x86/platform/uv: Remove support for UV1 platform from uv_bau (711621a0) · Commits · jan.koester / Linux

arch/x86/include/asm/uv/uv_bau.h

+7 −111

Original line number	Diff line number	Diff line
		@@ -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;
		@@ -259,89 +249,6 @@ struct uv4_bau_msg_payload {
		u32 qualifier:24;
		};

		/*
		* 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
		@@ -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

arch/x86/platform/uv/tlb_uv.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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;