git: 9de8b7319a70 - stable/13 - bhyve: build MCFG table by basl
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Date: Mon, 05 Dec 2022 07:42:00 UTC
The branch stable/13 has been updated by corvink: URL: https://cgit.FreeBSD.org/src/commit/?id=9de8b7319a705a950da9ef60e9d87c8b6c1355d6 commit 9de8b7319a705a950da9ef60e9d87c8b6c1355d6 Author: Corvin Köhne <corvink@FreeBSD.org> AuthorDate: 2022-04-06 09:10:41 +0000 Commit: Corvin Köhne <corvink@FreeBSD.org> CommitDate: 2022-12-05 07:39:35 +0000 bhyve: build MCFG table by basl Building the MCFG table by basl will allow it to be loaded by qemu's ACPI table loader in the future. Reviewed by: jhb, markj (older version) Approved by: manu (mentor) MFC after: 2 weeks Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D36995 (cherry picked from commit 2c2bd1553218248aab0ed9267d6b7d22cf96c1c5) --- usr.sbin/bhyve/acpi.c | 56 ++++++++++++++++++++++----------------------------- 1 file changed, 24 insertions(+), 32 deletions(-) diff --git a/usr.sbin/bhyve/acpi.c b/usr.sbin/bhyve/acpi.c index c1318b42030c..683fc0ef00e5 100644 --- a/usr.sbin/bhyve/acpi.c +++ b/usr.sbin/bhyve/acpi.c @@ -589,37 +589,6 @@ err_exit: return (errno); } -static int -basl_fwrite_mcfg(FILE *fp) -{ - EFPRINTF(fp, "/*\n"); - EFPRINTF(fp, " * bhyve MCFG template\n"); - EFPRINTF(fp, " */\n"); - EFPRINTF(fp, "[0004]\t\tSignature : \"MCFG\"\n"); - EFPRINTF(fp, "[0004]\t\tTable Length : 00000000\n"); - EFPRINTF(fp, "[0001]\t\tRevision : 01\n"); - EFPRINTF(fp, "[0001]\t\tChecksum : 00\n"); - EFPRINTF(fp, "[0006]\t\tOem ID : \"BHYVE \"\n"); - EFPRINTF(fp, "[0008]\t\tOem Table ID : \"BVMCFG \"\n"); - EFPRINTF(fp, "[0004]\t\tOem Revision : 00000001\n"); - - /* iasl will fill in the compiler ID/revision fields */ - EFPRINTF(fp, "[0004]\t\tAsl Compiler ID : \"xxxx\"\n"); - EFPRINTF(fp, "[0004]\t\tAsl Compiler Revision : 00000000\n"); - EFPRINTF(fp, "[0008]\t\tReserved : 0\n"); - EFPRINTF(fp, "\n"); - - EFPRINTF(fp, "[0008]\t\tBase Address : %016lX\n", pci_ecfg_base()); - EFPRINTF(fp, "[0002]\t\tSegment Group Number : 0000\n"); - EFPRINTF(fp, "[0001]\t\tStart Bus Number : 00\n"); - EFPRINTF(fp, "[0001]\t\tEnd Bus Number : FF\n"); - EFPRINTF(fp, "[0004]\t\tReserved : 0\n"); - EFFLUSH(fp); - return (0); -err_exit: - return (errno); -} - /* * Helper routines for writing to the DSDT from other modules. */ @@ -950,6 +919,29 @@ build_facs(struct vmctx *const ctx) return (0); } +static int +build_mcfg(struct vmctx *const ctx) +{ + ACPI_TABLE_MCFG mcfg; + ACPI_MCFG_ALLOCATION mcfg_allocation; + struct basl_table *table; + + BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MCFG, + BASL_TABLE_ALIGNMENT, MCFG_OFFSET)); + + memset(&mcfg, 0, sizeof(mcfg)); + BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MCFG, 1, 1)); + BASL_EXEC(basl_table_append_content(table, &mcfg, sizeof(mcfg))); + + memset(&mcfg_allocation, 0, sizeof(mcfg_allocation)); + mcfg_allocation.Address = htole64(pci_ecfg_base()); + mcfg_allocation.EndBusNumber = 0xFF; + BASL_EXEC(basl_table_append_bytes(table, &mcfg_allocation, + sizeof(mcfg_allocation))); + + return (0); +} + int acpi_build(struct vmctx *ctx, int ncpu) { @@ -989,7 +981,7 @@ acpi_build(struct vmctx *ctx, int ncpu) BASL_EXEC(basl_compile(ctx, basl_fwrite_madt, MADT_OFFSET)); BASL_EXEC(basl_compile(ctx, basl_fwrite_fadt, FADT_OFFSET)); BASL_EXEC(basl_compile(ctx, basl_fwrite_hpet, HPET_OFFSET)); - BASL_EXEC(basl_compile(ctx, basl_fwrite_mcfg, MCFG_OFFSET)); + BASL_EXEC(build_mcfg(ctx)); BASL_EXEC(build_facs(ctx)); BASL_EXEC(build_dsdt(ctx));