The following commit has been merged into the x86/platform branch of tip: Commit-ID: 711621a098f4d62a9cdbcfc105e804fe8c22f8bb Gitweb: https://git.kernel.org/tip/711621a098f4d62a9cdbcfc105e804fe8c22f8bb Author: steve.wahl@xxxxxxx <steve.wahl@xxxxxxx> AuthorDate: Mon, 13 Jul 2020 16:29:59 -05:00 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Fri, 17 Jul 2020 16:47:45 +02:00 x86/platform/uv: Remove support for UV1 platform from uv_bau UV1 is not longer supported. Signed-off-by: Steve Wahl <steve.wahl@xxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Link: https://lkml.kernel.org/r/20200713212955.083309377@xxxxxxx --- arch/x86/include/asm/uv/uv_bau.h | 118 +----------------------------- arch/x86/platform/uv/tlb_uv.c | 4 +- 2 files changed, 9 insertions(+), 113 deletions(-) diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h index f1188bd..cd24804 100644 --- a/arch/x86/include/asm/uv/uv_bau.h +++ b/arch/x86/include/asm/uv/uv_bau.h @@ -46,10 +46,7 @@ #define UV_ACT_STATUS_SIZE 2 #define UV_DISTRIBUTION_SIZE 256 #define UV_SW_ACK_NPENDING 8 -#define UV1_NET_ENDPOINT_INTD 0x38 -#define UV2_NET_ENDPOINT_INTD 0x28 -#define UV_NET_ENDPOINT_INTD (is_uv1_hub() ? \ - UV1_NET_ENDPOINT_INTD : UV2_NET_ENDPOINT_INTD) +#define UV_NET_ENDPOINT_INTD 0x28 #define UV_PAYLOADQ_GNODE_SHIFT 49 #define UV_PTC_BASENAME "sgi_uv/ptc_statistics" #define UV_BAU_BASENAME "sgi_uv/bau_tunables" @@ -64,14 +61,9 @@ * UV2: Bit 19 selects between * (0): 10 microsecond timebase and * (1): 80 microseconds - * we're using 560us, similar to UV1: 65 units of 10us + * we're using 560us */ -#define UV1_INTD_SOFT_ACK_TIMEOUT_PERIOD (9UL) -#define UV2_INTD_SOFT_ACK_TIMEOUT_PERIOD (15UL) - -#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD (is_uv1_hub() ? \ - UV1_INTD_SOFT_ACK_TIMEOUT_PERIOD : \ - UV2_INTD_SOFT_ACK_TIMEOUT_PERIOD) +#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD (15UL) /* assuming UV3 is the same */ #define BAU_MISC_CONTROL_MULT_MASK 3 @@ -148,7 +140,6 @@ #define UV_LB_SUBNODEID 0x10 -/* these two are the same for UV1 and UV2: */ #define UV_SA_SHFT UVH_LB_BAU_MISC_CONTROL_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHFT #define UV_SA_MASK UVH_LB_BAU_MISC_CONTROL_INTD_SOFT_ACK_TIMEOUT_PERIOD_MASK /* 4 bits of software ack period */ @@ -189,8 +180,7 @@ #define BAU_DESC_QUALIFIER 0x534749 enum uv_bau_version { - UV_BAU_V1 = 1, - UV_BAU_V2, + UV_BAU_V2 = 2, UV_BAU_V3, UV_BAU_V4, }; @@ -233,12 +223,12 @@ struct bau_local_cpumask { */ /** - * struct uv1_2_3_bau_msg_payload - defines payload for INTD transactions + * struct uv2_3_bau_msg_payload - defines payload for INTD transactions * @address: Signifies a page or all TLB's of the cpu * @sending_cpu: CPU from which the message originates * @acknowledge_count: CPUs on the destination Hub that received the interrupt */ -struct uv1_2_3_bau_msg_payload { +struct uv2_3_bau_msg_payload { u64 address; u16 sending_cpu; u16 acknowledge_count; @@ -260,89 +250,6 @@ struct uv4_bau_msg_payload { }; /* - * UV1 Message header: 16 bytes (128 bits) (bytes 0x30-0x3f of descriptor) - * see table 4.2.3.0.1 in broacast_assist spec. - */ -struct uv1_bau_msg_header { - unsigned int dest_subnodeid:6; /* must be 0x10, for the LB */ - /* bits 5:0 */ - unsigned int base_dest_nasid:15; /* nasid of the first bit */ - /* bits 20:6 */ /* in uvhub map */ - unsigned int command:8; /* message type */ - /* bits 28:21 */ - /* 0x38: SN3net EndPoint Message */ - unsigned int rsvd_1:3; /* must be zero */ - /* bits 31:29 */ - /* int will