dev.dev); - } - } + /* + * Many aggregate WMI drivers do not use -EPROBE_DEFER when they + * are unable to find a WMI device during probe, instead they require + * all WMI devices associated with an platform device to become available + * at once. This device link thus prevents WMI drivers from probing until + * the associated platform device has finished probing (and has registered + * all discovered WMI devices). + */ + + link = device_link_add(&wdev->dev, &pdev->dev, DL_FLAG_AUTOREMOVE_SUPPLIER); + if (!link) + return -EINVAL; + + return device_add(&wdev->dev); } static bool guid_already_parsed_for_legacy(struct acpi_device *device, const guid_t *guid) @@ -1263,15 +1309,16 @@ static bool guid_already_parsed_for_legacy(struct acpi_device *device, const gui /* * Parse the _WDG method for the GUID data blocks */ -static int parse_wdg(struct device *wmi_bus_dev, struct acpi_device *device) +static int parse_wdg(struct device *wmi_bus_dev, struct platform_device *pdev) { + struct acpi_device *device = ACPI_COMPANION(&pdev->dev); struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; const struct guid_block *gblock; - struct wmi_block *wblock, *next; + struct wmi_block *wblock; union acpi_object *obj; acpi_status status; - int retval = 0; u32 i, total; + int retval; status = acpi_evaluate_object(device->handle, "_WDG", NULL, &out); if (ACPI_FAILURE(status)) @@ -1282,8 +1329,8 @@ static int parse_wdg(struct device *wmi_bus_dev, struct acpi_device *device) return -ENXIO; if (obj->type != ACPI_TYPE_BUFFER) { - retval = -ENXIO; - goto out_free_pointer; + kfree(obj); + return -ENXIO; } gblock = (const struct guid_block *)obj->buffer.pointer; @@ -1298,8 +1345,8 @@ static int parse_wdg(struct device *wmi_bus_dev, struct acpi_device *device) wblock = kzalloc(sizeof(*wblock), GFP_KERNEL); if (!wblock) { - retval = -ENOMEM; - break; + dev_err(wmi_bus_dev, "Failed to allocate %pUL\n", &gblock[i].guid); + continue; } wblock->acpi_device = device; @@ -1317,30 +1364,22 @@ static int parse_wdg(struct device *wmi_bus_dev, struct acpi_device *device) wblock->handler = wmi_notify_debug; wmi_method_enable(wblock, true); } - } - - /* - * Now that all of the devices are created, add them to the - * device tree and probe subdrivers. - */ - list_for_each_entry_safe(wblock, next, &wmi_block_list, list) { - if (wblock->acpi_device != device) - continue; - retval = device_add(&wblock->dev.dev); + retval = wmi_add_device(pdev, &wblock->dev); if (retval) { dev_err(wmi_bus_dev, "failed to register %pUL\n", &wblock->gblock.guid); if (debug_event) wmi_method_enable(wblock, false); + list_del(&wblock->list); put_device(&wblock->dev.dev); } } -out_free_pointer: - kfree(out.pointer); - return retval; + kfree(obj); + + return 0; } /* @@ -1435,16 +1474,28 @@ static void acpi_wmi_notify_handler(acpi_handle handle, u32 event, event, 0); } +static int wmi_remove_device(struct device *dev, void *data) +{ + struct wmi_block *wblock = dev_to_wblock(dev); + + list_del(&wblock->list); + device_unregister(dev); + + return 0; +} + static void acpi_wmi_remove(struct platform_device *device) { struct acpi_device *acpi_device = ACPI_COMPANION(&device->dev); + struct device *wmi_bus_device = dev_get_drvdata(&device->dev); acpi_remove_notify_handler(acpi_device->handle, ACPI_ALL_NOTIFY, acpi_wmi_notify_handler); acpi_remove_address_space_handler(acpi_device->handle, ACPI_ADR_SPACE_EC, &acpi_wmi_ec_space_handler); - wmi_free_devices(acpi_device); - device_unregister(dev_get_drvdata(&device->dev)); + + device_for_each_child_reverse(wmi_bus_device, NULL, wmi_remove_device); + device_unregister(wmi_bus_device); } static