git: 04601ccc9581 - stable/13 - bhyve: Address signed/unsigned comparison warnings in the AHCI model
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Date: Thu, 26 Jan 2023 19:48:02 UTC
The branch stable/13 has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=04601ccc95814cb97dabae3d2cb569fe7d677e22 commit 04601ccc95814cb97dabae3d2cb569fe7d677e22 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2022-10-25 13:39:07 +0000 Commit: John Baldwin <jhb@FreeBSD.org> CommitDate: 2023-01-26 19:43:10 +0000 bhyve: Address signed/unsigned comparison warnings in the AHCI model No functional change intended. MFC after: 1 week (cherry picked from commit f0553616cf78c94e7589921d2354477b948e4876) --- usr.sbin/bhyve/pci_ahci.c | 40 ++++++++++++++++++++++++---------------- 1 file changed, 24 insertions(+), 16 deletions(-) diff --git a/usr.sbin/bhyve/pci_ahci.c b/usr.sbin/bhyve/pci_ahci.c index d4000b7a63c6..4571f4caeffb 100644 --- a/usr.sbin/bhyve/pci_ahci.c +++ b/usr.sbin/bhyve/pci_ahci.c @@ -615,8 +615,10 @@ ahci_build_iov(struct ahci_port *p, struct ahci_ioreq *aior, struct ahci_prdt_entry *prdt, uint16_t prdtl) { struct blockif_req *breq = &aior->io_req; - int i, j, skip, todo, left, extra; - uint32_t dbcsz; + uint32_t dbcsz, extra, left, skip, todo; + int i, j; + + assert(aior->len >= aior->done); /* Copy part of PRDT between 'done' and 'len' bytes into the iov. */ skip = aior->done; @@ -785,12 +787,14 @@ ahci_handle_flush(struct ahci_port *p, int slot, uint8_t *cfis) } static inline void -read_prdt(struct ahci_port *p, int slot, uint8_t *cfis, void *buf, int size) +read_prdt(struct ahci_port *p, int slot, uint8_t *cfis, void *buf, + unsigned int size) { struct ahci_cmd_hdr *hdr; struct ahci_prdt_entry *prdt; uint8_t *to; - int i, len; + unsigned int len; + int i; hdr = (struct ahci_cmd_hdr *)(p->cmd_lst + slot * AHCI_CL_SIZE); len = size; @@ -799,7 +803,7 @@ read_prdt(struct ahci_port *p, int slot, uint8_t *cfis, void *buf, int size) for (i = 0; i < hdr->prdtl && len; i++) { uint8_t *ptr; uint32_t dbcsz; - int sublen; + unsigned int sublen; dbcsz = (prdt->dbc & DBCMASK) + 1; ptr = paddr_guest2host(ahci_ctx(p->pr_sc), prdt->dba, dbcsz); @@ -898,12 +902,14 @@ next: } static inline void -write_prdt(struct ahci_port *p, int slot, uint8_t *cfis, void *buf, int size) +write_prdt(struct ahci_port *p, int slot, uint8_t *cfis, void *buf, + unsigned int size) { struct ahci_cmd_hdr *hdr; struct ahci_prdt_entry *prdt; uint8_t *from; - int i, len; + unsigned int len; + int i; hdr = (struct ahci_cmd_hdr *)(p->cmd_lst + slot * AHCI_CL_SIZE); len = size; @@ -1140,7 +1146,7 @@ atapi_inquiry(struct ahci_port *p, int slot, uint8_t *cfis) { uint8_t buf[36]; uint8_t *acmd; - int len; + unsigned int len; uint32_t tfd; acmd = cfis + 0x40; @@ -1202,7 +1208,7 @@ atapi_read_toc(struct ahci_port *p, int slot, uint8_t *cfis) { uint8_t *acmd; uint8_t format; - int len; + unsigned int len; acmd = cfis + 0x40; @@ -1211,7 +1217,8 @@ atapi_read_toc(struct ahci_port *p, int slot, uint8_t *cfis) switch (format) { case 0: { - int msf, size; + size_t size; + int msf; uint64_t sectors; uint8_t start_track, buf[20], *bp; @@ -1285,7 +1292,8 @@ atapi_read_toc(struct ahci_port *p, int slot, uint8_t *cfis) } case 2: { - int msf, size; + size_t size; + int msf; uint64_t sectors; uint8_t *bp, buf[50]; @@ -1448,7 +1456,7 @@ atapi_request_sense(struct ahci_port *p, int slot, uint8_t *cfis) { uint8_t buf[64]; uint8_t *acmd; - int len; + unsigned int len; acmd = cfis + 0x40; len = acmd[4]; @@ -1494,7 +1502,7 @@ atapi_mode_sense(struct ahci_port *p, int slot, uint8_t *cfis) uint8_t *acmd; uint32_t tfd; uint8_t pc, code; - int len; + unsigned int len; acmd = cfis + 0x40; len = be16dec(acmd + 7); @@ -1579,7 +1587,7 @@ atapi_get_event_status_notification(struct ahci_port *p, int slot, tfd = (p->sense_key << 12) | ATA_S_READY | ATA_S_ERROR; } else { uint8_t buf[8]; - int len; + unsigned int len; len = be16dec(acmd + 7); if (len > sizeof(buf)) @@ -2202,7 +2210,7 @@ pci_ahci_write(struct vmctx *ctx __unused, int vcpu __unused, if (offset < AHCI_OFFSET) pci_ahci_host_write(sc, offset, value); - else if (offset < AHCI_OFFSET + sc->ports * AHCI_STEP) + else if (offset < (uint64_t)AHCI_OFFSET + sc->ports * AHCI_STEP) pci_ahci_port_write(sc, offset, value); else WPRINTF("pci_ahci: unknown i/o write offset 0x%"PRIx64"", offset); @@ -2300,7 +2308,7 @@ pci_ahci_read(struct vmctx *ctx __unused, int vcpu __unused, offset = regoff & ~0x3; /* round down to a multiple of 4 bytes */ if (offset < AHCI_OFFSET) value = pci_ahci_host_read(sc, offset); - else if (offset < AHCI_OFFSET + sc->ports * AHCI_STEP) + else if (offset < (uint64_t)AHCI_OFFSET + sc->ports * AHCI_STEP) value = pci_ahci_port_read(sc, offset); else { value = 0;