align on 32 bits */ - unsigned int rsvd_2:9; /* must be zero */ - /* bits 40:32 */ - /* Suppl_A is 56-41 */ - unsigned int sequence:16; /* message sequence number */ - /* bits 56:41 */ /* becomes bytes 16-17 of msg */ - /* Address field (96:57) is - never used as an address - (these are address bits - 42:3) */ - - unsigned int rsvd_3:1; /* must be zero */ - /* bit 57 */ - /* address bits 27:4 are payload */ - /* these next 24 (58-81) bits become bytes 12-14 of msg */ - /* bits 65:58 land in byte 12 */ - unsigned int replied_to:1; /* sent as 0 by the source to - byte 12 */ - /* bit 58 */ - unsigned int msg_type:3; /* software type of the - message */ - /* bits 61:59 */ - unsigned int canceled:1; /* message canceled, resource - is to be freed*/ - /* bit 62 */ - unsigned int payload_1a:1; /* not currently used */ - /* bit 63 */ - unsigned int payload_1b:2; /* not currently used */ - /* bits 65:64 */ - - /* bits 73:66 land in byte 13 */ - unsigned int payload_1ca:6; /* not currently used */ - /* bits 71:66 */ - unsigned int payload_1c:2; /* not currently used */ - /* bits 73:72 */ - - /* bits 81:74 land in byte 14 */ - unsigned int payload_1d:6; /* not currently used */ - /* bits 79:74 */ - unsigned int payload_1e:2; /* not currently used */ - /* bits 81:80 */ - - unsigned int rsvd_4:7; /* must be zero */ - /* bits 88:82 */ - unsigned int swack_flag:1; /* software acknowledge flag */ - /* bit 89 */ - /* INTD trasactions at - destination are to wait for - software acknowledge */ - unsigned int rsvd_5:6; /* must be zero */ - /* bits 95:90 */ - unsigned int rsvd_6:5; /* must be zero */ - /* bits 100:96 */ - unsigned int int_both:1; /* if 1, interrupt both sockets - on the uvhub */ - /* bit 101*/ - unsigned int fairness:3; /* usually zero */ - /* bits 104:102 */ - unsigned int multilevel:1; /* multi-level multicast - format */ - /* bit 105 */ - /* 0 for TLB: endpoint multi-unicast messages */ - unsigned int chaining:1; /* next descriptor is part of - this activation*/ - /* bit 106 */ - unsigned int rsvd_7:21; /* must be zero */ - /* bits 127:107 */ -}; - -/* * UV2 Message header: 16 bytes (128 bits) (bytes 0x30-0x3f of descriptor) * see figure 9-2 of harp_sys.pdf * assuming UV3 is the same @@ -418,25 +325,14 @@ struct bau_desc { * message template, consisting of header and payload: */ union bau_msg_header { - struct uv1_bau_msg_header uv1_hdr; struct uv2_3_bau_msg_header uv2_3_hdr; } header; union bau_payload_header { - struct uv1_2_3_bau_msg_payload uv1_2_3; + struct uv2_3_bau_msg_payload uv2_3; struct uv4_bau_msg_payload uv4; } payload; }; -/* UV1: - * -payload-- ---------header------ - * bytes 0-11 bits 41-56 bits 58-81 - * A B (2) C (3) - * - * A/B/C are moved to: - * A C B - * bytes 0-11 bytes 12-14 bytes 16-17 (byte 15 filled in by hw as vector) - * ------------payload queue----------- - */ /* UV2: * -payload-- ---------header------ * bytes 0-11 bits 70-78 bits 21-44 diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c index 395073d..62ea907 100644 --- a/arch/x86/platform/uv/tlb_uv.c +++ b/arch/x86/platform/uv/tlb_uv.c @@ -1050,8 +1050,8 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask, switch (bcp->uvhub_version) { case UV_BAU_V2: case UV_BAU_V3: - bau_desc->payload.uv1_2_3.address = address; - bau_desc->payload.uv1_2_3.sending_cpu = cpu; + bau_desc->payload.uv2_3.address = address; + bau_desc->payload.uv2_3.sending_cpu = cpu; break; case UV_BAU_V4: bau_desc->payload.uv4.address = address;
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