int acpi_wmi_probe(struct platform_device *device) @@ -1487,7 +1538,7 @@ static int acpi_wmi_probe(struct platform_device *device) } dev_set_drvdata(&device->dev, wmi_bus_dev); - error = parse_wdg(wmi_bus_dev, acpi_device); + error = parse_wdg(wmi_bus_dev, device); if (error) { pr_err("Failed to parse WDG method\n"); goto err_remove_busdev; diff --git a/drivers/platform/x86/x86-android-tablets/core.c b/drivers/platform/x86/x86-android-tablets/core.c index 8a1f22aaac00..b55957bde034 100644 --- a/drivers/platform/x86/x86-android-tablets/core.c +++ b/drivers/platform/x86/x86-android-tablets/core.c @@ -24,6 +24,21 @@ static struct platform_device *x86_android_tablet_device; +/* + * This helper allows getting a gpio_desc *before* the actual device consuming + * the GPIO has been instantiated. This function _must_ only be used to handle + * this special case such as e.g. : + * + * 1. Getting an IRQ from a GPIO for i2c_board_info.irq which is passed to + * i2c_client_new() to instantiate i2c_client-s; or + * 2. Calling desc_to_gpio() to get an old style GPIO number for gpio_keys + * platform_data which still uses old style GPIO numbers. + * + * Since the consuming device has not been instatiated yet a dynamic lookup + * is generated using the special x86_android_tablet dev for dev_id. + * + * For normal GPIO lookups a standard static gpiod_lookup_table _must_ be used. + */ int x86_android_tablet_get_gpiod(const char *chip, int pin, const char *con_id, bool active_low, enum gpiod_flags dflags, struct gpio_desc **desc) diff --git a/drivers/platform/x86/x86-android-tablets/lenovo.c b/drivers/platform/x86/x86-android-tablets/lenovo.c index 5c803cdb5586..c1e68211283f 100644 --- a/drivers/platform/x86/x86-android-tablets/lenovo.c +++ b/drivers/platform/x86/x86-android-tablets/lenovo.c @@ -436,7 +436,7 @@ static int __init lenovo_yoga_tab2_830_1050_init_touchscreen(void) /* Use PMIC GPIO 10 bootstrap pin to differentiate 830 vs 1050 */ ret = x86_android_tablet_get_gpiod("gpio_crystalcove", 10, "yoga_bootstrap", - false, GPIOD_IN, &gpiod); + false, GPIOD_ASIS, &gpiod); if (ret) return ret; diff --git a/drivers/platform/x86/xo15-ebook.c b/drivers/platform/x86/xo15-ebook.c index 391f7ea4431e..df2bf1c58523 100644 --- a/drivers/platform/x86/xo15-ebook.c +++ b/drivers/platform/x86/xo15-ebook.c @@ -81,9 +81,9 @@ static SIMPLE_DEV_PM_OPS(ebook_switch_pm, NULL, ebook_switch_resume); static int ebook_switch_add(struct acpi_device *device) { + const struct acpi_device_id *id; struct ebook_switch *button; struct input_dev *input; - const char *hid = acpi_device_hid(device); char *name, *class; int error; @@ -102,8 +102,9 @@ static int ebook_switch_add(struct acpi_device *device) name = acpi_device_name(device); class = acpi_device_class(device); - if (strcmp(hid, XO15_EBOOK_HID)) { - pr_err("Unsupported hid [%s]\n", hid); + id = acpi_match_acpi_device(ebook_device_ids, device); + if (!id) { + dev_err(&device->dev, "Unsupported hid\n"); error = -ENODEV; goto err_free_input; } @@ -111,7 +112,7 @@ static int ebook_switch_add(struct acpi_device *device) strcpy(name, XO15_EBOOK_DEVICE_NAME); sprintf(class, "%s/%s", XO15_EBOOK_CLASS, XO15_EBOOK_SUBCLASS); - snprintf(button->phys, sizeof(button->phys), "%s/button/input0", hid); + snprintf(button->phys, sizeof(button->phys), "%s/button/input0", id->id); input->name = name; input->phys = button->phys; |