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Tue, 12 Mar 2024 10:00:37 -0700 (PDT) From: Nicholas Piggin To: qemu-devel@nongnu.org Cc: Nicholas Piggin , qemu-ppc@nongnu.org, Daniel Henrique Barboza , Harsh Prateek Bora Subject: [PULL 26/38] spapr: nested: move nested part of spapr_get_pate into spapr_nested.c Date: Wed, 13 Mar 2024 02:58:37 +1000 Message-ID: <20240312165851.2240242-27-npiggin@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240312165851.2240242-1-npiggin@gmail.com> References: <20240312165851.2240242-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::42a; envelope-from=npiggin@gmail.com; helo=mail-pf1-x42a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1710263062400100001 Content-Type: text/plain; charset="utf-8" From: Harsh Prateek Bora Most of the nested code has already been moved to spapr_nested.c This logic inside spapr_get_pate is related to nested guests and better suited for spapr_nested.c, hence moving there. Reviewed-by: Nicholas Piggin Signed-off-by: Harsh Prateek Bora Signed-off-by: Nicholas Piggin --- hw/ppc/spapr.c | 28 ++------------------------- hw/ppc/spapr_nested.c | 36 +++++++++++++++++++++++++++++++++++ include/hw/ppc/spapr_nested.h | 3 ++- 3 files changed, 40 insertions(+), 27 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 7321c35174..ff429d0ffe 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1407,7 +1407,6 @@ void spapr_init_all_lpcrs(target_ulong value, target_= ulong mask) } } =20 - static bool spapr_get_pate(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu, target_ulong lpid, ppc_v3_pate_t *entry) { @@ -1420,33 +1419,10 @@ static bool spapr_get_pate(PPCVirtualHypervisor *vh= yp, PowerPCCPU *cpu, /* Copy PATE1:GR into PATE0:HR */ entry->dw0 =3D spapr->patb_entry & PATE0_HR; entry->dw1 =3D spapr->patb_entry; - + return true; } else { - uint64_t patb, pats; - - assert(lpid !=3D 0); - - patb =3D spapr->nested_ptcr & PTCR_PATB; - pats =3D spapr->nested_ptcr & PTCR_PATS; - - /* Check if partition table is properly aligned */ - if (patb & MAKE_64BIT_MASK(0, pats + 12)) { - return false; - } - - /* Calculate number of entries */ - pats =3D 1ull << (pats + 12 - 4); - if (pats <=3D lpid) { - return false; - } - - /* Grab entry */ - patb +=3D 16 * lpid; - entry->dw0 =3D ldq_phys(CPU(cpu)->as, patb); - entry->dw1 =3D ldq_phys(CPU(cpu)->as, patb + 8); + return spapr_get_pate_nested_hv(spapr, cpu, lpid, entry); } - - return true; } =20 #define HPTE(_table, _i) (void *)(((uint64_t *)(_table)) + ((_i) * 2)) diff --git a/hw/ppc/spapr_nested.c b/hw/ppc/spapr_nested.c index 8e0ee0d22f..f7888ca8bd 100644 --- a/hw/ppc/spapr_nested.c +++ b/hw/ppc/spapr_nested.c @@ -6,6 +6,7 @@ #include "hw/ppc/spapr.h" #include "hw/ppc/spapr_cpu_core.h" #include "hw/ppc/spapr_nested.h" +#include "mmu-book3s-v3.h" =20 void spapr_nested_reset(SpaprMachineState *spapr) { @@ -16,6 +17,35 @@ void spapr_nested_reset(SpaprMachineState *spapr) } =20 #ifdef CONFIG_TCG + +bool spapr_get_pate_nested_hv(SpaprMachineState *spapr, PowerPCCPU *cpu, + target_ulong lpid, ppc_v3_pate_t *entry) +{ + uint64_t patb, pats; + + assert(lpid !=3D 0); + + patb =3D spapr->nested_ptcr & PTCR_PATB; + pats =3D spapr->nested_ptcr & PTCR_PATS; + + /* Check if partition table is properly aligned */ + if (patb & MAKE_64BIT_MASK(0, pats + 12)) { + return false; + } + + /* Calculate number of entries */ + pats =3D 1ull << (pats + 12 - 4); + if (pats <=3D lpid) { + return false; + } + + /* Grab entry */ + patb +=3D 16 * lpid; + entry->dw0 =3D ldq_phys(CPU(cpu)->as, patb); + entry->dw1 =3D ldq_phys(CPU(cpu)->as, patb + 8); + return true; +} + #define PRTS_MASK 0x1f =20 static target_ulong h_set_ptbl(PowerPCCPU *cpu, @@ -413,4 +443,10 @@ void spapr_unregister_nested_hv(void) { /* DO NOTHING */ } + +bool spapr_get_pate_nested_hv(SpaprMachineState *spapr, PowerPCCPU *cpu, + target_ulong lpid, ppc_v3_pate_t *entry) +{ + return false; +} #endif diff --git a/include/hw/ppc/spapr_nested.h b/include/hw/ppc/spapr_nested.h index 09d95182b2..1df1ce14f6 100644 --- a/include/hw/ppc/spapr_nested.h +++ b/include/hw/ppc/spapr_nested.h @@ -96,5 +96,6 @@ struct nested_ppc_state { }; =20 void spapr_exit_nested(PowerPCCPU *cpu, int excp); - +bool spapr_get_pate_nested_hv(SpaprMachineState *spapr, PowerPCCPU *cpu, + target_ulong lpid, ppc_v3_pate_t *entry); #endif /* HW_SPAPR_NESTED_H */ --=20 2.42.0